David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. |
Bob Peterson | 29d38cd | 2008-01-28 22:31:39 -0600 | [diff] [blame] | 3 | * Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved. |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 4 | * |
| 5 | * This copyrighted material is made available to anyone wishing to use, |
| 6 | * modify, copy, or redistribute it subject to the terms and conditions |
Steven Whitehouse | e9fc2aa | 2006-09-01 11:05:15 -0400 | [diff] [blame] | 7 | * of the GNU General Public License version 2. |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 8 | */ |
| 9 | |
| 10 | #ifndef __INCORE_DOT_H__ |
| 11 | #define __INCORE_DOT_H__ |
| 12 | |
Steven Whitehouse | f2f7ba5 | 2006-09-05 10:39:21 -0400 | [diff] [blame] | 13 | #include <linux/fs.h> |
Benjamin Marzinski | c4f68a1 | 2007-08-23 13:19:05 -0500 | [diff] [blame] | 14 | #include <linux/workqueue.h> |
Steven Whitehouse | fe64d51 | 2009-05-19 10:01:18 +0100 | [diff] [blame] | 15 | #include <linux/slow-work.h> |
Steven Whitehouse | f057f6c | 2009-01-12 10:43:39 +0000 | [diff] [blame] | 16 | #include <linux/dlm.h> |
| 17 | #include <linux/buffer_head.h> |
Steven Whitehouse | f2f7ba5 | 2006-09-05 10:39:21 -0400 | [diff] [blame] | 18 | |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 19 | #define DIO_WAIT 0x00000010 |
| 20 | #define DIO_METADATA 0x00000020 |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 21 | #define DIO_ALL 0x00000100 |
| 22 | |
| 23 | struct gfs2_log_operations; |
| 24 | struct gfs2_log_element; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 25 | struct gfs2_holder; |
| 26 | struct gfs2_glock; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 27 | struct gfs2_quota_data; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 28 | struct gfs2_trans; |
| 29 | struct gfs2_ail; |
| 30 | struct gfs2_jdesc; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 31 | struct gfs2_sbd; |
Steven Whitehouse | f057f6c | 2009-01-12 10:43:39 +0000 | [diff] [blame] | 32 | struct lm_lockops; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 33 | |
| 34 | typedef void (*gfs2_glop_bh_t) (struct gfs2_glock *gl, unsigned int ret); |
| 35 | |
Steven Whitehouse | bb8d8a6 | 2007-06-01 14:11:58 +0100 | [diff] [blame] | 36 | struct gfs2_log_header_host { |
| 37 | u64 lh_sequence; /* Sequence number of this transaction */ |
| 38 | u32 lh_flags; /* GFS2_LOG_HEAD_... */ |
| 39 | u32 lh_tail; /* Block number of log tail */ |
| 40 | u32 lh_blkno; |
| 41 | u32 lh_hash; |
| 42 | }; |
| 43 | |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 44 | /* |
| 45 | * Structure of operations that are associated with each |
| 46 | * type of element in the log. |
| 47 | */ |
| 48 | |
| 49 | struct gfs2_log_operations { |
| 50 | void (*lo_add) (struct gfs2_sbd *sdp, struct gfs2_log_element *le); |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 51 | void (*lo_before_commit) (struct gfs2_sbd *sdp); |
| 52 | void (*lo_after_commit) (struct gfs2_sbd *sdp, struct gfs2_ail *ai); |
| 53 | void (*lo_before_scan) (struct gfs2_jdesc *jd, |
Al Viro | 5516762 | 2006-10-13 21:47:13 -0400 | [diff] [blame] | 54 | struct gfs2_log_header_host *head, int pass); |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 55 | int (*lo_scan_elements) (struct gfs2_jdesc *jd, unsigned int start, |
| 56 | struct gfs2_log_descriptor *ld, __be64 *ptr, |
| 57 | int pass); |
| 58 | void (*lo_after_scan) (struct gfs2_jdesc *jd, int error, int pass); |
Steven Whitehouse | b09e593 | 2006-04-07 11:17:32 -0400 | [diff] [blame] | 59 | const char *lo_name; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 60 | }; |
| 61 | |
| 62 | struct gfs2_log_element { |
| 63 | struct list_head le_list; |
Steven Whitehouse | b09e593 | 2006-04-07 11:17:32 -0400 | [diff] [blame] | 64 | const struct gfs2_log_operations *le_ops; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 65 | }; |
| 66 | |
Steven Whitehouse | 60a0b8f | 2009-05-21 12:23:12 +0100 | [diff] [blame] | 67 | #define GBF_FULL 1 |
| 68 | |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 69 | struct gfs2_bitmap { |
| 70 | struct buffer_head *bi_bh; |
| 71 | char *bi_clone; |
Steven Whitehouse | 60a0b8f | 2009-05-21 12:23:12 +0100 | [diff] [blame] | 72 | unsigned long bi_flags; |
Steven Whitehouse | cd91549 | 2006-09-04 12:49:07 -0400 | [diff] [blame] | 73 | u32 bi_offset; |
| 74 | u32 bi_start; |
| 75 | u32 bi_len; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 76 | }; |
| 77 | |
| 78 | struct gfs2_rgrpd { |
| 79 | struct list_head rd_list; /* Link with superblock */ |
| 80 | struct list_head rd_list_mru; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 81 | struct gfs2_glock *rd_gl; /* Glock for this rgrp */ |
