Jaegeuk Kim | 0a8165d | 2012-11-29 13:28:09 +0900 | [diff] [blame] | 1 | /* |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2 | * fs/f2fs/f2fs.h |
| 3 | * |
| 4 | * Copyright (c) 2012 Samsung Electronics Co., Ltd. |
| 5 | * http://www.samsung.com/ |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License version 2 as |
| 9 | * published by the Free Software Foundation. |
| 10 | */ |
| 11 | #ifndef _LINUX_F2FS_H |
| 12 | #define _LINUX_F2FS_H |
| 13 | |
| 14 | #include <linux/types.h> |
| 15 | #include <linux/page-flags.h> |
| 16 | #include <linux/buffer_head.h> |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 17 | #include <linux/slab.h> |
| 18 | #include <linux/crc32.h> |
| 19 | #include <linux/magic.h> |
Jaegeuk Kim | c2d715d | 2013-08-08 15:56:49 +0900 | [diff] [blame] | 20 | #include <linux/kobject.h> |
Gu Zheng | 7bd5938 | 2013-10-22 14:52:26 +0800 | [diff] [blame] | 21 | #include <linux/sched.h> |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 22 | #include <linux/writeback.h> |
Jaegeuk Kim | 462d762 | 2018-01-04 21:36:09 -0800 | [diff] [blame] | 23 | #include <linux/cred.h> |
Jaegeuk Kim | 39307a8 | 2015-09-22 13:50:47 -0700 | [diff] [blame] | 24 | #include <linux/vmalloc.h> |
Jaegeuk Kim | 740432f | 2015-08-14 11:43:56 -0700 | [diff] [blame] | 25 | #include <linux/bio.h> |
Jaegeuk Kim | d0239e1 | 2016-01-08 16:57:48 -0800 | [diff] [blame] | 26 | #include <linux/blkdev.h> |
Chao Yu | 09c3a72 | 2017-07-09 00:13:07 +0800 | [diff] [blame] | 27 | #include <linux/quotaops.h> |
Keith Mok | 43b6573 | 2016-03-02 12:04:24 -0800 | [diff] [blame] | 28 | #include <crypto/hash.h> |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 29 | |
Dave Chinner | 1617929 | 2017-10-09 12:15:34 -0700 | [diff] [blame] | 30 | #define __FS_HAS_ENCRYPTION IS_ENABLED(CONFIG_F2FS_FS_ENCRYPTION) |
| 31 | #include <linux/fscrypt.h> |
| 32 | |
Jaegeuk Kim | 5d56b67 | 2013-10-29 15:14:54 +0900 | [diff] [blame] | 33 | #ifdef CONFIG_F2FS_CHECK_FS |
Jaegeuk Kim | 9850cf4 | 2014-09-02 15:52:58 -0700 | [diff] [blame] | 34 | #define f2fs_bug_on(sbi, condition) BUG_ON(condition) |
Jaegeuk Kim | 5d56b67 | 2013-10-29 15:14:54 +0900 | [diff] [blame] | 35 | #else |
Jaegeuk Kim | 9850cf4 | 2014-09-02 15:52:58 -0700 | [diff] [blame] | 36 | #define f2fs_bug_on(sbi, condition) \ |
| 37 | do { \ |
| 38 | if (unlikely(condition)) { \ |
| 39 | WARN_ON(1); \ |
Chao Yu | caf0047 | 2015-01-28 17:48:42 +0800 | [diff] [blame] | 40 | set_sbi_flag(sbi, SBI_NEED_FSCK); \ |
Jaegeuk Kim | 9850cf4 | 2014-09-02 15:52:58 -0700 | [diff] [blame] | 41 | } \ |
| 42 | } while (0) |
Jaegeuk Kim | 5d56b67 | 2013-10-29 15:14:54 +0900 | [diff] [blame] | 43 | #endif |
| 44 | |
Jaegeuk Kim | 2c63fea | 2016-04-29 15:49:56 -0700 | [diff] [blame] | 45 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
| 46 | enum { |
| 47 | FAULT_KMALLOC, |
Chao Yu | ead5259 | 2017-11-30 19:28:18 +0800 | [diff] [blame] | 48 | FAULT_KVMALLOC, |
Jaegeuk Kim | c41f3cc3 | 2016-04-29 16:17:09 -0700 | [diff] [blame] | 49 | FAULT_PAGE_ALLOC, |
Chao Yu | 58ddec8 | 2017-10-28 16:52:30 +0800 | [diff] [blame] | 50 | FAULT_PAGE_GET, |
Chao Yu | b5db2de | 2017-10-28 16:52:31 +0800 | [diff] [blame] | 51 | FAULT_ALLOC_BIO, |
Jaegeuk Kim | cb78942 | 2016-04-29 16:29:22 -0700 | [diff] [blame] | 52 | FAULT_ALLOC_NID, |
| 53 | FAULT_ORPHAN, |
| 54 | FAULT_BLOCK, |
| 55 | FAULT_DIR_DEPTH, |
Jaegeuk Kim | 53aa6bb | 2016-05-25 15:24:18 -0700 | [diff] [blame] | 56 | FAULT_EVICT_INODE, |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 57 | FAULT_TRUNCATE, |
Chao Yu | 8b038c7 | 2016-09-18 23:30:07 +0800 | [diff] [blame] | 58 | FAULT_IO, |
Chao Yu | 0f34802 | 2016-09-26 19:45:55 +0800 | [diff] [blame] | 59 | FAULT_CHECKPOINT, |
Jaegeuk Kim | 2c63fea | 2016-04-29 15:49:56 -0700 | [diff] [blame] | 60 | FAULT_MAX, |
| 61 | }; |
| 62 | |
Sheng Yong | 0879689 | 2016-05-16 12:38:50 +0800 | [diff] [blame] | 63 | struct f2fs_fault_info { |
| 64 | atomic_t inject_ops; |
| 65 | unsigned int inject_rate; |
| 66 | unsigned int inject_type; |
| 67 | }; |
| 68 | |
Jaegeuk Kim | 2c63fea | 2016-04-29 15:49:56 -0700 | [diff] [blame] | 69 | extern char *fault_name[FAULT_MAX]; |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 70 | #define IS_FAULT_SET(fi, type) ((fi)->inject_type & (1 << (type))) |
Jaegeuk Kim | 2c63fea | 2016-04-29 15:49:56 -0700 | [diff] [blame] | 71 | #endif |
| 72 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 73 | /* |
| 74 | * For mount options |
| 75 | */ |
| 76 | #define F2FS_MOUNT_BG_GC 0x00000001 |
| 77 | #define F2FS_MOUNT_DISABLE_ROLL_FORWARD 0x00000002 |
| 78 | #define F2FS_MOUNT_DISCARD 0x00000004 |
| 79 | #define F2FS_MOUNT_NOHEAP 0x00000008 |
| 80 | #define F2FS_MOUNT_XATTR_USER 0x00000010 |
| 81 | #define F2FS_MOUNT_POSIX_ACL 0x00000020 |
| 82 | #define F2FS_MOUNT_DISABLE_EXT_IDENTIFY 0x00000040 |
Jaegeuk Kim | 444c580 | 2013-08-08 15:16:22 +0900 | [diff] [blame] | 83 | #define F2FS_MOUNT_INLINE_XATTR 0x00000080 |
Huajun Li | 1001b34 | 2013-11-10 23:13:16 +0800 | [diff] [blame] | 84 | #define F2FS_MOUNT_INLINE_DATA 0x00000100 |
Chao Yu | 34d67de | 2014-09-24 18:15:19 +0800 | [diff] [blame] | 85 | #define F2FS_MOUNT_INLINE_DENTRY 0x00000200 |
| 86 | #define F2FS_MOUNT_FLUSH_MERGE 0x00000400 |
| 87 | #define F2FS_MOUNT_NOBARRIER 0x00000800 |
Jaegeuk Kim | d5053a34 | 2014-10-30 22:47:03 -0700 | [diff] [blame] | 88 | #define F2FS_MOUNT_FASTBOOT 0x00001000 |
Chao Yu | 8967215 | 2015-02-05 17:55:51 +0800 | [diff] [blame] | 89 | #define F2FS_MOUNT_EXTENT_CACHE 0x00002000 |
Jaegeuk Kim | 6aefd93 | 2015-10-05 11:02:54 -0700 | [diff] [blame] | 90 | #define F2FS_MOUNT_FORCE_FG_GC 0x00004000 |
Chao Yu | 343f40f | 2015-12-16 13:12:16 +0800 | [diff] [blame] | 91 | #define F2FS_MOUNT_DATA_FLUSH 0x00008000 |
Jaegeuk Kim | 73faec4 | 2016-04-29 15:34:32 -0700 | [diff] [blame] | 92 | #define F2FS_MOUNT_FAULT_INJECTION 0x00010000 |
Jaegeuk Kim | 36abef4 | 2016-06-03 19:29:38 -0700 | [diff] [blame] | 93 | #define F2FS_MOUNT_ADAPTIVE 0x00020000 |
| 94 | #define F2FS_MOUNT_LFS 0x00040000 |
Chao Yu | 09c3a72 | 2017-07-09 00:13:07 +0800 | [diff] [blame] | 95 | #define F2FS_MOUNT_USRQUOTA 0x00080000 |
| 96 | #define F2FS_MOUNT_GRPQUOTA 0x00100000 |
Chao Yu | 5647b30 | 2017-07-26 00:01:41 +0800 | [diff] [blame] | 97 | #define F2FS_MOUNT_PRJQUOTA 0x00200000 |
Chao Yu | 41ad73f | 2017-08-08 10:54:31 +0800 | [diff] [blame] | 98 | #define F2FS_MOUNT_QUOTA 0x00400000 |
Chao Yu | 50ffaa9 | 2017-09-06 21:59:50 +0800 | [diff] [blame] | 99 | #define F2FS_MOUNT_INLINE_XATTR_SIZE 0x00800000 |
Jaegeuk Kim | 5fee540 | 2017-12-27 15:05:52 -0800 | [diff] [blame] | 100 | #define F2FS_MOUNT_RESERVE_ROOT 0x01000000 |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 101 | |
Chao Yu | e9a50e6 | 2018-03-08 14:22:56 +0800 | [diff] [blame] | 102 | #define F2FS_OPTION(sbi) ((sbi)->mount_opt) |
| 103 | #define clear_opt(sbi, option) (F2FS_OPTION(sbi).opt &= ~F2FS_MOUNT_##option) |
| 104 | #define set_opt(sbi, option) (F2FS_OPTION(sbi).opt |= F2FS_MOUNT_##option) |
| 105 | #define test_opt(sbi, option) (F2FS_OPTION(sbi).opt & F2FS_MOUNT_##option) |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 106 | |
| 107 | #define ver_after(a, b) (typecheck(unsigned long long, a) && \ |
| 108 | typecheck(unsigned long long, b) && \ |
| 109 | ((long long)((a) - (b)) > 0)) |
| 110 | |
Jaegeuk Kim | a9841c4 | 2013-05-24 12:41:04 +0900 | [diff] [blame] | 111 | typedef u32 block_t; /* |
| 112 | * should not change u32, since it is the on-disk block |
| 113 | * address format, __le32. |
| 114 | */ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 115 | typedef u32 nid_t; |
| 116 | |
| 117 | struct f2fs_mount_info { |
Chao Yu | e9a50e6 | 2018-03-08 14:22:56 +0800 | [diff] [blame] | 118 | unsigned int opt; |
| 119 | int write_io_size_bits; /* Write IO size bits */ |
| 120 | block_t root_reserved_blocks; /* root reserved blocks */ |
| 121 | kuid_t s_resuid; /* reserved blocks for uid */ |
| 122 | kgid_t s_resgid; /* reserved blocks for gid */ |
| 123 | int active_logs; /* # of active logs */ |
| 124 | int inline_xattr_size; /* inline xattr size */ |
| 125 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
| 126 | struct f2fs_fault_info fault_info; /* For fault injection */ |
| 127 | #endif |
| 128 | #ifdef CONFIG_QUOTA |
| 129 | /* Names of quota files with journalled quota */ |
| 130 | char *s_qf_names[MAXQUOTAS]; |
| 131 | int s_jquota_fmt; /* Format of quota to use */ |
| 132 | #endif |
| 133 | /* For which write hints are passed down to block layer */ |
| 134 | int whint_mode; |
| 135 | int alloc_mode; /* segment allocation policy */ |
| 136 | int fsync_mode; /* fsync policy */ |
Sheng Yong | aa5bcfd | 2018-03-15 18:51:42 +0800 | [diff] [blame] | 137 | bool test_dummy_encryption; /* test dummy encryption */ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 138 | }; |
| 139 | |
Chao Yu | fbcf931 | 2017-07-19 00:19:06 +0800 | [diff] [blame] | 140 | #define F2FS_FEATURE_ENCRYPT 0x0001 |
| 141 | #define F2FS_FEATURE_BLKZONED 0x0002 |
| 142 | #define F2FS_FEATURE_ATOMIC_WRITE 0x0004 |
| 143 | #define F2FS_FEATURE_EXTRA_ATTR 0x0008 |
Chao Yu | 5647b30 | 2017-07-26 00:01:41 +0800 | [diff] [blame] | 144 | #define F2FS_FEATURE_PRJQUOTA 0x0010 |
Chao Yu | 4310125 | 2017-07-31 20:19:09 +0800 | [diff] [blame] | 145 | #define F2FS_FEATURE_INODE_CHKSUM 0x0020 |
Chao Yu | 50ffaa9 | 2017-09-06 21:59:50 +0800 | [diff] [blame] | 146 | #define F2FS_FEATURE_FLEXIBLE_INLINE_XATTR 0x0040 |
Jaegeuk Kim | d4c292d | 2017-10-05 21:03:06 -0700 | [diff] [blame] | 147 | #define F2FS_FEATURE_QUOTA_INO 0x0080 |
Chao Yu | 71f8f04 | 2018-01-25 14:54:42 +0800 | [diff] [blame] | 148 | #define F2FS_FEATURE_INODE_CRTIME 0x0100 |
Sheng Yong | 9b880fe | 2018-03-15 18:51:41 +0800 | [diff] [blame] | 149 | #define F2FS_FEATURE_LOST_FOUND 0x0200 |
Eric Biggers | 29cead5 | 2018-03-28 11:15:09 -0700 | [diff] [blame] | 150 | #define F2FS_FEATURE_VERITY 0x0400 /* reserved */ |
Jaegeuk Kim | cde4de1 | 2015-04-20 13:57:51 -0700 | [diff] [blame] | 151 | |
Jaegeuk Kim | 76f105a | 2015-04-13 15:10:36 -0700 | [diff] [blame] | 152 | #define F2FS_HAS_FEATURE(sb, mask) \ |
| 153 | ((F2FS_SB(sb)->raw_super->feature & cpu_to_le32(mask)) != 0) |
| 154 | #define F2FS_SET_FEATURE(sb, mask) \ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 155 | (F2FS_SB(sb)->raw_super->feature |= cpu_to_le32(mask)) |
Jaegeuk Kim | 76f105a | 2015-04-13 15:10:36 -0700 | [diff] [blame] | 156 | #define F2FS_CLEAR_FEATURE(sb, mask) \ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 157 | (F2FS_SB(sb)->raw_super->feature &= ~cpu_to_le32(mask)) |
Jaegeuk Kim | 76f105a | 2015-04-13 15:10:36 -0700 | [diff] [blame] | 158 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 159 | /* |
Jaegeuk Kim | 462d762 | 2018-01-04 21:36:09 -0800 | [diff] [blame] | 160 | * Default values for user and/or group using reserved blocks |
| 161 | */ |
| 162 | #define F2FS_DEF_RESUID 0 |
| 163 | #define F2FS_DEF_RESGID 0 |
| 164 | |
| 165 | /* |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 166 | * For checkpoint manager |
| 167 | */ |
| 168 | enum { |
| 169 | NAT_BITMAP, |
| 170 | SIT_BITMAP |
| 171 | }; |
| 172 | |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 173 | #define CP_UMOUNT 0x00000001 |
| 174 | #define CP_FASTBOOT 0x00000002 |
| 175 | #define CP_SYNC 0x00000004 |
| 176 | #define CP_RECOVERY 0x00000008 |
| 177 | #define CP_DISCARD 0x00000010 |
| 178 | #define CP_TRIMMED 0x00000020 |
Jaegeuk Kim | 75ab4cb | 2014-09-20 21:57:51 -0700 | [diff] [blame] | 179 | |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 180 | #define DEF_BATCHED_TRIM_SECTIONS 2048 |
Jaegeuk Kim | bba681c | 2015-01-26 17:41:23 -0800 | [diff] [blame] | 181 | #define BATCHED_TRIM_SEGMENTS(sbi) \ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 182 | (GET_SEG_FROM_SEC(sbi, SM_I(sbi)->trim_sections)) |
Jaegeuk Kim | a66cdd9 | 2015-04-30 22:37:50 -0700 | [diff] [blame] | 183 | #define BATCHED_TRIM_BLOCKS(sbi) \ |
| 184 | (BATCHED_TRIM_SEGMENTS(sbi) << (sbi)->log_blocks_per_seg) |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 185 | #define MAX_DISCARD_BLOCKS(sbi) BLKS_PER_SEC(sbi) |
Chao Yu | 69a5967 | 2017-10-04 09:08:33 +0800 | [diff] [blame] | 186 | #define DEF_MAX_DISCARD_REQUEST 8 /* issue 8 discards per round */ |
Jaegeuk Kim | 8f6a2e7 | 2018-05-24 13:57:26 -0700 | [diff] [blame] | 187 | #define DEF_MAX_DISCARD_LEN 512 /* Max. 2MB per discard */ |
Chao Yu | efe24da | 2017-08-07 23:09:56 +0800 | [diff] [blame] | 188 | #define DEF_MIN_DISCARD_ISSUE_TIME 50 /* 50 ms, if exists */ |
| 189 | #define DEF_MAX_DISCARD_ISSUE_TIME 60000 /* 60 s, if no candidates */ |
Jaegeuk Kim | 4105909 | 2018-05-29 09:58:42 -0700 | [diff] [blame^] | 190 | #define DEF_DISCARD_URGENT_UTIL 80 /* do more discard over 80% */ |
Jaegeuk Kim | 60b99b4 | 2015-10-05 14:49:57 -0700 | [diff] [blame] | 191 | #define DEF_CP_INTERVAL 60 /* 60 secs */ |
Chao Yu | dcf25fe | 2016-07-15 19:25:47 +0800 | [diff] [blame] | 192 | #define DEF_IDLE_INTERVAL 5 /* 5 secs */ |
Jaegeuk Kim | bba681c | 2015-01-26 17:41:23 -0800 | [diff] [blame] | 193 | |
Jaegeuk Kim | 75ab4cb | 2014-09-20 21:57:51 -0700 | [diff] [blame] | 194 | struct cp_control { |
| 195 | int reason; |
Jaegeuk Kim | 4b2fecc | 2014-09-20 22:06:39 -0700 | [diff] [blame] | 196 | __u64 trim_start; |
| 197 | __u64 trim_end; |
| 198 | __u64 trim_minlen; |
Jaegeuk Kim | 75ab4cb | 2014-09-20 21:57:51 -0700 | [diff] [blame] | 199 | }; |
| 200 | |
Chao Yu | 662befd | 2014-02-07 16:11:53 +0800 | [diff] [blame] | 201 | /* |
Chao Yu | 81c1a0f1 | 2014-02-27 19:12:24 +0800 | [diff] [blame] | 202 | * For CP/NAT/SIT/SSA readahead |
Chao Yu | 662befd | 2014-02-07 16:11:53 +0800 | [diff] [blame] | 203 | */ |
| 204 | enum { |
| 205 | META_CP, |
| 206 | META_NAT, |
Chao Yu | 81c1a0f1 | 2014-02-27 19:12:24 +0800 | [diff] [blame] | 207 | META_SIT, |
Jaegeuk Kim | 4c521f49 | 2014-09-11 13:49:55 -0700 | [diff] [blame] | 208 | META_SSA, |
| 209 | META_POR, |
Chao Yu | 662befd | 2014-02-07 16:11:53 +0800 | [diff] [blame] | 210 | }; |
| 211 | |
Jaegeuk Kim | 6451e04 | 2014-07-25 15:47:17 -0700 | [diff] [blame] | 212 | /* for the list of ino */ |
| 213 | enum { |
| 214 | ORPHAN_INO, /* for orphan ino list */ |
Jaegeuk Kim | fff04f9 | 2014-07-25 07:40:59 -0700 | [diff] [blame] | 215 | APPEND_INO, /* for append ino list */ |
| 216 | UPDATE_INO, /* for update ino list */ |
Jaegeuk Kim | 211cb7b | 2017-12-28 08:09:44 -0800 | [diff] [blame] | 217 | TRANS_DIR_INO, /* for trasactions dir ino list */ |
Chao Yu | f014be8 | 2017-09-29 13:59:38 +0800 | [diff] [blame] | 218 | FLUSH_INO, /* for multiple device flushing */ |
Jaegeuk Kim | 6451e04 | 2014-07-25 15:47:17 -0700 | [diff] [blame] | 219 | MAX_INO_ENTRY, /* max. list */ |
| 220 | }; |
| 221 | |
| 222 | struct ino_entry { |
Chao Yu | f014be8 | 2017-09-29 13:59:38 +0800 | [diff] [blame] | 223 | struct list_head list; /* list head */ |
| 224 | nid_t ino; /* inode number */ |
| 225 | unsigned int dirty_device; /* dirty device bitmap */ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 226 | }; |
| 227 | |
Chao Yu | 2710fd7 | 2015-12-15 13:30:45 +0800 | [diff] [blame] | 228 | /* for the list of inodes to be GCed */ |
Chao Yu | 0629207 | 2014-12-29 15:56:18 +0800 | [diff] [blame] | 229 | struct inode_entry { |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 230 | struct list_head list; /* list head */ |
| 231 | struct inode *inode; /* vfs inode pointer */ |
| 232 | }; |
| 233 | |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 234 | /* for the bitmap indicate blocks to be discarded */ |
Jaegeuk Kim | 7fd9e54 | 2013-11-15 13:55:58 +0900 | [diff] [blame] | 235 | struct discard_entry { |
| 236 | struct list_head list; /* list head */ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 237 | block_t start_blkaddr; /* start blockaddr of current segment */ |
| 238 | unsigned char discard_map[SIT_VBLOCK_MAP_SIZE]; /* segment discard bitmap */ |
Jaegeuk Kim | 7fd9e54 | 2013-11-15 13:55:58 +0900 | [diff] [blame] | 239 | }; |
| 240 | |
Chao Yu | efe24da | 2017-08-07 23:09:56 +0800 | [diff] [blame] | 241 | /* default discard granularity of inner discard thread, unit: block count */ |
| 242 | #define DEFAULT_DISCARD_GRANULARITY 16 |
| 243 | |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 244 | /* max discard pend list number */ |
| 245 | #define MAX_PLIST_NUM 512 |
| 246 | #define plist_idx(blk_num) ((blk_num) >= MAX_PLIST_NUM ? \ |
| 247 | (MAX_PLIST_NUM - 1) : (blk_num - 1)) |
| 248 | |
| 249 | enum { |
| 250 | D_PREP, |
| 251 | D_SUBMIT, |
| 252 | D_DONE, |
| 253 | }; |
| 254 | |
| 255 | struct discard_info { |
| 256 | block_t lstart; /* logical start address */ |
| 257 | block_t len; /* length */ |
| 258 | block_t start; /* actual start address in dev */ |
| 259 | }; |
| 260 | |
| 261 | struct discard_cmd { |
| 262 | struct rb_node rb_node; /* rb node located in rb-tree */ |
| 263 | union { |
| 264 | struct { |
| 265 | block_t lstart; /* logical start address */ |
| 266 | block_t len; /* length */ |
| 267 | block_t start; /* actual start address in dev */ |
| 268 | }; |
| 269 | struct discard_info di; /* discard info */ |
| 270 | |
| 271 | }; |
| 272 | struct list_head list; /* command list */ |
| 273 | struct completion wait; /* compleation */ |
| 274 | struct block_device *bdev; /* bdev */ |
| 275 | unsigned short ref; /* reference count */ |
| 276 | unsigned char state; /* state */ |
| 277 | int error; /* bio error */ |
| 278 | }; |
| 279 | |
Chao Yu | daf437d | 2017-10-04 09:08:34 +0800 | [diff] [blame] | 280 | enum { |
| 281 | DPOLICY_BG, |
| 282 | DPOLICY_FORCE, |
| 283 | DPOLICY_FSTRIM, |
| 284 | DPOLICY_UMOUNT, |
| 285 | MAX_DPOLICY, |
| 286 | }; |
| 287 | |
Chao Yu | 69a5967 | 2017-10-04 09:08:33 +0800 | [diff] [blame] | 288 | struct discard_policy { |
Chao Yu | daf437d | 2017-10-04 09:08:34 +0800 | [diff] [blame] | 289 | int type; /* type of discard */ |
Chao Yu | 69a5967 | 2017-10-04 09:08:33 +0800 | [diff] [blame] | 290 | unsigned int min_interval; /* used for candidates exist */ |
| 291 | unsigned int max_interval; /* used for candidates not exist */ |
| 292 | unsigned int max_requests; /* # of discards issued per round */ |
| 293 | unsigned int io_aware_gran; /* minimum granularity discard not be aware of I/O */ |
| 294 | bool io_aware; /* issue discard in idle time */ |
| 295 | bool sync; /* submit discard with REQ_SYNC flag */ |
Chao Yu | daf437d | 2017-10-04 09:08:34 +0800 | [diff] [blame] | 296 | unsigned int granularity; /* discard granularity */ |
Chao Yu | 69a5967 | 2017-10-04 09:08:33 +0800 | [diff] [blame] | 297 | }; |
| 298 | |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 299 | struct discard_cmd_control { |
| 300 | struct task_struct *f2fs_issue_discard; /* discard thread */ |
| 301 | struct list_head entry_list; /* 4KB discard entry list */ |
| 302 | struct list_head pend_list[MAX_PLIST_NUM];/* store pending entries */ |
| 303 | struct list_head wait_list; /* store on-flushing entries */ |
Chao Yu | 28e1023 | 2017-10-04 09:08:32 +0800 | [diff] [blame] | 304 | struct list_head fstrim_list; /* in-flight discard from fstrim */ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 305 | wait_queue_head_t discard_wait_queue; /* waiting queue for wake-up */ |
Chao Yu | efe24da | 2017-08-07 23:09:56 +0800 | [diff] [blame] | 306 | unsigned int discard_wake; /* to wake up discard thread */ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 307 | struct mutex cmd_lock; |
| 308 | unsigned int nr_discards; /* # of discards in the list */ |
| 309 | unsigned int max_discards; /* max. discards to be issued */ |
Chao Yu | efe24da | 2017-08-07 23:09:56 +0800 | [diff] [blame] | 310 | unsigned int discard_granularity; /* discard granularity */ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 311 | unsigned int undiscard_blks; /* # of undiscard blocks */ |
| 312 | atomic_t issued_discard; /* # of issued discard */ |
| 313 | atomic_t issing_discard; /* # of issing discard */ |
| 314 | atomic_t discard_cmd_cnt; /* # of cached cmd count */ |
| 315 | struct rb_root root; /* root of discard rb-tree */ |
Chao Yu | 275b66b | 2016-08-29 23:58:34 +0800 | [diff] [blame] | 316 | }; |
| 317 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 318 | /* for the list of fsync inodes, used only during recovery */ |
| 319 | struct fsync_inode_entry { |
| 320 | struct list_head list; /* list head */ |
| 321 | struct inode *inode; /* vfs inode pointer */ |
Jaegeuk Kim | c52e1b1 | 2014-09-11 14:29:06 -0700 | [diff] [blame] | 322 | block_t blkaddr; /* block address locating the last fsync */ |
| 323 | block_t last_dentry; /* block address locating the last dentry */ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 324 | }; |
| 325 | |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 326 | #define nats_in_cursum(jnl) (le16_to_cpu((jnl)->n_nats)) |
| 327 | #define sits_in_cursum(jnl) (le16_to_cpu((jnl)->n_sits)) |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 328 | |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 329 | #define nat_in_journal(jnl, i) ((jnl)->nat_j.entries[i].ne) |
| 330 | #define nid_in_journal(jnl, i) ((jnl)->nat_j.entries[i].nid) |
| 331 | #define sit_in_journal(jnl, i) ((jnl)->sit_j.entries[i].se) |
| 332 | #define segno_in_journal(jnl, i) ((jnl)->sit_j.entries[i].segno) |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 333 | |
Chao Yu | dfc08a1 | 2016-02-14 18:50:40 +0800 | [diff] [blame] | 334 | #define MAX_NAT_JENTRIES(jnl) (NAT_JOURNAL_ENTRIES - nats_in_cursum(jnl)) |
| 335 | #define MAX_SIT_JENTRIES(jnl) (SIT_JOURNAL_ENTRIES - sits_in_cursum(jnl)) |
Jaegeuk Kim | 309cc2b | 2014-09-22 11:40:48 -0700 | [diff] [blame] | 336 | |
Chao Yu | dfc08a1 | 2016-02-14 18:50:40 +0800 | [diff] [blame] | 337 | static inline int update_nats_in_cursum(struct f2fs_journal *journal, int i) |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 338 | { |
Chao Yu | dfc08a1 | 2016-02-14 18:50:40 +0800 | [diff] [blame] | 339 | int before = nats_in_cursum(journal); |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 340 | |
Chao Yu | dfc08a1 | 2016-02-14 18:50:40 +0800 | [diff] [blame] | 341 | journal->n_nats = cpu_to_le16(before + i); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 342 | return before; |
| 343 | } |
| 344 | |
Chao Yu | dfc08a1 | 2016-02-14 18:50:40 +0800 | [diff] [blame] | 345 | static inline int update_sits_in_cursum(struct f2fs_journal *journal, int i) |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 346 | { |
Chao Yu | dfc08a1 | 2016-02-14 18:50:40 +0800 | [diff] [blame] | 347 | int before = sits_in_cursum(journal); |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 348 | |
Chao Yu | dfc08a1 | 2016-02-14 18:50:40 +0800 | [diff] [blame] | 349 | journal->n_sits = cpu_to_le16(before + i); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 350 | return before; |
| 351 | } |
| 352 | |
Chao Yu | dfc08a1 | 2016-02-14 18:50:40 +0800 | [diff] [blame] | 353 | static inline bool __has_cursum_space(struct f2fs_journal *journal, |
| 354 | int size, int type) |
Chao Yu | 184a5cd | 2014-09-04 18:13:01 +0800 | [diff] [blame] | 355 | { |
| 356 | if (type == NAT_JOURNAL) |
Chao Yu | dfc08a1 | 2016-02-14 18:50:40 +0800 | [diff] [blame] | 357 | return size <= MAX_NAT_JENTRIES(journal); |
| 358 | return size <= MAX_SIT_JENTRIES(journal); |
Chao Yu | 184a5cd | 2014-09-04 18:13:01 +0800 | [diff] [blame] | 359 | } |
| 360 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 361 | /* |
Namjae Jeon | e975082 | 2013-02-04 23:41:41 +0900 | [diff] [blame] | 362 | * ioctl commands |
| 363 | */ |
Jaegeuk Kim | 88b88a6 | 2014-10-06 17:39:50 -0700 | [diff] [blame] | 364 | #define F2FS_IOC_GETFLAGS FS_IOC_GETFLAGS |
| 365 | #define F2FS_IOC_SETFLAGS FS_IOC_SETFLAGS |
Chao Yu | d49f3e8 | 2015-01-23 20:36:04 +0800 | [diff] [blame] | 366 | #define F2FS_IOC_GETVERSION FS_IOC_GETVERSION |
Jaegeuk Kim | 88b88a6 | 2014-10-06 17:39:50 -0700 | [diff] [blame] | 367 | |
| 368 | #define F2FS_IOCTL_MAGIC 0xf5 |
| 369 | #define F2FS_IOC_START_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 1) |
| 370 | #define F2FS_IOC_COMMIT_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 2) |
Jaegeuk Kim | 02a1335 | 2014-10-06 16:11:16 -0700 | [diff] [blame] | 371 | #define F2FS_IOC_START_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 3) |
Jaegeuk Kim | 1e84371 | 2014-12-09 06:08:59 -0800 | [diff] [blame] | 372 | #define F2FS_IOC_RELEASE_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 4) |
| 373 | #define F2FS_IOC_ABORT_VOLATILE_WRITE _IO(F2FS_IOCTL_MAGIC, 5) |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 374 | #define F2FS_IOC_GARBAGE_COLLECT _IOW(F2FS_IOCTL_MAGIC, 6, __u32) |
Chao Yu | 456b88e | 2015-10-05 22:24:19 +0800 | [diff] [blame] | 375 | #define F2FS_IOC_WRITE_CHECKPOINT _IO(F2FS_IOCTL_MAGIC, 7) |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 376 | #define F2FS_IOC_DEFRAGMENT _IOWR(F2FS_IOCTL_MAGIC, 8, \ |
| 377 | struct f2fs_defragment) |
Jaegeuk Kim | 4dd6f97 | 2016-07-08 15:16:47 -0700 | [diff] [blame] | 378 | #define F2FS_IOC_MOVE_RANGE _IOWR(F2FS_IOCTL_MAGIC, 9, \ |
| 379 | struct f2fs_move_range) |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 380 | #define F2FS_IOC_FLUSH_DEVICE _IOW(F2FS_IOCTL_MAGIC, 10, \ |
| 381 | struct f2fs_flush_device) |
Jaegeuk Kim | 0bb5306 | 2017-06-15 16:44:42 -0700 | [diff] [blame] | 382 | #define F2FS_IOC_GARBAGE_COLLECT_RANGE _IOW(F2FS_IOCTL_MAGIC, 11, \ |
| 383 | struct f2fs_gc_range) |
Jaegeuk Kim | 82925bb | 2017-07-21 12:58:59 -0700 | [diff] [blame] | 384 | #define F2FS_IOC_GET_FEATURES _IOR(F2FS_IOCTL_MAGIC, 12, __u32) |
Jaegeuk Kim | 9ce3d6b | 2017-12-07 16:25:39 -0800 | [diff] [blame] | 385 | #define F2FS_IOC_SET_PIN_FILE _IOW(F2FS_IOCTL_MAGIC, 13, __u32) |
| 386 | #define F2FS_IOC_GET_PIN_FILE _IOR(F2FS_IOCTL_MAGIC, 14, __u32) |
Chao Yu | 6bce963 | 2018-01-11 14:42:30 +0800 | [diff] [blame] | 387 | #define F2FS_IOC_PRECACHE_EXTENTS _IO(F2FS_IOCTL_MAGIC, 15) |
Namjae Jeon | e975082 | 2013-02-04 23:41:41 +0900 | [diff] [blame] | 388 | |
Jaegeuk Kim | 0b81d07 | 2015-05-15 16:26:10 -0700 | [diff] [blame] | 389 | #define F2FS_IOC_SET_ENCRYPTION_POLICY FS_IOC_SET_ENCRYPTION_POLICY |
| 390 | #define F2FS_IOC_GET_ENCRYPTION_POLICY FS_IOC_GET_ENCRYPTION_POLICY |
| 391 | #define F2FS_IOC_GET_ENCRYPTION_PWSALT FS_IOC_GET_ENCRYPTION_PWSALT |
Jaegeuk Kim | f424f66 | 2015-04-20 15:19:06 -0700 | [diff] [blame] | 392 | |
Jaegeuk Kim | 1abff93 | 2015-01-08 19:15:53 -0800 | [diff] [blame] | 393 | /* |
| 394 | * should be same as XFS_IOC_GOINGDOWN. |
| 395 | * Flags for going down operation used by FS_IOC_GOINGDOWN |
| 396 | */ |
| 397 | #define F2FS_IOC_SHUTDOWN _IOR('X', 125, __u32) /* Shutdown */ |
| 398 | #define F2FS_GOING_DOWN_FULLSYNC 0x0 /* going down with full sync */ |
| 399 | #define F2FS_GOING_DOWN_METASYNC 0x1 /* going down with metadata */ |
| 400 | #define F2FS_GOING_DOWN_NOSYNC 0x2 /* going down */ |
Jaegeuk Kim | c912a82 | 2015-10-07 09:46:37 -0700 | [diff] [blame] | 401 | #define F2FS_GOING_DOWN_METAFLUSH 0x3 /* going down with meta flush */ |
