Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
4ce3121f NS |
2 | * Copyright (c) 2000-2005 Silicon Graphics, Inc. |
3 | * All Rights Reserved. | |
1da177e4 | 4 | * |
4ce3121f 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 | * | |
4ce3121f 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 | * |
4ce3121f 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 | */ |
16f7e0fe RD |
18 | |
19 | #include <linux/capability.h> | |
20 | ||
1da177e4 LT |
21 | #include "xfs.h" |
22 | #include "xfs_fs.h" | |
a844f451 | 23 | #include "xfs_bit.h" |
1da177e4 | 24 | #include "xfs_log.h" |
a844f451 | 25 | #include "xfs_inum.h" |
1da177e4 LT |
26 | #include "xfs_trans.h" |
27 | #include "xfs_sb.h" | |
a844f451 | 28 | #include "xfs_ag.h" |
1da177e4 | 29 | #include "xfs_alloc.h" |
1da177e4 LT |
30 | #include "xfs_quota.h" |
31 | #include "xfs_mount.h" | |
1da177e4 | 32 | #include "xfs_bmap_btree.h" |
1da177e4 | 33 | #include "xfs_inode.h" |
673e8e59 | 34 | #include "xfs_inode_item.h" |
a844f451 | 35 | #include "xfs_itable.h" |
1da177e4 | 36 | #include "xfs_bmap.h" |
1da177e4 LT |
37 | #include "xfs_rtalloc.h" |
38 | #include "xfs_error.h" | |
1da177e4 LT |
39 | #include "xfs_attr.h" |
40 | #include "xfs_buf_item.h" | |
41 | #include "xfs_utils.h" | |
1da177e4 | 42 | #include "xfs_qm.h" |
0b1b213f | 43 | #include "xfs_trace.h" |
1da177e4 | 44 | |
1da177e4 LT |
45 | STATIC int xfs_qm_log_quotaoff(xfs_mount_t *, xfs_qoff_logitem_t **, uint); |
46 | STATIC int xfs_qm_log_quotaoff_end(xfs_mount_t *, xfs_qoff_logitem_t *, | |
47 | uint); | |
1da177e4 | 48 | STATIC uint xfs_qm_export_flags(uint); |
1da177e4 LT |
49 | STATIC uint xfs_qm_export_qtype_flags(uint); |
50 | STATIC void xfs_qm_export_dquot(xfs_mount_t *, xfs_disk_dquot_t *, | |
51 | fs_disk_quota_t *); | |
52 | ||
53 | ||
1da177e4 LT |
54 | /* |
55 | * Turn off quota accounting and/or enforcement for all udquots and/or | |
56 | * gdquots. Called only at unmount time. | |
57 | * | |
58 | * This assumes that there are no dquots of this file system cached | |
59 | * incore, and modifies the ondisk dquot directly. Therefore, for example, | |
60 | * it is an error to call this twice, without purging the cache. | |
61 | */ | |
fcafb71b | 62 | int |
1da177e4 LT |
63 | xfs_qm_scall_quotaoff( |
64 | xfs_mount_t *mp, | |
fcafb71b | 65 | uint flags) |
1da177e4 | 66 | { |
8a7b8a89 | 67 | struct xfs_quotainfo *q = mp->m_quotainfo; |
1da177e4 | 68 | uint dqtype; |
1da177e4 LT |
69 | int error; |
70 | uint inactivate_flags; | |
71 | xfs_qoff_logitem_t *qoffstart; | |
72 | int nculprits; | |
73 | ||
1da177e4 LT |
74 | /* |
75 | * No file system can have quotas enabled on disk but not in core. | |
76 | * Note that quota utilities (like quotaoff) _expect_ | |
77 | * errno == EEXIST here. | |
78 | */ | |
79 | if ((mp->m_qflags & flags) == 0) | |
80 | return XFS_ERROR(EEXIST); | |
81 | error = 0; | |
82 | ||
83 | flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD); | |
84 | ||
85 | /* | |
86 | * We don't want to deal with two quotaoffs messing up each other, | |
87 | * so we're going to serialize it. quotaoff isn't exactly a performance | |
88 | * critical thing. | |
89 | * If quotaoff, then we must be dealing with the root filesystem. | |
90 | */ | |
8a7b8a89 CH |
91 | ASSERT(q); |
92 | mutex_lock(&q->qi_quotaofflock); | |
1da177e4 LT |
93 | |
94 | /* | |
95 | * If we're just turning off quota enforcement, change mp and go. | |
96 | */ | |
97 | if ((flags & XFS_ALL_QUOTA_ACCT) == 0) { | |
98 | mp->m_qflags &= ~(flags); | |
99 | ||
3685c2a1 | 100 | spin_lock(&mp->m_sb_lock); |
1da177e4 | 101 | mp->m_sb.sb_qflags = mp->m_qflags; |
3685c2a1 | 102 | spin_unlock(&mp->m_sb_lock); |
8a7b8a89 | 103 | mutex_unlock(&q->qi_quotaofflock); |
1da177e4 LT |
104 | |
105 | /* XXX what to do if error ? Revert back to old vals incore ? */ | |
106 | error = xfs_qm_write_sb_changes(mp, XFS_SB_QFLAGS); | |
107 | return (error); | |
108 | } | |
109 | ||
110 | dqtype = 0; | |
111 | inactivate_flags = 0; | |
112 | /* | |
113 | * If accounting is off, we must turn enforcement off, clear the | |
114 | * quota 'CHKD' certificate to make it known that we have to | |
115 | * do a quotacheck the next time this quota is turned on. | |
116 | */ | |
117 | if (flags & XFS_UQUOTA_ACCT) { | |
118 | dqtype |= XFS_QMOPT_UQUOTA; | |
119 | flags |= (XFS_UQUOTA_CHKD | XFS_UQUOTA_ENFD); | |
120 | inactivate_flags |= XFS_UQUOTA_ACTIVE; | |
121 | } | |
122 | if (flags & XFS_GQUOTA_ACCT) { | |
123 | dqtype |= XFS_QMOPT_GQUOTA; | |
