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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Nathan Scott7b718762005-11-02 14:58:39 +11002 * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
3 * All Rights Reserved.
Linus Torvalds1da177e2005-04-16 15:20:36 -07004 *
Nathan Scott7b718762005-11-02 14:58:39 +11005 * 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 Torvalds1da177e2005-04-16 15:20:36 -07007 * published by the Free Software Foundation.
8 *
Nathan Scott7b718762005-11-02 14:58:39 +11009 * 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 Torvalds1da177e2005-04-16 15:20:36 -070013 *
Nathan Scott7b718762005-11-02 14:58:39 +110014 * 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 Torvalds1da177e2005-04-16 15:20:36 -070017 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070018#include "xfs.h"
Nathan Scotta844f452005-11-02 14:38:42 +110019#include "xfs_fs.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070020#include "xfs_types.h"
Nathan Scotta844f452005-11-02 14:38:42 +110021#include "xfs_bit.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070022#include "xfs_log.h"
Nathan Scotta844f452005-11-02 14:38:42 +110023#include "xfs_inum.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070024#include "xfs_trans.h"
25#include "xfs_buf_item.h"
26#include "xfs_sb.h"
Nathan Scotta844f452005-11-02 14:38:42 +110027#include "xfs_ag.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070028#include "xfs_dir2.h"
29#include "xfs_dmapi.h"
30#include "xfs_mount.h"
31#include "xfs_trans_priv.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070032#include "xfs_bmap_btree.h"
Nathan Scotta844f452005-11-02 14:38:42 +110033#include "xfs_alloc_btree.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070034#include "xfs_ialloc_btree.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070035#include "xfs_dir2_sf.h"
Nathan Scotta844f452005-11-02 14:38:42 +110036#include "xfs_attr_sf.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070037#include "xfs_dinode.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070038#include "xfs_inode.h"
Nathan Scotta844f452005-11-02 14:38:42 +110039#include "xfs_inode_item.h"
40#include "xfs_btree.h"
41#include "xfs_ialloc.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070042#include "xfs_rw.h"
David Chinnerdb7a19f2008-04-10 12:22:24 +100043#include "xfs_error.h"
Linus Torvalds1da177e2005-04-16 15:20:36 -070044
45
46kmem_zone_t *xfs_ili_zone; /* inode log item zone */
47
48/*
49 * This returns the number of iovecs needed to log the given inode item.
50 *
51 * We need one iovec for the inode log format structure, one for the
52 * inode core, and possibly one for the inode data/extents/b-tree root
53 * and one for the inode attribute data/extents/b-tree root.
54 */
55STATIC uint
56xfs_inode_item_size(
57 xfs_inode_log_item_t *iip)
58{
59 uint nvecs;
60 xfs_inode_t *ip;
61
62 ip = iip->ili_inode;
63 nvecs = 2;
64
65 /*
66 * Only log the data/extents/b-tree root if there is something
67 * left to log.
68 */
69 iip->ili_format.ilf_fields |= XFS_ILOG_CORE;
70
71 switch (ip->i_d.di_format) {
72 case XFS_DINODE_FMT_EXTENTS:
73 iip->ili_format.ilf_fields &=
74 ~(XFS_ILOG_DDATA | XFS_ILOG_DBROOT |
75 XFS_ILOG_DEV | XFS_ILOG_UUID);
76 if ((iip->ili_format.ilf_fields & XFS_ILOG_DEXT) &&
77 (ip->i_d.di_nextents > 0) &&
78 (ip->i_df.if_bytes > 0)) {
79 ASSERT(ip->i_df.if_u1.if_extents != NULL);
80 nvecs++;
81 } else {
82 iip->ili_format.ilf_fields &= ~XFS_ILOG_DEXT;
83 }
84 break;
85
86 case XFS_DINODE_FMT_BTREE:
87 ASSERT(ip->i_df.if_ext_max ==
88 XFS_IFORK_DSIZE(ip) / (uint)sizeof(xfs_bmbt_rec_t));
89 iip->ili_format.ilf_fields &=
90 ~(XFS_ILOG_DDATA | XFS_ILOG_DEXT |
91 XFS_ILOG_DEV | XFS_ILOG_UUID);
92 if ((iip->ili_format.ilf_fields & XFS_ILOG_DBROOT) &&
93 (ip->i_df.if_broot_bytes > 0)) {
94 ASSERT(ip->i_df.if_broot != NULL);
95 nvecs++;
96 } else {
97 ASSERT(!(iip->ili_format.ilf_fields &
98 XFS_ILOG_DBROOT));
99#ifdef XFS_TRANS_DEBUG
100 if (iip->ili_root_size > 0) {
101 ASSERT(iip->ili_root_size ==
102 ip->i_df.if_broot_bytes);
103 ASSERT(memcmp(iip->ili_orig_root,
104 ip->i_df.if_broot,
105 iip->ili_root_size) == 0);
106 } else {
107 ASSERT(ip->i_df.if_broot_bytes == 0);
108 }
109#endif
110 iip->ili_format.ilf_fields &= ~XFS_ILOG_DBROOT;
111 }
112 break;
113
114 case XFS_DINODE_FMT_LOCAL:
115 iip->ili_format.ilf_fields &=
116 ~(XFS_ILOG_DEXT | XFS_ILOG_DBROOT |
117 XFS_ILOG_DEV | XFS_ILOG_UUID);
118 if ((iip->ili_format.ilf_fields & XFS_ILOG_DDATA) &&
119 (ip->i_df.if_bytes > 0)) {
120 ASSERT(ip->i_df.if_u1.if_data != NULL);
121 ASSERT(ip->i_d.di_size > 0);
122 nvecs++;
123 } else {
124 iip->ili_format.ilf_fields &= ~XFS_ILOG_DDATA;
125 }
126 break;
127
128 case XFS_DINODE_FMT_DEV:
129 iip->ili_format.ilf_fields &=
130 ~(XFS_ILOG_DDATA | XFS_ILOG_DBROOT |
131 XFS_ILOG_DEXT | XFS_ILOG_UUID);
132 break;
133
134 case XFS_DINODE_FMT_UUID:
135 iip->ili_format.ilf_fields &=
136 ~(XFS_ILOG_DDATA | XFS_ILOG_DBROOT |
137 XFS_ILOG_DEXT | XFS_ILOG_DEV);
138 break;
139
140 default:
141 ASSERT(0);
142 break;
143 }
144
145 /*
146 * If there are no attributes associated with this file,
147 * then there cannot be anything more to log.