Jaegeuk Kim | 1abff93 | 2015-01-08 19:15:53 -0800 | [diff] [blame] | 402 | |
Namjae Jeon | e975082 | 2013-02-04 23:41:41 +0900 | [diff] [blame] | 403 | #if defined(__KERNEL__) && defined(CONFIG_COMPAT) |
| 404 | /* |
| 405 | * ioctl commands in 32 bit emulation |
| 406 | */ |
Chao Yu | 04ef4b6 | 2015-11-10 18:44:20 +0800 | [diff] [blame] | 407 | #define F2FS_IOC32_GETFLAGS FS_IOC32_GETFLAGS |
| 408 | #define F2FS_IOC32_SETFLAGS FS_IOC32_SETFLAGS |
| 409 | #define F2FS_IOC32_GETVERSION FS_IOC32_GETVERSION |
Namjae Jeon | e975082 | 2013-02-04 23:41:41 +0900 | [diff] [blame] | 410 | #endif |
| 411 | |
Jaegeuk Kim | 0bb5306 | 2017-06-15 16:44:42 -0700 | [diff] [blame] | 412 | struct f2fs_gc_range { |
| 413 | u32 sync; |
| 414 | u64 start; |
| 415 | u64 len; |
| 416 | }; |
| 417 | |
Chao Yu | d323d00 | 2015-10-27 09:53:45 +0800 | [diff] [blame] | 418 | struct f2fs_defragment { |
| 419 | u64 start; |
| 420 | u64 len; |
| 421 | }; |
| 422 | |
Jaegeuk Kim | 4dd6f97 | 2016-07-08 15:16:47 -0700 | [diff] [blame] | 423 | struct f2fs_move_range { |
| 424 | u32 dst_fd; /* destination fd */ |
| 425 | u64 pos_in; /* start position in src_fd */ |
| 426 | u64 pos_out; /* start position in dst_fd */ |
| 427 | u64 len; /* size to move */ |
| 428 | }; |
| 429 | |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 430 | struct f2fs_flush_device { |
| 431 | u32 dev_num; /* device number to flush */ |
| 432 | u32 segments; /* # of segments to flush */ |
| 433 | }; |
| 434 | |
Chao Yu | e84f88e | 2017-07-19 00:19:05 +0800 | [diff] [blame] | 435 | /* for inline stuff */ |
| 436 | #define DEF_INLINE_RESERVED_SIZE 1 |
Chao Yu | 50ffaa9 | 2017-09-06 21:59:50 +0800 | [diff] [blame] | 437 | #define DEF_MIN_INLINE_SIZE 1 |
Chao Yu | fbcf931 | 2017-07-19 00:19:06 +0800 | [diff] [blame] | 438 | static inline int get_extra_isize(struct inode *inode); |
Chao Yu | 50ffaa9 | 2017-09-06 21:59:50 +0800 | [diff] [blame] | 439 | static inline int get_inline_xattr_addrs(struct inode *inode); |
Chao Yu | 50ffaa9 | 2017-09-06 21:59:50 +0800 | [diff] [blame] | 440 | #define MAX_INLINE_DATA(inode) (sizeof(__le32) * \ |
| 441 | (CUR_ADDRS_PER_INODE(inode) - \ |
Chao Yu | 3aa46e2 | 2018-01-17 16:31:36 +0800 | [diff] [blame] | 442 | get_inline_xattr_addrs(inode) - \ |
Chao Yu | 50ffaa9 | 2017-09-06 21:59:50 +0800 | [diff] [blame] | 443 | DEF_INLINE_RESERVED_SIZE)) |
Chao Yu | e84f88e | 2017-07-19 00:19:05 +0800 | [diff] [blame] | 444 | |
| 445 | /* for inline dir */ |
| 446 | #define NR_INLINE_DENTRY(inode) (MAX_INLINE_DATA(inode) * BITS_PER_BYTE / \ |
| 447 | ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \ |
| 448 | BITS_PER_BYTE + 1)) |
| 449 | #define INLINE_DENTRY_BITMAP_SIZE(inode) ((NR_INLINE_DENTRY(inode) + \ |
| 450 | BITS_PER_BYTE - 1) / BITS_PER_BYTE) |
| 451 | #define INLINE_RESERVED_SIZE(inode) (MAX_INLINE_DATA(inode) - \ |
| 452 | ((SIZE_OF_DIR_ENTRY + F2FS_SLOT_LEN) * \ |
| 453 | NR_INLINE_DENTRY(inode) + \ |
| 454 | INLINE_DENTRY_BITMAP_SIZE(inode))) |
| 455 | |
Namjae Jeon | e975082 | 2013-02-04 23:41:41 +0900 | [diff] [blame] | 456 | /* |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 457 | * For INODE and NODE manager |
| 458 | */ |
Jaegeuk Kim | 7b3cd7d | 2014-10-18 22:52:52 -0700 | [diff] [blame] | 459 | /* for directory operations */ |
| 460 | struct f2fs_dentry_ptr { |
Jaegeuk Kim | d8c6822 | 2015-04-27 16:26:24 -0700 | [diff] [blame] | 461 | struct inode *inode; |
Chao Yu | b75c5f6 | 2017-07-16 15:08:54 +0800 | [diff] [blame] | 462 | void *bitmap; |
Jaegeuk Kim | 7b3cd7d | 2014-10-18 22:52:52 -0700 | [diff] [blame] | 463 | struct f2fs_dir_entry *dentry; |
| 464 | __u8 (*filename)[F2FS_SLOT_LEN]; |
| 465 | int max; |
Chao Yu | b75c5f6 | 2017-07-16 15:08:54 +0800 | [diff] [blame] | 466 | int nr_bitmap; |
Jaegeuk Kim | 7b3cd7d | 2014-10-18 22:52:52 -0700 | [diff] [blame] | 467 | }; |
| 468 | |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 469 | static inline void make_dentry_ptr_block(struct inode *inode, |
| 470 | struct f2fs_dentry_ptr *d, struct f2fs_dentry_block *t) |
Jaegeuk Kim | 7b3cd7d | 2014-10-18 22:52:52 -0700 | [diff] [blame] | 471 | { |
Jaegeuk Kim | d8c6822 | 2015-04-27 16:26:24 -0700 | [diff] [blame] | 472 | d->inode = inode; |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 473 | d->max = NR_DENTRY_IN_BLOCK; |
Chao Yu | b75c5f6 | 2017-07-16 15:08:54 +0800 | [diff] [blame] | 474 | d->nr_bitmap = SIZE_OF_DENTRY_BITMAP; |
Yunlong Song | 270deeb | 2018-04-02 20:22:20 +0800 | [diff] [blame] | 475 | d->bitmap = t->dentry_bitmap; |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 476 | d->dentry = t->dentry; |
| 477 | d->filename = t->filename; |
| 478 | } |
Jaegeuk Kim | d8c6822 | 2015-04-27 16:26:24 -0700 | [diff] [blame] | 479 | |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 480 | static inline void make_dentry_ptr_inline(struct inode *inode, |
Chao Yu | e84f88e | 2017-07-19 00:19:05 +0800 | [diff] [blame] | 481 | struct f2fs_dentry_ptr *d, void *t) |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 482 | { |
Chao Yu | e84f88e | 2017-07-19 00:19:05 +0800 | [diff] [blame] | 483 | int entry_cnt = NR_INLINE_DENTRY(inode); |
| 484 | int bitmap_size = INLINE_DENTRY_BITMAP_SIZE(inode); |
| 485 | int reserved_size = INLINE_RESERVED_SIZE(inode); |
| 486 | |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 487 | d->inode = inode; |
Chao Yu | e84f88e | 2017-07-19 00:19:05 +0800 | [diff] [blame] | 488 | d->max = entry_cnt; |
| 489 | d->nr_bitmap = bitmap_size; |
| 490 | d->bitmap = t; |
| 491 | d->dentry = t + bitmap_size + reserved_size; |
| 492 | d->filename = t + bitmap_size + reserved_size + |
| 493 | SIZE_OF_DIR_ENTRY * entry_cnt; |
Jaegeuk Kim | 7b3cd7d | 2014-10-18 22:52:52 -0700 | [diff] [blame] | 494 | } |
| 495 | |
Jaegeuk Kim | dbe6a5f | 2013-08-09 08:14:06 +0900 | [diff] [blame] | 496 | /* |
| 497 | * XATTR_NODE_OFFSET stores xattrs to one node block per file keeping -1 |
| 498 | * as its node offset to distinguish from index node blocks. |
| 499 | * But some bits are used to mark the node block. |
| 500 | */ |
| 501 | #define XATTR_NODE_OFFSET ((((unsigned int)-1) << OFFSET_BIT_SHIFT) \ |
| 502 | >> OFFSET_BIT_SHIFT) |
Jaegeuk Kim | 266e97a | 2013-02-26 13:10:46 +0900 | [diff] [blame] | 503 | enum { |
| 504 | ALLOC_NODE, /* allocate a new node page if needed */ |
| 505 | LOOKUP_NODE, /* look up a node without readahead */ |
| 506 | LOOKUP_NODE_RA, /* |
| 507 | * look up a node with readahead called |
Chao Yu | 4f4124d | 2013-12-21 18:02:14 +0800 | [diff] [blame] | 508 | * by get_data_block. |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 509 | */ |
Jaegeuk Kim | 266e97a | 2013-02-26 13:10:46 +0900 | [diff] [blame] | 510 | }; |
| 511 | |
Jaegeuk Kim | a6db67f | 2015-08-10 15:01:12 -0700 | [diff] [blame] | 512 | #define F2FS_LINK_MAX 0xffffffff /* maximum link count per file */ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 513 | |
Chao Yu | 817202d9 | 2014-04-28 17:59:43 +0800 | [diff] [blame] | 514 | #define MAX_DIR_RA_PAGES 4 /* maximum ra pages of dir */ |
| 515 | |
Chao Yu | 13054c5 | 2015-02-05 17:52:58 +0800 | [diff] [blame] | 516 | /* vector size for gang look-up from extent cache that consists of radix tree */ |
| 517 | #define EXT_TREE_VEC_SIZE 64 |
| 518 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 519 | /* for in-memory extent cache entry */ |
Chao Yu | 13054c5 | 2015-02-05 17:52:58 +0800 | [diff] [blame] | 520 | #define F2FS_MIN_EXTENT_LEN 64 /* minimum extent length */ |
| 521 | |
| 522 | /* number of extent info in extent cache we try to shrink */ |
| 523 | #define EXTENT_CACHE_SHRINK_NUMBER 128 |
Jaegeuk Kim | c11abd1 | 2013-11-19 10:41:54 +0900 | [diff] [blame] | 524 | |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 525 | struct rb_entry { |
| 526 | struct rb_node rb_node; /* rb node located in rb-tree */ |
| 527 | unsigned int ofs; /* start offset of the entry */ |
| 528 | unsigned int len; /* length of the entry */ |
| 529 | }; |
| 530 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 531 | struct extent_info { |
Chao Yu | 13054c5 | 2015-02-05 17:52:58 +0800 | [diff] [blame] | 532 | unsigned int fofs; /* start offset in a file */ |
Chao Yu | 13054c5 | 2015-02-05 17:52:58 +0800 | [diff] [blame] | 533 | unsigned int len; /* length of the extent */ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 534 | u32 blk; /* start block address of the extent */ |
Chao Yu | 13054c5 | 2015-02-05 17:52:58 +0800 | [diff] [blame] | 535 | }; |
| 536 | |
| 537 | struct extent_node { |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 538 | struct rb_node rb_node; |
| 539 | union { |
| 540 | struct { |
| 541 | unsigned int fofs; |
| 542 | unsigned int len; |
| 543 | u32 blk; |
| 544 | }; |
| 545 | struct extent_info ei; /* extent info */ |
| 546 | |
| 547 | }; |
Chao Yu | 13054c5 | 2015-02-05 17:52:58 +0800 | [diff] [blame] | 548 | struct list_head list; /* node in global extent list of sbi */ |
Hou Pengyang | 201ef5e | 2016-01-26 12:56:26 +0000 | [diff] [blame] | 549 | struct extent_tree *et; /* extent tree pointer */ |
Chao Yu | 13054c5 | 2015-02-05 17:52:58 +0800 | [diff] [blame] | 550 | }; |
| 551 | |
| 552 | struct extent_tree { |
| 553 | nid_t ino; /* inode number */ |
| 554 | struct rb_root root; /* root of extent info rb-tree */ |
Chao Yu | 62c8af6 | 2015-02-05 18:01:39 +0800 | [diff] [blame] | 555 | struct extent_node *cached_en; /* recently accessed extent node */ |
Jaegeuk Kim | 3e72f72 | 2015-06-19 17:53:26 -0700 | [diff] [blame] | 556 | struct extent_info largest; /* largested extent info */ |
Jaegeuk Kim | 137d09f | 2015-12-31 15:02:16 -0800 | [diff] [blame] | 557 | struct list_head list; /* to be used by sbi->zombie_list */ |
Chao Yu | 13054c5 | 2015-02-05 17:52:58 +0800 | [diff] [blame] | 558 | rwlock_t lock; /* protect extent info rb-tree */ |
Chao Yu | 68e3538 | 2016-01-08 20:22:52 +0800 | [diff] [blame] | 559 | atomic_t node_cnt; /* # of extent node in rb-tree*/ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 560 | }; |
| 561 | |
| 562 | /* |
Jaegeuk Kim | 003a3e1 | 2015-04-06 19:55:34 -0700 | [diff] [blame] | 563 | * This structure is taken from ext4_map_blocks. |
| 564 | * |
| 565 | * Note that, however, f2fs uses NEW and MAPPED flags for f2fs_map_blocks(). |
| 566 | */ |
| 567 | #define F2FS_MAP_NEW (1 << BH_New) |
| 568 | #define F2FS_MAP_MAPPED (1 << BH_Mapped) |
Jaegeuk Kim | 7f63eb7 | 2015-05-08 19:30:32 -0700 | [diff] [blame] | 569 | #define F2FS_MAP_UNWRITTEN (1 << BH_Unwritten) |
| 570 | #define F2FS_MAP_FLAGS (F2FS_MAP_NEW | F2FS_MAP_MAPPED |\ |
| 571 | F2FS_MAP_UNWRITTEN) |
Jaegeuk Kim | 003a3e1 | 2015-04-06 19:55:34 -0700 | [diff] [blame] | 572 | |
| 573 | struct f2fs_map_blocks { |
| 574 | block_t m_pblk; |
| 575 | block_t m_lblk; |
| 576 | unsigned int m_len; |
| 577 | unsigned int m_flags; |
Chao Yu | da85985 | 2016-01-26 15:42:58 +0800 | [diff] [blame] | 578 | pgoff_t *m_next_pgofs; /* point next possible non-hole pgofs */ |
Chao Yu | 6bce963 | 2018-01-11 14:42:30 +0800 | [diff] [blame] | 579 | pgoff_t *m_next_extent; /* point to next possible extent */ |
Hyunchul Lee | 1a9d6a9 | 2017-11-28 09:23:00 +0900 | [diff] [blame] | 580 | int m_seg_type; |
Jaegeuk Kim | 003a3e1 | 2015-04-06 19:55:34 -0700 | [diff] [blame] | 581 | }; |
| 582 | |
Chao Yu | e2b4e2b | 2015-08-19 19:11:19 +0800 | [diff] [blame] | 583 | /* for flag in get_data_block */ |
Qiuyang Sun | 9afa159 | 2017-08-09 17:27:30 +0800 | [diff] [blame] | 584 | enum { |
| 585 | F2FS_GET_BLOCK_DEFAULT, |
| 586 | F2FS_GET_BLOCK_FIEMAP, |
| 587 | F2FS_GET_BLOCK_BMAP, |
| 588 | F2FS_GET_BLOCK_PRE_DIO, |
| 589 | F2FS_GET_BLOCK_PRE_AIO, |
Chao Yu | 6bce963 | 2018-01-11 14:42:30 +0800 | [diff] [blame] | 590 | F2FS_GET_BLOCK_PRECACHE, |
Qiuyang Sun | 9afa159 | 2017-08-09 17:27:30 +0800 | [diff] [blame] | 591 | }; |
Chao Yu | e2b4e2b | 2015-08-19 19:11:19 +0800 | [diff] [blame] | 592 | |
Jaegeuk Kim | 003a3e1 | 2015-04-06 19:55:34 -0700 | [diff] [blame] | 593 | /* |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 594 | * i_advise uses FADVISE_XXX_BIT. We can add additional hints later. |
| 595 | */ |
| 596 | #define FADVISE_COLD_BIT 0x01 |
Jaegeuk Kim | 354a339 | 2013-06-14 08:52:35 +0900 | [diff] [blame] | 597 | #define FADVISE_LOST_PINO_BIT 0x02 |
Jaegeuk Kim | cde4de1 | 2015-04-20 13:57:51 -0700 | [diff] [blame] | 598 | #define FADVISE_ENCRYPT_BIT 0x04 |
Jaegeuk Kim | e7d5545 | 2015-04-29 17:02:18 -0700 | [diff] [blame] | 599 | #define FADVISE_ENC_NAME_BIT 0x08 |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 600 | #define FADVISE_KEEP_SIZE_BIT 0x10 |
Chao Yu | ac734c4 | 2018-02-28 17:07:27 +0800 | [diff] [blame] | 601 | #define FADVISE_HOT_BIT 0x20 |
Eric Biggers | 29cead5 | 2018-03-28 11:15:09 -0700 | [diff] [blame] | 602 | #define FADVISE_VERITY_BIT 0x40 /* reserved */ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 603 | |
Jaegeuk Kim | b5492af7 | 2015-04-20 13:44:41 -0700 | [diff] [blame] | 604 | #define file_is_cold(inode) is_file(inode, FADVISE_COLD_BIT) |
| 605 | #define file_wrong_pino(inode) is_file(inode, FADVISE_LOST_PINO_BIT) |
| 606 | #define file_set_cold(inode) set_file(inode, FADVISE_COLD_BIT) |
| 607 | #define file_lost_pino(inode) set_file(inode, FADVISE_LOST_PINO_BIT) |
| 608 | #define file_clear_cold(inode) clear_file(inode, FADVISE_COLD_BIT) |
| 609 | #define file_got_pino(inode) clear_file(inode, FADVISE_LOST_PINO_BIT) |
Jaegeuk Kim | cde4de1 | 2015-04-20 13:57:51 -0700 | [diff] [blame] | 610 | #define file_is_encrypt(inode) is_file(inode, FADVISE_ENCRYPT_BIT) |
| 611 | #define file_set_encrypt(inode) set_file(inode, FADVISE_ENCRYPT_BIT) |
| 612 | #define file_clear_encrypt(inode) clear_file(inode, FADVISE_ENCRYPT_BIT) |
Jaegeuk Kim | e7d5545 | 2015-04-29 17:02:18 -0700 | [diff] [blame] | 613 | #define file_enc_name(inode) is_file(inode, FADVISE_ENC_NAME_BIT) |
| 614 | #define file_set_enc_name(inode) set_file(inode, FADVISE_ENC_NAME_BIT) |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 615 | #define file_keep_isize(inode) is_file(inode, FADVISE_KEEP_SIZE_BIT) |
| 616 | #define file_set_keep_isize(inode) set_file(inode, FADVISE_KEEP_SIZE_BIT) |
Chao Yu | ac734c4 | 2018-02-28 17:07:27 +0800 | [diff] [blame] | 617 | #define file_is_hot(inode) is_file(inode, FADVISE_HOT_BIT) |
| 618 | #define file_set_hot(inode) set_file(inode, FADVISE_HOT_BIT) |
| 619 | #define file_clear_hot(inode) clear_file(inode, FADVISE_HOT_BIT) |
Jaegeuk Kim | cde4de1 | 2015-04-20 13:57:51 -0700 | [diff] [blame] | 620 | |
Jaegeuk Kim | ab9fa66 | 2014-02-27 20:09:05 +0900 | [diff] [blame] | 621 | #define DEF_DIR_LEVEL 0 |
| 622 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 623 | struct f2fs_inode_info { |
| 624 | struct inode vfs_inode; /* serve a vfs inode */ |
| 625 | unsigned long i_flags; /* keep an inode flags for ioctl */ |
| 626 | unsigned char i_advise; /* use to give file attribute hints */ |
Jaegeuk Kim | 3843154 | 2014-02-27 18:20:00 +0900 | [diff] [blame] | 627 | unsigned char i_dir_level; /* use for dentry level for large dir */ |
Jaegeuk Kim | 9ce3d6b | 2017-12-07 16:25:39 -0800 | [diff] [blame] | 628 | union { |
| 629 | unsigned int i_current_depth; /* only for directory depth */ |
| 630 | unsigned short i_gc_failures; /* only for regular file */ |
| 631 | }; |
Jaegeuk Kim | 6666e6a | 2012-12-10 17:52:48 +0900 | [diff] [blame] | 632 | unsigned int i_pino; /* parent inode number */ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 633 | umode_t i_acl_mode; /* keep file acl mode temporarily */ |
| 634 | |
| 635 | /* Use below internally in f2fs*/ |
| 636 | unsigned long flags; /* use to pass per-file flags */ |
Jaegeuk Kim | d928bfb | 2014-03-20 19:10:08 +0900 | [diff] [blame] | 637 | struct rw_semaphore i_sem; /* protect fi info */ |
Jaegeuk Kim | a43e1c4 | 2016-12-02 15:11:32 -0800 | [diff] [blame] | 638 | atomic_t dirty_pages; /* # of dirty pages */ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 639 | f2fs_hash_t chash; /* hash value of given file name */ |
| 640 | unsigned int clevel; /* maximum level of given file name */ |
Jaegeuk Kim | d00d1b7 | 2017-02-14 09:54:37 -0800 | [diff] [blame] | 641 | struct task_struct *task; /* lookup and create consistency */ |
Chao Yu | c0fe488 | 2017-08-02 23:21:48 +0800 | [diff] [blame] | 642 | struct task_struct *cp_task; /* separate cp/wb IO stats*/ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 643 | nid_t i_xattr_nid; /* node id that contains xattrs */ |
Jaegeuk Kim | 26de9b1 | 2016-05-20 20:42:37 -0700 | [diff] [blame] | 644 | loff_t last_disk_size; /* lastly written file size */ |
Jaegeuk Kim | 88b88a6 | 2014-10-06 17:39:50 -0700 | [diff] [blame] | 645 | |
Chao Yu | 09c3a72 | 2017-07-09 00:13:07 +0800 | [diff] [blame] | 646 | #ifdef CONFIG_QUOTA |
| 647 | struct dquot *i_dquot[MAXQUOTAS]; |
| 648 | |
| 649 | /* quota space reservation, managed internally by quota code */ |
| 650 | qsize_t i_reserved_quota; |
| 651 | #endif |
Jaegeuk Kim | 0f18b46 | 2016-05-20 11:10:10 -0700 | [diff] [blame] | 652 | struct list_head dirty_list; /* dirty list for dirs and files */ |
| 653 | struct list_head gdirty_list; /* linked in global dirty list */ |
Jaegeuk Kim | 35e13ca | 2017-10-18 19:05:57 -0700 | [diff] [blame] | 654 | struct list_head inmem_ilist; /* list for inmem inodes */ |
Jaegeuk Kim | 88b88a6 | 2014-10-06 17:39:50 -0700 | [diff] [blame] | 655 | struct list_head inmem_pages; /* inmemory pages managed by f2fs */ |
Jaegeuk Kim | a778c4c | 2017-07-24 19:46:29 -0700 | [diff] [blame] | 656 | struct task_struct *inmem_task; /* store inmemory task */ |
Jaegeuk Kim | 88b88a6 | 2014-10-06 17:39:50 -0700 | [diff] [blame] | 657 | struct mutex inmem_lock; /* lock for inmemory pages */ |
Jaegeuk Kim | 3e72f72 | 2015-06-19 17:53:26 -0700 | [diff] [blame] | 658 | struct extent_tree *extent_tree; /* cached extent_tree entry */ |
Chao Yu | 82e0a5a | 2016-07-13 09:18:29 +0800 | [diff] [blame] | 659 | struct rw_semaphore dio_rwsem[2];/* avoid racing between dio and gc */ |
Qiuyang Sun | 7b23ea1 | 2017-05-18 11:06:45 +0800 | [diff] [blame] | 660 | struct rw_semaphore i_mmap_sem; |
Yunlei He | 5dd3add | 2017-09-07 10:40:54 +0800 | [diff] [blame] | 661 | struct rw_semaphore i_xattr_sem; /* avoid racing between reading and changing EAs */ |
Chao Yu | e84f88e | 2017-07-19 00:19:05 +0800 | [diff] [blame] | 662 | |
Chao Yu | fbcf931 | 2017-07-19 00:19:06 +0800 | [diff] [blame] | 663 | int i_extra_isize; /* size of extra space located in i_addr */ |
Chao Yu | 5647b30 | 2017-07-26 00:01:41 +0800 | [diff] [blame] | 664 | kprojid_t i_projid; /* id for project quota */ |
Chao Yu | 50ffaa9 | 2017-09-06 21:59:50 +0800 | [diff] [blame] | 665 | int i_inline_xattr_size; /* inline xattr size */ |
Chao Yu | 71f8f04 | 2018-01-25 14:54:42 +0800 | [diff] [blame] | 666 | struct timespec i_crtime; /* inode creation time */ |
Jaegeuk Kim | ac389af | 2018-03-29 22:50:41 -0700 | [diff] [blame] | 667 | struct timespec i_disk_time[4]; /* inode disk times */ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 668 | }; |
| 669 | |
| 670 | static inline void get_extent_info(struct extent_info *ext, |
Chao Yu | bd933d4 | 2016-05-04 23:19:47 +0800 | [diff] [blame] | 671 | struct f2fs_extent *i_ext) |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 672 | { |
Chao Yu | bd933d4 | 2016-05-04 23:19:47 +0800 | [diff] [blame] | 673 | ext->fofs = le32_to_cpu(i_ext->fofs); |
| 674 | ext->blk = le32_to_cpu(i_ext->blk); |
| 675 | ext->len = le32_to_cpu(i_ext->len); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 676 | } |
| 677 | |
| 678 | static inline void set_raw_extent(struct extent_info *ext, |
| 679 | struct f2fs_extent *i_ext) |
| 680 | { |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 681 | i_ext->fofs = cpu_to_le32(ext->fofs); |
Chao Yu | 4d0b0bd | 2015-02-05 17:47:25 +0800 | [diff] [blame] | 682 | i_ext->blk = cpu_to_le32(ext->blk); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 683 | i_ext->len = cpu_to_le32(ext->len); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 684 | } |
| 685 | |
Chao Yu | 429511c | 2015-02-05 17:54:31 +0800 | [diff] [blame] | 686 | static inline void set_extent_info(struct extent_info *ei, unsigned int fofs, |
| 687 | u32 blk, unsigned int len) |
| 688 | { |
| 689 | ei->fofs = fofs; |
| 690 | ei->blk = blk; |
| 691 | ei->len = len; |
| 692 | } |
| 693 | |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 694 | static inline bool __is_discard_mergeable(struct discard_info *back, |
| 695 | struct discard_info *front) |
Chao Yu | 0bdee48 | 2015-03-19 19:27:51 +0800 | [diff] [blame] | 696 | { |
Jaegeuk Kim | 8f6a2e7 | 2018-05-24 13:57:26 -0700 | [diff] [blame] | 697 | return (back->lstart + back->len == front->lstart) && |
| 698 | (back->len + front->len < DEF_MAX_DISCARD_LEN); |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 699 | } |
| 700 | |
| 701 | static inline bool __is_discard_back_mergeable(struct discard_info *cur, |
| 702 | struct discard_info *back) |
| 703 | { |
| 704 | return __is_discard_mergeable(back, cur); |
| 705 | } |
| 706 | |
| 707 | static inline bool __is_discard_front_mergeable(struct discard_info *cur, |
| 708 | struct discard_info *front) |
| 709 | { |
| 710 | return __is_discard_mergeable(cur, front); |
Chao Yu | 0bdee48 | 2015-03-19 19:27:51 +0800 | [diff] [blame] | 711 | } |
| 712 | |
Chao Yu | 429511c | 2015-02-05 17:54:31 +0800 | [diff] [blame] | 713 | static inline bool __is_extent_mergeable(struct extent_info *back, |
| 714 | struct extent_info *front) |
| 715 | { |
| 716 | return (back->fofs + back->len == front->fofs && |
| 717 | back->blk + back->len == front->blk); |
| 718 | } |
| 719 | |
| 720 | static inline bool __is_back_mergeable(struct extent_info *cur, |
| 721 | struct extent_info *back) |
| 722 | { |
| 723 | return __is_extent_mergeable(back, cur); |
| 724 | } |
| 725 | |
| 726 | static inline bool __is_front_mergeable(struct extent_info *cur, |
| 727 | struct extent_info *front) |
| 728 | { |
| 729 | return __is_extent_mergeable(cur, front); |
| 730 | } |
| 731 | |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 732 | extern void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync); |
Jaegeuk Kim | 205b982 | 2016-05-20 09:52:20 -0700 | [diff] [blame] | 733 | static inline void __try_update_largest_extent(struct inode *inode, |
| 734 | struct extent_tree *et, struct extent_node *en) |
Chao Yu | 4abd3f5 | 2015-09-22 21:07:47 +0800 | [diff] [blame] | 735 | { |
Jaegeuk Kim | 205b982 | 2016-05-20 09:52:20 -0700 | [diff] [blame] | 736 | if (en->ei.len > et->largest.len) { |
Chao Yu | 4abd3f5 | 2015-09-22 21:07:47 +0800 | [diff] [blame] | 737 | et->largest = en->ei; |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 738 | f2fs_mark_inode_dirty_sync(inode, true); |
Jaegeuk Kim | 205b982 | 2016-05-20 09:52:20 -0700 | [diff] [blame] | 739 | } |
Chao Yu | 4abd3f5 | 2015-09-22 21:07:47 +0800 | [diff] [blame] | 740 | } |
| 741 | |
Chao Yu | 84af6ae | 2017-09-29 13:59:35 +0800 | [diff] [blame] | 742 | /* |
| 743 | * For free nid management |
| 744 | */ |
| 745 | enum nid_state { |
| 746 | FREE_NID, /* newly added to free nid list */ |
| 747 | PREALLOC_NID, /* it is preallocated */ |
| 748 | MAX_NID_STATE, |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 749 | }; |
| 750 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 751 | struct f2fs_nm_info { |
| 752 | block_t nat_blkaddr; /* base disk address of NAT */ |
| 753 | nid_t max_nid; /* maximum possible node ids */ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 754 | nid_t available_nids; /* # of available node ids */ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 755 | nid_t next_scan_nid; /* the next nid to be scanned */ |
Jaegeuk Kim | cdfc41c | 2014-03-19 13:31:37 +0900 | [diff] [blame] | 756 | unsigned int ram_thresh; /* control the memory footprint */ |
Chao Yu | ea1a29a0 | 2015-10-12 17:08:48 +0800 | [diff] [blame] | 757 | unsigned int ra_nid_pages; /* # of nid pages to be readaheaded */ |
Chao Yu | 2304cb0 | 2016-01-18 18:32:58 +0800 | [diff] [blame] | 758 | unsigned int dirty_nats_ratio; /* control dirty nats ratio threshold */ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 759 | |
| 760 | /* NAT cache management */ |
| 761 | struct radix_tree_root nat_root;/* root of the nat entry cache */ |
Jaegeuk Kim | 309cc2b | 2014-09-22 11:40:48 -0700 | [diff] [blame] | 762 | struct radix_tree_root nat_set_root;/* root of the nat set cache */ |
Jaegeuk Kim | b873b79 | 2016-08-04 11:38:25 -0700 | [diff] [blame] | 763 | struct rw_semaphore nat_tree_lock; /* protect nat_tree_lock */ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 764 | struct list_head nat_entries; /* cached nat entry list (clean) */ |
Jaegeuk Kim | 309cc2b | 2014-09-22 11:40:48 -0700 | [diff] [blame] | 765 | unsigned int nat_cnt; /* the # of cached nat entries */ |
Chao Yu | aec7138 | 2014-06-24 09:18:20 +0800 | [diff] [blame] | 766 | unsigned int dirty_nat_cnt; /* total num of nat entries in set */ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 767 | unsigned int nat_blocks; /* # of nat blocks */ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 768 | |
| 769 | /* free node ids management */ |
Jaegeuk Kim | 8a7ed66 | 2014-02-21 14:29:35 +0900 | [diff] [blame] | 770 | struct radix_tree_root free_nid_root;/* root of the free_nid cache */ |
Chao Yu | 84af6ae | 2017-09-29 13:59:35 +0800 | [diff] [blame] | 771 | struct list_head free_nid_list; /* list for free nids excluding preallocated nids */ |
| 772 | unsigned int nid_cnt[MAX_NID_STATE]; /* the number of free node id */ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 773 | spinlock_t nid_list_lock; /* protect nid lists ops */ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 774 | struct mutex build_lock; /* lock for build free nids */ |
Jaegeuk Kim | 9f1896c | 2018-03-09 17:42:28 -0800 | [diff] [blame] | 775 | unsigned char **free_nid_bitmap; |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 776 | unsigned char *nat_block_bitmap; |
| 777 | unsigned short *free_nid_count; /* free nid count of NAT block */ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 778 | |
| 779 | /* for checkpoint */ |
| 780 | char *nat_bitmap; /* NAT bitmap pointer */ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 781 | |
| 782 | unsigned int nat_bits_blocks; /* # of nat bits blocks */ |
| 783 | unsigned char *nat_bits; /* NAT bits blocks */ |
| 784 | unsigned char *full_nat_bits; /* full NAT pages */ |
| 785 | unsigned char *empty_nat_bits; /* empty NAT pages */ |
| 786 | #ifdef CONFIG_F2FS_CHECK_FS |
| 787 | char *nat_bitmap_mir; /* NAT bitmap mirror */ |
| 788 | #endif |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 789 | int bitmap_size; /* bitmap size */ |
| 790 | }; |
| 791 | |
| 792 | /* |
| 793 | * this structure is used as one of function parameters. |
| 794 | * all the information are dedicated to a given direct node block determined |
| 795 | * by the data offset in a file. |
| 796 | */ |
| 797 | struct dnode_of_data { |
| 798 | struct inode *inode; /* vfs inode pointer */ |
| 799 | struct page *inode_page; /* its inode page, NULL is possible */ |
