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 | 49 | STATIC uint xfs_qm_export_qtype_flags(uint); |
1da177e4 | 50 | |
1da177e4 LT |
51 | /* |
52 | * Turn off quota accounting and/or enforcement for all udquots and/or | |
53 | * gdquots. Called only at unmount time. | |
54 | * | |
55 | * This assumes that there are no dquots of this file system cached | |
56 | * incore, and modifies the ondisk dquot directly. Therefore, for example, | |
57 | * it is an error to call this twice, without purging the cache. | |
58 | */ | |
fcafb71b | 59 | int |
1da177e4 LT |
60 | xfs_qm_scall_quotaoff( |
61 | xfs_mount_t *mp, | |
fcafb71b | 62 | uint flags) |
1da177e4 | 63 | { |
8a7b8a89 | 64 | struct xfs_quotainfo *q = mp->m_quotainfo; |
1da177e4 | 65 | uint dqtype; |
1da177e4 LT |
66 | int error; |
67 | uint inactivate_flags; | |
68 | xfs_qoff_logitem_t *qoffstart; | |
69 | int nculprits; | |
70 | ||
1da177e4 LT |
71 | /* |
72 | * No file system can have quotas enabled on disk but not in core. | |
73 | * Note that quota utilities (like quotaoff) _expect_ | |
74 | * errno == EEXIST here. | |
75 | */ | |
76 | if ((mp->m_qflags & flags) == 0) | |
77 | return XFS_ERROR(EEXIST); | |
78 | error = 0; | |
79 | ||
80 | flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD); | |
81 | ||
82 | /* | |
83 | * We don't want to deal with two quotaoffs messing up each other, | |
84 | * so we're going to serialize it. quotaoff isn't exactly a performance | |
85 | * critical thing. | |
86 | * If quotaoff, then we must be dealing with the root filesystem. | |
87 | */ | |
8a7b8a89 CH |
88 | ASSERT(q); |
89 | mutex_lock(&q->qi_quotaofflock); | |
1da177e4 LT |
90 | |
91 | /* | |
92 | * If we're just turning off quota enforcement, change mp and go. | |
93 | */ | |
94 | if ((flags & XFS_ALL_QUOTA_ACCT) == 0) { | |
95 | mp->m_qflags &= ~(flags); | |
96 | ||
3685c2a1 | 97 | spin_lock(&mp->m_sb_lock); |
1da177e4 | 98 | mp->m_sb.sb_qflags = mp->m_qflags; |
3685c2a1 | 99 | spin_unlock(&mp->m_sb_lock); |
8a7b8a89 | 100 | mutex_unlock(&q->qi_quotaofflock); |
1da177e4 LT |
101 | |
102 | /* XXX what to do if error ? Revert back to old vals incore ? */ | |
103 | error = xfs_qm_write_sb_changes(mp, XFS_SB_QFLAGS); | |
104 | return (error); | |
105 | } | |
106 | ||
107 | dqtype = 0; | |
108 | inactivate_flags = 0; | |
109 | /* | |
110 | * If accounting is off, we must turn enforcement off, clear the | |
111 | * quota 'CHKD' certificate to make it known that we have to | |
112 | * do a quotacheck the next time this quota is turned on. | |
113 | */ | |
114 | if (flags & XFS_UQUOTA_ACCT) { | |
115 | dqtype |= XFS_QMOPT_UQUOTA; | |
116 | flags |= (XFS_UQUOTA_CHKD | XFS_UQUOTA_ENFD); | |
117 | inactivate_flags |= XFS_UQUOTA_ACTIVE; | |
118 | } | |
119 | if (flags & XFS_GQUOTA_ACCT) { | |
120 | dqtype |= XFS_QMOPT_GQUOTA; | |
c8ad20ff | 121 | flags |= (XFS_OQUOTA_CHKD | XFS_OQUOTA_ENFD); |
1da177e4 | 122 | inactivate_flags |= XFS_GQUOTA_ACTIVE; |
c8ad20ff NS |
123 | } else if (flags & XFS_PQUOTA_ACCT) { |
124 | dqtype |= XFS_QMOPT_PQUOTA; | |
125 | flags |= (XFS_OQUOTA_CHKD | XFS_OQUOTA_ENFD); | |
126 | inactivate_flags |= XFS_PQUOTA_ACTIVE; | |
1da177e4 LT |
127 | } |
128 | ||
129 | /* | |
130 | * Nothing to do? Don't complain. This happens when we're just | |
131 | * turning off quota enforcement. | |
132 | */ | |
8a7b8a89 CH |
133 | if ((mp->m_qflags & flags) == 0) |
134 | goto out_unlock; | |
1da177e4 LT |
135 | |
136 | /* | |
137 | * Write the LI_QUOTAOFF log record, and do SB changes atomically, | |
cb6edc26 DC |
138 | * and synchronously. If we fail to write, we should abort the |
139 | * operation as it cannot be recovered safely if we crash. | |
1da177e4 | 140 | */ |
cb6edc26 DC |
141 | error = xfs_qm_log_quotaoff(mp, &qoffstart, flags); |
142 | if (error) | |
8a7b8a89 | 143 | goto out_unlock; |
1da177e4 LT |
144 | |
145 | /* | |
146 | * Next we clear the XFS_MOUNT_*DQ_ACTIVE bit(s) in the mount struct | |
147 | * to take care of the race between dqget and quotaoff. We don't take | |
148 | * any special locks to reset these bits. All processes need to check | |
149 | * these bits *after* taking inode lock(s) to see if the particular | |
150 | * quota type is in the process of being turned off. If *ACTIVE, it is | |
