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95920cd6 DC |
1 | /* |
2 | * Copyright (c) 2000-2005 Silicon Graphics, Inc. | |
d2e448d5 | 3 | * Copyright (c) 2013 Red Hat, Inc. |
95920cd6 DC |
4 | * All Rights Reserved. |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public License as | |
8 | * published by the Free Software Foundation. | |
9 | * | |
10 | * This program is distributed in the hope that it would be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write the Free Software Foundation, | |
17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
18 | */ | |
19 | #include "xfs.h" | |
20 | #include "xfs_fs.h" | |
21 | #include "xfs_types.h" | |
22 | #include "xfs_bit.h" | |
23 | #include "xfs_log.h" | |
24 | #include "xfs_trans.h" | |
25 | #include "xfs_sb.h" | |
26 | #include "xfs_ag.h" | |
27 | #include "xfs_mount.h" | |
28 | #include "xfs_error.h" | |
29 | #include "xfs_da_btree.h" | |
30 | #include "xfs_bmap_btree.h" | |
31 | #include "xfs_dinode.h" | |
32 | #include "xfs_inode.h" | |
33 | #include "xfs_alloc.h" | |
34 | #include "xfs_inode_item.h" | |
35 | #include "xfs_bmap.h" | |
36 | #include "xfs_attr.h" | |
37 | #include "xfs_attr_leaf.h" | |
38 | #include "xfs_attr_remote.h" | |
39 | #include "xfs_trans_space.h" | |
40 | #include "xfs_trace.h" | |
d2e448d5 DC |
41 | #include "xfs_cksum.h" |
42 | #include "xfs_buf_item.h" | |
95920cd6 DC |
43 | |
44 | #define ATTR_RMTVALUE_MAPSIZE 1 /* # of map entries at once */ | |
45 | ||
d2e448d5 DC |
46 | /* |
47 | * Each contiguous block has a header, so it is not just a simple attribute | |
48 | * length to FSB conversion. | |
49 | */ | |
50 | static int | |
51 | xfs_attr3_rmt_blocks( | |
52 | struct xfs_mount *mp, | |
53 | int attrlen) | |
54 | { | |
55 | int fsblocks = 0; | |
56 | int len = attrlen; | |
57 | ||
58 | do { | |
59 | fsblocks++; | |
60 | len -= XFS_ATTR3_RMT_BUF_SPACE(mp, mp->m_sb.sb_blocksize); | |
61 | } while (len > 0); | |
62 | ||
63 | return fsblocks; | |
64 | } | |
65 | ||
66 | static bool | |
67 | xfs_attr3_rmt_verify( | |
68 | struct xfs_buf *bp) | |
69 | { | |
70 | struct xfs_mount *mp = bp->b_target->bt_mount; | |
71 | struct xfs_attr3_rmt_hdr *rmt = bp->b_addr; | |
72 | ||
73 | if (!xfs_sb_version_hascrc(&mp->m_sb)) | |
74 | return false; | |
75 | if (rmt->rm_magic != cpu_to_be32(XFS_ATTR3_RMT_MAGIC)) | |
76 | return false; | |
77 | if (!uuid_equal(&rmt->rm_uuid, &mp->m_sb.sb_uuid)) | |
78 | return false; | |
79 | if (bp->b_bn != be64_to_cpu(rmt->rm_blkno)) | |
80 | return false; | |
81 | if (be32_to_cpu(rmt->rm_offset) + | |
82 | be32_to_cpu(rmt->rm_bytes) >= MAXPATHLEN) | |
83 | return false; | |
84 | if (rmt->rm_owner == 0) | |
85 | return false; | |
86 | ||
87 | return true; | |
88 | } | |
89 | ||
90 | static void | |
91 | xfs_attr3_rmt_read_verify( | |
92 | struct xfs_buf *bp) | |
93 | { | |
94 | struct xfs_mount *mp = bp->b_target->bt_mount; | |
95 | ||
96 | /* no verification of non-crc buffers */ | |
97 | if (!xfs_sb_version_hascrc(&mp->m_sb)) | |
98 | return; | |
99 | ||