| 800 | struct page *node_page; /* cached direct node page */ |
| 801 | nid_t nid; /* node id of the direct node block */ |
| 802 | unsigned int ofs_in_node; /* data offset in the node page */ |
| 803 | bool inode_page_locked; /* inode page is locked or not */ |
Jaegeuk Kim | 93bae09 | 2015-12-22 12:59:54 -0800 | [diff] [blame] | 804 | bool node_changed; /* is node block changed */ |
Chao Yu | 3cf4574 | 2016-01-26 15:40:44 +0800 | [diff] [blame] | 805 | char cur_level; /* level of hole node page */ |
| 806 | char max_level; /* level of current page located */ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 807 | block_t data_blkaddr; /* block address of the node block */ |
| 808 | }; |
| 809 | |
| 810 | static inline void set_new_dnode(struct dnode_of_data *dn, struct inode *inode, |
| 811 | struct page *ipage, struct page *npage, nid_t nid) |
| 812 | { |
Jaegeuk Kim | d66d1f7 | 2013-01-03 08:57:21 +0900 | [diff] [blame] | 813 | memset(dn, 0, sizeof(*dn)); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 814 | dn->inode = inode; |
| 815 | dn->inode_page = ipage; |
| 816 | dn->node_page = npage; |
| 817 | dn->nid = nid; |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 818 | } |
| 819 | |
| 820 | /* |
| 821 | * For SIT manager |
| 822 | * |
| 823 | * By default, there are 6 active log areas across the whole main area. |
| 824 | * When considering hot and cold data separation to reduce cleaning overhead, |
| 825 | * we split 3 for data logs and 3 for node logs as hot, warm, and cold types, |
| 826 | * respectively. |
| 827 | * In the current design, you should not change the numbers intentionally. |
| 828 | * Instead, as a mount option such as active_logs=x, you can use 2, 4, and 6 |
| 829 | * logs individually according to the underlying devices. (default: 6) |
| 830 | * Just in case, on-disk layout covers maximum 16 logs that consist of 8 for |
| 831 | * data and 8 for node logs. |
| 832 | */ |
| 833 | #define NR_CURSEG_DATA_TYPE (3) |
| 834 | #define NR_CURSEG_NODE_TYPE (3) |
| 835 | #define NR_CURSEG_TYPE (NR_CURSEG_DATA_TYPE + NR_CURSEG_NODE_TYPE) |
| 836 | |
| 837 | enum { |
| 838 | CURSEG_HOT_DATA = 0, /* directory entry blocks */ |
| 839 | CURSEG_WARM_DATA, /* data blocks */ |
| 840 | CURSEG_COLD_DATA, /* multimedia or GCed data blocks */ |
| 841 | CURSEG_HOT_NODE, /* direct node blocks of directory files */ |
| 842 | CURSEG_WARM_NODE, /* direct node blocks of normal files */ |
| 843 | CURSEG_COLD_NODE, /* indirect node blocks */ |
Jaegeuk Kim | 38aa088 | 2015-01-05 16:02:20 -0800 | [diff] [blame] | 844 | NO_CHECK_TYPE, |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 845 | }; |
| 846 | |
Jaegeuk Kim | 6b4afdd | 2014-04-02 15:34:36 +0900 | [diff] [blame] | 847 | struct flush_cmd { |
Jaegeuk Kim | 6b4afdd | 2014-04-02 15:34:36 +0900 | [diff] [blame] | 848 | struct completion wait; |
Gu Zheng | 721bd4d | 2014-09-05 18:31:00 +0800 | [diff] [blame] | 849 | struct llist_node llnode; |
Chao Yu | f014be8 | 2017-09-29 13:59:38 +0800 | [diff] [blame] | 850 | nid_t ino; |
Jaegeuk Kim | 6b4afdd | 2014-04-02 15:34:36 +0900 | [diff] [blame] | 851 | int ret; |
| 852 | }; |
| 853 | |
Gu Zheng | a688b9d9e | 2014-04-27 14:21:21 +0800 | [diff] [blame] | 854 | struct flush_cmd_control { |
| 855 | struct task_struct *f2fs_issue_flush; /* flush thread */ |
| 856 | wait_queue_head_t flush_wait_queue; /* waiting queue for wake-up */ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 857 | atomic_t issued_flush; /* # of issued flushes */ |
| 858 | atomic_t issing_flush; /* # of issing flushes */ |
Gu Zheng | 721bd4d | 2014-09-05 18:31:00 +0800 | [diff] [blame] | 859 | struct llist_head issue_list; /* list for command issue */ |
| 860 | struct llist_node *dispatch_list; /* list for command dispatch */ |
Gu Zheng | a688b9d9e | 2014-04-27 14:21:21 +0800 | [diff] [blame] | 861 | }; |
| 862 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 863 | struct f2fs_sm_info { |
| 864 | struct sit_info *sit_info; /* whole segment information */ |
| 865 | struct free_segmap_info *free_info; /* free segment information */ |
| 866 | struct dirty_seglist_info *dirty_info; /* dirty segment information */ |
| 867 | struct curseg_info *curseg_array; /* active segment information */ |
| 868 | |
Chao Yu | 7f41aab | 2017-11-02 20:41:03 +0800 | [diff] [blame] | 869 | struct rw_semaphore curseg_lock; /* for preventing curseg change */ |
| 870 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 871 | block_t seg0_blkaddr; /* block address of 0'th segment */ |
| 872 | block_t main_blkaddr; /* start block address of main area */ |
| 873 | block_t ssa_blkaddr; /* start block address of SSA area */ |
| 874 | |
| 875 | unsigned int segment_count; /* total # of segments */ |
| 876 | unsigned int main_segments; /* # of segments in main area */ |
| 877 | unsigned int reserved_segments; /* # of reserved segments */ |
| 878 | unsigned int ovp_segments; /* # of overprovision segments */ |
Jaegeuk Kim | 81eb8d6 | 2013-10-24 13:31:34 +0900 | [diff] [blame] | 879 | |
| 880 | /* a threshold to reclaim prefree segments */ |
| 881 | unsigned int rec_prefree_segments; |
Jaegeuk Kim | 7fd9e54 | 2013-11-15 13:55:58 +0900 | [diff] [blame] | 882 | |
Jaegeuk Kim | bba681c | 2015-01-26 17:41:23 -0800 | [diff] [blame] | 883 | /* for batched trimming */ |
| 884 | unsigned int trim_sections; /* # of sections to trim */ |
| 885 | |
Chao Yu | 184a5cd | 2014-09-04 18:13:01 +0800 | [diff] [blame] | 886 | struct list_head sit_entry_set; /* sit entry set list */ |
| 887 | |
Jaegeuk Kim | 216fbd6 | 2013-11-07 13:13:42 +0900 | [diff] [blame] | 888 | unsigned int ipu_policy; /* in-place-update policy */ |
| 889 | unsigned int min_ipu_util; /* in-place-update threshold */ |
Jaegeuk Kim | c1ce1b0 | 2014-09-10 16:53:02 -0700 | [diff] [blame] | 890 | unsigned int min_fsync_blocks; /* threshold for fsync */ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 891 | unsigned int min_hot_blocks; /* threshold for hot block allocation */ |
Chao Yu | b9f7387 | 2017-10-28 16:52:33 +0800 | [diff] [blame] | 892 | unsigned int min_ssr_sections; /* threshold to trigger SSR allocation */ |
Jaegeuk Kim | 6b4afdd | 2014-04-02 15:34:36 +0900 | [diff] [blame] | 893 | |
| 894 | /* for flush command control */ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 895 | struct flush_cmd_control *fcc_info; |
Gu Zheng | a688b9d9e | 2014-04-27 14:21:21 +0800 | [diff] [blame] | 896 | |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 897 | /* for discard command control */ |
| 898 | struct discard_cmd_control *dcc_info; |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 899 | }; |
| 900 | |
| 901 | /* |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 902 | * For superblock |
| 903 | */ |
| 904 | /* |
| 905 | * COUNT_TYPE for monitoring |
| 906 | * |
| 907 | * f2fs monitors the number of several block types such as on-writeback, |
| 908 | * dirty dentry blocks, dirty node blocks, and dirty meta blocks. |
| 909 | */ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 910 | #define WB_DATA_TYPE(p) (__is_cp_guaranteed(p) ? F2FS_WB_CP_DATA : F2FS_WB_DATA) |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 911 | enum count_type { |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 912 | F2FS_DIRTY_DENTS, |
Chao Yu | c227f91 | 2015-12-16 13:09:20 +0800 | [diff] [blame] | 913 | F2FS_DIRTY_DATA, |
Jaegeuk Kim | 931ecc2 | 2017-11-13 17:46:38 -0800 | [diff] [blame] | 914 | F2FS_DIRTY_QDATA, |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 915 | F2FS_DIRTY_NODES, |
| 916 | F2FS_DIRTY_META, |
Jaegeuk Kim | 8dcf2ff7 | 2014-12-05 17:18:15 -0800 | [diff] [blame] | 917 | F2FS_INMEM_PAGES, |
Jaegeuk Kim | 0f18b46 | 2016-05-20 11:10:10 -0700 | [diff] [blame] | 918 | F2FS_DIRTY_IMETA, |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 919 | F2FS_WB_CP_DATA, |
| 920 | F2FS_WB_DATA, |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 921 | NR_COUNT_TYPE, |
| 922 | }; |
| 923 | |
| 924 | /* |
arter97 | e1c4204 | 2014-08-06 23:22:50 +0900 | [diff] [blame] | 925 | * The below are the page types of bios used in submit_bio(). |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 926 | * The available types are: |
| 927 | * DATA User data pages. It operates as async mode. |
| 928 | * NODE Node pages. It operates as async mode. |
| 929 | * META FS metadata pages such as SIT, NAT, CP. |
| 930 | * NR_PAGE_TYPE The number of page types. |
| 931 | * META_FLUSH Make sure the previous pages are written |
| 932 | * with waiting the bio's completion |
| 933 | * ... Only can be used with META. |
| 934 | */ |
Jaegeuk Kim | 7d5e510 | 2013-11-18 17:13:35 +0900 | [diff] [blame] | 935 | #define PAGE_TYPE_OF_BIO(type) ((type) > META ? META : (type)) |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 936 | enum page_type { |
| 937 | DATA, |
| 938 | NODE, |
| 939 | META, |
| 940 | NR_PAGE_TYPE, |
| 941 | META_FLUSH, |
Jaegeuk Kim | 8ce67cb | 2015-03-17 17:58:08 -0700 | [diff] [blame] | 942 | INMEM, /* the below types are used by tracepoints only. */ |
| 943 | INMEM_DROP, |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 944 | INMEM_INVALIDATE, |
Chao Yu | 28bc106 | 2016-02-06 14:40:34 +0800 | [diff] [blame] | 945 | INMEM_REVOKE, |
Jaegeuk Kim | 8ce67cb | 2015-03-17 17:58:08 -0700 | [diff] [blame] | 946 | IPU, |
| 947 | OPU, |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 948 | }; |
| 949 | |
Jaegeuk Kim | c412726 | 2017-05-10 11:18:25 -0700 | [diff] [blame] | 950 | enum temp_type { |
| 951 | HOT = 0, /* must be zero for meta bio */ |
| 952 | WARM, |
| 953 | COLD, |
| 954 | NR_TEMP_TYPE, |
| 955 | }; |
| 956 | |
Jaegeuk Kim | 1b48ed6 | 2017-05-12 13:51:34 -0700 | [diff] [blame] | 957 | enum need_lock_type { |
| 958 | LOCK_REQ = 0, |
| 959 | LOCK_DONE, |
| 960 | LOCK_RETRY, |
| 961 | }; |
| 962 | |
Chao Yu | d75eb8d | 2017-11-06 22:51:45 +0800 | [diff] [blame] | 963 | enum cp_reason_type { |
| 964 | CP_NO_NEEDED, |
| 965 | CP_NON_REGULAR, |
| 966 | CP_HARDLINK, |
| 967 | CP_SB_NEED_CP, |
| 968 | CP_WRONG_PINO, |
| 969 | CP_NO_SPC_ROLL, |
| 970 | CP_NODE_NEED_CP, |
| 971 | CP_FASTBOOT_MODE, |
| 972 | CP_SPEC_LOG_NUM, |
Jaegeuk Kim | 211cb7b | 2017-12-28 08:09:44 -0800 | [diff] [blame] | 973 | CP_RECOVER_DIR, |
Chao Yu | d75eb8d | 2017-11-06 22:51:45 +0800 | [diff] [blame] | 974 | }; |
| 975 | |
Chao Yu | c0fe488 | 2017-08-02 23:21:48 +0800 | [diff] [blame] | 976 | enum iostat_type { |
| 977 | APP_DIRECT_IO, /* app direct IOs */ |
| 978 | APP_BUFFERED_IO, /* app buffered IOs */ |
| 979 | APP_WRITE_IO, /* app write IOs */ |
| 980 | APP_MAPPED_IO, /* app mapped IOs */ |
| 981 | FS_DATA_IO, /* data IOs from kworker/fsync/reclaimer */ |
| 982 | FS_NODE_IO, /* node IOs from kworker/fsync/reclaimer */ |
| 983 | FS_META_IO, /* meta IOs from kworker/reclaimer */ |
| 984 | FS_GC_DATA_IO, /* data IOs from forground gc */ |
| 985 | FS_GC_NODE_IO, /* node IOs from forground gc */ |
| 986 | FS_CP_DATA_IO, /* data IOs from checkpoint */ |
| 987 | FS_CP_NODE_IO, /* node IOs from checkpoint */ |
| 988 | FS_CP_META_IO, /* meta IOs from checkpoint */ |
| 989 | FS_DISCARD, /* discard */ |
| 990 | NR_IO_TYPE, |
| 991 | }; |
| 992 | |
Jaegeuk Kim | 458e619 | 2013-12-11 13:54:01 +0900 | [diff] [blame] | 993 | struct f2fs_io_info { |
Jaegeuk Kim | 05ca363 | 2015-04-23 14:38:15 -0700 | [diff] [blame] | 994 | struct f2fs_sb_info *sbi; /* f2fs_sb_info pointer */ |
Chao Yu | f014be8 | 2017-09-29 13:59:38 +0800 | [diff] [blame] | 995 | nid_t ino; /* inode number */ |
Gu Zheng | 7e8f230 | 2013-12-20 18:17:49 +0800 | [diff] [blame] | 996 | enum page_type type; /* contains DATA/NODE/META/META_FLUSH */ |
Jaegeuk Kim | c412726 | 2017-05-10 11:18:25 -0700 | [diff] [blame] | 997 | enum temp_type temp; /* contains HOT/WARM/COLD */ |
Mike Christie | 04d328d | 2016-06-05 14:31:55 -0500 | [diff] [blame] | 998 | int op; /* contains REQ_OP_ */ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 999 | int op_flags; /* req_flag_bits */ |
Chao Yu | 7a9d754 | 2016-02-22 18:36:38 +0800 | [diff] [blame] | 1000 | block_t new_blkaddr; /* new block address to be written */ |
Chao Yu | 28bc106 | 2016-02-06 14:40:34 +0800 | [diff] [blame] | 1001 | block_t old_blkaddr; /* old block address before Cow */ |
Jaegeuk Kim | 05ca363 | 2015-04-23 14:38:15 -0700 | [diff] [blame] | 1002 | struct page *page; /* page to be written */ |
Jaegeuk Kim | 4375a33 | 2015-04-23 12:04:33 -0700 | [diff] [blame] | 1003 | struct page *encrypted_page; /* encrypted page */ |
Chao Yu | c52dc0f | 2017-05-19 23:37:01 +0800 | [diff] [blame] | 1004 | struct list_head list; /* serialize IOs */ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 1005 | bool submitted; /* indicate IO submission */ |
Jaegeuk Kim | 1b48ed6 | 2017-05-12 13:51:34 -0700 | [diff] [blame] | 1006 | int need_lock; /* indicate we need to lock cp_rwsem */ |
Chao Yu | c52dc0f | 2017-05-19 23:37:01 +0800 | [diff] [blame] | 1007 | bool in_list; /* indicate fio is in io_list */ |
Yunlei He | a3f8ec8 | 2018-03-08 16:29:13 +0800 | [diff] [blame] | 1008 | bool is_meta; /* indicate borrow meta inode mapping or not */ |
Chao Yu | c0fe488 | 2017-08-02 23:21:48 +0800 | [diff] [blame] | 1009 | enum iostat_type io_type; /* io type */ |
Yufen Yu | cbd5e5a | 2018-01-09 19:33:39 +0800 | [diff] [blame] | 1010 | struct writeback_control *io_wbc; /* writeback control */ |
Jaegeuk Kim | 458e619 | 2013-12-11 13:54:01 +0900 | [diff] [blame] | 1011 | }; |
| 1012 | |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 1013 | #define is_read_io(rw) ((rw) == READ) |
Jaegeuk Kim | 1ff7bd3 | 2013-11-19 12:47:22 +0900 | [diff] [blame] | 1014 | struct f2fs_bio_info { |
Jaegeuk Kim | 458e619 | 2013-12-11 13:54:01 +0900 | [diff] [blame] | 1015 | struct f2fs_sb_info *sbi; /* f2fs superblock */ |
Jaegeuk Kim | 1ff7bd3 | 2013-11-19 12:47:22 +0900 | [diff] [blame] | 1016 | struct bio *bio; /* bios to merge */ |
| 1017 | sector_t last_block_in_bio; /* last block number */ |
Jaegeuk Kim | 458e619 | 2013-12-11 13:54:01 +0900 | [diff] [blame] | 1018 | struct f2fs_io_info fio; /* store buffered io info. */ |
Chao Yu | df0f8dc | 2014-03-22 14:57:23 +0800 | [diff] [blame] | 1019 | struct rw_semaphore io_rwsem; /* blocking op for bio */ |
Chao Yu | c52dc0f | 2017-05-19 23:37:01 +0800 | [diff] [blame] | 1020 | spinlock_t io_lock; /* serialize DATA/NODE IOs */ |
| 1021 | struct list_head io_list; /* track fios */ |
Jaegeuk Kim | 1ff7bd3 | 2013-11-19 12:47:22 +0900 | [diff] [blame] | 1022 | }; |
| 1023 | |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 1024 | #define FDEV(i) (sbi->devs[i]) |
| 1025 | #define RDEV(i) (raw_super->devs[i]) |
| 1026 | struct f2fs_dev_info { |
| 1027 | struct block_device *bdev; |
| 1028 | char path[MAX_PATH_LEN]; |
| 1029 | unsigned int total_segments; |
| 1030 | block_t start_blk; |
| 1031 | block_t end_blk; |
| 1032 | #ifdef CONFIG_BLK_DEV_ZONED |
| 1033 | unsigned int nr_blkz; /* Total number of zones */ |
| 1034 | u8 *blkz_type; /* Array of zones type */ |
| 1035 | #endif |
| 1036 | }; |
| 1037 | |
Chao Yu | c227f91 | 2015-12-16 13:09:20 +0800 | [diff] [blame] | 1038 | enum inode_type { |
| 1039 | DIR_INODE, /* for dirty dir inode */ |
| 1040 | FILE_INODE, /* for dirty regular/symlink inode */ |
Jaegeuk Kim | 0f18b46 | 2016-05-20 11:10:10 -0700 | [diff] [blame] | 1041 | DIRTY_META, /* for all dirtied inode metadata */ |
Jaegeuk Kim | 35e13ca | 2017-10-18 19:05:57 -0700 | [diff] [blame] | 1042 | ATOMIC_FILE, /* for all atomic files */ |
Chao Yu | c227f91 | 2015-12-16 13:09:20 +0800 | [diff] [blame] | 1043 | NR_INODE_TYPE, |
| 1044 | }; |
| 1045 | |
Chao Yu | 6729880 | 2014-11-18 11:18:36 +0800 | [diff] [blame] | 1046 | /* for inner inode cache management */ |
| 1047 | struct inode_management { |
| 1048 | struct radix_tree_root ino_root; /* ino entry array */ |
| 1049 | spinlock_t ino_lock; /* for ino entry lock */ |
| 1050 | struct list_head ino_list; /* inode list head */ |
| 1051 | unsigned long ino_num; /* number of entries */ |
| 1052 | }; |
| 1053 | |
Chao Yu | caf0047 | 2015-01-28 17:48:42 +0800 | [diff] [blame] | 1054 | /* For s_flag in struct f2fs_sb_info */ |
| 1055 | enum { |
| 1056 | SBI_IS_DIRTY, /* dirty flag for checkpoint */ |
| 1057 | SBI_IS_CLOSE, /* specify unmounting */ |
| 1058 | SBI_NEED_FSCK, /* need fsck.f2fs to fix */ |
| 1059 | SBI_POR_DOING, /* recovery is doing or not */ |
Jaegeuk Kim | df728b0 | 2016-03-23 17:05:27 -0700 | [diff] [blame] | 1060 | SBI_NEED_SB_WRITE, /* need to recover superblock */ |
Jaegeuk Kim | bbf156f | 2016-08-29 18:23:45 -0700 | [diff] [blame] | 1061 | SBI_NEED_CP, /* need to checkpoint */ |
Chao Yu | caf0047 | 2015-01-28 17:48:42 +0800 | [diff] [blame] | 1062 | }; |
| 1063 | |
Jaegeuk Kim | 6beceb5 | 2016-01-08 15:51:50 -0800 | [diff] [blame] | 1064 | enum { |
| 1065 | CP_TIME, |
Jaegeuk Kim | d0239e1 | 2016-01-08 16:57:48 -0800 | [diff] [blame] | 1066 | REQ_TIME, |
Jaegeuk Kim | 6beceb5 | 2016-01-08 15:51:50 -0800 | [diff] [blame] | 1067 | MAX_TIME, |
| 1068 | }; |
| 1069 | |
Hyunchul Lee | bcdc571 | 2018-01-31 11:36:57 +0900 | [diff] [blame] | 1070 | enum { |
| 1071 | WHINT_MODE_OFF, /* not pass down write hints */ |
| 1072 | WHINT_MODE_USER, /* try to pass down hints given by users */ |
Hyunchul Lee | 87c1806 | 2018-01-31 11:36:58 +0900 | [diff] [blame] | 1073 | WHINT_MODE_FS, /* pass down hints with F2FS policy */ |
Hyunchul Lee | bcdc571 | 2018-01-31 11:36:57 +0900 | [diff] [blame] | 1074 | }; |
| 1075 | |
Jaegeuk Kim | 78c1fc2 | 2018-02-18 08:50:49 -0800 | [diff] [blame] | 1076 | enum { |
| 1077 | ALLOC_MODE_DEFAULT, /* stay default */ |
| 1078 | ALLOC_MODE_REUSE, /* reuse segments as much as possible */ |
| 1079 | }; |
| 1080 | |
Junling Zheng | 9a95481 | 2018-03-07 12:07:49 +0800 | [diff] [blame] | 1081 | enum fsync_mode { |
| 1082 | FSYNC_MODE_POSIX, /* fsync follows posix semantics */ |
| 1083 | FSYNC_MODE_STRICT, /* fsync behaves in line with ext4 */ |
Jaegeuk Kim | 3a38cf1 | 2018-05-25 18:02:58 -0700 | [diff] [blame] | 1084 | FSYNC_MODE_NOBARRIER, /* fsync behaves nobarrier based on posix */ |
Junling Zheng | 9a95481 | 2018-03-07 12:07:49 +0800 | [diff] [blame] | 1085 | }; |
| 1086 | |
Sheng Yong | aa5bcfd | 2018-03-15 18:51:42 +0800 | [diff] [blame] | 1087 | #ifdef CONFIG_F2FS_FS_ENCRYPTION |
| 1088 | #define DUMMY_ENCRYPTION_ENABLED(sbi) \ |
| 1089 | (unlikely(F2FS_OPTION(sbi).test_dummy_encryption)) |
| 1090 | #else |
| 1091 | #define DUMMY_ENCRYPTION_ENABLED(sbi) (0) |
| 1092 | #endif |
| 1093 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1094 | struct f2fs_sb_info { |
| 1095 | struct super_block *sb; /* pointer to VFS super block */ |
Jaegeuk Kim | 5e176d5 | 2013-06-28 12:47:01 +0900 | [diff] [blame] | 1096 | struct proc_dir_entry *s_proc; /* proc entry */ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1097 | struct f2fs_super_block *raw_super; /* raw super block pointer */ |
Chao Yu | 1e72cb2 | 2018-02-26 22:04:13 +0800 | [diff] [blame] | 1098 | struct rw_semaphore sb_lock; /* lock for raw super block */ |
Chao Yu | e8240f6 | 2015-12-15 17:19:26 +0800 | [diff] [blame] | 1099 | int valid_super_block; /* valid super block no */ |
Chao Yu | fadb2fb | 2016-09-20 10:29:47 +0800 | [diff] [blame] | 1100 | unsigned long s_flag; /* flags for sbi */ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1101 | |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 1102 | #ifdef CONFIG_BLK_DEV_ZONED |
| 1103 | unsigned int blocks_per_blkz; /* F2FS blocks per zone */ |
| 1104 | unsigned int log_blocks_per_blkz; /* log2 F2FS blocks per zone */ |
Jaegeuk Kim | b5a7aef | 2016-05-04 22:05:01 -0700 | [diff] [blame] | 1105 | #endif |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 1106 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1107 | /* for node-related operations */ |
| 1108 | struct f2fs_nm_info *nm_info; /* node manager */ |
| 1109 | struct inode *node_inode; /* cache node blocks */ |
| 1110 | |
| 1111 | /* for segment-related operations */ |
| 1112 | struct f2fs_sm_info *sm_info; /* segment manager */ |
Jaegeuk Kim | 1ff7bd3 | 2013-11-19 12:47:22 +0900 | [diff] [blame] | 1113 | |
| 1114 | /* for bio operations */ |
Jaegeuk Kim | c412726 | 2017-05-10 11:18:25 -0700 | [diff] [blame] | 1115 | struct f2fs_bio_info *write_io[NR_PAGE_TYPE]; /* for write bios */ |
Chao Yu | 0650468 | 2017-05-19 23:37:00 +0800 | [diff] [blame] | 1116 | struct mutex wio_mutex[NR_PAGE_TYPE - 1][NR_TEMP_TYPE]; |
| 1117 | /* bio ordering for NODE/DATA */ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 1118 | mempool_t *write_io_dummy; /* Dummy pages */ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1119 | |
| 1120 | /* for checkpoint */ |
| 1121 | struct f2fs_checkpoint *ckpt; /* raw checkpoint pointer */ |
Jaegeuk Kim | 01e15b3 | 2016-11-24 12:45:15 -0800 | [diff] [blame] | 1122 | int cur_cp_pack; /* remain current cp pack */ |
Chao Yu | aaec2b1 | 2016-09-20 11:04:18 +0800 | [diff] [blame] | 1123 | spinlock_t cp_lock; /* for flag in ckpt */ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1124 | struct inode *meta_inode; /* cache meta blocks */ |
Jaegeuk Kim | 3993683 | 2012-11-22 16:21:29 +0900 | [diff] [blame] | 1125 | struct mutex cp_mutex; /* checkpoint procedure lock */ |
Jaegeuk Kim | b873b79 | 2016-08-04 11:38:25 -0700 | [diff] [blame] | 1126 | struct rw_semaphore cp_rwsem; /* blocking FS operations */ |
Chao Yu | b3582c6 | 2014-07-03 18:58:39 +0800 | [diff] [blame] | 1127 | struct rw_semaphore node_write; /* locking node writes */ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 1128 | struct rw_semaphore node_change; /* locking node change */ |
Changman Lee | fb51b5e | 2013-11-07 12:48:25 +0900 | [diff] [blame] | 1129 | wait_queue_head_t cp_wait; |
Jaegeuk Kim | 6beceb5 | 2016-01-08 15:51:50 -0800 | [diff] [blame] | 1130 | unsigned long last_time[MAX_TIME]; /* to store time in jiffies */ |
| 1131 | long interval_time[MAX_TIME]; /* to store thresholds */ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1132 | |
Chao Yu | 6729880 | 2014-11-18 11:18:36 +0800 | [diff] [blame] | 1133 | struct inode_management im[MAX_INO_ENTRY]; /* manage inode cache */ |
Jaegeuk Kim | 6451e04 | 2014-07-25 15:47:17 -0700 | [diff] [blame] | 1134 | |
| 1135 | /* for orphan inode, use 0'th array */ |
Gu Zheng | 0d47c1a | 2013-12-26 18:24:19 +0800 | [diff] [blame] | 1136 | unsigned int max_orphans; /* max orphan inodes */ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1137 | |
Chao Yu | c227f91 | 2015-12-16 13:09:20 +0800 | [diff] [blame] | 1138 | /* for inode management */ |
| 1139 | struct list_head inode_list[NR_INODE_TYPE]; /* dirty inode list */ |
| 1140 | spinlock_t inode_lock[NR_INODE_TYPE]; /* for dirty inode list lock */ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1141 | |
Chao Yu | 13054c5 | 2015-02-05 17:52:58 +0800 | [diff] [blame] | 1142 | /* for extent tree cache */ |
| 1143 | struct radix_tree_root extent_tree_root;/* cache extent cache entries */ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 1144 | struct mutex extent_tree_lock; /* locking extent radix tree */ |
Chao Yu | 13054c5 | 2015-02-05 17:52:58 +0800 | [diff] [blame] | 1145 | struct list_head extent_list; /* lru list for shrinker */ |
| 1146 | spinlock_t extent_lock; /* locking extent lru list */ |
Jaegeuk Kim | 7441cce | 2015-12-21 19:20:15 -0800 | [diff] [blame] | 1147 | atomic_t total_ext_tree; /* extent tree count */ |
Jaegeuk Kim | 137d09f | 2015-12-31 15:02:16 -0800 | [diff] [blame] | 1148 | struct list_head zombie_list; /* extent zombie tree list */ |
Jaegeuk Kim | 74fd8d9 | 2015-12-21 19:25:50 -0800 | [diff] [blame] | 1149 | atomic_t total_zombie_tree; /* extent zombie tree count */ |
Chao Yu | 13054c5 | 2015-02-05 17:52:58 +0800 | [diff] [blame] | 1150 | atomic_t total_ext_node; /* extent info count */ |
| 1151 | |
arter97 | e1c4204 | 2014-08-06 23:22:50 +0900 | [diff] [blame] | 1152 | /* basic filesystem units */ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1153 | unsigned int log_sectors_per_block; /* log2 sectors per block */ |
| 1154 | unsigned int log_blocksize; /* log2 block size */ |
| 1155 | unsigned int blocksize; /* block size */ |
| 1156 | unsigned int root_ino_num; /* root inode number*/ |
| 1157 | unsigned int node_ino_num; /* node inode number*/ |
| 1158 | unsigned int meta_ino_num; /* meta inode number*/ |
| 1159 | unsigned int log_blocks_per_seg; /* log2 blocks per segment */ |
| 1160 | unsigned int blocks_per_seg; /* blocks per segment */ |
| 1161 | unsigned int segs_per_sec; /* segments per section */ |
| 1162 | unsigned int secs_per_zone; /* sections per zone */ |
| 1163 | unsigned int total_sections; /* total section count */ |
| 1164 | unsigned int total_node_count; /* total node block count */ |
| 1165 | unsigned int total_valid_node_count; /* valid node block count */ |
Chao Yu | e0afc4d | 2015-12-31 14:35:37 +0800 | [diff] [blame] | 1166 | loff_t max_file_blocks; /* max block index of file */ |
Jaegeuk Kim | ab9fa66 | 2014-02-27 20:09:05 +0900 | [diff] [blame] | 1167 | int dir_level; /* directory level */ |
Chao Yu | b9f7387 | 2017-10-28 16:52:33 +0800 | [diff] [blame] | 1168 | unsigned int trigger_ssr_threshold; /* threshold to trigger ssr */ |
Sheng Yong | 1ed7533 | 2017-11-22 18:23:38 +0800 | [diff] [blame] | 1169 | int readdir_ra; /* readahead inode in readdir */ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1170 | |
| 1171 | block_t user_block_count; /* # of user blocks */ |
| 1172 | block_t total_valid_block_count; /* # of valid blocks */ |
Jaegeuk Kim | a66cdd9 | 2015-04-30 22:37:50 -0700 | [diff] [blame] | 1173 | block_t discard_blks; /* discard command candidats */ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1174 | block_t last_valid_block_count; /* for recovery */ |
Chao Yu | 026bd9d | 2017-06-26 16:24:41 +0800 | [diff] [blame] | 1175 | block_t reserved_blocks; /* configurable reserved blocks */ |
Yunlong Song | 68ab6f8 | 2017-10-27 20:45:05 +0800 | [diff] [blame] | 1176 | block_t current_reserved_blocks; /* current reserved blocks */ |
Chao Yu | 026bd9d | 2017-06-26 16:24:41 +0800 | [diff] [blame] | 1177 | |
Chao Yu | 09234be | 2017-11-16 16:59:14 +0800 | [diff] [blame] | 1178 | unsigned int nquota_files; /* # of quota sysfile */ |
| 1179 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1180 | u32 s_next_generation; /* for NFS support */ |
Jaegeuk Kim | 523be8a | 2016-05-13 12:36:58 -0700 | [diff] [blame] | 1181 | |
| 1182 | /* # of pages, see count_type */ |
Jaegeuk Kim | 725ba1a | 2016-10-20 19:09:57 -0700 | [diff] [blame] | 1183 | atomic_t nr_pages[NR_COUNT_TYPE]; |
Jaegeuk Kim | 41382ec | 2016-05-16 11:06:50 -0700 | [diff] [blame] | 1184 | /* # of allocated blocks */ |
| 1185 | struct percpu_counter alloc_valid_block_count; |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1186 | |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 1187 | /* writeback control */ |
| 1188 | atomic_t wb_sync_req; /* count # of WB_SYNC threads */ |
| 1189 | |
Jaegeuk Kim | 513c5f3 | 2016-05-16 11:42:32 -0700 | [diff] [blame] | 1190 | /* valid inode count */ |
| 1191 | struct percpu_counter total_valid_inode_count; |
