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: | |
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 | ||
e828776a DC |
200 | /* |
201 | * xfs_inode_item_format_extents - convert in-core extents to on-disk form | |
202 | * | |
203 | * For either the data or attr fork in extent format, we need to endian convert | |
204 | * the in-core extent as we place them into the on-disk inode. In this case, we | |
205 | * need to do this conversion before we write the extents into the log. Because | |
206 | * we don't have the disk inode to write into here, we allocate a buffer and | |
207 | * format the extents into it via xfs_iextents_copy(). We free the buffer in | |
208 | * the unlock routine after the copy for the log has been made. | |
209 | * | |
210 | * In the case of the data fork, the in-core and on-disk fork sizes can be | |
211 | * different due to delayed allocation extents. We only log on-disk extents | |
212 | * here, so always use the physical fork size to determine the size of the | |
213 | * buffer we need to allocate. | |
214 | */ | |
215 | STATIC void | |
216 | xfs_inode_item_format_extents( | |
217 | struct xfs_inode *ip, | |
218 | struct xfs_log_iovec *vecp, | |
219 | int whichfork, | |
220 | int type) | |
221 | { | |
222 | xfs_bmbt_rec_t *ext_buffer; | |
223 | ||
224 | ext_buffer = kmem_alloc(XFS_IFORK_SIZE(ip, whichfork), KM_SLEEP); | |
225 | if (whichfork == XFS_DATA_FORK) | |
226 | ip->i_itemp->ili_extents_buf = ext_buffer; | |
227 | else | |
228 | ip->i_itemp->ili_aextents_buf = ext_buffer; | |
229 | ||
230 | vecp->i_addr = ext_buffer; | |
231 | vecp->i_len = xfs_iextents_copy(ip, ext_buffer, whichfork); | |
232 | vecp->i_type = type; | |
233 | } | |
234 | ||
1da177e4 LT |
235 | /* |
236 | * This is called to fill in the vector of log iovecs for the | |
237 | * given inode log item. It fills the first item with an inode | |
238 | * log format structure, the second with the on-disk inode structure, | |
239 | * and a possible third and/or fourth with the inode data/extents/b-tree | |
240 | * root and inode attributes data/extents/b-tree root. | |
241 | */ | |
242 | STATIC void | |
243 | xfs_inode_item_format( | |
7bfa31d8 CH |
244 | struct xfs_log_item *lip, |
245 | struct xfs_log_iovec *vecp) | |
1da177e4 | 246 | { |
7bfa31d8 CH |
247 | struct xfs_inode_log_item *iip = INODE_ITEM(lip); |
248 | struct xfs_inode *ip = iip->ili_inode; | |
1da177e4 | 249 | uint nvecs; |
1da177e4 | 250 | size_t data_bytes; |
1da177e4 LT |
251 | xfs_mount_t *mp; |
252 | ||
4e0d5f92 | 253 | vecp->i_addr = &iip->ili_format; |
1da177e4 | 254 | vecp->i_len = sizeof(xfs_inode_log_format_t); |
4139b3b3 | 255 | vecp->i_type = XLOG_REG_TYPE_IFORMAT; |
1da177e4 LT |
256 | vecp++; |
257 | nvecs = 1; | |
258 | ||
259 | /* | |
260 | * Clear i_update_core if the timestamps (or any other | |
261 | * non-transactional modification) need flushing/logging | |
262 | * and we're about to log them with the rest of the core. | |
263 | * | |
264 | * This is the same logic as xfs_iflush() but this code can't | |
265 | * run at the same time as xfs_iflush because we're in commit | |
266 | * processing here and so we have the inode lock held in | |
267 | * exclusive mode. Although it doesn't really matter | |
268 | * for the timestamps if both routines were to grab the | |
269 | * timestamps or not. That would be ok. | |
270 | * | |
271 | * We clear i_update_core before copying out the data. | |
272 | * This is for coordination with our timestamp updates | |
273 | * that don't hold the inode lock. They will always | |
274 | * update the timestamps BEFORE setting i_update_core, | |
275 | * so if we clear i_update_core after they set it we | |
276 | * are guaranteed to see their updates to the timestamps | |
277 | * either here. Likewise, if they set it after we clear it | |
278 | * here, we'll see it either on the next commit of this | |
279 | * inode or the next time the inode gets flushed via | |
280 | * xfs_iflush(). This depends on strongly ordered memory | |
281 | * semantics, but we have that. We use the SYNCHRONIZE | |
282 | * macro to make sure that the compiler does not reorder | |
283 | * the i_update_core access below the data copy below. | |
284 | */ | |
285 | if (ip->i_update_core) { | |
286 | ip->i_update_core = 0; | |
287 | SYNCHRONIZE(); | |
288 | } | |
289 | ||
42fe2b1f | 290 | /* |
