Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Nathan Scott | 7b71876 | 2005-11-02 14:58:39 +1100 | [diff] [blame] | 2 | * Copyright (c) 2000-2005 Silicon Graphics, Inc. |
| 3 | * All Rights Reserved. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | * |
Nathan Scott | 7b71876 | 2005-11-02 14:58:39 +1100 | [diff] [blame] | 5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU General Public License as |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7 | * published by the Free Software Foundation. |
| 8 | * |
Nathan Scott | 7b71876 | 2005-11-02 14:58:39 +1100 | [diff] [blame] | 9 | * This program is distributed in the hope that it would be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 | * |
Nathan Scott | 7b71876 | 2005-11-02 14:58:39 +1100 | [diff] [blame] | 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write the Free Software Foundation, |
| 16 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | */ |
| 18 | #ifndef __XFS_LINUX__ |
| 19 | #define __XFS_LINUX__ |
| 20 | |
| 21 | #include <linux/types.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | |
| 23 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | * XFS_BIG_BLKNOS needs block layer disk addresses to be 64 bits. |
Christoph Hellwig | 6c31b93 | 2008-11-28 14:23:32 +1100 | [diff] [blame] | 25 | * XFS_BIG_INUMS requires XFS_BIG_BLKNOS to be set. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | */ |
Bartlomiej Zolnierkiewicz | 90c699a | 2009-06-19 08:08:50 +0200 | [diff] [blame] | 27 | #if defined(CONFIG_LBDAF) || (BITS_PER_LONG == 64) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | # define XFS_BIG_BLKNOS 1 |
Christoph Hellwig | 6c31b93 | 2008-11-28 14:23:32 +1100 | [diff] [blame] | 29 | # define XFS_BIG_INUMS 1 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | #else |
| 31 | # define XFS_BIG_BLKNOS 0 |
| 32 | # define XFS_BIG_INUMS 0 |
| 33 | #endif |
| 34 | |
Dave Chinner | 4f3d71f | 2013-08-12 20:49:54 +1000 | [diff] [blame] | 35 | /* |
| 36 | * Kernel specific type declarations for XFS |
| 37 | */ |
| 38 | typedef signed char __int8_t; |
| 39 | typedef unsigned char __uint8_t; |
| 40 | typedef signed short int __int16_t; |
| 41 | typedef unsigned short int __uint16_t; |
| 42 | typedef signed int __int32_t; |
| 43 | typedef unsigned int __uint32_t; |
| 44 | typedef signed long long int __int64_t; |
| 45 | typedef unsigned long long int __uint64_t; |
| 46 | |
| 47 | typedef __uint32_t inst_t; /* an instruction */ |
| 48 | |
| 49 | typedef __s64 xfs_off_t; /* <file offset> type */ |
| 50 | typedef unsigned long long xfs_ino_t; /* <inode> type */ |
| 51 | typedef __s64 xfs_daddr_t; /* <disk address> type */ |
| 52 | typedef char * xfs_caddr_t; /* <core address> type */ |
| 53 | typedef __u32 xfs_dev_t; |
| 54 | typedef __u32 xfs_nlink_t; |
| 55 | |
| 56 | /* __psint_t is the same size as a pointer */ |
| 57 | #if (BITS_PER_LONG == 32) |
| 58 | typedef __int32_t __psint_t; |
| 59 | typedef __uint32_t __psunsigned_t; |
| 60 | #elif (BITS_PER_LONG == 64) |
| 61 | typedef __int64_t __psint_t; |
| 62 | typedef __uint64_t __psunsigned_t; |
| 63 | #else |
| 64 | #error BITS_PER_LONG must be 32 or 64 |
| 65 | #endif |
| 66 | |
Alex Elder | 06f8e2d | 2011-08-12 13:57:55 -0500 | [diff] [blame] | 67 | #include "xfs_types.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 68 | |
Alex Elder | 06f8e2d | 2011-08-12 13:57:55 -0500 | [diff] [blame] | 69 | #include "kmem.h" |
| 70 | #include "mrlock.h" |
| 71 | #include "time.h" |
| 72 | #include "uuid.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 73 | |