148 * Clear all attribute-related log flags.
149 */
150 if (!XFS_IFORK_Q(ip)) {
151 iip->ili_format.ilf_fields &=
152 ~(XFS_ILOG_ADATA | XFS_ILOG_ABROOT | XFS_ILOG_AEXT);
153 return nvecs;
154 }
155
156 /*
157 * Log any necessary attribute data.
158 */
159 switch (ip->i_d.di_aformat) {
160 case XFS_DINODE_FMT_EXTENTS:
161 iip->ili_format.ilf_fields &=
162 ~(XFS_ILOG_ADATA | XFS_ILOG_ABROOT);
163 if ((iip->ili_format.ilf_fields & XFS_ILOG_AEXT) &&
164 (ip->i_d.di_anextents > 0) &&
165 (ip->i_afp->if_bytes > 0)) {
166 ASSERT(ip->i_afp->if_u1.if_extents != NULL);
167 nvecs++;
168 } else {
169 iip->ili_format.ilf_fields &= ~XFS_ILOG_AEXT;
170 }
171 break;
172
173 case XFS_DINODE_FMT_BTREE:
174 iip->ili_format.ilf_fields &=
175 ~(XFS_ILOG_ADATA | XFS_ILOG_AEXT);
176 if ((iip->ili_format.ilf_fields & XFS_ILOG_ABROOT) &&
177 (ip->i_afp->if_broot_bytes > 0)) {
178 ASSERT(ip->i_afp->if_broot != NULL);
179 nvecs++;
180 } else {
181 iip->ili_format.ilf_fields &= ~XFS_ILOG_ABROOT;
182 }
183 break;
184
185 case XFS_DINODE_FMT_LOCAL:
186 iip->ili_format.ilf_fields &=
187 ~(XFS_ILOG_AEXT | XFS_ILOG_ABROOT);
188 if ((iip->ili_format.ilf_fields & XFS_ILOG_ADATA) &&
189 (ip->i_afp->if_bytes > 0)) {
190 ASSERT(ip->i_afp->if_u1.if_data != NULL);
191 nvecs++;
192 } else {
193 iip->ili_format.ilf_fields &= ~XFS_ILOG_ADATA;
194 }
195 break;
196
197 default:
198 ASSERT(0);
199 break;
200 }
201
202 return nvecs;
203}
204
205/*
206 * This is called to fill in the vector of log iovecs for the
207 * given inode log item. It fills the first item with an inode
208 * log format structure, the second with the on-disk inode structure,
209 * and a possible third and/or fourth with the inode data/extents/b-tree
210 * root and inode attributes data/extents/b-tree root.
211 */
212STATIC void
213xfs_inode_item_format(
214 xfs_inode_log_item_t *iip,
215 xfs_log_iovec_t *log_vector)
216{
217 uint nvecs;
218 xfs_log_iovec_t *vecp;
219 xfs_inode_t *ip;
220 size_t data_bytes;
221 xfs_bmbt_rec_t *ext_buffer;
222 int nrecs;
223 xfs_mount_t *mp;
224
225 ip = iip->ili_inode;
226 vecp = log_vector;
227
228 vecp->i_addr = (xfs_caddr_t)&iip->ili_format;
229 vecp->i_len = sizeof(xfs_inode_log_format_t);
Tim Shimmin7e9c6392005-09-02 16:42:05 +1000230 XLOG_VEC_SET_TYPE(vecp, XLOG_REG_TYPE_IFORMAT);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700231 vecp++;
232 nvecs = 1;
233
234 /*
235 * Clear i_update_core if the timestamps (or any other
236 * non-transactional modification) need flushing/logging
237 * and we're about to log them with the rest of the core.
238 *
239 * This is the same logic as xfs_iflush() but this code can't
240 * run at the same time as xfs_iflush because we're in commit
241 * processing here and so we have the inode lock held in
242 * exclusive mode. Although it doesn't really matter
243 * for the timestamps if both routines were to grab the
244 * timestamps or not. That would be ok.
245 *
246 * We clear i_update_core before copying out the data.
247 * This is for coordination with our timestamp updates
248 * that don't hold the inode lock. They will always
249 * update the timestamps BEFORE setting i_update_core,
250 * so if we clear i_update_core after they set it we
251 * are guaranteed to see their updates to the timestamps
252 * either here. Likewise, if they set it after we clear it
253 * here, we'll see it either on the next commit of this
254 * inode or the next time the inode gets flushed via
255 * xfs_iflush(). This depends on strongly ordered memory
256 * semantics, but we have that. We use the SYNCHRONIZE
257 * macro to make sure that the compiler does not reorder
258 * the i_update_core access below the data copy below.
259 */
260 if (ip->i_update_core) {
261 ip->i_update_core = 0;
262 SYNCHRONIZE();
263 }
264
265 /*
266 * We don't have to worry about re-ordering here because
267 * the update_size field is protected by the inode lock
268 * and we have that held in exclusive mode.
269 */
270 if (ip->i_update_size)
271 ip->i_update_size = 0;
272
Christoph Hellwig42fe2b12006-01-11 15:35:17 +1100273 /*
274 * Make sure to get the latest atime from the Linux inode.
275 */
276 xfs_synchronize_atime(ip);
277
David Chinner5d51eff2007-11-23 16:29:18 +1100278 /*
279 * make sure the linux inode is dirty
280 */
281 xfs_mark_inode_dirty_sync(ip);
282
Linus Torvalds1da177e2005-04-16 15:20:36 -0700283 vecp->i_addr = (xfs_caddr_t)&ip->i_d;
Christoph Hellwig81591fe2008-11-28 14:23:39 +1100284 vecp->i_len = sizeof(struct xfs_icdinode);
Tim Shimmin7e9c6392005-09-02 16:42:05 +1000285 XLOG_VEC_SET_TYPE(vecp, XLOG_REG_TYPE_ICORE);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700286 vecp++;
287 nvecs++;
288 iip->ili_format.ilf_fields |= XFS_ILOG_CORE;
289
290 /*
291 * If this is really an old format inode, then we need to
292 * log it as such. This means that we have to copy the link
293 * count from the new field to the old. We don't have to worry
294 * about the new fields, because nothing trusts them as long as
295 * the old inode version number is there. If the superblock already
296 * has a new version number, then we don't bother converting back.