f9581b14 | 291 | * Make sure to get the latest timestamps from the Linux inode. |
42fe2b1f | 292 | */ |
f9581b14 | 293 | xfs_synchronize_times(ip); |
5d51eff4 | 294 | |
4e0d5f92 | 295 | vecp->i_addr = &ip->i_d; |
81591fe2 | 296 | vecp->i_len = sizeof(struct xfs_icdinode); |
4139b3b3 | 297 | vecp->i_type = XLOG_REG_TYPE_ICORE; |
1da177e4 LT |
298 | vecp++; |
299 | nvecs++; | |
300 | iip->ili_format.ilf_fields |= XFS_ILOG_CORE; | |
301 | ||
302 | /* | |
303 | * If this is really an old format inode, then we need to | |
304 | * log it as such. This means that we have to copy the link | |
305 | * count from the new field to the old. We don't have to worry | |
306 | * about the new fields, because nothing trusts them as long as | |
307 | * the old inode version number is there. If the superblock already | |
308 | * has a new version number, then we don't bother converting back. | |
309 | */ | |
310 | mp = ip->i_mount; | |
51ce16d5 CH |
311 | ASSERT(ip->i_d.di_version == 1 || xfs_sb_version_hasnlink(&mp->m_sb)); |
312 | if (ip->i_d.di_version == 1) { | |
62118709 | 313 | if (!xfs_sb_version_hasnlink(&mp->m_sb)) { |
1da177e4 LT |
314 | /* |
315 | * Convert it back. | |
316 | */ | |
317 | ASSERT(ip->i_d.di_nlink <= XFS_MAXLINK_1); | |
318 | ip->i_d.di_onlink = ip->i_d.di_nlink; | |
319 | } else { | |
320 | /* | |
321 | * The superblock version has already been bumped, | |
322 | * so just make the conversion to the new inode | |
323 | * format permanent. | |
324 | */ | |
51ce16d5 | 325 | ip->i_d.di_version = 2; |
1da177e4 LT |
326 | ip->i_d.di_onlink = 0; |
327 | memset(&(ip->i_d.di_pad[0]), 0, sizeof(ip->i_d.di_pad)); | |
328 | } | |
329 | } | |
330 | ||
331 | switch (ip->i_d.di_format) { | |
332 | case XFS_DINODE_FMT_EXTENTS: | |
333 | ASSERT(!(iip->ili_format.ilf_fields & | |
334 | (XFS_ILOG_DDATA | XFS_ILOG_DBROOT | | |
335 | XFS_ILOG_DEV | XFS_ILOG_UUID))); | |
336 | if (iip->ili_format.ilf_fields & XFS_ILOG_DEXT) { | |
337 | ASSERT(ip->i_df.if_bytes > 0); | |
338 | ASSERT(ip->i_df.if_u1.if_extents != NULL); | |
339 | ASSERT(ip->i_d.di_nextents > 0); | |
340 | ASSERT(iip->ili_extents_buf == NULL); | |
73523a2e CH |
341 | ASSERT((ip->i_df.if_bytes / |
342 | (uint)sizeof(xfs_bmbt_rec_t)) > 0); | |
f016bad6 | 343 | #ifdef XFS_NATIVE_HOST |
696123fc DC |
344 | if (ip->i_d.di_nextents == ip->i_df.if_bytes / |
345 | (uint)sizeof(xfs_bmbt_rec_t)) { | |
1da177e4 LT |
346 | /* |
347 | * There are no delayed allocation | |
348 | * extents, so just point to the | |
349 | * real extents array. | |
350 | */ | |
4e0d5f92 | 351 | vecp->i_addr = ip->i_df.if_u1.if_extents; |
1da177e4 | 352 | vecp->i_len = ip->i_df.if_bytes; |
4139b3b3 | 353 | vecp->i_type = XLOG_REG_TYPE_IEXT; |
1da177e4 LT |
354 | } else |
355 | #endif | |
356 | { | |
e828776a DC |
357 | xfs_inode_item_format_extents(ip, vecp, |
358 | XFS_DATA_FORK, XLOG_REG_TYPE_IEXT); | |
1da177e4 LT |
359 | } |
360 | ASSERT(vecp->i_len <= ip->i_df.if_bytes); | |
361 | iip->ili_format.ilf_dsize = vecp->i_len; | |
362 | vecp++; | |
363 | nvecs++; | |
364 | } | |
365 | break; | |
366 | ||
367 | case XFS_DINODE_FMT_BTREE: | |
368 | ASSERT(!(iip->ili_format.ilf_fields & | |
369 | (XFS_ILOG_DDATA | XFS_ILOG_DEXT | | |
370 | XFS_ILOG_DEV | XFS_ILOG_UUID))); | |
371 | if (iip->ili_format.ilf_fields & XFS_ILOG_DBROOT) { | |
372 | ASSERT(ip->i_df.if_broot_bytes > 0); | |
373 | ASSERT(ip->i_df.if_broot != NULL); | |
4e0d5f92 | 374 | vecp->i_addr = ip->i_df.if_broot; |
1da177e4 | 375 | vecp->i_len = ip->i_df.if_broot_bytes; |
4139b3b3 | 376 | vecp->i_type = XLOG_REG_TYPE_IBROOT; |
1da177e4 LT |
377 | vecp++; |
378 | nvecs++; | |
379 | iip->ili_format.ilf_dsize = ip->i_df.if_broot_bytes; | |
380 | } | |
381 | break; | |
382 | ||
383 | case XFS_DINODE_FMT_LOCAL: | |
384 | ASSERT(!(iip->ili_format.ilf_fields & | |
385 | (XFS_ILOG_DBROOT | XFS_ILOG_DEXT | | |
386 | XFS_ILOG_DEV | XFS_ILOG_UUID))); | |
387 | if (iip->ili_format.ilf_fields & XFS_ILOG_DDATA) { | |
388 | ASSERT(ip->i_df.if_bytes > 0); | |
389 | ASSERT(ip->i_df.if_u1.if_data != NULL); | |
390 | ASSERT(ip->i_d.di_size > 0); | |
391 | ||
4e0d5f92 | 392 | vecp->i_addr = ip->i_df.if_u1.if_data; |
1da177e4 LT |
393 | /* |
394 | * Round i_bytes up to a word boundary. | |
395 | * The underlying memory is guaranteed to | |
396 | * to be there by xfs_idata_realloc(). | |
397 | */ | |
398 | data_bytes = roundup(ip->i_df.if_bytes, 4); | |
399 | ASSERT((ip->i_df.if_real_bytes == 0) || | |