| 1192 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1193 | struct f2fs_mount_info mount_opt; /* mount options */ |
| 1194 | |
| 1195 | /* for cleaning operations */ |
| 1196 | struct mutex gc_mutex; /* mutex for GC */ |
| 1197 | struct f2fs_gc_kthread *gc_thread; /* GC thread */ |
Jaegeuk Kim | 5ec4e49 | 2013-03-31 13:26:03 +0900 | [diff] [blame] | 1198 | unsigned int cur_victim_sec; /* current victim section num */ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1199 | |
Hou Pengyang | 4992ba2 | 2017-02-16 12:34:31 +0000 | [diff] [blame] | 1200 | /* threshold for converting bg victims for fg */ |
| 1201 | u64 fggc_threshold; |
| 1202 | |
Jaegeuk Kim | 9ce3d6b | 2017-12-07 16:25:39 -0800 | [diff] [blame] | 1203 | /* threshold for gc trials on pinned files */ |
| 1204 | u64 gc_pin_file_threshold; |
| 1205 | |
Jaegeuk Kim | b1c57c1 | 2014-01-08 13:45:08 +0900 | [diff] [blame] | 1206 | /* maximum # of trials to find a victim segment for SSR and GC */ |
| 1207 | unsigned int max_victim_search; |
| 1208 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1209 | /* |
| 1210 | * for stat information. |
| 1211 | * one is for the LFS mode, and the other is for the SSR mode. |
| 1212 | */ |
Namjae Jeon | 35b09d8 | 2013-05-23 22:57:53 +0900 | [diff] [blame] | 1213 | #ifdef CONFIG_F2FS_STAT_FS |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1214 | struct f2fs_stat_info *stat_info; /* FS status information */ |
| 1215 | unsigned int segment_count[2]; /* # of allocated segments */ |
| 1216 | unsigned int block_count[2]; /* # of allocated blocks */ |
Changman Lee | b9a2c25 | 2014-12-24 02:16:54 +0900 | [diff] [blame] | 1217 | atomic_t inplace_count; /* # of inplace update */ |
Chao Yu | 5b7ee37 | 2015-09-30 17:38:48 +0800 | [diff] [blame] | 1218 | atomic64_t total_hit_ext; /* # of lookup extent cache */ |
| 1219 | atomic64_t read_hit_rbtree; /* # of hit rbtree extent node */ |
| 1220 | atomic64_t read_hit_largest; /* # of hit largest extent node */ |
| 1221 | atomic64_t read_hit_cached; /* # of hit cached extent node */ |
Chao Yu | d5e8f6c | 2015-07-15 17:28:53 +0800 | [diff] [blame] | 1222 | atomic_t inline_xattr; /* # of inline_xattr inodes */ |
Chao Yu | 03e14d5 | 2014-12-08 19:08:20 +0800 | [diff] [blame] | 1223 | atomic_t inline_inode; /* # of inline_data inodes */ |
| 1224 | atomic_t inline_dir; /* # of inline_dentry inodes */ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 1225 | atomic_t aw_cnt; /* # of atomic writes */ |
| 1226 | atomic_t vw_cnt; /* # of volatile writes */ |
| 1227 | atomic_t max_aw_cnt; /* max # of atomic writes */ |
| 1228 | atomic_t max_vw_cnt; /* max # of volatile writes */ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1229 | int bg_gc; /* background gc calls */ |
Chao Yu | 33fbd51 | 2015-12-17 17:14:44 +0800 | [diff] [blame] | 1230 | unsigned int ndirty_inode[NR_INODE_TYPE]; /* # of dirty inodes */ |
Namjae Jeon | 35b09d8 | 2013-05-23 22:57:53 +0900 | [diff] [blame] | 1231 | #endif |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1232 | spinlock_t stat_lock; /* lock for stat operations */ |
Namjae Jeon | b59d0ba | 2013-08-04 23:09:40 +0900 | [diff] [blame] | 1233 | |
Chao Yu | c0fe488 | 2017-08-02 23:21:48 +0800 | [diff] [blame] | 1234 | /* For app/fs IO statistics */ |
| 1235 | spinlock_t iostat_lock; |
| 1236 | unsigned long long write_iostat[NR_IO_TYPE]; |
| 1237 | bool iostat_enable; |
| 1238 | |
Namjae Jeon | b59d0ba | 2013-08-04 23:09:40 +0900 | [diff] [blame] | 1239 | /* For sysfs suppport */ |
| 1240 | struct kobject s_kobj; |
| 1241 | struct completion s_kobj_unregister; |
Jaegeuk Kim | 2658e50 | 2015-06-19 12:01:21 -0700 | [diff] [blame] | 1242 | |
| 1243 | /* For shrinker support */ |
| 1244 | struct list_head s_list; |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 1245 | int s_ndevs; /* number of devices */ |
| 1246 | struct f2fs_dev_info *devs; /* for device list */ |
Chao Yu | fd6422e | 2017-09-29 13:59:39 +0800 | [diff] [blame] | 1247 | unsigned int dirty_device; /* for checkpoint data flush */ |
| 1248 | spinlock_t dev_lock; /* protect dirty_device */ |
Jaegeuk Kim | 2658e50 | 2015-06-19 12:01:21 -0700 | [diff] [blame] | 1249 | struct mutex umount_mutex; |
| 1250 | unsigned int shrinker_run_no; |
Shuoran Liu | 8f1dbbb | 2016-01-27 09:57:30 +0800 | [diff] [blame] | 1251 | |
| 1252 | /* For write statistics */ |
| 1253 | u64 sectors_written_start; |
| 1254 | u64 kbytes_written; |
Keith Mok | 43b6573 | 2016-03-02 12:04:24 -0800 | [diff] [blame] | 1255 | |
| 1256 | /* Reference to checksum algorithm driver via cryptoapi */ |
| 1257 | struct crypto_shash *s_chksum_driver; |
Chao Yu | 1ecc0c5 | 2016-09-23 21:30:09 +0800 | [diff] [blame] | 1258 | |
Chao Yu | 4310125 | 2017-07-31 20:19:09 +0800 | [diff] [blame] | 1259 | /* Precomputed FS UUID checksum for seeding other checksums */ |
| 1260 | __u32 s_chksum_seed; |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1261 | }; |
| 1262 | |
Chao Yu | 1ecc0c5 | 2016-09-23 21:30:09 +0800 | [diff] [blame] | 1263 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 1264 | #define f2fs_show_injection_info(type) \ |
| 1265 | printk("%sF2FS-fs : inject %s in %s of %pF\n", \ |
| 1266 | KERN_INFO, fault_name[type], \ |
| 1267 | __func__, __builtin_return_address(0)) |
Chao Yu | 1ecc0c5 | 2016-09-23 21:30:09 +0800 | [diff] [blame] | 1268 | static inline bool time_to_inject(struct f2fs_sb_info *sbi, int type) |
| 1269 | { |
Chao Yu | e9a50e6 | 2018-03-08 14:22:56 +0800 | [diff] [blame] | 1270 | struct f2fs_fault_info *ffi = &F2FS_OPTION(sbi).fault_info; |
Chao Yu | 1ecc0c5 | 2016-09-23 21:30:09 +0800 | [diff] [blame] | 1271 | |
| 1272 | if (!ffi->inject_rate) |
| 1273 | return false; |
| 1274 | |
| 1275 | if (!IS_FAULT_SET(ffi, type)) |
| 1276 | return false; |
| 1277 | |
| 1278 | atomic_inc(&ffi->inject_ops); |
| 1279 | if (atomic_read(&ffi->inject_ops) >= ffi->inject_rate) { |
| 1280 | atomic_set(&ffi->inject_ops, 0); |
Chao Yu | 1ecc0c5 | 2016-09-23 21:30:09 +0800 | [diff] [blame] | 1281 | return true; |
| 1282 | } |
| 1283 | return false; |
| 1284 | } |
| 1285 | #endif |
| 1286 | |
Shuoran Liu | 8f1dbbb | 2016-01-27 09:57:30 +0800 | [diff] [blame] | 1287 | /* For write statistics. Suppose sector size is 512 bytes, |
| 1288 | * and the return value is in kbytes. s is of struct f2fs_sb_info. |
| 1289 | */ |
| 1290 | #define BD_PART_WRITTEN(s) \ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 1291 | (((u64)part_stat_read((s)->sb->s_bdev->bd_part, sectors[1]) - \ |
| 1292 | (s)->sectors_written_start) >> 1) |
Shuoran Liu | 8f1dbbb | 2016-01-27 09:57:30 +0800 | [diff] [blame] | 1293 | |
Jaegeuk Kim | 6beceb5 | 2016-01-08 15:51:50 -0800 | [diff] [blame] | 1294 | static inline void f2fs_update_time(struct f2fs_sb_info *sbi, int type) |
| 1295 | { |
| 1296 | sbi->last_time[type] = jiffies; |
| 1297 | } |
| 1298 | |
| 1299 | static inline bool f2fs_time_over(struct f2fs_sb_info *sbi, int type) |
| 1300 | { |
Arnd Bergmann | bf823c8 | 2017-10-19 11:52:47 +0200 | [diff] [blame] | 1301 | unsigned long interval = sbi->interval_time[type] * HZ; |
Jaegeuk Kim | 6beceb5 | 2016-01-08 15:51:50 -0800 | [diff] [blame] | 1302 | |
| 1303 | return time_after(jiffies, sbi->last_time[type] + interval); |
| 1304 | } |
| 1305 | |
Jaegeuk Kim | d0239e1 | 2016-01-08 16:57:48 -0800 | [diff] [blame] | 1306 | static inline bool is_idle(struct f2fs_sb_info *sbi) |
| 1307 | { |
| 1308 | struct block_device *bdev = sbi->sb->s_bdev; |
| 1309 | struct request_queue *q = bdev_get_queue(bdev); |
| 1310 | struct request_list *rl = &q->root_rl; |
| 1311 | |
| 1312 | if (rl->count[BLK_RW_SYNC] || rl->count[BLK_RW_ASYNC]) |
| 1313 | return 0; |
| 1314 | |
| 1315 | return f2fs_time_over(sbi, REQ_TIME); |
| 1316 | } |
| 1317 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1318 | /* |
| 1319 | * Inline functions |
| 1320 | */ |
Chao Yu | d7714cb | 2017-11-30 19:28:21 +0800 | [diff] [blame] | 1321 | static inline u32 __f2fs_crc32(struct f2fs_sb_info *sbi, u32 crc, |
Chao Yu | 4310125 | 2017-07-31 20:19:09 +0800 | [diff] [blame] | 1322 | const void *address, unsigned int length) |
| 1323 | { |
| 1324 | struct { |
| 1325 | struct shash_desc shash; |
| 1326 | char ctx[4]; |
| 1327 | } desc; |
| 1328 | int err; |
| 1329 | |
| 1330 | BUG_ON(crypto_shash_descsize(sbi->s_chksum_driver) != sizeof(desc.ctx)); |
| 1331 | |
| 1332 | desc.shash.tfm = sbi->s_chksum_driver; |
| 1333 | desc.shash.flags = 0; |
| 1334 | *(u32 *)desc.ctx = crc; |
| 1335 | |
| 1336 | err = crypto_shash_update(&desc.shash, address, length); |
| 1337 | BUG_ON(err); |
| 1338 | |
| 1339 | return *(u32 *)desc.ctx; |
| 1340 | } |
| 1341 | |
Chao Yu | d7714cb | 2017-11-30 19:28:21 +0800 | [diff] [blame] | 1342 | static inline u32 f2fs_crc32(struct f2fs_sb_info *sbi, const void *address, |
| 1343 | unsigned int length) |
| 1344 | { |
| 1345 | return __f2fs_crc32(sbi, F2FS_SUPER_MAGIC, address, length); |
| 1346 | } |
| 1347 | |
| 1348 | static inline bool f2fs_crc_valid(struct f2fs_sb_info *sbi, __u32 blk_crc, |
| 1349 | void *buf, size_t buf_size) |
| 1350 | { |
| 1351 | return f2fs_crc32(sbi, buf, buf_size) == blk_crc; |
| 1352 | } |
| 1353 | |
| 1354 | static inline u32 f2fs_chksum(struct f2fs_sb_info *sbi, u32 crc, |
| 1355 | const void *address, unsigned int length) |
| 1356 | { |
| 1357 | return __f2fs_crc32(sbi, crc, address, length); |
| 1358 | } |
| 1359 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1360 | static inline struct f2fs_inode_info *F2FS_I(struct inode *inode) |
| 1361 | { |
| 1362 | return container_of(inode, struct f2fs_inode_info, vfs_inode); |
| 1363 | } |
| 1364 | |
| 1365 | static inline struct f2fs_sb_info *F2FS_SB(struct super_block *sb) |
| 1366 | { |
| 1367 | return sb->s_fs_info; |
| 1368 | } |
| 1369 | |
Jaegeuk Kim | 4081363 | 2014-09-02 15:31:18 -0700 | [diff] [blame] | 1370 | static inline struct f2fs_sb_info *F2FS_I_SB(struct inode *inode) |
| 1371 | { |
| 1372 | return F2FS_SB(inode->i_sb); |
| 1373 | } |
| 1374 | |
| 1375 | static inline struct f2fs_sb_info *F2FS_M_SB(struct address_space *mapping) |
| 1376 | { |
| 1377 | return F2FS_I_SB(mapping->host); |
| 1378 | } |
| 1379 | |
| 1380 | static inline struct f2fs_sb_info *F2FS_P_SB(struct page *page) |
| 1381 | { |
| 1382 | return F2FS_M_SB(page->mapping); |
| 1383 | } |
| 1384 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1385 | static inline struct f2fs_super_block *F2FS_RAW_SUPER(struct f2fs_sb_info *sbi) |
| 1386 | { |
| 1387 | return (struct f2fs_super_block *)(sbi->raw_super); |
| 1388 | } |
| 1389 | |
| 1390 | static inline struct f2fs_checkpoint *F2FS_CKPT(struct f2fs_sb_info *sbi) |
| 1391 | { |
| 1392 | return (struct f2fs_checkpoint *)(sbi->ckpt); |
| 1393 | } |
| 1394 | |
Gu Zheng | 4559071 | 2013-07-15 17:57:38 +0800 | [diff] [blame] | 1395 | static inline struct f2fs_node *F2FS_NODE(struct page *page) |
| 1396 | { |
| 1397 | return (struct f2fs_node *)page_address(page); |
| 1398 | } |
| 1399 | |
Jaegeuk Kim | 58bfaf4 | 2013-12-26 16:30:41 +0900 | [diff] [blame] | 1400 | static inline struct f2fs_inode *F2FS_INODE(struct page *page) |
| 1401 | { |
| 1402 | return &((struct f2fs_node *)page_address(page))->i; |
| 1403 | } |
| 1404 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1405 | static inline struct f2fs_nm_info *NM_I(struct f2fs_sb_info *sbi) |
| 1406 | { |
| 1407 | return (struct f2fs_nm_info *)(sbi->nm_info); |
| 1408 | } |
| 1409 | |
| 1410 | static inline struct f2fs_sm_info *SM_I(struct f2fs_sb_info *sbi) |
| 1411 | { |
| 1412 | return (struct f2fs_sm_info *)(sbi->sm_info); |
| 1413 | } |
| 1414 | |
| 1415 | static inline struct sit_info *SIT_I(struct f2fs_sb_info *sbi) |
| 1416 | { |
| 1417 | return (struct sit_info *)(SM_I(sbi)->sit_info); |
| 1418 | } |
| 1419 | |
| 1420 | static inline struct free_segmap_info *FREE_I(struct f2fs_sb_info *sbi) |
| 1421 | { |
| 1422 | return (struct free_segmap_info *)(SM_I(sbi)->free_info); |
| 1423 | } |
| 1424 | |
| 1425 | static inline struct dirty_seglist_info *DIRTY_I(struct f2fs_sb_info *sbi) |
| 1426 | { |
| 1427 | return (struct dirty_seglist_info *)(SM_I(sbi)->dirty_info); |
| 1428 | } |
| 1429 | |
Gu Zheng | 9df27d9 | 2014-01-20 18:37:04 +0800 | [diff] [blame] | 1430 | static inline struct address_space *META_MAPPING(struct f2fs_sb_info *sbi) |
| 1431 | { |
| 1432 | return sbi->meta_inode->i_mapping; |
| 1433 | } |
| 1434 | |
Jaegeuk Kim | 4ef51a8 | 2014-01-21 18:51:16 +0900 | [diff] [blame] | 1435 | static inline struct address_space *NODE_MAPPING(struct f2fs_sb_info *sbi) |
| 1436 | { |
| 1437 | return sbi->node_inode->i_mapping; |
| 1438 | } |
| 1439 | |
Chao Yu | caf0047 | 2015-01-28 17:48:42 +0800 | [diff] [blame] | 1440 | static inline bool is_sbi_flag_set(struct f2fs_sb_info *sbi, unsigned int type) |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1441 | { |
Chao Yu | fadb2fb | 2016-09-20 10:29:47 +0800 | [diff] [blame] | 1442 | return test_bit(type, &sbi->s_flag); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1443 | } |
| 1444 | |
Chao Yu | caf0047 | 2015-01-28 17:48:42 +0800 | [diff] [blame] | 1445 | static inline void set_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type) |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1446 | { |
Chao Yu | fadb2fb | 2016-09-20 10:29:47 +0800 | [diff] [blame] | 1447 | set_bit(type, &sbi->s_flag); |
Chao Yu | caf0047 | 2015-01-28 17:48:42 +0800 | [diff] [blame] | 1448 | } |
| 1449 | |
| 1450 | static inline void clear_sbi_flag(struct f2fs_sb_info *sbi, unsigned int type) |
| 1451 | { |
Chao Yu | fadb2fb | 2016-09-20 10:29:47 +0800 | [diff] [blame] | 1452 | clear_bit(type, &sbi->s_flag); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1453 | } |
| 1454 | |
Jaegeuk Kim | d71b556 | 2013-08-09 15:03:21 +0900 | [diff] [blame] | 1455 | static inline unsigned long long cur_cp_version(struct f2fs_checkpoint *cp) |
| 1456 | { |
| 1457 | return le64_to_cpu(cp->checkpoint_ver); |
| 1458 | } |
| 1459 | |
Jaegeuk Kim | 0108c48 | 2017-10-06 09:14:28 -0700 | [diff] [blame] | 1460 | static inline unsigned long f2fs_qf_ino(struct super_block *sb, int type) |
| 1461 | { |
| 1462 | if (type < F2FS_MAX_QUOTAS) |
| 1463 | return le32_to_cpu(F2FS_SB(sb)->raw_super->qf_ino[type]); |
| 1464 | return 0; |
| 1465 | } |
| 1466 | |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 1467 | static inline __u64 cur_cp_crc(struct f2fs_checkpoint *cp) |
| 1468 | { |
| 1469 | size_t crc_offset = le32_to_cpu(cp->checksum_offset); |
| 1470 | return le32_to_cpu(*((__le32 *)((unsigned char *)cp + crc_offset))); |
| 1471 | } |
| 1472 | |
Chao Yu | aaec2b1 | 2016-09-20 11:04:18 +0800 | [diff] [blame] | 1473 | static inline bool __is_set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) |
Jaegeuk Kim | 25ca923 | 2012-11-28 16:12:41 +0900 | [diff] [blame] | 1474 | { |
| 1475 | unsigned int ckpt_flags = le32_to_cpu(cp->ckpt_flags); |
Chao Yu | aaec2b1 | 2016-09-20 11:04:18 +0800 | [diff] [blame] | 1476 | |
Jaegeuk Kim | 25ca923 | 2012-11-28 16:12:41 +0900 | [diff] [blame] | 1477 | return ckpt_flags & f; |
| 1478 | } |
| 1479 | |
Chao Yu | aaec2b1 | 2016-09-20 11:04:18 +0800 | [diff] [blame] | 1480 | static inline bool is_set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) |
Jaegeuk Kim | 25ca923 | 2012-11-28 16:12:41 +0900 | [diff] [blame] | 1481 | { |
Chao Yu | aaec2b1 | 2016-09-20 11:04:18 +0800 | [diff] [blame] | 1482 | return __is_set_ckpt_flags(F2FS_CKPT(sbi), f); |
| 1483 | } |
| 1484 | |
| 1485 | static inline void __set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) |
| 1486 | { |
| 1487 | unsigned int ckpt_flags; |
| 1488 | |
| 1489 | ckpt_flags = le32_to_cpu(cp->ckpt_flags); |
Jaegeuk Kim | 25ca923 | 2012-11-28 16:12:41 +0900 | [diff] [blame] | 1490 | ckpt_flags |= f; |
| 1491 | cp->ckpt_flags = cpu_to_le32(ckpt_flags); |
| 1492 | } |
| 1493 | |
Chao Yu | aaec2b1 | 2016-09-20 11:04:18 +0800 | [diff] [blame] | 1494 | static inline void set_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) |
Jaegeuk Kim | 25ca923 | 2012-11-28 16:12:41 +0900 | [diff] [blame] | 1495 | { |
Chao Yu | 67295cd | 2017-07-07 14:10:15 +0800 | [diff] [blame] | 1496 | unsigned long flags; |
| 1497 | |
| 1498 | spin_lock_irqsave(&sbi->cp_lock, flags); |
Chao Yu | aaec2b1 | 2016-09-20 11:04:18 +0800 | [diff] [blame] | 1499 | __set_ckpt_flags(F2FS_CKPT(sbi), f); |
Chao Yu | 67295cd | 2017-07-07 14:10:15 +0800 | [diff] [blame] | 1500 | spin_unlock_irqrestore(&sbi->cp_lock, flags); |
Chao Yu | aaec2b1 | 2016-09-20 11:04:18 +0800 | [diff] [blame] | 1501 | } |
| 1502 | |
| 1503 | static inline void __clear_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f) |
| 1504 | { |
| 1505 | unsigned int ckpt_flags; |
| 1506 | |
| 1507 | ckpt_flags = le32_to_cpu(cp->ckpt_flags); |
Jaegeuk Kim | 25ca923 | 2012-11-28 16:12:41 +0900 | [diff] [blame] | 1508 | ckpt_flags &= (~f); |
| 1509 | cp->ckpt_flags = cpu_to_le32(ckpt_flags); |
| 1510 | } |
| 1511 | |
Chao Yu | aaec2b1 | 2016-09-20 11:04:18 +0800 | [diff] [blame] | 1512 | static inline void clear_ckpt_flags(struct f2fs_sb_info *sbi, unsigned int f) |
| 1513 | { |
Chao Yu | 67295cd | 2017-07-07 14:10:15 +0800 | [diff] [blame] | 1514 | unsigned long flags; |
| 1515 | |
| 1516 | spin_lock_irqsave(&sbi->cp_lock, flags); |
Chao Yu | aaec2b1 | 2016-09-20 11:04:18 +0800 | [diff] [blame] | 1517 | __clear_ckpt_flags(F2FS_CKPT(sbi), f); |
Chao Yu | 67295cd | 2017-07-07 14:10:15 +0800 | [diff] [blame] | 1518 | spin_unlock_irqrestore(&sbi->cp_lock, flags); |
Chao Yu | aaec2b1 | 2016-09-20 11:04:18 +0800 | [diff] [blame] | 1519 | } |
| 1520 | |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 1521 | static inline void disable_nat_bits(struct f2fs_sb_info *sbi, bool lock) |
Jaegeuk Kim | 3e02574 | 2016-08-02 10:56:40 -0700 | [diff] [blame] | 1522 | { |
Chao Yu | 67295cd | 2017-07-07 14:10:15 +0800 | [diff] [blame] | 1523 | unsigned long flags; |
| 1524 | |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 1525 | set_sbi_flag(sbi, SBI_NEED_FSCK); |
Jaegeuk Kim | 3e02574 | 2016-08-02 10:56:40 -0700 | [diff] [blame] | 1526 | |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 1527 | if (lock) |
Chao Yu | 67295cd | 2017-07-07 14:10:15 +0800 | [diff] [blame] | 1528 | spin_lock_irqsave(&sbi->cp_lock, flags); |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 1529 | __clear_ckpt_flags(F2FS_CKPT(sbi), CP_NAT_BITS_FLAG); |
| 1530 | kfree(NM_I(sbi)->nat_bits); |
| 1531 | NM_I(sbi)->nat_bits = NULL; |
| 1532 | if (lock) |
Chao Yu | 67295cd | 2017-07-07 14:10:15 +0800 | [diff] [blame] | 1533 | spin_unlock_irqrestore(&sbi->cp_lock, flags); |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 1534 | } |
| 1535 | |
| 1536 | static inline bool enabled_nat_bits(struct f2fs_sb_info *sbi, |
| 1537 | struct cp_control *cpc) |
| 1538 | { |
| 1539 | bool set = is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG); |
| 1540 | |
| 1541 | return (cpc) ? (cpc->reason & CP_UMOUNT) && set : set; |
Jaegeuk Kim | 3e02574 | 2016-08-02 10:56:40 -0700 | [diff] [blame] | 1542 | } |
| 1543 | |
Gu Zheng | e479556 | 2013-09-27 18:08:30 +0800 | [diff] [blame] | 1544 | static inline void f2fs_lock_op(struct f2fs_sb_info *sbi) |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1545 | { |
Jaegeuk Kim | b873b79 | 2016-08-04 11:38:25 -0700 | [diff] [blame] | 1546 | down_read(&sbi->cp_rwsem); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1547 | } |
| 1548 | |
Jaegeuk Kim | 1b48ed6 | 2017-05-12 13:51:34 -0700 | [diff] [blame] | 1549 | static inline int f2fs_trylock_op(struct f2fs_sb_info *sbi) |
| 1550 | { |
| 1551 | return down_read_trylock(&sbi->cp_rwsem); |
| 1552 | } |
| 1553 | |
Gu Zheng | e479556 | 2013-09-27 18:08:30 +0800 | [diff] [blame] | 1554 | static inline void f2fs_unlock_op(struct f2fs_sb_info *sbi) |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1555 | { |
Jaegeuk Kim | b873b79 | 2016-08-04 11:38:25 -0700 | [diff] [blame] | 1556 | up_read(&sbi->cp_rwsem); |
Jaegeuk Kim | 3993683 | 2012-11-22 16:21:29 +0900 | [diff] [blame] | 1557 | } |
| 1558 | |
Gu Zheng | e479556 | 2013-09-27 18:08:30 +0800 | [diff] [blame] | 1559 | static inline void f2fs_lock_all(struct f2fs_sb_info *sbi) |
Jaegeuk Kim | 3993683 | 2012-11-22 16:21:29 +0900 | [diff] [blame] | 1560 | { |
Jaegeuk Kim | b873b79 | 2016-08-04 11:38:25 -0700 | [diff] [blame] | 1561 | down_write(&sbi->cp_rwsem); |
Jaegeuk Kim | 3993683 | 2012-11-22 16:21:29 +0900 | [diff] [blame] | 1562 | } |
| 1563 | |
Gu Zheng | e479556 | 2013-09-27 18:08:30 +0800 | [diff] [blame] | 1564 | static inline void f2fs_unlock_all(struct f2fs_sb_info *sbi) |
Jaegeuk Kim | 3993683 | 2012-11-22 16:21:29 +0900 | [diff] [blame] | 1565 | { |
Jaegeuk Kim | b873b79 | 2016-08-04 11:38:25 -0700 | [diff] [blame] | 1566 | up_write(&sbi->cp_rwsem); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1567 | } |
| 1568 | |
Jaegeuk Kim | 119ee91 | 2015-01-29 11:45:33 -0800 | [diff] [blame] | 1569 | static inline int __get_cp_reason(struct f2fs_sb_info *sbi) |
| 1570 | { |
| 1571 | int reason = CP_SYNC; |
| 1572 | |
| 1573 | if (test_opt(sbi, FASTBOOT)) |
| 1574 | reason = CP_FASTBOOT; |
| 1575 | if (is_sbi_flag_set(sbi, SBI_IS_CLOSE)) |
| 1576 | reason = CP_UMOUNT; |
| 1577 | return reason; |
| 1578 | } |
| 1579 | |
| 1580 | static inline bool __remain_node_summaries(int reason) |
| 1581 | { |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 1582 | return (reason & (CP_UMOUNT | CP_FASTBOOT)); |
Jaegeuk Kim | 119ee91 | 2015-01-29 11:45:33 -0800 | [diff] [blame] | 1583 | } |
| 1584 | |
| 1585 | static inline bool __exist_node_summaries(struct f2fs_sb_info *sbi) |
| 1586 | { |
Chao Yu | aaec2b1 | 2016-09-20 11:04:18 +0800 | [diff] [blame] | 1587 | return (is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG) || |
| 1588 | is_set_ckpt_flags(sbi, CP_FASTBOOT_FLAG)); |
Jaegeuk Kim | 119ee91 | 2015-01-29 11:45:33 -0800 | [diff] [blame] | 1589 | } |
| 1590 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1591 | /* |
| 1592 | * Check whether the given nid is within node id range. |
| 1593 | */ |
Namjae Jeon | 064e082 | 2013-03-17 17:27:20 +0900 | [diff] [blame] | 1594 | static inline int check_nid_range(struct f2fs_sb_info *sbi, nid_t nid) |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1595 | { |
Chao Yu | d6b7d4b | 2014-06-12 13:23:41 +0800 | [diff] [blame] | 1596 | if (unlikely(nid < F2FS_ROOT_INO(sbi))) |
| 1597 | return -EINVAL; |
Chao Yu | cfb271d | 2013-12-05 17:15:22 +0800 | [diff] [blame] | 1598 | if (unlikely(nid >= NM_I(sbi)->max_nid)) |
Namjae Jeon | 064e082 | 2013-03-17 17:27:20 +0900 | [diff] [blame] | 1599 | return -EINVAL; |
| 1600 | return 0; |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1601 | } |
| 1602 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1603 | /* |
| 1604 | * Check whether the inode has blocks or not |
| 1605 | */ |
| 1606 | static inline int F2FS_HAS_BLOCKS(struct inode *inode) |
| 1607 | { |
Chao Yu | 56a0d93 | 2017-06-14 23:00:56 +0800 | [diff] [blame] | 1608 | block_t xattr_block = F2FS_I(inode)->i_xattr_nid ? 1 : 0; |
| 1609 | |
Chao Yu | d9bfbbb | 2017-07-06 01:11:31 +0800 | [diff] [blame] | 1610 | return (inode->i_blocks >> F2FS_LOG_SECTORS_PER_BLOCK) > xattr_block; |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1611 | } |
| 1612 | |
Chao Yu | 4bc8e9b | 2014-03-17 16:35:06 +0800 | [diff] [blame] | 1613 | static inline bool f2fs_has_xattr_block(unsigned int ofs) |
| 1614 | { |
| 1615 | return ofs == XATTR_NODE_OFFSET; |
| 1616 | } |
| 1617 | |
Jaegeuk Kim | 4be98c9 | 2018-01-05 16:02:36 -0800 | [diff] [blame] | 1618 | static inline bool __allow_reserved_blocks(struct f2fs_sb_info *sbi, |
Jaegeuk Kim | c8fb245 | 2018-04-20 23:44:59 -0700 | [diff] [blame] | 1619 | struct inode *inode, bool cap) |
Jaegeuk Kim | 462d762 | 2018-01-04 21:36:09 -0800 | [diff] [blame] | 1620 | { |
Jaegeuk Kim | 4be98c9 | 2018-01-05 16:02:36 -0800 | [diff] [blame] | 1621 | if (!inode) |
| 1622 | return true; |
Jaegeuk Kim | 462d762 | 2018-01-04 21:36:09 -0800 | [diff] [blame] | 1623 | if (!test_opt(sbi, RESERVE_ROOT)) |
| 1624 | return false; |
Jaegeuk Kim | 4be98c9 | 2018-01-05 16:02:36 -0800 | [diff] [blame] | 1625 | if (IS_NOQUOTA(inode)) |
| 1626 | return true; |
Chao Yu | e9a50e6 | 2018-03-08 14:22:56 +0800 | [diff] [blame] | 1627 | if (uid_eq(F2FS_OPTION(sbi).s_resuid, current_fsuid())) |
Jaegeuk Kim | 462d762 | 2018-01-04 21:36:09 -0800 | [diff] [blame] | 1628 | return true; |
Chao Yu | e9a50e6 | 2018-03-08 14:22:56 +0800 | [diff] [blame] | 1629 | if (!gid_eq(F2FS_OPTION(sbi).s_resgid, GLOBAL_ROOT_GID) && |
| 1630 | in_group_p(F2FS_OPTION(sbi).s_resgid)) |
Jaegeuk Kim | 462d762 | 2018-01-04 21:36:09 -0800 | [diff] [blame] | 1631 | return true; |
Jaegeuk Kim | c8fb245 | 2018-04-20 23:44:59 -0700 | [diff] [blame] | 1632 | if (cap && capable(CAP_SYS_RESOURCE)) |
Jaegeuk Kim | c07478e | 2018-03-08 20:47:33 -0800 | [diff] [blame] | 1633 | return true; |
Jaegeuk Kim | 462d762 | 2018-01-04 21:36:09 -0800 | [diff] [blame] | 1634 | return false; |
| 1635 | } |
| 1636 | |
Chao Yu | 09c3a72 | 2017-07-09 00:13:07 +0800 | [diff] [blame] | 1637 | static inline void f2fs_i_blocks_write(struct inode *, block_t, bool, bool); |
| 1638 | static inline int inc_valid_block_count(struct f2fs_sb_info *sbi, |
Chao Yu | 46008c6 | 2016-05-09 19:56:30 +0800 | [diff] [blame] | 1639 | struct inode *inode, blkcnt_t *count) |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1640 | { |
Chao Yu | 09c3a72 | 2017-07-09 00:13:07 +0800 | [diff] [blame] | 1641 | blkcnt_t diff = 0, release = 0; |
Chao Yu | 026bd9d | 2017-06-26 16:24:41 +0800 | [diff] [blame] | 1642 | block_t avail_user_block_count; |
Chao Yu | 09c3a72 | 2017-07-09 00:13:07 +0800 | [diff] [blame] | 1643 | int ret; |
| 1644 | |
| 1645 | ret = dquot_reserve_block(inode, *count); |
| 1646 | if (ret) |
| 1647 | return ret; |
Jaegeuk Kim | dd11a5d | 2016-07-19 19:20:11 -0700 | [diff] [blame] | 1648 | |
Jaegeuk Kim | cb78942 | 2016-04-29 16:29:22 -0700 | [diff] [blame] | 1649 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 1650 | if (time_to_inject(sbi, FAULT_BLOCK)) { |
| 1651 | f2fs_show_injection_info(FAULT_BLOCK); |
Chao Yu | 09c3a72 | 2017-07-09 00:13:07 +0800 | [diff] [blame] | 1652 | release = *count; |
| 1653 | goto enospc; |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 1654 | } |
Jaegeuk Kim | cb78942 | 2016-04-29 16:29:22 -0700 | [diff] [blame] | 1655 | #endif |
Jaegeuk Kim | dd11a5d | 2016-07-19 19:20:11 -0700 | [diff] [blame] | 1656 | /* |
| 1657 | * let's increase this in prior to actual block count change in order |
| 1658 | * for f2fs_sync_file to avoid data races when deciding checkpoint. |
| 1659 | */ |
| 1660 | percpu_counter_add(&sbi->alloc_valid_block_count, (*count)); |
Chao Yu | cfb271d | 2013-12-05 17:15:22 +0800 | [diff] [blame] | 1661 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1662 | spin_lock(&sbi->stat_lock); |
Jaegeuk Kim | 2555a2d | 2016-06-30 19:02:06 -0700 | [diff] [blame] | 1663 | sbi->total_valid_block_count += (block_t)(*count); |
Yunlong Song | 68ab6f8 | 2017-10-27 20:45:05 +0800 | [diff] [blame] | 1664 | avail_user_block_count = sbi->user_block_count - |
