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) 2000-2002,2005 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 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 18 | #include "xfs.h" |
Nathan Scott | a844f45 | 2005-11-02 14:38:42 +1100 | [diff] [blame] | 19 | #include "xfs_fs.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 20 | #include "xfs_types.h" |
Nathan Scott | a844f45 | 2005-11-02 14:38:42 +1100 | [diff] [blame] | 21 | #include "xfs_bit.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | #include "xfs_log.h" |
Nathan Scott | a844f45 | 2005-11-02 14:38:42 +1100 | [diff] [blame] | 23 | #include "xfs_inum.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | #include "xfs_trans.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 25 | #include "xfs_sb.h" |
Nathan Scott | a844f45 | 2005-11-02 14:38:42 +1100 | [diff] [blame] | 26 | #include "xfs_ag.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | #include "xfs_mount.h" |
| 28 | #include "xfs_trans_priv.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 29 | #include "xfs_bmap_btree.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | #include "xfs_dinode.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | #include "xfs_inode.h" |
Nathan Scott | a844f45 | 2005-11-02 14:38:42 +1100 | [diff] [blame] | 32 | #include "xfs_inode_item.h" |
David Chinner | db7a19f | 2008-04-10 12:22:24 +1000 | [diff] [blame] | 33 | #include "xfs_error.h" |
Christoph Hellwig | 0b1b213 | 2009-12-14 23:14:59 +0000 | [diff] [blame] | 34 | #include "xfs_trace.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 35 | |
| 36 | |
| 37 | kmem_zone_t *xfs_ili_zone; /* inode log item zone */ |
| 38 | |
Christoph Hellwig | 7bfa31d | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 39 | static inline struct xfs_inode_log_item *INODE_ITEM(struct xfs_log_item *lip) |
| 40 | { |
| 41 | return container_of(lip, struct xfs_inode_log_item, ili_item); |
| 42 | } |
| 43 | |
| 44 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 45 | /* |
| 46 | * This returns the number of iovecs needed to log the given inode item. |
| 47 | * |
| 48 | * We need one iovec for the inode log format structure, one for the |
| 49 | * inode core, and possibly one for the inode data/extents/b-tree root |
| 50 | * and one for the inode attribute data/extents/b-tree root. |
| 51 | */ |
| 52 | STATIC uint |
| 53 | xfs_inode_item_size( |
Christoph Hellwig | 7bfa31d | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 54 | struct xfs_log_item *lip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 55 | { |
Christoph Hellwig | 7bfa31d | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 56 | struct xfs_inode_log_item *iip = INODE_ITEM(lip); |
| 57 | struct xfs_inode *ip = iip->ili_inode; |
| 58 | uint nvecs = 2; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 59 | |
| 60 | /* |
| 61 | * Only log the data/extents/b-tree root if there is something |
| 62 | * left to log. |
| 63 | */ |
| 64 | iip->ili_format.ilf_fields |= XFS_ILOG_CORE; |
| 65 | |
| 66 | switch (ip->i_d.di_format) { |
| 67 | case XFS_DINODE_FMT_EXTENTS: |
| 68 | iip->ili_format.ilf_fields &= |
| 69 | ~(XFS_ILOG_DDATA | XFS_ILOG_DBROOT | |
| 70 | XFS_ILOG_DEV | XFS_ILOG_UUID); |
| 71 | if ((iip->ili_format.ilf_fields & XFS_ILOG_DEXT) && |
| 72 | (ip->i_d.di_nextents > 0) && |
| 73 | (ip->i_df.if_bytes > 0)) { |
| 74 | ASSERT(ip->i_df.if_u1.if_extents != NULL); |
| 75 | nvecs++; |
| 76 | } else { |
| 77 | iip->ili_format.ilf_fields &= ~XFS_ILOG_DEXT; |
| 78 | } |
| 79 | break; |
| 80 | |
| 81 | case XFS_DINODE_FMT_BTREE: |
| 82 | ASSERT(ip->i_df.if_ext_max == |
| 83 | XFS_IFORK_DSIZE(ip) / (uint)sizeof(xfs_bmbt_rec_t)); |
| 84 | iip->ili_format.ilf_fields &= |
| 85 | ~(XFS_ILOG_DDATA | XFS_ILOG_DEXT | |
| 86 | XFS_ILOG_DEV | XFS_ILOG_UUID); |
| 87 | if ((iip->ili_format.ilf_fields & XFS_ILOG_DBROOT) && |
| 88 | (ip->i_df.if_broot_bytes > 0)) { |
| 89 | ASSERT(ip->i_df.if_broot != NULL); |
| 90 | nvecs++; |
| 91 | } else { |
| 92 | ASSERT(!(iip->ili_format.ilf_fields & |
| 93 | XFS_ILOG_DBROOT)); |
| 94 | #ifdef XFS_TRANS_DEBUG |
| 95 | if (iip->ili_root_size > 0) { |
| 96 | ASSERT(iip->ili_root_size == |
| 97 | ip->i_df.if_broot_bytes); |
| 98 | ASSERT(memcmp(iip->ili_orig_root, |
| 99 | ip->i_df.if_broot, |
| 100 | iip->ili_root_size) == 0); |
| 101 | } else { |
| 102 | ASSERT(ip->i_df.if_broot_bytes == 0); |
| 103 | } |
| 104 | #endif |
| 105 | iip->ili_format.ilf_fields &= ~XFS_ILOG_DBROOT; |
| 106 | } |
| 107 | break; |
| 108 | |
| 109 | case XFS_DINODE_FMT_LOCAL: |
| 110 | iip->ili_format.ilf_fields &= |
| 111 | ~(XFS_ILOG_DEXT | XFS_ILOG_DBROOT | |
| 112 | XFS_ILOG_DEV | XFS_ILOG_UUID); |
| 113 | if ((iip->ili_format.ilf_fields & XFS_ILOG_DDATA) && |
| 114 | (ip->i_df.if_bytes > 0)) { |
| 115 | ASSERT(ip->i_df.if_u1.if_data != NULL); |
| 116 | ASSERT(ip->i_d.di_size > 0); |
| 117 | nvecs++; |
| 118 | } else { |
| 119 | iip->ili_format.ilf_fields &= ~XFS_ILOG_DDATA; |
| 120 | } |
| 121 | break; |
| 122 | |
| 123 | case XFS_DINODE_FMT_DEV: |
| 124 | iip->ili_format.ilf_fields &= |
| 125 | ~(XFS_ILOG_DDATA | XFS_ILOG_DBROOT | |
| 126 | XFS_ILOG_DEXT | XFS_ILOG_UUID); |
| 127 | break; |
| 128 | |
| 129 | case XFS_DINODE_FMT_UUID: |
| 130 | iip->ili_format.ilf_fields &= |
| 131 | ~(XFS_ILOG_DDATA | XFS_ILOG_DBROOT | |
| 132 | XFS_ILOG_DEXT | XFS_ILOG_DEV); |
| 133 | break; |
| 134 | |
| 135 | default: |
| 136 | ASSERT(0); |
| 137 | break; |
| 138 | } |
| 139 | |
| 140 | /* |
| 141 | * If there are no attributes associated with this file, |
| 142 | * then there cannot be anything more to log. |
| 143 | * Clear all attribute-related log flags. |
| 144 | */ |
| 145 | if (!XFS_IFORK_Q(ip)) { |
| 146 | iip->ili_format.ilf_fields &= |
| 147 | ~(XFS_ILOG_ADATA | XFS_ILOG_ABROOT | XFS_ILOG_AEXT); |
| 148 | return nvecs; |
| 149 | } |
| 150 | |
| 151 | /* |
| 152 | * Log any necessary attribute data. |
| 153 | */ |
| 154 | switch (ip->i_d.di_aformat) { |
| 155 | case XFS_DINODE_FMT_EXTENTS: |
| 156 | iip->ili_format.ilf_fields &= |
| 157 | ~(XFS_ILOG_ADATA | XFS_ILOG_ABROOT); |
| 158 | if ((iip->ili_format.ilf_fields & XFS_ILOG_AEXT) && |
| 159 | (ip->i_d.di_anextents > 0) && |
| 160 | (ip->i_afp->if_bytes > 0)) { |
| 161 | ASSERT(ip->i_afp->if_u1.if_extents != NULL); |
| 162 | nvecs++; |
| 163 | } else { |
| 164 | iip->ili_format.ilf_fields &= ~XFS_ILOG_AEXT; |
| 165 | } |
| 166 | break; |
| 167 | |
| 168 | case XFS_DINODE_FMT_BTREE: |
| 169 | iip->ili_format.ilf_fields &= |
| 170 | ~(XFS_ILOG_ADATA | XFS_ILOG_AEXT); |
| 171 | if ((iip->ili_format.ilf_fields & XFS_ILOG_ABROOT) && |
| 172 | (ip->i_afp->if_broot_bytes > 0)) { |
| 173 | ASSERT(ip->i_afp->if_broot != NULL); |
