Commit | Line | Data |
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1da177e4 | 1 | /* |
7b718769 NS |
2 | * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc. |
3 | * All Rights Reserved. | |
1da177e4 | 4 | * |
7b718769 NS |
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 | |
1da177e4 LT |
7 | * published by the Free Software Foundation. |
8 | * | |
7b718769 NS |
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. | |
1da177e4 | 13 | * |
7b718769 NS |
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 | |
1da177e4 | 17 | */ |
1da177e4 | 18 | #include "xfs.h" |
a844f451 | 19 | #include "xfs_fs.h" |
1da177e4 | 20 | #include "xfs_types.h" |
a844f451 | 21 | #include "xfs_bit.h" |
1da177e4 | 22 | #include "xfs_log.h" |
a844f451 | 23 | #include "xfs_inum.h" |
1da177e4 | 24 | #include "xfs_trans.h" |
1da177e4 | 25 | #include "xfs_sb.h" |
a844f451 | 26 | #include "xfs_ag.h" |
1da177e4 LT |
27 | #include "xfs_mount.h" |
28 | #include "xfs_trans_priv.h" | |
1da177e4 | 29 | #include "xfs_bmap_btree.h" |
1da177e4 | 30 | #include "xfs_dinode.h" |
1da177e4 | 31 | #include "xfs_inode.h" |
a844f451 | 32 | #include "xfs_inode_item.h" |
db7a19f2 | 33 | #include "xfs_error.h" |
0b1b213f | 34 | #include "xfs_trace.h" |
1da177e4 LT |
35 | |
36 | ||
37 | kmem_zone_t *xfs_ili_zone; /* inode log item zone */ | |
38 | ||
7bfa31d8 CH |
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 | ||
1da177e4 LT |
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( | |
7bfa31d8 | 54 | struct xfs_log_item *lip) |
1da177e4 | 55 | { |
7bfa31d8 CH |
56 | struct xfs_inode_log_item *iip = INODE_ITEM(lip); |
57 | struct xfs_inode *ip = iip->ili_inode; | |
58 | uint nvecs = 2; | |
1da177e4 LT |
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: | |
1da177e4 LT |
82 | iip->ili_format.ilf_fields &= |
83 | ~(XFS_ILOG_DDATA | XFS_ILOG_DEXT | | |
84 | XFS_ILOG_DEV | XFS_ILOG_UUID); | |
85 | if ((iip->ili_format.ilf_fields & XFS_ILOG_DBROOT) && | |
86 | (ip->i_df.if_broot_bytes > 0)) { | |
87 | ASSERT(ip->i_df.if_broot != NULL); | |
88 | nvecs++; | |
89 | } else { | |
90 | ASSERT(!(iip->ili_format.ilf_fields & | |
91 | XFS_ILOG_DBROOT)); | |
92 | #ifdef XFS_TRANS_DEBUG | |
93 | if (iip->ili_root_size > 0) { | |
94 | ASSERT(iip->ili_root_size == | |
95 | ip->i_df.if_broot_bytes); | |
96 | ASSERT(memcmp(iip->ili_orig_root, | |
97 | ip->i_df.if_broot, | |
98 | iip->ili_root_size) == 0); | |
99 | } else { | |
100 | ASSERT(ip->i_df.if_broot_bytes == 0); | |
101 | } | |
102 | #endif | |
103 | iip->ili_format.ilf_fields &= ~XFS_ILOG_DBROOT; | |
104 | } | |
105 | break; | |
106 | ||
107 | case XFS_DINODE_FMT_LOCAL: | |
108 | iip->ili_format.ilf_fields &= | |
109 | ~(XFS_ILOG_DEXT | XFS_ILOG_DBROOT | | |
110 | XFS_ILOG_DEV | XFS_ILOG_UUID); | |
111 | if ((iip->ili_format.ilf_fields & XFS_ILOG_DDATA) && | |
112 | (ip->i_df.if_bytes > 0)) { | |
113 | ASSERT(ip->i_df.if_u1.if_data != NULL); | |
114 | ASSERT(ip->i_d.di_size > 0); | |
115 | nvecs++; | |
116 | } else { | |
117 | iip->ili_format.ilf_fields &= ~XFS_ILOG_DDATA; | |
118 | } | |
119 | break; | |
120 | ||
121 | case XFS_DINODE_FMT_DEV: | |
122 | iip->ili_format.ilf_fields &= | |
123 | ~(XFS_ILOG_DDATA | XFS_ILOG_DBROOT | | |
124 | XFS_ILOG_DEXT | XFS_ILOG_UUID); | |
125 | break; | |
126 | ||
127 | case XFS_DINODE_FMT_UUID: | |
128 | iip->ili_format.ilf_fields &= | |
129 | ~(XFS_ILOG_DDATA | XFS_ILOG_DBROOT | | |
130 | XFS_ILOG_DEXT | XFS_ILOG_DEV); | |
131 | break; | |
132 | ||
133 | default: | |
134 | ASSERT(0); | |
135 | break; | |
136 | } | |
137 | ||
138 | /* | |
139 | * If there are no attributes associated with this file, | |
140 | * then there cannot be anything more to log. | |
141 | * Clear all attribute-related log flags. | |
142 | */ | |
143 | if (!XFS_IFORK_Q(ip)) { | |
144 | iip->ili_format.ilf_fields &= | |
145 | ~(XFS_ILOG_ADATA | XFS_ILOG_ABROOT | XFS_ILOG_AEXT); | |
146 | return nvecs; | |
147 | } | |
148 | ||
149 | /* | |
150 | * Log any necessary attribute data. | |
151 | */ | |
152 | switch (ip->i_d.di_aformat) { | |
153 | case XFS_DINODE_FMT_EXTENTS: | |
154 | iip->ili_format.ilf_fields &= | |
155 | ~(XFS_ILOG_ADATA | XFS_ILOG_ABROOT); | |
156 | if ((iip->ili_format.ilf_fields & XFS_ILOG_AEXT) && | |
157 | (ip->i_d.di_anextents > 0) && | |
158 | (ip->i_afp->if_bytes > 0)) { | |
159 | ASSERT(ip->i_afp->if_u1.if_extents != NULL); | |
160 | nvecs++; | |
161 | } else { | |
162 | iip->ili_format.ilf_fields &= ~XFS_ILOG_AEXT; | |
163 | } | |
164 | break; | |
165 | ||
166 | case XFS_DINODE_FMT_BTREE: | |
167 | iip->ili_format.ilf_fields &= | |
168 | ~(XFS_ILOG_ADATA | XFS_ILOG_AEXT); | |
169 | if ((iip->ili_format.ilf_fields & XFS_ILOG_ABROOT) && | |
170 | (ip->i_afp->if_broot_bytes > 0)) { | |
171 | ASSERT(ip->i_afp->if_broot != NULL); | |
172 | nvecs++; | |