297 */
298 mp = ip->i_mount;
Christoph Hellwig51ce16d2008-11-28 14:23:39 +1100299 ASSERT(ip->i_d.di_version == 1 || xfs_sb_version_hasnlink(&mp->m_sb));
300 if (ip->i_d.di_version == 1) {
Eric Sandeen62118702008-03-06 13:44:28 +1100301 if (!xfs_sb_version_hasnlink(&mp->m_sb)) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700302 /*
303 * Convert it back.
304 */
305 ASSERT(ip->i_d.di_nlink <= XFS_MAXLINK_1);
306 ip->i_d.di_onlink = ip->i_d.di_nlink;
307 } else {
308 /*
309 * The superblock version has already been bumped,
310 * so just make the conversion to the new inode
311 * format permanent.
312 */
Christoph Hellwig51ce16d2008-11-28 14:23:39 +1100313 ip->i_d.di_version = 2;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700314 ip->i_d.di_onlink = 0;
315 memset(&(ip->i_d.di_pad[0]), 0, sizeof(ip->i_d.di_pad));
316 }
317 }
318
319 switch (ip->i_d.di_format) {
320 case XFS_DINODE_FMT_EXTENTS:
321 ASSERT(!(iip->ili_format.ilf_fields &
322 (XFS_ILOG_DDATA | XFS_ILOG_DBROOT |
323 XFS_ILOG_DEV | XFS_ILOG_UUID)));
324 if (iip->ili_format.ilf_fields & XFS_ILOG_DEXT) {
325 ASSERT(ip->i_df.if_bytes > 0);
326 ASSERT(ip->i_df.if_u1.if_extents != NULL);
327 ASSERT(ip->i_d.di_nextents > 0);
328 ASSERT(iip->ili_extents_buf == NULL);
329 nrecs = ip->i_df.if_bytes /
330 (uint)sizeof(xfs_bmbt_rec_t);
331 ASSERT(nrecs > 0);
Nathan Scottf016bad2005-09-08 15:30:05 +1000332#ifdef XFS_NATIVE_HOST
Linus Torvalds1da177e2005-04-16 15:20:36 -0700333 if (nrecs == ip->i_d.di_nextents) {
334 /*
335 * There are no delayed allocation
336 * extents, so just point to the
337 * real extents array.
338 */
339 vecp->i_addr =
340 (char *)(ip->i_df.if_u1.if_extents);
341 vecp->i_len = ip->i_df.if_bytes;
Tim Shimmin7e9c6392005-09-02 16:42:05 +1000342 XLOG_VEC_SET_TYPE(vecp, XLOG_REG_TYPE_IEXT);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700343 } else
344#endif
345 {
346 /*
347 * There are delayed allocation extents
348 * in the inode, or we need to convert
349 * the extents to on disk format.
350 * Use xfs_iextents_copy()
351 * to copy only the real extents into
352 * a separate buffer. We'll free the
353 * buffer in the unlock routine.
354 */
355 ext_buffer = kmem_alloc(ip->i_df.if_bytes,
356 KM_SLEEP);
357 iip->ili_extents_buf = ext_buffer;
358 vecp->i_addr = (xfs_caddr_t)ext_buffer;
359 vecp->i_len = xfs_iextents_copy(ip, ext_buffer,
360 XFS_DATA_FORK);
Tim Shimmin7e9c6392005-09-02 16:42:05 +1000361 XLOG_VEC_SET_TYPE(vecp, XLOG_REG_TYPE_IEXT);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700362 }
363 ASSERT(vecp->i_len <= ip->i_df.if_bytes);
364 iip->ili_format.ilf_dsize = vecp->i_len;
365 vecp++;
366 nvecs++;
367 }
368 break;
369
370 case XFS_DINODE_FMT_BTREE:
371 ASSERT(!(iip->ili_format.ilf_fields &
372 (XFS_ILOG_DDATA | XFS_ILOG_DEXT |
373 XFS_ILOG_DEV | XFS_ILOG_UUID)));
374 if (iip->ili_format.ilf_fields & XFS_ILOG_DBROOT) {
375 ASSERT(ip->i_df.if_broot_bytes > 0);
376 ASSERT(ip->i_df.if_broot != NULL);
377 vecp->i_addr = (xfs_caddr_t)ip->i_df.if_broot;
378 vecp->i_len = ip->i_df.if_broot_bytes;
Tim Shimmin7e9c6392005-09-02 16:42:05 +1000379 XLOG_VEC_SET_TYPE(vecp, XLOG_REG_TYPE_IBROOT);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700380 vecp++;
381 nvecs++;
382 iip->ili_format.ilf_dsize = ip->i_df.if_broot_bytes;
383 }
384 break;
385
386 case XFS_DINODE_FMT_LOCAL:
387 ASSERT(!(iip->ili_format.ilf_fields &
388 (XFS_ILOG_DBROOT | XFS_ILOG_DEXT |
389 XFS_ILOG_DEV | XFS_ILOG_UUID)));
390 if (iip->ili_format.ilf_fields & XFS_ILOG_DDATA) {
391 ASSERT(ip->i_df.if_bytes > 0);
392 ASSERT(ip->i_df.if_u1.if_data != NULL);
393 ASSERT(ip->i_d.di_size > 0);
394
395 vecp->i_addr = (xfs_caddr_t)ip->i_df.if_u1.if_data;
396 /*
397 * Round i_bytes up to a word boundary.
398 * The underlying memory is guaranteed to
399 * to be there by xfs_idata_realloc().
