]>
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 LT |
24 | #include "xfs_log.h" |
25 | #include "xfs_trans.h" | |
26 | #include "xfs_sb.h" | |
a844f451 | 27 | #include "xfs_ag.h" |
1da177e4 | 28 | #include "xfs_alloc.h" |
1da177e4 LT |
29 | #include "xfs_quota.h" |
30 | #include "xfs_mount.h" | |
1da177e4 | 31 | #include "xfs_bmap_btree.h" |
1da177e4 | 32 | #include "xfs_inode.h" |
673e8e59 | 33 | #include "xfs_inode_item.h" |
a844f451 | 34 | #include "xfs_itable.h" |
1da177e4 | 35 | #include "xfs_bmap.h" |
1da177e4 LT |
36 | #include "xfs_rtalloc.h" |
37 | #include "xfs_error.h" | |
1da177e4 LT |
38 | #include "xfs_attr.h" |
39 | #include "xfs_buf_item.h" | |
40 | #include "xfs_utils.h" | |
1da177e4 | 41 | #include "xfs_qm.h" |
0b1b213f | 42 | #include "xfs_trace.h" |
6d8b79cf | 43 | #include "xfs_icache.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; | |
1da177e4 | 69 | |
1da177e4 LT |
70 | /* |
71 | * No file system can have quotas enabled on disk but not in core. | |
72 | * Note that quota utilities (like quotaoff) _expect_ | |
73 | * errno == EEXIST here. | |
74 | */ | |
75 | if ((mp->m_qflags & flags) == 0) | |
76 | return XFS_ERROR(EEXIST); | |
77 | error = 0; | |
78 | ||
79 | flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD); | |
80 | ||
81 | /* | |
82 | * We don't want to deal with two quotaoffs messing up each other, | |
83 | * so we're going to serialize it. quotaoff isn't exactly a performance | |
84 | * critical thing. | |
85 | * If quotaoff, then we must be dealing with the root filesystem. | |
86 | */ | |
8a7b8a89 CH |
87 | ASSERT(q); |
88 | mutex_lock(&q->qi_quotaofflock); | |
1da177e4 LT |
89 | |
90 | /* | |
91 | * If we're just turning off quota enforcement, change mp and go. | |
92 | */ | |
93 | if ((flags & XFS_ALL_QUOTA_ACCT) == 0) { | |
94 | mp->m_qflags &= ~(flags); | |
95 | ||
3685c2a1 | 96 | spin_lock(&mp->m_sb_lock); |
1da177e4 | 97 | mp->m_sb.sb_qflags = mp->m_qflags; |
3685c2a1 | 98 | spin_unlock(&mp->m_sb_lock); |
8a7b8a89 | 99 | mutex_unlock(&q->qi_quotaofflock); |
1da177e4 LT |
100 | |
101 | /* XXX what to do if error ? Revert back to old vals incore ? */ | |
102 | error = xfs_qm_write_sb_changes(mp, XFS_SB_QFLAGS); | |
103 | return (error); | |
104 | } | |
105 | ||
106 | dqtype = 0; | |
107 | inactivate_flags = 0; | |
108 | /* | |
109 | * If accounting is off, we must turn enforcement off, clear the | |
110 | * quota 'CHKD' certificate to make it known that we have to | |
111 | * do a quotacheck the next time this quota is turned on. | |
112 | */ | |
113 | if (flags & XFS_UQUOTA_ACCT) { | |
114 | dqtype |= XFS_QMOPT_UQUOTA; | |
115 | flags |= (XFS_UQUOTA_CHKD | XFS_UQUOTA_ENFD); | |
116 | inactivate_flags |= XFS_UQUOTA_ACTIVE; | |
117 | } | |
118 | if (flags & XFS_GQUOTA_ACCT) { | |
119 | dqtype |= XFS_QMOPT_GQUOTA; | |
c8ad20ff | 120 | flags |= (XFS_OQUOTA_CHKD | XFS_OQUOTA_ENFD); |
1da177e4 | 121 | inactivate_flags |= XFS_GQUOTA_ACTIVE; |
c8ad20ff NS |
122 | } else if (flags & XFS_PQUOTA_ACCT) { |
123 | dqtype |= XFS_QMOPT_PQUOTA; | |
124 | flags |= (XFS_OQUOTA_CHKD | XFS_OQUOTA_ENFD); | |
125 | inactivate_flags |= XFS_PQUOTA_ACTIVE; | |
1da177e4 LT |
126 | } |
127 | ||
128 | /* | |