Steven Whitehouse | bb8d8a6 | 2007-06-01 14:11:58 +0100 | [diff] [blame] | 82 | u64 rd_addr; /* grp block disk address */ |
| 83 | u64 rd_data0; /* first data location */ |
| 84 | u32 rd_length; /* length of rgrp header in fs blocks */ |
| 85 | u32 rd_data; /* num of data blocks in rgrp */ |
| 86 | u32 rd_bitbytes; /* number of bytes in data bitmaps */ |
Steven Whitehouse | cfc8b54 | 2008-11-04 10:25:13 +0000 | [diff] [blame] | 87 | u32 rd_free; |
Steven Whitehouse | 73f7494 | 2008-11-04 10:32:57 +0000 | [diff] [blame] | 88 | u32 rd_free_clone; |
| 89 | u32 rd_dinodes; |
Steven Whitehouse | d8b71f7 | 2008-11-04 10:19:03 +0000 | [diff] [blame] | 90 | u64 rd_igeneration; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 91 | struct gfs2_bitmap *rd_bits; |
Steven Whitehouse | f55ab26 | 2006-02-21 12:51:39 +0000 | [diff] [blame] | 92 | struct mutex rd_mutex; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 93 | struct gfs2_log_element rd_le; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 94 | struct gfs2_sbd *rd_sbd; |
Steven Whitehouse | 73f7494 | 2008-11-04 10:32:57 +0000 | [diff] [blame] | 95 | unsigned int rd_bh_count; |
| 96 | u32 rd_last_alloc; |
Steven Whitehouse | 1ce97e5 | 2009-05-21 15:18:19 +0100 | [diff] [blame] | 97 | u32 rd_flags; |
Steven Whitehouse | 0901097 | 2009-05-20 10:48:47 +0100 | [diff] [blame] | 98 | #define GFS2_RDF_CHECK 0x10000000 /* check for unlinked inodes */ |
| 99 | #define GFS2_RDF_UPTODATE 0x20000000 /* rg is up to date */ |
| 100 | #define GFS2_RDF_ERROR 0x40000000 /* error in rg */ |
| 101 | #define GFS2_RDF_MASK 0xf0000000 /* mask for internal flags */ |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 102 | }; |
| 103 | |
| 104 | enum gfs2_state_bits { |
| 105 | BH_Pinned = BH_PrivateStart, |
Steven Whitehouse | f42faf4 | 2006-01-30 18:34:10 +0000 | [diff] [blame] | 106 | BH_Escaped = BH_PrivateStart + 1, |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 107 | }; |
| 108 | |
| 109 | BUFFER_FNS(Pinned, pinned) |
| 110 | TAS_BUFFER_FNS(Pinned, pinned) |
Steven Whitehouse | f42faf4 | 2006-01-30 18:34:10 +0000 | [diff] [blame] | 111 | BUFFER_FNS(Escaped, escaped) |
| 112 | TAS_BUFFER_FNS(Escaped, escaped) |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 113 | |
| 114 | struct gfs2_bufdata { |
| 115 | struct buffer_head *bd_bh; |
| 116 | struct gfs2_glock *bd_gl; |
| 117 | |
Steven Whitehouse | 82e8608 | 2007-09-02 15:39:43 +0100 | [diff] [blame] | 118 | union { |
| 119 | struct list_head list_tr; |
| 120 | u64 blkno; |
| 121 | } u; |
| 122 | #define bd_list_tr u.list_tr |
| 123 | #define bd_blkno u.blkno |
| 124 | |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 125 | struct gfs2_log_element bd_le; |
| 126 | |
| 127 | struct gfs2_ail *bd_ail; |
| 128 | struct list_head bd_ail_st_list; |
| 129 | struct list_head bd_ail_gl_list; |
| 130 | }; |
| 131 | |
Steven Whitehouse | f057f6c | 2009-01-12 10:43:39 +0000 | [diff] [blame] | 132 | /* |
| 133 | * Internally, we prefix things with gdlm_ and GDLM_ (for gfs-dlm) since a |
| 134 | * prefix of lock_dlm_ gets awkward. |
| 135 | */ |
| 136 | |
| 137 | #define GDLM_STRNAME_BYTES 25 |
| 138 | #define GDLM_LVB_SIZE 32 |
| 139 | |
| 140 | enum { |
| 141 | DFL_BLOCK_LOCKS = 0, |
| 142 | }; |
| 143 | |
| 144 | struct lm_lockname { |
| 145 | u64 ln_number; |
| 146 | unsigned int ln_type; |
| 147 | }; |
| 148 | |
| 149 | #define lm_name_equal(name1, name2) \ |
| 150 | (((name1)->ln_number == (name2)->ln_number) && \ |
| 151 | ((name1)->ln_type == (name2)->ln_type)) |
| 152 | |
| 153 | |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 154 | struct gfs2_glock_operations { |
Steven Whitehouse | b5d32be | 2007-01-22 12:15:34 -0500 | [diff] [blame] | 155 | void (*go_xmote_th) (struct gfs2_glock *gl); |
Steven Whitehouse | 6802e34 | 2008-05-21 17:03:22 +0100 | [diff] [blame] | 156 | int (*go_xmote_bh) (struct gfs2_glock *gl, struct gfs2_holder *gh); |
Steven Whitehouse | 1a14d3a | 2006-11-20 10:37:45 -0500 | [diff] [blame] | 157 | void (*go_inval) (struct gfs2_glock *gl, int flags); |
Steven Whitehouse | 97cc102 | 2008-11-20 13:39:47 +0000 | [diff] [blame] | 158 | int (*go_demote_ok) (const struct gfs2_glock *gl); |
Steven Whitehouse | 1a14d3a | 2006-11-20 10:37:45 -0500 | [diff] [blame] | 159 | int (*go_lock) (struct gfs2_holder *gh); |
| 160 | void (*go_unlock) (struct gfs2_holder *gh); |
Steven Whitehouse | 6802e34 | 2008-05-21 17:03:22 +0100 | [diff] [blame] | 161 | int (*go_dump)(struct seq_file *seq, const struct gfs2_glock *gl); |
Benjamin Marzinski | b94a170 | 2009-07-23 18:52:34 -0500 | [diff] [blame] | 162 | void (*go_callback) (struct gfs2_glock *gl); |
Steven Whitehouse | 8fb4b53 | 2006-08-30 09:30:00 -0400 | [diff] [blame] | 163 | const int go_type; |
Benjamin Marzinski | c4f68a1 | 2007-08-23 13:19:05 -0500 | [diff] [blame] | 164 | const unsigned long go_min_hold_time; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 165 | }; |