c8ad20ff | 124 | flags |= (XFS_OQUOTA_CHKD | XFS_OQUOTA_ENFD); |
1da177e4 | 125 | inactivate_flags |= XFS_GQUOTA_ACTIVE; |
c8ad20ff NS |
126 | } else if (flags & XFS_PQUOTA_ACCT) { |
127 | dqtype |= XFS_QMOPT_PQUOTA; | |
128 | flags |= (XFS_OQUOTA_CHKD | XFS_OQUOTA_ENFD); | |
129 | inactivate_flags |= XFS_PQUOTA_ACTIVE; | |
1da177e4 LT |
130 | } |
131 | ||
132 | /* | |
133 | * Nothing to do? Don't complain. This happens when we're just | |
134 | * turning off quota enforcement. | |
135 | */ | |
8a7b8a89 CH |
136 | if ((mp->m_qflags & flags) == 0) |
137 | goto out_unlock; | |
1da177e4 LT |
138 | |
139 | /* | |
140 | * Write the LI_QUOTAOFF log record, and do SB changes atomically, | |
cb6edc26 DC |
141 | * and synchronously. If we fail to write, we should abort the |
142 | * operation as it cannot be recovered safely if we crash. | |
1da177e4 | 143 | */ |
cb6edc26 DC |
144 | error = xfs_qm_log_quotaoff(mp, &qoffstart, flags); |
145 | if (error) | |
8a7b8a89 | 146 | goto out_unlock; |
1da177e4 LT |
147 | |
148 | /* | |
149 | * Next we clear the XFS_MOUNT_*DQ_ACTIVE bit(s) in the mount struct | |
150 | * to take care of the race between dqget and quotaoff. We don't take | |
151 | * any special locks to reset these bits. All processes need to check | |
152 | * these bits *after* taking inode lock(s) to see if the particular | |
153 | * quota type is in the process of being turned off. If *ACTIVE, it is | |
154 | * guaranteed that all dquot structures and all quotainode ptrs will all | |
155 | * stay valid as long as that inode is kept locked. | |
156 | * | |
157 | * There is no turning back after this. | |
158 | */ | |
159 | mp->m_qflags &= ~inactivate_flags; | |
160 | ||
161 | /* | |
162 | * Give back all the dquot reference(s) held by inodes. | |
163 | * Here we go thru every single incore inode in this file system, and | |
164 | * do a dqrele on the i_udquot/i_gdquot that it may have. | |
165 | * Essentially, as long as somebody has an inode locked, this guarantees | |
166 | * that quotas will not be turned off. This is handy because in a | |
167 | * transaction once we lock the inode(s) and check for quotaon, we can | |
168 | * depend on the quota inodes (and other things) being valid as long as | |
169 | * we keep the lock(s). | |
170 | */ | |
171 | xfs_qm_dqrele_all_inodes(mp, flags); | |
172 | ||
173 | /* | |
174 | * Next we make the changes in the quota flag in the mount struct. | |
175 | * This isn't protected by a particular lock directly, because we | |
25985edc | 176 | * don't want to take a mrlock every time we depend on quotas being on. |
1da177e4 LT |
177 | */ |
178 | mp->m_qflags &= ~(flags); | |
179 | ||
180 | /* | |
181 | * Go through all the dquots of this file system and purge them, | |
182 | * according to what was turned off. We may not be able to get rid | |
183 | * of all dquots, because dquots can have temporary references that | |
184 | * are not attached to inodes. eg. xfs_setattr, xfs_create. | |
185 | * So, if we couldn't purge all the dquots from the filesystem, | |
186 | * we can't get rid of the incore data structures. | |
187 | */ | |
8112e9dc | 188 | while ((nculprits = xfs_qm_dqpurge_all(mp, dqtype))) |
1da177e4 LT |
189 | delay(10 * nculprits); |
190 | ||
191 | /* | |
192 | * Transactions that had started before ACTIVE state bit was cleared | |
193 | * could have logged many dquots, so they'd have higher LSNs than | |
194 | * the first QUOTAOFF log record does. If we happen to crash when | |
195 | * the tail of the log has gone past the QUOTAOFF record, but | |
196 | * before the last dquot modification, those dquots __will__ | |
197 | * recover, and that's not good. | |
198 | * | |
199 | * So, we have QUOTAOFF start and end logitems; the start | |
200 | * logitem won't get overwritten until the end logitem appears... | |
201 | */ | |
cb6edc26 DC |
202 | error = xfs_qm_log_quotaoff_end(mp, qoffstart, flags); |
203 | if (error) { | |
204 | /* We're screwed now. Shutdown is the only option. */ | |
205 | xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE); | |
8a7b8a89 | 206 | goto out_unlock; |
cb6edc26 | 207 | } |
1da177e4 LT |
208 | |
209 | /* | |
210 | * If quotas is completely disabled, close shop. | |
211 | */ | |
c8ad20ff NS |
212 | if (((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_SET1) || |
213 | ((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_SET2)) { | |
8a7b8a89 | 214 | mutex_unlock(&q->qi_quotaofflock); |
1da177e4 LT |