151 | * guaranteed that all dquot structures and all quotainode ptrs will all | |
152 | * stay valid as long as that inode is kept locked. | |
153 | * | |
154 | * There is no turning back after this. | |
155 | */ | |
156 | mp->m_qflags &= ~inactivate_flags; | |
157 | ||
158 | /* | |
159 | * Give back all the dquot reference(s) held by inodes. | |
160 | * Here we go thru every single incore inode in this file system, and | |
161 | * do a dqrele on the i_udquot/i_gdquot that it may have. | |
162 | * Essentially, as long as somebody has an inode locked, this guarantees | |
163 | * that quotas will not be turned off. This is handy because in a | |
164 | * transaction once we lock the inode(s) and check for quotaon, we can | |
165 | * depend on the quota inodes (and other things) being valid as long as | |
166 | * we keep the lock(s). | |
167 | */ | |
168 | xfs_qm_dqrele_all_inodes(mp, flags); | |
169 | ||
170 | /* | |
171 | * Next we make the changes in the quota flag in the mount struct. | |
172 | * This isn't protected by a particular lock directly, because we | |
25985edc | 173 | * don't want to take a mrlock every time we depend on quotas being on. |
1da177e4 LT |
174 | */ |
175 | mp->m_qflags &= ~(flags); | |
176 | ||
177 | /* | |
178 | * Go through all the dquots of this file system and purge them, | |
179 | * according to what was turned off. We may not be able to get rid | |
180 | * of all dquots, because dquots can have temporary references that | |
181 | * are not attached to inodes. eg. xfs_setattr, xfs_create. | |
182 | * So, if we couldn't purge all the dquots from the filesystem, | |
183 | * we can't get rid of the incore data structures. | |
184 | */ | |
8112e9dc | 185 | while ((nculprits = xfs_qm_dqpurge_all(mp, dqtype))) |
1da177e4 LT |
186 | delay(10 * nculprits); |
187 | ||
188 | /* | |
189 | * Transactions that had started before ACTIVE state bit was cleared | |
190 | * could have logged many dquots, so they'd have higher LSNs than | |
191 | * the first QUOTAOFF log record does. If we happen to crash when | |
192 | * the tail of the log has gone past the QUOTAOFF record, but | |
193 | * before the last dquot modification, those dquots __will__ | |
194 | * recover, and that's not good. | |
195 | * | |
196 | * So, we have QUOTAOFF start and end logitems; the start | |
197 | * logitem won't get overwritten until the end logitem appears... | |
198 | */ | |
cb6edc26 DC |
199 | error = xfs_qm_log_quotaoff_end(mp, qoffstart, flags); |
200 | if (error) { | |
201 | /* We're screwed now. Shutdown is the only option. */ | |
202 | xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE); | |
8a7b8a89 | 203 | goto out_unlock; |
cb6edc26 | 204 | } |
1da177e4 LT |
205 | |
206 | /* | |
207 | * If quotas is completely disabled, close shop. | |
208 | */ | |
c8ad20ff NS |
209 | if (((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_SET1) || |
210 | ((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_SET2)) { | |
8a7b8a89 | 211 | mutex_unlock(&q->qi_quotaofflock); |
1da177e4 LT |
212 | xfs_qm_destroy_quotainfo(mp); |
213 | return (0); | |
214 | } | |
215 | ||
216 | /* | |
8a7b8a89 | 217 | * Release our quotainode references if we don't need them anymore. |
1da177e4 | 218 | */ |
8a7b8a89 CH |
219 | if ((dqtype & XFS_QMOPT_UQUOTA) && q->qi_uquotaip) { |
220 | IRELE(q->qi_uquotaip); | |
221 | q->qi_uquotaip = NULL; | |
1da177e4 | 222 | } |
8a7b8a89 CH |
223 | if ((dqtype & (XFS_QMOPT_GQUOTA|XFS_QMOPT_PQUOTA)) && q->qi_gquotaip) { |
224 | IRELE(q->qi_gquotaip); | |
225 | q->qi_gquotaip = NULL; | |
1da177e4 | 226 | } |
1da177e4 | 227 | |
8a7b8a89 CH |
228 | out_unlock: |
229 | mutex_unlock(&q->qi_quotaofflock); | |
230 | return error; | |
1da177e4 LT |
231 | } |
232 | ||
5d18898b CH |
233 | STATIC int |
234 | xfs_qm_scall_trunc_qfile( | |
235 | struct xfs_mount *mp, | |
236 | xfs_ino_t ino) | |
237 | { | |
238 | struct xfs_inode *ip; | |
239 | struct xfs_trans *tp; | |
240 | int error; | |
241 | ||
242 | if (ino == NULLFSINO) | |
243 | return 0; | |
244 | ||
245 | error = xfs_iget(mp, NULL, ino, 0, 0, &ip); | |
246 | if (error) | |
247 | return error; | |
248 | ||
249 | xfs_ilock(ip, XFS_IOLOCK_EXCL); | |
250 | ||