129 | * Nothing to do? Don't complain. This happens when we're just | |
130 | * turning off quota enforcement. | |
131 | */ | |
8a7b8a89 CH |
132 | if ((mp->m_qflags & flags) == 0) |
133 | goto out_unlock; | |
1da177e4 LT |
134 | |
135 | /* | |
136 | * Write the LI_QUOTAOFF log record, and do SB changes atomically, | |
cb6edc26 DC |
137 | * and synchronously. If we fail to write, we should abort the |
138 | * operation as it cannot be recovered safely if we crash. | |
1da177e4 | 139 | */ |
cb6edc26 DC |
140 | error = xfs_qm_log_quotaoff(mp, &qoffstart, flags); |
141 | if (error) | |
8a7b8a89 | 142 | goto out_unlock; |
1da177e4 LT |
143 | |
144 | /* | |
145 | * Next we clear the XFS_MOUNT_*DQ_ACTIVE bit(s) in the mount struct | |
146 | * to take care of the race between dqget and quotaoff. We don't take | |
147 | * any special locks to reset these bits. All processes need to check | |
148 | * these bits *after* taking inode lock(s) to see if the particular | |
149 | * quota type is in the process of being turned off. If *ACTIVE, it is | |
150 | * guaranteed that all dquot structures and all quotainode ptrs will all | |
151 | * stay valid as long as that inode is kept locked. | |
152 | * | |
153 | * There is no turning back after this. | |
154 | */ | |
155 | mp->m_qflags &= ~inactivate_flags; | |
156 | ||
157 | /* | |
158 | * Give back all the dquot reference(s) held by inodes. | |
159 | * Here we go thru every single incore inode in this file system, and | |
160 | * do a dqrele on the i_udquot/i_gdquot that it may have. | |
161 | * Essentially, as long as somebody has an inode locked, this guarantees | |
162 | * that quotas will not be turned off. This is handy because in a | |
163 | * transaction once we lock the inode(s) and check for quotaon, we can | |
164 | * depend on the quota inodes (and other things) being valid as long as | |
165 | * we keep the lock(s). | |
166 | */ | |
167 | xfs_qm_dqrele_all_inodes(mp, flags); | |
168 | ||
169 | /* | |
170 | * Next we make the changes in the quota flag in the mount struct. | |
171 | * This isn't protected by a particular lock directly, because we | |
25985edc | 172 | * don't want to take a mrlock every time we depend on quotas being on. |
1da177e4 | 173 | */ |
b84a3a96 | 174 | mp->m_qflags &= ~flags; |
1da177e4 LT |
175 | |
176 | /* | |
177 | * Go through all the dquots of this file system and purge them, | |
b84a3a96 | 178 | * according to what was turned off. |
1da177e4 | 179 | */ |
b84a3a96 | 180 | xfs_qm_dqpurge_all(mp, dqtype); |
1da177e4 LT |
181 | |
182 | /* | |
183 | * Transactions that had started before ACTIVE state bit was cleared | |
184 | * could have logged many dquots, so they'd have higher LSNs than | |
185 | * the first QUOTAOFF log record does. If we happen to crash when | |
186 | * the tail of the log has gone past the QUOTAOFF record, but | |
187 | * before the last dquot modification, those dquots __will__ | |
188 | * recover, and that's not good. | |
189 | * | |
190 | * So, we have QUOTAOFF start and end logitems; the start | |
191 | * logitem won't get overwritten until the end logitem appears... | |
192 | */ | |
cb6edc26 DC |
193 | error = xfs_qm_log_quotaoff_end(mp, qoffstart, flags); |