173 | } else { | |
174 | iip->ili_format.ilf_fields &= ~XFS_ILOG_ABROOT; | |
175 | } | |
176 | break; | |
177 | ||
178 | case XFS_DINODE_FMT_LOCAL: | |
179 | iip->ili_format.ilf_fields &= | |
180 | ~(XFS_ILOG_AEXT | XFS_ILOG_ABROOT); | |
181 | if ((iip->ili_format.ilf_fields & XFS_ILOG_ADATA) && | |
182 | (ip->i_afp->if_bytes > 0)) { | |
183 | ASSERT(ip->i_afp->if_u1.if_data != NULL); | |
184 | nvecs++; | |
185 | } else { | |
186 | iip->ili_format.ilf_fields &= ~XFS_ILOG_ADATA; | |
187 | } | |
188 | break; | |
189 | ||
190 | default: | |
191 | ASSERT(0); | |
192 | break; | |
193 | } | |
194 | ||
195 | return nvecs; | |
196 | } | |
197 | ||
e828776a DC |
198 | /* |
199 | * xfs_inode_item_format_extents - convert in-core extents to on-disk form | |
200 | * | |
201 | * For either the data or attr fork in extent format, we need to endian convert | |
202 | * the in-core extent as we place them into the on-disk inode. In this case, we | |
203 | * need to do this conversion before we write the extents into the log. Because | |
204 | * we don't have the disk inode to write into here, we allocate a buffer and | |
205 | * format the extents into it via xfs_iextents_copy(). We free the buffer in | |
206 | * the unlock routine after the copy for the log has been made. | |
207 | * | |
208 | * In the case of the data fork, the in-core and on-disk fork sizes can be | |
209 | * different due to delayed allocation extents. We only log on-disk extents | |
210 | * here, so always use the physical fork size to determine the size of the | |
211 | * buffer we need to allocate. | |
212 | */ | |
213 | STATIC void | |
214 | xfs_inode_item_format_extents( | |
215 | struct xfs_inode *ip, | |
216 | struct xfs_log_iovec *vecp, | |
217 | int whichfork, | |
218 | int type) | |
219 | { | |
220 | xfs_bmbt_rec_t *ext_buffer; | |
221 | ||
222 | ext_buffer = kmem_alloc(XFS_IFORK_SIZE(ip, whichfork), KM_SLEEP); | |
223 | if (whichfork == XFS_DATA_FORK) | |
224 | ip->i_itemp->ili_extents_buf = ext_buffer; | |
225 | else | |
226 | ip->i_itemp->ili_aextents_buf = ext_buffer; | |
227 | ||
228 | vecp->i_addr = ext_buffer; | |
229 | vecp->i_len = xfs_iextents_copy(ip, ext_buffer, whichfork); | |
230 | vecp->i_type = type; | |
231 | } | |
232 | ||
1da177e4 LT |
233 | /* |
234 | * This is called to fill in the vector of log iovecs for the | |
235 | * given inode log item. It fills the first item with an inode | |
236 | * log format structure, the second with the on-disk inode structure, | |
237 | * and a possible third and/or fourth with the inode data/extents/b-tree | |
238 | * root and inode attributes data/extents/b-tree root. | |
239 | */ | |
240 | STATIC void | |
241 | xfs_inode_item_format( | |
7bfa31d8 CH |
242 | struct xfs_log_item *lip, |
243 | struct xfs_log_iovec *vecp) | |
1da177e4 | 244 | { |
7bfa31d8 CH |
245 | struct xfs_inode_log_item *iip = INODE_ITEM(lip); |
246 | struct xfs_inode *ip = iip->ili_inode; | |
1da177e4 | 247 | uint nvecs; |
1da177e4 | 248 | size_t data_bytes; |
1da177e4 LT |
249 | xfs_mount_t *mp; |
250 | ||
4e0d5f92 | 251 | vecp->i_addr = &iip->ili_format; |
1da177e4 | 252 | vecp->i_len = sizeof(xfs_inode_log_format_t); |
4139b3b3 | 253 | vecp->i_type = XLOG_REG_TYPE_IFORMAT; |
1da177e4 LT |
254 | vecp++; |
255 | nvecs = 1; | |
256 | ||
4e0d5f92 | 257 | vecp->i_addr = &ip->i_d; |
81591fe2 | 258 | vecp->i_len = sizeof(struct xfs_icdinode); |
4139b3b3 | 259 | vecp->i_type = XLOG_REG_TYPE_ICORE; |
1da177e4 LT |
260 | vecp++; |
261 | nvecs++; | |
262 | iip->ili_format.ilf_fields |= XFS_ILOG_CORE; | |
263 | ||
264 | /* | |
265 | * If this is really an old format inode, then we need to | |
266 | * log it as such. This means that we have to copy the link | |
267 | * count from the new field to the old. We don't have to worry | |
268 | * about the new fields, because nothing trusts them as long as | |
269 | * the old inode version number is there. If the superblock already | |
270 | * has a new version number, then we don't bother converting back. | |
271 | */ | |
272 | mp = ip->i_mount; | |
51ce16d5 CH |
273 | ASSERT(ip->i_d.di_version == 1 || xfs_sb_version_hasnlink(&mp->m_sb)); |
274 | if (ip->i_d.di_version == 1) { | |
62118709 | 275 | if (!xfs_sb_version_hasnlink(&mp->m_sb)) { |
1da177e4 LT |
276 | /* |
277 | * Convert it back. | |
278 | */ | |
279 | ASSERT(ip->i_d.di_nlink <= XFS_MAXLINK_1); | |
280 | ip->i_d.di_onlink = ip->i_d.di_nlink; | |
281 | } else { | |
282 | /* | |
283 | * The superblock version has already been bumped, | |
284 | * so just make the conversion to the new inode | |
285 | * format permanent. | |
286 | */ | |
51ce16d5 | 287 | ip->i_d.di_version = 2; |
1da177e4 LT |
288 | ip->i_d.di_onlink = 0; |
289 | memset(&(ip->i_d.di_pad[0]), 0, sizeof(ip->i_d.di_pad)); | |
290 | } | |
291 | } | |
292 | ||