251 | tp = xfs_trans_alloc(mp, XFS_TRANS_TRUNCATE_FILE); | |
252 | error = xfs_trans_reserve(tp, 0, XFS_ITRUNCATE_LOG_RES(mp), 0, | |
253 | XFS_TRANS_PERM_LOG_RES, | |
254 | XFS_ITRUNCATE_LOG_COUNT); | |
255 | if (error) { | |
256 | xfs_trans_cancel(tp, 0); | |
257 | xfs_iunlock(ip, XFS_IOLOCK_EXCL); | |
258 | goto out_put; | |
259 | } | |
260 | ||
261 | xfs_ilock(ip, XFS_ILOCK_EXCL); | |
ddc3415a | 262 | xfs_trans_ijoin(tp, ip, 0); |
5d18898b | 263 | |
673e8e59 | 264 | ip->i_d.di_size = 0; |
673e8e59 CH |
265 | xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); |
266 | ||
267 | error = xfs_itruncate_extents(&tp, ip, XFS_DATA_FORK, 0); | |
5d18898b CH |
268 | if (error) { |
269 | xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES | | |
270 | XFS_TRANS_ABORT); | |
271 | goto out_unlock; | |
272 | } | |
273 | ||
673e8e59 CH |
274 | ASSERT(ip->i_d.di_nextents == 0); |
275 | ||
dcd79a14 | 276 | xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); |
5d18898b CH |
277 | error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); |
278 | ||
279 | out_unlock: | |
280 | xfs_iunlock(ip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL); | |
281 | out_put: | |
282 | IRELE(ip); | |
283 | return error; | |
284 | } | |
285 | ||
fcafb71b | 286 | int |
1da177e4 LT |
287 | xfs_qm_scall_trunc_qfiles( |
288 | xfs_mount_t *mp, | |
289 | uint flags) | |
290 | { | |
88ab0208 | 291 | int error = 0, error2 = 0; |
1da177e4 | 292 | |
62118709 | 293 | if (!xfs_sb_version_hasquota(&mp->m_sb) || flags == 0) { |
8221112b DC |
294 | xfs_debug(mp, "%s: flags=%x m_qflags=%x\n", |
295 | __func__, flags, mp->m_qflags); | |
1da177e4 LT |
296 | return XFS_ERROR(EINVAL); |
297 | } | |
298 | ||
5d18898b CH |
299 | if (flags & XFS_DQ_USER) |
300 | error = xfs_qm_scall_trunc_qfile(mp, mp->m_sb.sb_uquotino); | |
301 | if (flags & (XFS_DQ_GROUP|XFS_DQ_PROJ)) | |
302 | error2 = xfs_qm_scall_trunc_qfile(mp, mp->m_sb.sb_gquotino); | |
1da177e4 | 303 | |
88ab0208 | 304 | return error ? error : error2; |
1da177e4 LT |
305 | } |
306 | ||
1da177e4 LT |
307 | /* |
308 | * Switch on (a given) quota enforcement for a filesystem. This takes | |
309 | * effect immediately. | |
310 | * (Switching on quota accounting must be done at mount time.) | |
311 | */ | |
fcafb71b | 312 | int |
1da177e4 LT |
313 | xfs_qm_scall_quotaon( |
314 | xfs_mount_t *mp, | |
315 | uint flags) | |
316 | { | |
317 | int error; | |
1da177e4 | 318 | uint qf; |
1da177e4 LT |
319 | __int64_t sbflags; |
320 | ||
1da177e4 LT |
321 | flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD); |
322 | /* | |
323 | * Switching on quota accounting must be done at mount time. | |
324 | */ | |
1da177e4 LT |
325 | flags &= ~(XFS_ALL_QUOTA_ACCT); |
326 | ||
327 | sbflags = 0; | |
328 | ||
329 | if (flags == 0) { | |
8221112b DC |
330 | xfs_debug(mp, "%s: zero flags, m_qflags=%x\n", |
331 | __func__, mp->m_qflags); | |
1da177e4 LT |
332 | return XFS_ERROR(EINVAL); |
333 | } | |
334 | ||
335 | /* No fs can turn on quotas with a delayed effect */ | |
336 | ASSERT((flags & XFS_ALL_QUOTA_ACCT) == 0); | |
337 | ||
338 | /* | |
339 | * Can't enforce without accounting. We check the superblock | |
340 | * qflags here instead of m_qflags because rootfs can have | |
341 | * quota acct on ondisk without m_qflags' knowing. | |
342 | */ | |
343 | if (((flags & XFS_UQUOTA_ACCT) == 0 && | |
344 | (mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) == 0 && | |
345 | (flags & XFS_UQUOTA_ENFD)) | |
346 | || | |
c8ad20ff NS |
347 | ((flags & XFS_PQUOTA_ACCT) == 0 && |
348 | (mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) == 0 && | |
424ea91b | 349 | (flags & XFS_GQUOTA_ACCT) == 0 && |
1da177e4 | 350 | (mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) == 0 && |
c8ad20ff | 351 | (flags & XFS_OQUOTA_ENFD))) { |
8221112b DC |
352 | xfs_debug(mp, |
353 | "%s: Can't enforce without acct, flags=%x sbflags=%x\n", | |
354 | __func__, flags, mp->m_sb.sb_qflags); | |
1da177e4 LT |
355 | return XFS_ERROR(EINVAL); |
356 | } | |
357 | /* | |
25985edc | 358 | * If everything's up to-date incore, then don't waste time. |
1da177e4 LT |
359 | */ |
360 | if ((mp->m_qflags & flags) == flags) | |
361 | return XFS_ERROR(EEXIST); | |
362 | ||
363 | /* | |