| 174 | nvecs++; |
| 175 | } else { |
| 176 | iip->ili_format.ilf_fields &= ~XFS_ILOG_ABROOT; |
| 177 | } |
| 178 | break; |
| 179 | |
| 180 | case XFS_DINODE_FMT_LOCAL: |
| 181 | iip->ili_format.ilf_fields &= |
| 182 | ~(XFS_ILOG_AEXT | XFS_ILOG_ABROOT); |
| 183 | if ((iip->ili_format.ilf_fields & XFS_ILOG_ADATA) && |
| 184 | (ip->i_afp->if_bytes > 0)) { |
| 185 | ASSERT(ip->i_afp->if_u1.if_data != NULL); |
| 186 | nvecs++; |
| 187 | } else { |
| 188 | iip->ili_format.ilf_fields &= ~XFS_ILOG_ADATA; |
| 189 | } |
| 190 | break; |
| 191 | |
| 192 | default: |
| 193 | ASSERT(0); |
| 194 | break; |
| 195 | } |
| 196 | |
| 197 | return nvecs; |
| 198 | } |
| 199 | |
| 200 | /* |
| 201 | * This is called to fill in the vector of log iovecs for the |
| 202 | * given inode log item. It fills the first item with an inode |
| 203 | * log format structure, the second with the on-disk inode structure, |
| 204 | * and a possible third and/or fourth with the inode data/extents/b-tree |
| 205 | * root and inode attributes data/extents/b-tree root. |
| 206 | */ |
| 207 | STATIC void |
| 208 | xfs_inode_item_format( |
Christoph Hellwig | 7bfa31d | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 209 | struct xfs_log_item *lip, |
| 210 | struct xfs_log_iovec *vecp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 211 | { |
Christoph Hellwig | 7bfa31d | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 212 | struct xfs_inode_log_item *iip = INODE_ITEM(lip); |
| 213 | struct xfs_inode *ip = iip->ili_inode; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 214 | uint nvecs; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 215 | size_t data_bytes; |
| 216 | xfs_bmbt_rec_t *ext_buffer; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 217 | xfs_mount_t *mp; |
| 218 | |
Christoph Hellwig | 4e0d5f9 | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 219 | vecp->i_addr = &iip->ili_format; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 220 | vecp->i_len = sizeof(xfs_inode_log_format_t); |
Christoph Hellwig | 4139b3b | 2010-01-19 09:56:45 +0000 | [diff] [blame] | 221 | vecp->i_type = XLOG_REG_TYPE_IFORMAT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 222 | vecp++; |
| 223 | nvecs = 1; |
| 224 | |
| 225 | /* |
| 226 | * Clear i_update_core if the timestamps (or any other |
| 227 | * non-transactional modification) need flushing/logging |
| 228 | * and we're about to log them with the rest of the core. |
| 229 | * |
| 230 | * This is the same logic as xfs_iflush() but this code can't |
| 231 | * run at the same time as xfs_iflush because we're in commit |
| 232 | * processing here and so we have the inode lock held in |
| 233 | * exclusive mode. Although it doesn't really matter |
| 234 | * for the timestamps if both routines were to grab the |
| 235 | * timestamps or not. That would be ok. |
| 236 | * |
| 237 | * We clear i_update_core before copying out the data. |
| 238 | * This is for coordination with our timestamp updates |
| 239 | * that don't hold the inode lock. They will always |
| 240 | * update the timestamps BEFORE setting i_update_core, |
| 241 | * so if we clear i_update_core after they set it we |
| 242 | * are guaranteed to see their updates to the timestamps |
| 243 | * either here. Likewise, if they set it after we clear it |
| 244 | * here, we'll see it either on the next commit of this |
| 245 | * inode or the next time the inode gets flushed via |
| 246 | * xfs_iflush(). This depends on strongly ordered memory |
| 247 | * semantics, but we have that. We use the SYNCHRONIZE |
| 248 | * macro to make sure that the compiler does not reorder |
| 249 | * the i_update_core access below the data copy below. |
| 250 | */ |
| 251 | if (ip->i_update_core) { |
| 252 | ip->i_update_core = 0; |
| 253 | SYNCHRONIZE(); |
| 254 | } |
| 255 | |
| 256 | /* |
Christoph Hellwig | f9581b1 | 2009-10-06 20:29:26 +0000 | [diff] [blame] | 257 | * Make sure to get the latest timestamps from the Linux inode. |
Christoph Hellwig | 42fe2b1 | 2006-01-11 15:35:17 +1100 | [diff] [blame] | 258 | */ |
Christoph Hellwig | f9581b1 | 2009-10-06 20:29:26 +0000 | [diff] [blame] | 259 | xfs_synchronize_times(ip); |
David Chinner | 5d51eff | 2007-11-23 16:29:18 +1100 | [diff] [blame] | 260 | |
Christoph Hellwig | 4e0d5f9 | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 261 | vecp->i_addr = &ip->i_d; |
Christoph Hellwig | 81591fe | 2008-11-28 14:23:39 +1100 | [diff] [blame] | 262 | vecp->i_len = sizeof(struct xfs_icdinode); |
Christoph Hellwig | 4139b3b | 2010-01-19 09:56:45 +0000 | [diff] [blame] | 263 | vecp->i_type = XLOG_REG_TYPE_ICORE; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 264 | vecp++; |
| 265 | nvecs++; |
| 266 | iip->ili_format.ilf_fields |= XFS_ILOG_CORE; |
| 267 | |
| 268 | /* |
| 269 | * If this is really an old format inode, then we need to |
| 270 | * log it as such. This means that we have to copy the link |
| 271 | * count from the new field to the old. We don't have to worry |
| 272 | * about the new fields, because nothing trusts them as long as |
| 273 | * the old inode version number is there. If the superblock already |
| 274 | * has a new version number, then we don't bother converting back. |
| 275 | */ |
| 276 | mp = ip->i_mount; |
Christoph Hellwig | 51ce16d | 2008-11-28 14:23:39 +1100 | [diff] [blame] | 277 | ASSERT(ip->i_d.di_version == 1 || xfs_sb_version_hasnlink(&mp->m_sb)); |
| 278 | if (ip->i_d.di_version == 1) { |
Eric Sandeen | 6211870 | 2008-03-06 13:44:28 +1100 | [diff] [blame] | 279 | if (!xfs_sb_version_hasnlink(&mp->m_sb)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 280 | /* |
| 281 | * Convert it back. |
| 282 | */ |
| 283 | ASSERT(ip->i_d.di_nlink <= XFS_MAXLINK_1); |
| 284 | ip->i_d.di_onlink = ip->i_d.di_nlink; |
| 285 | } else { |
| 286 | /* |
| 287 | * The superblock version has already been bumped, |
| 288 | * so just make the conversion to the new inode |
| 289 | * format permanent. |
| 290 | */ |
Christoph Hellwig | 51ce16d | 2008-11-28 14:23:39 +1100 | [diff] [blame] | 291 | ip->i_d.di_version = 2; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 292 | ip->i_d.di_onlink = 0; |
| 293 | memset(&(ip->i_d.di_pad[0]), 0, sizeof(ip->i_d.di_pad)); |
| 294 | } |
| 295 | } |
| 296 | |
| 297 | switch (ip->i_d.di_format) { |
| 298 | case XFS_DINODE_FMT_EXTENTS: |
| 299 | ASSERT(!(iip->ili_format.ilf_fields & |
| 300 | (XFS_ILOG_DDATA | XFS_ILOG_DBROOT | |
| 301 | XFS_ILOG_DEV | XFS_ILOG_UUID))); |
| 302 | if (iip->ili_format.ilf_fields & XFS_ILOG_DEXT) { |
| 303 | ASSERT(ip->i_df.if_bytes > 0); |
| 304 | ASSERT(ip->i_df.if_u1.if_extents != NULL); |
| 305 | ASSERT(ip->i_d.di_nextents > 0); |