| 1665 | sbi->current_reserved_blocks; |
Jaegeuk Kim | 5fee540 | 2017-12-27 15:05:52 -0800 | [diff] [blame] | 1666 | |
Jaegeuk Kim | c8fb245 | 2018-04-20 23:44:59 -0700 | [diff] [blame] | 1667 | if (!__allow_reserved_blocks(sbi, inode, true)) |
Chao Yu | e9a50e6 | 2018-03-08 14:22:56 +0800 | [diff] [blame] | 1668 | avail_user_block_count -= F2FS_OPTION(sbi).root_reserved_blocks; |
Jaegeuk Kim | 5fee540 | 2017-12-27 15:05:52 -0800 | [diff] [blame] | 1669 | |
Chao Yu | 026bd9d | 2017-06-26 16:24:41 +0800 | [diff] [blame] | 1670 | if (unlikely(sbi->total_valid_block_count > avail_user_block_count)) { |
| 1671 | diff = sbi->total_valid_block_count - avail_user_block_count; |
Jaegeuk Kim | 5fee540 | 2017-12-27 15:05:52 -0800 | [diff] [blame] | 1672 | if (diff > *count) |
| 1673 | diff = *count; |
Jaegeuk Kim | dd11a5d | 2016-07-19 19:20:11 -0700 | [diff] [blame] | 1674 | *count -= diff; |
Chao Yu | 09c3a72 | 2017-07-09 00:13:07 +0800 | [diff] [blame] | 1675 | release = diff; |
Jaegeuk Kim | 5fee540 | 2017-12-27 15:05:52 -0800 | [diff] [blame] | 1676 | sbi->total_valid_block_count -= diff; |
Chao Yu | 46008c6 | 2016-05-09 19:56:30 +0800 | [diff] [blame] | 1677 | if (!*count) { |
| 1678 | spin_unlock(&sbi->stat_lock); |
Jaegeuk Kim | dd11a5d | 2016-07-19 19:20:11 -0700 | [diff] [blame] | 1679 | percpu_counter_sub(&sbi->alloc_valid_block_count, diff); |
Chao Yu | 09c3a72 | 2017-07-09 00:13:07 +0800 | [diff] [blame] | 1680 | goto enospc; |
Chao Yu | 46008c6 | 2016-05-09 19:56:30 +0800 | [diff] [blame] | 1681 | } |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1682 | } |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1683 | spin_unlock(&sbi->stat_lock); |
Jaegeuk Kim | 41382ec | 2016-05-16 11:06:50 -0700 | [diff] [blame] | 1684 | |
LiFan | fdd41a8 | 2017-12-05 16:38:01 +0800 | [diff] [blame] | 1685 | if (unlikely(release)) |
Chao Yu | 09c3a72 | 2017-07-09 00:13:07 +0800 | [diff] [blame] | 1686 | dquot_release_reservation_block(inode, release); |
| 1687 | f2fs_i_blocks_write(inode, *count, true, true); |
| 1688 | return 0; |
| 1689 | |
| 1690 | enospc: |
| 1691 | dquot_release_reservation_block(inode, release); |
| 1692 | return -ENOSPC; |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1693 | } |
| 1694 | |
Gu Zheng | da19b0d | 2013-11-19 18:03:27 +0800 | [diff] [blame] | 1695 | static inline void dec_valid_block_count(struct f2fs_sb_info *sbi, |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1696 | struct inode *inode, |
Chao Yu | 56a0d93 | 2017-06-14 23:00:56 +0800 | [diff] [blame] | 1697 | block_t count) |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1698 | { |
Chao Yu | 56a0d93 | 2017-06-14 23:00:56 +0800 | [diff] [blame] | 1699 | blkcnt_t sectors = count << F2FS_LOG_SECTORS_PER_BLOCK; |
| 1700 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1701 | spin_lock(&sbi->stat_lock); |
Jaegeuk Kim | 9850cf4 | 2014-09-02 15:52:58 -0700 | [diff] [blame] | 1702 | f2fs_bug_on(sbi, sbi->total_valid_block_count < (block_t) count); |
Chao Yu | 56a0d93 | 2017-06-14 23:00:56 +0800 | [diff] [blame] | 1703 | f2fs_bug_on(sbi, inode->i_blocks < sectors); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1704 | sbi->total_valid_block_count -= (block_t)count; |
Yunlong Song | 68ab6f8 | 2017-10-27 20:45:05 +0800 | [diff] [blame] | 1705 | if (sbi->reserved_blocks && |
| 1706 | sbi->current_reserved_blocks < sbi->reserved_blocks) |
| 1707 | sbi->current_reserved_blocks = min(sbi->reserved_blocks, |
| 1708 | sbi->current_reserved_blocks + count); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1709 | spin_unlock(&sbi->stat_lock); |
Chao Yu | 09c3a72 | 2017-07-09 00:13:07 +0800 | [diff] [blame] | 1710 | f2fs_i_blocks_write(inode, count, false, true); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1711 | } |
| 1712 | |
| 1713 | static inline void inc_page_count(struct f2fs_sb_info *sbi, int count_type) |
| 1714 | { |
Jaegeuk Kim | 725ba1a | 2016-10-20 19:09:57 -0700 | [diff] [blame] | 1715 | atomic_inc(&sbi->nr_pages[count_type]); |
Chao Yu | 7c4abcb | 2016-08-18 17:46:14 +0800 | [diff] [blame] | 1716 | |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 1717 | if (count_type == F2FS_DIRTY_DATA || count_type == F2FS_INMEM_PAGES || |
| 1718 | count_type == F2FS_WB_CP_DATA || count_type == F2FS_WB_DATA) |
Chao Yu | 7c4abcb | 2016-08-18 17:46:14 +0800 | [diff] [blame] | 1719 | return; |
| 1720 | |
Chao Yu | caf0047 | 2015-01-28 17:48:42 +0800 | [diff] [blame] | 1721 | set_sbi_flag(sbi, SBI_IS_DIRTY); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1722 | } |
| 1723 | |
Jaegeuk Kim | a7ffdbe | 2014-09-12 15:53:45 -0700 | [diff] [blame] | 1724 | static inline void inode_inc_dirty_pages(struct inode *inode) |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1725 | { |
Jaegeuk Kim | a43e1c4 | 2016-12-02 15:11:32 -0800 | [diff] [blame] | 1726 | atomic_inc(&F2FS_I(inode)->dirty_pages); |
Chao Yu | c227f91 | 2015-12-16 13:09:20 +0800 | [diff] [blame] | 1727 | inc_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ? |
| 1728 | F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA); |
Jaegeuk Kim | 931ecc2 | 2017-11-13 17:46:38 -0800 | [diff] [blame] | 1729 | if (IS_NOQUOTA(inode)) |
| 1730 | inc_page_count(F2FS_I_SB(inode), F2FS_DIRTY_QDATA); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1731 | } |
| 1732 | |
| 1733 | static inline void dec_page_count(struct f2fs_sb_info *sbi, int count_type) |
| 1734 | { |
Jaegeuk Kim | 725ba1a | 2016-10-20 19:09:57 -0700 | [diff] [blame] | 1735 | atomic_dec(&sbi->nr_pages[count_type]); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1736 | } |
| 1737 | |
Jaegeuk Kim | a7ffdbe | 2014-09-12 15:53:45 -0700 | [diff] [blame] | 1738 | static inline void inode_dec_dirty_pages(struct inode *inode) |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1739 | { |
Chao Yu | 5ac9f36 | 2015-06-29 18:14:10 +0800 | [diff] [blame] | 1740 | if (!S_ISDIR(inode->i_mode) && !S_ISREG(inode->i_mode) && |
| 1741 | !S_ISLNK(inode->i_mode)) |
Jaegeuk Kim | 1fe54f9 | 2014-02-07 10:00:06 +0900 | [diff] [blame] | 1742 | return; |
| 1743 | |
Jaegeuk Kim | a43e1c4 | 2016-12-02 15:11:32 -0800 | [diff] [blame] | 1744 | atomic_dec(&F2FS_I(inode)->dirty_pages); |
Chao Yu | c227f91 | 2015-12-16 13:09:20 +0800 | [diff] [blame] | 1745 | dec_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ? |
| 1746 | F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA); |
Jaegeuk Kim | 931ecc2 | 2017-11-13 17:46:38 -0800 | [diff] [blame] | 1747 | if (IS_NOQUOTA(inode)) |
| 1748 | dec_page_count(F2FS_I_SB(inode), F2FS_DIRTY_QDATA); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1749 | } |
| 1750 | |
Jaegeuk Kim | 523be8a | 2016-05-13 12:36:58 -0700 | [diff] [blame] | 1751 | static inline s64 get_pages(struct f2fs_sb_info *sbi, int count_type) |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1752 | { |
Jaegeuk Kim | 725ba1a | 2016-10-20 19:09:57 -0700 | [diff] [blame] | 1753 | return atomic_read(&sbi->nr_pages[count_type]); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1754 | } |
| 1755 | |
Jaegeuk Kim | a43e1c4 | 2016-12-02 15:11:32 -0800 | [diff] [blame] | 1756 | static inline int get_dirty_pages(struct inode *inode) |
Jaegeuk Kim | f8b2c1f | 2014-03-18 12:33:06 +0900 | [diff] [blame] | 1757 | { |
Jaegeuk Kim | a43e1c4 | 2016-12-02 15:11:32 -0800 | [diff] [blame] | 1758 | return atomic_read(&F2FS_I(inode)->dirty_pages); |
Jaegeuk Kim | f8b2c1f | 2014-03-18 12:33:06 +0900 | [diff] [blame] | 1759 | } |
| 1760 | |
Namjae Jeon | 5ac206c | 2013-02-02 23:52:59 +0900 | [diff] [blame] | 1761 | static inline int get_blocktype_secs(struct f2fs_sb_info *sbi, int block_type) |
| 1762 | { |
Chao Yu | 3519e3f | 2015-12-01 11:56:52 +0800 | [diff] [blame] | 1763 | unsigned int pages_per_sec = sbi->segs_per_sec * sbi->blocks_per_seg; |
Jaegeuk Kim | 523be8a | 2016-05-13 12:36:58 -0700 | [diff] [blame] | 1764 | unsigned int segs = (get_pages(sbi, block_type) + pages_per_sec - 1) >> |
| 1765 | sbi->log_blocks_per_seg; |
| 1766 | |
| 1767 | return segs / sbi->segs_per_sec; |
Namjae Jeon | 5ac206c | 2013-02-02 23:52:59 +0900 | [diff] [blame] | 1768 | } |
| 1769 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1770 | static inline block_t valid_user_blocks(struct f2fs_sb_info *sbi) |
| 1771 | { |
Jaegeuk Kim | 8b8343f | 2014-02-24 13:00:13 +0900 | [diff] [blame] | 1772 | return sbi->total_valid_block_count; |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1773 | } |
| 1774 | |
Yunlei He | f83a258 | 2016-08-18 21:01:18 +0800 | [diff] [blame] | 1775 | static inline block_t discard_blocks(struct f2fs_sb_info *sbi) |
| 1776 | { |
| 1777 | return sbi->discard_blks; |
| 1778 | } |
| 1779 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1780 | static inline unsigned long __bitmap_size(struct f2fs_sb_info *sbi, int flag) |
| 1781 | { |
| 1782 | struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); |
| 1783 | |
| 1784 | /* return NAT or SIT bitmap */ |
| 1785 | if (flag == NAT_BITMAP) |
| 1786 | return le32_to_cpu(ckpt->nat_ver_bitmap_bytesize); |
| 1787 | else if (flag == SIT_BITMAP) |
| 1788 | return le32_to_cpu(ckpt->sit_ver_bitmap_bytesize); |
| 1789 | |
| 1790 | return 0; |
| 1791 | } |
| 1792 | |
Wanpeng Li | 5514148 | 2015-02-26 07:57:20 +0800 | [diff] [blame] | 1793 | static inline block_t __cp_payload(struct f2fs_sb_info *sbi) |
| 1794 | { |
| 1795 | return le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_payload); |
| 1796 | } |
| 1797 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1798 | static inline void *__bitmap_ptr(struct f2fs_sb_info *sbi, int flag) |
| 1799 | { |
| 1800 | struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi); |
Changman Lee | 1dbe415 | 2014-05-12 12:27:43 +0900 | [diff] [blame] | 1801 | int offset; |
| 1802 | |
Chao Yu | a1afb55 | 2018-01-25 19:40:08 +0800 | [diff] [blame] | 1803 | if (is_set_ckpt_flags(sbi, CP_LARGE_NAT_BITMAP_FLAG)) { |
| 1804 | offset = (flag == SIT_BITMAP) ? |
| 1805 | le32_to_cpu(ckpt->nat_ver_bitmap_bytesize) : 0; |
| 1806 | return &ckpt->sit_nat_version_bitmap + offset; |
| 1807 | } |
| 1808 | |
Wanpeng Li | 5514148 | 2015-02-26 07:57:20 +0800 | [diff] [blame] | 1809 | if (__cp_payload(sbi) > 0) { |
Changman Lee | 1dbe415 | 2014-05-12 12:27:43 +0900 | [diff] [blame] | 1810 | if (flag == NAT_BITMAP) |
| 1811 | return &ckpt->sit_nat_version_bitmap; |
| 1812 | else |
Jaegeuk Kim | 65b85cc | 2014-07-30 17:25:54 -0700 | [diff] [blame] | 1813 | return (unsigned char *)ckpt + F2FS_BLKSIZE; |
Changman Lee | 1dbe415 | 2014-05-12 12:27:43 +0900 | [diff] [blame] | 1814 | } else { |
| 1815 | offset = (flag == NAT_BITMAP) ? |
Jaegeuk Kim | 25ca923 | 2012-11-28 16:12:41 +0900 | [diff] [blame] | 1816 | le32_to_cpu(ckpt->sit_ver_bitmap_bytesize) : 0; |
Changman Lee | 1dbe415 | 2014-05-12 12:27:43 +0900 | [diff] [blame] | 1817 | return &ckpt->sit_nat_version_bitmap + offset; |
| 1818 | } |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1819 | } |
| 1820 | |
| 1821 | static inline block_t __start_cp_addr(struct f2fs_sb_info *sbi) |
| 1822 | { |
Jaegeuk Kim | 01e15b3 | 2016-11-24 12:45:15 -0800 | [diff] [blame] | 1823 | block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1824 | |
Jaegeuk Kim | 01e15b3 | 2016-11-24 12:45:15 -0800 | [diff] [blame] | 1825 | if (sbi->cur_cp_pack == 2) |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1826 | start_addr += sbi->blocks_per_seg; |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1827 | return start_addr; |
| 1828 | } |
| 1829 | |
Jaegeuk Kim | 01e15b3 | 2016-11-24 12:45:15 -0800 | [diff] [blame] | 1830 | static inline block_t __start_cp_next_addr(struct f2fs_sb_info *sbi) |
| 1831 | { |
| 1832 | block_t start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr); |
| 1833 | |
| 1834 | if (sbi->cur_cp_pack == 1) |
| 1835 | start_addr += sbi->blocks_per_seg; |
| 1836 | return start_addr; |
| 1837 | } |
| 1838 | |
| 1839 | static inline void __set_cp_next_pack(struct f2fs_sb_info *sbi) |
| 1840 | { |
| 1841 | sbi->cur_cp_pack = (sbi->cur_cp_pack == 1) ? 2 : 1; |
| 1842 | } |
| 1843 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1844 | static inline block_t __start_sum_addr(struct f2fs_sb_info *sbi) |
| 1845 | { |
| 1846 | return le32_to_cpu(F2FS_CKPT(sbi)->cp_pack_start_sum); |
| 1847 | } |
| 1848 | |
Chao Yu | 09c3a72 | 2017-07-09 00:13:07 +0800 | [diff] [blame] | 1849 | static inline int inc_valid_node_count(struct f2fs_sb_info *sbi, |
Chao Yu | d9bfbbb | 2017-07-06 01:11:31 +0800 | [diff] [blame] | 1850 | struct inode *inode, bool is_inode) |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1851 | { |
| 1852 | block_t valid_block_count; |
| 1853 | unsigned int valid_node_count; |
Chao Yu | 09c3a72 | 2017-07-09 00:13:07 +0800 | [diff] [blame] | 1854 | bool quota = inode && !is_inode; |
| 1855 | |
| 1856 | if (quota) { |
| 1857 | int ret = dquot_reserve_block(inode, 1); |
| 1858 | if (ret) |
| 1859 | return ret; |
| 1860 | } |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1861 | |
Chao Yu | 05dac2e | 2017-11-13 17:32:40 +0800 | [diff] [blame] | 1862 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
| 1863 | if (time_to_inject(sbi, FAULT_BLOCK)) { |
| 1864 | f2fs_show_injection_info(FAULT_BLOCK); |
| 1865 | goto enospc; |
| 1866 | } |
| 1867 | #endif |
| 1868 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1869 | spin_lock(&sbi->stat_lock); |
| 1870 | |
Jaegeuk Kim | 5fee540 | 2017-12-27 15:05:52 -0800 | [diff] [blame] | 1871 | valid_block_count = sbi->total_valid_block_count + |
| 1872 | sbi->current_reserved_blocks + 1; |
| 1873 | |
Jaegeuk Kim | c8fb245 | 2018-04-20 23:44:59 -0700 | [diff] [blame] | 1874 | if (!__allow_reserved_blocks(sbi, inode, false)) |
Chao Yu | e9a50e6 | 2018-03-08 14:22:56 +0800 | [diff] [blame] | 1875 | valid_block_count += F2FS_OPTION(sbi).root_reserved_blocks; |
Jaegeuk Kim | 5fee540 | 2017-12-27 15:05:52 -0800 | [diff] [blame] | 1876 | |
| 1877 | if (unlikely(valid_block_count > sbi->user_block_count)) { |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1878 | spin_unlock(&sbi->stat_lock); |
Chao Yu | 09c3a72 | 2017-07-09 00:13:07 +0800 | [diff] [blame] | 1879 | goto enospc; |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1880 | } |
| 1881 | |
Gu Zheng | ef86d70 | 2013-11-19 18:03:38 +0800 | [diff] [blame] | 1882 | valid_node_count = sbi->total_valid_node_count + 1; |
Chao Yu | cfb271d | 2013-12-05 17:15:22 +0800 | [diff] [blame] | 1883 | if (unlikely(valid_node_count > sbi->total_node_count)) { |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1884 | spin_unlock(&sbi->stat_lock); |
Chao Yu | 09c3a72 | 2017-07-09 00:13:07 +0800 | [diff] [blame] | 1885 | goto enospc; |
Chao Yu | d9bfbbb | 2017-07-06 01:11:31 +0800 | [diff] [blame] | 1886 | } |
Gu Zheng | ef86d70 | 2013-11-19 18:03:38 +0800 | [diff] [blame] | 1887 | |
Gu Zheng | ef86d70 | 2013-11-19 18:03:38 +0800 | [diff] [blame] | 1888 | sbi->total_valid_node_count++; |
| 1889 | sbi->total_valid_block_count++; |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1890 | spin_unlock(&sbi->stat_lock); |
| 1891 | |
Chao Yu | 09c3a72 | 2017-07-09 00:13:07 +0800 | [diff] [blame] | 1892 | if (inode) { |
| 1893 | if (is_inode) |
| 1894 | f2fs_mark_inode_dirty_sync(inode, true); |
| 1895 | else |
| 1896 | f2fs_i_blocks_write(inode, 1, true, true); |
| 1897 | } |
| 1898 | |
Jaegeuk Kim | 41382ec | 2016-05-16 11:06:50 -0700 | [diff] [blame] | 1899 | percpu_counter_inc(&sbi->alloc_valid_block_count); |
Chao Yu | 09c3a72 | 2017-07-09 00:13:07 +0800 | [diff] [blame] | 1900 | return 0; |
| 1901 | |
| 1902 | enospc: |
| 1903 | if (quota) |
| 1904 | dquot_release_reservation_block(inode, 1); |
| 1905 | return -ENOSPC; |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1906 | } |
| 1907 | |
| 1908 | static inline void dec_valid_node_count(struct f2fs_sb_info *sbi, |
Chao Yu | d9bfbbb | 2017-07-06 01:11:31 +0800 | [diff] [blame] | 1909 | struct inode *inode, bool is_inode) |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1910 | { |
| 1911 | spin_lock(&sbi->stat_lock); |
| 1912 | |
Jaegeuk Kim | 9850cf4 | 2014-09-02 15:52:58 -0700 | [diff] [blame] | 1913 | f2fs_bug_on(sbi, !sbi->total_valid_block_count); |
| 1914 | f2fs_bug_on(sbi, !sbi->total_valid_node_count); |
Chao Yu | d9bfbbb | 2017-07-06 01:11:31 +0800 | [diff] [blame] | 1915 | f2fs_bug_on(sbi, !is_inode && !inode->i_blocks); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1916 | |
Gu Zheng | ef86d70 | 2013-11-19 18:03:38 +0800 | [diff] [blame] | 1917 | sbi->total_valid_node_count--; |
| 1918 | sbi->total_valid_block_count--; |
Yunlong Song | 68ab6f8 | 2017-10-27 20:45:05 +0800 | [diff] [blame] | 1919 | if (sbi->reserved_blocks && |
| 1920 | sbi->current_reserved_blocks < sbi->reserved_blocks) |
| 1921 | sbi->current_reserved_blocks++; |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1922 | |
| 1923 | spin_unlock(&sbi->stat_lock); |
Chao Yu | 09c3a72 | 2017-07-09 00:13:07 +0800 | [diff] [blame] | 1924 | |
| 1925 | if (!is_inode) |
| 1926 | f2fs_i_blocks_write(inode, 1, false, true); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1927 | } |
| 1928 | |
| 1929 | static inline unsigned int valid_node_count(struct f2fs_sb_info *sbi) |
| 1930 | { |
Jaegeuk Kim | 8b8343f | 2014-02-24 13:00:13 +0900 | [diff] [blame] | 1931 | return sbi->total_valid_node_count; |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1932 | } |
| 1933 | |
| 1934 | static inline void inc_valid_inode_count(struct f2fs_sb_info *sbi) |
| 1935 | { |
Jaegeuk Kim | 513c5f3 | 2016-05-16 11:42:32 -0700 | [diff] [blame] | 1936 | percpu_counter_inc(&sbi->total_valid_inode_count); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1937 | } |
| 1938 | |
Jaegeuk Kim | 0e80220 | 2013-11-26 16:36:20 +0900 | [diff] [blame] | 1939 | static inline void dec_valid_inode_count(struct f2fs_sb_info *sbi) |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1940 | { |
Jaegeuk Kim | 513c5f3 | 2016-05-16 11:42:32 -0700 | [diff] [blame] | 1941 | percpu_counter_dec(&sbi->total_valid_inode_count); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1942 | } |
| 1943 | |
Jaegeuk Kim | 513c5f3 | 2016-05-16 11:42:32 -0700 | [diff] [blame] | 1944 | static inline s64 valid_inode_count(struct f2fs_sb_info *sbi) |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1945 | { |
Jaegeuk Kim | 513c5f3 | 2016-05-16 11:42:32 -0700 | [diff] [blame] | 1946 | return percpu_counter_sum_positive(&sbi->total_valid_inode_count); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1947 | } |
| 1948 | |
Jaegeuk Kim | a56c7c6 | 2015-10-09 15:11:38 -0700 | [diff] [blame] | 1949 | static inline struct page *f2fs_grab_cache_page(struct address_space *mapping, |
| 1950 | pgoff_t index, bool for_write) |
| 1951 | { |
Jaegeuk Kim | c41f3cc3 | 2016-04-29 16:17:09 -0700 | [diff] [blame] | 1952 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
| 1953 | struct page *page = find_lock_page(mapping, index); |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 1954 | |
Jaegeuk Kim | c41f3cc3 | 2016-04-29 16:17:09 -0700 | [diff] [blame] | 1955 | if (page) |
| 1956 | return page; |
| 1957 | |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 1958 | if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_ALLOC)) { |
| 1959 | f2fs_show_injection_info(FAULT_PAGE_ALLOC); |
Jaegeuk Kim | c41f3cc3 | 2016-04-29 16:17:09 -0700 | [diff] [blame] | 1960 | return NULL; |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 1961 | } |
Jaegeuk Kim | c41f3cc3 | 2016-04-29 16:17:09 -0700 | [diff] [blame] | 1962 | #endif |
Jaegeuk Kim | a56c7c6 | 2015-10-09 15:11:38 -0700 | [diff] [blame] | 1963 | if (!for_write) |
| 1964 | return grab_cache_page(mapping, index); |
| 1965 | return grab_cache_page_write_begin(mapping, index, AOP_FLAG_NOFS); |
| 1966 | } |
| 1967 | |
Chao Yu | 58ddec8 | 2017-10-28 16:52:30 +0800 | [diff] [blame] | 1968 | static inline struct page *f2fs_pagecache_get_page( |
| 1969 | struct address_space *mapping, pgoff_t index, |
| 1970 | int fgp_flags, gfp_t gfp_mask) |
| 1971 | { |
| 1972 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
| 1973 | if (time_to_inject(F2FS_M_SB(mapping), FAULT_PAGE_GET)) { |
| 1974 | f2fs_show_injection_info(FAULT_PAGE_GET); |
| 1975 | return NULL; |
| 1976 | } |
| 1977 | #endif |
| 1978 | return pagecache_get_page(mapping, index, fgp_flags, gfp_mask); |
| 1979 | } |
| 1980 | |
Jaegeuk Kim | 6e2c64a | 2015-10-07 12:28:41 -0700 | [diff] [blame] | 1981 | static inline void f2fs_copy_page(struct page *src, struct page *dst) |
| 1982 | { |
| 1983 | char *src_kaddr = kmap(src); |
| 1984 | char *dst_kaddr = kmap(dst); |
| 1985 | |
| 1986 | memcpy(dst_kaddr, src_kaddr, PAGE_SIZE); |
| 1987 | kunmap(dst); |
| 1988 | kunmap(src); |
| 1989 | } |
| 1990 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1991 | static inline void f2fs_put_page(struct page *page, int unlock) |
| 1992 | { |
Jaegeuk Kim | 031fa8c | 2013-11-28 12:55:13 +0900 | [diff] [blame] | 1993 | if (!page) |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1994 | return; |
| 1995 | |
| 1996 | if (unlock) { |
Jaegeuk Kim | 9850cf4 | 2014-09-02 15:52:58 -0700 | [diff] [blame] | 1997 | f2fs_bug_on(F2FS_P_SB(page), !PageLocked(page)); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 1998 | unlock_page(page); |
| 1999 | } |
Kirill A. Shutemov | 09cbfea | 2016-04-01 15:29:47 +0300 | [diff] [blame] | 2000 | put_page(page); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2001 | } |
| 2002 | |
| 2003 | static inline void f2fs_put_dnode(struct dnode_of_data *dn) |
| 2004 | { |
| 2005 | if (dn->node_page) |
| 2006 | f2fs_put_page(dn->node_page, 1); |
| 2007 | if (dn->inode_page && dn->node_page != dn->inode_page) |
| 2008 | f2fs_put_page(dn->inode_page, 0); |
| 2009 | dn->node_page = NULL; |
| 2010 | dn->inode_page = NULL; |
| 2011 | } |
| 2012 | |
| 2013 | static inline struct kmem_cache *f2fs_kmem_cache_create(const char *name, |
Gu Zheng | e8512d2 | 2014-03-07 18:43:28 +0800 | [diff] [blame] | 2014 | size_t size) |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2015 | { |
Gu Zheng | e8512d2 | 2014-03-07 18:43:28 +0800 | [diff] [blame] | 2016 | return kmem_cache_create(name, size, 0, SLAB_RECLAIM_ACCOUNT, NULL); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2017 | } |
| 2018 | |
Gu Zheng | 7bd5938 | 2013-10-22 14:52:26 +0800 | [diff] [blame] | 2019 | static inline void *f2fs_kmem_cache_alloc(struct kmem_cache *cachep, |
| 2020 | gfp_t flags) |
| 2021 | { |
| 2022 | void *entry; |
Gu Zheng | 7bd5938 | 2013-10-22 14:52:26 +0800 | [diff] [blame] | 2023 | |
Jaegeuk Kim | 80c5450 | 2015-08-20 08:51:56 -0700 | [diff] [blame] | 2024 | entry = kmem_cache_alloc(cachep, flags); |
| 2025 | if (!entry) |
| 2026 | entry = kmem_cache_alloc(cachep, flags | __GFP_NOFAIL); |
Gu Zheng | 7bd5938 | 2013-10-22 14:52:26 +0800 | [diff] [blame] | 2027 | return entry; |
| 2028 | } |
| 2029 | |
Chao Yu | b5db2de | 2017-10-28 16:52:31 +0800 | [diff] [blame] | 2030 | static inline struct bio *f2fs_bio_alloc(struct f2fs_sb_info *sbi, |
| 2031 | int npages, bool no_fail) |
Jaegeuk Kim | 740432f | 2015-08-14 11:43:56 -0700 | [diff] [blame] | 2032 | { |
| 2033 | struct bio *bio; |
| 2034 | |
Chao Yu | b5db2de | 2017-10-28 16:52:31 +0800 | [diff] [blame] | 2035 | if (no_fail) { |
| 2036 | /* No failure on bio allocation */ |
| 2037 | bio = bio_alloc(GFP_NOIO, npages); |
| 2038 | if (!bio) |
| 2039 | bio = bio_alloc(GFP_NOIO | __GFP_NOFAIL, npages); |
| 2040 | return bio; |
| 2041 | } |
| 2042 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
| 2043 | if (time_to_inject(sbi, FAULT_ALLOC_BIO)) { |
| 2044 | f2fs_show_injection_info(FAULT_ALLOC_BIO); |
| 2045 | return NULL; |
| 2046 | } |
| 2047 | #endif |
| 2048 | return bio_alloc(GFP_KERNEL, npages); |
Jaegeuk Kim | 740432f | 2015-08-14 11:43:56 -0700 | [diff] [blame] | 2049 | } |
| 2050 | |
Jaegeuk Kim | 9be32d7 | 2014-12-05 10:39:49 -0800 | [diff] [blame] | 2051 | static inline void f2fs_radix_tree_insert(struct radix_tree_root *root, |
| 2052 | unsigned long index, void *item) |
| 2053 | { |
| 2054 | while (radix_tree_insert(root, index, item)) |
| 2055 | cond_resched(); |
| 2056 | } |
| 2057 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2058 | #define RAW_IS_INODE(p) ((p)->footer.nid == (p)->footer.ino) |
| 2059 | |
| 2060 | static inline bool IS_INODE(struct page *page) |
| 2061 | { |
Gu Zheng | 4559071 | 2013-07-15 17:57:38 +0800 | [diff] [blame] | 2062 | struct f2fs_node *p = F2FS_NODE(page); |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2063 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2064 | return RAW_IS_INODE(p); |
| 2065 | } |
| 2066 | |
Chao Yu | fbcf931 | 2017-07-19 00:19:06 +0800 | [diff] [blame] | 2067 | static inline int offset_in_addr(struct f2fs_inode *i) |
| 2068 | { |
| 2069 | return (i->i_inline & F2FS_EXTRA_ATTR) ? |
| 2070 | (le16_to_cpu(i->i_extra_isize) / sizeof(__le32)) : 0; |
| 2071 | } |
| 2072 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2073 | static inline __le32 *blkaddr_in_node(struct f2fs_node *node) |
| 2074 | { |
| 2075 | return RAW_IS_INODE(node) ? node->i.i_addr : node->dn.addr; |
| 2076 | } |
| 2077 | |
Chao Yu | fbcf931 | 2017-07-19 00:19:06 +0800 | [diff] [blame] | 2078 | static inline int f2fs_has_extra_attr(struct inode *inode); |
| 2079 | static inline block_t datablock_addr(struct inode *inode, |
| 2080 | struct page *node_page, unsigned int offset) |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2081 | { |
| 2082 | struct f2fs_node *raw_node; |
| 2083 | __le32 *addr_array; |
Chao Yu | fbcf931 | 2017-07-19 00:19:06 +0800 | [diff] [blame] | 2084 | int base = 0; |
| 2085 | bool is_inode = IS_INODE(node_page); |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2086 | |
Gu Zheng | 4559071 | 2013-07-15 17:57:38 +0800 | [diff] [blame] | 2087 | raw_node = F2FS_NODE(node_page); |
Chao Yu | fbcf931 | 2017-07-19 00:19:06 +0800 | [diff] [blame] | 2088 | |
| 2089 | /* from GC path only */ |
LiFan | 8234ed5 | 2017-11-28 20:17:41 +0800 | [diff] [blame] | 2090 | if (is_inode) { |
| 2091 | if (!inode) |
Chao Yu | fbcf931 | 2017-07-19 00:19:06 +0800 | [diff] [blame] | 2092 | base = offset_in_addr(&raw_node->i); |
LiFan | 8234ed5 | 2017-11-28 20:17:41 +0800 | [diff] [blame] | 2093 | else if (f2fs_has_extra_attr(inode)) |
| 2094 | base = get_extra_isize(inode); |
Chao Yu | fbcf931 | 2017-07-19 00:19:06 +0800 | [diff] [blame] | 2095 | } |
| 2096 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2097 | addr_array = blkaddr_in_node(raw_node); |
Chao Yu | fbcf931 | 2017-07-19 00:19:06 +0800 | [diff] [blame] | 2098 | return le32_to_cpu(addr_array[base + offset]); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2099 | } |
| 2100 | |
| 2101 | static inline int f2fs_test_bit(unsigned int nr, char *addr) |
| 2102 | { |
| 2103 | int mask; |
| 2104 | |
| 2105 | addr += (nr >> 3); |
| 2106 | mask = 1 << (7 - (nr & 0x07)); |
| 2107 | return mask & *addr; |
| 2108 | } |
| 2109 | |
Jaegeuk Kim | a66cdd9 | 2015-04-30 22:37:50 -0700 | [diff] [blame] | 2110 | static inline void f2fs_set_bit(unsigned int nr, char *addr) |