100 | if (!xfs_verify_cksum(bp->b_addr, BBTOB(bp->b_length), | |
101 | XFS_ATTR3_RMT_CRC_OFF) || | |
102 | !xfs_attr3_rmt_verify(bp)) { | |
103 | XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr); | |
104 | xfs_buf_ioerror(bp, EFSCORRUPTED); | |
105 | } | |
106 | } | |
107 | ||
108 | static void | |
109 | xfs_attr3_rmt_write_verify( | |
110 | struct xfs_buf *bp) | |
111 | { | |
112 | struct xfs_mount *mp = bp->b_target->bt_mount; | |
113 | struct xfs_buf_log_item *bip = bp->b_fspriv; | |
114 | ||
115 | /* no verification of non-crc buffers */ | |
116 | if (!xfs_sb_version_hascrc(&mp->m_sb)) | |
117 | return; | |
118 | ||
119 | if (!xfs_attr3_rmt_verify(bp)) { | |
120 | XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr); | |
121 | xfs_buf_ioerror(bp, EFSCORRUPTED); | |
122 | return; | |
123 | } | |
124 | ||
125 | if (bip) { | |
126 | struct xfs_attr3_rmt_hdr *rmt = bp->b_addr; | |
127 | rmt->rm_lsn = cpu_to_be64(bip->bli_item.li_lsn); | |
128 | } | |
129 | xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length), | |
130 | XFS_ATTR3_RMT_CRC_OFF); | |
131 | } | |
132 | ||
133 | const struct xfs_buf_ops xfs_attr3_rmt_buf_ops = { | |
134 | .verify_read = xfs_attr3_rmt_read_verify, | |
135 | .verify_write = xfs_attr3_rmt_write_verify, | |
136 | }; | |
137 | ||
138 | static int | |
139 | xfs_attr3_rmt_hdr_set( | |
140 | struct xfs_mount *mp, | |
141 | xfs_ino_t ino, | |
142 | uint32_t offset, | |
143 | uint32_t size, | |
144 | struct xfs_buf *bp) | |
145 | { | |
146 | struct xfs_attr3_rmt_hdr *rmt = bp->b_addr; | |
147 | ||
148 | if (!xfs_sb_version_hascrc(&mp->m_sb)) | |
149 | return 0; | |
150 | ||
151 | rmt->rm_magic = cpu_to_be32(XFS_ATTR3_RMT_MAGIC); | |
152 | rmt->rm_offset = cpu_to_be32(offset); | |
153 | rmt->rm_bytes = cpu_to_be32(size); | |
154 | uuid_copy(&rmt->rm_uuid, &mp->m_sb.sb_uuid); | |
155 | rmt->rm_owner = cpu_to_be64(ino); | |
156 | rmt->rm_blkno = cpu_to_be64(bp->b_bn); | |
157 | bp->b_ops = &xfs_attr3_rmt_buf_ops; | |
158 | ||
159 | return sizeof(struct xfs_attr3_rmt_hdr); | |
160 | } | |
161 | ||
162 | /* | |
163 | * Checking of the remote attribute header is split into two parts. the verifier | |
164 | * does CRC, location and bounds checking, the unpacking function checks the | |
165 | * attribute parameters and owner. | |
166 | */ | |
167 | static bool | |
168 | xfs_attr3_rmt_hdr_ok( | |
169 | struct xfs_mount *mp, | |
170 | xfs_ino_t ino, | |
171 | uint32_t offset, | |
172 | uint32_t size, | |
173 | struct xfs_buf *bp) | |
174 | { | |
175 | struct xfs_attr3_rmt_hdr *rmt = bp->b_addr; | |
176 | ||
177 | if (offset != be32_to_cpu(rmt->rm_offset)) | |
178 | return false; | |
179 | if (size != be32_to_cpu(rmt->rm_bytes)) | |
180 | return false; | |
181 | if (ino != be64_to_cpu(rmt->rm_owner)) | |
182 | return false; | |
183 | ||
184 | /* ok */ | |
185 | return true; | |
186 | ||
187 | } | |
188 | ||
95920cd6 DC |
189 | /* |
190 | * Read the value associated with an attribute from the out-of-line buffer | |
191 | * that we stored it in. | |
192 | */ | |