| 306 | ASSERT(iip->ili_extents_buf == NULL); |
Christoph Hellwig | 73523a2 | 2010-07-20 17:54:45 +1000 | [diff] [blame] | 307 | ASSERT((ip->i_df.if_bytes / |
| 308 | (uint)sizeof(xfs_bmbt_rec_t)) > 0); |
Nathan Scott | f016bad | 2005-09-08 15:30:05 +1000 | [diff] [blame] | 309 | #ifdef XFS_NATIVE_HOST |
Dave Chinner | 696123f | 2010-07-26 13:51:46 -0500 | [diff] [blame] | 310 | if (ip->i_d.di_nextents == ip->i_df.if_bytes / |
| 311 | (uint)sizeof(xfs_bmbt_rec_t)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 312 | /* |
| 313 | * There are no delayed allocation |
| 314 | * extents, so just point to the |
| 315 | * real extents array. |
| 316 | */ |
Christoph Hellwig | 4e0d5f9 | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 317 | vecp->i_addr = ip->i_df.if_u1.if_extents; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 318 | vecp->i_len = ip->i_df.if_bytes; |
Christoph Hellwig | 4139b3b | 2010-01-19 09:56:45 +0000 | [diff] [blame] | 319 | vecp->i_type = XLOG_REG_TYPE_IEXT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 320 | } else |
| 321 | #endif |
| 322 | { |
| 323 | /* |
| 324 | * There are delayed allocation extents |
| 325 | * in the inode, or we need to convert |
| 326 | * the extents to on disk format. |
| 327 | * Use xfs_iextents_copy() |
| 328 | * to copy only the real extents into |
| 329 | * a separate buffer. We'll free the |
| 330 | * buffer in the unlock routine. |
| 331 | */ |
| 332 | ext_buffer = kmem_alloc(ip->i_df.if_bytes, |
| 333 | KM_SLEEP); |
| 334 | iip->ili_extents_buf = ext_buffer; |
Christoph Hellwig | 4e0d5f9 | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 335 | vecp->i_addr = ext_buffer; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 336 | vecp->i_len = xfs_iextents_copy(ip, ext_buffer, |
| 337 | XFS_DATA_FORK); |
Christoph Hellwig | 4139b3b | 2010-01-19 09:56:45 +0000 | [diff] [blame] | 338 | vecp->i_type = XLOG_REG_TYPE_IEXT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 339 | } |
| 340 | ASSERT(vecp->i_len <= ip->i_df.if_bytes); |
| 341 | iip->ili_format.ilf_dsize = vecp->i_len; |
| 342 | vecp++; |
| 343 | nvecs++; |
| 344 | } |
| 345 | break; |
| 346 | |
| 347 | case XFS_DINODE_FMT_BTREE: |
| 348 | ASSERT(!(iip->ili_format.ilf_fields & |
| 349 | (XFS_ILOG_DDATA | XFS_ILOG_DEXT | |
| 350 | XFS_ILOG_DEV | XFS_ILOG_UUID))); |
| 351 | if (iip->ili_format.ilf_fields & XFS_ILOG_DBROOT) { |
| 352 | ASSERT(ip->i_df.if_broot_bytes > 0); |
| 353 | ASSERT(ip->i_df.if_broot != NULL); |
Christoph Hellwig | 4e0d5f9 | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 354 | vecp->i_addr = ip->i_df.if_broot; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 355 | vecp->i_len = ip->i_df.if_broot_bytes; |
Christoph Hellwig | 4139b3b | 2010-01-19 09:56:45 +0000 | [diff] [blame] | 356 | vecp->i_type = XLOG_REG_TYPE_IBROOT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 357 | vecp++; |
| 358 | nvecs++; |
| 359 | iip->ili_format.ilf_dsize = ip->i_df.if_broot_bytes; |
| 360 | } |
| 361 | break; |
| 362 | |
| 363 | case XFS_DINODE_FMT_LOCAL: |
| 364 | ASSERT(!(iip->ili_format.ilf_fields & |
| 365 | (XFS_ILOG_DBROOT | XFS_ILOG_DEXT | |
| 366 | XFS_ILOG_DEV | XFS_ILOG_UUID))); |
| 367 | if (iip->ili_format.ilf_fields & XFS_ILOG_DDATA) { |
| 368 | ASSERT(ip->i_df.if_bytes > 0); |
| 369 | ASSERT(ip->i_df.if_u1.if_data != NULL); |
| 370 | ASSERT(ip->i_d.di_size > 0); |
| 371 | |
Christoph Hellwig | 4e0d5f9 | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 372 | vecp->i_addr = ip->i_df.if_u1.if_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 373 | /* |
| 374 | * Round i_bytes up to a word boundary. |
| 375 | * The underlying memory is guaranteed to |
| 376 | * to be there by xfs_idata_realloc(). |
| 377 | */ |
| 378 | data_bytes = roundup(ip->i_df.if_bytes, 4); |
| 379 | ASSERT((ip->i_df.if_real_bytes == 0) || |
| 380 | (ip->i_df.if_real_bytes == data_bytes)); |
| 381 | vecp->i_len = (int)data_bytes; |
Christoph Hellwig | 4139b3b | 2010-01-19 09:56:45 +0000 | [diff] [blame] | 382 | vecp->i_type = XLOG_REG_TYPE_ILOCAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 383 | vecp++; |
| 384 | nvecs++; |
| 385 | iip->ili_format.ilf_dsize = (unsigned)data_bytes; |
| 386 | } |
| 387 | break; |
| 388 | |
| 389 | case XFS_DINODE_FMT_DEV: |
| 390 | ASSERT(!(iip->ili_format.ilf_fields & |
| 391 | (XFS_ILOG_DBROOT | XFS_ILOG_DEXT | |
| 392 | XFS_ILOG_DDATA | XFS_ILOG_UUID))); |
| 393 | if (iip->ili_format.ilf_fields & XFS_ILOG_DEV) { |
| 394 | iip->ili_format.ilf_u.ilfu_rdev = |
| 395 | ip->i_df.if_u2.if_rdev; |
| 396 | } |
| 397 | break; |
| 398 | |
| 399 | case XFS_DINODE_FMT_UUID: |
| 400 | ASSERT(!(iip->ili_format.ilf_fields & |
| 401 | (XFS_ILOG_DBROOT | XFS_ILOG_DEXT | |
| 402 | XFS_ILOG_DDATA | XFS_ILOG_DEV))); |
| 403 | if (iip->ili_format.ilf_fields & XFS_ILOG_UUID) { |
| 404 | iip->ili_format.ilf_u.ilfu_uuid = |
| 405 | ip->i_df.if_u2.if_uuid; |
| 406 | } |
| 407 | break; |
| 408 | |
| 409 | default: |
| 410 | ASSERT(0); |
| 411 | break; |
| 412 | } |
| 413 | |
| 414 | /* |
| 415 | * If there are no attributes associated with the file, |
| 416 | * then we're done. |
| 417 | * Assert that no attribute-related log flags are set. |
| 418 | */ |
| 419 | if (!XFS_IFORK_Q(ip)) { |
Christoph Hellwig | 7bfa31d | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 420 | ASSERT(nvecs == lip->li_desc->lid_size); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 421 | iip->ili_format.ilf_size = nvecs; |
| 422 | ASSERT(!(iip->ili_format.ilf_fields & |
| 423 | (XFS_ILOG_ADATA | XFS_ILOG_ABROOT | XFS_ILOG_AEXT))); |
| 424 | return; |
| 425 | } |
| 426 | |
| 427 | switch (ip->i_d.di_aformat) { |
| 428 | case XFS_DINODE_FMT_EXTENTS: |
| 429 | ASSERT(!(iip->ili_format.ilf_fields & |
| 430 | (XFS_ILOG_ADATA | XFS_ILOG_ABROOT))); |
| 431 | if (iip->ili_format.ilf_fields & XFS_ILOG_AEXT) { |
Christoph Hellwig | 73523a2 | 2010-07-20 17:54:45 +1000 | [diff] [blame] | 432 | #ifdef DEBUG |
| 433 | int nrecs = ip->i_afp->if_bytes / |
| 434 | (uint)sizeof(xfs_bmbt_rec_t); |
| 435 | ASSERT(nrecs > 0); |
| 436 | ASSERT(nrecs == ip->i_d.di_anextents); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 437 | ASSERT(ip->i_afp->if_bytes > 0); |
| 438 | ASSERT(ip->i_afp->if_u1.if_extents != NULL); |
| 439 | ASSERT(ip->i_d.di_anextents > 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 440 | #endif |
Nathan Scott | f016bad | 2005-09-08 15:30:05 +1000 | [diff] [blame] | 441 | #ifdef XFS_NATIVE_HOST |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 442 | /* |
| 443 | * There are not delayed allocation extents |
| 444 | * for attributes, so just point at the array. |
| 445 | */ |