| 166 | |
| 167 | enum { |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 168 | /* States */ |
Steven Whitehouse | 6802e34 | 2008-05-21 17:03:22 +0100 | [diff] [blame] | 169 | HIF_HOLDER = 6, /* Set for gh that "holds" the glock */ |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 170 | HIF_FIRST = 7, |
Steven Whitehouse | fee852e | 2007-01-17 15:33:23 +0000 | [diff] [blame] | 171 | HIF_WAIT = 10, |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 172 | }; |
| 173 | |
| 174 | struct gfs2_holder { |
| 175 | struct list_head gh_list; |
| 176 | |
| 177 | struct gfs2_glock *gh_gl; |
Pavel Emelyanov | b1e058d | 2008-02-07 00:13:19 -0800 | [diff] [blame] | 178 | struct pid *gh_owner_pid; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 179 | unsigned int gh_state; |
Steven Whitehouse | fe1bded | 2006-04-18 10:09:15 -0400 | [diff] [blame] | 180 | unsigned gh_flags; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 181 | |
| 182 | int gh_error; |
Steven Whitehouse | 6802e34 | 2008-05-21 17:03:22 +0100 | [diff] [blame] | 183 | unsigned long gh_iflags; /* HIF_... */ |
Steven Whitehouse | d0dc80d | 2006-03-29 14:36:49 -0500 | [diff] [blame] | 184 | unsigned long gh_ip; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 185 | }; |
| 186 | |
| 187 | enum { |
Steven Whitehouse | 6802e34 | 2008-05-21 17:03:22 +0100 | [diff] [blame] | 188 | GLF_LOCK = 1, |
Steven Whitehouse | 6802e34 | 2008-05-21 17:03:22 +0100 | [diff] [blame] | 189 | GLF_DEMOTE = 3, |
| 190 | GLF_PENDING_DEMOTE = 4, |
| 191 | GLF_DEMOTE_IN_PROGRESS = 5, |
| 192 | GLF_DIRTY = 6, |
| 193 | GLF_LFLUSH = 7, |
| 194 | GLF_INVALIDATE_IN_PROGRESS = 8, |
| 195 | GLF_REPLY_PENDING = 9, |
Steven Whitehouse | f057f6c | 2009-01-12 10:43:39 +0000 | [diff] [blame] | 196 | GLF_INITIAL = 10, |
| 197 | GLF_FROZEN = 11, |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 198 | }; |
| 199 | |
| 200 | struct gfs2_glock { |
Steven Whitehouse | b639789 | 2006-09-12 10:10:01 -0400 | [diff] [blame] | 201 | struct hlist_node gl_list; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 202 | unsigned long gl_flags; /* GLF_... */ |
| 203 | struct lm_lockname gl_name; |
Steven Whitehouse | 16feb9f | 2006-09-13 10:43:37 -0400 | [diff] [blame] | 204 | atomic_t gl_ref; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 205 | |
| 206 | spinlock_t gl_spin; |
| 207 | |
| 208 | unsigned int gl_state; |
Steven Whitehouse | 6802e34 | 2008-05-21 17:03:22 +0100 | [diff] [blame] | 209 | unsigned int gl_target; |
| 210 | unsigned int gl_reply; |
Steven Whitehouse | 37b2fa6 | 2006-09-08 13:35:56 -0400 | [diff] [blame] | 211 | unsigned int gl_hash; |
Benjamin Marzinski | 02ffad0 | 2009-03-06 10:03:20 -0600 | [diff] [blame] | 212 | unsigned int gl_req; |
Steven Whitehouse | 3b8249f | 2007-03-16 09:40:31 +0000 | [diff] [blame] | 213 | unsigned int gl_demote_state; /* state requested by remote node */ |
| 214 | unsigned long gl_demote_time; /* time of first demote request */ |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 215 | struct list_head gl_holders; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 216 | |
Steven Whitehouse | 8fb4b53 | 2006-08-30 09:30:00 -0400 | [diff] [blame] | 217 | const struct gfs2_glock_operations *gl_ops; |
Steven Whitehouse | f057f6c | 2009-01-12 10:43:39 +0000 | [diff] [blame] | 218 | char gl_strname[GDLM_STRNAME_BYTES]; |
| 219 | struct dlm_lksb gl_lksb; |
| 220 | char gl_lvb[32]; |
Benjamin Marzinski | c4f68a1 | 2007-08-23 13:19:05 -0500 | [diff] [blame] | 221 | unsigned long gl_tchange; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 222 | void *gl_object; |
| 223 | |
Steven Whitehouse | 97cc102 | 2008-11-20 13:39:47 +0000 | [diff] [blame] | 224 | struct list_head gl_lru; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 225 | |
| 226 | struct gfs2_sbd *gl_sbd; |
| 227 | |
| 228 | struct inode *gl_aspace; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 229 | struct list_head gl_ail_list; |
| 230 | atomic_t gl_ail_count; |
Benjamin Marzinski | c4f68a1 | 2007-08-23 13:19:05 -0500 | [diff] [blame] | 231 | struct delayed_work gl_work; |
Benjamin Marzinski | b94a170 | 2009-07-23 18:52:34 -0500 | [diff] [blame] | 232 | struct work_struct gl_delete; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 233 | }; |
| 234 | |
Steven Whitehouse | da755fd | 2008-01-30 15:34:04 +0000 | [diff] [blame] | 235 | #define GFS2_MIN_LVB_SIZE 32 /* Min size of LVB that gfs2 supports */ |
| 236 | |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 237 | struct gfs2_alloc { |
| 238 | /* Quota stuff */ |
| 239 | |
Steven Whitehouse | e9fc2aa | 2006-09-01 11:05:15 -0400 | [diff] [blame] | 240 | struct gfs2_quota_data *al_qd[2*MAXQUOTAS]; |