364 | * Change sb_qflags on disk but not incore mp->qflags | |
365 | * if this is the root filesystem. | |
366 | */ | |
3685c2a1 | 367 | spin_lock(&mp->m_sb_lock); |
1da177e4 LT |
368 | qf = mp->m_sb.sb_qflags; |
369 | mp->m_sb.sb_qflags = qf | flags; | |
3685c2a1 | 370 | spin_unlock(&mp->m_sb_lock); |
1da177e4 LT |
371 | |
372 | /* | |
373 | * There's nothing to change if it's the same. | |
374 | */ | |
375 | if ((qf & flags) == flags && sbflags == 0) | |
376 | return XFS_ERROR(EEXIST); | |
377 | sbflags |= XFS_SB_QFLAGS; | |
378 | ||
379 | if ((error = xfs_qm_write_sb_changes(mp, sbflags))) | |
380 | return (error); | |
381 | /* | |
382 | * If we aren't trying to switch on quota enforcement, we are done. | |
383 | */ | |
384 | if (((mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) != | |
385 | (mp->m_qflags & XFS_UQUOTA_ACCT)) || | |
c8ad20ff NS |
386 | ((mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) != |
387 | (mp->m_qflags & XFS_PQUOTA_ACCT)) || | |
388 | ((mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) != | |
389 | (mp->m_qflags & XFS_GQUOTA_ACCT)) || | |
1da177e4 LT |
390 | (flags & XFS_ALL_QUOTA_ENFD) == 0) |
391 | return (0); | |
392 | ||
393 | if (! XFS_IS_QUOTA_RUNNING(mp)) | |
394 | return XFS_ERROR(ESRCH); | |
395 | ||
396 | /* | |
397 | * Switch on quota enforcement in core. | |
398 | */ | |
8a7b8a89 | 399 | mutex_lock(&mp->m_quotainfo->qi_quotaofflock); |
1da177e4 | 400 | mp->m_qflags |= (flags & XFS_ALL_QUOTA_ENFD); |
8a7b8a89 | 401 | mutex_unlock(&mp->m_quotainfo->qi_quotaofflock); |
1da177e4 LT |
402 | |
403 | return (0); | |
404 | } | |
405 | ||
406 | ||
1da177e4 LT |
407 | /* |
408 | * Return quota status information, such as uquota-off, enforcements, etc. | |
409 | */ | |
fcafb71b | 410 | int |
1da177e4 | 411 | xfs_qm_scall_getqstat( |
8a7b8a89 CH |
412 | struct xfs_mount *mp, |
413 | struct fs_quota_stat *out) | |
1da177e4 | 414 | { |
8a7b8a89 CH |
415 | struct xfs_quotainfo *q = mp->m_quotainfo; |
416 | struct xfs_inode *uip, *gip; | |
417 | boolean_t tempuqip, tempgqip; | |
1da177e4 LT |
418 | |
419 | uip = gip = NULL; | |
420 | tempuqip = tempgqip = B_FALSE; | |
421 | memset(out, 0, sizeof(fs_quota_stat_t)); | |
422 | ||
423 | out->qs_version = FS_QSTAT_VERSION; | |
62118709 | 424 | if (!xfs_sb_version_hasquota(&mp->m_sb)) { |
1da177e4 LT |
425 | out->qs_uquota.qfs_ino = NULLFSINO; |
426 | out->qs_gquota.qfs_ino = NULLFSINO; | |
427 | return (0); | |
428 | } | |
429 | out->qs_flags = (__uint16_t) xfs_qm_export_flags(mp->m_qflags & | |
430 | (XFS_ALL_QUOTA_ACCT| | |
431 | XFS_ALL_QUOTA_ENFD)); | |
432 | out->qs_pad = 0; | |
433 | out->qs_uquota.qfs_ino = mp->m_sb.sb_uquotino; | |
434 | out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino; | |
435 | ||
8a7b8a89 CH |
436 | if (q) { |
437 | uip = q->qi_uquotaip; | |
438 | gip = q->qi_gquotaip; | |
1da177e4 LT |
439 | } |
440 | if (!uip && mp->m_sb.sb_uquotino != NULLFSINO) { | |
441 | if (xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, | |
7b6259e7 | 442 | 0, 0, &uip) == 0) |
1da177e4 LT |
443 | tempuqip = B_TRUE; |
444 | } | |
445 | if (!gip && mp->m_sb.sb_gquotino != NULLFSINO) { | |
446 | if (xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, | |
7b6259e7 | 447 | 0, 0, &gip) == 0) |
1da177e4 LT |
448 | tempgqip = B_TRUE; |
449 | } | |
450 | if (uip) { | |
451 | out->qs_uquota.qfs_nblks = uip->i_d.di_nblocks; | |
452 | out->qs_uquota.qfs_nextents = uip->i_d.di_nextents; | |
453 | if (tempuqip) | |
43355099 | 454 | IRELE(uip); |
1da177e4 LT |
455 | } |
456 | if (gip) { | |
457 | out->qs_gquota.qfs_nblks = gip->i_d.di_nblocks; | |
458 | out->qs_gquota.qfs_nextents = gip->i_d.di_nextents; | |
459 | if (tempgqip) | |
43355099 | 460 | IRELE(gip); |
1da177e4 | 461 | } |
8a7b8a89 CH |
462 | if (q) { |
463 | out->qs_incoredqs = q->qi_dquots; | |
464 | out->qs_btimelimit = q->qi_btimelimit; | |
465 | out->qs_itimelimit = q->qi_itimelimit; | |
466 | out->qs_rtbtimelimit = q->qi_rtbtimelimit; | |
467 | out->qs_bwarnlimit = q->qi_bwarnlimit; | |
468 | out->qs_iwarnlimit = q->qi_iwarnlimit; | |
1da177e4 | 469 | } |
8a7b8a89 | 470 | return 0; |
1da177e4 LT |
471 | } |
472 | ||
c472b432 CH |
473 | #define XFS_DQ_MASK \ |