| 2111 | { |
| 2112 | int mask; |
| 2113 | |
| 2114 | addr += (nr >> 3); |
| 2115 | mask = 1 << (7 - (nr & 0x07)); |
| 2116 | *addr |= mask; |
| 2117 | } |
| 2118 | |
| 2119 | static inline void f2fs_clear_bit(unsigned int nr, char *addr) |
| 2120 | { |
| 2121 | int mask; |
| 2122 | |
| 2123 | addr += (nr >> 3); |
| 2124 | mask = 1 << (7 - (nr & 0x07)); |
| 2125 | *addr &= ~mask; |
| 2126 | } |
| 2127 | |
Gu Zheng | 52aca07 | 2014-10-20 17:45:51 +0800 | [diff] [blame] | 2128 | static inline int f2fs_test_and_set_bit(unsigned int nr, char *addr) |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2129 | { |
| 2130 | int mask; |
| 2131 | int ret; |
| 2132 | |
| 2133 | addr += (nr >> 3); |
| 2134 | mask = 1 << (7 - (nr & 0x07)); |
| 2135 | ret = mask & *addr; |
| 2136 | *addr |= mask; |
| 2137 | return ret; |
| 2138 | } |
| 2139 | |
Gu Zheng | 52aca07 | 2014-10-20 17:45:51 +0800 | [diff] [blame] | 2140 | static inline int f2fs_test_and_clear_bit(unsigned int nr, char *addr) |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2141 | { |
| 2142 | int mask; |
| 2143 | int ret; |
| 2144 | |
| 2145 | addr += (nr >> 3); |
| 2146 | mask = 1 << (7 - (nr & 0x07)); |
| 2147 | ret = mask & *addr; |
| 2148 | *addr &= ~mask; |
| 2149 | return ret; |
| 2150 | } |
| 2151 | |
Gu Zheng | c6ac4c0 | 2014-10-20 17:45:50 +0800 | [diff] [blame] | 2152 | static inline void f2fs_change_bit(unsigned int nr, char *addr) |
| 2153 | { |
| 2154 | int mask; |
| 2155 | |
| 2156 | addr += (nr >> 3); |
| 2157 | mask = 1 << (7 - (nr & 0x07)); |
| 2158 | *addr ^= mask; |
| 2159 | } |
| 2160 | |
Chao Yu | 5647b30 | 2017-07-26 00:01:41 +0800 | [diff] [blame] | 2161 | #define F2FS_REG_FLMASK (~(FS_DIRSYNC_FL | FS_TOPDIR_FL)) |
| 2162 | #define F2FS_OTHER_FLMASK (FS_NODUMP_FL | FS_NOATIME_FL) |
| 2163 | #define F2FS_FL_INHERITED (FS_PROJINHERIT_FL) |
| 2164 | |
| 2165 | static inline __u32 f2fs_mask_flags(umode_t mode, __u32 flags) |
| 2166 | { |
| 2167 | if (S_ISDIR(mode)) |
| 2168 | return flags; |
| 2169 | else if (S_ISREG(mode)) |
| 2170 | return flags & F2FS_REG_FLMASK; |
| 2171 | else |
| 2172 | return flags & F2FS_OTHER_FLMASK; |
| 2173 | } |
| 2174 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2175 | /* used for f2fs_inode_info->flags */ |
| 2176 | enum { |
| 2177 | FI_NEW_INODE, /* indicate newly allocated inode */ |
Jaegeuk Kim | b378387 | 2013-06-10 09:17:01 +0900 | [diff] [blame] | 2178 | FI_DIRTY_INODE, /* indicate inode is dirty or not */ |
Jaegeuk Kim | 26de9b1 | 2016-05-20 20:42:37 -0700 | [diff] [blame] | 2179 | FI_AUTO_RECOVER, /* indicate inode is recoverable */ |
Jaegeuk Kim | ed57c27 | 2014-04-15 11:19:28 +0900 | [diff] [blame] | 2180 | FI_DIRTY_DIR, /* indicate directory has dirty pages */ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2181 | FI_INC_LINK, /* need to increment i_nlink */ |
| 2182 | FI_ACL_MODE, /* indicate acl mode */ |
| 2183 | FI_NO_ALLOC, /* should not allocate any blocks */ |
Jaegeuk Kim | c9b63bd | 2015-06-23 10:36:08 -0700 | [diff] [blame] | 2184 | FI_FREE_NID, /* free allocated nide */ |
Jaegeuk Kim | c11abd1 | 2013-11-19 10:41:54 +0900 | [diff] [blame] | 2185 | FI_NO_EXTENT, /* not to use the extent cache */ |
Jaegeuk Kim | 444c580 | 2013-08-08 15:16:22 +0900 | [diff] [blame] | 2186 | FI_INLINE_XATTR, /* used for inline xattr */ |
Huajun Li | 1001b34 | 2013-11-10 23:13:16 +0800 | [diff] [blame] | 2187 | FI_INLINE_DATA, /* used for inline data*/ |
Chao Yu | 34d67de | 2014-09-24 18:15:19 +0800 | [diff] [blame] | 2188 | FI_INLINE_DENTRY, /* used for inline dentry */ |
Jaegeuk Kim | fff04f9 | 2014-07-25 07:40:59 -0700 | [diff] [blame] | 2189 | FI_APPEND_WRITE, /* inode has appended data */ |
| 2190 | FI_UPDATE_WRITE, /* inode has in-place-update data */ |
Jaegeuk Kim | 88b88a6 | 2014-10-06 17:39:50 -0700 | [diff] [blame] | 2191 | FI_NEED_IPU, /* used for ipu per file */ |
| 2192 | FI_ATOMIC_FILE, /* indicate atomic file */ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2193 | FI_ATOMIC_COMMIT, /* indicate the state of atomical committing */ |
Jaegeuk Kim | 02a1335 | 2014-10-06 16:11:16 -0700 | [diff] [blame] | 2194 | FI_VOLATILE_FILE, /* indicate volatile file */ |
Jaegeuk Kim | 3c6c2be | 2015-03-17 17:16:35 -0700 | [diff] [blame] | 2195 | FI_FIRST_BLOCK_WRITTEN, /* indicate #0 data block was written */ |
Jaegeuk Kim | 1e84371 | 2014-12-09 06:08:59 -0800 | [diff] [blame] | 2196 | FI_DROP_CACHE, /* drop dirty page cache */ |
Jaegeuk Kim | b3d208f | 2014-10-23 19:48:09 -0700 | [diff] [blame] | 2197 | FI_DATA_EXIST, /* indicate data exists */ |
Jaegeuk Kim | 510022a | 2015-03-30 15:07:16 -0700 | [diff] [blame] | 2198 | FI_INLINE_DOTS, /* indicate inline dot dentries */ |
Chao Yu | d323d00 | 2015-10-27 09:53:45 +0800 | [diff] [blame] | 2199 | FI_DO_DEFRAG, /* indicate defragment is running */ |
Chao Yu | c227f91 | 2015-12-16 13:09:20 +0800 | [diff] [blame] | 2200 | FI_DIRTY_FILE, /* indicate regular/symlink has dirty pages */ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2201 | FI_NO_PREALLOC, /* indicate skipped preallocated blocks */ |
| 2202 | FI_HOT_DATA, /* indicate file is hot */ |
Chao Yu | fbcf931 | 2017-07-19 00:19:06 +0800 | [diff] [blame] | 2203 | FI_EXTRA_ATTR, /* indicate file has extra attribute */ |
Chao Yu | 5647b30 | 2017-07-26 00:01:41 +0800 | [diff] [blame] | 2204 | FI_PROJ_INHERIT, /* indicate file inherits projectid */ |
Jaegeuk Kim | 9ce3d6b | 2017-12-07 16:25:39 -0800 | [diff] [blame] | 2205 | FI_PIN_FILE, /* indicate file should not be gced */ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2206 | }; |
| 2207 | |
Jaegeuk Kim | 205b982 | 2016-05-20 09:52:20 -0700 | [diff] [blame] | 2208 | static inline void __mark_inode_dirty_flag(struct inode *inode, |
| 2209 | int flag, bool set) |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2210 | { |
Jaegeuk Kim | 205b982 | 2016-05-20 09:52:20 -0700 | [diff] [blame] | 2211 | switch (flag) { |
| 2212 | case FI_INLINE_XATTR: |
| 2213 | case FI_INLINE_DATA: |
| 2214 | case FI_INLINE_DENTRY: |
Daeho Jeong | 9ef5e65 | 2018-01-11 11:26:19 +0900 | [diff] [blame] | 2215 | case FI_NEW_INODE: |
Jaegeuk Kim | 205b982 | 2016-05-20 09:52:20 -0700 | [diff] [blame] | 2216 | if (set) |
| 2217 | return; |
| 2218 | case FI_DATA_EXIST: |
| 2219 | case FI_INLINE_DOTS: |
Jaegeuk Kim | 9ce3d6b | 2017-12-07 16:25:39 -0800 | [diff] [blame] | 2220 | case FI_PIN_FILE: |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2221 | f2fs_mark_inode_dirty_sync(inode, true); |
Jaegeuk Kim | 205b982 | 2016-05-20 09:52:20 -0700 | [diff] [blame] | 2222 | } |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2223 | } |
| 2224 | |
Jaegeuk Kim | 9194232 | 2016-05-20 10:13:22 -0700 | [diff] [blame] | 2225 | static inline void set_inode_flag(struct inode *inode, int flag) |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2226 | { |
Jaegeuk Kim | 9194232 | 2016-05-20 10:13:22 -0700 | [diff] [blame] | 2227 | if (!test_bit(flag, &F2FS_I(inode)->flags)) |
| 2228 | set_bit(flag, &F2FS_I(inode)->flags); |
Jaegeuk Kim | 205b982 | 2016-05-20 09:52:20 -0700 | [diff] [blame] | 2229 | __mark_inode_dirty_flag(inode, flag, true); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2230 | } |
| 2231 | |
Jaegeuk Kim | 9194232 | 2016-05-20 10:13:22 -0700 | [diff] [blame] | 2232 | static inline int is_inode_flag_set(struct inode *inode, int flag) |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2233 | { |
Jaegeuk Kim | 9194232 | 2016-05-20 10:13:22 -0700 | [diff] [blame] | 2234 | return test_bit(flag, &F2FS_I(inode)->flags); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2235 | } |
| 2236 | |
Jaegeuk Kim | 9194232 | 2016-05-20 10:13:22 -0700 | [diff] [blame] | 2237 | static inline void clear_inode_flag(struct inode *inode, int flag) |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2238 | { |
Jaegeuk Kim | 9194232 | 2016-05-20 10:13:22 -0700 | [diff] [blame] | 2239 | if (test_bit(flag, &F2FS_I(inode)->flags)) |
| 2240 | clear_bit(flag, &F2FS_I(inode)->flags); |
Jaegeuk Kim | 205b982 | 2016-05-20 09:52:20 -0700 | [diff] [blame] | 2241 | __mark_inode_dirty_flag(inode, flag, false); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2242 | } |
| 2243 | |
Jaegeuk Kim | 9194232 | 2016-05-20 10:13:22 -0700 | [diff] [blame] | 2244 | static inline void set_acl_inode(struct inode *inode, umode_t mode) |
Jaegeuk Kim | 444c580 | 2013-08-08 15:16:22 +0900 | [diff] [blame] | 2245 | { |
Jaegeuk Kim | 9194232 | 2016-05-20 10:13:22 -0700 | [diff] [blame] | 2246 | F2FS_I(inode)->i_acl_mode = mode; |
| 2247 | set_inode_flag(inode, FI_ACL_MODE); |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2248 | f2fs_mark_inode_dirty_sync(inode, false); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2249 | } |
| 2250 | |
Jaegeuk Kim | a196124 | 2016-05-20 09:43:20 -0700 | [diff] [blame] | 2251 | static inline void f2fs_i_links_write(struct inode *inode, bool inc) |
| 2252 | { |
| 2253 | if (inc) |
| 2254 | inc_nlink(inode); |
| 2255 | else |
| 2256 | drop_nlink(inode); |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2257 | f2fs_mark_inode_dirty_sync(inode, true); |
Jaegeuk Kim | a196124 | 2016-05-20 09:43:20 -0700 | [diff] [blame] | 2258 | } |
| 2259 | |
Jaegeuk Kim | 8edd03c | 2016-05-20 09:26:06 -0700 | [diff] [blame] | 2260 | static inline void f2fs_i_blocks_write(struct inode *inode, |
Chao Yu | 09c3a72 | 2017-07-09 00:13:07 +0800 | [diff] [blame] | 2261 | block_t diff, bool add, bool claim) |
Jaegeuk Kim | 8edd03c | 2016-05-20 09:26:06 -0700 | [diff] [blame] | 2262 | { |
Jaegeuk Kim | 26de9b1 | 2016-05-20 20:42:37 -0700 | [diff] [blame] | 2263 | bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE); |
| 2264 | bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER); |
| 2265 | |
Chao Yu | 09c3a72 | 2017-07-09 00:13:07 +0800 | [diff] [blame] | 2266 | /* add = 1, claim = 1 should be dquot_reserve_block in pair */ |
| 2267 | if (add) { |
| 2268 | if (claim) |
| 2269 | dquot_claim_block(inode, diff); |
| 2270 | else |
| 2271 | dquot_alloc_block_nofail(inode, diff); |
| 2272 | } else { |
| 2273 | dquot_free_block(inode, diff); |
| 2274 | } |
| 2275 | |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2276 | f2fs_mark_inode_dirty_sync(inode, true); |
Jaegeuk Kim | 26de9b1 | 2016-05-20 20:42:37 -0700 | [diff] [blame] | 2277 | if (clean || recover) |
| 2278 | set_inode_flag(inode, FI_AUTO_RECOVER); |
Jaegeuk Kim | 8edd03c | 2016-05-20 09:26:06 -0700 | [diff] [blame] | 2279 | } |
| 2280 | |
Jaegeuk Kim | fc9581c | 2016-05-20 09:22:03 -0700 | [diff] [blame] | 2281 | static inline void f2fs_i_size_write(struct inode *inode, loff_t i_size) |
| 2282 | { |
Jaegeuk Kim | 26de9b1 | 2016-05-20 20:42:37 -0700 | [diff] [blame] | 2283 | bool clean = !is_inode_flag_set(inode, FI_DIRTY_INODE); |
| 2284 | bool recover = is_inode_flag_set(inode, FI_AUTO_RECOVER); |
| 2285 | |
Jaegeuk Kim | fc9581c | 2016-05-20 09:22:03 -0700 | [diff] [blame] | 2286 | if (i_size_read(inode) == i_size) |
| 2287 | return; |
| 2288 | |
| 2289 | i_size_write(inode, i_size); |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2290 | f2fs_mark_inode_dirty_sync(inode, true); |
Jaegeuk Kim | 26de9b1 | 2016-05-20 20:42:37 -0700 | [diff] [blame] | 2291 | if (clean || recover) |
| 2292 | set_inode_flag(inode, FI_AUTO_RECOVER); |
| 2293 | } |
| 2294 | |
Jaegeuk Kim | 205b982 | 2016-05-20 09:52:20 -0700 | [diff] [blame] | 2295 | static inline void f2fs_i_depth_write(struct inode *inode, unsigned int depth) |
| 2296 | { |
| 2297 | F2FS_I(inode)->i_current_depth = depth; |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2298 | f2fs_mark_inode_dirty_sync(inode, true); |
Jaegeuk Kim | 205b982 | 2016-05-20 09:52:20 -0700 | [diff] [blame] | 2299 | } |
| 2300 | |
Jaegeuk Kim | 9ce3d6b | 2017-12-07 16:25:39 -0800 | [diff] [blame] | 2301 | static inline void f2fs_i_gc_failures_write(struct inode *inode, |
| 2302 | unsigned int count) |
| 2303 | { |
| 2304 | F2FS_I(inode)->i_gc_failures = count; |
| 2305 | f2fs_mark_inode_dirty_sync(inode, true); |
| 2306 | } |
| 2307 | |
Jaegeuk Kim | 205b982 | 2016-05-20 09:52:20 -0700 | [diff] [blame] | 2308 | static inline void f2fs_i_xnid_write(struct inode *inode, nid_t xnid) |
| 2309 | { |
| 2310 | F2FS_I(inode)->i_xattr_nid = xnid; |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2311 | f2fs_mark_inode_dirty_sync(inode, true); |
Jaegeuk Kim | 205b982 | 2016-05-20 09:52:20 -0700 | [diff] [blame] | 2312 | } |
| 2313 | |
| 2314 | static inline void f2fs_i_pino_write(struct inode *inode, nid_t pino) |
| 2315 | { |
| 2316 | F2FS_I(inode)->i_pino = pino; |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2317 | f2fs_mark_inode_dirty_sync(inode, true); |
Jaegeuk Kim | 205b982 | 2016-05-20 09:52:20 -0700 | [diff] [blame] | 2318 | } |
| 2319 | |
Jaegeuk Kim | 9194232 | 2016-05-20 10:13:22 -0700 | [diff] [blame] | 2320 | static inline void get_inline_info(struct inode *inode, struct f2fs_inode *ri) |
Jaegeuk Kim | 444c580 | 2013-08-08 15:16:22 +0900 | [diff] [blame] | 2321 | { |
Jaegeuk Kim | 205b982 | 2016-05-20 09:52:20 -0700 | [diff] [blame] | 2322 | struct f2fs_inode_info *fi = F2FS_I(inode); |
| 2323 | |
Jaegeuk Kim | 444c580 | 2013-08-08 15:16:22 +0900 | [diff] [blame] | 2324 | if (ri->i_inline & F2FS_INLINE_XATTR) |
Jaegeuk Kim | 205b982 | 2016-05-20 09:52:20 -0700 | [diff] [blame] | 2325 | set_bit(FI_INLINE_XATTR, &fi->flags); |
Huajun Li | 1001b34 | 2013-11-10 23:13:16 +0800 | [diff] [blame] | 2326 | if (ri->i_inline & F2FS_INLINE_DATA) |
Jaegeuk Kim | 205b982 | 2016-05-20 09:52:20 -0700 | [diff] [blame] | 2327 | set_bit(FI_INLINE_DATA, &fi->flags); |
Chao Yu | 34d67de | 2014-09-24 18:15:19 +0800 | [diff] [blame] | 2328 | if (ri->i_inline & F2FS_INLINE_DENTRY) |
Jaegeuk Kim | 205b982 | 2016-05-20 09:52:20 -0700 | [diff] [blame] | 2329 | set_bit(FI_INLINE_DENTRY, &fi->flags); |
Jaegeuk Kim | b3d208f | 2014-10-23 19:48:09 -0700 | [diff] [blame] | 2330 | if (ri->i_inline & F2FS_DATA_EXIST) |
Jaegeuk Kim | 205b982 | 2016-05-20 09:52:20 -0700 | [diff] [blame] | 2331 | set_bit(FI_DATA_EXIST, &fi->flags); |
Jaegeuk Kim | 510022a | 2015-03-30 15:07:16 -0700 | [diff] [blame] | 2332 | if (ri->i_inline & F2FS_INLINE_DOTS) |
Jaegeuk Kim | 205b982 | 2016-05-20 09:52:20 -0700 | [diff] [blame] | 2333 | set_bit(FI_INLINE_DOTS, &fi->flags); |
Chao Yu | fbcf931 | 2017-07-19 00:19:06 +0800 | [diff] [blame] | 2334 | if (ri->i_inline & F2FS_EXTRA_ATTR) |
| 2335 | set_bit(FI_EXTRA_ATTR, &fi->flags); |
Jaegeuk Kim | 9ce3d6b | 2017-12-07 16:25:39 -0800 | [diff] [blame] | 2336 | if (ri->i_inline & F2FS_PIN_FILE) |
| 2337 | set_bit(FI_PIN_FILE, &fi->flags); |
Jaegeuk Kim | 444c580 | 2013-08-08 15:16:22 +0900 | [diff] [blame] | 2338 | } |
| 2339 | |
Jaegeuk Kim | 9194232 | 2016-05-20 10:13:22 -0700 | [diff] [blame] | 2340 | static inline void set_raw_inline(struct inode *inode, struct f2fs_inode *ri) |
Jaegeuk Kim | 444c580 | 2013-08-08 15:16:22 +0900 | [diff] [blame] | 2341 | { |
| 2342 | ri->i_inline = 0; |
| 2343 | |
Jaegeuk Kim | 9194232 | 2016-05-20 10:13:22 -0700 | [diff] [blame] | 2344 | if (is_inode_flag_set(inode, FI_INLINE_XATTR)) |
Jaegeuk Kim | 444c580 | 2013-08-08 15:16:22 +0900 | [diff] [blame] | 2345 | ri->i_inline |= F2FS_INLINE_XATTR; |
Jaegeuk Kim | 9194232 | 2016-05-20 10:13:22 -0700 | [diff] [blame] | 2346 | if (is_inode_flag_set(inode, FI_INLINE_DATA)) |
Huajun Li | 1001b34 | 2013-11-10 23:13:16 +0800 | [diff] [blame] | 2347 | ri->i_inline |= F2FS_INLINE_DATA; |
Jaegeuk Kim | 9194232 | 2016-05-20 10:13:22 -0700 | [diff] [blame] | 2348 | if (is_inode_flag_set(inode, FI_INLINE_DENTRY)) |
Chao Yu | 34d67de | 2014-09-24 18:15:19 +0800 | [diff] [blame] | 2349 | ri->i_inline |= F2FS_INLINE_DENTRY; |
Jaegeuk Kim | 9194232 | 2016-05-20 10:13:22 -0700 | [diff] [blame] | 2350 | if (is_inode_flag_set(inode, FI_DATA_EXIST)) |
Jaegeuk Kim | b3d208f | 2014-10-23 19:48:09 -0700 | [diff] [blame] | 2351 | ri->i_inline |= F2FS_DATA_EXIST; |
Jaegeuk Kim | 9194232 | 2016-05-20 10:13:22 -0700 | [diff] [blame] | 2352 | if (is_inode_flag_set(inode, FI_INLINE_DOTS)) |
Jaegeuk Kim | 510022a | 2015-03-30 15:07:16 -0700 | [diff] [blame] | 2353 | ri->i_inline |= F2FS_INLINE_DOTS; |
Chao Yu | fbcf931 | 2017-07-19 00:19:06 +0800 | [diff] [blame] | 2354 | if (is_inode_flag_set(inode, FI_EXTRA_ATTR)) |
| 2355 | ri->i_inline |= F2FS_EXTRA_ATTR; |
Jaegeuk Kim | 9ce3d6b | 2017-12-07 16:25:39 -0800 | [diff] [blame] | 2356 | if (is_inode_flag_set(inode, FI_PIN_FILE)) |
| 2357 | ri->i_inline |= F2FS_PIN_FILE; |
Chao Yu | fbcf931 | 2017-07-19 00:19:06 +0800 | [diff] [blame] | 2358 | } |
| 2359 | |
| 2360 | static inline int f2fs_has_extra_attr(struct inode *inode) |
| 2361 | { |
| 2362 | return is_inode_flag_set(inode, FI_EXTRA_ATTR); |
Jaegeuk Kim | 444c580 | 2013-08-08 15:16:22 +0900 | [diff] [blame] | 2363 | } |
| 2364 | |
Chao Yu | 987c7c3 | 2014-03-12 15:59:03 +0800 | [diff] [blame] | 2365 | static inline int f2fs_has_inline_xattr(struct inode *inode) |
| 2366 | { |
Jaegeuk Kim | 9194232 | 2016-05-20 10:13:22 -0700 | [diff] [blame] | 2367 | return is_inode_flag_set(inode, FI_INLINE_XATTR); |
Chao Yu | 987c7c3 | 2014-03-12 15:59:03 +0800 | [diff] [blame] | 2368 | } |
| 2369 | |
Chao Yu | 81ca735 | 2016-01-26 15:39:35 +0800 | [diff] [blame] | 2370 | static inline unsigned int addrs_per_inode(struct inode *inode) |
Jaegeuk Kim | de93653 | 2013-08-12 21:08:03 +0900 | [diff] [blame] | 2371 | { |
Chao Yu | 3aa46e2 | 2018-01-17 16:31:36 +0800 | [diff] [blame] | 2372 | return CUR_ADDRS_PER_INODE(inode) - get_inline_xattr_addrs(inode); |
Jaegeuk Kim | de93653 | 2013-08-12 21:08:03 +0900 | [diff] [blame] | 2373 | } |
| 2374 | |
Chao Yu | 50ffaa9 | 2017-09-06 21:59:50 +0800 | [diff] [blame] | 2375 | static inline void *inline_xattr_addr(struct inode *inode, struct page *page) |
Jaegeuk Kim | 65985d9 | 2013-08-14 21:57:27 +0900 | [diff] [blame] | 2376 | { |
Chao Yu | 695fd1e | 2014-02-27 19:52:21 +0800 | [diff] [blame] | 2377 | struct f2fs_inode *ri = F2FS_INODE(page); |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2378 | |
Jaegeuk Kim | 65985d9 | 2013-08-14 21:57:27 +0900 | [diff] [blame] | 2379 | return (void *)&(ri->i_addr[DEF_ADDRS_PER_INODE - |
Chao Yu | 3aa46e2 | 2018-01-17 16:31:36 +0800 | [diff] [blame] | 2380 | get_inline_xattr_addrs(inode)]); |
Jaegeuk Kim | 65985d9 | 2013-08-14 21:57:27 +0900 | [diff] [blame] | 2381 | } |
| 2382 | |
| 2383 | static inline int inline_xattr_size(struct inode *inode) |
| 2384 | { |
Chao Yu | 50ffaa9 | 2017-09-06 21:59:50 +0800 | [diff] [blame] | 2385 | return get_inline_xattr_addrs(inode) * sizeof(__le32); |
Jaegeuk Kim | 65985d9 | 2013-08-14 21:57:27 +0900 | [diff] [blame] | 2386 | } |
| 2387 | |
Jaegeuk Kim | 0dbdc2a | 2013-11-26 11:08:57 +0900 | [diff] [blame] | 2388 | static inline int f2fs_has_inline_data(struct inode *inode) |
| 2389 | { |
Jaegeuk Kim | 9194232 | 2016-05-20 10:13:22 -0700 | [diff] [blame] | 2390 | return is_inode_flag_set(inode, FI_INLINE_DATA); |
Jaegeuk Kim | 0dbdc2a | 2013-11-26 11:08:57 +0900 | [diff] [blame] | 2391 | } |
| 2392 | |
Jaegeuk Kim | b3d208f | 2014-10-23 19:48:09 -0700 | [diff] [blame] | 2393 | static inline int f2fs_exist_data(struct inode *inode) |
| 2394 | { |
Jaegeuk Kim | 9194232 | 2016-05-20 10:13:22 -0700 | [diff] [blame] | 2395 | return is_inode_flag_set(inode, FI_DATA_EXIST); |
Jaegeuk Kim | b3d208f | 2014-10-23 19:48:09 -0700 | [diff] [blame] | 2396 | } |
| 2397 | |
Jaegeuk Kim | 510022a | 2015-03-30 15:07:16 -0700 | [diff] [blame] | 2398 | static inline int f2fs_has_inline_dots(struct inode *inode) |
| 2399 | { |
Jaegeuk Kim | 9194232 | 2016-05-20 10:13:22 -0700 | [diff] [blame] | 2400 | return is_inode_flag_set(inode, FI_INLINE_DOTS); |
Jaegeuk Kim | 510022a | 2015-03-30 15:07:16 -0700 | [diff] [blame] | 2401 | } |
| 2402 | |
Jaegeuk Kim | 9ce3d6b | 2017-12-07 16:25:39 -0800 | [diff] [blame] | 2403 | static inline bool f2fs_is_pinned_file(struct inode *inode) |
| 2404 | { |
| 2405 | return is_inode_flag_set(inode, FI_PIN_FILE); |
| 2406 | } |
| 2407 | |
Jaegeuk Kim | 88b88a6 | 2014-10-06 17:39:50 -0700 | [diff] [blame] | 2408 | static inline bool f2fs_is_atomic_file(struct inode *inode) |
| 2409 | { |
Jaegeuk Kim | 9194232 | 2016-05-20 10:13:22 -0700 | [diff] [blame] | 2410 | return is_inode_flag_set(inode, FI_ATOMIC_FILE); |
Jaegeuk Kim | 88b88a6 | 2014-10-06 17:39:50 -0700 | [diff] [blame] | 2411 | } |
| 2412 | |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2413 | static inline bool f2fs_is_commit_atomic_write(struct inode *inode) |
| 2414 | { |
| 2415 | return is_inode_flag_set(inode, FI_ATOMIC_COMMIT); |
| 2416 | } |
| 2417 | |
Jaegeuk Kim | 02a1335 | 2014-10-06 16:11:16 -0700 | [diff] [blame] | 2418 | static inline bool f2fs_is_volatile_file(struct inode *inode) |
| 2419 | { |
Jaegeuk Kim | 9194232 | 2016-05-20 10:13:22 -0700 | [diff] [blame] | 2420 | return is_inode_flag_set(inode, FI_VOLATILE_FILE); |
Jaegeuk Kim | 02a1335 | 2014-10-06 16:11:16 -0700 | [diff] [blame] | 2421 | } |
| 2422 | |
Jaegeuk Kim | 3c6c2be | 2015-03-17 17:16:35 -0700 | [diff] [blame] | 2423 | static inline bool f2fs_is_first_block_written(struct inode *inode) |
| 2424 | { |
Jaegeuk Kim | 9194232 | 2016-05-20 10:13:22 -0700 | [diff] [blame] | 2425 | return is_inode_flag_set(inode, FI_FIRST_BLOCK_WRITTEN); |
Jaegeuk Kim | 3c6c2be | 2015-03-17 17:16:35 -0700 | [diff] [blame] | 2426 | } |
| 2427 | |
Jaegeuk Kim | 1e84371 | 2014-12-09 06:08:59 -0800 | [diff] [blame] | 2428 | static inline bool f2fs_is_drop_cache(struct inode *inode) |
| 2429 | { |
Jaegeuk Kim | 9194232 | 2016-05-20 10:13:22 -0700 | [diff] [blame] | 2430 | return is_inode_flag_set(inode, FI_DROP_CACHE); |
Jaegeuk Kim | 1e84371 | 2014-12-09 06:08:59 -0800 | [diff] [blame] | 2431 | } |
| 2432 | |
Chao Yu | e84f88e | 2017-07-19 00:19:05 +0800 | [diff] [blame] | 2433 | static inline void *inline_data_addr(struct inode *inode, struct page *page) |
Huajun Li | 1001b34 | 2013-11-10 23:13:16 +0800 | [diff] [blame] | 2434 | { |
Chao Yu | 695fd1e | 2014-02-27 19:52:21 +0800 | [diff] [blame] | 2435 | struct f2fs_inode *ri = F2FS_INODE(page); |
Chao Yu | fbcf931 | 2017-07-19 00:19:06 +0800 | [diff] [blame] | 2436 | int extra_size = get_extra_isize(inode); |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2437 | |
Chao Yu | fbcf931 | 2017-07-19 00:19:06 +0800 | [diff] [blame] | 2438 | return (void *)&(ri->i_addr[extra_size + DEF_INLINE_RESERVED_SIZE]); |
Huajun Li | 1001b34 | 2013-11-10 23:13:16 +0800 | [diff] [blame] | 2439 | } |
| 2440 | |
Chao Yu | 34d67de | 2014-09-24 18:15:19 +0800 | [diff] [blame] | 2441 | static inline int f2fs_has_inline_dentry(struct inode *inode) |
| 2442 | { |
Jaegeuk Kim | 9194232 | 2016-05-20 10:13:22 -0700 | [diff] [blame] | 2443 | return is_inode_flag_set(inode, FI_INLINE_DENTRY); |
Chao Yu | 34d67de | 2014-09-24 18:15:19 +0800 | [diff] [blame] | 2444 | } |
| 2445 | |
Jaegeuk Kim | b5492af7 | 2015-04-20 13:44:41 -0700 | [diff] [blame] | 2446 | static inline int is_file(struct inode *inode, int type) |
| 2447 | { |
| 2448 | return F2FS_I(inode)->i_advise & type; |
| 2449 | } |
| 2450 | |
| 2451 | static inline void set_file(struct inode *inode, int type) |
| 2452 | { |
| 2453 | F2FS_I(inode)->i_advise |= type; |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2454 | f2fs_mark_inode_dirty_sync(inode, true); |
Jaegeuk Kim | b5492af7 | 2015-04-20 13:44:41 -0700 | [diff] [blame] | 2455 | } |
| 2456 | |
| 2457 | static inline void clear_file(struct inode *inode, int type) |
| 2458 | { |
| 2459 | F2FS_I(inode)->i_advise &= ~type; |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2460 | f2fs_mark_inode_dirty_sync(inode, true); |
| 2461 | } |
| 2462 | |
| 2463 | static inline bool f2fs_skip_inode_update(struct inode *inode, int dsync) |
| 2464 | { |
Chao Yu | 33fdebb | 2017-10-09 17:55:19 +0800 | [diff] [blame] | 2465 | bool ret; |
| 2466 | |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2467 | if (dsync) { |
| 2468 | struct f2fs_sb_info *sbi = F2FS_I_SB(inode); |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2469 | |
| 2470 | spin_lock(&sbi->inode_lock[DIRTY_META]); |
| 2471 | ret = list_empty(&F2FS_I(inode)->gdirty_list); |
| 2472 | spin_unlock(&sbi->inode_lock[DIRTY_META]); |
| 2473 | return ret; |
| 2474 | } |
| 2475 | if (!is_inode_flag_set(inode, FI_AUTO_RECOVER) || |
| 2476 | file_keep_isize(inode) || |
Junling Zheng | 4478970 | 2018-03-29 19:27:12 +0800 | [diff] [blame] | 2477 | i_size_read(inode) & ~PAGE_MASK) |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2478 | return false; |
Chao Yu | 33fdebb | 2017-10-09 17:55:19 +0800 | [diff] [blame] | 2479 | |
Jaegeuk Kim | ac389af | 2018-03-29 22:50:41 -0700 | [diff] [blame] | 2480 | if (!timespec_equal(F2FS_I(inode)->i_disk_time, &inode->i_atime)) |
| 2481 | return false; |
| 2482 | if (!timespec_equal(F2FS_I(inode)->i_disk_time + 1, &inode->i_ctime)) |
| 2483 | return false; |
| 2484 | if (!timespec_equal(F2FS_I(inode)->i_disk_time + 2, &inode->i_mtime)) |
| 2485 | return false; |
| 2486 | if (!timespec_equal(F2FS_I(inode)->i_disk_time + 3, |
| 2487 | &F2FS_I(inode)->i_crtime)) |
| 2488 | return false; |
| 2489 | |
Chao Yu | 33fdebb | 2017-10-09 17:55:19 +0800 | [diff] [blame] | 2490 | down_read(&F2FS_I(inode)->i_sem); |
| 2491 | ret = F2FS_I(inode)->last_disk_size == i_size_read(inode); |
| 2492 | up_read(&F2FS_I(inode)->i_sem); |
| 2493 | |
| 2494 | return ret; |
Jaegeuk Kim | b5492af7 | 2015-04-20 13:44:41 -0700 | [diff] [blame] | 2495 | } |
| 2496 | |
Chao Yu | 8f711c3 | 2018-03-01 23:40:31 +0800 | [diff] [blame] | 2497 | static inline bool f2fs_readonly(struct super_block *sb) |
Jaegeuk Kim | 77888c1 | 2013-05-20 20:28:47 +0900 | [diff] [blame] | 2498 | { |
| 2499 | return sb->s_flags & MS_RDONLY; |
| 2500 | } |
| 2501 | |
Jaegeuk Kim | 1e968fd | 2014-08-11 16:49:25 -0700 | [diff] [blame] | 2502 | static inline bool f2fs_cp_error(struct f2fs_sb_info *sbi) |
| 2503 | { |
Chao Yu | aaec2b1 | 2016-09-20 11:04:18 +0800 | [diff] [blame] | 2504 | return is_set_ckpt_flags(sbi, CP_ERROR_FLAG); |
Jaegeuk Kim | 1e968fd | 2014-08-11 16:49:25 -0700 | [diff] [blame] | 2505 | } |
| 2506 | |
Jaegeuk Kim | eaa693f | 2015-04-26 00:15:29 -0700 | [diff] [blame] | 2507 | static inline bool is_dot_dotdot(const struct qstr *str) |
| 2508 | { |
| 2509 | if (str->len == 1 && str->name[0] == '.') |
| 2510 | return true; |
| 2511 | |
| 2512 | if (str->len == 2 && str->name[0] == '.' && str->name[1] == '.') |
| 2513 | return true; |
| 2514 | |
| 2515 | return false; |
| 2516 | } |
| 2517 | |
Jaegeuk Kim | 3e72f72 | 2015-06-19 17:53:26 -0700 | [diff] [blame] | 2518 | static inline bool f2fs_may_extent_tree(struct inode *inode) |
| 2519 | { |
Jaegeuk Kim | 3e72f72 | 2015-06-19 17:53:26 -0700 | [diff] [blame] | 2520 | if (!test_opt(F2FS_I_SB(inode), EXTENT_CACHE) || |
Jaegeuk Kim | 9194232 | 2016-05-20 10:13:22 -0700 | [diff] [blame] | 2521 | is_inode_flag_set(inode, FI_NO_EXTENT)) |
Jaegeuk Kim | 3e72f72 | 2015-06-19 17:53:26 -0700 | [diff] [blame] | 2522 | return false; |
| 2523 | |
Al Viro | 886f56f | 2015-12-05 03:56:06 -0500 | [diff] [blame] | 2524 | return S_ISREG(inode->i_mode); |