193 | int | |
d2e448d5 DC |
194 | xfs_attr_rmtval_get( |
195 | struct xfs_da_args *args) | |
95920cd6 | 196 | { |
d2e448d5 DC |
197 | struct xfs_bmbt_irec map[ATTR_RMTVALUE_MAPSIZE]; |
198 | struct xfs_mount *mp = args->dp->i_mount; | |
199 | struct xfs_buf *bp; | |
200 | xfs_daddr_t dblkno; | |
201 | xfs_dablk_t lblkno = args->rmtblkno; | |
202 | void *dst = args->value; | |
203 | int valuelen = args->valuelen; | |
204 | int nmap; | |
205 | int error; | |
206 | int blkcnt; | |
207 | int i; | |
208 | int offset = 0; | |
95920cd6 DC |
209 | |
210 | trace_xfs_attr_rmtval_get(args); | |
211 | ||
212 | ASSERT(!(args->flags & ATTR_KERNOVAL)); | |
213 | ||
95920cd6 DC |
214 | while (valuelen > 0) { |
215 | nmap = ATTR_RMTVALUE_MAPSIZE; | |
216 | error = xfs_bmapi_read(args->dp, (xfs_fileoff_t)lblkno, | |
217 | args->rmtblkcnt, map, &nmap, | |
218 | XFS_BMAPI_ATTRFORK); | |
219 | if (error) | |
d2e448d5 | 220 | return error; |
95920cd6 DC |
221 | ASSERT(nmap >= 1); |
222 | ||
223 | for (i = 0; (i < nmap) && (valuelen > 0); i++) { | |
d2e448d5 DC |
224 | int byte_cnt; |
225 | char *src; | |
226 | ||
95920cd6 DC |
227 | ASSERT((map[i].br_startblock != DELAYSTARTBLOCK) && |
228 | (map[i].br_startblock != HOLESTARTBLOCK)); | |
229 | dblkno = XFS_FSB_TO_DADDR(mp, map[i].br_startblock); | |
230 | blkcnt = XFS_FSB_TO_BB(mp, map[i].br_blockcount); | |
231 | error = xfs_trans_read_buf(mp, NULL, mp->m_ddev_targp, | |
d2e448d5 DC |
232 | dblkno, blkcnt, 0, &bp, |
233 | &xfs_attr3_rmt_buf_ops); | |
95920cd6 | 234 | if (error) |
d2e448d5 DC |
235 | return error; |
236 | ||
237 | byte_cnt = min_t(int, valuelen, BBTOB(bp->b_length)); | |
238 | byte_cnt = XFS_ATTR3_RMT_BUF_SPACE(mp, byte_cnt); | |
95920cd6 | 239 | |
d2e448d5 DC |
240 | src = bp->b_addr; |
241 | if (xfs_sb_version_hascrc(&mp->m_sb)) { | |
242 | if (!xfs_attr3_rmt_hdr_ok(mp, args->dp->i_ino, | |
243 | offset, byte_cnt, bp)) { | |
244 | xfs_alert(mp, | |
245 | "remote attribute header does not match required off/len/owner (0x%x/Ox%x,0x%llx)", | |
246 | offset, byte_cnt, args->dp->i_ino); | |
247 | xfs_buf_relse(bp); | |
248 | return EFSCORRUPTED; | |
249 | ||
250 | } | |
251 | ||
252 | src += sizeof(struct xfs_attr3_rmt_hdr); | |
253 | } | |
254 | ||
255 | memcpy(dst, src, byte_cnt); | |
95920cd6 | 256 | xfs_buf_relse(bp); |
d2e448d5 DC |
257 | |
258 | offset += byte_cnt; | |
259 | dst += byte_cnt; | |
260 | valuelen -= byte_cnt; | |
95920cd6 DC |
261 | |
262 | lblkno += map[i].br_blockcount; | |
263 | } | |
264 | } | |
265 | ASSERT(valuelen == 0); | |
d2e448d5 | 266 | return 0; |
95920cd6 DC |
267 | } |
268 | ||
269 | /* | |
270 | * Write the value associated with an attribute into the out-of-line buffer | |
271 | * that we have defined for it. | |
272 | */ | |
273 | int | |
d2e448d5 DC |
274 | xfs_attr_rmtval_set( |
275 | struct xfs_da_args *args) | |
95920cd6 | 276 | { |
d2e448d5 DC |
277 | struct xfs_inode *dp = args->dp; |
278 | struct xfs_mount *mp = dp->i_mount; | |
279 | struct xfs_bmbt_irec map; | |
280 | struct xfs_buf *bp; | |