194 | if (error) { | |
195 | /* We're screwed now. Shutdown is the only option. */ | |
196 | xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE); | |
8a7b8a89 | 197 | goto out_unlock; |
cb6edc26 | 198 | } |
1da177e4 LT |
199 | |
200 | /* | |
201 | * If quotas is completely disabled, close shop. | |
202 | */ | |
c8ad20ff NS |
203 | if (((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_SET1) || |
204 | ((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_SET2)) { | |
8a7b8a89 | 205 | mutex_unlock(&q->qi_quotaofflock); |
1da177e4 LT |
206 | xfs_qm_destroy_quotainfo(mp); |
207 | return (0); | |
208 | } | |
209 | ||
210 | /* | |
8a7b8a89 | 211 | * Release our quotainode references if we don't need them anymore. |
1da177e4 | 212 | */ |
8a7b8a89 CH |
213 | if ((dqtype & XFS_QMOPT_UQUOTA) && q->qi_uquotaip) { |
214 | IRELE(q->qi_uquotaip); | |
215 | q->qi_uquotaip = NULL; | |
1da177e4 | 216 | } |
8a7b8a89 CH |
217 | if ((dqtype & (XFS_QMOPT_GQUOTA|XFS_QMOPT_PQUOTA)) && q->qi_gquotaip) { |
218 | IRELE(q->qi_gquotaip); | |
219 | q->qi_gquotaip = NULL; | |
1da177e4 | 220 | } |
1da177e4 | 221 | |
8a7b8a89 CH |
222 | out_unlock: |
223 | mutex_unlock(&q->qi_quotaofflock); | |
224 | return error; | |
1da177e4 LT |
225 | } |
226 | ||
5d18898b CH |
227 | STATIC int |
228 | xfs_qm_scall_trunc_qfile( | |
229 | struct xfs_mount *mp, | |
230 | xfs_ino_t ino) | |
231 | { | |
232 | struct xfs_inode *ip; | |
233 | struct xfs_trans *tp; | |
234 | int error; | |
235 | ||
236 | if (ino == NULLFSINO) | |
237 | return 0; | |
238 | ||
239 | error = xfs_iget(mp, NULL, ino, 0, 0, &ip); | |
240 | if (error) | |
241 | return error; | |
242 | ||
243 | xfs_ilock(ip, XFS_IOLOCK_EXCL); | |
244 | ||
245 | tp = xfs_trans_alloc(mp, XFS_TRANS_TRUNCATE_FILE); | |
246 | error = xfs_trans_reserve(tp, 0, XFS_ITRUNCATE_LOG_RES(mp), 0, | |
247 | XFS_TRANS_PERM_LOG_RES, | |
248 | XFS_ITRUNCATE_LOG_COUNT); | |
249 | if (error) { | |
250 | xfs_trans_cancel(tp, 0); | |
251 | xfs_iunlock(ip, XFS_IOLOCK_EXCL); | |
252 | goto out_put; | |
253 | } | |
254 | ||
255 | xfs_ilock(ip, XFS_ILOCK_EXCL); | |
ddc3415a | 256 | xfs_trans_ijoin(tp, ip, 0); |
5d18898b | 257 | |
673e8e59 | 258 | ip->i_d.di_size = 0; |
673e8e59 CH |
259 | xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); |
260 | ||
261 | error = xfs_itruncate_extents(&tp, ip, XFS_DATA_FORK, 0); | |
5d18898b CH |
262 | if (error) { |
263 | xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES | | |
264 | XFS_TRANS_ABORT); | |
265 | goto out_unlock; | |
266 | } | |
267 | ||
673e8e59 CH |
268 | ASSERT(ip->i_d.di_nextents == 0); |
269 | ||
dcd79a14 | 270 | xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); |
5d18898b CH |
271 | error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); |
272 | ||
273 | out_unlock: | |
274 | xfs_iunlock(ip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL); | |
275 | out_put: | |
276 | IRELE(ip); | |
277 | return error; | |
278 | } | |
279 | ||
fcafb71b | 280 | int |
1da177e4 LT |
281 | xfs_qm_scall_trunc_qfiles( |
282 | xfs_mount_t *mp, | |
283 | uint flags) | |
284 | { | |
88ab0208 | 285 | int error = 0, error2 = 0; |
1da177e4 | 286 | |