Christoph Hellwig | 4e0d5f9 | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 446 | vecp->i_addr = ip->i_afp->if_u1.if_extents; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 447 | vecp->i_len = ip->i_afp->if_bytes; |
| 448 | #else |
| 449 | ASSERT(iip->ili_aextents_buf == NULL); |
| 450 | /* |
| 451 | * Need to endian flip before logging |
| 452 | */ |
| 453 | ext_buffer = kmem_alloc(ip->i_afp->if_bytes, |
| 454 | KM_SLEEP); |
| 455 | iip->ili_aextents_buf = ext_buffer; |
Christoph Hellwig | 4e0d5f9 | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 456 | vecp->i_addr = ext_buffer; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 457 | vecp->i_len = xfs_iextents_copy(ip, ext_buffer, |
| 458 | XFS_ATTR_FORK); |
| 459 | #endif |
Christoph Hellwig | 4139b3b | 2010-01-19 09:56:45 +0000 | [diff] [blame] | 460 | vecp->i_type = XLOG_REG_TYPE_IATTR_EXT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 461 | iip->ili_format.ilf_asize = vecp->i_len; |
| 462 | vecp++; |
| 463 | nvecs++; |
| 464 | } |
| 465 | break; |
| 466 | |
| 467 | case XFS_DINODE_FMT_BTREE: |
| 468 | ASSERT(!(iip->ili_format.ilf_fields & |
| 469 | (XFS_ILOG_ADATA | XFS_ILOG_AEXT))); |
| 470 | if (iip->ili_format.ilf_fields & XFS_ILOG_ABROOT) { |
| 471 | ASSERT(ip->i_afp->if_broot_bytes > 0); |
| 472 | ASSERT(ip->i_afp->if_broot != NULL); |
Christoph Hellwig | 4e0d5f9 | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 473 | vecp->i_addr = ip->i_afp->if_broot; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 474 | vecp->i_len = ip->i_afp->if_broot_bytes; |
Christoph Hellwig | 4139b3b | 2010-01-19 09:56:45 +0000 | [diff] [blame] | 475 | vecp->i_type = XLOG_REG_TYPE_IATTR_BROOT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 476 | vecp++; |
| 477 | nvecs++; |
| 478 | iip->ili_format.ilf_asize = ip->i_afp->if_broot_bytes; |
| 479 | } |
| 480 | break; |
| 481 | |
| 482 | case XFS_DINODE_FMT_LOCAL: |
| 483 | ASSERT(!(iip->ili_format.ilf_fields & |
| 484 | (XFS_ILOG_ABROOT | XFS_ILOG_AEXT))); |
| 485 | if (iip->ili_format.ilf_fields & XFS_ILOG_ADATA) { |
| 486 | ASSERT(ip->i_afp->if_bytes > 0); |
| 487 | ASSERT(ip->i_afp->if_u1.if_data != NULL); |
| 488 | |
Christoph Hellwig | 4e0d5f9 | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 489 | vecp->i_addr = ip->i_afp->if_u1.if_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 490 | /* |
| 491 | * Round i_bytes up to a word boundary. |
| 492 | * The underlying memory is guaranteed to |
| 493 | * to be there by xfs_idata_realloc(). |
| 494 | */ |
| 495 | data_bytes = roundup(ip->i_afp->if_bytes, 4); |
| 496 | ASSERT((ip->i_afp->if_real_bytes == 0) || |
| 497 | (ip->i_afp->if_real_bytes == data_bytes)); |
| 498 | vecp->i_len = (int)data_bytes; |
Christoph Hellwig | 4139b3b | 2010-01-19 09:56:45 +0000 | [diff] [blame] | 499 | vecp->i_type = XLOG_REG_TYPE_IATTR_LOCAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 500 | vecp++; |
| 501 | nvecs++; |
| 502 | iip->ili_format.ilf_asize = (unsigned)data_bytes; |
| 503 | } |
| 504 | break; |
| 505 | |
| 506 | default: |
| 507 | ASSERT(0); |
| 508 | break; |
| 509 | } |
| 510 | |
Christoph Hellwig | 7bfa31d | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 511 | ASSERT(nvecs == lip->li_desc->lid_size); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 512 | iip->ili_format.ilf_size = nvecs; |
| 513 | } |
| 514 | |
| 515 | |
| 516 | /* |
| 517 | * This is called to pin the inode associated with the inode log |
Christoph Hellwig | a14a5ab | 2010-02-18 12:43:22 +0000 | [diff] [blame] | 518 | * item in memory so it cannot be written out. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 519 | */ |
| 520 | STATIC void |
| 521 | xfs_inode_item_pin( |
Christoph Hellwig | 7bfa31d | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 522 | struct xfs_log_item *lip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 523 | { |
Christoph Hellwig | 7bfa31d | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 524 | struct xfs_inode *ip = INODE_ITEM(lip)->ili_inode; |
Christoph Hellwig | a14a5ab | 2010-02-18 12:43:22 +0000 | [diff] [blame] | 525 | |
Christoph Hellwig | 7bfa31d | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 526 | ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); |
| 527 | |
| 528 | trace_xfs_inode_pin(ip, _RET_IP_); |
| 529 | atomic_inc(&ip->i_pincount); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 530 | } |
| 531 | |
| 532 | |
| 533 | /* |
| 534 | * This is called to unpin the inode associated with the inode log |
| 535 | * item which was previously pinned with a call to xfs_inode_item_pin(). |
Christoph Hellwig | a14a5ab | 2010-02-18 12:43:22 +0000 | [diff] [blame] | 536 | * |
| 537 | * Also wake up anyone in xfs_iunpin_wait() if the count goes to 0. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 538 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 539 | STATIC void |
| 540 | xfs_inode_item_unpin( |
Christoph Hellwig | 7bfa31d | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 541 | struct xfs_log_item *lip, |
Christoph Hellwig | 9412e31 | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 542 | int remove) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 543 | { |
Christoph Hellwig | 7bfa31d | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 544 | struct xfs_inode *ip = INODE_ITEM(lip)->ili_inode; |
Christoph Hellwig | a14a5ab | 2010-02-18 12:43:22 +0000 | [diff] [blame] | 545 | |
Dave Chinner | 4aaf15d | 2010-03-08 11:24:07 +1100 | [diff] [blame] | 546 | trace_xfs_inode_unpin(ip, _RET_IP_); |
Christoph Hellwig | a14a5ab | 2010-02-18 12:43:22 +0000 | [diff] [blame] | 547 | ASSERT(atomic_read(&ip->i_pincount) > 0); |
| 548 | if (atomic_dec_and_test(&ip->i_pincount)) |
| 549 | wake_up(&ip->i_ipin_wait); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 550 | } |
| 551 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 552 | /* |
| 553 | * This is called to attempt to lock the inode associated with this |
| 554 | * inode log item, in preparation for the push routine which does the actual |
| 555 | * iflush. Don't sleep on the inode lock or the flush lock. |
| 556 | * |
| 557 | * If the flush lock is already held, indicating that the inode has |
| 558 | * been or is in the process of being flushed, then (ideally) we'd like to |
| 559 | * see if the inode's buffer is still incore, and if so give it a nudge. |
| 560 | * We delay doing so until the pushbuf routine, though, to avoid holding |
Nathan Scott | c41564b | 2006-03-29 08:55:14 +1000 | [diff] [blame] | 561 | * the AIL lock across a call to the blackhole which is the buffer cache. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 562 | * Also we don't want to sleep in any device strategy routines, which can happen |