215 | xfs_qm_destroy_quotainfo(mp); |
216 | return (0); | |
217 | } | |
218 | ||
219 | /* | |
8a7b8a89 | 220 | * Release our quotainode references if we don't need them anymore. |
1da177e4 | 221 | */ |
8a7b8a89 CH |
222 | if ((dqtype & XFS_QMOPT_UQUOTA) && q->qi_uquotaip) { |
223 | IRELE(q->qi_uquotaip); | |
224 | q->qi_uquotaip = NULL; | |
1da177e4 | 225 | } |
8a7b8a89 CH |
226 | if ((dqtype & (XFS_QMOPT_GQUOTA|XFS_QMOPT_PQUOTA)) && q->qi_gquotaip) { |
227 | IRELE(q->qi_gquotaip); | |
228 | q->qi_gquotaip = NULL; | |
1da177e4 | 229 | } |
1da177e4 | 230 | |
8a7b8a89 CH |
231 | out_unlock: |
232 | mutex_unlock(&q->qi_quotaofflock); | |
233 | return error; | |
1da177e4 LT |
234 | } |
235 | ||
5d18898b CH |
236 | STATIC int |
237 | xfs_qm_scall_trunc_qfile( | |
238 | struct xfs_mount *mp, | |
239 | xfs_ino_t ino) | |
240 | { | |
241 | struct xfs_inode *ip; | |
242 | struct xfs_trans *tp; | |
243 | int error; | |
244 | ||
245 | if (ino == NULLFSINO) | |
246 | return 0; | |
247 | ||
248 | error = xfs_iget(mp, NULL, ino, 0, 0, &ip); | |
249 | if (error) | |
250 | return error; | |
251 | ||
252 | xfs_ilock(ip, XFS_IOLOCK_EXCL); | |
253 | ||
254 | tp = xfs_trans_alloc(mp, XFS_TRANS_TRUNCATE_FILE); | |
255 | error = xfs_trans_reserve(tp, 0, XFS_ITRUNCATE_LOG_RES(mp), 0, | |
256 | XFS_TRANS_PERM_LOG_RES, | |
257 | XFS_ITRUNCATE_LOG_COUNT); | |
258 | if (error) { | |
259 | xfs_trans_cancel(tp, 0); | |
260 | xfs_iunlock(ip, XFS_IOLOCK_EXCL); | |
261 | goto out_put; | |
262 | } | |
263 | ||
264 | xfs_ilock(ip, XFS_ILOCK_EXCL); | |
ddc3415a | 265 | xfs_trans_ijoin(tp, ip, 0); |
5d18898b | 266 | |
673e8e59 | 267 | ip->i_d.di_size = 0; |
673e8e59 CH |
268 | xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); |
269 | ||
270 | error = xfs_itruncate_extents(&tp, ip, XFS_DATA_FORK, 0); | |
5d18898b CH |
271 | if (error) { |
272 | xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES | | |
273 | XFS_TRANS_ABORT); | |
274 | goto out_unlock; | |
275 | } | |
276 | ||
673e8e59 CH |
277 | ASSERT(ip->i_d.di_nextents == 0); |
278 | ||
dcd79a14 | 279 | xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); |
5d18898b CH |
280 | error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); |
281 | ||
282 | out_unlock: | |
283 | xfs_iunlock(ip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL); | |
284 | out_put: | |
285 | IRELE(ip); | |
286 | return error; | |
287 | } | |
288 | ||
fcafb71b | 289 | int |
1da177e4 LT |
290 | xfs_qm_scall_trunc_qfiles( |
291 | xfs_mount_t *mp, | |
292 | uint flags) | |
293 | { | |
88ab0208 | 294 | int error = 0, error2 = 0; |
1da177e4 | 295 | |
62118709 | 296 | if (!xfs_sb_version_hasquota(&mp->m_sb) || flags == 0) { |
8221112b DC |
297 | xfs_debug(mp, "%s: flags=%x m_qflags=%x\n", |
298 | __func__, flags, mp->m_qflags); | |
1da177e4 LT |
299 | return XFS_ERROR(EINVAL); |
300 | } | |
301 | ||
5d18898b CH |
302 | if (flags & XFS_DQ_USER) |
303 | error = xfs_qm_scall_trunc_qfile(mp, mp->m_sb.sb_uquotino); | |
304 | if (flags & (XFS_DQ_GROUP|XFS_DQ_PROJ)) | |
305 | error2 = xfs_qm_scall_trunc_qfile(mp, mp->m_sb.sb_gquotino); | |
1da177e4 | 306 | |
88ab0208 | 307 | return error ? error : error2; |
1da177e4 LT |
308 | } |
309 | ||
1da177e4 LT |
310 | /* |
311 | * Switch on (a given) quota enforcement for a filesystem. This takes | |
312 | * effect immediately. | |
313 | * (Switching on quota accounting must be done at mount time.) | |
314 | */ | |
fcafb71b | 315 | int |
1da177e4 LT |
316 | xfs_qm_scall_quotaon( |
317 | xfs_mount_t *mp, | |
318 | uint flags) | |
319 | { | |
320 | int error; | |
1da177e4 | 321 | uint qf; |
1da177e4 LT |
322 | __int64_t sbflags; |
323 | ||
1da177e4 LT |
324 | flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD); |
325 | /* | |
326 | * Switching on quota accounting must be done at mount time. | |
327 | */ | |
1da177e4 LT |
328 | flags &= ~(XFS_ALL_QUOTA_ACCT); |
329 | ||
330 | sbflags = 0; | |
331 | ||
332 | if (flags == 0) { | |
8221112b DC |
333 | xfs_debug(mp, "%s: zero flags, m_qflags=%x\n", |
334 | __func__, mp->m_qflags); | |
1da177e4 LT |
335 | return XFS_ERROR(EINVAL); |
336 | } | |
337 | ||
338 | /* No fs can turn on quotas with a delayed effect */ | |
339 | ASSERT((flags & XFS_ALL_QUOTA_ACCT) == 0); | |
340 | ||
341 | /* | |
342 | * Can't enforce without accounting. We check the superblock | |
343 | * qflags here instead of m_qflags because rootfs can have | |
344 | * quota acct on ondisk without m_qflags' knowing. | |
345 | */ | |
346 | if (((flags & XFS_UQUOTA_ACCT) == 0 && | |