474 | (FS_DQ_LIMIT_MASK | FS_DQ_TIMER_MASK | FS_DQ_WARNS_MASK) | |
475 | ||
1da177e4 LT |
476 | /* |
477 | * Adjust quota limits, and start/stop timers accordingly. | |
478 | */ | |
fcafb71b | 479 | int |
1da177e4 LT |
480 | xfs_qm_scall_setqlim( |
481 | xfs_mount_t *mp, | |
482 | xfs_dqid_t id, | |
483 | uint type, | |
484 | fs_disk_quota_t *newlim) | |
485 | { | |
8a7b8a89 | 486 | struct xfs_quotainfo *q = mp->m_quotainfo; |
1da177e4 LT |
487 | xfs_disk_dquot_t *ddq; |
488 | xfs_dquot_t *dqp; | |
489 | xfs_trans_t *tp; | |
490 | int error; | |
491 | xfs_qcnt_t hard, soft; | |
492 | ||
c472b432 CH |
493 | if (newlim->d_fieldmask & ~XFS_DQ_MASK) |
494 | return EINVAL; | |
495 | if ((newlim->d_fieldmask & XFS_DQ_MASK) == 0) | |
496 | return 0; | |
1da177e4 LT |
497 | |
498 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SETQLIM); | |
499 | if ((error = xfs_trans_reserve(tp, 0, sizeof(xfs_disk_dquot_t) + 128, | |
500 | 0, 0, XFS_DEFAULT_LOG_COUNT))) { | |
501 | xfs_trans_cancel(tp, 0); | |
502 | return (error); | |
503 | } | |
504 | ||
505 | /* | |
506 | * We don't want to race with a quotaoff so take the quotaoff lock. | |
507 | * (We don't hold an inode lock, so there's nothing else to stop | |
508 | * a quotaoff from happening). (XXXThis doesn't currently happen | |
509 | * because we take the vfslock before calling xfs_qm_sysent). | |
510 | */ | |
8a7b8a89 | 511 | mutex_lock(&q->qi_quotaofflock); |
1da177e4 LT |
512 | |
513 | /* | |
514 | * Get the dquot (locked), and join it to the transaction. | |
515 | * Allocate the dquot if this doesn't exist. | |
516 | */ | |
517 | if ((error = xfs_qm_dqget(mp, NULL, id, type, XFS_QMOPT_DQALLOC, &dqp))) { | |
518 | xfs_trans_cancel(tp, XFS_TRANS_ABORT); | |
1da177e4 | 519 | ASSERT(error != ENOENT); |
8a7b8a89 | 520 | goto out_unlock; |
1da177e4 | 521 | } |
1da177e4 LT |
522 | xfs_trans_dqjoin(tp, dqp); |
523 | ddq = &dqp->q_core; | |
524 | ||
525 | /* | |
526 | * Make sure that hardlimits are >= soft limits before changing. | |
527 | */ | |
528 | hard = (newlim->d_fieldmask & FS_DQ_BHARD) ? | |
529 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_hardlimit) : | |
1149d96a | 530 | be64_to_cpu(ddq->d_blk_hardlimit); |
1da177e4 LT |
531 | soft = (newlim->d_fieldmask & FS_DQ_BSOFT) ? |
532 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_softlimit) : | |
1149d96a | 533 | be64_to_cpu(ddq->d_blk_softlimit); |
1da177e4 | 534 | if (hard == 0 || hard >= soft) { |
1149d96a CH |
535 | ddq->d_blk_hardlimit = cpu_to_be64(hard); |
536 | ddq->d_blk_softlimit = cpu_to_be64(soft); | |
1da177e4 | 537 | if (id == 0) { |
8a7b8a89 CH |
538 | q->qi_bhardlimit = hard; |
539 | q->qi_bsoftlimit = soft; | |
1da177e4 LT |
540 | } |
541 | } else { | |
8221112b | 542 | xfs_debug(mp, "blkhard %Ld < blksoft %Ld\n", hard, soft); |
1da177e4 LT |
543 | } |
544 | hard = (newlim->d_fieldmask & FS_DQ_RTBHARD) ? | |
545 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_rtb_hardlimit) : | |
1149d96a | 546 | be64_to_cpu(ddq->d_rtb_hardlimit); |
1da177e4 LT |
547 | soft = (newlim->d_fieldmask & FS_DQ_RTBSOFT) ? |
548 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_rtb_softlimit) : | |
1149d96a | 549 | be64_to_cpu(ddq->d_rtb_softlimit); |
1da177e4 | 550 | if (hard == 0 || hard >= soft) { |
1149d96a CH |
551 | ddq->d_rtb_hardlimit = cpu_to_be64(hard); |
552 | ddq->d_rtb_softlimit = cpu_to_be64(soft); | |
1da177e4 | 553 | if (id == 0) { |
8a7b8a89 CH |
554 | q->qi_rtbhardlimit = hard; |
555 | q->qi_rtbsoftlimit = soft; | |
1da177e4 LT |
556 | } |
557 | } else { | |
8221112b | 558 | xfs_debug(mp, "rtbhard %Ld < rtbsoft %Ld\n", hard, soft); |
1da177e4 LT |
559 | } |
560 | ||
561 | hard = (newlim->d_fieldmask & FS_DQ_IHARD) ? | |
562 | (xfs_qcnt_t) newlim->d_ino_hardlimit : | |
1149d96a | 563 | be64_to_cpu(ddq->d_ino_hardlimit); |
1da177e4 LT |
564 | soft = (newlim->d_fieldmask & FS_DQ_ISOFT) ? |
565 | (xfs_qcnt_t) newlim->d_ino_softlimit : | |
1149d96a | 566 | be64_to_cpu(ddq->d_ino_softlimit); |
1da177e4 | 567 | if (hard == 0 || hard >= soft) { |
1149d96a CH |
568 | ddq->d_ino_hardlimit = cpu_to_be64(hard); |
569 | ddq->d_ino_softlimit = cpu_to_be64(soft); | |
1da177e4 | 570 | if (id == 0) { |
8a7b8a89 CH |
571 | q->qi_ihardlimit = hard; |