Jaegeuk Kim | 3e72f72 | 2015-06-19 17:53:26 -0700 | [diff] [blame] | 2525 | } |
| 2526 | |
Chao Yu | 1ecc0c5 | 2016-09-23 21:30:09 +0800 | [diff] [blame] | 2527 | static inline void *f2fs_kmalloc(struct f2fs_sb_info *sbi, |
| 2528 | size_t size, gfp_t flags) |
Jaegeuk Kim | 0414b00 | 2016-04-29 15:16:42 -0700 | [diff] [blame] | 2529 | { |
Jaegeuk Kim | 2c63fea | 2016-04-29 15:49:56 -0700 | [diff] [blame] | 2530 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2531 | if (time_to_inject(sbi, FAULT_KMALLOC)) { |
| 2532 | f2fs_show_injection_info(FAULT_KMALLOC); |
Jaegeuk Kim | 2c63fea | 2016-04-29 15:49:56 -0700 | [diff] [blame] | 2533 | return NULL; |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2534 | } |
Jaegeuk Kim | 2c63fea | 2016-04-29 15:49:56 -0700 | [diff] [blame] | 2535 | #endif |
Jaegeuk Kim | 0414b00 | 2016-04-29 15:16:42 -0700 | [diff] [blame] | 2536 | return kmalloc(size, flags); |
| 2537 | } |
| 2538 | |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2539 | static inline void *kvmalloc(size_t size, gfp_t flags) |
Jaegeuk Kim | 39307a8 | 2015-09-22 13:50:47 -0700 | [diff] [blame] | 2540 | { |
| 2541 | void *ret; |
| 2542 | |
| 2543 | ret = kmalloc(size, flags | __GFP_NOWARN); |
| 2544 | if (!ret) |
| 2545 | ret = __vmalloc(size, flags, PAGE_KERNEL); |
| 2546 | return ret; |
| 2547 | } |
| 2548 | |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2549 | static inline void *kvzalloc(size_t size, gfp_t flags) |
Jaegeuk Kim | 39307a8 | 2015-09-22 13:50:47 -0700 | [diff] [blame] | 2550 | { |
| 2551 | void *ret; |
| 2552 | |
| 2553 | ret = kzalloc(size, flags | __GFP_NOWARN); |
| 2554 | if (!ret) |
| 2555 | ret = __vmalloc(size, flags | __GFP_ZERO, PAGE_KERNEL); |
| 2556 | return ret; |
| 2557 | } |
| 2558 | |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2559 | static inline int wbc_to_write_flags(struct writeback_control *wbc) |
| 2560 | { |
| 2561 | if (wbc->sync_mode == WB_SYNC_ALL) |
| 2562 | return REQ_SYNC; |
| 2563 | else if (wbc->for_kupdate || wbc->for_background) |
| 2564 | return 0; |
| 2565 | |
| 2566 | return 0; |
| 2567 | } |
| 2568 | |
Chao Yu | e585ca2 | 2017-11-30 19:28:17 +0800 | [diff] [blame] | 2569 | static inline void *f2fs_kzalloc(struct f2fs_sb_info *sbi, |
| 2570 | size_t size, gfp_t flags) |
| 2571 | { |
| 2572 | return f2fs_kmalloc(sbi, size, flags | __GFP_ZERO); |
| 2573 | } |
| 2574 | |
Chao Yu | ead5259 | 2017-11-30 19:28:18 +0800 | [diff] [blame] | 2575 | static inline void *f2fs_kvmalloc(struct f2fs_sb_info *sbi, |
| 2576 | size_t size, gfp_t flags) |
| 2577 | { |
| 2578 | #ifdef CONFIG_F2FS_FAULT_INJECTION |
| 2579 | if (time_to_inject(sbi, FAULT_KVMALLOC)) { |
| 2580 | f2fs_show_injection_info(FAULT_KVMALLOC); |
| 2581 | return NULL; |
| 2582 | } |
| 2583 | #endif |
| 2584 | return kvmalloc(size, flags); |
| 2585 | } |
| 2586 | |
| 2587 | static inline void *f2fs_kvzalloc(struct f2fs_sb_info *sbi, |
| 2588 | size_t size, gfp_t flags) |
| 2589 | { |
| 2590 | return f2fs_kvmalloc(sbi, size, flags | __GFP_ZERO); |
| 2591 | } |
| 2592 | |
Chao Yu | fbcf931 | 2017-07-19 00:19:06 +0800 | [diff] [blame] | 2593 | static inline int get_extra_isize(struct inode *inode) |
Chao Yu | e84f88e | 2017-07-19 00:19:05 +0800 | [diff] [blame] | 2594 | { |
Chao Yu | fbcf931 | 2017-07-19 00:19:06 +0800 | [diff] [blame] | 2595 | return F2FS_I(inode)->i_extra_isize / sizeof(__le32); |
Chao Yu | e84f88e | 2017-07-19 00:19:05 +0800 | [diff] [blame] | 2596 | } |
| 2597 | |
Chao Yu | 50ffaa9 | 2017-09-06 21:59:50 +0800 | [diff] [blame] | 2598 | static inline int get_inline_xattr_addrs(struct inode *inode) |
| 2599 | { |
| 2600 | return F2FS_I(inode)->i_inline_xattr_size; |
| 2601 | } |
| 2602 | |
Christoph Hellwig | a6dda0e | 2013-12-20 05:16:45 -0800 | [diff] [blame] | 2603 | #define get_inode_mode(i) \ |
Jaegeuk Kim | 9194232 | 2016-05-20 10:13:22 -0700 | [diff] [blame] | 2604 | ((is_inode_flag_set(i, FI_ACL_MODE)) ? \ |
Christoph Hellwig | a6dda0e | 2013-12-20 05:16:45 -0800 | [diff] [blame] | 2605 | (F2FS_I(i)->i_acl_mode) : ((i)->i_mode)) |
| 2606 | |
Chao Yu | fbcf931 | 2017-07-19 00:19:06 +0800 | [diff] [blame] | 2607 | #define F2FS_TOTAL_EXTRA_ATTR_SIZE \ |
| 2608 | (offsetof(struct f2fs_inode, i_extra_end) - \ |
| 2609 | offsetof(struct f2fs_inode, i_extra_isize)) \ |
| 2610 | |
Chao Yu | 5647b30 | 2017-07-26 00:01:41 +0800 | [diff] [blame] | 2611 | #define F2FS_OLD_ATTRIBUTE_SIZE (offsetof(struct f2fs_inode, i_addr)) |
| 2612 | #define F2FS_FITS_IN_INODE(f2fs_inode, extra_isize, field) \ |
| 2613 | ((offsetof(typeof(*f2fs_inode), field) + \ |
| 2614 | sizeof((f2fs_inode)->field)) \ |
| 2615 | <= (F2FS_OLD_ATTRIBUTE_SIZE + extra_isize)) \ |
| 2616 | |
Chao Yu | c0fe488 | 2017-08-02 23:21:48 +0800 | [diff] [blame] | 2617 | static inline void f2fs_reset_iostat(struct f2fs_sb_info *sbi) |
| 2618 | { |
| 2619 | int i; |
| 2620 | |
| 2621 | spin_lock(&sbi->iostat_lock); |
| 2622 | for (i = 0; i < NR_IO_TYPE; i++) |
| 2623 | sbi->write_iostat[i] = 0; |
| 2624 | spin_unlock(&sbi->iostat_lock); |
| 2625 | } |
| 2626 | |
| 2627 | static inline void f2fs_update_iostat(struct f2fs_sb_info *sbi, |
| 2628 | enum iostat_type type, unsigned long long io_bytes) |
| 2629 | { |
| 2630 | if (!sbi->iostat_enable) |
| 2631 | return; |
| 2632 | spin_lock(&sbi->iostat_lock); |
| 2633 | sbi->write_iostat[type] += io_bytes; |
| 2634 | |
| 2635 | if (type == APP_WRITE_IO || type == APP_DIRECT_IO) |
| 2636 | sbi->write_iostat[APP_BUFFERED_IO] = |
| 2637 | sbi->write_iostat[APP_WRITE_IO] - |
| 2638 | sbi->write_iostat[APP_DIRECT_IO]; |
| 2639 | spin_unlock(&sbi->iostat_lock); |
| 2640 | } |
| 2641 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2642 | /* |
| 2643 | * file.c |
| 2644 | */ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2645 | int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync); |
| 2646 | void truncate_data_blocks(struct dnode_of_data *dn); |
| 2647 | int truncate_blocks(struct inode *inode, u64 from, bool lock); |
| 2648 | int f2fs_truncate(struct inode *inode); |
| 2649 | int f2fs_getattr(struct vfsmount *mnt, struct dentry *dentry, |
| 2650 | struct kstat *stat); |
| 2651 | int f2fs_setattr(struct dentry *dentry, struct iattr *attr); |
| 2652 | int truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end); |
Chao Yu | a74690b | 2017-11-30 19:28:23 +0800 | [diff] [blame] | 2653 | void truncate_data_blocks_range(struct dnode_of_data *dn, int count); |
Chao Yu | 6bce963 | 2018-01-11 14:42:30 +0800 | [diff] [blame] | 2654 | int f2fs_precache_extents(struct inode *inode); |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2655 | long f2fs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); |
| 2656 | long f2fs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg); |
Jaegeuk Kim | 9ce3d6b | 2017-12-07 16:25:39 -0800 | [diff] [blame] | 2657 | int f2fs_pin_file_control(struct inode *inode, bool inc); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2658 | |
| 2659 | /* |
| 2660 | * inode.c |
| 2661 | */ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2662 | void f2fs_set_inode_flags(struct inode *inode); |
Chao Yu | 4310125 | 2017-07-31 20:19:09 +0800 | [diff] [blame] | 2663 | bool f2fs_inode_chksum_verify(struct f2fs_sb_info *sbi, struct page *page); |
| 2664 | void f2fs_inode_chksum_set(struct f2fs_sb_info *sbi, struct page *page); |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2665 | struct inode *f2fs_iget(struct super_block *sb, unsigned long ino); |
| 2666 | struct inode *f2fs_iget_retry(struct super_block *sb, unsigned long ino); |
| 2667 | int try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink); |
Yunlei He | e2a0518 | 2017-12-05 12:07:47 +0800 | [diff] [blame] | 2668 | void update_inode(struct inode *inode, struct page *node_page); |
| 2669 | void update_inode_page(struct inode *inode); |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2670 | int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc); |
| 2671 | void f2fs_evict_inode(struct inode *inode); |
| 2672 | void handle_failed_inode(struct inode *inode); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2673 | |
| 2674 | /* |
| 2675 | * namei.c |
| 2676 | */ |
Chao Yu | 1e72cb2 | 2018-02-26 22:04:13 +0800 | [diff] [blame] | 2677 | int update_extension_list(struct f2fs_sb_info *sbi, const char *name, |
Chao Yu | ac734c4 | 2018-02-28 17:07:27 +0800 | [diff] [blame] | 2678 | bool hot, bool set); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2679 | struct dentry *f2fs_get_parent(struct dentry *child); |
| 2680 | |
| 2681 | /* |
| 2682 | * dir.c |
| 2683 | */ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2684 | void set_de_type(struct f2fs_dir_entry *de, umode_t mode); |
| 2685 | unsigned char get_de_type(struct f2fs_dir_entry *de); |
| 2686 | struct f2fs_dir_entry *find_target_dentry(struct fscrypt_name *fname, |
| 2687 | f2fs_hash_t namehash, int *max_slots, |
| 2688 | struct f2fs_dentry_ptr *d); |
| 2689 | int f2fs_fill_dentries(struct dir_context *ctx, struct f2fs_dentry_ptr *d, |
| 2690 | unsigned int start_pos, struct fscrypt_str *fstr); |
| 2691 | void do_make_empty_dir(struct inode *inode, struct inode *parent, |
| 2692 | struct f2fs_dentry_ptr *d); |
| 2693 | struct page *init_inode_metadata(struct inode *inode, struct inode *dir, |
| 2694 | const struct qstr *new_name, |
| 2695 | const struct qstr *orig_name, struct page *dpage); |
| 2696 | void update_parent_metadata(struct inode *dir, struct inode *inode, |
| 2697 | unsigned int current_depth); |
| 2698 | int room_for_filename(const void *bitmap, int slots, int max_slots); |
| 2699 | void f2fs_drop_nlink(struct inode *dir, struct inode *inode); |
| 2700 | struct f2fs_dir_entry *__f2fs_find_entry(struct inode *dir, |
| 2701 | struct fscrypt_name *fname, struct page **res_page); |
| 2702 | struct f2fs_dir_entry *f2fs_find_entry(struct inode *dir, |
| 2703 | const struct qstr *child, struct page **res_page); |
| 2704 | struct f2fs_dir_entry *f2fs_parent_dir(struct inode *dir, struct page **p); |
| 2705 | ino_t f2fs_inode_by_name(struct inode *dir, const struct qstr *qstr, |
| 2706 | struct page **page); |
| 2707 | void f2fs_set_link(struct inode *dir, struct f2fs_dir_entry *de, |
| 2708 | struct page *page, struct inode *inode); |
| 2709 | void f2fs_update_dentry(nid_t ino, umode_t mode, struct f2fs_dentry_ptr *d, |
| 2710 | const struct qstr *name, f2fs_hash_t name_hash, |
| 2711 | unsigned int bit_pos); |
| 2712 | int f2fs_add_regular_entry(struct inode *dir, const struct qstr *new_name, |
| 2713 | const struct qstr *orig_name, |
| 2714 | struct inode *inode, nid_t ino, umode_t mode); |
| 2715 | int __f2fs_do_add_link(struct inode *dir, struct fscrypt_name *fname, |
| 2716 | struct inode *inode, nid_t ino, umode_t mode); |
| 2717 | int __f2fs_add_link(struct inode *dir, const struct qstr *name, |
| 2718 | struct inode *inode, nid_t ino, umode_t mode); |
| 2719 | void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page, |
| 2720 | struct inode *dir, struct inode *inode); |
| 2721 | int f2fs_do_tmpfile(struct inode *inode, struct inode *dir); |
| 2722 | bool f2fs_empty_dir(struct inode *dir); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2723 | |
Al Viro | b7f7a5e | 2013-01-25 16:15:43 -0500 | [diff] [blame] | 2724 | static inline int f2fs_add_link(struct dentry *dentry, struct inode *inode) |
| 2725 | { |
David Howells | 2b0143b | 2015-03-17 22:25:59 +0000 | [diff] [blame] | 2726 | return __f2fs_add_link(d_inode(dentry->d_parent), &dentry->d_name, |
Jaegeuk Kim | 510022a | 2015-03-30 15:07:16 -0700 | [diff] [blame] | 2727 | inode, inode->i_ino, inode->i_mode); |
Al Viro | b7f7a5e | 2013-01-25 16:15:43 -0500 | [diff] [blame] | 2728 | } |
| 2729 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2730 | /* |
| 2731 | * super.c |
| 2732 | */ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2733 | int f2fs_inode_dirtied(struct inode *inode, bool sync); |
| 2734 | void f2fs_inode_synced(struct inode *inode); |
Jaegeuk Kim | 0108c48 | 2017-10-06 09:14:28 -0700 | [diff] [blame] | 2735 | int f2fs_enable_quota_files(struct f2fs_sb_info *sbi, bool rdonly); |
Chao Yu | 41ad73f | 2017-08-08 10:54:31 +0800 | [diff] [blame] | 2736 | void f2fs_quota_off_umount(struct super_block *sb); |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2737 | int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover); |
| 2738 | int f2fs_sync_fs(struct super_block *sb, int sync); |
Namjae Jeon | a07ef78 | 2012-12-30 14:52:05 +0900 | [diff] [blame] | 2739 | extern __printf(3, 4) |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2740 | void f2fs_msg(struct super_block *sb, const char *level, const char *fmt, ...); |
Shawn Lin | 984ec63 | 2016-02-17 11:26:32 +0800 | [diff] [blame] | 2741 | int sanity_check_ckpt(struct f2fs_sb_info *sbi); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2742 | |
| 2743 | /* |
| 2744 | * hash.c |
| 2745 | */ |
Jaegeuk Kim | 8daed21 | 2017-04-24 10:00:08 -0700 | [diff] [blame] | 2746 | f2fs_hash_t f2fs_dentry_hash(const struct qstr *name_info, |
| 2747 | struct fscrypt_name *fname); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2748 | |
| 2749 | /* |
| 2750 | * node.c |
| 2751 | */ |
| 2752 | struct dnode_of_data; |
| 2753 | struct node_info; |
| 2754 | |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2755 | bool available_free_memory(struct f2fs_sb_info *sbi, int type); |
| 2756 | int need_dentry_mark(struct f2fs_sb_info *sbi, nid_t nid); |
| 2757 | bool is_checkpointed_node(struct f2fs_sb_info *sbi, nid_t nid); |
| 2758 | bool need_inode_block_update(struct f2fs_sb_info *sbi, nid_t ino); |
| 2759 | void get_node_info(struct f2fs_sb_info *sbi, nid_t nid, struct node_info *ni); |
| 2760 | pgoff_t get_next_page_offset(struct dnode_of_data *dn, pgoff_t pgofs); |
| 2761 | int get_dnode_of_data(struct dnode_of_data *dn, pgoff_t index, int mode); |
| 2762 | int truncate_inode_blocks(struct inode *inode, pgoff_t from); |
Jaegeuk Kim | 41d5923 | 2017-10-19 11:48:57 -0700 | [diff] [blame] | 2763 | int truncate_xattr_node(struct inode *inode); |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2764 | int wait_on_node_pages_writeback(struct f2fs_sb_info *sbi, nid_t ino); |
| 2765 | int remove_inode_page(struct inode *inode); |
| 2766 | struct page *new_inode_page(struct inode *inode); |
Yunlei He | 40df136 | 2017-07-17 19:16:11 +0800 | [diff] [blame] | 2767 | struct page *new_node_page(struct dnode_of_data *dn, unsigned int ofs); |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2768 | void ra_node_page(struct f2fs_sb_info *sbi, nid_t nid); |
| 2769 | struct page *get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid); |
| 2770 | struct page *get_node_page_ra(struct page *parent, int start); |
| 2771 | void move_node_page(struct page *node_page, int gc_type); |
| 2772 | int fsync_node_pages(struct f2fs_sb_info *sbi, struct inode *inode, |
| 2773 | struct writeback_control *wbc, bool atomic); |
Yunlong Song | 0c535c5 | 2017-07-27 20:11:00 +0800 | [diff] [blame] | 2774 | int sync_node_pages(struct f2fs_sb_info *sbi, struct writeback_control *wbc, |
Chao Yu | c0fe488 | 2017-08-02 23:21:48 +0800 | [diff] [blame] | 2775 | bool do_balance, enum iostat_type io_type); |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2776 | void build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount); |
| 2777 | bool alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid); |
| 2778 | void alloc_nid_done(struct f2fs_sb_info *sbi, nid_t nid); |
| 2779 | void alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid); |
| 2780 | int try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink); |
| 2781 | void recover_inline_xattr(struct inode *inode, struct page *page); |
Sheng Yong | 8933908 | 2017-11-22 18:23:40 +0800 | [diff] [blame] | 2782 | int recover_xattr_data(struct inode *inode, struct page *page); |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2783 | int recover_inode_page(struct f2fs_sb_info *sbi, struct page *page); |
Yunlei He | c804fcf | 2017-12-06 11:31:29 +0800 | [diff] [blame] | 2784 | void restore_node_summary(struct f2fs_sb_info *sbi, |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2785 | unsigned int segno, struct f2fs_summary_block *sum); |
| 2786 | void flush_nat_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc); |
| 2787 | int build_node_manager(struct f2fs_sb_info *sbi); |
| 2788 | void destroy_node_manager(struct f2fs_sb_info *sbi); |
Namjae Jeon | 6e6093a | 2013-01-17 00:08:30 +0900 | [diff] [blame] | 2789 | int __init create_node_manager_caches(void); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2790 | void destroy_node_manager_caches(void); |
| 2791 | |
| 2792 | /* |
| 2793 | * segment.c |
| 2794 | */ |
Jaegeuk Kim | 2b170fc | 2017-09-09 11:11:04 -0700 | [diff] [blame] | 2795 | bool need_SSR(struct f2fs_sb_info *sbi); |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2796 | void register_inmem_page(struct inode *inode, struct page *page); |
Jaegeuk Kim | 35e13ca | 2017-10-18 19:05:57 -0700 | [diff] [blame] | 2797 | void drop_inmem_pages_all(struct f2fs_sb_info *sbi); |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2798 | void drop_inmem_pages(struct inode *inode); |
| 2799 | void drop_inmem_page(struct inode *inode, struct page *page); |
| 2800 | int commit_inmem_pages(struct inode *inode); |
| 2801 | void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need); |
| 2802 | void f2fs_balance_fs_bg(struct f2fs_sb_info *sbi); |
Chao Yu | f014be8 | 2017-09-29 13:59:38 +0800 | [diff] [blame] | 2803 | int f2fs_issue_flush(struct f2fs_sb_info *sbi, nid_t ino); |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2804 | int create_flush_cmd_control(struct f2fs_sb_info *sbi); |
Chao Yu | fd6422e | 2017-09-29 13:59:39 +0800 | [diff] [blame] | 2805 | int f2fs_flush_device_cache(struct f2fs_sb_info *sbi); |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2806 | void destroy_flush_cmd_control(struct f2fs_sb_info *sbi, bool free); |
| 2807 | void invalidate_blocks(struct f2fs_sb_info *sbi, block_t addr); |
| 2808 | bool is_checkpointed_data(struct f2fs_sb_info *sbi, block_t blkaddr); |
Chao Yu | 1a3b004 | 2018-01-18 17:23:29 +0800 | [diff] [blame] | 2809 | void drop_discard_cmd(struct f2fs_sb_info *sbi); |
Chao Yu | d9d85cc | 2017-06-29 23:17:45 +0800 | [diff] [blame] | 2810 | void stop_discard_thread(struct f2fs_sb_info *sbi); |
Chao Yu | 1e5305a | 2017-10-04 09:08:37 +0800 | [diff] [blame] | 2811 | bool f2fs_wait_discard_bios(struct f2fs_sb_info *sbi); |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2812 | void clear_prefree_segments(struct f2fs_sb_info *sbi, struct cp_control *cpc); |
| 2813 | void release_discard_addrs(struct f2fs_sb_info *sbi); |
| 2814 | int npages_for_summary_flush(struct f2fs_sb_info *sbi, bool for_ra); |
| 2815 | void allocate_new_segments(struct f2fs_sb_info *sbi); |
| 2816 | int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range); |
| 2817 | bool exist_trim_candidates(struct f2fs_sb_info *sbi, struct cp_control *cpc); |
| 2818 | struct page *get_sum_page(struct f2fs_sb_info *sbi, unsigned int segno); |
| 2819 | void update_meta_page(struct f2fs_sb_info *sbi, void *src, block_t blk_addr); |
Chao Yu | c0fe488 | 2017-08-02 23:21:48 +0800 | [diff] [blame] | 2820 | void write_meta_page(struct f2fs_sb_info *sbi, struct page *page, |
| 2821 | enum iostat_type io_type); |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2822 | void write_node_page(unsigned int nid, struct f2fs_io_info *fio); |
| 2823 | void write_data_page(struct dnode_of_data *dn, struct f2fs_io_info *fio); |
| 2824 | int rewrite_data_page(struct f2fs_io_info *fio); |
| 2825 | void __f2fs_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum, |
| 2826 | block_t old_blkaddr, block_t new_blkaddr, |
| 2827 | bool recover_curseg, bool recover_newaddr); |
| 2828 | void f2fs_replace_block(struct f2fs_sb_info *sbi, struct dnode_of_data *dn, |
| 2829 | block_t old_addr, block_t new_addr, |
| 2830 | unsigned char version, bool recover_curseg, |
| 2831 | bool recover_newaddr); |
| 2832 | void allocate_data_block(struct f2fs_sb_info *sbi, struct page *page, |
| 2833 | block_t old_blkaddr, block_t *new_blkaddr, |
Chao Yu | c52dc0f | 2017-05-19 23:37:01 +0800 | [diff] [blame] | 2834 | struct f2fs_summary *sum, int type, |
| 2835 | struct f2fs_io_info *fio, bool add_list); |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2836 | void f2fs_wait_on_page_writeback(struct page *page, |
| 2837 | enum page_type type, bool ordered); |
Jaegeuk Kim | fb605d0 | 2017-09-05 17:04:35 -0700 | [diff] [blame] | 2838 | void f2fs_wait_on_block_writeback(struct f2fs_sb_info *sbi, block_t blkaddr); |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2839 | void write_data_summaries(struct f2fs_sb_info *sbi, block_t start_blk); |
| 2840 | void write_node_summaries(struct f2fs_sb_info *sbi, block_t start_blk); |
| 2841 | int lookup_journal_in_cursum(struct f2fs_journal *journal, int type, |
| 2842 | unsigned int val, int alloc); |
| 2843 | void flush_sit_entries(struct f2fs_sb_info *sbi, struct cp_control *cpc); |
| 2844 | int build_segment_manager(struct f2fs_sb_info *sbi); |
| 2845 | void destroy_segment_manager(struct f2fs_sb_info *sbi); |
Jaegeuk Kim | 7fd9e54 | 2013-11-15 13:55:58 +0900 | [diff] [blame] | 2846 | int __init create_segment_manager_caches(void); |
| 2847 | void destroy_segment_manager_caches(void); |
Hyunchul Lee | 1a9d6a9 | 2017-11-28 09:23:00 +0900 | [diff] [blame] | 2848 | int rw_hint_to_seg_type(enum rw_hint hint); |
Hyunchul Lee | bcdc571 | 2018-01-31 11:36:57 +0900 | [diff] [blame] | 2849 | enum rw_hint io_type_to_rw_hint(struct f2fs_sb_info *sbi, enum page_type type, |
| 2850 | enum temp_type temp); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2851 | |
| 2852 | /* |
| 2853 | * checkpoint.c |
| 2854 | */ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2855 | void f2fs_stop_checkpoint(struct f2fs_sb_info *sbi, bool end_io); |
| 2856 | struct page *grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index); |
| 2857 | struct page *get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index); |
| 2858 | struct page *get_tmp_page(struct f2fs_sb_info *sbi, pgoff_t index); |
| 2859 | bool is_valid_blkaddr(struct f2fs_sb_info *sbi, block_t blkaddr, int type); |
| 2860 | int ra_meta_pages(struct f2fs_sb_info *sbi, block_t start, int nrpages, |
| 2861 | int type, bool sync); |
| 2862 | void ra_meta_pages_cond(struct f2fs_sb_info *sbi, pgoff_t index); |
| 2863 | long sync_meta_pages(struct f2fs_sb_info *sbi, enum page_type type, |
Chao Yu | c0fe488 | 2017-08-02 23:21:48 +0800 | [diff] [blame] | 2864 | long nr_to_write, enum iostat_type io_type); |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2865 | void add_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type); |
| 2866 | void remove_ino_entry(struct f2fs_sb_info *sbi, nid_t ino, int type); |
| 2867 | void release_ino_entry(struct f2fs_sb_info *sbi, bool all); |
| 2868 | bool exist_written_data(struct f2fs_sb_info *sbi, nid_t ino, int mode); |
Chao Yu | f014be8 | 2017-09-29 13:59:38 +0800 | [diff] [blame] | 2869 | void set_dirty_device(struct f2fs_sb_info *sbi, nid_t ino, |
| 2870 | unsigned int devidx, int type); |
| 2871 | bool is_dirty_device(struct f2fs_sb_info *sbi, nid_t ino, |
| 2872 | unsigned int devidx, int type); |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2873 | int f2fs_sync_inode_meta(struct f2fs_sb_info *sbi); |
| 2874 | int acquire_orphan_inode(struct f2fs_sb_info *sbi); |
| 2875 | void release_orphan_inode(struct f2fs_sb_info *sbi); |
| 2876 | void add_orphan_inode(struct inode *inode); |
| 2877 | void remove_orphan_inode(struct f2fs_sb_info *sbi, nid_t ino); |
| 2878 | int recover_orphan_inodes(struct f2fs_sb_info *sbi); |
| 2879 | int get_valid_checkpoint(struct f2fs_sb_info *sbi); |
| 2880 | void update_dirty_page(struct inode *inode, struct page *page); |
| 2881 | void remove_dirty_inode(struct inode *inode); |
| 2882 | int sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type); |
| 2883 | int write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc); |
| 2884 | void init_ino_entry_info(struct f2fs_sb_info *sbi); |
Namjae Jeon | 6e6093a | 2013-01-17 00:08:30 +0900 | [diff] [blame] | 2885 | int __init create_checkpoint_caches(void); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2886 | void destroy_checkpoint_caches(void); |
| 2887 | |
| 2888 | /* |
| 2889 | * data.c |
| 2890 | */ |
Eric Biggers | f69e814 | 2018-04-18 11:09:48 -0700 | [diff] [blame] | 2891 | int f2fs_init_post_read_processing(void); |
| 2892 | void f2fs_destroy_post_read_processing(void); |
Jaegeuk Kim | 9bc576a | 2017-05-10 11:28:38 -0700 | [diff] [blame] | 2893 | void f2fs_submit_merged_write(struct f2fs_sb_info *sbi, enum page_type type); |
| 2894 | void f2fs_submit_merged_write_cond(struct f2fs_sb_info *sbi, |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2895 | struct inode *inode, nid_t ino, pgoff_t idx, |
Jaegeuk Kim | 9bc576a | 2017-05-10 11:28:38 -0700 | [diff] [blame] | 2896 | enum page_type type); |
| 2897 | void f2fs_flush_merged_writes(struct f2fs_sb_info *sbi); |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2898 | int f2fs_submit_page_bio(struct f2fs_io_info *fio); |
Jaegeuk Kim | 9bc576a | 2017-05-10 11:28:38 -0700 | [diff] [blame] | 2899 | int f2fs_submit_page_write(struct f2fs_io_info *fio); |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2900 | struct block_device *f2fs_target_device(struct f2fs_sb_info *sbi, |
| 2901 | block_t blk_addr, struct bio *bio); |
| 2902 | int f2fs_target_device_index(struct f2fs_sb_info *sbi, block_t blkaddr); |
| 2903 | void set_data_blkaddr(struct dnode_of_data *dn); |
| 2904 | void f2fs_update_data_blkaddr(struct dnode_of_data *dn, block_t blkaddr); |
| 2905 | int reserve_new_blocks(struct dnode_of_data *dn, blkcnt_t count); |
| 2906 | int reserve_new_block(struct dnode_of_data *dn); |
| 2907 | int f2fs_get_block(struct dnode_of_data *dn, pgoff_t index); |
| 2908 | int f2fs_preallocate_blocks(struct kiocb *iocb, struct iov_iter *from); |
| 2909 | int f2fs_reserve_block(struct dnode_of_data *dn, pgoff_t index); |
| 2910 | struct page *get_read_data_page(struct inode *inode, pgoff_t index, |
| 2911 | int op_flags, bool for_write); |
| 2912 | struct page *find_data_page(struct inode *inode, pgoff_t index); |
| 2913 | struct page *get_lock_data_page(struct inode *inode, pgoff_t index, |
| 2914 | bool for_write); |
| 2915 | struct page *get_new_data_page(struct inode *inode, |
| 2916 | struct page *ipage, pgoff_t index, bool new_i_size); |
| 2917 | int do_write_data_page(struct f2fs_io_info *fio); |
| 2918 | int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map, |
| 2919 | int create, int flag); |
| 2920 | int f2fs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, |
| 2921 | u64 start, u64 len); |
Chao Yu | 66356ee | 2018-01-17 16:31:38 +0800 | [diff] [blame] | 2922 | bool should_update_inplace(struct inode *inode, struct f2fs_io_info *fio); |