293 | switch (ip->i_d.di_format) { | |
294 | case XFS_DINODE_FMT_EXTENTS: | |
295 | ASSERT(!(iip->ili_format.ilf_fields & | |
296 | (XFS_ILOG_DDATA | XFS_ILOG_DBROOT | | |
297 | XFS_ILOG_DEV | XFS_ILOG_UUID))); | |
298 | if (iip->ili_format.ilf_fields & XFS_ILOG_DEXT) { | |
299 | ASSERT(ip->i_df.if_bytes > 0); | |
300 | ASSERT(ip->i_df.if_u1.if_extents != NULL); | |
301 | ASSERT(ip->i_d.di_nextents > 0); | |
302 | ASSERT(iip->ili_extents_buf == NULL); | |
73523a2e CH |
303 | ASSERT((ip->i_df.if_bytes / |
304 | (uint)sizeof(xfs_bmbt_rec_t)) > 0); | |
f016bad6 | 305 | #ifdef XFS_NATIVE_HOST |
696123fc DC |
306 | if (ip->i_d.di_nextents == ip->i_df.if_bytes / |
307 | (uint)sizeof(xfs_bmbt_rec_t)) { | |
1da177e4 LT |
308 | /* |
309 | * There are no delayed allocation | |
310 | * extents, so just point to the | |
311 | * real extents array. | |
312 | */ | |
4e0d5f92 | 313 | vecp->i_addr = ip->i_df.if_u1.if_extents; |
1da177e4 | 314 | vecp->i_len = ip->i_df.if_bytes; |
4139b3b3 | 315 | vecp->i_type = XLOG_REG_TYPE_IEXT; |
1da177e4 LT |
316 | } else |
317 | #endif | |
318 | { | |
e828776a DC |
319 | xfs_inode_item_format_extents(ip, vecp, |
320 | XFS_DATA_FORK, XLOG_REG_TYPE_IEXT); | |
1da177e4 LT |
321 | } |
322 | ASSERT(vecp->i_len <= ip->i_df.if_bytes); | |
323 | iip->ili_format.ilf_dsize = vecp->i_len; | |
324 | vecp++; | |
325 | nvecs++; | |
326 | } | |
327 | break; | |
328 | ||
329 | case XFS_DINODE_FMT_BTREE: | |
330 | ASSERT(!(iip->ili_format.ilf_fields & | |
331 | (XFS_ILOG_DDATA | XFS_ILOG_DEXT | | |
332 | XFS_ILOG_DEV | XFS_ILOG_UUID))); | |
333 | if (iip->ili_format.ilf_fields & XFS_ILOG_DBROOT) { | |
334 | ASSERT(ip->i_df.if_broot_bytes > 0); | |
335 | ASSERT(ip->i_df.if_broot != NULL); | |
4e0d5f92 | 336 | vecp->i_addr = ip->i_df.if_broot; |
1da177e4 | 337 | vecp->i_len = ip->i_df.if_broot_bytes; |
4139b3b3 | 338 | vecp->i_type = XLOG_REG_TYPE_IBROOT; |
1da177e4 LT |
339 | vecp++; |
340 | nvecs++; | |
341 | iip->ili_format.ilf_dsize = ip->i_df.if_broot_bytes; | |
342 | } | |
343 | break; | |
344 | ||
345 | case XFS_DINODE_FMT_LOCAL: | |
346 | ASSERT(!(iip->ili_format.ilf_fields & | |
347 | (XFS_ILOG_DBROOT | XFS_ILOG_DEXT | | |
348 | XFS_ILOG_DEV | XFS_ILOG_UUID))); | |
349 | if (iip->ili_format.ilf_fields & XFS_ILOG_DDATA) { | |
350 | ASSERT(ip->i_df.if_bytes > 0); | |
351 | ASSERT(ip->i_df.if_u1.if_data != NULL); | |
352 | ASSERT(ip->i_d.di_size > 0); | |
353 | ||
4e0d5f92 | 354 | vecp->i_addr = ip->i_df.if_u1.if_data; |
1da177e4 LT |
355 | /* |
356 | * Round i_bytes up to a word boundary. | |
357 | * The underlying memory is guaranteed to | |
358 | * to be there by xfs_idata_realloc(). | |
359 | */ | |
360 | data_bytes = roundup(ip->i_df.if_bytes, 4); | |
361 | ASSERT((ip->i_df.if_real_bytes == 0) || | |
362 | (ip->i_df.if_real_bytes == data_bytes)); | |
363 | vecp->i_len = (int)data_bytes; | |
4139b3b3 | 364 | vecp->i_type = XLOG_REG_TYPE_ILOCAL; |
1da177e4 LT |
365 | vecp++; |
366 | nvecs++; | |
367 | iip->ili_format.ilf_dsize = (unsigned)data_bytes; | |
368 | } | |
369 | break; | |
370 | ||
371 | case XFS_DINODE_FMT_DEV: | |
372 | ASSERT(!(iip->ili_format.ilf_fields & | |
373 | (XFS_ILOG_DBROOT | XFS_ILOG_DEXT | | |
374 | XFS_ILOG_DDATA | XFS_ILOG_UUID))); | |
375 | if (iip->ili_format.ilf_fields & XFS_ILOG_DEV) { | |
376 | iip->ili_format.ilf_u.ilfu_rdev = | |
377 | ip->i_df.if_u2.if_rdev; | |
378 | } | |
379 | break; | |
380 | ||
381 | case XFS_DINODE_FMT_UUID: | |
382 | ASSERT(!(iip->ili_format.ilf_fields & | |
383 | (XFS_ILOG_DBROOT | XFS_ILOG_DEXT | | |
384 | XFS_ILOG_DDATA | XFS_ILOG_DEV))); | |
385 | if (iip->ili_format.ilf_fields & XFS_ILOG_UUID) { | |
386 | iip->ili_format.ilf_u.ilfu_uuid = | |
387 | ip->i_df.if_u2.if_uuid; | |
388 | } | |
389 | break; | |
390 | ||
391 | default: | |
392 | ASSERT(0); | |
393 | break; | |
394 | } | |
395 | ||
396 | /* | |
397 | * If there are no attributes associated with the file, | |
398 | * then we're done. | |
399 | * Assert that no attribute-related log flags are set. | |
400 | */ | |
401 | if (!XFS_IFORK_Q(ip)) { | |
1da177e4 LT |
402 | iip->ili_format.ilf_size = nvecs; |
403 | ASSERT(!(iip->ili_format.ilf_fields & | |
404 | (XFS_ILOG_ADATA | XFS_ILOG_ABROOT | XFS_ILOG_AEXT))); | |
405 | return; | |
406 | } | |
407 | ||
408 | switch (ip->i_d.di_aformat) { | |
409 | case XFS_DINODE_FMT_EXTENTS: | |
410 | ASSERT(!(iip->ili_format.ilf_fields & | |
411 | (XFS_ILOG_ADATA | XFS_ILOG_ABROOT))); | |
412 | if (iip->ili_format.ilf_fields & XFS_ILOG_AEXT) { | |
1da177e4 | 413 | #ifdef DEBUG |
73523a2e | 414 | int nrecs = ip->i_afp->if_bytes / |
1da177e4 | 415 | (uint)sizeof(xfs_bmbt_rec_t); |
1da177e4 LT |
416 | ASSERT(nrecs > 0); |
417 | ASSERT(nrecs == ip->i_d.di_anextents); | |
73523a2e CH |
418 | ASSERT(ip->i_afp->if_bytes > 0); |
419 | ASSERT(ip->i_afp->if_u1.if_extents != NULL); | |