281 | xfs_daddr_t dblkno; | |
282 | xfs_dablk_t lblkno; | |
283 | xfs_fileoff_t lfileoff = 0; | |
284 | void *src = args->value; | |
285 | int blkcnt; | |
286 | int valuelen; | |
287 | int nmap; | |
288 | int error; | |
289 | int hdrcnt = 0; | |
290 | bool crcs = xfs_sb_version_hascrc(&mp->m_sb); | |
291 | int offset = 0; | |
95920cd6 DC |
292 | |
293 | trace_xfs_attr_rmtval_set(args); | |
294 | ||
95920cd6 DC |
295 | /* |
296 | * Find a "hole" in the attribute address space large enough for | |
d2e448d5 DC |
297 | * us to drop the new attribute's value into. Because CRC enable |
298 | * attributes have headers, we can't just do a straight byte to FSB | |
299 | * conversion. We calculate the worst case block count in this case | |
300 | * and we may not need that many, so we have to handle this when | |
301 | * allocating the blocks below. | |
95920cd6 | 302 | */ |
d2e448d5 DC |
303 | if (!crcs) |
304 | blkcnt = XFS_B_TO_FSB(mp, args->valuelen); | |
305 | else | |
306 | blkcnt = xfs_attr3_rmt_blocks(mp, args->valuelen); | |
307 | ||
95920cd6 DC |
308 | error = xfs_bmap_first_unused(args->trans, args->dp, blkcnt, &lfileoff, |
309 | XFS_ATTR_FORK); | |
d2e448d5 DC |
310 | if (error) |
311 | return error; | |
312 | ||
313 | /* Start with the attribute data. We'll allocate the rest afterwards. */ | |
314 | if (crcs) | |
315 | blkcnt = XFS_B_TO_FSB(mp, args->valuelen); | |
316 | ||
95920cd6 DC |
317 | args->rmtblkno = lblkno = (xfs_dablk_t)lfileoff; |
318 | args->rmtblkcnt = blkcnt; | |
319 | ||
320 | /* | |
321 | * Roll through the "value", allocating blocks on disk as required. | |
322 | */ | |
323 | while (blkcnt > 0) { | |
d2e448d5 DC |
324 | int committed; |
325 | ||
95920cd6 DC |
326 | /* |
327 | * Allocate a single extent, up to the size of the value. | |
328 | */ | |
329 | xfs_bmap_init(args->flist, args->firstblock); | |
330 | nmap = 1; | |
331 | error = xfs_bmapi_write(args->trans, dp, (xfs_fileoff_t)lblkno, | |
332 | blkcnt, | |
333 | XFS_BMAPI_ATTRFORK | XFS_BMAPI_METADATA, | |
334 | args->firstblock, args->total, &map, &nmap, | |
335 | args->flist); | |
336 | if (!error) { | |
337 | error = xfs_bmap_finish(&args->trans, args->flist, | |
338 | &committed); | |
339 | } | |
340 | if (error) { | |
341 | ASSERT(committed); | |
342 | args->trans = NULL; | |
343 | xfs_bmap_cancel(args->flist); | |
344 | return(error); | |
345 | } | |
346 | ||
347 | /* | |
348 | * bmap_finish() may have committed the last trans and started | |
349 | * a new one. We need the inode to be in all transactions. | |
350 | */ | |
351 | if (committed) | |
352 | xfs_trans_ijoin(args->trans, dp, 0); | |
353 | ||
354 | ASSERT(nmap == 1); | |
355 | ASSERT((map.br_startblock != DELAYSTARTBLOCK) && | |
356 | (map.br_startblock != HOLESTARTBLOCK)); | |
357 | lblkno += map.br_blockcount; | |
358 | blkcnt -= map.br_blockcount; | |
d2e448d5 DC |
359 | hdrcnt++; |
360 | ||
361 | /* | |
362 | * If we have enough blocks for the attribute data, calculate | |
363 | * how many extra blocks we need for headers. We might run | |