David Chinner | ab4a9b0 | 2008-08-13 16:42:10 +1000 | [diff] [blame] | 74 | #include <linux/semaphore.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | #include <linux/mm.h> |
| 76 | #include <linux/kernel.h> |
| 77 | #include <linux/blkdev.h> |
| 78 | #include <linux/slab.h> |
Christoph Hellwig | bc02e86 | 2012-11-16 09:20:37 +1100 | [diff] [blame] | 79 | #include <linux/crc32c.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 80 | #include <linux/module.h> |
Christoph Hellwig | a0b0b8a | 2009-03-29 09:51:00 +0200 | [diff] [blame] | 81 | #include <linux/mutex.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 82 | #include <linux/file.h> |
| 83 | #include <linux/swap.h> |
| 84 | #include <linux/errno.h> |
| 85 | #include <linux/sched.h> |
| 86 | #include <linux/bitops.h> |
| 87 | #include <linux/major.h> |
| 88 | #include <linux/pagemap.h> |
| 89 | #include <linux/vfs.h> |
| 90 | #include <linux/seq_file.h> |
| 91 | #include <linux/init.h> |
| 92 | #include <linux/list.h> |
| 93 | #include <linux/proc_fs.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 94 | #include <linux/sort.h> |
David Chinner | e8234a6 | 2006-03-14 13:23:52 +1100 | [diff] [blame] | 95 | #include <linux/cpu.h> |
| 96 | #include <linux/notifier.h> |
David Chinner | 01e1b69 | 2006-03-14 13:29:16 +1100 | [diff] [blame] | 97 | #include <linux/delay.h> |
Eric Sandeen | af3a2e8 | 2007-08-16 16:25:23 +1000 | [diff] [blame] | 98 | #include <linux/log2.h> |
Eric Sandeen | 007c61c | 2007-10-11 17:43:56 +1000 | [diff] [blame] | 99 | #include <linux/spinlock.h> |
David Chinner | 64275ea | 2008-04-30 17:11:16 +1000 | [diff] [blame] | 100 | #include <linux/random.h> |
Barry Naujok | 189f4bf | 2008-05-21 16:58:55 +1000 | [diff] [blame] | 101 | #include <linux/ctype.h> |
David Chinner | 6bfb3d0 | 2008-10-30 18:32:43 +1100 | [diff] [blame] | 102 | #include <linux/writeback.h> |
Christoph Hellwig | 6c77b0e | 2010-10-06 18:41:17 +0000 | [diff] [blame] | 103 | #include <linux/capability.h> |
Christoph Hellwig | 0030807 | 2011-10-11 11:14:10 -0400 | [diff] [blame] | 104 | #include <linux/kthread.h> |
| 105 | #include <linux/freezer.h> |
Christoph Hellwig | 8a072a4 | 2011-04-24 19:06:17 +0000 | [diff] [blame] | 106 | #include <linux/list_sort.h> |
Rich Johnston | 3d6e036 | 2013-03-27 09:26:49 -0500 | [diff] [blame] | 107 | #include <linux/ratelimit.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 108 | |
| 109 | #include <asm/page.h> |
| 110 | #include <asm/div64.h> |
| 111 | #include <asm/param.h> |
| 112 | #include <asm/uaccess.h> |
| 113 | #include <asm/byteorder.h> |
| 114 | #include <asm/unaligned.h> |
| 115 | |
Alex Elder | 06f8e2d | 2011-08-12 13:57:55 -0500 | [diff] [blame] | 116 | #include "xfs_vnode.h" |
| 117 | #include "xfs_stats.h" |
| 118 | #include "xfs_sysctl.h" |
| 119 | #include "xfs_iops.h" |
| 120 | #include "xfs_aops.h" |
| 121 | #include "xfs_super.h" |
Eric Sandeen | 5158217 | 2014-02-27 15:17:27 +1100 | [diff] [blame] | 122 | #include "xfs_cksum.h" |
Alex Elder | 06f8e2d | 2011-08-12 13:57:55 -0500 | [diff] [blame] | 123 | #include "xfs_buf.h" |
| 124 | #include "xfs_message.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 125 | |
Christoph Hellwig | 218106a | 2011-07-08 14:35:58 +0200 | [diff] [blame] | 126 | #ifdef __BIG_ENDIAN |
| 127 | #define XFS_NATIVE_HOST 1 |
| 128 | #else |
| 129 | #undef XFS_NATIVE_HOST |
| 130 | #endif |
| 131 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 132 | /* |
| 133 | * Feature macros (disable/enable) |
| 134 | */ |
Nathan Scott | d2c32ed | 2006-03-14 13:20:13 +1100 | [diff] [blame] | 135 | #ifdef CONFIG_SMP |