400 */
401 data_bytes = roundup(ip->i_df.if_bytes, 4);
402 ASSERT((ip->i_df.if_real_bytes == 0) ||
403 (ip->i_df.if_real_bytes == data_bytes));
404 vecp->i_len = (int)data_bytes;
Tim Shimmin7e9c6392005-09-02 16:42:05 +1000405 XLOG_VEC_SET_TYPE(vecp, XLOG_REG_TYPE_ILOCAL);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700406 vecp++;
407 nvecs++;
408 iip->ili_format.ilf_dsize = (unsigned)data_bytes;
409 }
410 break;
411
412 case XFS_DINODE_FMT_DEV:
413 ASSERT(!(iip->ili_format.ilf_fields &
414 (XFS_ILOG_DBROOT | XFS_ILOG_DEXT |
415 XFS_ILOG_DDATA | XFS_ILOG_UUID)));
416 if (iip->ili_format.ilf_fields & XFS_ILOG_DEV) {
417 iip->ili_format.ilf_u.ilfu_rdev =
418 ip->i_df.if_u2.if_rdev;
419 }
420 break;
421
422 case XFS_DINODE_FMT_UUID:
423 ASSERT(!(iip->ili_format.ilf_fields &
424 (XFS_ILOG_DBROOT | XFS_ILOG_DEXT |
425 XFS_ILOG_DDATA | XFS_ILOG_DEV)));
426 if (iip->ili_format.ilf_fields & XFS_ILOG_UUID) {
427 iip->ili_format.ilf_u.ilfu_uuid =
428 ip->i_df.if_u2.if_uuid;
429 }
430 break;
431
432 default:
433 ASSERT(0);
434 break;
435 }
436
437 /*
438 * If there are no attributes associated with the file,
439 * then we're done.
440 * Assert that no attribute-related log flags are set.
441 */
442 if (!XFS_IFORK_Q(ip)) {
443 ASSERT(nvecs == iip->ili_item.li_desc->lid_size);
444 iip->ili_format.ilf_size = nvecs;
445 ASSERT(!(iip->ili_format.ilf_fields &
446 (XFS_ILOG_ADATA | XFS_ILOG_ABROOT | XFS_ILOG_AEXT)));
447 return;
448 }
449
450 switch (ip->i_d.di_aformat) {
451 case XFS_DINODE_FMT_EXTENTS:
452 ASSERT(!(iip->ili_format.ilf_fields &
453 (XFS_ILOG_ADATA | XFS_ILOG_ABROOT)));
454 if (iip->ili_format.ilf_fields & XFS_ILOG_AEXT) {
455 ASSERT(ip->i_afp->if_bytes > 0);
456 ASSERT(ip->i_afp->if_u1.if_extents != NULL);
457 ASSERT(ip->i_d.di_anextents > 0);
458#ifdef DEBUG
459 nrecs = ip->i_afp->if_bytes /
460 (uint)sizeof(xfs_bmbt_rec_t);
461#endif
462 ASSERT(nrecs > 0);
463 ASSERT(nrecs == ip->i_d.di_anextents);
Nathan Scottf016bad2005-09-08 15:30:05 +1000464#ifdef XFS_NATIVE_HOST
Linus Torvalds1da177e2005-04-16 15:20:36 -0700465 /*
466 * There are not delayed allocation extents
467 * for attributes, so just point at the array.
468 */
469 vecp->i_addr = (char *)(ip->i_afp->if_u1.if_extents);
470 vecp->i_len = ip->i_afp->if_bytes;
471#else
472 ASSERT(iip->ili_aextents_buf == NULL);
473 /*
474 * Need to endian flip before logging
475 */
476 ext_buffer = kmem_alloc(ip->i_afp->if_bytes,
477 KM_SLEEP);
478 iip->ili_aextents_buf = ext_buffer;
479 vecp->i_addr = (xfs_caddr_t)ext_buffer;
480 vecp->i_len = xfs_iextents_copy(ip, ext_buffer,
481 XFS_ATTR_FORK);
482#endif
Tim Shimmin7e9c6392005-09-02 16:42:05 +1000483 XLOG_VEC_SET_TYPE(vecp, XLOG_REG_TYPE_IATTR_EXT);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700484 iip->ili_format.ilf_asize = vecp->i_len;
485 vecp++;
486 nvecs++;
487 }
488 break;
489
490 case XFS_DINODE_FMT_BTREE:
491 ASSERT(!(iip->ili_format.ilf_fields &
492 (XFS_ILOG_ADATA | XFS_ILOG_AEXT)));
493 if (iip->ili_format.ilf_fields & XFS_ILOG_ABROOT) {
494 ASSERT(ip->i_afp->if_broot_bytes > 0);
495 ASSERT(ip->i_afp->if_broot != NULL);
496 vecp->i_addr = (xfs_caddr_t)ip->i_afp->if_broot;
497 vecp->i_len = ip->i_afp->if_broot_bytes;
Tim Shimmin7e9c6392005-09-02 16:42:05 +1000498 XLOG_VEC_SET_TYPE(vecp, XLOG_REG_TYPE_IATTR_BROOT);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700499 vecp++;
500 nvecs++;
501 iip->ili_format.ilf_asize = ip->i_afp->if_broot_bytes;
502 }
503 break;
504
505 case XFS_DINODE_FMT_LOCAL:
506 ASSERT(!(iip->ili_format.ilf_fields &
507 (XFS_ILOG_ABROOT | XFS_ILOG_AEXT)));
508 if (iip->ili_format.ilf_fields & XFS_ILOG_ADATA) {
509 ASSERT(ip->i_afp->if_bytes > 0);
510 ASSERT(ip->i_afp->if_u1.if_data != NULL);
511
512 vecp->i_addr = (xfs_caddr_t)ip->i_afp->if_u1.if_data;
513 /*
514 * Round i_bytes up to a word boundary.
515 * The underlying memory is guaranteed to
516 * to be there by xfs_idata_realloc().
517 */
518 data_bytes = roundup(ip->i_afp->if_bytes, 4);
519 ASSERT((ip->i_afp->if_real_bytes == 0) ||
520 (ip->i_afp->if_real_bytes == data_bytes));
521 vecp->i_len = (int)data_bytes;
Tim Shimmin7e9c6392005-09-02 16:42:05 +1000522 XLOG_VEC_SET_TYPE(vecp, XLOG_REG_TYPE_IATTR_LOCAL);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700523 vecp++;
524 nvecs++;
525 iip->ili_format.ilf_asize = (unsigned)data_bytes;
526 }
527 break;
528
529 default:
530 ASSERT(0);
531 break;
532 }
533
534 ASSERT(nvecs == iip->ili_item.li_desc->lid_size);
535 iip->ili_format.ilf_size = nvecs;
536}
537
538
539/*
540 * This is called to pin the inode associated with the inode log
541 * item in memory so it cannot be written out. Do this by calling
542 * xfs_ipin() to bump the pin count in the inode while holding the
543 * inode pin lock.