364 | * through this multiple times in the case that the additional | |
365 | * headers in the blocks needed for the data fragments spills | |
366 | * into requiring more blocks. e.g. for 512 byte blocks, we'll | |
367 | * spill for another block every 9 headers we require in this | |
368 | * loop. | |
369 | */ | |
370 | ||
371 | if (crcs && blkcnt == 0) { | |
372 | int total_len; | |
373 | ||
374 | total_len = args->valuelen + | |
375 | hdrcnt * sizeof(struct xfs_attr3_rmt_hdr); | |
376 | blkcnt = XFS_B_TO_FSB(mp, total_len); | |
377 | blkcnt -= args->rmtblkcnt; | |
378 | args->rmtblkcnt += blkcnt; | |
379 | } | |
95920cd6 DC |
380 | |
381 | /* | |
382 | * Start the next trans in the chain. | |
383 | */ | |
384 | error = xfs_trans_roll(&args->trans, dp); | |
385 | if (error) | |
386 | return (error); | |
387 | } | |
388 | ||
389 | /* | |
390 | * Roll through the "value", copying the attribute value to the | |
391 | * already-allocated blocks. Blocks are written synchronously | |
392 | * so that we can know they are all on disk before we turn off | |
393 | * the INCOMPLETE flag. | |
394 | */ | |
395 | lblkno = args->rmtblkno; | |
396 | valuelen = args->valuelen; | |
397 | while (valuelen > 0) { | |
d2e448d5 DC |
398 | int byte_cnt; |
399 | char *buf; | |
95920cd6 DC |
400 | |
401 | /* | |
402 | * Try to remember where we decided to put the value. | |
403 | */ | |
404 | xfs_bmap_init(args->flist, args->firstblock); | |
405 | nmap = 1; | |
406 | error = xfs_bmapi_read(dp, (xfs_fileoff_t)lblkno, | |
407 | args->rmtblkcnt, &map, &nmap, | |
408 | XFS_BMAPI_ATTRFORK); | |
409 | if (error) | |
410 | return(error); | |
411 | ASSERT(nmap == 1); | |
412 | ASSERT((map.br_startblock != DELAYSTARTBLOCK) && | |
413 | (map.br_startblock != HOLESTARTBLOCK)); | |
414 | ||
415 | dblkno = XFS_FSB_TO_DADDR(mp, map.br_startblock), | |
416 | blkcnt = XFS_FSB_TO_BB(mp, map.br_blockcount); | |
417 | ||
418 | bp = xfs_buf_get(mp->m_ddev_targp, dblkno, blkcnt, 0); | |
419 | if (!bp) | |
420 | return ENOMEM; | |
d2e448d5 DC |
421 | bp->b_ops = &xfs_attr3_rmt_buf_ops; |
422 | ||
423 | byte_cnt = BBTOB(bp->b_length); | |
424 | byte_cnt = XFS_ATTR3_RMT_BUF_SPACE(mp, byte_cnt); | |
425 | if (valuelen < byte_cnt) { | |
426 | byte_cnt = valuelen; | |
427 | } | |
428 | ||
429 | buf = bp->b_addr; | |
430 | buf += xfs_attr3_rmt_hdr_set(mp, dp->i_ino, offset, | |
431 | byte_cnt, bp); | |
432 | memcpy(buf, src, byte_cnt); | |
95920cd6 | 433 | |
d2e448d5 DC |
434 | if (byte_cnt < BBTOB(bp->b_length)) |
435 | xfs_buf_zero(bp, byte_cnt, | |
436 | BBTOB(bp->b_length) - byte_cnt); | |
95920cd6 DC |
437 | |
438 | error = xfs_bwrite(bp); /* GROT: NOTE: synchronous write */ | |
439 | xfs_buf_relse(bp); | |
440 | if (error) | |
441 | return error; | |
d2e448d5 DC |
442 | |
443 | src += byte_cnt; | |
444 | valuelen -= byte_cnt; | |
445 | offset += byte_cnt; | |
446 | hdrcnt--; | |
95920cd6 DC |
447 | |
448 | lblkno += map.br_blockcount; | |
449 | } | |
450 | ASSERT(valuelen == 0); | |
d2e448d5 DC |
451 | ASSERT(hdrcnt == 0); |