420 | ASSERT(ip->i_d.di_anextents > 0); | |
421 | #endif | |
f016bad6 | 422 | #ifdef XFS_NATIVE_HOST |
1da177e4 LT |
423 | /* |
424 | * There are not delayed allocation extents | |
425 | * for attributes, so just point at the array. | |
426 | */ | |
4e0d5f92 | 427 | vecp->i_addr = ip->i_afp->if_u1.if_extents; |
1da177e4 | 428 | vecp->i_len = ip->i_afp->if_bytes; |
e828776a | 429 | vecp->i_type = XLOG_REG_TYPE_IATTR_EXT; |
1da177e4 LT |
430 | #else |
431 | ASSERT(iip->ili_aextents_buf == NULL); | |
e828776a DC |
432 | xfs_inode_item_format_extents(ip, vecp, |
433 | XFS_ATTR_FORK, XLOG_REG_TYPE_IATTR_EXT); | |
1da177e4 LT |
434 | #endif |
435 | iip->ili_format.ilf_asize = vecp->i_len; | |
436 | vecp++; | |
437 | nvecs++; | |
438 | } | |
439 | break; | |
440 | ||
441 | case XFS_DINODE_FMT_BTREE: | |
442 | ASSERT(!(iip->ili_format.ilf_fields & | |
443 | (XFS_ILOG_ADATA | XFS_ILOG_AEXT))); | |
444 | if (iip->ili_format.ilf_fields & XFS_ILOG_ABROOT) { | |
445 | ASSERT(ip->i_afp->if_broot_bytes > 0); | |
446 | ASSERT(ip->i_afp->if_broot != NULL); | |
4e0d5f92 | 447 | vecp->i_addr = ip->i_afp->if_broot; |
1da177e4 | 448 | vecp->i_len = ip->i_afp->if_broot_bytes; |
4139b3b3 | 449 | vecp->i_type = XLOG_REG_TYPE_IATTR_BROOT; |
1da177e4 LT |
450 | vecp++; |
451 | nvecs++; | |
452 | iip->ili_format.ilf_asize = ip->i_afp->if_broot_bytes; | |
453 | } | |
454 | break; | |
455 | ||
456 | case XFS_DINODE_FMT_LOCAL: | |
457 | ASSERT(!(iip->ili_format.ilf_fields & | |
458 | (XFS_ILOG_ABROOT | XFS_ILOG_AEXT))); | |
459 | if (iip->ili_format.ilf_fields & XFS_ILOG_ADATA) { | |
460 | ASSERT(ip->i_afp->if_bytes > 0); | |
461 | ASSERT(ip->i_afp->if_u1.if_data != NULL); | |
462 | ||
4e0d5f92 | 463 | vecp->i_addr = ip->i_afp->if_u1.if_data; |
1da177e4 LT |
464 | /* |
465 | * Round i_bytes up to a word boundary. | |
466 | * The underlying memory is guaranteed to | |
467 | * to be there by xfs_idata_realloc(). | |
468 | */ | |
469 | data_bytes = roundup(ip->i_afp->if_bytes, 4); | |
470 | ASSERT((ip->i_afp->if_real_bytes == 0) || | |
471 | (ip->i_afp->if_real_bytes == data_bytes)); | |
472 | vecp->i_len = (int)data_bytes; | |
4139b3b3 | 473 | vecp->i_type = XLOG_REG_TYPE_IATTR_LOCAL; |
1da177e4 LT |
474 | vecp++; |
475 | nvecs++; | |
476 | iip->ili_format.ilf_asize = (unsigned)data_bytes; | |
477 | } | |
478 | break; | |
479 | ||
480 | default: | |
481 | ASSERT(0); | |
482 | break; | |
483 | } | |
484 | ||
1da177e4 LT |
485 | iip->ili_format.ilf_size = nvecs; |
486 | } | |
487 | ||
488 | ||
489 | /* | |
490 | * This is called to pin the inode associated with the inode log | |
a14a5ab5 | 491 | * item in memory so it cannot be written out. |
1da177e4 LT |
492 | */ |
493 | STATIC void | |
494 | xfs_inode_item_pin( | |
7bfa31d8 | 495 | struct xfs_log_item *lip) |
1da177e4 | 496 | { |
7bfa31d8 | 497 | struct xfs_inode *ip = INODE_ITEM(lip)->ili_inode; |
a14a5ab5 | 498 | |
7bfa31d8 CH |
499 | ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); |
500 | ||
501 | trace_xfs_inode_pin(ip, _RET_IP_); | |
502 | atomic_inc(&ip->i_pincount); | |
1da177e4 LT |
503 | } |
504 | ||
505 | ||
506 | /* | |
507 | * This is called to unpin the inode associated with the inode log | |
508 | * item which was previously pinned with a call to xfs_inode_item_pin(). | |
a14a5ab5 CH |
509 | * |
510 | * Also wake up anyone in xfs_iunpin_wait() if the count goes to 0. | |
1da177e4 | 511 | */ |
1da177e4 LT |
512 | STATIC void |
513 | xfs_inode_item_unpin( | |
7bfa31d8 | 514 | struct xfs_log_item *lip, |
9412e318 | 515 | int remove) |
1da177e4 | 516 | { |
7bfa31d8 | 517 | struct xfs_inode *ip = INODE_ITEM(lip)->ili_inode; |
a14a5ab5 | 518 | |
4aaf15d1 | 519 | trace_xfs_inode_unpin(ip, _RET_IP_); |
a14a5ab5 CH |
520 | ASSERT(atomic_read(&ip->i_pincount) > 0); |
521 | if (atomic_dec_and_test(&ip->i_pincount)) | |
f392e631 | 522 | wake_up_bit(&ip->i_flags, __XFS_IPINNED_BIT); |
1da177e4 LT |
523 | } |
524 | ||
1da177e4 LT |
525 | /* |
526 | * This is called to attempt to lock the inode associated with this | |
527 | * inode log item, in preparation for the push routine which does the actual | |
528 | * iflush. Don't sleep on the inode lock or the flush lock. | |
529 | * | |
530 | * If the flush lock is already held, indicating that the inode has | |
531 | * been or is in the process of being flushed, then (ideally) we'd like to | |
532 | * see if the inode's buffer is still incore, and if so give it a nudge. | |
533 | * We delay doing so until the pushbuf routine, though, to avoid holding | |
c41564b5 | 534 | * the AIL lock across a call to the blackhole which is the buffer cache. |
1da177e4 LT |
535 | * Also we don't want to sleep in any device strategy routines, which can happen |
536 | * if we do the subsequent bawrite in here. | |
537 | */ | |