| 241 | struct gfs2_holder al_qd_ghs[2*MAXQUOTAS]; |
Steven Whitehouse | 6b61b07 | 2006-06-06 14:49:39 -0400 | [diff] [blame] | 242 | unsigned int al_qd_num; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 243 | |
Steven Whitehouse | 6b61b07 | 2006-06-06 14:49:39 -0400 | [diff] [blame] | 244 | u32 al_requested; /* Filled in by caller of gfs2_inplace_reserve() */ |
| 245 | u32 al_alloced; /* Filled in by gfs2_alloc_*() */ |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 246 | |
| 247 | /* Filled in by gfs2_inplace_reserve() */ |
| 248 | |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 249 | unsigned int al_line; |
Steven Whitehouse | 6b61b07 | 2006-06-06 14:49:39 -0400 | [diff] [blame] | 250 | char *al_file; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 251 | struct gfs2_holder al_ri_gh; |
| 252 | struct gfs2_holder al_rgd_gh; |
| 253 | struct gfs2_rgrpd *al_rgd; |
| 254 | |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 255 | }; |
| 256 | |
| 257 | enum { |
Steven Whitehouse | bfded27 | 2006-11-01 16:05:38 -0500 | [diff] [blame] | 258 | GIF_INVALID = 0, |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 259 | GIF_QD_LOCKED = 1, |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 260 | GIF_SW_PAGED = 3, |
Bob Peterson | 091806e | 2008-04-29 12:35:48 -0500 | [diff] [blame] | 261 | GIF_USER = 4, /* user inode, not metadata addr space */ |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 262 | }; |
| 263 | |
Steven Whitehouse | bb8d8a6 | 2007-06-01 14:11:58 +0100 | [diff] [blame] | 264 | |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 265 | struct gfs2_inode { |
Steven Whitehouse | 320dd10 | 2006-05-18 16:25:27 -0400 | [diff] [blame] | 266 | struct inode i_inode; |
Steven Whitehouse | dbb7cae | 2007-05-15 15:37:50 +0100 | [diff] [blame] | 267 | u64 i_no_addr; |
| 268 | u64 i_no_formal_ino; |
Steven Whitehouse | bcf0b5b | 2008-11-03 13:39:46 +0000 | [diff] [blame] | 269 | u64 i_generation; |
Steven Whitehouse | 3767ac2 | 2008-11-03 14:28:42 +0000 | [diff] [blame] | 270 | u64 i_eattr; |
Steven Whitehouse | c9e9888 | 2008-11-04 09:47:33 +0000 | [diff] [blame] | 271 | loff_t i_disksize; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 272 | unsigned long i_flags; /* GIF_... */ |
Steven Whitehouse | feaa7bb | 2006-06-14 15:32:57 -0400 | [diff] [blame] | 273 | struct gfs2_glock *i_gl; /* Move into i_gh? */ |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 274 | struct gfs2_holder i_iopen_gh; |
Steven Whitehouse | f42faf4 | 2006-01-30 18:34:10 +0000 | [diff] [blame] | 275 | struct gfs2_holder i_gh; /* for prepare/commit_write only */ |
Steven Whitehouse | 6dbd822 | 2008-01-10 15:18:55 +0000 | [diff] [blame] | 276 | struct gfs2_alloc *i_alloc; |
Steven Whitehouse | ce276b0 | 2008-02-06 09:25:45 +0000 | [diff] [blame] | 277 | u64 i_goal; /* goal block for allocations */ |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 278 | struct rw_semaphore i_rw_mutex; |
Steven Whitehouse | 813e0c4 | 2008-11-18 13:38:48 +0000 | [diff] [blame] | 279 | struct list_head i_trunc_list; |
Steven Whitehouse | ad6203f | 2008-11-03 13:59:19 +0000 | [diff] [blame] | 280 | u32 i_entries; |
Steven Whitehouse | 383f01f | 2008-11-04 10:05:22 +0000 | [diff] [blame] | 281 | u32 i_diskflags; |
Steven Whitehouse | ecc30c7 | 2008-01-28 10:37:35 +0000 | [diff] [blame] | 282 | u8 i_height; |
Steven Whitehouse | 9a00450 | 2008-02-01 09:23:44 +0000 | [diff] [blame] | 283 | u8 i_depth; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 284 | }; |
| 285 | |
Steven Whitehouse | feaa7bb | 2006-06-14 15:32:57 -0400 | [diff] [blame] | 286 | /* |
| 287 | * Since i_inode is the first element of struct gfs2_inode, |
| 288 | * this is effectively a cast. |
| 289 | */ |
Steven Whitehouse | 320dd10 | 2006-05-18 16:25:27 -0400 | [diff] [blame] | 290 | static inline struct gfs2_inode *GFS2_I(struct inode *inode) |
| 291 | { |
| 292 | return container_of(inode, struct gfs2_inode, i_inode); |
| 293 | } |
| 294 | |
Steven Whitehouse | bf36a71 | 2007-10-17 08:35:19 +0100 | [diff] [blame] | 295 | static inline struct gfs2_sbd *GFS2_SB(const struct inode *inode) |
Steven Whitehouse | feaa7bb | 2006-06-14 15:32:57 -0400 | [diff] [blame] | 296 | { |
| 297 | return inode->i_sb->s_fs_info; |
| 298 | } |
| 299 | |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 300 | struct gfs2_file { |
Steven Whitehouse | f55ab26 | 2006-02-21 12:51:39 +0000 | [diff] [blame] | 301 | struct mutex f_fl_mutex; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 302 | struct gfs2_holder f_fl_gh; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 303 | }; |
| 304 | |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 305 | struct gfs2_revoke_replay { |
| 306 | struct list_head rr_list; |