400 | (ip->i_df.if_real_bytes == data_bytes)); | |
401 | vecp->i_len = (int)data_bytes; | |
4139b3b3 | 402 | vecp->i_type = XLOG_REG_TYPE_ILOCAL; |
1da177e4 LT |
403 | vecp++; |
404 | nvecs++; | |
405 | iip->ili_format.ilf_dsize = (unsigned)data_bytes; | |
406 | } | |
407 | break; | |
408 | ||
409 | case XFS_DINODE_FMT_DEV: | |
410 | ASSERT(!(iip->ili_format.ilf_fields & | |
411 | (XFS_ILOG_DBROOT | XFS_ILOG_DEXT | | |
412 | XFS_ILOG_DDATA | XFS_ILOG_UUID))); | |
413 | if (iip->ili_format.ilf_fields & XFS_ILOG_DEV) { | |
414 | iip->ili_format.ilf_u.ilfu_rdev = | |
415 | ip->i_df.if_u2.if_rdev; | |
416 | } | |
417 | break; | |
418 | ||
419 | case XFS_DINODE_FMT_UUID: | |
420 | ASSERT(!(iip->ili_format.ilf_fields & | |
421 | (XFS_ILOG_DBROOT | XFS_ILOG_DEXT | | |
422 | XFS_ILOG_DDATA | XFS_ILOG_DEV))); | |
423 | if (iip->ili_format.ilf_fields & XFS_ILOG_UUID) { | |
424 | iip->ili_format.ilf_u.ilfu_uuid = | |
425 | ip->i_df.if_u2.if_uuid; | |
426 | } | |
427 | break; | |
428 | ||
429 | default: | |
430 | ASSERT(0); | |
431 | break; | |
432 | } | |
433 | ||
434 | /* | |
435 | * If there are no attributes associated with the file, | |
436 | * then we're done. | |
437 | * Assert that no attribute-related log flags are set. | |
438 | */ | |
439 | if (!XFS_IFORK_Q(ip)) { | |
7bfa31d8 | 440 | ASSERT(nvecs == lip->li_desc->lid_size); |
1da177e4 LT |
441 | iip->ili_format.ilf_size = nvecs; |
442 | ASSERT(!(iip->ili_format.ilf_fields & | |
443 | (XFS_ILOG_ADATA | XFS_ILOG_ABROOT | XFS_ILOG_AEXT))); | |
444 | return; | |
445 | } | |
446 | ||
447 | switch (ip->i_d.di_aformat) { | |
448 | case XFS_DINODE_FMT_EXTENTS: | |
449 | ASSERT(!(iip->ili_format.ilf_fields & | |
450 | (XFS_ILOG_ADATA | XFS_ILOG_ABROOT))); | |
451 | if (iip->ili_format.ilf_fields & XFS_ILOG_AEXT) { | |
1da177e4 | 452 | #ifdef DEBUG |
73523a2e | 453 | int nrecs = ip->i_afp->if_bytes / |
1da177e4 | 454 | (uint)sizeof(xfs_bmbt_rec_t); |
1da177e4 LT |
455 | ASSERT(nrecs > 0); |
456 | ASSERT(nrecs == ip->i_d.di_anextents); | |
73523a2e CH |
457 | ASSERT(ip->i_afp->if_bytes > 0); |
458 | ASSERT(ip->i_afp->if_u1.if_extents != NULL); | |
459 | ASSERT(ip->i_d.di_anextents > 0); | |
460 | #endif | |
f016bad6 | 461 | #ifdef XFS_NATIVE_HOST |
1da177e4 LT |
462 | /* |
463 | * There are not delayed allocation extents | |
464 | * for attributes, so just point at the array. | |
465 | */ | |
4e0d5f92 | 466 | vecp->i_addr = ip->i_afp->if_u1.if_extents; |
1da177e4 | 467 | vecp->i_len = ip->i_afp->if_bytes; |
e828776a | 468 | vecp->i_type = XLOG_REG_TYPE_IATTR_EXT; |
1da177e4 LT |
469 | #else |
470 | ASSERT(iip->ili_aextents_buf == NULL); | |
e828776a DC |
471 | xfs_inode_item_format_extents(ip, vecp, |
472 | XFS_ATTR_FORK, XLOG_REG_TYPE_IATTR_EXT); | |
1da177e4 LT |
473 | #endif |
474 | iip->ili_format.ilf_asize = vecp->i_len; | |
475 | vecp++; | |
476 | nvecs++; | |
477 | } | |
478 | break; | |
479 | ||
480 | case XFS_DINODE_FMT_BTREE: | |
481 | ASSERT(!(iip->ili_format.ilf_fields & | |
482 | (XFS_ILOG_ADATA | XFS_ILOG_AEXT))); | |
483 | if (iip->ili_format.ilf_fields & XFS_ILOG_ABROOT) { | |
484 | ASSERT(ip->i_afp->if_broot_bytes > 0); | |
485 | ASSERT(ip->i_afp->if_broot != NULL); | |
4e0d5f92 | 486 | vecp->i_addr = ip->i_afp->if_broot; |
1da177e4 | 487 | vecp->i_len = ip->i_afp->if_broot_bytes; |
4139b3b3 | 488 | vecp->i_type = XLOG_REG_TYPE_IATTR_BROOT; |
1da177e4 LT |
489 | vecp++; |
490 | nvecs++; | |
491 | iip->ili_format.ilf_asize = ip->i_afp->if_broot_bytes; | |
492 | } | |
493 | break; | |
494 | ||
495 | case XFS_DINODE_FMT_LOCAL: | |
496 | ASSERT(!(iip->ili_format.ilf_fields & | |
497 | (XFS_ILOG_ABROOT | XFS_ILOG_AEXT))); | |
498 | if (iip->ili_format.ilf_fields & XFS_ILOG_ADATA) { | |
499 | ASSERT(ip->i_afp->if_bytes > 0); | |
500 | ASSERT(ip->i_afp->if_u1.if_data != NULL); | |
501 | ||
4e0d5f92 | 502 | vecp->i_addr = ip->i_afp->if_u1.if_data; |
1da177e4 LT |
503 | /* |
504 | * Round i_bytes up to a word boundary. | |
505 | * The underlying memory is guaranteed to | |
506 | * to be there by xfs_idata_realloc(). | |
507 | */ | |
508 | data_bytes = roundup(ip->i_afp->if_bytes, 4); | |
509 | ASSERT((ip->i_afp->if_real_bytes == 0) || | |
510 | (ip->i_afp->if_real_bytes == data_bytes)); | |
511 | vecp->i_len = (int)data_bytes; | |
4139b3b3 | 512 | vecp->i_type = XLOG_REG_TYPE_IATTR_LOCAL; |
1da177e4 LT |
513 | vecp++; |
514 | nvecs++; | |