| 563 | * if we do the subsequent bawrite in here. |
| 564 | */ |
| 565 | STATIC uint |
| 566 | xfs_inode_item_trylock( |
Christoph Hellwig | 7bfa31d | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 567 | struct xfs_log_item *lip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 568 | { |
Christoph Hellwig | 7bfa31d | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 569 | struct xfs_inode_log_item *iip = INODE_ITEM(lip); |
| 570 | struct xfs_inode *ip = iip->ili_inode; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 571 | |
Christoph Hellwig | 7bfa31d | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 572 | if (xfs_ipincount(ip) > 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 573 | return XFS_ITEM_PINNED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 574 | |
Christoph Hellwig | 7bfa31d | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 575 | if (!xfs_ilock_nowait(ip, XFS_ILOCK_SHARED)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 576 | return XFS_ITEM_LOCKED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 577 | |
| 578 | if (!xfs_iflock_nowait(ip)) { |
| 579 | /* |
Dave Chinner | d808f61 | 2010-02-02 10:13:42 +1100 | [diff] [blame] | 580 | * inode has already been flushed to the backing buffer, |
| 581 | * leave it locked in shared mode, pushbuf routine will |
| 582 | * unlock it. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 583 | */ |
Dave Chinner | d808f61 | 2010-02-02 10:13:42 +1100 | [diff] [blame] | 584 | return XFS_ITEM_PUSHBUF; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 585 | } |
| 586 | |
| 587 | /* Stale items should force out the iclog */ |
| 588 | if (ip->i_flags & XFS_ISTALE) { |
| 589 | xfs_ifunlock(ip); |
Dave Chinner | d808f61 | 2010-02-02 10:13:42 +1100 | [diff] [blame] | 590 | /* |
| 591 | * we hold the AIL lock - notify the unlock routine of this |
| 592 | * so it doesn't try to get the lock again. |
| 593 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 594 | xfs_iunlock(ip, XFS_ILOCK_SHARED|XFS_IUNLOCK_NONOTIFY); |
| 595 | return XFS_ITEM_PINNED; |
| 596 | } |
| 597 | |
| 598 | #ifdef DEBUG |
| 599 | if (!XFS_FORCED_SHUTDOWN(ip->i_mount)) { |
| 600 | ASSERT(iip->ili_format.ilf_fields != 0); |
| 601 | ASSERT(iip->ili_logged == 0); |
Christoph Hellwig | 7bfa31d | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 602 | ASSERT(lip->li_flags & XFS_LI_IN_AIL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 603 | } |
| 604 | #endif |
| 605 | return XFS_ITEM_SUCCESS; |
| 606 | } |
| 607 | |
| 608 | /* |
| 609 | * Unlock the inode associated with the inode log item. |
| 610 | * Clear the fields of the inode and inode log item that |
| 611 | * are specific to the current transaction. If the |
| 612 | * hold flags is set, do not unlock the inode. |
| 613 | */ |
| 614 | STATIC void |
| 615 | xfs_inode_item_unlock( |
Christoph Hellwig | 7bfa31d | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 616 | struct xfs_log_item *lip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 617 | { |
Christoph Hellwig | 7bfa31d | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 618 | struct xfs_inode_log_item *iip = INODE_ITEM(lip); |
| 619 | struct xfs_inode *ip = iip->ili_inode; |
Christoph Hellwig | 898621d | 2010-06-24 11:36:58 +1000 | [diff] [blame] | 620 | unsigned short lock_flags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 621 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 622 | ASSERT(iip->ili_inode->i_itemp != NULL); |
Christoph Hellwig | 579aa9c | 2008-04-22 17:34:00 +1000 | [diff] [blame] | 623 | ASSERT(xfs_isilocked(iip->ili_inode, XFS_ILOCK_EXCL)); |
Christoph Hellwig | 7bfa31d | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 624 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 625 | /* |
| 626 | * Clear the transaction pointer in the inode. |
| 627 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 628 | ip->i_transp = NULL; |
| 629 | |
| 630 | /* |
| 631 | * If the inode needed a separate buffer with which to log |
| 632 | * its extents, then free it now. |
| 633 | */ |
| 634 | if (iip->ili_extents_buf != NULL) { |
| 635 | ASSERT(ip->i_d.di_format == XFS_DINODE_FMT_EXTENTS); |
| 636 | ASSERT(ip->i_d.di_nextents > 0); |
| 637 | ASSERT(iip->ili_format.ilf_fields & XFS_ILOG_DEXT); |
| 638 | ASSERT(ip->i_df.if_bytes > 0); |
Denys Vlasenko | f0e2d93 | 2008-05-19 16:31:57 +1000 | [diff] [blame] | 639 | kmem_free(iip->ili_extents_buf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 640 | iip->ili_extents_buf = NULL; |
| 641 | } |
| 642 | if (iip->ili_aextents_buf != NULL) { |
| 643 | ASSERT(ip->i_d.di_aformat == XFS_DINODE_FMT_EXTENTS); |
| 644 | ASSERT(ip->i_d.di_anextents > 0); |
| 645 | ASSERT(iip->ili_format.ilf_fields & XFS_ILOG_AEXT); |
| 646 | ASSERT(ip->i_afp->if_bytes > 0); |
Denys Vlasenko | f0e2d93 | 2008-05-19 16:31:57 +1000 | [diff] [blame] | 647 | kmem_free(iip->ili_aextents_buf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 648 | iip->ili_aextents_buf = NULL; |
| 649 | } |
| 650 | |
Christoph Hellwig | 898621d | 2010-06-24 11:36:58 +1000 | [diff] [blame] | 651 | lock_flags = iip->ili_lock_flags; |
| 652 | iip->ili_lock_flags = 0; |
Christoph Hellwig | f2d6761 | 2010-06-24 11:52:50 +1000 | [diff] [blame] | 653 | if (lock_flags) { |
| 654 | xfs_iunlock(iip->ili_inode, lock_flags); |
| 655 | IRELE(iip->ili_inode); |
| 656 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 657 | } |
| 658 | |
| 659 | /* |
Dave Chinner | de25c18 | 2010-11-30 15:15:46 +1100 | [diff] [blame] | 660 | * This is called to find out where the oldest active copy of the inode log |
| 661 | * item in the on disk log resides now that the last log write of it completed |
| 662 | * at the given lsn. Since we always re-log all dirty data in an inode, the |
| 663 | * latest copy in the on disk log is the only one that matters. Therefore, |
| 664 | * simply return the given lsn. |
| 665 | * |
| 666 | * If the inode has been marked stale because the cluster is being freed, we |
| 667 | * don't want to (re-)insert this inode into the AIL. There is a race condition |
| 668 | * where the cluster buffer may be unpinned before the inode is inserted into |
| 669 | * the AIL during transaction committed processing. If the buffer is unpinned |
| 670 | * before the inode item has been committed and inserted, then it is possible |
| 671 | * for the buffer to be written and IO completions before the inode is inserted |
| 672 | * into the AIL. In that case, we'd be inserting a clean, stale inode into the |
| 673 | * AIL which will never get removed. It will, however, get reclaimed which |