David Chinner | 8d280b9 | 2006-03-14 13:13:09 +1100 | [diff] [blame] | 136 | #define HAVE_PERCPU_SB /* per cpu superblock counters are a 2.6 feature */ |
| 137 | #else |
| 138 | #undef HAVE_PERCPU_SB /* per cpu superblock counters are a 2.6 feature */ |
| 139 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 140 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 141 | #define irix_sgid_inherit xfs_params.sgid_inherit.val |
| 142 | #define irix_symlink_mode xfs_params.symlink_mode.val |
| 143 | #define xfs_panic_mask xfs_params.panic_mask.val |
| 144 | #define xfs_error_level xfs_params.error_level.val |
| 145 | #define xfs_syncd_centisecs xfs_params.syncd_timer.val |
| 146 | #define xfs_stats_clear xfs_params.stats_clear.val |
| 147 | #define xfs_inherit_sync xfs_params.inherit_sync.val |
| 148 | #define xfs_inherit_nodump xfs_params.inherit_nodump.val |
| 149 | #define xfs_inherit_noatime xfs_params.inherit_noatim.val |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 150 | #define xfs_inherit_nosymlinks xfs_params.inherit_nosym.val |
| 151 | #define xfs_rotorstep xfs_params.rotorstep.val |
Barry Naujok | d3446ea | 2006-06-09 14:54:19 +1000 | [diff] [blame] | 152 | #define xfs_inherit_nodefrag xfs_params.inherit_nodfrg.val |
David Chinner | 2a82b8b | 2007-07-11 11:09:12 +1000 | [diff] [blame] | 153 | #define xfs_fstrm_centisecs xfs_params.fstrm_timer.val |
Brian Foster | 579b62f | 2012-11-06 09:50:47 -0500 | [diff] [blame] | 154 | #define xfs_eofb_secs xfs_params.eofb_timer.val |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 155 | |
Nathan Scott | 59c1b08 | 2006-06-09 14:59:13 +1000 | [diff] [blame] | 156 | #define current_cpu() (raw_smp_processor_id()) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 157 | #define current_pid() (current->pid) |
Nathan Scott | 59c1b08 | 2006-06-09 14:59:13 +1000 | [diff] [blame] | 158 | #define current_test_flags(f) (current->flags & (f)) |
Nathan Scott | 59c1b08 | 2006-06-09 14:59:13 +1000 | [diff] [blame] | 159 | #define current_set_flags_nested(sp, f) \ |
| 160 | (*(sp) = current->flags, current->flags |= (f)) |
| 161 | #define current_clear_flags_nested(sp, f) \ |
| 162 | (*(sp) = current->flags, current->flags &= ~(f)) |
| 163 | #define current_restore_flags_nested(sp, f) \ |
| 164 | (current->flags = ((current->flags & ~(f)) | (*(sp) & (f)))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 165 | |
Eric Sandeen | 007c61c | 2007-10-11 17:43:56 +1000 | [diff] [blame] | 166 | #define spinlock_destroy(lock) |
| 167 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 168 | #define NBBY 8 /* number of bits per byte */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 169 | |
| 170 | /* |
| 171 | * Size of block device i/o is parameterized here. |
| 172 | * Currently the system supports page-sized i/o. |
| 173 | */ |
Tim Shimmin | e6a4b37 | 2007-11-23 16:30:42 +1100 | [diff] [blame] | 174 | #define BLKDEV_IOSHIFT PAGE_CACHE_SHIFT |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 175 | #define BLKDEV_IOSIZE (1<<BLKDEV_IOSHIFT) |
| 176 | /* number of BB's per block device block */ |
| 177 | #define BLKDEV_BB BTOBB(BLKDEV_IOSIZE) |
| 178 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 179 | #define ENOATTR ENODATA /* Attribute not found */ |
Nathan Scott | da2f4d6 | 2006-06-20 13:01:38 +1000 | [diff] [blame] | 180 | #define EWRONGFS EINVAL /* Mount with wrong filesystem type */ |
| 181 | #define EFSCORRUPTED EUCLEAN /* Filesystem is corrupted */ |