515 | iip->ili_format.ilf_asize = (unsigned)data_bytes; | |
516 | } | |
517 | break; | |
518 | ||
519 | default: | |
520 | ASSERT(0); | |
521 | break; | |
522 | } | |
523 | ||
7bfa31d8 | 524 | ASSERT(nvecs == lip->li_desc->lid_size); |
1da177e4 LT |
525 | iip->ili_format.ilf_size = nvecs; |
526 | } | |
527 | ||
528 | ||
529 | /* | |
530 | * This is called to pin the inode associated with the inode log | |
a14a5ab5 | 531 | * item in memory so it cannot be written out. |
1da177e4 LT |
532 | */ |
533 | STATIC void | |
534 | xfs_inode_item_pin( | |
7bfa31d8 | 535 | struct xfs_log_item *lip) |
1da177e4 | 536 | { |
7bfa31d8 | 537 | struct xfs_inode *ip = INODE_ITEM(lip)->ili_inode; |
a14a5ab5 | 538 | |
7bfa31d8 CH |
539 | ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); |
540 | ||
541 | trace_xfs_inode_pin(ip, _RET_IP_); | |
542 | atomic_inc(&ip->i_pincount); | |
1da177e4 LT |
543 | } |
544 | ||
545 | ||
546 | /* | |
547 | * This is called to unpin the inode associated with the inode log | |
548 | * item which was previously pinned with a call to xfs_inode_item_pin(). | |
a14a5ab5 CH |
549 | * |
550 | * Also wake up anyone in xfs_iunpin_wait() if the count goes to 0. | |
1da177e4 | 551 | */ |
1da177e4 LT |
552 | STATIC void |
553 | xfs_inode_item_unpin( | |
7bfa31d8 | 554 | struct xfs_log_item *lip, |
9412e318 | 555 | int remove) |
1da177e4 | 556 | { |
7bfa31d8 | 557 | struct xfs_inode *ip = INODE_ITEM(lip)->ili_inode; |
a14a5ab5 | 558 | |
4aaf15d1 | 559 | trace_xfs_inode_unpin(ip, _RET_IP_); |
a14a5ab5 CH |
560 | ASSERT(atomic_read(&ip->i_pincount) > 0); |
561 | if (atomic_dec_and_test(&ip->i_pincount)) | |
562 | wake_up(&ip->i_ipin_wait); | |
1da177e4 LT |
563 | } |
564 | ||
1da177e4 LT |
565 | /* |
566 | * This is called to attempt to lock the inode associated with this | |
567 | * inode log item, in preparation for the push routine which does the actual | |
568 | * iflush. Don't sleep on the inode lock or the flush lock. | |
569 | * | |
570 | * If the flush lock is already held, indicating that the inode has | |
571 | * been or is in the process of being flushed, then (ideally) we'd like to | |
572 | * see if the inode's buffer is still incore, and if so give it a nudge. | |
573 | * We delay doing so until the pushbuf routine, though, to avoid holding | |
c41564b5 | 574 | * the AIL lock across a call to the blackhole which is the buffer cache. |
1da177e4 LT |
575 | * Also we don't want to sleep in any device strategy routines, which can happen |
576 | * if we do the subsequent bawrite in here. | |
577 | */ | |
578 | STATIC uint | |
579 | xfs_inode_item_trylock( | |
7bfa31d8 | 580 | struct xfs_log_item *lip) |
1da177e4 | 581 | { |
7bfa31d8 CH |
582 | struct xfs_inode_log_item *iip = INODE_ITEM(lip); |
583 | struct xfs_inode *ip = iip->ili_inode; | |
1da177e4 | 584 | |
7bfa31d8 | 585 | if (xfs_ipincount(ip) > 0) |
1da177e4 | 586 | return XFS_ITEM_PINNED; |
1da177e4 | 587 | |
7bfa31d8 | 588 | if (!xfs_ilock_nowait(ip, XFS_ILOCK_SHARED)) |
1da177e4 | 589 | return XFS_ITEM_LOCKED; |
1da177e4 LT |
590 | |
591 | if (!xfs_iflock_nowait(ip)) { | |
592 | /* | |
d808f617 DC |
593 | * inode has already been flushed to the backing buffer, |
594 | * leave it locked in shared mode, pushbuf routine will | |
595 | * unlock it. | |
1da177e4 | 596 | */ |
d808f617 | 597 | return XFS_ITEM_PUSHBUF; |
1da177e4 LT |
598 | } |
599 | ||
600 | /* Stale items should force out the iclog */ | |
601 | if (ip->i_flags & XFS_ISTALE) { | |
602 | xfs_ifunlock(ip); | |
d808f617 DC |
603 | /* |
604 | * we hold the AIL lock - notify the unlock routine of this | |
605 | * so it doesn't try to get the lock again. | |
606 | */ | |
1da177e4 LT |
607 | xfs_iunlock(ip, XFS_ILOCK_SHARED|XFS_IUNLOCK_NONOTIFY); |
608 | return XFS_ITEM_PINNED; | |
609 | } | |
610 | ||
611 | #ifdef DEBUG | |
612 | if (!XFS_FORCED_SHUTDOWN(ip->i_mount)) { | |
613 | ASSERT(iip->ili_format.ilf_fields != 0); | |
614 | ASSERT(iip->ili_logged == 0); | |
7bfa31d8 | 615 | ASSERT(lip->li_flags & XFS_LI_IN_AIL); |
1da177e4 LT |
616 | } |
617 | #endif | |
618 | return XFS_ITEM_SUCCESS; | |
619 | } | |
620 | ||
621 | /* | |
622 | * Unlock the inode associated with the inode log item. | |
623 | * Clear the fields of the inode and inode log item that | |
624 | * are specific to the current transaction. If the | |
625 | * hold flags is set, do not unlock the inode. | |
626 | */ | |
627 | STATIC void | |