347 | (mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) == 0 && | |
348 | (flags & XFS_UQUOTA_ENFD)) | |
349 | || | |
c8ad20ff NS |
350 | ((flags & XFS_PQUOTA_ACCT) == 0 && |
351 | (mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) == 0 && | |
424ea91b | 352 | (flags & XFS_GQUOTA_ACCT) == 0 && |
1da177e4 | 353 | (mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) == 0 && |
c8ad20ff | 354 | (flags & XFS_OQUOTA_ENFD))) { |
8221112b DC |
355 | xfs_debug(mp, |
356 | "%s: Can't enforce without acct, flags=%x sbflags=%x\n", | |
357 | __func__, flags, mp->m_sb.sb_qflags); | |
1da177e4 LT |
358 | return XFS_ERROR(EINVAL); |
359 | } | |
360 | /* | |
25985edc | 361 | * If everything's up to-date incore, then don't waste time. |
1da177e4 LT |
362 | */ |
363 | if ((mp->m_qflags & flags) == flags) | |
364 | return XFS_ERROR(EEXIST); | |
365 | ||
366 | /* | |
367 | * Change sb_qflags on disk but not incore mp->qflags | |
368 | * if this is the root filesystem. | |
369 | */ | |
3685c2a1 | 370 | spin_lock(&mp->m_sb_lock); |
1da177e4 LT |
371 | qf = mp->m_sb.sb_qflags; |
372 | mp->m_sb.sb_qflags = qf | flags; | |
3685c2a1 | 373 | spin_unlock(&mp->m_sb_lock); |
1da177e4 LT |
374 | |
375 | /* | |
376 | * There's nothing to change if it's the same. | |
377 | */ | |
378 | if ((qf & flags) == flags && sbflags == 0) | |
379 | return XFS_ERROR(EEXIST); | |
380 | sbflags |= XFS_SB_QFLAGS; | |
381 | ||
382 | if ((error = xfs_qm_write_sb_changes(mp, sbflags))) | |
383 | return (error); | |
384 | /* | |
385 | * If we aren't trying to switch on quota enforcement, we are done. | |
386 | */ | |
387 | if (((mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) != | |
388 | (mp->m_qflags & XFS_UQUOTA_ACCT)) || | |
c8ad20ff NS |
389 | ((mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) != |
390 | (mp->m_qflags & XFS_PQUOTA_ACCT)) || | |
391 | ((mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) != | |
392 | (mp->m_qflags & XFS_GQUOTA_ACCT)) || | |
1da177e4 LT |
393 | (flags & XFS_ALL_QUOTA_ENFD) == 0) |
394 | return (0); | |
395 | ||
396 | if (! XFS_IS_QUOTA_RUNNING(mp)) | |
397 | return XFS_ERROR(ESRCH); | |
398 | ||
399 | /* | |
400 | * Switch on quota enforcement in core. | |
401 | */ | |
8a7b8a89 | 402 | mutex_lock(&mp->m_quotainfo->qi_quotaofflock); |
1da177e4 | 403 | mp->m_qflags |= (flags & XFS_ALL_QUOTA_ENFD); |
8a7b8a89 | 404 | mutex_unlock(&mp->m_quotainfo->qi_quotaofflock); |
1da177e4 LT |
405 | |
406 | return (0); | |
407 | } | |
408 | ||
409 | ||
1da177e4 LT |
410 | /* |
411 | * Return quota status information, such as uquota-off, enforcements, etc. | |
412 | */ | |
fcafb71b | 413 | int |
1da177e4 | 414 | xfs_qm_scall_getqstat( |
8a7b8a89 CH |
415 | struct xfs_mount *mp, |
416 | struct fs_quota_stat *out) | |
1da177e4 | 417 | { |
8a7b8a89 CH |
418 | struct xfs_quotainfo *q = mp->m_quotainfo; |
419 | struct xfs_inode *uip, *gip; | |
420 | boolean_t tempuqip, tempgqip; | |
1da177e4 LT |
421 | |
422 | uip = gip = NULL; | |
423 | tempuqip = tempgqip = B_FALSE; | |
424 | memset(out, 0, sizeof(fs_quota_stat_t)); | |
425 | ||
426 | out->qs_version = FS_QSTAT_VERSION; | |
62118709 | 427 | if (!xfs_sb_version_hasquota(&mp->m_sb)) { |
1da177e4 LT |
428 | out->qs_uquota.qfs_ino = NULLFSINO; |
429 | out->qs_gquota.qfs_ino = NULLFSINO; | |
430 | return (0); | |
431 | } | |
432 | out->qs_flags = (__uint16_t) xfs_qm_export_flags(mp->m_qflags & | |
433 | (XFS_ALL_QUOTA_ACCT| | |
434 | XFS_ALL_QUOTA_ENFD)); | |
435 | out->qs_pad = 0; | |
436 | out->qs_uquota.qfs_ino = mp->m_sb.sb_uquotino; | |
437 | out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino; | |
438 | ||
8a7b8a89 CH |
439 | if (q) { |
440 | uip = q->qi_uquotaip; | |
441 | gip = q->qi_gquotaip; | |
1da177e4 LT |
442 | } |
443 | if (!uip && mp->m_sb.sb_uquotino != NULLFSINO) { | |
444 | if (xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, | |
7b6259e7 | 445 | 0, 0, &uip) == 0) |
1da177e4 LT |
446 | tempuqip = B_TRUE; |
447 | } | |
448 | if (!gip && mp->m_sb.sb_gquotino != NULLFSINO) { | |
449 | if (xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, | |
7b6259e7 | 450 | 0, 0, &gip) == 0) |
1da177e4 LT |
451 | tempgqip = B_TRUE; |
452 | } | |
453 | if (uip) { | |
454 | out->qs_uquota.qfs_nblks = uip->i_d.di_nblocks; | |
455 | out->qs_uquota.qfs_nextents = uip->i_d.di_nextents; | |
456 | if (tempuqip) | |
43355099 | 457 | IRELE(uip); |
1da177e4 LT |
458 | } |
459 | if (gip) { | |
460 | out->qs_gquota.qfs_nblks = gip->i_d.di_nblocks; | |