Eric Sandeen | ca23f8f | 2014-02-27 15:21:07 +1100 | [diff] [blame] | 182 | #define EFSBADCRC EBADMSG /* Bad CRC detected */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 183 | |
| 184 | #define SYNCHRONIZE() barrier() |
| 185 | #define __return_address __builtin_return_address(0) |
| 186 | |
Arkadiusz Mi?kiewicz | 6743099 | 2010-09-26 06:10:18 +0000 | [diff] [blame] | 187 | #define XFS_PROJID_DEFAULT 0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 188 | #define MAXPATHLEN 1024 |
| 189 | |
| 190 | #define MIN(a,b) (min(a,b)) |
| 191 | #define MAX(a,b) (max(a,b)) |
| 192 | #define howmany(x, y) (((x)+((y)-1))/(y)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 193 | |
Dwight Engen | c5eeb7e | 2013-08-15 14:07:58 -0400 | [diff] [blame] | 194 | /* Kernel uid/gid conversion. These are used to convert to/from the on disk |
| 195 | * uid_t/gid_t types to the kuid_t/kgid_t types that the kernel uses internally. |
| 196 | * The conversion here is type only, the value will remain the same since we |
| 197 | * are converting to the init_user_ns. The uid is later mapped to a particular |
| 198 | * user namespace value when crossing the kernel/user boundary. |
| 199 | */ |
| 200 | static inline __uint32_t xfs_kuid_to_uid(kuid_t uid) |
| 201 | { |
| 202 | return from_kuid(&init_user_ns, uid); |
| 203 | } |
| 204 | |
| 205 | static inline kuid_t xfs_uid_to_kuid(__uint32_t uid) |
| 206 | { |
| 207 | return make_kuid(&init_user_ns, uid); |
| 208 | } |
| 209 | |
| 210 | static inline __uint32_t xfs_kgid_to_gid(kgid_t gid) |
| 211 | { |
| 212 | return from_kgid(&init_user_ns, gid); |
| 213 | } |
| 214 | |
| 215 | static inline kgid_t xfs_gid_to_kgid(__uint32_t gid) |
| 216 | { |
| 217 | return make_kgid(&init_user_ns, gid); |
| 218 | } |
| 219 | |
Nathan Scott | cde410a | 2005-09-05 11:47:01 +1000 | [diff] [blame] | 220 | /* |
| 221 | * Various platform dependent calls that don't fit anywhere else |
| 222 | */ |
Nathan Scott | 380b5dc | 2005-11-02 11:43:18 +1100 | [diff] [blame] | 223 | #define xfs_sort(a,n,s,fn) sort(a,n,s,fn,NULL) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 224 | #define xfs_stack_trace() dump_stack() |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 225 | |
| 226 | |
| 227 | /* Move the kernel do_div definition off to one side */ |
| 228 | |
| 229 | #if defined __i386__ |
| 230 | /* For ia32 we need to pull some tricks to get past various versions |
| 231 | * of the compiler which do not like us using do_div in the middle |
| 232 | * of large functions. |
| 233 | */ |
| 234 | static inline __u32 xfs_do_div(void *a, __u32 b, int n) |
| 235 | { |
| 236 | __u32 mod; |
| 237 | |
| 238 | switch (n) { |
| 239 | case 4: |
| 240 | mod = *(__u32 *)a % b; |
| 241 | *(__u32 *)a = *(__u32 *)a / b; |
| 242 | return mod; |
| 243 | case 8: |
| 244 | { |
| 245 | unsigned long __upper, __low, __high, __mod; |
| 246 | __u64 c = *(__u64 *)a; |
| 247 | __upper = __high = c >> 32; |
| 248 | __low = c; |
| 249 | if (__high) { |
| 250 | __upper = __high % (b); |
| 251 | __high = __high / (b); |
| 252 | } |
| 253 | asm("divl %2":"=a" (__low), "=d" (__mod):"rm" (b), "0" (__low), "1" (__upper)); |
| 254 | asm("":"=A" (c):"a" (__low),"d" (__high)); |
| 255 | *(__u64 *)a = c; |
| 256 | return __mod; |
| 257 | } |
| 258 | } |
| 259 | |
| 260 | /* NOTREACHED */ |
| 261 | return 0; |
| 262 | } |
| 263 | |
| 264 | /* Side effect free 64 bit mod operation */ |
| 265 | static inline __u32 xfs_do_mod(void *a, __u32 b, int n) |
| 266 | { |
| 267 | switch (n) { |
| 268 | case 4: |
| 269 | return *(__u32 *)a % b; |
| 270 | case 8: |
| 271 | { |