628 | xfs_inode_item_unlock( | |
7bfa31d8 | 629 | struct xfs_log_item *lip) |
1da177e4 | 630 | { |
7bfa31d8 CH |
631 | struct xfs_inode_log_item *iip = INODE_ITEM(lip); |
632 | struct xfs_inode *ip = iip->ili_inode; | |
898621d5 | 633 | unsigned short lock_flags; |
1da177e4 | 634 | |
f3ca8738 CH |
635 | ASSERT(ip->i_itemp != NULL); |
636 | ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); | |
1da177e4 LT |
637 | |
638 | /* | |
639 | * If the inode needed a separate buffer with which to log | |
640 | * its extents, then free it now. | |
641 | */ | |
642 | if (iip->ili_extents_buf != NULL) { | |
643 | ASSERT(ip->i_d.di_format == XFS_DINODE_FMT_EXTENTS); | |
644 | ASSERT(ip->i_d.di_nextents > 0); | |
645 | ASSERT(iip->ili_format.ilf_fields & XFS_ILOG_DEXT); | |
646 | ASSERT(ip->i_df.if_bytes > 0); | |
f0e2d93c | 647 | kmem_free(iip->ili_extents_buf); |
1da177e4 LT |
648 | iip->ili_extents_buf = NULL; |
649 | } | |
650 | if (iip->ili_aextents_buf != NULL) { | |
651 | ASSERT(ip->i_d.di_aformat == XFS_DINODE_FMT_EXTENTS); | |
652 | ASSERT(ip->i_d.di_anextents > 0); | |
653 | ASSERT(iip->ili_format.ilf_fields & XFS_ILOG_AEXT); | |
654 | ASSERT(ip->i_afp->if_bytes > 0); | |
f0e2d93c | 655 | kmem_free(iip->ili_aextents_buf); |
1da177e4 LT |
656 | iip->ili_aextents_buf = NULL; |
657 | } | |
658 | ||
898621d5 CH |
659 | lock_flags = iip->ili_lock_flags; |
660 | iip->ili_lock_flags = 0; | |
ddc3415a | 661 | if (lock_flags) |
f3ca8738 | 662 | xfs_iunlock(ip, lock_flags); |
1da177e4 LT |
663 | } |
664 | ||
665 | /* | |
de25c181 DC |
666 | * This is called to find out where the oldest active copy of the inode log |
667 | * item in the on disk log resides now that the last log write of it completed | |
668 | * at the given lsn. Since we always re-log all dirty data in an inode, the | |
669 | * latest copy in the on disk log is the only one that matters. Therefore, | |
670 | * simply return the given lsn. | |
671 | * | |
672 | * If the inode has been marked stale because the cluster is being freed, we | |
673 | * don't want to (re-)insert this inode into the AIL. There is a race condition | |
674 | * where the cluster buffer may be unpinned before the inode is inserted into | |
675 | * the AIL during transaction committed processing. If the buffer is unpinned | |
676 | * before the inode item has been committed and inserted, then it is possible | |
1316d4da | 677 | * for the buffer to be written and IO completes before the inode is inserted |
de25c181 DC |
678 | * into the AIL. In that case, we'd be inserting a clean, stale inode into the |
679 | * AIL which will never get removed. It will, however, get reclaimed which | |
680 | * triggers an assert in xfs_inode_free() complaining about freein an inode | |
681 | * still in the AIL. | |
682 | * | |
1316d4da DC |
683 | * To avoid this, just unpin the inode directly and return a LSN of -1 so the |
684 | * transaction committed code knows that it does not need to do any further | |
685 | * processing on the item. | |
1da177e4 | 686 | */ |
1da177e4 LT |
687 | STATIC xfs_lsn_t |
688 | xfs_inode_item_committed( | |
7bfa31d8 | 689 | struct xfs_log_item *lip, |
1da177e4 LT |
690 | xfs_lsn_t lsn) |
691 | { | |
de25c181 DC |
692 | struct xfs_inode_log_item *iip = INODE_ITEM(lip); |
693 | struct xfs_inode *ip = iip->ili_inode; | |
694 | ||
1316d4da DC |
695 | if (xfs_iflags_test(ip, XFS_ISTALE)) { |
696 | xfs_inode_item_unpin(lip, 0); | |
697 | return -1; | |
698 | } | |
7bfa31d8 | 699 | return lsn; |
1da177e4 LT |
700 | } |
701 | ||
1da177e4 LT |
702 | /* |
703 | * This gets called by xfs_trans_push_ail(), when IOP_TRYLOCK | |
704 | * failed to get the inode flush lock but did get the inode locked SHARED. | |
705 | * Here we're trying to see if the inode buffer is incore, and if so whether it's | |
d808f617 DC |
706 | * marked delayed write. If that's the case, we'll promote it and that will |
707 | * allow the caller to write the buffer by triggering the xfsbufd to run. | |
1da177e4 | 708 | */ |
17b38471 | 709 | STATIC bool |
1da177e4 | 710 | xfs_inode_item_pushbuf( |
7bfa31d8 | 711 | struct xfs_log_item *lip) |
1da177e4 | 712 | { |
7bfa31d8 CH |
713 | struct xfs_inode_log_item *iip = INODE_ITEM(lip); |
714 | struct xfs_inode *ip = iip->ili_inode; | |
715 | struct xfs_buf *bp; | |
17b38471 | 716 | bool ret = true; |
1da177e4 | 717 | |
579aa9ca | 718 | ASSERT(xfs_isilocked(ip, XFS_ILOCK_SHARED)); |