572 | q->qi_isoftlimit = soft; | |
1da177e4 LT |
573 | } |
574 | } else { | |
8221112b | 575 | xfs_debug(mp, "ihard %Ld < isoft %Ld\n", hard, soft); |
1da177e4 LT |
576 | } |
577 | ||
754002b4 NS |
578 | /* |
579 | * Update warnings counter(s) if requested | |
580 | */ | |
581 | if (newlim->d_fieldmask & FS_DQ_BWARNS) | |
1149d96a | 582 | ddq->d_bwarns = cpu_to_be16(newlim->d_bwarns); |
754002b4 | 583 | if (newlim->d_fieldmask & FS_DQ_IWARNS) |
1149d96a | 584 | ddq->d_iwarns = cpu_to_be16(newlim->d_iwarns); |
754002b4 | 585 | if (newlim->d_fieldmask & FS_DQ_RTBWARNS) |
1149d96a | 586 | ddq->d_rtbwarns = cpu_to_be16(newlim->d_rtbwarns); |
754002b4 | 587 | |
1da177e4 LT |
588 | if (id == 0) { |
589 | /* | |
590 | * Timelimits for the super user set the relative time | |
591 | * the other users can be over quota for this file system. | |
592 | * If it is zero a default is used. Ditto for the default | |
754002b4 NS |
593 | * soft and hard limit values (already done, above), and |
594 | * for warnings. | |
1da177e4 LT |
595 | */ |
596 | if (newlim->d_fieldmask & FS_DQ_BTIMER) { | |
8a7b8a89 | 597 | q->qi_btimelimit = newlim->d_btimer; |
1149d96a | 598 | ddq->d_btimer = cpu_to_be32(newlim->d_btimer); |
1da177e4 LT |
599 | } |
600 | if (newlim->d_fieldmask & FS_DQ_ITIMER) { | |
8a7b8a89 | 601 | q->qi_itimelimit = newlim->d_itimer; |
1149d96a | 602 | ddq->d_itimer = cpu_to_be32(newlim->d_itimer); |
1da177e4 LT |
603 | } |
604 | if (newlim->d_fieldmask & FS_DQ_RTBTIMER) { | |
8a7b8a89 | 605 | q->qi_rtbtimelimit = newlim->d_rtbtimer; |
1149d96a | 606 | ddq->d_rtbtimer = cpu_to_be32(newlim->d_rtbtimer); |
1da177e4 | 607 | } |
754002b4 | 608 | if (newlim->d_fieldmask & FS_DQ_BWARNS) |
8a7b8a89 | 609 | q->qi_bwarnlimit = newlim->d_bwarns; |
754002b4 | 610 | if (newlim->d_fieldmask & FS_DQ_IWARNS) |
8a7b8a89 | 611 | q->qi_iwarnlimit = newlim->d_iwarns; |
754002b4 | 612 | if (newlim->d_fieldmask & FS_DQ_RTBWARNS) |
8a7b8a89 | 613 | q->qi_rtbwarnlimit = newlim->d_rtbwarns; |
754002b4 | 614 | } else { |
1da177e4 LT |
615 | /* |
616 | * If the user is now over quota, start the timelimit. | |
617 | * The user will not be 'warned'. | |
618 | * Note that we keep the timers ticking, whether enforcement | |
619 | * is on or off. We don't really want to bother with iterating | |
620 | * over all ondisk dquots and turning the timers on/off. | |
621 | */ | |
622 | xfs_qm_adjust_dqtimers(mp, ddq); | |
623 | } | |
624 | dqp->dq_flags |= XFS_DQ_DIRTY; | |
625 | xfs_trans_log_dquot(tp, dqp); | |
626 | ||
e5720eec | 627 | error = xfs_trans_commit(tp, 0); |
1da177e4 | 628 | xfs_qm_dqrele(dqp); |
1da177e4 | 629 | |
8a7b8a89 CH |
630 | out_unlock: |
631 | mutex_unlock(&q->qi_quotaofflock); | |
e5720eec | 632 | return error; |
1da177e4 LT |
633 | } |
634 | ||
1da177e4 LT |
635 | STATIC int |
636 | xfs_qm_log_quotaoff_end( | |
637 | xfs_mount_t *mp, | |
638 | xfs_qoff_logitem_t *startqoff, | |
639 | uint flags) | |
640 | { | |
c8ad20ff | 641 | xfs_trans_t *tp; |
1da177e4 | 642 | int error; |
c8ad20ff | 643 | xfs_qoff_logitem_t *qoffi; |
1da177e4 LT |
644 | |
645 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF_END); | |
646 | ||
647 | if ((error = xfs_trans_reserve(tp, 0, sizeof(xfs_qoff_logitem_t) * 2, | |
648 | 0, 0, XFS_DEFAULT_LOG_COUNT))) { | |
649 | xfs_trans_cancel(tp, 0); | |
650 | return (error); | |
651 | } | |
652 | ||
653 | qoffi = xfs_trans_get_qoff_item(tp, startqoff, | |
654 | flags & XFS_ALL_QUOTA_ACCT); | |
655 | xfs_trans_log_quotaoff_item(tp, qoffi); | |
656 | ||
657 | /* | |
658 | * We have to make sure that the transaction is secure on disk before we | |
659 | * return and actually stop quota accounting. So, make it synchronous. | |
660 | * We don't care about quotoff's performance. | |
661 | */ | |
662 | xfs_trans_set_sync(tp); | |
1c72bf90 | 663 | error = xfs_trans_commit(tp, 0); |
1da177e4 LT |
664 | return (error); |
665 | } | |
666 | ||
667 | ||
668 | STATIC int | |
669 | xfs_qm_log_quotaoff( | |
670 | xfs_mount_t *mp, | |
671 | xfs_qoff_logitem_t **qoffstartp, | |
672 | uint flags) | |
673 | { | |
674 | xfs_trans_t *tp; | |
675 | int error; | |
1da177e4 LT |
676 | xfs_qoff_logitem_t *qoffi=NULL; |
677 | uint oldsbqflag=0; | |
678 | ||