461 | out->qs_gquota.qfs_nextents = gip->i_d.di_nextents; | |
462 | if (tempgqip) | |
43355099 | 463 | IRELE(gip); |
1da177e4 | 464 | } |
8a7b8a89 CH |
465 | if (q) { |
466 | out->qs_incoredqs = q->qi_dquots; | |
467 | out->qs_btimelimit = q->qi_btimelimit; | |
468 | out->qs_itimelimit = q->qi_itimelimit; | |
469 | out->qs_rtbtimelimit = q->qi_rtbtimelimit; | |
470 | out->qs_bwarnlimit = q->qi_bwarnlimit; | |
471 | out->qs_iwarnlimit = q->qi_iwarnlimit; | |
1da177e4 | 472 | } |
8a7b8a89 | 473 | return 0; |
1da177e4 LT |
474 | } |
475 | ||
c472b432 CH |
476 | #define XFS_DQ_MASK \ |
477 | (FS_DQ_LIMIT_MASK | FS_DQ_TIMER_MASK | FS_DQ_WARNS_MASK) | |
478 | ||
1da177e4 LT |
479 | /* |
480 | * Adjust quota limits, and start/stop timers accordingly. | |
481 | */ | |
fcafb71b | 482 | int |
1da177e4 LT |
483 | xfs_qm_scall_setqlim( |
484 | xfs_mount_t *mp, | |
485 | xfs_dqid_t id, | |
486 | uint type, | |
487 | fs_disk_quota_t *newlim) | |
488 | { | |
8a7b8a89 | 489 | struct xfs_quotainfo *q = mp->m_quotainfo; |
1da177e4 LT |
490 | xfs_disk_dquot_t *ddq; |
491 | xfs_dquot_t *dqp; | |
492 | xfs_trans_t *tp; | |
493 | int error; | |
494 | xfs_qcnt_t hard, soft; | |
495 | ||
c472b432 CH |
496 | if (newlim->d_fieldmask & ~XFS_DQ_MASK) |
497 | return EINVAL; | |
498 | if ((newlim->d_fieldmask & XFS_DQ_MASK) == 0) | |
499 | return 0; | |
1da177e4 LT |
500 | |
501 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SETQLIM); | |
502 | if ((error = xfs_trans_reserve(tp, 0, sizeof(xfs_disk_dquot_t) + 128, | |
503 | 0, 0, XFS_DEFAULT_LOG_COUNT))) { | |
504 | xfs_trans_cancel(tp, 0); | |
505 | return (error); | |
506 | } | |
507 | ||
508 | /* | |
509 | * We don't want to race with a quotaoff so take the quotaoff lock. | |
510 | * (We don't hold an inode lock, so there's nothing else to stop | |
511 | * a quotaoff from happening). (XXXThis doesn't currently happen | |
512 | * because we take the vfslock before calling xfs_qm_sysent). | |
513 | */ | |
8a7b8a89 | 514 | mutex_lock(&q->qi_quotaofflock); |
1da177e4 LT |
515 | |
516 | /* | |
517 | * Get the dquot (locked), and join it to the transaction. | |
518 | * Allocate the dquot if this doesn't exist. | |
519 | */ | |
520 | if ((error = xfs_qm_dqget(mp, NULL, id, type, XFS_QMOPT_DQALLOC, &dqp))) { | |
521 | xfs_trans_cancel(tp, XFS_TRANS_ABORT); | |
1da177e4 | 522 | ASSERT(error != ENOENT); |
8a7b8a89 | 523 | goto out_unlock; |
1da177e4 | 524 | } |
1da177e4 LT |
525 | xfs_trans_dqjoin(tp, dqp); |
526 | ddq = &dqp->q_core; | |
527 | ||
528 | /* | |
529 | * Make sure that hardlimits are >= soft limits before changing. | |
530 | */ | |
531 | hard = (newlim->d_fieldmask & FS_DQ_BHARD) ? | |
532 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_hardlimit) : | |
1149d96a | 533 | be64_to_cpu(ddq->d_blk_hardlimit); |
1da177e4 LT |
534 | soft = (newlim->d_fieldmask & FS_DQ_BSOFT) ? |
535 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_softlimit) : | |
1149d96a | 536 | be64_to_cpu(ddq->d_blk_softlimit); |
1da177e4 | 537 | if (hard == 0 || hard >= soft) { |
1149d96a CH |
538 | ddq->d_blk_hardlimit = cpu_to_be64(hard); |
539 | ddq->d_blk_softlimit = cpu_to_be64(soft); | |
1da177e4 | 540 | if (id == 0) { |
8a7b8a89 CH |
541 | q->qi_bhardlimit = hard; |
542 | q->qi_bsoftlimit = soft; | |
1da177e4 LT |
543 | } |
544 | } else { | |
8221112b | 545 | xfs_debug(mp, "blkhard %Ld < blksoft %Ld\n", hard, soft); |
1da177e4 LT |
546 | } |
547 | hard = (newlim->d_fieldmask & FS_DQ_RTBHARD) ? | |
548 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_rtb_hardlimit) : | |
1149d96a | 549 | be64_to_cpu(ddq->d_rtb_hardlimit); |
1da177e4 LT |
550 | soft = (newlim->d_fieldmask & FS_DQ_RTBSOFT) ? |
551 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_rtb_softlimit) : | |
1149d96a | 552 | be64_to_cpu(ddq->d_rtb_softlimit); |
1da177e4 | 553 | if (hard == 0 || hard >= soft) { |
1149d96a CH |
554 | ddq->d_rtb_hardlimit = cpu_to_be64(hard); |
555 | ddq->d_rtb_softlimit = cpu_to_be64(soft); | |
1da177e4 | 556 | if (id == 0) { |
8a7b8a89 CH |
557 | q->qi_rtbhardlimit = hard; |
558 | q->qi_rtbsoftlimit = soft; | |
1da177e4 LT |
559 | } |
560 | } else { | |
8221112b | 561 | xfs_debug(mp, "rtbhard %Ld < rtbsoft %Ld\n", hard, soft); |
1da177e4 LT |
562 | } |
563 | ||
564 | hard = (newlim->d_fieldmask & FS_DQ_IHARD) ? | |
565 | (xfs_qcnt_t) newlim->d_ino_hardlimit : | |
1149d96a | 566 | be64_to_cpu(ddq->d_ino_hardlimit); |
1da177e4 LT |
567 | soft = (newlim->d_fieldmask & FS_DQ_ISOFT) ? |