Steven Whitehouse | cd91549 | 2006-09-04 12:49:07 -0400 | [diff] [blame] | 307 | u64 rr_blkno; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 308 | unsigned int rr_where; |
| 309 | }; |
| 310 | |
| 311 | enum { |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 312 | QDF_USER = 0, |
| 313 | QDF_CHANGE = 1, |
| 314 | QDF_LOCKED = 2, |
| 315 | }; |
| 316 | |
| 317 | struct gfs2_quota_data { |
| 318 | struct list_head qd_list; |
Abhijith Das | 0a7ab79 | 2009-01-07 16:03:37 -0600 | [diff] [blame] | 319 | struct list_head qd_reclaim; |
| 320 | |
| 321 | atomic_t qd_count; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 322 | |
Steven Whitehouse | cd91549 | 2006-09-04 12:49:07 -0400 | [diff] [blame] | 323 | u32 qd_id; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 324 | unsigned long qd_flags; /* QDF_... */ |
| 325 | |
Steven Whitehouse | cd91549 | 2006-09-04 12:49:07 -0400 | [diff] [blame] | 326 | s64 qd_change; |
| 327 | s64 qd_change_sync; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 328 | |
| 329 | unsigned int qd_slot; |
| 330 | unsigned int qd_slot_count; |
| 331 | |
| 332 | struct buffer_head *qd_bh; |
| 333 | struct gfs2_quota_change *qd_bh_qc; |
| 334 | unsigned int qd_bh_count; |
| 335 | |
| 336 | struct gfs2_glock *qd_gl; |
| 337 | struct gfs2_quota_lvb qd_qb; |
| 338 | |
Steven Whitehouse | cd91549 | 2006-09-04 12:49:07 -0400 | [diff] [blame] | 339 | u64 qd_sync_gen; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 340 | unsigned long qd_last_warn; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 341 | }; |
| 342 | |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 343 | struct gfs2_trans { |
Steven Whitehouse | d0dc80d | 2006-03-29 14:36:49 -0500 | [diff] [blame] | 344 | unsigned long tr_ip; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 345 | |
| 346 | unsigned int tr_blocks; |
| 347 | unsigned int tr_revokes; |
| 348 | unsigned int tr_reserved; |
| 349 | |
Steven Whitehouse | e317ffc | 2006-03-01 11:39:37 -0500 | [diff] [blame] | 350 | struct gfs2_holder tr_t_gh; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 351 | |
| 352 | int tr_touched; |
| 353 | |
| 354 | unsigned int tr_num_buf; |
| 355 | unsigned int tr_num_buf_new; |
Robert Peterson | 2332c44 | 2007-06-18 14:50:20 -0500 | [diff] [blame] | 356 | unsigned int tr_num_databuf_new; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 357 | unsigned int tr_num_buf_rm; |
Robert Peterson | 2332c44 | 2007-06-18 14:50:20 -0500 | [diff] [blame] | 358 | unsigned int tr_num_databuf_rm; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 359 | struct list_head tr_list_buf; |
| 360 | |
| 361 | unsigned int tr_num_revoke; |
| 362 | unsigned int tr_num_revoke_rm; |
| 363 | }; |
| 364 | |
| 365 | struct gfs2_ail { |
| 366 | struct list_head ai_list; |
| 367 | |
| 368 | unsigned int ai_first; |
| 369 | struct list_head ai_ail1_list; |
| 370 | struct list_head ai_ail2_list; |
| 371 | |
Steven Whitehouse | cd91549 | 2006-09-04 12:49:07 -0400 | [diff] [blame] | 372 | u64 ai_sync_gen; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 373 | }; |
| 374 | |
Bob Peterson | da6dd40 | 2007-12-11 18:49:21 -0600 | [diff] [blame] | 375 | struct gfs2_journal_extent { |
| 376 | struct list_head extent_list; |
| 377 | |
| 378 | unsigned int lblock; /* First logical block */ |
| 379 | u64 dblock; /* First disk block */ |
| 380 | u64 blocks; |
| 381 | }; |
| 382 | |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 383 | struct gfs2_jdesc { |
| 384 | struct list_head jd_list; |
Bob Peterson | da6dd40 | 2007-12-11 18:49:21 -0600 | [diff] [blame] | 385 | struct list_head extent_list; |
Steven Whitehouse | fe64d51 | 2009-05-19 10:01:18 +0100 | [diff] [blame] | 386 | struct slow_work jd_work; |
Steven Whitehouse | 7359a19 | 2006-02-13 12:27:43 +0000 | [diff] [blame] | 387 | struct inode *jd_inode; |
Steven Whitehouse | fe64d51 | 2009-05-19 10:01:18 +0100 | [diff] [blame] | 388 | unsigned long jd_flags; |
| 389 | #define JDF_RECOVERY 1 |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 390 | unsigned int jd_jid; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 391 | unsigned int jd_blocks; |
| 392 | }; |
| 393 | |
Steven Whitehouse | bb8d8a6 | 2007-06-01 14:11:58 +0100 | [diff] [blame] | 394 | struct gfs2_statfs_change_host { |
| 395 | s64 sc_total; |
| 396 | s64 sc_free; |
| 397 | s64 sc_dinodes; |
| 398 | }; |
| 399 | |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 400 | #define GFS2_QUOTA_DEFAULT GFS2_QUOTA_OFF |
| 401 | #define GFS2_QUOTA_OFF 0 |
| 402 | #define GFS2_QUOTA_ACCOUNT 1 |
| 403 | #define GFS2_QUOTA_ON 2 |
| 404 | |
| 405 | #define GFS2_DATA_DEFAULT GFS2_DATA_ORDERED |
| 406 | #define GFS2_DATA_WRITEBACK 1 |
| 407 | #define GFS2_DATA_ORDERED 2 |
| 408 | |
| 409 | struct gfs2_args { |