538 | STATIC uint | |
539 | xfs_inode_item_trylock( | |
7bfa31d8 | 540 | struct xfs_log_item *lip) |
1da177e4 | 541 | { |
7bfa31d8 CH |
542 | struct xfs_inode_log_item *iip = INODE_ITEM(lip); |
543 | struct xfs_inode *ip = iip->ili_inode; | |
1da177e4 | 544 | |
7bfa31d8 | 545 | if (xfs_ipincount(ip) > 0) |
1da177e4 | 546 | return XFS_ITEM_PINNED; |
1da177e4 | 547 | |
7bfa31d8 | 548 | if (!xfs_ilock_nowait(ip, XFS_ILOCK_SHARED)) |
1da177e4 | 549 | return XFS_ITEM_LOCKED; |
1da177e4 LT |
550 | |
551 | if (!xfs_iflock_nowait(ip)) { | |
552 | /* | |
d808f617 DC |
553 | * inode has already been flushed to the backing buffer, |
554 | * leave it locked in shared mode, pushbuf routine will | |
555 | * unlock it. | |
1da177e4 | 556 | */ |
d808f617 | 557 | return XFS_ITEM_PUSHBUF; |
1da177e4 LT |
558 | } |
559 | ||
560 | /* Stale items should force out the iclog */ | |
561 | if (ip->i_flags & XFS_ISTALE) { | |
562 | xfs_ifunlock(ip); | |
5b03ff1b | 563 | xfs_iunlock(ip, XFS_ILOCK_SHARED); |
1da177e4 LT |
564 | return XFS_ITEM_PINNED; |
565 | } | |
566 | ||
567 | #ifdef DEBUG | |
568 | if (!XFS_FORCED_SHUTDOWN(ip->i_mount)) { | |
569 | ASSERT(iip->ili_format.ilf_fields != 0); | |
570 | ASSERT(iip->ili_logged == 0); | |
7bfa31d8 | 571 | ASSERT(lip->li_flags & XFS_LI_IN_AIL); |
1da177e4 LT |
572 | } |
573 | #endif | |
574 | return XFS_ITEM_SUCCESS; | |
575 | } | |
576 | ||
577 | /* | |
578 | * Unlock the inode associated with the inode log item. | |
579 | * Clear the fields of the inode and inode log item that | |
580 | * are specific to the current transaction. If the | |
581 | * hold flags is set, do not unlock the inode. | |
582 | */ | |
583 | STATIC void | |
584 | xfs_inode_item_unlock( | |
7bfa31d8 | 585 | struct xfs_log_item *lip) |
1da177e4 | 586 | { |
7bfa31d8 CH |
587 | struct xfs_inode_log_item *iip = INODE_ITEM(lip); |
588 | struct xfs_inode *ip = iip->ili_inode; | |
898621d5 | 589 | unsigned short lock_flags; |
1da177e4 | 590 | |
f3ca8738 CH |
591 | ASSERT(ip->i_itemp != NULL); |
592 | ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); | |
1da177e4 LT |
593 | |
594 | /* | |
595 | * If the inode needed a separate buffer with which to log | |
596 | * its extents, then free it now. | |
597 | */ | |
598 | if (iip->ili_extents_buf != NULL) { | |
599 | ASSERT(ip->i_d.di_format == XFS_DINODE_FMT_EXTENTS); | |
600 | ASSERT(ip->i_d.di_nextents > 0); | |
601 | ASSERT(iip->ili_format.ilf_fields & XFS_ILOG_DEXT); | |
602 | ASSERT(ip->i_df.if_bytes > 0); | |
f0e2d93c | 603 | kmem_free(iip->ili_extents_buf); |
1da177e4 LT |
604 | iip->ili_extents_buf = NULL; |
605 | } | |
606 | if (iip->ili_aextents_buf != NULL) { | |
607 | ASSERT(ip->i_d.di_aformat == XFS_DINODE_FMT_EXTENTS); | |
608 | ASSERT(ip->i_d.di_anextents > 0); | |
609 | ASSERT(iip->ili_format.ilf_fields & XFS_ILOG_AEXT); | |
610 | ASSERT(ip->i_afp->if_bytes > 0); | |
f0e2d93c | 611 | kmem_free(iip->ili_aextents_buf); |
1da177e4 LT |
612 | iip->ili_aextents_buf = NULL; |
613 | } | |
614 | ||
898621d5 CH |
615 | lock_flags = iip->ili_lock_flags; |
616 | iip->ili_lock_flags = 0; | |
ddc3415a | 617 | if (lock_flags) |
f3ca8738 | 618 | xfs_iunlock(ip, lock_flags); |
1da177e4 LT |
619 | } |
620 | ||
621 | /* | |
de25c181 DC |
622 | * This is called to find out where the oldest active copy of the inode log |
623 | * item in the on disk log resides now that the last log write of it completed | |
624 | * at the given lsn. Since we always re-log all dirty data in an inode, the | |
625 | * latest copy in the on disk log is the only one that matters. Therefore, | |
626 | * simply return the given lsn. | |
627 | * | |
628 | * If the inode has been marked stale because the cluster is being freed, we | |
629 | * don't want to (re-)insert this inode into the AIL. There is a race condition | |
630 | * where the cluster buffer may be unpinned before the inode is inserted into | |
631 | * the AIL during transaction committed processing. If the buffer is unpinned | |
632 | * before the inode item has been committed and inserted, then it is possible | |
1316d4da | 633 | * for the buffer to be written and IO completes before the inode is inserted |
de25c181 DC |
634 | * into the AIL. In that case, we'd be inserting a clean, stale inode into the |
635 | * AIL which will never get removed. It will, however, get reclaimed which | |
636 | * triggers an assert in xfs_inode_free() complaining about freein an inode | |
637 | * still in the AIL. | |
638 | * | |
1316d4da DC |
639 | * To avoid this, just unpin the inode directly and return a LSN of -1 so the |
640 | * transaction committed code knows that it does not need to do any further | |
641 | * processing on the item. | |
1da177e4 | 642 | */ |
1da177e4 LT |
643 | STATIC xfs_lsn_t |
644 | xfs_inode_item_committed( | |