568 | (xfs_qcnt_t) newlim->d_ino_softlimit : | |
1149d96a | 569 | be64_to_cpu(ddq->d_ino_softlimit); |
1da177e4 | 570 | if (hard == 0 || hard >= soft) { |
1149d96a CH |
571 | ddq->d_ino_hardlimit = cpu_to_be64(hard); |
572 | ddq->d_ino_softlimit = cpu_to_be64(soft); | |
1da177e4 | 573 | if (id == 0) { |
8a7b8a89 CH |
574 | q->qi_ihardlimit = hard; |
575 | q->qi_isoftlimit = soft; | |
1da177e4 LT |
576 | } |
577 | } else { | |
8221112b | 578 | xfs_debug(mp, "ihard %Ld < isoft %Ld\n", hard, soft); |
1da177e4 LT |
579 | } |
580 | ||
754002b4 NS |
581 | /* |
582 | * Update warnings counter(s) if requested | |
583 | */ | |
584 | if (newlim->d_fieldmask & FS_DQ_BWARNS) | |
1149d96a | 585 | ddq->d_bwarns = cpu_to_be16(newlim->d_bwarns); |
754002b4 | 586 | if (newlim->d_fieldmask & FS_DQ_IWARNS) |
1149d96a | 587 | ddq->d_iwarns = cpu_to_be16(newlim->d_iwarns); |
754002b4 | 588 | if (newlim->d_fieldmask & FS_DQ_RTBWARNS) |
1149d96a | 589 | ddq->d_rtbwarns = cpu_to_be16(newlim->d_rtbwarns); |
754002b4 | 590 | |
1da177e4 LT |
591 | if (id == 0) { |
592 | /* | |
593 | * Timelimits for the super user set the relative time | |
594 | * the other users can be over quota for this file system. | |
595 | * If it is zero a default is used. Ditto for the default | |
754002b4 NS |
596 | * soft and hard limit values (already done, above), and |
597 | * for warnings. | |
1da177e4 LT |
598 | */ |
599 | if (newlim->d_fieldmask & FS_DQ_BTIMER) { | |
8a7b8a89 | 600 | q->qi_btimelimit = newlim->d_btimer; |
1149d96a | 601 | ddq->d_btimer = cpu_to_be32(newlim->d_btimer); |
1da177e4 LT |
602 | } |
603 | if (newlim->d_fieldmask & FS_DQ_ITIMER) { | |
8a7b8a89 | 604 | q->qi_itimelimit = newlim->d_itimer; |
1149d96a | 605 | ddq->d_itimer = cpu_to_be32(newlim->d_itimer); |
1da177e4 LT |
606 | } |
607 | if (newlim->d_fieldmask & FS_DQ_RTBTIMER) { | |
8a7b8a89 | 608 | q->qi_rtbtimelimit = newlim->d_rtbtimer; |
1149d96a | 609 | ddq->d_rtbtimer = cpu_to_be32(newlim->d_rtbtimer); |
1da177e4 | 610 | } |
754002b4 | 611 | if (newlim->d_fieldmask & FS_DQ_BWARNS) |
8a7b8a89 | 612 | q->qi_bwarnlimit = newlim->d_bwarns; |
754002b4 | 613 | if (newlim->d_fieldmask & FS_DQ_IWARNS) |
8a7b8a89 | 614 | q->qi_iwarnlimit = newlim->d_iwarns; |
754002b4 | 615 | if (newlim->d_fieldmask & FS_DQ_RTBWARNS) |
8a7b8a89 | 616 | q->qi_rtbwarnlimit = newlim->d_rtbwarns; |
754002b4 | 617 | } else { |
1da177e4 LT |
618 | /* |
619 | * If the user is now over quota, start the timelimit. | |
620 | * The user will not be 'warned'. | |
621 | * Note that we keep the timers ticking, whether enforcement | |
622 | * is on or off. We don't really want to bother with iterating | |
623 | * over all ondisk dquots and turning the timers on/off. | |
624 | */ | |
625 | xfs_qm_adjust_dqtimers(mp, ddq); | |
626 | } | |
627 | dqp->dq_flags |= XFS_DQ_DIRTY; | |
628 | xfs_trans_log_dquot(tp, dqp); | |
629 | ||
e5720eec | 630 | error = xfs_trans_commit(tp, 0); |
1da177e4 | 631 | xfs_qm_dqrele(dqp); |
1da177e4 | 632 | |
8a7b8a89 CH |
633 | out_unlock: |
634 | mutex_unlock(&q->qi_quotaofflock); | |
e5720eec | 635 | return error; |
1da177e4 LT |
636 | } |
637 | ||
fcafb71b | 638 | int |
1da177e4 LT |
639 | xfs_qm_scall_getquota( |
640 | xfs_mount_t *mp, | |
641 | xfs_dqid_t id, | |
642 | uint type, | |
643 | fs_disk_quota_t *out) | |
644 | { | |
645 | xfs_dquot_t *dqp; | |
646 | int error; | |
647 | ||
648 | /* | |
649 | * Try to get the dquot. We don't want it allocated on disk, so | |
650 | * we aren't passing the XFS_QMOPT_DOALLOC flag. If it doesn't | |
651 | * exist, we'll get ENOENT back. | |
652 | */ | |
653 | if ((error = xfs_qm_dqget(mp, NULL, id, type, 0, &dqp))) { | |
654 | return (error); | |
655 | } | |
656 | ||
1da177e4 LT |
657 | /* |
658 | * If everything's NULL, this dquot doesn't quite exist as far as | |
659 | * our utility programs are concerned. | |
660 | */ | |
661 | if (XFS_IS_DQUOT_UNINITIALIZED(dqp)) { | |
662 | xfs_qm_dqput(dqp); | |
663 | return XFS_ERROR(ENOENT); | |
664 | } | |
1da177e4 LT |
665 | /* |
666 | * Convert the disk dquot to the exportable format | |
667 | */ | |
668 | xfs_qm_export_dquot(mp, &dqp->q_core, out); | |
669 | xfs_qm_dqput(dqp); | |
670 | return (error ? XFS_ERROR(EFAULT) : 0); | |
671 | } | |
672 | ||
673 | ||
674 | STATIC int | |
675 | xfs_qm_log_quotaoff_end( | |
676 | xfs_mount_t *mp, | |
677 | xfs_qoff_logitem_t *startqoff, | |
678 | uint flags) | |
679 | { | |
c8ad20ff | 680 | xfs_trans_t *tp; |
1da177e4 | 681 | int error; |
c8ad20ff | 682 | xfs_qoff_logitem_t *qoffi; |