62118709 | 287 | if (!xfs_sb_version_hasquota(&mp->m_sb) || flags == 0) { |
8221112b DC |
288 | xfs_debug(mp, "%s: flags=%x m_qflags=%x\n", |
289 | __func__, flags, mp->m_qflags); | |
1da177e4 LT |
290 | return XFS_ERROR(EINVAL); |
291 | } | |
292 | ||
5d18898b CH |
293 | if (flags & XFS_DQ_USER) |
294 | error = xfs_qm_scall_trunc_qfile(mp, mp->m_sb.sb_uquotino); | |
295 | if (flags & (XFS_DQ_GROUP|XFS_DQ_PROJ)) | |
296 | error2 = xfs_qm_scall_trunc_qfile(mp, mp->m_sb.sb_gquotino); | |
1da177e4 | 297 | |
88ab0208 | 298 | return error ? error : error2; |
1da177e4 LT |
299 | } |
300 | ||
1da177e4 LT |
301 | /* |
302 | * Switch on (a given) quota enforcement for a filesystem. This takes | |
303 | * effect immediately. | |
304 | * (Switching on quota accounting must be done at mount time.) | |
305 | */ | |
fcafb71b | 306 | int |
1da177e4 LT |
307 | xfs_qm_scall_quotaon( |
308 | xfs_mount_t *mp, | |
309 | uint flags) | |
310 | { | |
311 | int error; | |
1da177e4 | 312 | uint qf; |
1da177e4 LT |
313 | __int64_t sbflags; |
314 | ||
1da177e4 LT |
315 | flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD); |
316 | /* | |
317 | * Switching on quota accounting must be done at mount time. | |
318 | */ | |
1da177e4 LT |
319 | flags &= ~(XFS_ALL_QUOTA_ACCT); |
320 | ||
321 | sbflags = 0; | |
322 | ||
323 | if (flags == 0) { | |
8221112b DC |
324 | xfs_debug(mp, "%s: zero flags, m_qflags=%x\n", |
325 | __func__, mp->m_qflags); | |
1da177e4 LT |
326 | return XFS_ERROR(EINVAL); |
327 | } | |
328 | ||
329 | /* No fs can turn on quotas with a delayed effect */ | |
330 | ASSERT((flags & XFS_ALL_QUOTA_ACCT) == 0); | |
331 | ||
332 | /* | |
333 | * Can't enforce without accounting. We check the superblock | |
334 | * qflags here instead of m_qflags because rootfs can have | |
335 | * quota acct on ondisk without m_qflags' knowing. | |
336 | */ | |
337 | if (((flags & XFS_UQUOTA_ACCT) == 0 && | |
338 | (mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) == 0 && | |
339 | (flags & XFS_UQUOTA_ENFD)) | |
340 | || | |
c8ad20ff NS |
341 | ((flags & XFS_PQUOTA_ACCT) == 0 && |
342 | (mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) == 0 && | |
424ea91b | 343 | (flags & XFS_GQUOTA_ACCT) == 0 && |
1da177e4 | 344 | (mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) == 0 && |
c8ad20ff | 345 | (flags & XFS_OQUOTA_ENFD))) { |
8221112b DC |
346 | xfs_debug(mp, |
347 | "%s: Can't enforce without acct, flags=%x sbflags=%x\n", | |
348 | __func__, flags, mp->m_sb.sb_qflags); | |
1da177e4 LT |
349 | return XFS_ERROR(EINVAL); |
350 | } | |
351 | /* | |
25985edc | 352 | * If everything's up to-date incore, then don't waste time. |
1da177e4 LT |
353 | */ |
354 | if ((mp->m_qflags & flags) == flags) | |
355 | return XFS_ERROR(EEXIST); | |
356 | ||
357 | /* | |
358 | * Change sb_qflags on disk but not incore mp->qflags | |
359 | * if this is the root filesystem. | |
360 | */ | |
3685c2a1 | 361 | spin_lock(&mp->m_sb_lock); |
1da177e4 LT |
362 | qf = mp->m_sb.sb_qflags; |
363 | mp->m_sb.sb_qflags = qf | flags; | |
3685c2a1 | 364 | spin_unlock(&mp->m_sb_lock); |
1da177e4 LT |
365 | |
366 | /* | |
367 | * There's nothing to change if it's the same. | |
368 | */ | |
369 | if ((qf & flags) == flags && sbflags == 0) | |