1da177e4 | 719 | |
1da177e4 | 720 | /* |
c63942d3 DC |
721 | * If a flush is not in progress anymore, chances are that the |
722 | * inode was taken off the AIL. So, just get out. | |
1da177e4 | 723 | */ |
c63942d3 | 724 | if (completion_done(&ip->i_flush) || |
7bfa31d8 | 725 | !(lip->li_flags & XFS_LI_IN_AIL)) { |
1da177e4 | 726 | xfs_iunlock(ip, XFS_ILOCK_SHARED); |
17b38471 | 727 | return true; |
1da177e4 LT |
728 | } |
729 | ||
7bfa31d8 CH |
730 | bp = xfs_incore(ip->i_mount->m_ddev_targp, iip->ili_format.ilf_blkno, |
731 | iip->ili_format.ilf_len, XBF_TRYLOCK); | |
1da177e4 | 732 | |
1da177e4 | 733 | xfs_iunlock(ip, XFS_ILOCK_SHARED); |
d808f617 | 734 | if (!bp) |
17b38471 | 735 | return true; |
d808f617 DC |
736 | if (XFS_BUF_ISDELAYWRITE(bp)) |
737 | xfs_buf_delwri_promote(bp); | |
17b38471 CH |
738 | if (xfs_buf_ispinned(bp)) |
739 | ret = false; | |
d808f617 | 740 | xfs_buf_relse(bp); |
17b38471 | 741 | return ret; |
1da177e4 LT |
742 | } |
743 | ||
1da177e4 LT |
744 | /* |
745 | * This is called to asynchronously write the inode associated with this | |
746 | * inode log item out to disk. The inode will already have been locked by | |
747 | * a successful call to xfs_inode_item_trylock(). | |
748 | */ | |
749 | STATIC void | |
750 | xfs_inode_item_push( | |
7bfa31d8 | 751 | struct xfs_log_item *lip) |
1da177e4 | 752 | { |
7bfa31d8 CH |
753 | struct xfs_inode_log_item *iip = INODE_ITEM(lip); |
754 | struct xfs_inode *ip = iip->ili_inode; | |
1da177e4 | 755 | |
579aa9ca | 756 | ASSERT(xfs_isilocked(ip, XFS_ILOCK_SHARED)); |
c63942d3 | 757 | ASSERT(!completion_done(&ip->i_flush)); |
7bfa31d8 | 758 | |
1da177e4 LT |
759 | /* |
760 | * Since we were able to lock the inode's flush lock and | |
761 | * we found it on the AIL, the inode must be dirty. This | |
762 | * is because the inode is removed from the AIL while still | |
763 | * holding the flush lock in xfs_iflush_done(). Thus, if | |
764 | * we found it in the AIL and were able to obtain the flush | |
765 | * lock without sleeping, then there must not have been | |
766 | * anyone in the process of flushing the inode. | |
767 | */ | |
768 | ASSERT(XFS_FORCED_SHUTDOWN(ip->i_mount) || | |
769 | iip->ili_format.ilf_fields != 0); | |
770 | ||
771 | /* | |
c854363e DC |
772 | * Push the inode to it's backing buffer. This will not remove the |
773 | * inode from the AIL - a further push will be required to trigger a | |
774 | * buffer push. However, this allows all the dirty inodes to be pushed | |
1bfd8d04 DC |
775 | * to the buffer before it is pushed to disk. The buffer IO completion |
776 | * will pull the inode from the AIL, mark it clean and unlock the flush | |
c854363e | 777 | * lock. |
1da177e4 | 778 | */ |
1bfd8d04 | 779 | (void) xfs_iflush(ip, SYNC_TRYLOCK); |
1da177e4 | 780 | xfs_iunlock(ip, XFS_ILOCK_SHARED); |
1da177e4 LT |
781 | } |
782 | ||
783 | /* | |
784 | * XXX rcc - this one really has to do something. Probably needs | |
785 | * to stamp in a new field in the incore inode. | |
786 | */ | |
1da177e4 LT |
787 | STATIC void |
788 | xfs_inode_item_committing( | |
7bfa31d8 | 789 | struct xfs_log_item *lip, |
1da177e4 LT |
790 | xfs_lsn_t lsn) |
791 | { | |
7bfa31d8 | 792 | INODE_ITEM(lip)->ili_last_lsn = lsn; |
1da177e4 LT |
793 | } |
794 | ||
795 | /* | |
796 | * This is the ops vector shared by all buf log items. | |
797 | */ | |
7989cb8e | 798 | static struct xfs_item_ops xfs_inode_item_ops = { |
7bfa31d8 CH |
799 | .iop_size = xfs_inode_item_size, |
800 | .iop_format = xfs_inode_item_format, | |
801 | .iop_pin = xfs_inode_item_pin, | |
802 | .iop_unpin = xfs_inode_item_unpin, | |
803 | .iop_trylock = xfs_inode_item_trylock, | |
804 | .iop_unlock = xfs_inode_item_unlock, | |
805 | .iop_committed = xfs_inode_item_committed, | |
806 | .iop_push = xfs_inode_item_push, | |
807 | .iop_pushbuf = xfs_inode_item_pushbuf, | |
808 | .iop_committing = xfs_inode_item_committing | |
1da177e4 LT |
809 | }; |
810 | ||
811 | ||
812 | /* | |
813 | * Initialize the inode log item for a newly allocated (in-core) inode. | |
814 | */ | |
815 | void | |
816 | xfs_inode_item_init( | |
7bfa31d8 CH |
817 | struct xfs_inode *ip, |
818 | struct xfs_mount *mp) | |
1da177e4 | 819 | { |
7bfa31d8 | 820 | struct xfs_inode_log_item *iip; |
1da177e4 LT |
821 | |
822 | ASSERT(ip->i_itemp == NULL); | |
823 | iip = ip->i_itemp = kmem_zone_zalloc(xfs_ili_zone, KM_SLEEP); | |