1da177e4 LT |
683 | |
684 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF_END); | |
685 | ||
686 | if ((error = xfs_trans_reserve(tp, 0, sizeof(xfs_qoff_logitem_t) * 2, | |
687 | 0, 0, XFS_DEFAULT_LOG_COUNT))) { | |
688 | xfs_trans_cancel(tp, 0); | |
689 | return (error); | |
690 | } | |
691 | ||
692 | qoffi = xfs_trans_get_qoff_item(tp, startqoff, | |
693 | flags & XFS_ALL_QUOTA_ACCT); | |
694 | xfs_trans_log_quotaoff_item(tp, qoffi); | |
695 | ||
696 | /* | |
697 | * We have to make sure that the transaction is secure on disk before we | |
698 | * return and actually stop quota accounting. So, make it synchronous. | |
699 | * We don't care about quotoff's performance. | |
700 | */ | |
701 | xfs_trans_set_sync(tp); | |
1c72bf90 | 702 | error = xfs_trans_commit(tp, 0); |
1da177e4 LT |
703 | return (error); |
704 | } | |
705 | ||
706 | ||
707 | STATIC int | |
708 | xfs_qm_log_quotaoff( | |
709 | xfs_mount_t *mp, | |
710 | xfs_qoff_logitem_t **qoffstartp, | |
711 | uint flags) | |
712 | { | |
713 | xfs_trans_t *tp; | |
714 | int error; | |
1da177e4 LT |
715 | xfs_qoff_logitem_t *qoffi=NULL; |
716 | uint oldsbqflag=0; | |
717 | ||
718 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF); | |
719 | if ((error = xfs_trans_reserve(tp, 0, | |
720 | sizeof(xfs_qoff_logitem_t) * 2 + | |
721 | mp->m_sb.sb_sectsize + 128, | |
722 | 0, | |
723 | 0, | |
724 | XFS_DEFAULT_LOG_COUNT))) { | |
725 | goto error0; | |
726 | } | |
727 | ||
728 | qoffi = xfs_trans_get_qoff_item(tp, NULL, flags & XFS_ALL_QUOTA_ACCT); | |
729 | xfs_trans_log_quotaoff_item(tp, qoffi); | |
730 | ||
3685c2a1 | 731 | spin_lock(&mp->m_sb_lock); |
1da177e4 LT |
732 | oldsbqflag = mp->m_sb.sb_qflags; |
733 | mp->m_sb.sb_qflags = (mp->m_qflags & ~(flags)) & XFS_MOUNT_QUOTA_ALL; | |
3685c2a1 | 734 | spin_unlock(&mp->m_sb_lock); |
1da177e4 LT |
735 | |
736 | xfs_mod_sb(tp, XFS_SB_QFLAGS); | |
737 | ||
738 | /* | |
739 | * We have to make sure that the transaction is secure on disk before we | |
740 | * return and actually stop quota accounting. So, make it synchronous. | |
741 | * We don't care about quotoff's performance. | |
742 | */ | |
743 | xfs_trans_set_sync(tp); | |
1c72bf90 | 744 | error = xfs_trans_commit(tp, 0); |
1da177e4 LT |
745 | |
746 | error0: | |
747 | if (error) { | |
748 | xfs_trans_cancel(tp, 0); | |
749 | /* | |
750 | * No one else is modifying sb_qflags, so this is OK. | |
751 | * We still hold the quotaofflock. | |
752 | */ | |
3685c2a1 | 753 | spin_lock(&mp->m_sb_lock); |
1da177e4 | 754 | mp->m_sb.sb_qflags = oldsbqflag; |
3685c2a1 | 755 | spin_unlock(&mp->m_sb_lock); |
1da177e4 LT |
756 | } |
757 | *qoffstartp = qoffi; | |
758 | return (error); | |
759 | } | |
760 | ||
761 | ||
762 | /* | |
763 | * Translate an internal style on-disk-dquot to the exportable format. | |
764 | * The main differences are that the counters/limits are all in Basic | |
765 | * Blocks (BBs) instead of the internal FSBs, and all on-disk data has | |
766 | * to be converted to the native endianness. | |
767 | */ | |
768 | STATIC void | |
769 | xfs_qm_export_dquot( | |
770 | xfs_mount_t *mp, | |
771 | xfs_disk_dquot_t *src, | |
772 | struct fs_disk_quota *dst) | |
773 | { | |
774 | memset(dst, 0, sizeof(*dst)); | |
775 | dst->d_version = FS_DQUOT_VERSION; /* different from src->d_version */ | |
1149d96a CH |
776 | dst->d_flags = xfs_qm_export_qtype_flags(src->d_flags); |
777 | dst->d_id = be32_to_cpu(src->d_id); | |
778 | dst->d_blk_hardlimit = | |
779 | XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_blk_hardlimit)); | |
780 | dst->d_blk_softlimit = | |
781 | XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_blk_softlimit)); | |
782 | dst->d_ino_hardlimit = be64_to_cpu(src->d_ino_hardlimit); | |
783 | dst->d_ino_softlimit = be64_to_cpu(src->d_ino_softlimit); | |
784 | dst->d_bcount = XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_bcount)); | |
785 | dst->d_icount = be64_to_cpu(src->d_icount); | |
786 | dst->d_btimer = be32_to_cpu(src->d_btimer); | |
787 | dst->d_itimer = be32_to_cpu(src->d_itimer); | |
788 | dst->d_iwarns = be16_to_cpu(src->d_iwarns); | |
789 | dst->d_bwarns = be16_to_cpu(src->d_bwarns); | |
790 | dst->d_rtb_hardlimit = | |
791 | XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_rtb_hardlimit)); | |
792 | dst->d_rtb_softlimit = | |
793 | XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_rtb_softlimit)); | |
794 | dst->d_rtbcount = XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_rtbcount)); | |