| 2923 | bool should_update_outplace(struct inode *inode, struct f2fs_io_info *fio); |
Chao Yu | c0fe488 | 2017-08-02 23:21:48 +0800 | [diff] [blame] | 2924 | int __f2fs_write_data_pages(struct address_space *mapping, |
| 2925 | struct writeback_control *wbc, |
| 2926 | enum iostat_type io_type); |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2927 | void f2fs_invalidate_page(struct page *page, unsigned int offset, |
| 2928 | unsigned int length); |
| 2929 | int f2fs_release_page(struct page *page, gfp_t wait); |
Weichao Guo | 5b7a487 | 2016-09-20 05:03:27 +0800 | [diff] [blame] | 2930 | #ifdef CONFIG_MIGRATION |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2931 | int f2fs_migrate_page(struct address_space *mapping, struct page *newpage, |
| 2932 | struct page *page, enum migrate_mode mode); |
Weichao Guo | 5b7a487 | 2016-09-20 05:03:27 +0800 | [diff] [blame] | 2933 | #endif |
Hyunchul Lee | 355d234 | 2018-03-08 19:34:38 +0900 | [diff] [blame] | 2934 | bool f2fs_overwrite_io(struct inode *inode, loff_t pos, size_t len); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2935 | |
| 2936 | /* |
| 2937 | * gc.c |
| 2938 | */ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2939 | int start_gc_thread(struct f2fs_sb_info *sbi); |
| 2940 | void stop_gc_thread(struct f2fs_sb_info *sbi); |
| 2941 | block_t start_bidx_of_node(unsigned int node_ofs, struct inode *inode); |
| 2942 | int f2fs_gc(struct f2fs_sb_info *sbi, bool sync, bool background, |
| 2943 | unsigned int segno); |
| 2944 | void build_gc_manager(struct f2fs_sb_info *sbi); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2945 | |
| 2946 | /* |
| 2947 | * recovery.c |
| 2948 | */ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2949 | int recover_fsync_data(struct f2fs_sb_info *sbi, bool check_only); |
| 2950 | bool space_for_roll_forward(struct f2fs_sb_info *sbi); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2951 | |
| 2952 | /* |
| 2953 | * debug.c |
| 2954 | */ |
| 2955 | #ifdef CONFIG_F2FS_STAT_FS |
| 2956 | struct f2fs_stat_info { |
| 2957 | struct list_head stat_list; |
| 2958 | struct f2fs_sb_info *sbi; |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2959 | int all_area_segs, sit_area_segs, nat_area_segs, ssa_area_segs; |
| 2960 | int main_area_segs, main_area_sections, main_area_zones; |
Chao Yu | 5b7ee37 | 2015-09-30 17:38:48 +0800 | [diff] [blame] | 2961 | unsigned long long hit_largest, hit_cached, hit_rbtree; |
| 2962 | unsigned long long hit_total, total_ext; |
Jaegeuk Kim | c00ba55 | 2015-12-31 15:24:14 -0800 | [diff] [blame] | 2963 | int ext_tree, zombie_tree, ext_node; |
Jaegeuk Kim | 931ecc2 | 2017-11-13 17:46:38 -0800 | [diff] [blame] | 2964 | int ndirty_node, ndirty_dent, ndirty_meta, ndirty_imeta; |
| 2965 | int ndirty_data, ndirty_qdata; |
Jaegeuk Kim | 725ba1a | 2016-10-20 19:09:57 -0700 | [diff] [blame] | 2966 | int inmem_pages; |
Jaegeuk Kim | 931ecc2 | 2017-11-13 17:46:38 -0800 | [diff] [blame] | 2967 | unsigned int ndirty_dirs, ndirty_files, nquota_files, ndirty_all; |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2968 | int nats, dirty_nats, sits, dirty_sits; |
| 2969 | int free_nids, avail_nids, alloc_nids; |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2970 | int total_count, utilization; |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2971 | int bg_gc, nr_wb_cp_data, nr_wb_data; |
Chao Yu | 2f0df25 | 2017-09-14 10:18:01 +0800 | [diff] [blame] | 2972 | int nr_flushing, nr_flushed, flush_list_empty; |
| 2973 | int nr_discarding, nr_discarded; |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 2974 | int nr_discard_cmd; |
| 2975 | unsigned int undiscard_blks; |
| 2976 | int inline_xattr, inline_inode, inline_dir, append, update, orphans; |
| 2977 | int aw_cnt, max_aw_cnt, vw_cnt, max_vw_cnt; |
Yunlei He | f83a258 | 2016-08-18 21:01:18 +0800 | [diff] [blame] | 2978 | unsigned int valid_count, valid_node_count, valid_inode_count, discard_blks; |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2979 | unsigned int bimodal, avg_vblocks; |
| 2980 | int util_free, util_valid, util_invalid; |
| 2981 | int rsvd_segs, overp_segs; |
| 2982 | int dirty_count, node_pages, meta_pages; |
Jaegeuk Kim | 42190d2 | 2016-01-09 13:45:17 -0800 | [diff] [blame] | 2983 | int prefree_count, call_count, cp_count, bg_cp_count; |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2984 | int tot_segs, node_segs, data_segs, free_segs, free_secs; |
Changman Lee | e123598 | 2014-12-23 08:37:39 +0900 | [diff] [blame] | 2985 | int bg_node_segs, bg_data_segs; |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2986 | int tot_blks, data_blks, node_blks; |
Changman Lee | e123598 | 2014-12-23 08:37:39 +0900 | [diff] [blame] | 2987 | int bg_data_blks, bg_node_blks; |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2988 | int curseg[NR_CURSEG_TYPE]; |
| 2989 | int cursec[NR_CURSEG_TYPE]; |
| 2990 | int curzone[NR_CURSEG_TYPE]; |
| 2991 | |
| 2992 | unsigned int segment_count[2]; |
| 2993 | unsigned int block_count[2]; |
Changman Lee | b9a2c25 | 2014-12-24 02:16:54 +0900 | [diff] [blame] | 2994 | unsigned int inplace_count; |
Chao Yu | 9edcdab | 2015-09-11 14:43:52 +0800 | [diff] [blame] | 2995 | unsigned long long base_mem, cache_mem, page_mem; |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 2996 | }; |
| 2997 | |
Gu Zheng | 963d4f7 | 2013-07-12 14:47:11 +0800 | [diff] [blame] | 2998 | static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi) |
| 2999 | { |
Chris Fries | 6c311ec | 2014-01-17 14:44:39 -0600 | [diff] [blame] | 3000 | return (struct f2fs_stat_info *)sbi->stat_info; |
Gu Zheng | 963d4f7 | 2013-07-12 14:47:11 +0800 | [diff] [blame] | 3001 | } |
| 3002 | |
Changman Lee | 942e0be | 2014-02-13 15:12:29 +0900 | [diff] [blame] | 3003 | #define stat_inc_cp_count(si) ((si)->cp_count++) |
Jaegeuk Kim | 42190d2 | 2016-01-09 13:45:17 -0800 | [diff] [blame] | 3004 | #define stat_inc_bg_cp_count(si) ((si)->bg_cp_count++) |
Jaegeuk Kim | dcdfff6 | 2013-10-22 20:56:10 +0900 | [diff] [blame] | 3005 | #define stat_inc_call_count(si) ((si)->call_count++) |
| 3006 | #define stat_inc_bggc_count(sbi) ((sbi)->bg_gc++) |
Chao Yu | 33fbd51 | 2015-12-17 17:14:44 +0800 | [diff] [blame] | 3007 | #define stat_inc_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]++) |
| 3008 | #define stat_dec_dirty_inode(sbi, type) ((sbi)->ndirty_inode[type]--) |
Chao Yu | 5b7ee37 | 2015-09-30 17:38:48 +0800 | [diff] [blame] | 3009 | #define stat_inc_total_hit(sbi) (atomic64_inc(&(sbi)->total_hit_ext)) |
| 3010 | #define stat_inc_rbtree_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_rbtree)) |
| 3011 | #define stat_inc_largest_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_largest)) |
| 3012 | #define stat_inc_cached_node_hit(sbi) (atomic64_inc(&(sbi)->read_hit_cached)) |
Chao Yu | d5e8f6c | 2015-07-15 17:28:53 +0800 | [diff] [blame] | 3013 | #define stat_inc_inline_xattr(inode) \ |
| 3014 | do { \ |
| 3015 | if (f2fs_has_inline_xattr(inode)) \ |
| 3016 | (atomic_inc(&F2FS_I_SB(inode)->inline_xattr)); \ |
| 3017 | } while (0) |
| 3018 | #define stat_dec_inline_xattr(inode) \ |
| 3019 | do { \ |
| 3020 | if (f2fs_has_inline_xattr(inode)) \ |
| 3021 | (atomic_dec(&F2FS_I_SB(inode)->inline_xattr)); \ |
| 3022 | } while (0) |
Jaegeuk Kim | 0dbdc2a | 2013-11-26 11:08:57 +0900 | [diff] [blame] | 3023 | #define stat_inc_inline_inode(inode) \ |
| 3024 | do { \ |
| 3025 | if (f2fs_has_inline_data(inode)) \ |
Chao Yu | 03e14d5 | 2014-12-08 19:08:20 +0800 | [diff] [blame] | 3026 | (atomic_inc(&F2FS_I_SB(inode)->inline_inode)); \ |
Jaegeuk Kim | 0dbdc2a | 2013-11-26 11:08:57 +0900 | [diff] [blame] | 3027 | } while (0) |
| 3028 | #define stat_dec_inline_inode(inode) \ |
| 3029 | do { \ |
| 3030 | if (f2fs_has_inline_data(inode)) \ |
Chao Yu | 03e14d5 | 2014-12-08 19:08:20 +0800 | [diff] [blame] | 3031 | (atomic_dec(&F2FS_I_SB(inode)->inline_inode)); \ |
Jaegeuk Kim | 0dbdc2a | 2013-11-26 11:08:57 +0900 | [diff] [blame] | 3032 | } while (0) |
Jaegeuk Kim | 3289c06 | 2014-10-13 20:00:16 -0700 | [diff] [blame] | 3033 | #define stat_inc_inline_dir(inode) \ |
| 3034 | do { \ |
| 3035 | if (f2fs_has_inline_dentry(inode)) \ |
Chao Yu | 03e14d5 | 2014-12-08 19:08:20 +0800 | [diff] [blame] | 3036 | (atomic_inc(&F2FS_I_SB(inode)->inline_dir)); \ |
Jaegeuk Kim | 3289c06 | 2014-10-13 20:00:16 -0700 | [diff] [blame] | 3037 | } while (0) |
| 3038 | #define stat_dec_inline_dir(inode) \ |
| 3039 | do { \ |
| 3040 | if (f2fs_has_inline_dentry(inode)) \ |
Chao Yu | 03e14d5 | 2014-12-08 19:08:20 +0800 | [diff] [blame] | 3041 | (atomic_dec(&F2FS_I_SB(inode)->inline_dir)); \ |
Jaegeuk Kim | 3289c06 | 2014-10-13 20:00:16 -0700 | [diff] [blame] | 3042 | } while (0) |
Jaegeuk Kim | dcdfff6 | 2013-10-22 20:56:10 +0900 | [diff] [blame] | 3043 | #define stat_inc_seg_type(sbi, curseg) \ |
| 3044 | ((sbi)->segment_count[(curseg)->alloc_type]++) |
| 3045 | #define stat_inc_block_count(sbi, curseg) \ |
| 3046 | ((sbi)->block_count[(curseg)->alloc_type]++) |
Changman Lee | b9a2c25 | 2014-12-24 02:16:54 +0900 | [diff] [blame] | 3047 | #define stat_inc_inplace_blocks(sbi) \ |
| 3048 | (atomic_inc(&(sbi)->inplace_count)) |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 3049 | #define stat_inc_atomic_write(inode) \ |
| 3050 | (atomic_inc(&F2FS_I_SB(inode)->aw_cnt)) |
| 3051 | #define stat_dec_atomic_write(inode) \ |
| 3052 | (atomic_dec(&F2FS_I_SB(inode)->aw_cnt)) |
| 3053 | #define stat_update_max_atomic_write(inode) \ |
| 3054 | do { \ |
| 3055 | int cur = atomic_read(&F2FS_I_SB(inode)->aw_cnt); \ |
| 3056 | int max = atomic_read(&F2FS_I_SB(inode)->max_aw_cnt); \ |
| 3057 | if (cur > max) \ |
| 3058 | atomic_set(&F2FS_I_SB(inode)->max_aw_cnt, cur); \ |
| 3059 | } while (0) |
| 3060 | #define stat_inc_volatile_write(inode) \ |
| 3061 | (atomic_inc(&F2FS_I_SB(inode)->vw_cnt)) |
| 3062 | #define stat_dec_volatile_write(inode) \ |
| 3063 | (atomic_dec(&F2FS_I_SB(inode)->vw_cnt)) |
| 3064 | #define stat_update_max_volatile_write(inode) \ |
| 3065 | do { \ |
| 3066 | int cur = atomic_read(&F2FS_I_SB(inode)->vw_cnt); \ |
| 3067 | int max = atomic_read(&F2FS_I_SB(inode)->max_vw_cnt); \ |
| 3068 | if (cur > max) \ |
| 3069 | atomic_set(&F2FS_I_SB(inode)->max_vw_cnt, cur); \ |
| 3070 | } while (0) |
Changman Lee | e123598 | 2014-12-23 08:37:39 +0900 | [diff] [blame] | 3071 | #define stat_inc_seg_count(sbi, type, gc_type) \ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 3072 | do { \ |
Gu Zheng | 963d4f7 | 2013-07-12 14:47:11 +0800 | [diff] [blame] | 3073 | struct f2fs_stat_info *si = F2FS_STAT(sbi); \ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 3074 | si->tot_segs++; \ |
| 3075 | if ((type) == SUM_TYPE_DATA) { \ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 3076 | si->data_segs++; \ |
Changman Lee | e123598 | 2014-12-23 08:37:39 +0900 | [diff] [blame] | 3077 | si->bg_data_segs += (gc_type == BG_GC) ? 1 : 0; \ |
| 3078 | } else { \ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 3079 | si->node_segs++; \ |
Changman Lee | e123598 | 2014-12-23 08:37:39 +0900 | [diff] [blame] | 3080 | si->bg_node_segs += (gc_type == BG_GC) ? 1 : 0; \ |
| 3081 | } \ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 3082 | } while (0) |
| 3083 | |
| 3084 | #define stat_inc_tot_blk_count(si, blks) \ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 3085 | ((si)->tot_blks += (blks)) |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 3086 | |
Changman Lee | e123598 | 2014-12-23 08:37:39 +0900 | [diff] [blame] | 3087 | #define stat_inc_data_blk_count(sbi, blks, gc_type) \ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 3088 | do { \ |
Gu Zheng | 963d4f7 | 2013-07-12 14:47:11 +0800 | [diff] [blame] | 3089 | struct f2fs_stat_info *si = F2FS_STAT(sbi); \ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 3090 | stat_inc_tot_blk_count(si, blks); \ |
| 3091 | si->data_blks += (blks); \ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 3092 | si->bg_data_blks += ((gc_type) == BG_GC) ? (blks) : 0; \ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 3093 | } while (0) |
| 3094 | |
Changman Lee | e123598 | 2014-12-23 08:37:39 +0900 | [diff] [blame] | 3095 | #define stat_inc_node_blk_count(sbi, blks, gc_type) \ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 3096 | do { \ |
Gu Zheng | 963d4f7 | 2013-07-12 14:47:11 +0800 | [diff] [blame] | 3097 | struct f2fs_stat_info *si = F2FS_STAT(sbi); \ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 3098 | stat_inc_tot_blk_count(si, blks); \ |
| 3099 | si->node_blks += (blks); \ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 3100 | si->bg_node_blks += ((gc_type) == BG_GC) ? (blks) : 0; \ |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 3101 | } while (0) |
| 3102 | |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 3103 | int f2fs_build_stats(struct f2fs_sb_info *sbi); |
| 3104 | void f2fs_destroy_stats(struct f2fs_sb_info *sbi); |
Chao Yu | 787c7b8c | 2015-10-29 09:13:04 +0800 | [diff] [blame] | 3105 | int __init f2fs_create_root_stats(void); |
Namjae Jeon | 4589d25 | 2013-01-15 19:58:47 +0900 | [diff] [blame] | 3106 | void f2fs_destroy_root_stats(void); |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 3107 | #else |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 3108 | #define stat_inc_cp_count(si) do { } while (0) |
| 3109 | #define stat_inc_bg_cp_count(si) do { } while (0) |
| 3110 | #define stat_inc_call_count(si) do { } while (0) |
| 3111 | #define stat_inc_bggc_count(si) do { } while (0) |
| 3112 | #define stat_inc_dirty_inode(sbi, type) do { } while (0) |
| 3113 | #define stat_dec_dirty_inode(sbi, type) do { } while (0) |
| 3114 | #define stat_inc_total_hit(sb) do { } while (0) |
| 3115 | #define stat_inc_rbtree_node_hit(sb) do { } while (0) |
| 3116 | #define stat_inc_largest_node_hit(sbi) do { } while (0) |
| 3117 | #define stat_inc_cached_node_hit(sbi) do { } while (0) |
| 3118 | #define stat_inc_inline_xattr(inode) do { } while (0) |
| 3119 | #define stat_dec_inline_xattr(inode) do { } while (0) |
| 3120 | #define stat_inc_inline_inode(inode) do { } while (0) |
| 3121 | #define stat_dec_inline_inode(inode) do { } while (0) |
| 3122 | #define stat_inc_inline_dir(inode) do { } while (0) |
| 3123 | #define stat_dec_inline_dir(inode) do { } while (0) |
| 3124 | #define stat_inc_atomic_write(inode) do { } while (0) |
| 3125 | #define stat_dec_atomic_write(inode) do { } while (0) |
| 3126 | #define stat_update_max_atomic_write(inode) do { } while (0) |
| 3127 | #define stat_inc_volatile_write(inode) do { } while (0) |
| 3128 | #define stat_dec_volatile_write(inode) do { } while (0) |
| 3129 | #define stat_update_max_volatile_write(inode) do { } while (0) |
| 3130 | #define stat_inc_seg_type(sbi, curseg) do { } while (0) |
| 3131 | #define stat_inc_block_count(sbi, curseg) do { } while (0) |
| 3132 | #define stat_inc_inplace_blocks(sbi) do { } while (0) |
| 3133 | #define stat_inc_seg_count(sbi, type, gc_type) do { } while (0) |
| 3134 | #define stat_inc_tot_blk_count(si, blks) do { } while (0) |
| 3135 | #define stat_inc_data_blk_count(sbi, blks, gc_type) do { } while (0) |
| 3136 | #define stat_inc_node_blk_count(sbi, blks, gc_type) do { } while (0) |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 3137 | |
| 3138 | static inline int f2fs_build_stats(struct f2fs_sb_info *sbi) { return 0; } |
| 3139 | static inline void f2fs_destroy_stats(struct f2fs_sb_info *sbi) { } |
Chao Yu | 787c7b8c | 2015-10-29 09:13:04 +0800 | [diff] [blame] | 3140 | static inline int __init f2fs_create_root_stats(void) { return 0; } |
Namjae Jeon | 4589d25 | 2013-01-15 19:58:47 +0900 | [diff] [blame] | 3141 | static inline void f2fs_destroy_root_stats(void) { } |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 3142 | #endif |
| 3143 | |
| 3144 | extern const struct file_operations f2fs_dir_operations; |
| 3145 | extern const struct file_operations f2fs_file_operations; |
| 3146 | extern const struct inode_operations f2fs_file_inode_operations; |
| 3147 | extern const struct address_space_operations f2fs_dblock_aops; |
| 3148 | extern const struct address_space_operations f2fs_node_aops; |
| 3149 | extern const struct address_space_operations f2fs_meta_aops; |
| 3150 | extern const struct inode_operations f2fs_dir_inode_operations; |
| 3151 | extern const struct inode_operations f2fs_symlink_inode_operations; |
Jaegeuk Kim | cbaf042 | 2015-04-29 15:10:53 -0700 | [diff] [blame] | 3152 | extern const struct inode_operations f2fs_encrypted_symlink_inode_operations; |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 3153 | extern const struct inode_operations f2fs_special_inode_operations; |
Jaegeuk Kim | 29e7043 | 2015-02-10 16:23:12 -0800 | [diff] [blame] | 3154 | extern struct kmem_cache *inode_entry_slab; |
Huajun Li | 1001b34 | 2013-11-10 23:13:16 +0800 | [diff] [blame] | 3155 | |
Huajun Li | e18c65b | 2013-11-10 23:13:19 +0800 | [diff] [blame] | 3156 | /* |
| 3157 | * inline.c |
| 3158 | */ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 3159 | bool f2fs_may_inline_data(struct inode *inode); |
| 3160 | bool f2fs_may_inline_dentry(struct inode *inode); |
| 3161 | void read_inline_data(struct page *page, struct page *ipage); |
| 3162 | void truncate_inline_inode(struct inode *inode, struct page *ipage, u64 from); |
| 3163 | int f2fs_read_inline_data(struct inode *inode, struct page *page); |
| 3164 | int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page); |
| 3165 | int f2fs_convert_inline_inode(struct inode *inode); |
| 3166 | int f2fs_write_inline_data(struct inode *inode, struct page *page); |
| 3167 | bool recover_inline_data(struct inode *inode, struct page *npage); |
| 3168 | struct f2fs_dir_entry *find_in_inline_dir(struct inode *dir, |
| 3169 | struct fscrypt_name *fname, struct page **res_page); |
| 3170 | int make_empty_inline_dir(struct inode *inode, struct inode *parent, |
| 3171 | struct page *ipage); |
| 3172 | int f2fs_add_inline_entry(struct inode *dir, const struct qstr *new_name, |
| 3173 | const struct qstr *orig_name, |
| 3174 | struct inode *inode, nid_t ino, umode_t mode); |
| 3175 | void f2fs_delete_inline_entry(struct f2fs_dir_entry *dentry, struct page *page, |
| 3176 | struct inode *dir, struct inode *inode); |
| 3177 | bool f2fs_empty_inline_dir(struct inode *dir); |
| 3178 | int f2fs_read_inline_dir(struct file *file, struct dir_context *ctx, |
| 3179 | struct fscrypt_str *fstr); |
| 3180 | int f2fs_inline_data_fiemap(struct inode *inode, |
| 3181 | struct fiemap_extent_info *fieinfo, |
| 3182 | __u64 start, __u64 len); |
Jaegeuk Kim | cde4de1 | 2015-04-20 13:57:51 -0700 | [diff] [blame] | 3183 | |
| 3184 | /* |
Jaegeuk Kim | 2658e50 | 2015-06-19 12:01:21 -0700 | [diff] [blame] | 3185 | * shrinker.c |
| 3186 | */ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 3187 | unsigned long f2fs_shrink_count(struct shrinker *shrink, |
| 3188 | struct shrink_control *sc); |
| 3189 | unsigned long f2fs_shrink_scan(struct shrinker *shrink, |
| 3190 | struct shrink_control *sc); |
| 3191 | void f2fs_join_shrinker(struct f2fs_sb_info *sbi); |
| 3192 | void f2fs_leave_shrinker(struct f2fs_sb_info *sbi); |
Jaegeuk Kim | 2658e50 | 2015-06-19 12:01:21 -0700 | [diff] [blame] | 3193 | |
| 3194 | /* |
Chao Yu | a28ef1f | 2015-07-08 17:59:36 +0800 | [diff] [blame] | 3195 | * extent_cache.c |
| 3196 | */ |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 3197 | struct rb_entry *__lookup_rb_tree(struct rb_root *root, |
| 3198 | struct rb_entry *cached_re, unsigned int ofs); |
| 3199 | struct rb_node **__lookup_rb_tree_for_insert(struct f2fs_sb_info *sbi, |
| 3200 | struct rb_root *root, struct rb_node **parent, |
| 3201 | unsigned int ofs); |
| 3202 | struct rb_entry *__lookup_rb_tree_ret(struct rb_root *root, |
| 3203 | struct rb_entry *cached_re, unsigned int ofs, |
| 3204 | struct rb_entry **prev_entry, struct rb_entry **next_entry, |
| 3205 | struct rb_node ***insert_p, struct rb_node **insert_parent, |
| 3206 | bool force); |
| 3207 | bool __check_rb_tree_consistence(struct f2fs_sb_info *sbi, |
| 3208 | struct rb_root *root); |
| 3209 | unsigned int f2fs_shrink_extent_tree(struct f2fs_sb_info *sbi, int nr_shrink); |
| 3210 | bool f2fs_init_extent_tree(struct inode *inode, struct f2fs_extent *i_ext); |
| 3211 | void f2fs_drop_extent_tree(struct inode *inode); |
| 3212 | unsigned int f2fs_destroy_extent_node(struct inode *inode); |
| 3213 | void f2fs_destroy_extent_tree(struct inode *inode); |
| 3214 | bool f2fs_lookup_extent_cache(struct inode *inode, pgoff_t pgofs, |
| 3215 | struct extent_info *ei); |
| 3216 | void f2fs_update_extent_cache(struct dnode_of_data *dn); |
Chao Yu | 19b2c30 | 2015-08-26 20:34:48 +0800 | [diff] [blame] | 3217 | void f2fs_update_extent_cache_range(struct dnode_of_data *dn, |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 3218 | pgoff_t fofs, block_t blkaddr, unsigned int len); |
| 3219 | void init_extent_cache_info(struct f2fs_sb_info *sbi); |
Chao Yu | a28ef1f | 2015-07-08 17:59:36 +0800 | [diff] [blame] | 3220 | int __init create_extent_cache(void); |
| 3221 | void destroy_extent_cache(void); |
| 3222 | |
| 3223 | /* |
Chao Yu | 57fb30c | 2017-06-14 17:39:47 +0800 | [diff] [blame] | 3224 | * sysfs.c |
| 3225 | */ |
Jaegeuk Kim | 883d553 | 2017-07-26 11:24:13 -0700 | [diff] [blame] | 3226 | int __init f2fs_init_sysfs(void); |
| 3227 | void f2fs_exit_sysfs(void); |
| 3228 | int f2fs_register_sysfs(struct f2fs_sb_info *sbi); |
| 3229 | void f2fs_unregister_sysfs(struct f2fs_sb_info *sbi); |
Chao Yu | 57fb30c | 2017-06-14 17:39:47 +0800 | [diff] [blame] | 3230 | |
| 3231 | /* |
Jaegeuk Kim | cde4de1 | 2015-04-20 13:57:51 -0700 | [diff] [blame] | 3232 | * crypto support |
| 3233 | */ |
Jaegeuk Kim | 0b81d07 | 2015-05-15 16:26:10 -0700 | [diff] [blame] | 3234 | static inline bool f2fs_encrypted_inode(struct inode *inode) |
Jaegeuk Kim | cde4de1 | 2015-04-20 13:57:51 -0700 | [diff] [blame] | 3235 | { |
Jaegeuk Kim | cde4de1 | 2015-04-20 13:57:51 -0700 | [diff] [blame] | 3236 | return file_is_encrypt(inode); |
Jaegeuk Kim | cde4de1 | 2015-04-20 13:57:51 -0700 | [diff] [blame] | 3237 | } |
| 3238 | |
Jaegeuk Kim | a4fb189 | 2017-09-05 16:54:24 -0700 | [diff] [blame] | 3239 | static inline bool f2fs_encrypted_file(struct inode *inode) |
| 3240 | { |
| 3241 | return f2fs_encrypted_inode(inode) && S_ISREG(inode->i_mode); |
| 3242 | } |
| 3243 | |
Jaegeuk Kim | cde4de1 | 2015-04-20 13:57:51 -0700 | [diff] [blame] | 3244 | static inline void f2fs_set_encrypted_inode(struct inode *inode) |
| 3245 | { |
| 3246 | #ifdef CONFIG_F2FS_FS_ENCRYPTION |
| 3247 | file_set_encrypt(inode); |
Eric Biggers | 685285b | 2017-10-09 12:15:35 -0700 | [diff] [blame] | 3248 | inode->i_flags |= S_ENCRYPTED; |
Jaegeuk Kim | cde4de1 | 2015-04-20 13:57:51 -0700 | [diff] [blame] | 3249 | #endif |
| 3250 | } |
| 3251 | |
Eric Biggers | f69e814 | 2018-04-18 11:09:48 -0700 | [diff] [blame] | 3252 | /* |
| 3253 | * Returns true if the reads of the inode's data need to undergo some |
| 3254 | * postprocessing step, like decryption or authenticity verification. |
| 3255 | */ |
| 3256 | static inline bool f2fs_post_read_required(struct inode *inode) |
Jaegeuk Kim | cde4de1 | 2015-04-20 13:57:51 -0700 | [diff] [blame] | 3257 | { |
Eric Biggers | f69e814 | 2018-04-18 11:09:48 -0700 | [diff] [blame] | 3258 | return f2fs_encrypted_file(inode); |
Jaegeuk Kim | cde4de1 | 2015-04-20 13:57:51 -0700 | [diff] [blame] | 3259 | } |
| 3260 | |
Sheng Yong | 770611e | 2018-02-06 12:31:17 +0800 | [diff] [blame] | 3261 | #define F2FS_FEATURE_FUNCS(name, flagname) \ |
| 3262 | static inline int f2fs_sb_has_##name(struct super_block *sb) \ |
| 3263 | { \ |
| 3264 | return F2FS_HAS_FEATURE(sb, F2FS_FEATURE_##flagname); \ |
Jaegeuk Kim | cde4de1 | 2015-04-20 13:57:51 -0700 | [diff] [blame] | 3265 | } |
Jaegeuk Kim | f424f66 | 2015-04-20 15:19:06 -0700 | [diff] [blame] | 3266 | |
Sheng Yong | 770611e | 2018-02-06 12:31:17 +0800 | [diff] [blame] | 3267 | F2FS_FEATURE_FUNCS(encrypt, ENCRYPT); |
| 3268 | F2FS_FEATURE_FUNCS(blkzoned, BLKZONED); |
| 3269 | F2FS_FEATURE_FUNCS(extra_attr, EXTRA_ATTR); |
| 3270 | F2FS_FEATURE_FUNCS(project_quota, PRJQUOTA); |
| 3271 | F2FS_FEATURE_FUNCS(inode_chksum, INODE_CHKSUM); |
| 3272 | F2FS_FEATURE_FUNCS(flexible_inline_xattr, FLEXIBLE_INLINE_XATTR); |
| 3273 | F2FS_FEATURE_FUNCS(quota_ino, QUOTA_INO); |
| 3274 | F2FS_FEATURE_FUNCS(inode_crtime, INODE_CRTIME); |
Sheng Yong | 9b880fe | 2018-03-15 18:51:41 +0800 | [diff] [blame] | 3275 | F2FS_FEATURE_FUNCS(lost_found, LOST_FOUND); |
Chao Yu | 71f8f04 | 2018-01-25 14:54:42 +0800 | [diff] [blame] | 3276 | |
Jaegeuk Kim | e6b120d | 2017-07-10 12:55:09 -0700 | [diff] [blame] | 3277 | #ifdef CONFIG_BLK_DEV_ZONED |
| 3278 | static inline int get_blkz_type(struct f2fs_sb_info *sbi, |
| 3279 | struct block_device *bdev, block_t blkaddr) |
| 3280 | { |
| 3281 | unsigned int zno = blkaddr >> sbi->log_blocks_per_blkz; |
| 3282 | int i; |
| 3283 | |
| 3284 | for (i = 0; i < sbi->s_ndevs; i++) |
| 3285 | if (FDEV(i).bdev == bdev) |
| 3286 | return FDEV(i).blkz_type[zno]; |
| 3287 | return -EINVAL; |
| 3288 | } |
| 3289 | #endif |
| 3290 | |
| 3291 | static inline bool f2fs_discard_en(struct f2fs_sb_info *sbi) |
| 3292 | { |
| 3293 | struct request_queue *q = bdev_get_queue(sbi->sb->s_bdev); |
| 3294 | |
Sheng Yong | 770611e | 2018-02-06 12:31:17 +0800 | [diff] [blame] | 3295 | return blk_queue_discard(q) || f2fs_sb_has_blkzoned(sbi->sb); |
Jaegeuk Kim | 52763a4 | 2016-06-13 09:47:48 -0700 | [diff] [blame] | 3296 | } |
| 3297 | |
| 3298 | static inline void set_opt_mode(struct f2fs_sb_info *sbi, unsigned int mt) |
| 3299 | { |
| 3300 | clear_opt(sbi, ADAPTIVE); |
| 3301 | clear_opt(sbi, LFS); |
| 3302 | |
| 3303 | switch (mt) { |
| 3304 | case F2FS_MOUNT_ADAPTIVE: |
| 3305 | set_opt(sbi, ADAPTIVE); |
| 3306 | break; |
| 3307 | case F2FS_MOUNT_LFS: |
| 3308 | set_opt(sbi, LFS); |
| 3309 | break; |
| 3310 | } |
| 3311 | } |
| 3312 | |
Jaegeuk Kim | fcc85a4 | 2015-04-21 20:39:58 -0700 | [diff] [blame] | 3313 | static inline bool f2fs_may_encrypt(struct inode *inode) |
| 3314 | { |
| 3315 | #ifdef CONFIG_F2FS_FS_ENCRYPTION |
Al Viro | 886f56f | 2015-12-05 03:56:06 -0500 | [diff] [blame] | 3316 | umode_t mode = inode->i_mode; |
Jaegeuk Kim | fcc85a4 | 2015-04-21 20:39:58 -0700 | [diff] [blame] | 3317 | |
| 3318 | return (S_ISREG(mode) || S_ISDIR(mode) || S_ISLNK(mode)); |
| 3319 | #else |
| 3320 | return 0; |
| 3321 | #endif |
| 3322 | } |
| 3323 | |
Hyunchul Lee | 355d234 | 2018-03-08 19:34:38 +0900 | [diff] [blame] | 3324 | static inline bool f2fs_force_buffered_io(struct inode *inode, int rw) |
| 3325 | { |
Eric Biggers | f69e814 | 2018-04-18 11:09:48 -0700 | [diff] [blame] | 3326 | return (f2fs_post_read_required(inode) || |
Hyunchul Lee | 355d234 | 2018-03-08 19:34:38 +0900 | [diff] [blame] | 3327 | (rw == WRITE && test_opt(F2FS_I_SB(inode), LFS)) || |
| 3328 | F2FS_I_SB(inode)->s_ndevs); |
| 3329 | } |
| 3330 | |
Jaegeuk Kim | 39a53e0 | 2012-11-28 13:37:31 +0900 | [diff] [blame] | 3331 | #endif |