824 | ||
1da177e4 | 825 | iip->ili_inode = ip; |
43f5efc5 DC |
826 | xfs_log_item_init(mp, &iip->ili_item, XFS_LI_INODE, |
827 | &xfs_inode_item_ops); | |
1da177e4 LT |
828 | iip->ili_format.ilf_type = XFS_LI_INODE; |
829 | iip->ili_format.ilf_ino = ip->i_ino; | |
92bfc6e7 CH |
830 | iip->ili_format.ilf_blkno = ip->i_imap.im_blkno; |
831 | iip->ili_format.ilf_len = ip->i_imap.im_len; | |
832 | iip->ili_format.ilf_boffset = ip->i_imap.im_boffset; | |
1da177e4 LT |
833 | } |
834 | ||
835 | /* | |
836 | * Free the inode log item and any memory hanging off of it. | |
837 | */ | |
838 | void | |
839 | xfs_inode_item_destroy( | |
840 | xfs_inode_t *ip) | |
841 | { | |
842 | #ifdef XFS_TRANS_DEBUG | |
843 | if (ip->i_itemp->ili_root_size != 0) { | |
f0e2d93c | 844 | kmem_free(ip->i_itemp->ili_orig_root); |
1da177e4 LT |
845 | } |
846 | #endif | |
847 | kmem_zone_free(xfs_ili_zone, ip->i_itemp); | |
848 | } | |
849 | ||
850 | ||
851 | /* | |
852 | * This is the inode flushing I/O completion routine. It is called | |
853 | * from interrupt level when the buffer containing the inode is | |
854 | * flushed to disk. It is responsible for removing the inode item | |
855 | * from the AIL if it has not been re-logged, and unlocking the inode's | |
856 | * flush lock. | |
30136832 DC |
857 | * |
858 | * To reduce AIL lock traffic as much as possible, we scan the buffer log item | |
859 | * list for other inodes that will run this function. We remove them from the | |
860 | * buffer list so we can process all the inode IO completions in one AIL lock | |
861 | * traversal. | |
1da177e4 | 862 | */ |
1da177e4 LT |
863 | void |
864 | xfs_iflush_done( | |
ca30b2a7 CH |
865 | struct xfs_buf *bp, |
866 | struct xfs_log_item *lip) | |
1da177e4 | 867 | { |
30136832 DC |
868 | struct xfs_inode_log_item *iip; |
869 | struct xfs_log_item *blip; | |
870 | struct xfs_log_item *next; | |
871 | struct xfs_log_item *prev; | |
ca30b2a7 | 872 | struct xfs_ail *ailp = lip->li_ailp; |
30136832 DC |
873 | int need_ail = 0; |
874 | ||
875 | /* | |
876 | * Scan the buffer IO completions for other inodes being completed and | |
877 | * attach them to the current inode log item. | |
878 | */ | |
adadbeef | 879 | blip = bp->b_fspriv; |
30136832 DC |
880 | prev = NULL; |
881 | while (blip != NULL) { | |
882 | if (lip->li_cb != xfs_iflush_done) { | |
883 | prev = blip; | |
884 | blip = blip->li_bio_list; | |
885 | continue; | |
886 | } | |
887 | ||
888 | /* remove from list */ | |
889 | next = blip->li_bio_list; | |
890 | if (!prev) { | |
adadbeef | 891 | bp->b_fspriv = next; |
30136832 DC |
892 | } else { |
893 | prev->li_bio_list = next; | |
894 | } | |
895 | ||
896 | /* add to current list */ | |
897 | blip->li_bio_list = lip->li_bio_list; | |
898 | lip->li_bio_list = blip; | |
899 | ||
900 | /* | |
901 | * while we have the item, do the unlocked check for needing | |
902 | * the AIL lock. | |
903 | */ | |
904 | iip = INODE_ITEM(blip); | |
905 | if (iip->ili_logged && blip->li_lsn == iip->ili_flush_lsn) | |
906 | need_ail++; | |
907 | ||
908 | blip = next; | |
909 | } | |
910 | ||
911 | /* make sure we capture the state of the initial inode. */ | |
912 | iip = INODE_ITEM(lip); | |
913 | if (iip->ili_logged && lip->li_lsn == iip->ili_flush_lsn) | |
914 | need_ail++; | |
1da177e4 LT |
915 | |
916 | /* | |
917 | * We only want to pull the item from the AIL if it is | |
918 | * actually there and its location in the log has not | |
919 | * changed since we started the flush. Thus, we only bother | |
920 | * if the ili_logged flag is set and the inode's lsn has not | |
921 | * changed. First we check the lsn outside | |
922 | * the lock since it's cheaper, and then we recheck while | |
923 | * holding the lock before removing the inode from the AIL. | |
924 | */ | |
30136832 DC |
925 | if (need_ail) { |
926 | struct xfs_log_item *log_items[need_ail]; | |
927 | int i = 0; | |
783a2f65 | 928 | spin_lock(&ailp->xa_lock); |
30136832 DC |
929 | for (blip = lip; blip; blip = blip->li_bio_list) { |
930 | iip = INODE_ITEM(blip); | |
931 | if (iip->ili_logged && | |
932 | blip->li_lsn == iip->ili_flush_lsn) { | |
933 | log_items[i++] = blip; | |
934 | } | |
935 | ASSERT(i <= need_ail); | |
1da177e4 | 936 | } |
30136832 DC |
937 | /* xfs_trans_ail_delete_bulk() drops the AIL lock. */ |
938 | xfs_trans_ail_delete_bulk(ailp, log_items, i); | |
1da177e4 LT |