544 */
545STATIC void
546xfs_inode_item_pin(
547 xfs_inode_log_item_t *iip)
548{
Christoph Hellwig579aa9c2008-04-22 17:34:00 +1000549 ASSERT(xfs_isilocked(iip->ili_inode, XFS_ILOCK_EXCL));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700550 xfs_ipin(iip->ili_inode);
551}
552
553
554/*
555 * This is called to unpin the inode associated with the inode log
556 * item which was previously pinned with a call to xfs_inode_item_pin().
557 * Just call xfs_iunpin() on the inode to do this.
558 */
559/* ARGSUSED */
560STATIC void
561xfs_inode_item_unpin(
562 xfs_inode_log_item_t *iip,
563 int stale)
564{
565 xfs_iunpin(iip->ili_inode);
566}
567
568/* ARGSUSED */
569STATIC void
570xfs_inode_item_unpin_remove(
571 xfs_inode_log_item_t *iip,
572 xfs_trans_t *tp)
573{
574 xfs_iunpin(iip->ili_inode);
575}
576
577/*
578 * This is called to attempt to lock the inode associated with this
579 * inode log item, in preparation for the push routine which does the actual
580 * iflush. Don't sleep on the inode lock or the flush lock.
581 *
582 * If the flush lock is already held, indicating that the inode has
583 * been or is in the process of being flushed, then (ideally) we'd like to
584 * see if the inode's buffer is still incore, and if so give it a nudge.
585 * We delay doing so until the pushbuf routine, though, to avoid holding
Nathan Scottc41564b2006-03-29 08:55:14 +1000586 * the AIL lock across a call to the blackhole which is the buffer cache.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700587 * Also we don't want to sleep in any device strategy routines, which can happen
588 * if we do the subsequent bawrite in here.
589 */
590STATIC uint
591xfs_inode_item_trylock(
592 xfs_inode_log_item_t *iip)
593{
594 register xfs_inode_t *ip;
595
596 ip = iip->ili_inode;
597
598 if (xfs_ipincount(ip) > 0) {
599 return XFS_ITEM_PINNED;
600 }
601
602 if (!xfs_ilock_nowait(ip, XFS_ILOCK_SHARED)) {
603 return XFS_ITEM_LOCKED;
604 }
605
606 if (!xfs_iflock_nowait(ip)) {
607 /*
608 * If someone else isn't already trying to push the inode
609 * buffer, we get to do it.
610 */
611 if (iip->ili_pushbuf_flag == 0) {
612 iip->ili_pushbuf_flag = 1;
613#ifdef DEBUG
Nathan Scott3762ec62006-01-12 10:29:53 +1100614 iip->ili_push_owner = current_pid();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700615#endif
616 /*
617 * Inode is left locked in shared mode.
618 * Pushbuf routine gets to unlock it.
619 */
620 return XFS_ITEM_PUSHBUF;
621 } else {
622 /*
Donald Douwsma287f3da2007-10-11 17:36:05 +1000623 * We hold the AIL lock, so we must specify the
Linus Torvalds1da177e2005-04-16 15:20:36 -0700624 * NONOTIFY flag so that we won't double trip.
625 */
626 xfs_iunlock(ip, XFS_ILOCK_SHARED|XFS_IUNLOCK_NONOTIFY);
627 return XFS_ITEM_FLUSHING;
628 }
629 /* NOTREACHED */
630 }
631
632 /* Stale items should force out the iclog */
633 if (ip->i_flags & XFS_ISTALE) {
634 xfs_ifunlock(ip);
635 xfs_iunlock(ip, XFS_ILOCK_SHARED|XFS_IUNLOCK_NONOTIFY);
636 return XFS_ITEM_PINNED;
637 }
638
639#ifdef DEBUG
640 if (!XFS_FORCED_SHUTDOWN(ip->i_mount)) {
641 ASSERT(iip->ili_format.ilf_fields != 0);
642 ASSERT(iip->ili_logged == 0);
643 ASSERT(iip->ili_item.li_flags & XFS_LI_IN_AIL);
644 }
645#endif
646 return XFS_ITEM_SUCCESS;
647}
648
649/*
650 * Unlock the inode associated with the inode log item.
651 * Clear the fields of the inode and inode log item that
652 * are specific to the current transaction. If the
653 * hold flags is set, do not unlock the inode.
654 */
655STATIC void
656xfs_inode_item_unlock(
657 xfs_inode_log_item_t *iip)
658{
659 uint hold;
660 uint iolocked;
661 uint lock_flags;
662 xfs_inode_t *ip;
663
664 ASSERT(iip != NULL);
665 ASSERT(iip->ili_inode->i_itemp != NULL);
Christoph Hellwig579aa9c2008-04-22 17:34:00 +1000666 ASSERT(xfs_isilocked(iip->ili_inode, XFS_ILOCK_EXCL));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700667 ASSERT((!(iip->ili_inode->i_itemp->ili_flags &
668 XFS_ILI_IOLOCKED_EXCL)) ||
Christoph Hellwig579aa9c2008-04-22 17:34:00 +1000669 xfs_isilocked(iip->ili_inode, XFS_IOLOCK_EXCL));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700670 ASSERT((!(iip->ili_inode->i_itemp->ili_flags &
671 XFS_ILI_IOLOCKED_SHARED)) ||
Christoph Hellwig579aa9c2008-04-22 17:34:00 +1000672 xfs_isilocked(iip->ili_inode, XFS_IOLOCK_SHARED));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700673 /*
674 * Clear the transaction pointer in the inode.
675 */
676 ip = iip->ili_inode;
677 ip->i_transp = NULL;
678
679 /*
680 * If the inode needed a separate buffer with which to log
681 * its extents, then free it now.
682 */
683 if (iip->ili_extents_buf != NULL) {
684 ASSERT(ip->i_d.di_format == XFS_DINODE_FMT_EXTENTS);
685 ASSERT(ip->i_d.di_nextents > 0);
686 ASSERT(iip->ili_format.ilf_fields & XFS_ILOG_DEXT);
687 ASSERT(ip->i_df.if_bytes > 0);
Denys Vlasenkof0e2d932008-05-19 16:31:57 +1000688 kmem_free(iip->ili_extents_buf);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700689 iip->ili_extents_buf = NULL;
690 }
691 if (iip->ili_aextents_buf != NULL) {
692 ASSERT(ip->i_d.di_aformat == XFS_DINODE_FMT_EXTENTS);
693 ASSERT(ip->i_d.di_anextents > 0);
694 ASSERT(iip->ili_format.ilf_fields & XFS_ILOG_AEXT);
695 ASSERT(ip->i_afp->if_bytes > 0);
Denys Vlasenkof0e2d932008-05-19 16:31:57 +1000696 kmem_free(iip->ili_aextents_buf);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700697 iip->ili_aextents_buf = NULL;
698 }
699
700 /*
701 * Figure out if we should unlock the inode or not.