Steven Whitehouse | 37ec89e | 2008-09-18 13:49:32 +0100 | [diff] [blame] | 410 | char ar_lockproto[GFS2_LOCKNAME_LEN]; /* Name of the Lock Protocol */ |
| 411 | char ar_locktable[GFS2_LOCKNAME_LEN]; /* Name of the Lock Table */ |
| 412 | char ar_hostdata[GFS2_LOCKNAME_LEN]; /* Host specific data */ |
| 413 | unsigned int ar_spectator:1; /* Don't get a journal */ |
| 414 | unsigned int ar_ignore_local_fs:1; /* Ignore optimisations */ |
| 415 | unsigned int ar_localflocks:1; /* Let the VFS do flock|fcntl */ |
| 416 | unsigned int ar_localcaching:1; /* Local caching */ |
| 417 | unsigned int ar_debug:1; /* Oops on errors */ |
| 418 | unsigned int ar_upgrade:1; /* Upgrade ondisk format */ |
| 419 | unsigned int ar_posix_acl:1; /* Enable posix acls */ |
| 420 | unsigned int ar_quota:2; /* off/account/on */ |
| 421 | unsigned int ar_suiddir:1; /* suiddir support */ |
| 422 | unsigned int ar_data:2; /* ordered/writeback */ |
| 423 | unsigned int ar_meta:1; /* mount metafs */ |
Steven Whitehouse | f15ab56 | 2009-02-09 09:25:01 +0000 | [diff] [blame] | 424 | unsigned int ar_discard:1; /* discard requests */ |
Steven Whitehouse | 48c2b61 | 2009-05-13 14:49:48 +0100 | [diff] [blame] | 425 | int ar_commit; /* Commit interval */ |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 426 | }; |
| 427 | |
| 428 | struct gfs2_tune { |
| 429 | spinlock_t gt_spin; |
| 430 | |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 431 | unsigned int gt_incore_log_blocks; |
| 432 | unsigned int gt_log_flush_secs; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 433 | |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 434 | unsigned int gt_logd_secs; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 435 | |
| 436 | unsigned int gt_quota_simul_sync; /* Max quotavals to sync at once */ |
| 437 | unsigned int gt_quota_warn_period; /* Secs between quota warn msgs */ |
| 438 | unsigned int gt_quota_scale_num; /* Numerator */ |
| 439 | unsigned int gt_quota_scale_den; /* Denominator */ |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 440 | unsigned int gt_quota_quantum; /* Secs between syncs to quota file */ |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 441 | unsigned int gt_new_files_jdata; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 442 | unsigned int gt_max_readahead; /* Max bytes to read-ahead from disk */ |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 443 | unsigned int gt_stall_secs; /* Detects trouble! */ |
| 444 | unsigned int gt_complain_secs; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 445 | unsigned int gt_statfs_quantum; |
| 446 | unsigned int gt_statfs_slow; |
| 447 | }; |
| 448 | |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 449 | enum { |
| 450 | SDF_JOURNAL_CHECKED = 0, |
| 451 | SDF_JOURNAL_LIVE = 1, |
| 452 | SDF_SHUTDOWN = 2, |
Steven Whitehouse | 254db57 | 2008-09-26 10:23:22 +0100 | [diff] [blame] | 453 | SDF_NOBARRIERS = 3, |
Steven Whitehouse | fe64d51 | 2009-05-19 10:01:18 +0100 | [diff] [blame] | 454 | SDF_NORECOVERY = 4, |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 455 | }; |
| 456 | |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 457 | #define GFS2_FSNAME_LEN 256 |
| 458 | |
Steven Whitehouse | bb8d8a6 | 2007-06-01 14:11:58 +0100 | [diff] [blame] | 459 | struct gfs2_inum_host { |
| 460 | u64 no_formal_ino; |
| 461 | u64 no_addr; |
| 462 | }; |
| 463 | |
| 464 | struct gfs2_sb_host { |
| 465 | u32 sb_magic; |
| 466 | u32 sb_type; |
| 467 | u32 sb_format; |
| 468 | |
| 469 | u32 sb_fs_format; |
| 470 | u32 sb_multihost_format; |
| 471 | u32 sb_bsize; |
| 472 | u32 sb_bsize_shift; |
| 473 | |
| 474 | struct gfs2_inum_host sb_master_dir; |
| 475 | struct gfs2_inum_host sb_root_dir; |
| 476 | |
| 477 | char sb_lockproto[GFS2_LOCKNAME_LEN]; |
| 478 | char sb_locktable[GFS2_LOCKNAME_LEN]; |
Steven Whitehouse | 02e3cc7 | 2009-02-10 13:48:30 +0000 | [diff] [blame] | 479 | u8 sb_uuid[16]; |
Steven Whitehouse | bb8d8a6 | 2007-06-01 14:11:58 +0100 | [diff] [blame] | 480 | }; |
| 481 | |
Steven Whitehouse | f057f6c | 2009-01-12 10:43:39 +0000 | [diff] [blame] | 482 | /* |
| 483 | * lm_mount() return values |
| 484 | * |
| 485 | * ls_jid - the journal ID this node should use |
| 486 | * ls_first - this node is the first to mount the file system |
| 487 | * ls_lockspace - lock module's context for this file system |
| 488 | * ls_ops - lock module's functions |
| 489 | */ |
| 490 | |
| 491 | struct lm_lockstruct { |
| 492 | u32 ls_id; |
| 493 | unsigned int ls_jid; |
| 494 | unsigned int ls_first; |
| 495 | unsigned int ls_first_done; |
| 496 | unsigned int ls_nodir; |
| 497 | const struct lm_lockops *ls_ops; |
| 498 | unsigned long ls_flags; |
| 499 | dlm_lockspace_t *ls_dlm; |
| 500 | |
Steven Whitehouse | f057f6c | 2009-01-12 10:43:39 +0000 | [diff] [blame] | 501 | int ls_recover_jid_done; |