370 | return XFS_ERROR(EEXIST); | |
371 | sbflags |= XFS_SB_QFLAGS; | |
372 | ||
373 | if ((error = xfs_qm_write_sb_changes(mp, sbflags))) | |
374 | return (error); | |
375 | /* | |
376 | * If we aren't trying to switch on quota enforcement, we are done. | |
377 | */ | |
378 | if (((mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) != | |
379 | (mp->m_qflags & XFS_UQUOTA_ACCT)) || | |
c8ad20ff NS |
380 | ((mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) != |
381 | (mp->m_qflags & XFS_PQUOTA_ACCT)) || | |
382 | ((mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) != | |
383 | (mp->m_qflags & XFS_GQUOTA_ACCT)) || | |
1da177e4 LT |
384 | (flags & XFS_ALL_QUOTA_ENFD) == 0) |
385 | return (0); | |
386 | ||
387 | if (! XFS_IS_QUOTA_RUNNING(mp)) | |
388 | return XFS_ERROR(ESRCH); | |
389 | ||
390 | /* | |
391 | * Switch on quota enforcement in core. | |
392 | */ | |
8a7b8a89 | 393 | mutex_lock(&mp->m_quotainfo->qi_quotaofflock); |
1da177e4 | 394 | mp->m_qflags |= (flags & XFS_ALL_QUOTA_ENFD); |
8a7b8a89 | 395 | mutex_unlock(&mp->m_quotainfo->qi_quotaofflock); |
1da177e4 LT |
396 | |
397 | return (0); | |
398 | } | |
399 | ||
400 | ||
1da177e4 LT |
401 | /* |
402 | * Return quota status information, such as uquota-off, enforcements, etc. | |
403 | */ | |
fcafb71b | 404 | int |
1da177e4 | 405 | xfs_qm_scall_getqstat( |
8a7b8a89 CH |
406 | struct xfs_mount *mp, |
407 | struct fs_quota_stat *out) | |
1da177e4 | 408 | { |
8a7b8a89 CH |
409 | struct xfs_quotainfo *q = mp->m_quotainfo; |
410 | struct xfs_inode *uip, *gip; | |
667a9291 | 411 | bool tempuqip, tempgqip; |
1da177e4 LT |
412 | |
413 | uip = gip = NULL; | |
667a9291 | 414 | tempuqip = tempgqip = false; |
1da177e4 LT |
415 | memset(out, 0, sizeof(fs_quota_stat_t)); |
416 | ||
417 | out->qs_version = FS_QSTAT_VERSION; | |
62118709 | 418 | if (!xfs_sb_version_hasquota(&mp->m_sb)) { |
1da177e4 LT |
419 | out->qs_uquota.qfs_ino = NULLFSINO; |
420 | out->qs_gquota.qfs_ino = NULLFSINO; | |
421 | return (0); | |
422 | } | |
423 | out->qs_flags = (__uint16_t) xfs_qm_export_flags(mp->m_qflags & | |
424 | (XFS_ALL_QUOTA_ACCT| | |
425 | XFS_ALL_QUOTA_ENFD)); | |
426 | out->qs_pad = 0; | |
427 | out->qs_uquota.qfs_ino = mp->m_sb.sb_uquotino; | |
428 | out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino; | |
429 | ||
8a7b8a89 CH |
430 | if (q) { |
431 | uip = q->qi_uquotaip; | |
432 | gip = q->qi_gquotaip; | |
1da177e4 LT |
433 | } |
434 | if (!uip && mp->m_sb.sb_uquotino != NULLFSINO) { | |
435 | if (xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, | |
7b6259e7 | 436 | 0, 0, &uip) == 0) |
667a9291 | 437 | tempuqip = true; |
1da177e4 LT |
438 | } |
439 | if (!gip && mp->m_sb.sb_gquotino != NULLFSINO) { | |
440 | if (xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, | |
7b6259e7 | 441 | 0, 0, &gip) == 0) |
667a9291 | 442 | tempgqip = true; |
1da177e4 LT |
443 | } |
444 | if (uip) { | |
445 | out->qs_uquota.qfs_nblks = uip->i_d.di_nblocks; | |
446 | out->qs_uquota.qfs_nextents = uip->i_d.di_nextents; | |
447 | if (tempuqip) | |
43355099 | 448 | IRELE(uip); |
1da177e4 LT |
449 | } |
450 | if (gip) { | |
451 | out->qs_gquota.qfs_nblks = gip->i_d.di_nblocks; | |