795 | dst->d_rtbtimer = be32_to_cpu(src->d_rtbtimer); | |
796 | dst->d_rtbwarns = be16_to_cpu(src->d_rtbwarns); | |
1da177e4 LT |
797 | |
798 | /* | |
799 | * Internally, we don't reset all the timers when quota enforcement | |
c41564b5 | 800 | * gets turned off. No need to confuse the user level code, |
1da177e4 LT |
801 | * so return zeroes in that case. |
802 | */ | |
e6d29426 KO |
803 | if ((!XFS_IS_UQUOTA_ENFORCED(mp) && src->d_flags == XFS_DQ_USER) || |
804 | (!XFS_IS_OQUOTA_ENFORCED(mp) && | |
805 | (src->d_flags & (XFS_DQ_PROJ | XFS_DQ_GROUP)))) { | |
1da177e4 LT |
806 | dst->d_btimer = 0; |
807 | dst->d_itimer = 0; | |
808 | dst->d_rtbtimer = 0; | |
809 | } | |
810 | ||
811 | #ifdef DEBUG | |
ade7ce31 | 812 | if (((XFS_IS_UQUOTA_ENFORCED(mp) && dst->d_flags == FS_USER_QUOTA) || |
e6d29426 | 813 | (XFS_IS_OQUOTA_ENFORCED(mp) && |
ade7ce31 | 814 | (dst->d_flags & (FS_PROJ_QUOTA | FS_GROUP_QUOTA)))) && |
e6d29426 | 815 | dst->d_id != 0) { |
d0a3fe67 | 816 | if (((int) dst->d_bcount > (int) dst->d_blk_softlimit) && |
1da177e4 LT |
817 | (dst->d_blk_softlimit > 0)) { |
818 | ASSERT(dst->d_btimer != 0); | |
819 | } | |
d0a3fe67 | 820 | if (((int) dst->d_icount > (int) dst->d_ino_softlimit) && |
1da177e4 LT |
821 | (dst->d_ino_softlimit > 0)) { |
822 | ASSERT(dst->d_itimer != 0); | |
823 | } | |
824 | } | |
825 | #endif | |
826 | } | |
827 | ||
1da177e4 LT |
828 | STATIC uint |
829 | xfs_qm_export_qtype_flags( | |
830 | uint flags) | |
831 | { | |
832 | /* | |
c8ad20ff | 833 | * Can't be more than one, or none. |
1da177e4 | 834 | */ |
ade7ce31 CH |
835 | ASSERT((flags & (FS_PROJ_QUOTA | FS_USER_QUOTA)) != |
836 | (FS_PROJ_QUOTA | FS_USER_QUOTA)); | |
837 | ASSERT((flags & (FS_PROJ_QUOTA | FS_GROUP_QUOTA)) != | |
838 | (FS_PROJ_QUOTA | FS_GROUP_QUOTA)); | |
839 | ASSERT((flags & (FS_USER_QUOTA | FS_GROUP_QUOTA)) != | |
840 | (FS_USER_QUOTA | FS_GROUP_QUOTA)); | |
841 | ASSERT((flags & (FS_PROJ_QUOTA|FS_USER_QUOTA|FS_GROUP_QUOTA)) != 0); | |
1da177e4 LT |
842 | |
843 | return (flags & XFS_DQ_USER) ? | |
ade7ce31 CH |
844 | FS_USER_QUOTA : (flags & XFS_DQ_PROJ) ? |
845 | FS_PROJ_QUOTA : FS_GROUP_QUOTA; | |
1da177e4 LT |
846 | } |
847 | ||
1da177e4 LT |
848 | STATIC uint |
849 | xfs_qm_export_flags( | |
850 | uint flags) | |
851 | { | |
852 | uint uflags; | |
853 | ||
854 | uflags = 0; | |
855 | if (flags & XFS_UQUOTA_ACCT) | |
ade7ce31 | 856 | uflags |= FS_QUOTA_UDQ_ACCT; |
c8ad20ff | 857 | if (flags & XFS_PQUOTA_ACCT) |
ade7ce31 | 858 | uflags |= FS_QUOTA_PDQ_ACCT; |
1da177e4 | 859 | if (flags & XFS_GQUOTA_ACCT) |
ade7ce31 | 860 | uflags |= FS_QUOTA_GDQ_ACCT; |
1da177e4 | 861 | if (flags & XFS_UQUOTA_ENFD) |
ade7ce31 | 862 | uflags |= FS_QUOTA_UDQ_ENFD; |
c8ad20ff NS |
863 | if (flags & (XFS_OQUOTA_ENFD)) { |
864 | uflags |= (flags & XFS_GQUOTA_ACCT) ? | |
ade7ce31 | 865 | FS_QUOTA_GDQ_ENFD : FS_QUOTA_PDQ_ENFD; |
c8ad20ff | 866 | } |
1da177e4 LT |
867 | return (uflags); |
868 | } | |
869 | ||
870 | ||
fe588ed3 CH |
871 | STATIC int |
872 | xfs_dqrele_inode( | |
873 | struct xfs_inode *ip, | |
874 | struct xfs_perag *pag, | |
875 | int flags) | |
1da177e4 | 876 | { |
fe588ed3 | 877 | /* skip quota inodes */ |
8a7b8a89 CH |
878 | if (ip == ip->i_mount->m_quotainfo->qi_uquotaip || |
879 | ip == ip->i_mount->m_quotainfo->qi_gquotaip) { | |
fe588ed3 CH |
880 | ASSERT(ip->i_udquot == NULL); |
881 | ASSERT(ip->i_gdquot == NULL); | |
fe588ed3 CH |
882 | return 0; |
883 | } | |
cb4f0d1d | 884 | |
fe588ed3 CH |
885 | xfs_ilock(ip, XFS_ILOCK_EXCL); |
886 | if ((flags & XFS_UQUOTA_ACCT) && ip->i_udquot) { | |
887 | xfs_qm_dqrele(ip->i_udquot); | |
888 | ip->i_udquot = NULL; | |
889 | } | |
890 | if (flags & (XFS_PQUOTA_ACCT|XFS_GQUOTA_ACCT) && ip->i_gdquot) { | |
891 | xfs_qm_dqrele(ip->i_gdquot); | |
892 | ip->i_gdquot = NULL; | |
893 | } | |
f2d67614 | 894 | xfs_iunlock(ip, XFS_ILOCK_EXCL); |
fe588ed3 | 895 | return 0; |
5b4d89ae DC |
896 | } |
897 | ||
fe588ed3 | 898 | |
5b4d89ae DC |
899 | /* |
900 | * Go thru all the inodes in the file system, releasing their dquots. | |
fe588ed3 | 901 | * |
5b4d89ae | 902 | * Note that the mount structure gets modified to indicate that quotas are off |
fe588ed3 | 903 | * AFTER this, in the case of quotaoff. |
5b4d89ae DC |
904 | */ |
905 | void | |
906 | xfs_qm_dqrele_all_inodes( | |
907 | struct xfs_mount *mp, | |
908 | uint flags) | |
909 | { | |
5b4d89ae | 910 | ASSERT(mp->m_quotainfo); |
65d0f205 | 911 | xfs_inode_ag_iterator(mp, xfs_dqrele_inode, flags); |
1da177e4 | 912 | } |