7bfa31d8 | 645 | struct xfs_log_item *lip, |
1da177e4 LT |
646 | xfs_lsn_t lsn) |
647 | { | |
de25c181 DC |
648 | struct xfs_inode_log_item *iip = INODE_ITEM(lip); |
649 | struct xfs_inode *ip = iip->ili_inode; | |
650 | ||
1316d4da DC |
651 | if (xfs_iflags_test(ip, XFS_ISTALE)) { |
652 | xfs_inode_item_unpin(lip, 0); | |
653 | return -1; | |
654 | } | |
7bfa31d8 | 655 | return lsn; |
1da177e4 LT |
656 | } |
657 | ||
1da177e4 LT |
658 | /* |
659 | * This gets called by xfs_trans_push_ail(), when IOP_TRYLOCK | |
660 | * failed to get the inode flush lock but did get the inode locked SHARED. | |
661 | * Here we're trying to see if the inode buffer is incore, and if so whether it's | |
d808f617 DC |
662 | * marked delayed write. If that's the case, we'll promote it and that will |
663 | * allow the caller to write the buffer by triggering the xfsbufd to run. | |
1da177e4 | 664 | */ |
17b38471 | 665 | STATIC bool |
1da177e4 | 666 | xfs_inode_item_pushbuf( |
7bfa31d8 | 667 | struct xfs_log_item *lip) |
1da177e4 | 668 | { |
7bfa31d8 CH |
669 | struct xfs_inode_log_item *iip = INODE_ITEM(lip); |
670 | struct xfs_inode *ip = iip->ili_inode; | |
671 | struct xfs_buf *bp; | |
17b38471 | 672 | bool ret = true; |
1da177e4 | 673 | |
579aa9ca | 674 | ASSERT(xfs_isilocked(ip, XFS_ILOCK_SHARED)); |
1da177e4 | 675 | |
1da177e4 | 676 | /* |
c63942d3 DC |
677 | * If a flush is not in progress anymore, chances are that the |
678 | * inode was taken off the AIL. So, just get out. | |
1da177e4 | 679 | */ |
474fce06 | 680 | if (!xfs_isiflocked(ip) || |
7bfa31d8 | 681 | !(lip->li_flags & XFS_LI_IN_AIL)) { |
1da177e4 | 682 | xfs_iunlock(ip, XFS_ILOCK_SHARED); |
17b38471 | 683 | return true; |
1da177e4 LT |
684 | } |
685 | ||
7bfa31d8 CH |
686 | bp = xfs_incore(ip->i_mount->m_ddev_targp, iip->ili_format.ilf_blkno, |
687 | iip->ili_format.ilf_len, XBF_TRYLOCK); | |
1da177e4 | 688 | |
1da177e4 | 689 | xfs_iunlock(ip, XFS_ILOCK_SHARED); |
d808f617 | 690 | if (!bp) |
17b38471 | 691 | return true; |
d808f617 DC |
692 | if (XFS_BUF_ISDELAYWRITE(bp)) |
693 | xfs_buf_delwri_promote(bp); | |
17b38471 CH |
694 | if (xfs_buf_ispinned(bp)) |
695 | ret = false; | |
d808f617 | 696 | xfs_buf_relse(bp); |
17b38471 | 697 | return ret; |
1da177e4 LT |
698 | } |
699 | ||
1da177e4 LT |
700 | /* |
701 | * This is called to asynchronously write the inode associated with this | |
702 | * inode log item out to disk. The inode will already have been locked by | |
703 | * a successful call to xfs_inode_item_trylock(). | |
704 | */ | |
705 | STATIC void | |
706 | xfs_inode_item_push( | |
7bfa31d8 | 707 | struct xfs_log_item *lip) |
1da177e4 | 708 | { |
7bfa31d8 CH |
709 | struct xfs_inode_log_item *iip = INODE_ITEM(lip); |
710 | struct xfs_inode *ip = iip->ili_inode; | |
1da177e4 | 711 | |
579aa9ca | 712 | ASSERT(xfs_isilocked(ip, XFS_ILOCK_SHARED)); |
474fce06 | 713 | ASSERT(xfs_isiflocked(ip)); |
7bfa31d8 | 714 | |
1da177e4 LT |
715 | /* |
716 | * Since we were able to lock the inode's flush lock and | |
717 | * we found it on the AIL, the inode must be dirty. This | |
718 | * is because the inode is removed from the AIL while still | |
719 | * holding the flush lock in xfs_iflush_done(). Thus, if | |
720 | * we found it in the AIL and were able to obtain the flush | |
721 | * lock without sleeping, then there must not have been | |
722 | * anyone in the process of flushing the inode. | |
723 | */ | |
724 | ASSERT(XFS_FORCED_SHUTDOWN(ip->i_mount) || | |
725 | iip->ili_format.ilf_fields != 0); | |
726 | ||
727 | /* | |
c854363e DC |
728 | * Push the inode to it's backing buffer. This will not remove the |
729 | * inode from the AIL - a further push will be required to trigger a | |
730 | * buffer push. However, this allows all the dirty inodes to be pushed | |
1bfd8d04 DC |
731 | * to the buffer before it is pushed to disk. The buffer IO completion |
732 | * will pull the inode from the AIL, mark it clean and unlock the flush | |
c854363e | 733 | * lock. |
1da177e4 | 734 | */ |
1bfd8d04 | 735 | (void) xfs_iflush(ip, SYNC_TRYLOCK); |
1da177e4 | 736 | xfs_iunlock(ip, XFS_ILOCK_SHARED); |
1da177e4 LT |
737 | } |
738 | ||
739 | /* | |
740 | * XXX rcc - this one really has to do something. Probably needs | |
741 | * to stamp in a new field in the incore inode. | |
742 | */ | |
1da177e4 LT |
743 | STATIC void |
744 | xfs_inode_item_committing( | |
7bfa31d8 | 745 | struct xfs_log_item *lip, |
1da177e4 LT |
746 | xfs_lsn_t lsn) |
747 | { | |
7bfa31d8 | 748 | INODE_ITEM(lip)->ili_last_lsn = lsn; |
1da177e4 LT |
749 | } |
750 | ||
751 | /* | |
752 | * This is the ops vector shared by all buf log items. | |
753 | */ | |
272e42b2 | 754 | static const struct xfs_item_ops xfs_inode_item_ops = { |
7bfa31d8 CH |
755 | .iop_size = xfs_inode_item_size, |
756 | .iop_format = xfs_inode_item_format, | |