679 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF); | |
680 | if ((error = xfs_trans_reserve(tp, 0, | |
681 | sizeof(xfs_qoff_logitem_t) * 2 + | |
682 | mp->m_sb.sb_sectsize + 128, | |
683 | 0, | |
684 | 0, | |
685 | XFS_DEFAULT_LOG_COUNT))) { | |
686 | goto error0; | |
687 | } | |
688 | ||
689 | qoffi = xfs_trans_get_qoff_item(tp, NULL, flags & XFS_ALL_QUOTA_ACCT); | |
690 | xfs_trans_log_quotaoff_item(tp, qoffi); | |
691 | ||
3685c2a1 | 692 | spin_lock(&mp->m_sb_lock); |
1da177e4 LT |
693 | oldsbqflag = mp->m_sb.sb_qflags; |
694 | mp->m_sb.sb_qflags = (mp->m_qflags & ~(flags)) & XFS_MOUNT_QUOTA_ALL; | |
3685c2a1 | 695 | spin_unlock(&mp->m_sb_lock); |
1da177e4 LT |
696 | |
697 | xfs_mod_sb(tp, XFS_SB_QFLAGS); | |
698 | ||
699 | /* | |
700 | * We have to make sure that the transaction is secure on disk before we | |
701 | * return and actually stop quota accounting. So, make it synchronous. | |
702 | * We don't care about quotoff's performance. | |
703 | */ | |
704 | xfs_trans_set_sync(tp); | |
1c72bf90 | 705 | error = xfs_trans_commit(tp, 0); |
1da177e4 LT |
706 | |
707 | error0: | |
708 | if (error) { | |
709 | xfs_trans_cancel(tp, 0); | |
710 | /* | |
711 | * No one else is modifying sb_qflags, so this is OK. | |
712 | * We still hold the quotaofflock. | |
713 | */ | |
3685c2a1 | 714 | spin_lock(&mp->m_sb_lock); |
1da177e4 | 715 | mp->m_sb.sb_qflags = oldsbqflag; |
3685c2a1 | 716 | spin_unlock(&mp->m_sb_lock); |
1da177e4 LT |
717 | } |
718 | *qoffstartp = qoffi; | |
719 | return (error); | |
720 | } | |
721 | ||
722 | ||
18535a7e CH |
723 | int |
724 | xfs_qm_scall_getquota( | |
725 | struct xfs_mount *mp, | |
726 | xfs_dqid_t id, | |
727 | uint type, | |
1da177e4 LT |
728 | struct fs_disk_quota *dst) |
729 | { | |
18535a7e CH |
730 | struct xfs_dquot *dqp; |
731 | int error; | |
732 | ||
733 | /* | |
734 | * Try to get the dquot. We don't want it allocated on disk, so | |
735 | * we aren't passing the XFS_QMOPT_DOALLOC flag. If it doesn't | |
736 | * exist, we'll get ENOENT back. | |
737 | */ | |
738 | error = xfs_qm_dqget(mp, NULL, id, type, 0, &dqp); | |
739 | if (error) | |
740 | return error; | |
741 | ||
742 | /* | |
743 | * If everything's NULL, this dquot doesn't quite exist as far as | |
744 | * our utility programs are concerned. | |
745 | */ | |
746 | if (XFS_IS_DQUOT_UNINITIALIZED(dqp)) { | |
747 | error = XFS_ERROR(ENOENT); | |
748 | goto out_put; | |
749 | } | |
750 | ||
1da177e4 | 751 | memset(dst, 0, sizeof(*dst)); |
18535a7e CH |
752 | dst->d_version = FS_DQUOT_VERSION; |
753 | dst->d_flags = xfs_qm_export_qtype_flags(dqp->q_core.d_flags); | |
754 | dst->d_id = be32_to_cpu(dqp->q_core.d_id); | |
1149d96a | 755 | dst->d_blk_hardlimit = |
18535a7e | 756 | XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_blk_hardlimit)); |
1149d96a | 757 | dst->d_blk_softlimit = |
18535a7e CH |
758 | XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_blk_softlimit)); |
759 | dst->d_ino_hardlimit = be64_to_cpu(dqp->q_core.d_ino_hardlimit); | |
760 | dst->d_ino_softlimit = be64_to_cpu(dqp->q_core.d_ino_softlimit); | |
761 | dst->d_bcount = XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_bcount)); | |
762 | dst->d_icount = be64_to_cpu(dqp->q_core.d_icount); | |
763 | dst->d_btimer = be32_to_cpu(dqp->q_core.d_btimer); | |
764 | dst->d_itimer = be32_to_cpu(dqp->q_core.d_itimer); | |
765 | dst->d_iwarns = be16_to_cpu(dqp->q_core.d_iwarns); | |
766 | dst->d_bwarns = be16_to_cpu(dqp->q_core.d_bwarns); | |
1149d96a | 767 | dst->d_rtb_hardlimit = |
18535a7e | 768 | XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_rtb_hardlimit)); |
1149d96a | 769 | dst->d_rtb_softlimit = |
18535a7e CH |
770 | XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_rtb_softlimit)); |
771 | dst->d_rtbcount = XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_rtbcount)); | |
772 | dst->d_rtbtimer = be32_to_cpu(dqp->q_core.d_rtbtimer); | |
773 | dst->d_rtbwarns = be16_to_cpu(dqp->q_core.d_rtbwarns); | |
1da177e4 LT |
774 | |
775 | /* | |
776 | * Internally, we don't reset all the timers when quota enforcement | |
c41564b5 | 777 | * gets turned off. No need to confuse the user level code, |
1da177e4 LT |
778 | * so return zeroes in that case. |
779 | */ | |