452 | return 0; | |
95920cd6 DC |
453 | } |
454 | ||
455 | /* | |
456 | * Remove the value associated with an attribute by deleting the | |
457 | * out-of-line buffer that it is stored on. | |
458 | */ | |
459 | int | |
460 | xfs_attr_rmtval_remove(xfs_da_args_t *args) | |
461 | { | |
462 | xfs_mount_t *mp; | |
463 | xfs_bmbt_irec_t map; | |
464 | xfs_buf_t *bp; | |
465 | xfs_daddr_t dblkno; | |
466 | xfs_dablk_t lblkno; | |
467 | int valuelen, blkcnt, nmap, error, done, committed; | |
468 | ||
469 | trace_xfs_attr_rmtval_remove(args); | |
470 | ||
471 | mp = args->dp->i_mount; | |
472 | ||
473 | /* | |
474 | * Roll through the "value", invalidating the attribute value's | |
475 | * blocks. | |
476 | */ | |
477 | lblkno = args->rmtblkno; | |
478 | valuelen = args->rmtblkcnt; | |
479 | while (valuelen > 0) { | |
480 | /* | |
481 | * Try to remember where we decided to put the value. | |
482 | */ | |
483 | nmap = 1; | |
484 | error = xfs_bmapi_read(args->dp, (xfs_fileoff_t)lblkno, | |
485 | args->rmtblkcnt, &map, &nmap, | |
486 | XFS_BMAPI_ATTRFORK); | |
487 | if (error) | |
488 | return(error); | |
489 | ASSERT(nmap == 1); | |
490 | ASSERT((map.br_startblock != DELAYSTARTBLOCK) && | |
491 | (map.br_startblock != HOLESTARTBLOCK)); | |
492 | ||
493 | dblkno = XFS_FSB_TO_DADDR(mp, map.br_startblock), | |
494 | blkcnt = XFS_FSB_TO_BB(mp, map.br_blockcount); | |
495 | ||
496 | /* | |
497 | * If the "remote" value is in the cache, remove it. | |
498 | */ | |
499 | bp = xfs_incore(mp->m_ddev_targp, dblkno, blkcnt, XBF_TRYLOCK); | |
500 | if (bp) { | |
501 | xfs_buf_stale(bp); | |
502 | xfs_buf_relse(bp); | |
503 | bp = NULL; | |
504 | } | |
505 | ||
506 | valuelen -= map.br_blockcount; | |
507 | ||
508 | lblkno += map.br_blockcount; | |
509 | } | |
510 | ||
511 | /* | |
512 | * Keep de-allocating extents until the remote-value region is gone. | |
513 | */ | |
514 | lblkno = args->rmtblkno; | |
515 | blkcnt = args->rmtblkcnt; | |
516 | done = 0; | |
517 | while (!done) { | |
518 | xfs_bmap_init(args->flist, args->firstblock); | |
519 | error = xfs_bunmapi(args->trans, args->dp, lblkno, blkcnt, | |
520 | XFS_BMAPI_ATTRFORK | XFS_BMAPI_METADATA, | |
521 | 1, args->firstblock, args->flist, | |
522 | &done); | |
523 | if (!error) { | |
524 | error = xfs_bmap_finish(&args->trans, args->flist, | |
525 | &committed); | |
526 | } | |
527 | if (error) { | |
528 | ASSERT(committed); | |
529 | args->trans = NULL; | |
530 | xfs_bmap_cancel(args->flist); | |
d2e448d5 | 531 | return error; |
95920cd6 DC |
532 | } |
533 | ||
534 | /* | |
535 | * bmap_finish() may have committed the last trans and started | |
536 | * a new one. We need the inode to be in all transactions. | |
537 | */ | |
538 | if (committed) | |
539 | xfs_trans_ijoin(args->trans, args->dp, 0); | |
540 | ||
541 | /* | |
542 | * Close out trans and start the next one in the chain. | |
543 | */ | |
544 | error = xfs_trans_roll(&args->trans, args->dp); | |
545 | if (error) | |
546 | return (error); | |
547 | } | |
548 | return(0); | |
549 | } | |
550 |