757 | .iop_pin = xfs_inode_item_pin, | |
758 | .iop_unpin = xfs_inode_item_unpin, | |
759 | .iop_trylock = xfs_inode_item_trylock, | |
760 | .iop_unlock = xfs_inode_item_unlock, | |
761 | .iop_committed = xfs_inode_item_committed, | |
762 | .iop_push = xfs_inode_item_push, | |
763 | .iop_pushbuf = xfs_inode_item_pushbuf, | |
764 | .iop_committing = xfs_inode_item_committing | |
1da177e4 LT |
765 | }; |
766 | ||
767 | ||
768 | /* | |
769 | * Initialize the inode log item for a newly allocated (in-core) inode. | |
770 | */ | |
771 | void | |
772 | xfs_inode_item_init( | |
7bfa31d8 CH |
773 | struct xfs_inode *ip, |
774 | struct xfs_mount *mp) | |
1da177e4 | 775 | { |
7bfa31d8 | 776 | struct xfs_inode_log_item *iip; |
1da177e4 LT |
777 | |
778 | ASSERT(ip->i_itemp == NULL); | |
779 | iip = ip->i_itemp = kmem_zone_zalloc(xfs_ili_zone, KM_SLEEP); | |
780 | ||
1da177e4 | 781 | iip->ili_inode = ip; |
43f5efc5 DC |
782 | xfs_log_item_init(mp, &iip->ili_item, XFS_LI_INODE, |
783 | &xfs_inode_item_ops); | |
1da177e4 LT |
784 | iip->ili_format.ilf_type = XFS_LI_INODE; |
785 | iip->ili_format.ilf_ino = ip->i_ino; | |
92bfc6e7 CH |
786 | iip->ili_format.ilf_blkno = ip->i_imap.im_blkno; |
787 | iip->ili_format.ilf_len = ip->i_imap.im_len; | |
788 | iip->ili_format.ilf_boffset = ip->i_imap.im_boffset; | |
1da177e4 LT |
789 | } |
790 | ||
791 | /* | |
792 | * Free the inode log item and any memory hanging off of it. | |
793 | */ | |
794 | void | |
795 | xfs_inode_item_destroy( | |
796 | xfs_inode_t *ip) | |
797 | { | |
798 | #ifdef XFS_TRANS_DEBUG | |
799 | if (ip->i_itemp->ili_root_size != 0) { | |
f0e2d93c | 800 | kmem_free(ip->i_itemp->ili_orig_root); |
1da177e4 LT |
801 | } |
802 | #endif | |
803 | kmem_zone_free(xfs_ili_zone, ip->i_itemp); | |
804 | } | |
805 | ||
806 | ||
807 | /* | |
808 | * This is the inode flushing I/O completion routine. It is called | |
809 | * from interrupt level when the buffer containing the inode is | |
810 | * flushed to disk. It is responsible for removing the inode item | |
811 | * from the AIL if it has not been re-logged, and unlocking the inode's | |
812 | * flush lock. | |
30136832 DC |
813 | * |
814 | * To reduce AIL lock traffic as much as possible, we scan the buffer log item | |
815 | * list for other inodes that will run this function. We remove them from the | |
816 | * buffer list so we can process all the inode IO completions in one AIL lock | |
817 | * traversal. | |
1da177e4 | 818 | */ |
1da177e4 LT |
819 | void |
820 | xfs_iflush_done( | |
ca30b2a7 CH |
821 | struct xfs_buf *bp, |
822 | struct xfs_log_item *lip) | |
1da177e4 | 823 | { |
30136832 DC |
824 | struct xfs_inode_log_item *iip; |
825 | struct xfs_log_item *blip; | |
826 | struct xfs_log_item *next; | |
827 | struct xfs_log_item *prev; | |
ca30b2a7 | 828 | struct xfs_ail *ailp = lip->li_ailp; |
30136832 DC |
829 | int need_ail = 0; |
830 | ||
831 | /* | |
832 | * Scan the buffer IO completions for other inodes being completed and | |
833 | * attach them to the current inode log item. | |
834 | */ | |
adadbeef | 835 | blip = bp->b_fspriv; |
30136832 DC |
836 | prev = NULL; |
837 | while (blip != NULL) { | |
838 | if (lip->li_cb != xfs_iflush_done) { | |
839 | prev = blip; | |
840 | blip = blip->li_bio_list; | |
841 | continue; | |
842 | } | |
843 | ||
844 | /* remove from list */ | |
845 | next = blip->li_bio_list; | |
846 | if (!prev) { | |
adadbeef | 847 | bp->b_fspriv = next; |
30136832 DC |
848 | } else { |
849 | prev->li_bio_list = next; | |
850 | } | |
851 | ||
852 | /* add to current list */ | |
853 | blip->li_bio_list = lip->li_bio_list; | |
854 | lip->li_bio_list = blip; | |
855 | ||
856 | /* | |
857 | * while we have the item, do the unlocked check for needing | |
858 | * the AIL lock. | |
859 | */ | |
860 | iip = INODE_ITEM(blip); | |
861 | if (iip->ili_logged && blip->li_lsn == iip->ili_flush_lsn) | |
862 | need_ail++; | |
863 | ||
864 | blip = next; | |
865 | } | |
866 | ||
867 | /* make sure we capture the state of the initial inode. */ | |
868 | iip = INODE_ITEM(lip); | |
869 | if (iip->ili_logged && lip->li_lsn == iip->ili_flush_lsn) | |
870 | need_ail++; | |
1da177e4 LT |
871 | |
872 | /* | |
873 | * We only want to pull the item from the AIL if it is | |
874 | * actually there and its location in the log has not | |
875 | * changed since we started the flush. Thus, we only bother | |
876 | * if the ili_logged flag is set and the inode's lsn has not | |
877 | * changed. First we check the lsn outside | |
878 | * the lock since it's cheaper, and then we recheck while | |
879 | * holding the lock before removing the inode from the AIL. | |
880 | */ | |
30136832 DC |
881 | if (need_ail) { |
882 | struct xfs_log_item *log_items[need_ail]; | |
883 | int i = 0; | |
783a2f65 | 884 | spin_lock(&ailp->xa_lock); |