18535a7e | 780 | if ((!XFS_IS_UQUOTA_ENFORCED(mp) && dqp->q_core.d_flags == XFS_DQ_USER) || |
e6d29426 | 781 | (!XFS_IS_OQUOTA_ENFORCED(mp) && |
18535a7e | 782 | (dqp->q_core.d_flags & (XFS_DQ_PROJ | XFS_DQ_GROUP)))) { |
1da177e4 LT |
783 | dst->d_btimer = 0; |
784 | dst->d_itimer = 0; | |
785 | dst->d_rtbtimer = 0; | |
786 | } | |
787 | ||
788 | #ifdef DEBUG | |
ade7ce31 | 789 | if (((XFS_IS_UQUOTA_ENFORCED(mp) && dst->d_flags == FS_USER_QUOTA) || |
e6d29426 | 790 | (XFS_IS_OQUOTA_ENFORCED(mp) && |
ade7ce31 | 791 | (dst->d_flags & (FS_PROJ_QUOTA | FS_GROUP_QUOTA)))) && |
e6d29426 | 792 | dst->d_id != 0) { |
d0a3fe67 | 793 | if (((int) dst->d_bcount > (int) dst->d_blk_softlimit) && |
1da177e4 LT |
794 | (dst->d_blk_softlimit > 0)) { |
795 | ASSERT(dst->d_btimer != 0); | |
796 | } | |
d0a3fe67 | 797 | if (((int) dst->d_icount > (int) dst->d_ino_softlimit) && |
1da177e4 LT |
798 | (dst->d_ino_softlimit > 0)) { |
799 | ASSERT(dst->d_itimer != 0); | |
800 | } | |
801 | } | |
802 | #endif | |
18535a7e CH |
803 | out_put: |
804 | xfs_qm_dqput(dqp); | |
805 | return error; | |
1da177e4 LT |
806 | } |
807 | ||
1da177e4 LT |
808 | STATIC uint |
809 | xfs_qm_export_qtype_flags( | |
810 | uint flags) | |
811 | { | |
812 | /* | |
c8ad20ff | 813 | * Can't be more than one, or none. |
1da177e4 | 814 | */ |
ade7ce31 CH |
815 | ASSERT((flags & (FS_PROJ_QUOTA | FS_USER_QUOTA)) != |
816 | (FS_PROJ_QUOTA | FS_USER_QUOTA)); | |
817 | ASSERT((flags & (FS_PROJ_QUOTA | FS_GROUP_QUOTA)) != | |
818 | (FS_PROJ_QUOTA | FS_GROUP_QUOTA)); | |
819 | ASSERT((flags & (FS_USER_QUOTA | FS_GROUP_QUOTA)) != | |
820 | (FS_USER_QUOTA | FS_GROUP_QUOTA)); | |
821 | ASSERT((flags & (FS_PROJ_QUOTA|FS_USER_QUOTA|FS_GROUP_QUOTA)) != 0); | |
1da177e4 LT |
822 | |
823 | return (flags & XFS_DQ_USER) ? | |
ade7ce31 CH |
824 | FS_USER_QUOTA : (flags & XFS_DQ_PROJ) ? |
825 | FS_PROJ_QUOTA : FS_GROUP_QUOTA; | |
1da177e4 LT |
826 | } |
827 | ||
1da177e4 LT |
828 | STATIC uint |
829 | xfs_qm_export_flags( | |
830 | uint flags) | |
831 | { | |
832 | uint uflags; | |
833 | ||
834 | uflags = 0; | |
835 | if (flags & XFS_UQUOTA_ACCT) | |
ade7ce31 | 836 | uflags |= FS_QUOTA_UDQ_ACCT; |
c8ad20ff | 837 | if (flags & XFS_PQUOTA_ACCT) |
ade7ce31 | 838 | uflags |= FS_QUOTA_PDQ_ACCT; |
1da177e4 | 839 | if (flags & XFS_GQUOTA_ACCT) |
ade7ce31 | 840 | uflags |= FS_QUOTA_GDQ_ACCT; |
1da177e4 | 841 | if (flags & XFS_UQUOTA_ENFD) |
ade7ce31 | 842 | uflags |= FS_QUOTA_UDQ_ENFD; |
c8ad20ff NS |
843 | if (flags & (XFS_OQUOTA_ENFD)) { |
844 | uflags |= (flags & XFS_GQUOTA_ACCT) ? | |
ade7ce31 | 845 | FS_QUOTA_GDQ_ENFD : FS_QUOTA_PDQ_ENFD; |
c8ad20ff | 846 | } |
1da177e4 LT |
847 | return (uflags); |
848 | } | |
849 | ||
850 | ||
fe588ed3 CH |
851 | STATIC int |
852 | xfs_dqrele_inode( | |
853 | struct xfs_inode *ip, | |
854 | struct xfs_perag *pag, | |
855 | int flags) | |
1da177e4 | 856 | { |
fe588ed3 | 857 | /* skip quota inodes */ |
8a7b8a89 CH |
858 | if (ip == ip->i_mount->m_quotainfo->qi_uquotaip || |
859 | ip == ip->i_mount->m_quotainfo->qi_gquotaip) { | |
fe588ed3 CH |
860 | ASSERT(ip->i_udquot == NULL); |
861 | ASSERT(ip->i_gdquot == NULL); | |
fe588ed3 CH |
862 | return 0; |
863 | } | |
cb4f0d1d | 864 | |
fe588ed3 CH |
865 | xfs_ilock(ip, XFS_ILOCK_EXCL); |
866 | if ((flags & XFS_UQUOTA_ACCT) && ip->i_udquot) { | |
867 | xfs_qm_dqrele(ip->i_udquot); | |
868 | ip->i_udquot = NULL; | |
869 | } | |
870 | if (flags & (XFS_PQUOTA_ACCT|XFS_GQUOTA_ACCT) && ip->i_gdquot) { | |
871 | xfs_qm_dqrele(ip->i_gdquot); | |
872 | ip->i_gdquot = NULL; | |
873 | } | |
f2d67614 | 874 | xfs_iunlock(ip, XFS_ILOCK_EXCL); |
fe588ed3 | 875 | return 0; |
5b4d89ae DC |
876 | } |
877 | ||
fe588ed3 | 878 | |
5b4d89ae DC |
879 | /* |
880 | * Go thru all the inodes in the file system, releasing their dquots. | |
fe588ed3 | 881 | * |
5b4d89ae | 882 | * Note that the mount structure gets modified to indicate that quotas are off |
fe588ed3 | 883 | * AFTER this, in the case of quotaoff. |
5b4d89ae DC |
884 | */ |
885 | void | |
886 | xfs_qm_dqrele_all_inodes( | |
887 | struct xfs_mount *mp, | |
888 | uint flags) | |
889 | { | |
5b4d89ae | 890 | ASSERT(mp->m_quotainfo); |
65d0f205 | 891 | xfs_inode_ag_iterator(mp, xfs_dqrele_inode, flags); |
1da177e4 | 892 | } |