702 */
703 hold = iip->ili_flags & XFS_ILI_HOLD;
704
705 /*
706 * Before clearing out the flags, remember whether we
707 * are holding the inode's IO lock.
708 */
709 iolocked = iip->ili_flags & XFS_ILI_IOLOCKED_ANY;
710
711 /*
712 * Clear out the fields of the inode log item particular
713 * to the current transaction.
714 */
715 iip->ili_ilock_recur = 0;
716 iip->ili_iolock_recur = 0;
717 iip->ili_flags = 0;
718
719 /*
720 * Unlock the inode if XFS_ILI_HOLD was not set.
721 */
722 if (!hold) {
723 lock_flags = XFS_ILOCK_EXCL;
724 if (iolocked & XFS_ILI_IOLOCKED_EXCL) {
725 lock_flags |= XFS_IOLOCK_EXCL;
726 } else if (iolocked & XFS_ILI_IOLOCKED_SHARED) {
727 lock_flags |= XFS_IOLOCK_SHARED;
728 }
729 xfs_iput(iip->ili_inode, lock_flags);
730 }
731}
732
733/*
734 * This is called to find out where the oldest active copy of the
735 * inode log item in the on disk log resides now that the last log
736 * write of it completed at the given lsn. Since we always re-log
737 * all dirty data in an inode, the latest copy in the on disk log
738 * is the only one that matters. Therefore, simply return the
739 * given lsn.
740 */
741/*ARGSUSED*/
742STATIC xfs_lsn_t
743xfs_inode_item_committed(
744 xfs_inode_log_item_t *iip,
745 xfs_lsn_t lsn)
746{
747 return (lsn);
748}
749
750/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700751 * This gets called by xfs_trans_push_ail(), when IOP_TRYLOCK
752 * failed to get the inode flush lock but did get the inode locked SHARED.
753 * Here we're trying to see if the inode buffer is incore, and if so whether it's
754 * marked delayed write. If that's the case, we'll initiate a bawrite on that
755 * buffer to expedite the process.
756 *
Donald Douwsma287f3da2007-10-11 17:36:05 +1000757 * We aren't holding the AIL lock (or the flush lock) when this gets called,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700758 * so it is inherently race-y.
759 */
760STATIC void
761xfs_inode_item_pushbuf(
762 xfs_inode_log_item_t *iip)
763{
764 xfs_inode_t *ip;
765 xfs_mount_t *mp;
766 xfs_buf_t *bp;
767 uint dopush;
768
769 ip = iip->ili_inode;
770
Christoph Hellwig579aa9c2008-04-22 17:34:00 +1000771 ASSERT(xfs_isilocked(ip, XFS_ILOCK_SHARED));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700772
773 /*
774 * The ili_pushbuf_flag keeps others from
775 * trying to duplicate our effort.
776 */
777 ASSERT(iip->ili_pushbuf_flag != 0);
Nathan Scott3762ec62006-01-12 10:29:53 +1100778 ASSERT(iip->ili_push_owner == current_pid());
Linus Torvalds1da177e2005-04-16 15:20:36 -0700779
780 /*
David Chinnerc63942d2008-08-13 16:41:16 +1000781 * If a flush is not in progress anymore, chances are that the
782 * inode was taken off the AIL. So, just get out.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700783 */
David Chinnerc63942d2008-08-13 16:41:16 +1000784 if (completion_done(&ip->i_flush) ||
Linus Torvalds1da177e2005-04-16 15:20:36 -0700785 ((iip->ili_item.li_flags & XFS_LI_IN_AIL) == 0)) {
786 iip->ili_pushbuf_flag = 0;
787 xfs_iunlock(ip, XFS_ILOCK_SHARED);
788 return;
789 }
790
791 mp = ip->i_mount;
792 bp = xfs_incore(mp->m_ddev_targp, iip->ili_format.ilf_blkno,
793 iip->ili_format.ilf_len, XFS_INCORE_TRYLOCK);
794
795 if (bp != NULL) {
796 if (XFS_BUF_ISDELAYWRITE(bp)) {
797 /*
798 * We were racing with iflush because we don't hold
Donald Douwsma287f3da2007-10-11 17:36:05 +1000799 * the AIL lock or the flush lock. However, at this point,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700800 * we have the buffer, and we know that it's dirty.
801 * So, it's possible that iflush raced with us, and
802 * this item is already taken off the AIL.
803 * If not, we can flush it async.
804 */
805 dopush = ((iip->ili_item.li_flags & XFS_LI_IN_AIL) &&
David Chinnerc63942d2008-08-13 16:41:16 +1000806 !completion_done(&ip->i_flush));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700807 iip->ili_pushbuf_flag = 0;
808 xfs_iunlock(ip, XFS_ILOCK_SHARED);
809 xfs_buftrace("INODE ITEM PUSH", bp);
810 if (XFS_BUF_ISPINNED(bp)) {
811 xfs_log_force(mp, (xfs_lsn_t)0,
812 XFS_LOG_FORCE);
813 }
814 if (dopush) {
David Chinnerdb7a19f2008-04-10 12:22:24 +1000815 int error;
816 error = xfs_bawrite(mp, bp);
817 if (error)
818 xfs_fs_cmn_err(CE_WARN, mp,
819 "xfs_inode_item_pushbuf: pushbuf error %d on iip %p, bp %p",
820 error, iip, bp);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700821 } else {
822 xfs_buf_relse(bp);
823 }
824 } else {
825 iip->ili_pushbuf_flag = 0;
826 xfs_iunlock(ip, XFS_ILOCK_SHARED);
827 xfs_buf_relse(bp);
828 }
829 return;
830 }
831 /*
832 * We have to be careful about resetting pushbuf flag too early (above).