| 674 | * triggers an assert in xfs_inode_free() complaining about freein an inode |
| 675 | * still in the AIL. |
| 676 | * |
| 677 | * To avoid this, return a lower LSN than the one passed in so that the |
| 678 | * transaction committed code will not move the inode forward in the AIL but |
| 679 | * will still unpin it properly. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 680 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 681 | STATIC xfs_lsn_t |
| 682 | xfs_inode_item_committed( |
Christoph Hellwig | 7bfa31d | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 683 | struct xfs_log_item *lip, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 684 | xfs_lsn_t lsn) |
| 685 | { |
Dave Chinner | de25c18 | 2010-11-30 15:15:46 +1100 | [diff] [blame] | 686 | struct xfs_inode_log_item *iip = INODE_ITEM(lip); |
| 687 | struct xfs_inode *ip = iip->ili_inode; |
| 688 | |
| 689 | if (xfs_iflags_test(ip, XFS_ISTALE)) |
| 690 | return lsn - 1; |
Christoph Hellwig | 7bfa31d | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 691 | return lsn; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 692 | } |
| 693 | |
| 694 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 695 | * This gets called by xfs_trans_push_ail(), when IOP_TRYLOCK |
| 696 | * failed to get the inode flush lock but did get the inode locked SHARED. |
| 697 | * Here we're trying to see if the inode buffer is incore, and if so whether it's |
Dave Chinner | d808f61 | 2010-02-02 10:13:42 +1100 | [diff] [blame] | 698 | * marked delayed write. If that's the case, we'll promote it and that will |
| 699 | * allow the caller to write the buffer by triggering the xfsbufd to run. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 700 | */ |
| 701 | STATIC void |
| 702 | xfs_inode_item_pushbuf( |
Christoph Hellwig | 7bfa31d | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 703 | struct xfs_log_item *lip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 704 | { |
Christoph Hellwig | 7bfa31d | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 705 | struct xfs_inode_log_item *iip = INODE_ITEM(lip); |
| 706 | struct xfs_inode *ip = iip->ili_inode; |
| 707 | struct xfs_buf *bp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 708 | |
Christoph Hellwig | 579aa9c | 2008-04-22 17:34:00 +1000 | [diff] [blame] | 709 | ASSERT(xfs_isilocked(ip, XFS_ILOCK_SHARED)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 710 | |
| 711 | /* |
David Chinner | c63942d | 2008-08-13 16:41:16 +1000 | [diff] [blame] | 712 | * If a flush is not in progress anymore, chances are that the |
| 713 | * inode was taken off the AIL. So, just get out. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 714 | */ |
David Chinner | c63942d | 2008-08-13 16:41:16 +1000 | [diff] [blame] | 715 | if (completion_done(&ip->i_flush) || |
Christoph Hellwig | 7bfa31d | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 716 | !(lip->li_flags & XFS_LI_IN_AIL)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 717 | xfs_iunlock(ip, XFS_ILOCK_SHARED); |
| 718 | return; |
| 719 | } |
| 720 | |
Christoph Hellwig | 7bfa31d | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 721 | bp = xfs_incore(ip->i_mount->m_ddev_targp, iip->ili_format.ilf_blkno, |
| 722 | iip->ili_format.ilf_len, XBF_TRYLOCK); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 723 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 724 | xfs_iunlock(ip, XFS_ILOCK_SHARED); |
Dave Chinner | d808f61 | 2010-02-02 10:13:42 +1100 | [diff] [blame] | 725 | if (!bp) |
| 726 | return; |
| 727 | if (XFS_BUF_ISDELAYWRITE(bp)) |
| 728 | xfs_buf_delwri_promote(bp); |
| 729 | xfs_buf_relse(bp); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 730 | } |
| 731 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 732 | /* |
| 733 | * This is called to asynchronously write the inode associated with this |
| 734 | * inode log item out to disk. The inode will already have been locked by |
| 735 | * a successful call to xfs_inode_item_trylock(). |
| 736 | */ |
| 737 | STATIC void |
| 738 | xfs_inode_item_push( |
Christoph Hellwig | 7bfa31d | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 739 | struct xfs_log_item *lip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 740 | { |
Christoph Hellwig | 7bfa31d | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 741 | struct xfs_inode_log_item *iip = INODE_ITEM(lip); |
| 742 | struct xfs_inode *ip = iip->ili_inode; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 743 | |
Christoph Hellwig | 579aa9c | 2008-04-22 17:34:00 +1000 | [diff] [blame] | 744 | ASSERT(xfs_isilocked(ip, XFS_ILOCK_SHARED)); |
David Chinner | c63942d | 2008-08-13 16:41:16 +1000 | [diff] [blame] | 745 | ASSERT(!completion_done(&ip->i_flush)); |
Christoph Hellwig | 7bfa31d | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 746 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 747 | /* |
| 748 | * Since we were able to lock the inode's flush lock and |
| 749 | * we found it on the AIL, the inode must be dirty. This |
| 750 | * is because the inode is removed from the AIL while still |
| 751 | * holding the flush lock in xfs_iflush_done(). Thus, if |
| 752 | * we found it in the AIL and were able to obtain the flush |
| 753 | * lock without sleeping, then there must not have been |
| 754 | * anyone in the process of flushing the inode. |
| 755 | */ |
| 756 | ASSERT(XFS_FORCED_SHUTDOWN(ip->i_mount) || |
| 757 | iip->ili_format.ilf_fields != 0); |
| 758 | |
| 759 | /* |
Dave Chinner | c854363 | 2010-02-06 12:39:36 +1100 | [diff] [blame] | 760 | * Push the inode to it's backing buffer. This will not remove the |
| 761 | * inode from the AIL - a further push will be required to trigger a |
| 762 | * buffer push. However, this allows all the dirty inodes to be pushed |
Dave Chinner | 1bfd8d0 | 2011-03-26 09:13:55 +1100 | [diff] [blame^] | 763 | * to the buffer before it is pushed to disk. The buffer IO completion |
| 764 | * will pull the inode from the AIL, mark it clean and unlock the flush |
Dave Chinner | c854363 | 2010-02-06 12:39:36 +1100 | [diff] [blame] | 765 | * lock. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 766 | */ |
Dave Chinner | 1bfd8d0 | 2011-03-26 09:13:55 +1100 | [diff] [blame^] | 767 | (void) xfs_iflush(ip, SYNC_TRYLOCK); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 768 | xfs_iunlock(ip, XFS_ILOCK_SHARED); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 769 | } |
| 770 | |
| 771 | /* |
| 772 | * XXX rcc - this one really has to do something. Probably needs |
| 773 | * to stamp in a new field in the incore inode. |
| 774 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 775 | STATIC void |