| 502 | int ls_recover_jid_status; |
| 503 | }; |
| 504 | |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 505 | struct gfs2_sbd { |
| 506 | struct super_block *sd_vfs; |
| 507 | struct kobject sd_kobj; |
| 508 | unsigned long sd_flags; /* SDF_... */ |
Al Viro | f50dfaf | 2006-10-13 20:45:02 -0400 | [diff] [blame] | 509 | struct gfs2_sb_host sd_sb; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 510 | |
| 511 | /* Constants computed on mount */ |
| 512 | |
Steven Whitehouse | cd91549 | 2006-09-04 12:49:07 -0400 | [diff] [blame] | 513 | u32 sd_fsb2bb; |
| 514 | u32 sd_fsb2bb_shift; |
| 515 | u32 sd_diptrs; /* Number of pointers in a dinode */ |
| 516 | u32 sd_inptrs; /* Number of pointers in a indirect block */ |
| 517 | u32 sd_jbsize; /* Size of a journaled data block */ |
| 518 | u32 sd_hash_bsize; /* sizeof(exhash block) */ |
| 519 | u32 sd_hash_bsize_shift; |
| 520 | u32 sd_hash_ptrs; /* Number of pointers in a hash block */ |
| 521 | u32 sd_qc_per_block; |
| 522 | u32 sd_max_dirres; /* Max blocks needed to add a directory entry */ |
| 523 | u32 sd_max_height; /* Max height of a file's metadata tree */ |
Steven Whitehouse | ecc30c7 | 2008-01-28 10:37:35 +0000 | [diff] [blame] | 524 | u64 sd_heightsize[GFS2_MAX_META_HEIGHT + 1]; |
Steven Whitehouse | cd91549 | 2006-09-04 12:49:07 -0400 | [diff] [blame] | 525 | u32 sd_max_jheight; /* Max height of journaled file's meta tree */ |
Steven Whitehouse | ecc30c7 | 2008-01-28 10:37:35 +0000 | [diff] [blame] | 526 | u64 sd_jheightsize[GFS2_MAX_META_HEIGHT + 1]; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 527 | |
| 528 | struct gfs2_args sd_args; /* Mount arguments */ |
| 529 | struct gfs2_tune sd_tune; /* Filesystem tuning structure */ |
| 530 | |
| 531 | /* Lock Stuff */ |
| 532 | |
| 533 | struct lm_lockstruct sd_lockstruct; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 534 | struct gfs2_holder sd_live_gh; |
| 535 | struct gfs2_glock *sd_rename_gl; |
| 536 | struct gfs2_glock *sd_trans_gl; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 537 | |
| 538 | /* Inode Stuff */ |
| 539 | |
Steven Whitehouse | 9b8df98 | 2008-08-08 13:45:13 +0100 | [diff] [blame] | 540 | struct dentry *sd_master_dir; |
| 541 | struct dentry *sd_root_dir; |
| 542 | |
Steven Whitehouse | f42faf4 | 2006-01-30 18:34:10 +0000 | [diff] [blame] | 543 | struct inode *sd_jindex; |
| 544 | struct inode *sd_inum_inode; |
| 545 | struct inode *sd_statfs_inode; |
| 546 | struct inode *sd_ir_inode; |
| 547 | struct inode *sd_sc_inode; |
Steven Whitehouse | f42faf4 | 2006-01-30 18:34:10 +0000 | [diff] [blame] | 548 | struct inode *sd_qc_inode; |
| 549 | struct inode *sd_rindex; |
| 550 | struct inode *sd_quota_inode; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 551 | |
| 552 | /* Inum stuff */ |
| 553 | |
Steven Whitehouse | f55ab26 | 2006-02-21 12:51:39 +0000 | [diff] [blame] | 554 | struct mutex sd_inum_mutex; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 555 | |
| 556 | /* StatFS stuff */ |
| 557 | |
| 558 | spinlock_t sd_statfs_spin; |
Al Viro | bd209cc | 2006-10-13 23:43:19 -0400 | [diff] [blame] | 559 | struct gfs2_statfs_change_host sd_statfs_master; |
| 560 | struct gfs2_statfs_change_host sd_statfs_local; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 561 | |
| 562 | /* Resource group stuff */ |
| 563 | |
Bob Peterson | cf45b75 | 2008-01-31 10:31:39 -0600 | [diff] [blame] | 564 | int sd_rindex_uptodate; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 565 | spinlock_t sd_rindex_spin; |
Steven Whitehouse | f55ab26 | 2006-02-21 12:51:39 +0000 | [diff] [blame] | 566 | struct mutex sd_rindex_mutex; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 567 | struct list_head sd_rindex_list; |
| 568 | struct list_head sd_rindex_mru_list; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 569 | struct gfs2_rgrpd *sd_rindex_forward; |
| 570 | unsigned int sd_rgrps; |
| 571 | |
| 572 | /* Journal index stuff */ |
| 573 | |
| 574 | struct list_head sd_jindex_list; |
| 575 | spinlock_t sd_jindex_spin; |
Steven Whitehouse | f55ab26 | 2006-02-21 12:51:39 +0000 | [diff] [blame] | 576 | struct mutex sd_jindex_mutex; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 577 | unsigned int sd_journals; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 578 | |
| 579 | struct gfs2_jdesc *sd_jdesc; |
| 580 | struct gfs2_holder sd_journal_gh; |
| 581 | struct gfs2_holder sd_jinode_gh; |
| 582 | |
| 583 | struct gfs2_holder sd_ir_gh; |
| 584 | struct gfs2_holder sd_sc_gh; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 585 | struct gfs2_holder sd_qc_gh; |
| 586 | |
| 587 | /* Daemon stuff */ |
| 588 | |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 589 | struct task_struct *sd_logd_process; |