833 * Even though in theory we can do it as soon as we have the buflock,
834 * we don't want others to be doing work needlessly. They'll come to
835 * this function thinking that pushing the buffer is their
836 * responsibility only to find that the buffer is still locked by
837 * another doing the same thing
838 */
839 iip->ili_pushbuf_flag = 0;
840 xfs_iunlock(ip, XFS_ILOCK_SHARED);
841 return;
842}
843
844
845/*
846 * This is called to asynchronously write the inode associated with this
847 * inode log item out to disk. The inode will already have been locked by
848 * a successful call to xfs_inode_item_trylock().
849 */
850STATIC void
851xfs_inode_item_push(
852 xfs_inode_log_item_t *iip)
853{
854 xfs_inode_t *ip;
855
856 ip = iip->ili_inode;
857
Christoph Hellwig579aa9c2008-04-22 17:34:00 +1000858 ASSERT(xfs_isilocked(ip, XFS_ILOCK_SHARED));
David Chinnerc63942d2008-08-13 16:41:16 +1000859 ASSERT(!completion_done(&ip->i_flush));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700860 /*
861 * Since we were able to lock the inode's flush lock and
862 * we found it on the AIL, the inode must be dirty. This
863 * is because the inode is removed from the AIL while still
864 * holding the flush lock in xfs_iflush_done(). Thus, if
865 * we found it in the AIL and were able to obtain the flush
866 * lock without sleeping, then there must not have been
867 * anyone in the process of flushing the inode.
868 */
869 ASSERT(XFS_FORCED_SHUTDOWN(ip->i_mount) ||
870 iip->ili_format.ilf_fields != 0);
871
872 /*
873 * Write out the inode. The completion routine ('iflush_done') will
874 * pull it from the AIL, mark it clean, unlock the flush lock.
875 */
876 (void) xfs_iflush(ip, XFS_IFLUSH_ASYNC);
877 xfs_iunlock(ip, XFS_ILOCK_SHARED);
878
879 return;
880}
881
882/*
883 * XXX rcc - this one really has to do something. Probably needs
884 * to stamp in a new field in the incore inode.
885 */
886/* ARGSUSED */
887STATIC void
888xfs_inode_item_committing(
889 xfs_inode_log_item_t *iip,
890 xfs_lsn_t lsn)
891{
892 iip->ili_last_lsn = lsn;
893 return;
894}
895
896/*
897 * This is the ops vector shared by all buf log items.
898 */
David Chinner7989cb82007-02-10 18:34:56 +1100899static struct xfs_item_ops xfs_inode_item_ops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700900 .iop_size = (uint(*)(xfs_log_item_t*))xfs_inode_item_size,
901 .iop_format = (void(*)(xfs_log_item_t*, xfs_log_iovec_t*))
902 xfs_inode_item_format,
903 .iop_pin = (void(*)(xfs_log_item_t*))xfs_inode_item_pin,
904 .iop_unpin = (void(*)(xfs_log_item_t*, int))xfs_inode_item_unpin,
905 .iop_unpin_remove = (void(*)(xfs_log_item_t*, xfs_trans_t*))
906 xfs_inode_item_unpin_remove,
907 .iop_trylock = (uint(*)(xfs_log_item_t*))xfs_inode_item_trylock,
908 .iop_unlock = (void(*)(xfs_log_item_t*))xfs_inode_item_unlock,
909 .iop_committed = (xfs_lsn_t(*)(xfs_log_item_t*, xfs_lsn_t))
910 xfs_inode_item_committed,
911 .iop_push = (void(*)(xfs_log_item_t*))xfs_inode_item_push,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700912 .iop_pushbuf = (void(*)(xfs_log_item_t*))xfs_inode_item_pushbuf,
913 .iop_committing = (void(*)(xfs_log_item_t*, xfs_lsn_t))
914 xfs_inode_item_committing
915};
916
917
918/*
919 * Initialize the inode log item for a newly allocated (in-core) inode.
920 */
921void
922xfs_inode_item_init(
923 xfs_inode_t *ip,
924 xfs_mount_t *mp)
925{
926 xfs_inode_log_item_t *iip;
927
928 ASSERT(ip->i_itemp == NULL);
929 iip = ip->i_itemp = kmem_zone_zalloc(xfs_ili_zone, KM_SLEEP);
930
931 iip->ili_item.li_type = XFS_LI_INODE;
932 iip->ili_item.li_ops = &xfs_inode_item_ops;
933 iip->ili_item.li_mountp = mp;
David Chinnerfc1829f2008-10-30 17:39:46 +1100934 iip->ili_item.li_ailp = mp->m_ail;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700935 iip->ili_inode = ip;
936
937 /*
938 We have zeroed memory. No need ...
939 iip->ili_extents_buf = NULL;
940 iip->ili_pushbuf_flag = 0;
941 */
942
943 iip->ili_format.ilf_type = XFS_LI_INODE;
944 iip->ili_format.ilf_ino = ip->i_ino;
Christoph Hellwig92bfc6e2008-11-28 14:23:41 +1100945 iip->ili_format.ilf_blkno = ip->i_imap.im_blkno;
946 iip->ili_format.ilf_len = ip->i_imap.im_len;
947 iip->ili_format.ilf_boffset = ip->i_imap.im_boffset;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700948}
949
950/*
951 * Free the inode log item and any memory hanging off of it.
952 */
953void
954xfs_inode_item_destroy(
955 xfs_inode_t *ip)
956{
957#ifdef XFS_TRANS_DEBUG
958 if (ip->i_itemp->ili_root_size != 0) {
Denys Vlasenkof0e2d932008-05-19 16:31:57 +1000959 kmem_free(ip->i_itemp->ili_orig_root);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700960 }
961#endif
962 kmem_zone_free(xfs_ili_zone, ip->i_itemp);
963}
964
965
966/*
967 * This is the inode flushing I/O completion routine. It is called
968 * from interrupt level when the buffer containing the inode is
969 * flushed to disk. It is responsible for removing the inode item
970 * from the AIL if it has not been re-logged, and unlocking the inode's
971 * flush lock.
972 */
973/*ARGSUSED*/
974void
975xfs_iflush_done(
976 xfs_buf_t *bp,
977 xfs_inode_log_item_t *iip)
978{
David Chinner783a2f62008-10-30 17:39:58 +1100979 xfs_inode_t *ip = iip->ili_inode;
980 struct xfs_ail *ailp = iip->ili_item.li_ailp;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700981
982 /*
983 * We only want to pull the item from the AIL if it is
984 * actually there and its location in the log has not
985 * changed since we started the flush. Thus, we only bother
986 * if the ili_logged flag is set and the inode's lsn has not
987 * changed. First we check the lsn outside
988 * the lock since it's cheaper, and then we recheck while
989 * holding the lock before removing the inode from the AIL.