| 776 | xfs_inode_item_committing( |
Christoph Hellwig | 7bfa31d | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 777 | struct xfs_log_item *lip, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 778 | xfs_lsn_t lsn) |
| 779 | { |
Christoph Hellwig | 7bfa31d | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 780 | INODE_ITEM(lip)->ili_last_lsn = lsn; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 781 | } |
| 782 | |
| 783 | /* |
| 784 | * This is the ops vector shared by all buf log items. |
| 785 | */ |
David Chinner | 7989cb8 | 2007-02-10 18:34:56 +1100 | [diff] [blame] | 786 | static struct xfs_item_ops xfs_inode_item_ops = { |
Christoph Hellwig | 7bfa31d | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 787 | .iop_size = xfs_inode_item_size, |
| 788 | .iop_format = xfs_inode_item_format, |
| 789 | .iop_pin = xfs_inode_item_pin, |
| 790 | .iop_unpin = xfs_inode_item_unpin, |
| 791 | .iop_trylock = xfs_inode_item_trylock, |
| 792 | .iop_unlock = xfs_inode_item_unlock, |
| 793 | .iop_committed = xfs_inode_item_committed, |
| 794 | .iop_push = xfs_inode_item_push, |
| 795 | .iop_pushbuf = xfs_inode_item_pushbuf, |
| 796 | .iop_committing = xfs_inode_item_committing |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 797 | }; |
| 798 | |
| 799 | |
| 800 | /* |
| 801 | * Initialize the inode log item for a newly allocated (in-core) inode. |
| 802 | */ |
| 803 | void |
| 804 | xfs_inode_item_init( |
Christoph Hellwig | 7bfa31d | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 805 | struct xfs_inode *ip, |
| 806 | struct xfs_mount *mp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 807 | { |
Christoph Hellwig | 7bfa31d | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 808 | struct xfs_inode_log_item *iip; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 809 | |
| 810 | ASSERT(ip->i_itemp == NULL); |
| 811 | iip = ip->i_itemp = kmem_zone_zalloc(xfs_ili_zone, KM_SLEEP); |
| 812 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 813 | iip->ili_inode = ip; |
Dave Chinner | 43f5efc | 2010-03-23 10:10:00 +1100 | [diff] [blame] | 814 | xfs_log_item_init(mp, &iip->ili_item, XFS_LI_INODE, |
| 815 | &xfs_inode_item_ops); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 816 | iip->ili_format.ilf_type = XFS_LI_INODE; |
| 817 | iip->ili_format.ilf_ino = ip->i_ino; |
Christoph Hellwig | 92bfc6e | 2008-11-28 14:23:41 +1100 | [diff] [blame] | 818 | iip->ili_format.ilf_blkno = ip->i_imap.im_blkno; |
| 819 | iip->ili_format.ilf_len = ip->i_imap.im_len; |
| 820 | iip->ili_format.ilf_boffset = ip->i_imap.im_boffset; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 821 | } |
| 822 | |
| 823 | /* |
| 824 | * Free the inode log item and any memory hanging off of it. |
| 825 | */ |
| 826 | void |
| 827 | xfs_inode_item_destroy( |
| 828 | xfs_inode_t *ip) |
| 829 | { |
| 830 | #ifdef XFS_TRANS_DEBUG |
| 831 | if (ip->i_itemp->ili_root_size != 0) { |
Denys Vlasenko | f0e2d93 | 2008-05-19 16:31:57 +1000 | [diff] [blame] | 832 | kmem_free(ip->i_itemp->ili_orig_root); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 833 | } |
| 834 | #endif |
| 835 | kmem_zone_free(xfs_ili_zone, ip->i_itemp); |
| 836 | } |
| 837 | |
| 838 | |
| 839 | /* |
| 840 | * This is the inode flushing I/O completion routine. It is called |
| 841 | * from interrupt level when the buffer containing the inode is |
| 842 | * flushed to disk. It is responsible for removing the inode item |
| 843 | * from the AIL if it has not been re-logged, and unlocking the inode's |
| 844 | * flush lock. |
Dave Chinner | 3013683 | 2010-12-20 12:03:17 +1100 | [diff] [blame] | 845 | * |
| 846 | * To reduce AIL lock traffic as much as possible, we scan the buffer log item |
| 847 | * list for other inodes that will run this function. We remove them from the |
| 848 | * buffer list so we can process all the inode IO completions in one AIL lock |
| 849 | * traversal. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 850 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 851 | void |
| 852 | xfs_iflush_done( |
Christoph Hellwig | ca30b2a | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 853 | struct xfs_buf *bp, |
| 854 | struct xfs_log_item *lip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 855 | { |
Dave Chinner | 3013683 | 2010-12-20 12:03:17 +1100 | [diff] [blame] | 856 | struct xfs_inode_log_item *iip; |
| 857 | struct xfs_log_item *blip; |
| 858 | struct xfs_log_item *next; |
| 859 | struct xfs_log_item *prev; |
Christoph Hellwig | ca30b2a | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 860 | struct xfs_ail *ailp = lip->li_ailp; |
Dave Chinner | 3013683 | 2010-12-20 12:03:17 +1100 | [diff] [blame] | 861 | int need_ail = 0; |
| 862 | |
| 863 | /* |
| 864 | * Scan the buffer IO completions for other inodes being completed and |
| 865 | * attach them to the current inode log item. |
| 866 | */ |
| 867 | blip = XFS_BUF_FSPRIVATE(bp, xfs_log_item_t *); |
| 868 | prev = NULL; |
| 869 | while (blip != NULL) { |
| 870 | if (lip->li_cb != xfs_iflush_done) { |
| 871 | prev = blip; |
| 872 | blip = blip->li_bio_list; |
| 873 | continue; |
| 874 | } |
| 875 | |
| 876 | /* remove from list */ |
| 877 | next = blip->li_bio_list; |
| 878 | if (!prev) { |
| 879 | XFS_BUF_SET_FSPRIVATE(bp, next); |
| 880 | } else { |
| 881 | prev->li_bio_list = next; |
| 882 | } |
| 883 | |
| 884 | /* add to current list */ |
| 885 | blip->li_bio_list = lip->li_bio_list; |
| 886 | lip->li_bio_list = blip; |
| 887 | |
| 888 | /* |
| 889 | * while we have the item, do the unlocked check for needing |
| 890 | * the AIL lock. |
| 891 | */ |
| 892 | iip = INODE_ITEM(blip); |
| 893 | if (iip->ili_logged && blip->li_lsn == iip->ili_flush_lsn) |
| 894 | need_ail++; |
| 895 | |
| 896 | blip = next; |
| 897 | } |
| 898 | |
| 899 | /* make sure we capture the state of the initial inode. */ |
| 900 | iip = INODE_ITEM(lip); |
| 901 | if (iip->ili_logged && lip->li_lsn == iip->ili_flush_lsn) |
| 902 | need_ail++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 903 | |
| 904 | /* |
| 905 | * We only want to pull the item from the AIL if it is |
| 906 | * actually there and its location in the log has not |
| 907 | * changed since we started the flush. Thus, we only bother |
| 908 | * if the ili_logged flag is set and the inode's lsn has not |
| 909 | * changed. First we check the lsn outside |
| 910 | * the lock since it's cheaper, and then we recheck while |
| 911 | * holding the lock before removing the inode from the AIL. |
| 912 | */ |
Dave Chinner | 3013683 | 2010-12-20 12:03:17 +1100 | [diff] [blame] | 913 | if (need_ail) { |
| 914 | struct xfs_log_item *log_items[need_ail]; |