| 272 | unsigned long __upper, __low, __high, __mod; |
| 273 | __u64 c = *(__u64 *)a; |
| 274 | __upper = __high = c >> 32; |
| 275 | __low = c; |
| 276 | if (__high) { |
| 277 | __upper = __high % (b); |
| 278 | __high = __high / (b); |
| 279 | } |
| 280 | asm("divl %2":"=a" (__low), "=d" (__mod):"rm" (b), "0" (__low), "1" (__upper)); |
| 281 | asm("":"=A" (c):"a" (__low),"d" (__high)); |
| 282 | return __mod; |
| 283 | } |
| 284 | } |
| 285 | |
| 286 | /* NOTREACHED */ |
| 287 | return 0; |
| 288 | } |
| 289 | #else |
| 290 | static inline __u32 xfs_do_div(void *a, __u32 b, int n) |
| 291 | { |
| 292 | __u32 mod; |
| 293 | |
| 294 | switch (n) { |
| 295 | case 4: |
| 296 | mod = *(__u32 *)a % b; |
| 297 | *(__u32 *)a = *(__u32 *)a / b; |
| 298 | return mod; |
| 299 | case 8: |
| 300 | mod = do_div(*(__u64 *)a, b); |
| 301 | return mod; |
| 302 | } |
| 303 | |
| 304 | /* NOTREACHED */ |
| 305 | return 0; |
| 306 | } |
| 307 | |
| 308 | /* Side effect free 64 bit mod operation */ |
| 309 | static inline __u32 xfs_do_mod(void *a, __u32 b, int n) |
| 310 | { |
| 311 | switch (n) { |
| 312 | case 4: |
| 313 | return *(__u32 *)a % b; |
| 314 | case 8: |
| 315 | { |
| 316 | __u64 c = *(__u64 *)a; |
| 317 | return do_div(c, b); |
| 318 | } |
| 319 | } |
| 320 | |
| 321 | /* NOTREACHED */ |
| 322 | return 0; |
| 323 | } |
| 324 | #endif |
| 325 | |
| 326 | #undef do_div |
| 327 | #define do_div(a, b) xfs_do_div(&(a), (b), sizeof(a)) |
| 328 | #define do_mod(a, b) xfs_do_mod(&(a), (b), sizeof(a)) |
| 329 | |
| 330 | static inline __uint64_t roundup_64(__uint64_t x, __uint32_t y) |
| 331 | { |
| 332 | x += y - 1; |
| 333 | do_div(x, y); |
| 334 | return(x * y); |
| 335 | } |
| 336 | |
Nathan Scott | 68c3271 | 2006-09-28 11:03:53 +1000 | [diff] [blame] | 337 | static inline __uint64_t howmany_64(__uint64_t x, __uint32_t y) |
| 338 | { |
| 339 | x += y - 1; |
| 340 | do_div(x, y); |
| 341 | return x; |
| 342 | } |
| 343 | |
Eric Sandeen | ae23a5e | 2008-06-23 13:23:32 +1000 | [diff] [blame] | 344 | /* ARM old ABI has some weird alignment/padding */ |
| 345 | #if defined(__arm__) && !defined(__ARM_EABI__) |
| 346 | #define __arch_pack __attribute__((packed)) |
| 347 | #else |
| 348 | #define __arch_pack |
| 349 | #endif |
| 350 | |
Dave Chinner | 9130090 | 2011-03-07 10:09:35 +1100 | [diff] [blame] | 351 | #define ASSERT_ALWAYS(expr) \ |
| 352 | (unlikely(expr) ? (void)0 : assfail(#expr, __FILE__, __LINE__)) |
| 353 | |
Dave Chinner | 742ae1e | 2013-04-30 21:39:34 +1000 | [diff] [blame] | 354 | #ifdef DEBUG |
Dave Chinner | 9130090 | 2011-03-07 10:09:35 +1100 | [diff] [blame] | 355 | #define ASSERT(expr) \ |
| 356 | (unlikely(expr) ? (void)0 : assfail(#expr, __FILE__, __LINE__)) |
| 357 | |
| 358 | #ifndef STATIC |
| 359 | # define STATIC noinline |
| 360 | #endif |
| 361 | |
Dave Chinner | 742ae1e | 2013-04-30 21:39:34 +1000 | [diff] [blame] | 362 | #else /* !DEBUG */ |
| 363 | |
| 364 | #ifdef XFS_WARN |
| 365 | |
| 366 | #define ASSERT(expr) \ |
| 367 | (unlikely(expr) ? (void)0 : asswarn(#expr, __FILE__, __LINE__)) |
| 368 | |
| 369 | #ifndef STATIC |
| 370 | # define STATIC static noinline |
| 371 | #endif |
| 372 | |
| 373 | #else /* !DEBUG && !XFS_WARN */ |
| 374 | |
| 375 | #define ASSERT(expr) ((void)0) |
| 376 | |
| 377 | #ifndef STATIC |
| 378 | # define STATIC static noinline |
| 379 | #endif |
| 380 | |
| 381 | #endif /* XFS_WARN */ |
Dave Chinner | 9130090 | 2011-03-07 10:09:35 +1100 | [diff] [blame] | 382 | #endif /* DEBUG */ |
| 383 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 384 | #endif /* __XFS_LINUX__ */ |