990 */
991 if (iip->ili_logged &&
992 (iip->ili_item.li_lsn == iip->ili_flush_lsn)) {
David Chinner783a2f62008-10-30 17:39:58 +1100993 spin_lock(&ailp->xa_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700994 if (iip->ili_item.li_lsn == iip->ili_flush_lsn) {
David Chinner783a2f62008-10-30 17:39:58 +1100995 /* xfs_trans_ail_delete() drops the AIL lock. */
996 xfs_trans_ail_delete(ailp, (xfs_log_item_t*)iip);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700997 } else {
David Chinner783a2f62008-10-30 17:39:58 +1100998 spin_unlock(&ailp->xa_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700999 }
1000 }
1001
1002 iip->ili_logged = 0;
1003
1004 /*
1005 * Clear the ili_last_fields bits now that we know that the
1006 * data corresponding to them is safely on disk.
1007 */
1008 iip->ili_last_fields = 0;
1009
1010 /*
1011 * Release the inode's flush lock since we're done with it.
1012 */
1013 xfs_ifunlock(ip);
1014
1015 return;
1016}
1017
1018/*
1019 * This is the inode flushing abort routine. It is called
1020 * from xfs_iflush when the filesystem is shutting down to clean
1021 * up the inode state.
1022 * It is responsible for removing the inode item
1023 * from the AIL if it has not been re-logged, and unlocking the inode's
1024 * flush lock.
1025 */
1026void
1027xfs_iflush_abort(
1028 xfs_inode_t *ip)
1029{
David Chinner783a2f62008-10-30 17:39:58 +11001030 xfs_inode_log_item_t *iip = ip->i_itemp;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001031 xfs_mount_t *mp;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001032
1033 iip = ip->i_itemp;
1034 mp = ip->i_mount;
1035 if (iip) {
David Chinner783a2f62008-10-30 17:39:58 +11001036 struct xfs_ail *ailp = iip->ili_item.li_ailp;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001037 if (iip->ili_item.li_flags & XFS_LI_IN_AIL) {
David Chinner783a2f62008-10-30 17:39:58 +11001038 spin_lock(&ailp->xa_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001039 if (iip->ili_item.li_flags & XFS_LI_IN_AIL) {
David Chinner783a2f62008-10-30 17:39:58 +11001040 /* xfs_trans_ail_delete() drops the AIL lock. */
1041 xfs_trans_ail_delete(ailp, (xfs_log_item_t *)iip);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001042 } else
David Chinner783a2f62008-10-30 17:39:58 +11001043 spin_unlock(&ailp->xa_lock);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001044 }
1045 iip->ili_logged = 0;
1046 /*
1047 * Clear the ili_last_fields bits now that we know that the
1048 * data corresponding to them is safely on disk.
1049 */
1050 iip->ili_last_fields = 0;
1051 /*
1052 * Clear the inode logging fields so no more flushes are
1053 * attempted.
1054 */
1055 iip->ili_format.ilf_fields = 0;
1056 }
1057 /*
1058 * Release the inode's flush lock since we're done with it.
1059 */
1060 xfs_ifunlock(ip);
1061}
1062
1063void
1064xfs_istale_done(
1065 xfs_buf_t *bp,
1066 xfs_inode_log_item_t *iip)
1067{
1068 xfs_iflush_abort(iip->ili_inode);
1069}
Tim Shimmin6d192a92006-06-09 14:55:38 +10001070
1071/*
1072 * convert an xfs_inode_log_format struct from either 32 or 64 bit versions
1073 * (which can have different field alignments) to the native version
1074 */
1075int
1076xfs_inode_item_format_convert(
1077 xfs_log_iovec_t *buf,
1078 xfs_inode_log_format_t *in_f)
1079{
1080 if (buf->i_len == sizeof(xfs_inode_log_format_32_t)) {
1081 xfs_inode_log_format_32_t *in_f32;
1082
1083 in_f32 = (xfs_inode_log_format_32_t *)buf->i_addr;
1084 in_f->ilf_type = in_f32->ilf_type;
1085 in_f->ilf_size = in_f32->ilf_size;
1086 in_f->ilf_fields = in_f32->ilf_fields;
1087 in_f->ilf_asize = in_f32->ilf_asize;
1088 in_f->ilf_dsize = in_f32->ilf_dsize;
1089 in_f->ilf_ino = in_f32->ilf_ino;
1090 /* copy biggest field of ilf_u */
1091 memcpy(in_f->ilf_u.ilfu_uuid.__u_bits,
1092 in_f32->ilf_u.ilfu_uuid.__u_bits,
1093 sizeof(uuid_t));
1094 in_f->ilf_blkno = in_f32->ilf_blkno;
1095 in_f->ilf_len = in_f32->ilf_len;
1096 in_f->ilf_boffset = in_f32->ilf_boffset;
1097 return 0;
1098 } else if (buf->i_len == sizeof(xfs_inode_log_format_64_t)){
1099 xfs_inode_log_format_64_t *in_f64;
1100
1101 in_f64 = (xfs_inode_log_format_64_t *)buf->i_addr;
1102 in_f->ilf_type = in_f64->ilf_type;
1103 in_f->ilf_size = in_f64->ilf_size;
1104 in_f->ilf_fields = in_f64->ilf_fields;
1105 in_f->ilf_asize = in_f64->ilf_asize;
1106 in_f->ilf_dsize = in_f64->ilf_dsize;
1107 in_f->ilf_ino = in_f64->ilf_ino;
1108 /* copy biggest field of ilf_u */
1109 memcpy(in_f->ilf_u.ilfu_uuid.__u_bits,
1110 in_f64->ilf_u.ilfu_uuid.__u_bits,
1111 sizeof(uuid_t));
1112 in_f->ilf_blkno = in_f64->ilf_blkno;
1113 in_f->ilf_len = in_f64->ilf_len;
1114 in_f->ilf_boffset = in_f64->ilf_boffset;
1115 return 0;
1116 }
1117 return EFSCORRUPTED;
1118}