| 915 | int i = 0; |
David Chinner | 783a2f6 | 2008-10-30 17:39:58 +1100 | [diff] [blame] | 916 | spin_lock(&ailp->xa_lock); |
Dave Chinner | 3013683 | 2010-12-20 12:03:17 +1100 | [diff] [blame] | 917 | for (blip = lip; blip; blip = blip->li_bio_list) { |
| 918 | iip = INODE_ITEM(blip); |
| 919 | if (iip->ili_logged && |
| 920 | blip->li_lsn == iip->ili_flush_lsn) { |
| 921 | log_items[i++] = blip; |
| 922 | } |
| 923 | ASSERT(i <= need_ail); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 924 | } |
Dave Chinner | 3013683 | 2010-12-20 12:03:17 +1100 | [diff] [blame] | 925 | /* xfs_trans_ail_delete_bulk() drops the AIL lock. */ |
| 926 | xfs_trans_ail_delete_bulk(ailp, log_items, i); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 927 | } |
| 928 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 929 | |
| 930 | /* |
Dave Chinner | 3013683 | 2010-12-20 12:03:17 +1100 | [diff] [blame] | 931 | * clean up and unlock the flush lock now we are done. We can clear the |
| 932 | * ili_last_fields bits now that we know that the data corresponding to |
| 933 | * them is safely on disk. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 934 | */ |
Dave Chinner | 3013683 | 2010-12-20 12:03:17 +1100 | [diff] [blame] | 935 | for (blip = lip; blip; blip = next) { |
| 936 | next = blip->li_bio_list; |
| 937 | blip->li_bio_list = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 938 | |
Dave Chinner | 3013683 | 2010-12-20 12:03:17 +1100 | [diff] [blame] | 939 | iip = INODE_ITEM(blip); |
| 940 | iip->ili_logged = 0; |
| 941 | iip->ili_last_fields = 0; |
| 942 | xfs_ifunlock(iip->ili_inode); |
| 943 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 944 | } |
| 945 | |
| 946 | /* |
| 947 | * This is the inode flushing abort routine. It is called |
| 948 | * from xfs_iflush when the filesystem is shutting down to clean |
| 949 | * up the inode state. |
| 950 | * It is responsible for removing the inode item |
| 951 | * from the AIL if it has not been re-logged, and unlocking the inode's |
| 952 | * flush lock. |
| 953 | */ |
| 954 | void |
| 955 | xfs_iflush_abort( |
| 956 | xfs_inode_t *ip) |
| 957 | { |
David Chinner | 783a2f6 | 2008-10-30 17:39:58 +1100 | [diff] [blame] | 958 | xfs_inode_log_item_t *iip = ip->i_itemp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 959 | |
| 960 | iip = ip->i_itemp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 961 | if (iip) { |
David Chinner | 783a2f6 | 2008-10-30 17:39:58 +1100 | [diff] [blame] | 962 | struct xfs_ail *ailp = iip->ili_item.li_ailp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 963 | if (iip->ili_item.li_flags & XFS_LI_IN_AIL) { |
David Chinner | 783a2f6 | 2008-10-30 17:39:58 +1100 | [diff] [blame] | 964 | spin_lock(&ailp->xa_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 965 | if (iip->ili_item.li_flags & XFS_LI_IN_AIL) { |
David Chinner | 783a2f6 | 2008-10-30 17:39:58 +1100 | [diff] [blame] | 966 | /* xfs_trans_ail_delete() drops the AIL lock. */ |
| 967 | xfs_trans_ail_delete(ailp, (xfs_log_item_t *)iip); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 968 | } else |
David Chinner | 783a2f6 | 2008-10-30 17:39:58 +1100 | [diff] [blame] | 969 | spin_unlock(&ailp->xa_lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 970 | } |
| 971 | iip->ili_logged = 0; |
| 972 | /* |
| 973 | * Clear the ili_last_fields bits now that we know that the |
| 974 | * data corresponding to them is safely on disk. |
| 975 | */ |
| 976 | iip->ili_last_fields = 0; |
| 977 | /* |
| 978 | * Clear the inode logging fields so no more flushes are |
| 979 | * attempted. |
| 980 | */ |
| 981 | iip->ili_format.ilf_fields = 0; |
| 982 | } |
| 983 | /* |
| 984 | * Release the inode's flush lock since we're done with it. |
| 985 | */ |
| 986 | xfs_ifunlock(ip); |
| 987 | } |
| 988 | |
| 989 | void |
| 990 | xfs_istale_done( |
Christoph Hellwig | ca30b2a | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 991 | struct xfs_buf *bp, |
| 992 | struct xfs_log_item *lip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 993 | { |
Christoph Hellwig | ca30b2a | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 994 | xfs_iflush_abort(INODE_ITEM(lip)->ili_inode); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 995 | } |
Tim Shimmin | 6d192a9 | 2006-06-09 14:55:38 +1000 | [diff] [blame] | 996 | |
| 997 | /* |
| 998 | * convert an xfs_inode_log_format struct from either 32 or 64 bit versions |
| 999 | * (which can have different field alignments) to the native version |
| 1000 | */ |
| 1001 | int |
| 1002 | xfs_inode_item_format_convert( |
| 1003 | xfs_log_iovec_t *buf, |
| 1004 | xfs_inode_log_format_t *in_f) |
| 1005 | { |
| 1006 | if (buf->i_len == sizeof(xfs_inode_log_format_32_t)) { |
Christoph Hellwig | 4e0d5f9 | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 1007 | xfs_inode_log_format_32_t *in_f32 = buf->i_addr; |
Tim Shimmin | 6d192a9 | 2006-06-09 14:55:38 +1000 | [diff] [blame] | 1008 | |
Tim Shimmin | 6d192a9 | 2006-06-09 14:55:38 +1000 | [diff] [blame] | 1009 | in_f->ilf_type = in_f32->ilf_type; |
| 1010 | in_f->ilf_size = in_f32->ilf_size; |
| 1011 | in_f->ilf_fields = in_f32->ilf_fields; |
| 1012 | in_f->ilf_asize = in_f32->ilf_asize; |
| 1013 | in_f->ilf_dsize = in_f32->ilf_dsize; |
| 1014 | in_f->ilf_ino = in_f32->ilf_ino; |
| 1015 | /* copy biggest field of ilf_u */ |
| 1016 | memcpy(in_f->ilf_u.ilfu_uuid.__u_bits, |
| 1017 | in_f32->ilf_u.ilfu_uuid.__u_bits, |
| 1018 | sizeof(uuid_t)); |
| 1019 | in_f->ilf_blkno = in_f32->ilf_blkno; |
| 1020 | in_f->ilf_len = in_f32->ilf_len; |
| 1021 | in_f->ilf_boffset = in_f32->ilf_boffset; |
| 1022 | return 0; |
| 1023 | } else if (buf->i_len == sizeof(xfs_inode_log_format_64_t)){ |
Christoph Hellwig | 4e0d5f9 | 2010-06-23 18:11:15 +1000 | [diff] [blame] | 1024 | xfs_inode_log_format_64_t *in_f64 = buf->i_addr; |
Tim Shimmin | 6d192a9 | 2006-06-09 14:55:38 +1000 | [diff] [blame] | 1025 | |
Tim Shimmin | 6d192a9 | 2006-06-09 14:55:38 +1000 | [diff] [blame] | 1026 | in_f->ilf_type = in_f64->ilf_type; |
| 1027 | in_f->ilf_size = in_f64->ilf_size; |
| 1028 | in_f->ilf_fields = in_f64->ilf_fields; |
| 1029 | in_f->ilf_asize = in_f64->ilf_asize; |
| 1030 | in_f->ilf_dsize = in_f64->ilf_dsize; |
| 1031 | in_f->ilf_ino = in_f64->ilf_ino; |
| 1032 | /* copy biggest field of ilf_u */ |
| 1033 | memcpy(in_f->ilf_u.ilfu_uuid.__u_bits, |
| 1034 | in_f64->ilf_u.ilfu_uuid.__u_bits, |
| 1035 | sizeof(uuid_t)); |
| 1036 | in_f->ilf_blkno = in_f64->ilf_blkno; |
| 1037 | in_f->ilf_len = in_f64->ilf_len; |
| 1038 | in_f->ilf_boffset = in_f64->ilf_boffset; |
| 1039 | return 0; |
| 1040 | } |
| 1041 | return EFSCORRUPTED; |
| 1042 | } |