30136832 DC |
885 | for (blip = lip; blip; blip = blip->li_bio_list) { |
886 | iip = INODE_ITEM(blip); | |
887 | if (iip->ili_logged && | |
888 | blip->li_lsn == iip->ili_flush_lsn) { | |
889 | log_items[i++] = blip; | |
890 | } | |
891 | ASSERT(i <= need_ail); | |
1da177e4 | 892 | } |
30136832 DC |
893 | /* xfs_trans_ail_delete_bulk() drops the AIL lock. */ |
894 | xfs_trans_ail_delete_bulk(ailp, log_items, i); | |
1da177e4 LT |
895 | } |
896 | ||
1da177e4 LT |
897 | |
898 | /* | |
30136832 DC |
899 | * clean up and unlock the flush lock now we are done. We can clear the |
900 | * ili_last_fields bits now that we know that the data corresponding to | |
901 | * them is safely on disk. | |
1da177e4 | 902 | */ |
30136832 DC |
903 | for (blip = lip; blip; blip = next) { |
904 | next = blip->li_bio_list; | |
905 | blip->li_bio_list = NULL; | |
906 | ||
907 | iip = INODE_ITEM(blip); | |
908 | iip->ili_logged = 0; | |
909 | iip->ili_last_fields = 0; | |
910 | xfs_ifunlock(iip->ili_inode); | |
911 | } | |
1da177e4 LT |
912 | } |
913 | ||
914 | /* | |
915 | * This is the inode flushing abort routine. It is called | |
916 | * from xfs_iflush when the filesystem is shutting down to clean | |
917 | * up the inode state. | |
918 | * It is responsible for removing the inode item | |
919 | * from the AIL if it has not been re-logged, and unlocking the inode's | |
920 | * flush lock. | |
921 | */ | |
922 | void | |
923 | xfs_iflush_abort( | |
924 | xfs_inode_t *ip) | |
925 | { | |
783a2f65 | 926 | xfs_inode_log_item_t *iip = ip->i_itemp; |
1da177e4 | 927 | |
1da177e4 | 928 | if (iip) { |
783a2f65 | 929 | struct xfs_ail *ailp = iip->ili_item.li_ailp; |
1da177e4 | 930 | if (iip->ili_item.li_flags & XFS_LI_IN_AIL) { |
783a2f65 | 931 | spin_lock(&ailp->xa_lock); |
1da177e4 | 932 | if (iip->ili_item.li_flags & XFS_LI_IN_AIL) { |
783a2f65 DC |
933 | /* xfs_trans_ail_delete() drops the AIL lock. */ |
934 | xfs_trans_ail_delete(ailp, (xfs_log_item_t *)iip); | |
1da177e4 | 935 | } else |
783a2f65 | 936 | spin_unlock(&ailp->xa_lock); |
1da177e4 LT |
937 | } |
938 | iip->ili_logged = 0; | |
939 | /* | |
940 | * Clear the ili_last_fields bits now that we know that the | |
941 | * data corresponding to them is safely on disk. | |
942 | */ | |
943 | iip->ili_last_fields = 0; | |
944 | /* | |
945 | * Clear the inode logging fields so no more flushes are | |
946 | * attempted. | |
947 | */ | |
948 | iip->ili_format.ilf_fields = 0; | |
949 | } | |
950 | /* | |
951 | * Release the inode's flush lock since we're done with it. | |
952 | */ | |
953 | xfs_ifunlock(ip); | |
954 | } | |
955 | ||
956 | void | |
957 | xfs_istale_done( | |
ca30b2a7 CH |
958 | struct xfs_buf *bp, |
959 | struct xfs_log_item *lip) | |
1da177e4 | 960 | { |
ca30b2a7 | 961 | xfs_iflush_abort(INODE_ITEM(lip)->ili_inode); |
1da177e4 | 962 | } |
6d192a9b TS |
963 | |
964 | /* | |
965 | * convert an xfs_inode_log_format struct from either 32 or 64 bit versions | |
966 | * (which can have different field alignments) to the native version | |
967 | */ | |
968 | int | |
969 | xfs_inode_item_format_convert( | |
970 | xfs_log_iovec_t *buf, | |
971 | xfs_inode_log_format_t *in_f) | |
972 | { | |
973 | if (buf->i_len == sizeof(xfs_inode_log_format_32_t)) { | |
4e0d5f92 | 974 | xfs_inode_log_format_32_t *in_f32 = buf->i_addr; |
6d192a9b | 975 | |
6d192a9b TS |
976 | in_f->ilf_type = in_f32->ilf_type; |
977 | in_f->ilf_size = in_f32->ilf_size; | |
978 | in_f->ilf_fields = in_f32->ilf_fields; | |
979 | in_f->ilf_asize = in_f32->ilf_asize; | |
980 | in_f->ilf_dsize = in_f32->ilf_dsize; | |
981 | in_f->ilf_ino = in_f32->ilf_ino; | |
982 | /* copy biggest field of ilf_u */ | |
983 | memcpy(in_f->ilf_u.ilfu_uuid.__u_bits, | |
984 | in_f32->ilf_u.ilfu_uuid.__u_bits, | |
985 | sizeof(uuid_t)); | |
986 | in_f->ilf_blkno = in_f32->ilf_blkno; | |
987 | in_f->ilf_len = in_f32->ilf_len; | |
988 | in_f->ilf_boffset = in_f32->ilf_boffset; | |
989 | return 0; | |
990 | } else if (buf->i_len == sizeof(xfs_inode_log_format_64_t)){ | |
4e0d5f92 | 991 | xfs_inode_log_format_64_t *in_f64 = buf->i_addr; |
6d192a9b | 992 | |
6d192a9b TS |
993 | in_f->ilf_type = in_f64->ilf_type; |
994 | in_f->ilf_size = in_f64->ilf_size; | |
995 | in_f->ilf_fields = in_f64->ilf_fields; | |
996 | in_f->ilf_asize = in_f64->ilf_asize; | |
997 | in_f->ilf_dsize = in_f64->ilf_dsize; | |
998 | in_f->ilf_ino = in_f64->ilf_ino; | |
999 | /* copy biggest field of ilf_u */ | |
1000 | memcpy(in_f->ilf_u.ilfu_uuid.__u_bits, | |
1001 | in_f64->ilf_u.ilfu_uuid.__u_bits, | |
1002 | sizeof(uuid_t)); | |
1003 | in_f->ilf_blkno = in_f64->ilf_blkno; | |
1004 | in_f->ilf_len = in_f64->ilf_len; | |
1005 | in_f->ilf_boffset = in_f64->ilf_boffset; | |
1006 | return 0; | |
1007 | } | |
1008 | return EFSCORRUPTED; | |
1009 | } |