939 | } |
940 | ||
1da177e4 LT |
941 | |
942 | /* | |
30136832 DC |
943 | * clean up and unlock the flush lock now we are done. We can clear the |
944 | * ili_last_fields bits now that we know that the data corresponding to | |
945 | * them is safely on disk. | |
1da177e4 | 946 | */ |
30136832 DC |
947 | for (blip = lip; blip; blip = next) { |
948 | next = blip->li_bio_list; | |
949 | blip->li_bio_list = NULL; | |
950 | ||
951 | iip = INODE_ITEM(blip); | |
952 | iip->ili_logged = 0; | |
953 | iip->ili_last_fields = 0; | |
954 | xfs_ifunlock(iip->ili_inode); | |
955 | } | |
1da177e4 LT |
956 | } |
957 | ||
958 | /* | |
959 | * This is the inode flushing abort routine. It is called | |
960 | * from xfs_iflush when the filesystem is shutting down to clean | |
961 | * up the inode state. | |
962 | * It is responsible for removing the inode item | |
963 | * from the AIL if it has not been re-logged, and unlocking the inode's | |
964 | * flush lock. | |
965 | */ | |
966 | void | |
967 | xfs_iflush_abort( | |
968 | xfs_inode_t *ip) | |
969 | { | |
783a2f65 | 970 | xfs_inode_log_item_t *iip = ip->i_itemp; |
1da177e4 | 971 | |
1da177e4 | 972 | if (iip) { |
783a2f65 | 973 | struct xfs_ail *ailp = iip->ili_item.li_ailp; |
1da177e4 | 974 | if (iip->ili_item.li_flags & XFS_LI_IN_AIL) { |
783a2f65 | 975 | spin_lock(&ailp->xa_lock); |
1da177e4 | 976 | if (iip->ili_item.li_flags & XFS_LI_IN_AIL) { |
783a2f65 DC |
977 | /* xfs_trans_ail_delete() drops the AIL lock. */ |
978 | xfs_trans_ail_delete(ailp, (xfs_log_item_t *)iip); | |
1da177e4 | 979 | } else |
783a2f65 | 980 | spin_unlock(&ailp->xa_lock); |
1da177e4 LT |
981 | } |
982 | iip->ili_logged = 0; | |
983 | /* | |
984 | * Clear the ili_last_fields bits now that we know that the | |
985 | * data corresponding to them is safely on disk. | |
986 | */ | |
987 | iip->ili_last_fields = 0; | |
988 | /* | |
989 | * Clear the inode logging fields so no more flushes are | |
990 | * attempted. | |
991 | */ | |
992 | iip->ili_format.ilf_fields = 0; | |
993 | } | |
994 | /* | |
995 | * Release the inode's flush lock since we're done with it. | |
996 | */ | |
997 | xfs_ifunlock(ip); | |
998 | } | |
999 | ||
1000 | void | |
1001 | xfs_istale_done( | |
ca30b2a7 CH |
1002 | struct xfs_buf *bp, |
1003 | struct xfs_log_item *lip) | |
1da177e4 | 1004 | { |
ca30b2a7 | 1005 | xfs_iflush_abort(INODE_ITEM(lip)->ili_inode); |
1da177e4 | 1006 | } |
6d192a9b TS |
1007 | |
1008 | /* | |
1009 | * convert an xfs_inode_log_format struct from either 32 or 64 bit versions | |
1010 | * (which can have different field alignments) to the native version | |
1011 | */ | |
1012 | int | |
1013 | xfs_inode_item_format_convert( | |
1014 | xfs_log_iovec_t *buf, | |
1015 | xfs_inode_log_format_t *in_f) | |
1016 | { | |
1017 | if (buf->i_len == sizeof(xfs_inode_log_format_32_t)) { | |
4e0d5f92 | 1018 | xfs_inode_log_format_32_t *in_f32 = buf->i_addr; |
6d192a9b | 1019 | |
6d192a9b TS |
1020 | in_f->ilf_type = in_f32->ilf_type; |
1021 | in_f->ilf_size = in_f32->ilf_size; | |
1022 | in_f->ilf_fields = in_f32->ilf_fields; | |
1023 | in_f->ilf_asize = in_f32->ilf_asize; | |
1024 | in_f->ilf_dsize = in_f32->ilf_dsize; | |
1025 | in_f->ilf_ino = in_f32->ilf_ino; | |
1026 | /* copy biggest field of ilf_u */ | |
1027 | memcpy(in_f->ilf_u.ilfu_uuid.__u_bits, | |
1028 | in_f32->ilf_u.ilfu_uuid.__u_bits, | |
1029 | sizeof(uuid_t)); | |
1030 | in_f->ilf_blkno = in_f32->ilf_blkno; | |
1031 | in_f->ilf_len = in_f32->ilf_len; | |
1032 | in_f->ilf_boffset = in_f32->ilf_boffset; | |
1033 | return 0; | |
1034 | } else if (buf->i_len == sizeof(xfs_inode_log_format_64_t)){ | |
4e0d5f92 | 1035 | xfs_inode_log_format_64_t *in_f64 = buf->i_addr; |
6d192a9b | 1036 | |
6d192a9b TS |
1037 | in_f->ilf_type = in_f64->ilf_type; |
1038 | in_f->ilf_size = in_f64->ilf_size; | |
1039 | in_f->ilf_fields = in_f64->ilf_fields; | |
1040 | in_f->ilf_asize = in_f64->ilf_asize; | |
1041 | in_f->ilf_dsize = in_f64->ilf_dsize; | |
1042 | in_f->ilf_ino = in_f64->ilf_ino; | |
1043 | /* copy biggest field of ilf_u */ | |
1044 | memcpy(in_f->ilf_u.ilfu_uuid.__u_bits, | |
1045 | in_f64->ilf_u.ilfu_uuid.__u_bits, | |
1046 | sizeof(uuid_t)); | |
1047 | in_f->ilf_blkno = in_f64->ilf_blkno; | |
1048 | in_f->ilf_len = in_f64->ilf_len; | |
1049 | in_f->ilf_boffset = in_f64->ilf_boffset; | |
1050 | return 0; | |
1051 | } | |
1052 | return EFSCORRUPTED; | |
1053 | } |