| 590 | struct task_struct *sd_quotad_process; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 591 | |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 592 | /* Quota stuff */ |
| 593 | |
| 594 | struct list_head sd_quota_list; |
| 595 | atomic_t sd_quota_count; |
Steven Whitehouse | f55ab26 | 2006-02-21 12:51:39 +0000 | [diff] [blame] | 596 | struct mutex sd_quota_mutex; |
Steven Whitehouse | 37b2c83 | 2008-11-17 14:25:37 +0000 | [diff] [blame] | 597 | wait_queue_head_t sd_quota_wait; |
Steven Whitehouse | 813e0c4 | 2008-11-18 13:38:48 +0000 | [diff] [blame] | 598 | struct list_head sd_trunc_list; |
| 599 | spinlock_t sd_trunc_lock; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 600 | |
| 601 | unsigned int sd_quota_slots; |
| 602 | unsigned int sd_quota_chunks; |
| 603 | unsigned char **sd_quota_bitmap; |
| 604 | |
Steven Whitehouse | cd91549 | 2006-09-04 12:49:07 -0400 | [diff] [blame] | 605 | u64 sd_quota_sync_gen; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 606 | |
| 607 | /* Log stuff */ |
| 608 | |
| 609 | spinlock_t sd_log_lock; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 610 | |
| 611 | unsigned int sd_log_blks_reserved; |
| 612 | unsigned int sd_log_commited_buf; |
Robert Peterson | 2332c44 | 2007-06-18 14:50:20 -0500 | [diff] [blame] | 613 | unsigned int sd_log_commited_databuf; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 614 | unsigned int sd_log_commited_revoke; |
| 615 | |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 616 | unsigned int sd_log_num_buf; |
| 617 | unsigned int sd_log_num_revoke; |
| 618 | unsigned int sd_log_num_rg; |
| 619 | unsigned int sd_log_num_databuf; |
Steven Whitehouse | f42faf4 | 2006-01-30 18:34:10 +0000 | [diff] [blame] | 620 | |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 621 | struct list_head sd_log_le_buf; |
| 622 | struct list_head sd_log_le_revoke; |
| 623 | struct list_head sd_log_le_rg; |
| 624 | struct list_head sd_log_le_databuf; |
Steven Whitehouse | d7b616e | 2007-09-02 10:48:13 +0100 | [diff] [blame] | 625 | struct list_head sd_log_le_ordered; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 626 | |
Steven Whitehouse | fd041f0 | 2007-11-08 14:55:03 +0000 | [diff] [blame] | 627 | atomic_t sd_log_blks_free; |
Steven Whitehouse | 71b86f5 | 2006-03-28 14:14:04 -0500 | [diff] [blame] | 628 | struct mutex sd_log_reserve_mutex; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 629 | |
Steven Whitehouse | cd91549 | 2006-09-04 12:49:07 -0400 | [diff] [blame] | 630 | u64 sd_log_sequence; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 631 | unsigned int sd_log_head; |
| 632 | unsigned int sd_log_tail; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 633 | int sd_log_idle; |
| 634 | |
| 635 | unsigned long sd_log_flush_time; |
Steven Whitehouse | 484adff | 2006-03-29 09:12:12 -0500 | [diff] [blame] | 636 | struct rw_semaphore sd_log_flush_lock; |
Steven Whitehouse | 16615be | 2007-09-17 10:59:52 +0100 | [diff] [blame] | 637 | atomic_t sd_log_in_flight; |
| 638 | wait_queue_head_t sd_log_flush_wait; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 639 | |
| 640 | unsigned int sd_log_flush_head; |
Steven Whitehouse | cd91549 | 2006-09-04 12:49:07 -0400 | [diff] [blame] | 641 | u64 sd_log_flush_wrapped; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 642 | |
| 643 | struct list_head sd_ail1_list; |
| 644 | struct list_head sd_ail2_list; |
Steven Whitehouse | cd91549 | 2006-09-04 12:49:07 -0400 | [diff] [blame] | 645 | u64 sd_ail_sync_gen; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 646 | |
| 647 | /* Replay stuff */ |
| 648 | |
| 649 | struct list_head sd_revoke_list; |
| 650 | unsigned int sd_replay_tail; |
| 651 | |
| 652 | unsigned int sd_found_blocks; |
| 653 | unsigned int sd_found_revokes; |
| 654 | unsigned int sd_replayed_blocks; |
| 655 | |
| 656 | /* For quiescing the filesystem */ |
| 657 | |
| 658 | struct gfs2_holder sd_freeze_gh; |
Steven Whitehouse | f55ab26 | 2006-02-21 12:51:39 +0000 | [diff] [blame] | 659 | struct mutex sd_freeze_lock; |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 660 | unsigned int sd_freeze_count; |
| 661 | |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 662 | char sd_fsname[GFS2_FSNAME_LEN]; |
| 663 | char sd_table_name[GFS2_FSNAME_LEN]; |
| 664 | char sd_proto_name[GFS2_FSNAME_LEN]; |
| 665 | |
| 666 | /* Debugging crud */ |
| 667 | |
| 668 | unsigned long sd_last_warning; |
Robert Peterson | 5f88209 | 2007-04-18 11:41:11 -0500 | [diff] [blame] | 669 | struct dentry *debugfs_dir; /* debugfs directory */ |
| 670 | struct dentry *debugfs_dentry_glocks; /* for debugfs */ |
David Teigland | b3b94fa | 2006-01-16 16:50:04 +0000 | [diff] [blame] | 671 | }; |
| 672 | |
| 673 | #endif /* __INCORE_DOT_H__ */ |
| 674 | |