452 | out->qs_gquota.qfs_nextents = gip->i_d.di_nextents; | |
453 | if (tempgqip) | |
43355099 | 454 | IRELE(gip); |
1da177e4 | 455 | } |
8a7b8a89 CH |
456 | if (q) { |
457 | out->qs_incoredqs = q->qi_dquots; | |
458 | out->qs_btimelimit = q->qi_btimelimit; | |
459 | out->qs_itimelimit = q->qi_itimelimit; | |
460 | out->qs_rtbtimelimit = q->qi_rtbtimelimit; | |
461 | out->qs_bwarnlimit = q->qi_bwarnlimit; | |
462 | out->qs_iwarnlimit = q->qi_iwarnlimit; | |
1da177e4 | 463 | } |
8a7b8a89 | 464 | return 0; |
1da177e4 LT |
465 | } |
466 | ||
c472b432 CH |
467 | #define XFS_DQ_MASK \ |
468 | (FS_DQ_LIMIT_MASK | FS_DQ_TIMER_MASK | FS_DQ_WARNS_MASK) | |
469 | ||
1da177e4 LT |
470 | /* |
471 | * Adjust quota limits, and start/stop timers accordingly. | |
472 | */ | |
fcafb71b | 473 | int |
1da177e4 LT |
474 | xfs_qm_scall_setqlim( |
475 | xfs_mount_t *mp, | |
476 | xfs_dqid_t id, | |
477 | uint type, | |
478 | fs_disk_quota_t *newlim) | |
479 | { | |
8a7b8a89 | 480 | struct xfs_quotainfo *q = mp->m_quotainfo; |
1da177e4 LT |
481 | xfs_disk_dquot_t *ddq; |
482 | xfs_dquot_t *dqp; | |
483 | xfs_trans_t *tp; | |
484 | int error; | |
485 | xfs_qcnt_t hard, soft; | |
486 | ||
c472b432 CH |
487 | if (newlim->d_fieldmask & ~XFS_DQ_MASK) |
488 | return EINVAL; | |
489 | if ((newlim->d_fieldmask & XFS_DQ_MASK) == 0) | |
490 | return 0; | |
1da177e4 LT |
491 | |
492 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SETQLIM); | |
f0f2df94 JL |
493 | error = xfs_trans_reserve(tp, 0, XFS_QM_SETQLIM_LOG_RES(mp), |
494 | 0, 0, XFS_DEFAULT_LOG_COUNT); | |
495 | if (error) { | |
1da177e4 LT |
496 | xfs_trans_cancel(tp, 0); |
497 | return (error); | |
498 | } | |
499 | ||
500 | /* | |
501 | * We don't want to race with a quotaoff so take the quotaoff lock. | |
502 | * (We don't hold an inode lock, so there's nothing else to stop | |
503 | * a quotaoff from happening). (XXXThis doesn't currently happen | |
504 | * because we take the vfslock before calling xfs_qm_sysent). | |
505 | */ | |
8a7b8a89 | 506 | mutex_lock(&q->qi_quotaofflock); |
1da177e4 LT |
507 | |
508 | /* | |
509 | * Get the dquot (locked), and join it to the transaction. | |
510 | * Allocate the dquot if this doesn't exist. | |
511 | */ | |
512 | if ((error = xfs_qm_dqget(mp, NULL, id, type, XFS_QMOPT_DQALLOC, &dqp))) { | |
513 | xfs_trans_cancel(tp, XFS_TRANS_ABORT); | |
1da177e4 | 514 | ASSERT(error != ENOENT); |
8a7b8a89 | 515 | goto out_unlock; |
1da177e4 | 516 | } |
1da177e4 LT |
517 | xfs_trans_dqjoin(tp, dqp); |
518 | ddq = &dqp->q_core; | |
519 | ||
520 | /* | |
521 | * Make sure that hardlimits are >= soft limits before changing. | |
522 | */ | |
523 | hard = (newlim->d_fieldmask & FS_DQ_BHARD) ? | |
524 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_hardlimit) : | |
1149d96a | 525 | be64_to_cpu(ddq->d_blk_hardlimit); |
1da177e4 LT |
526 | soft = (newlim->d_fieldmask & FS_DQ_BSOFT) ? |
527 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_softlimit) : | |
1149d96a | 528 | be64_to_cpu(ddq->d_blk_softlimit); |
1da177e4 | 529 | if (hard == 0 || hard >= soft) { |
1149d96a CH |
530 | ddq->d_blk_hardlimit = cpu_to_be64(hard); |
531 | ddq->d_blk_softlimit = cpu_to_be64(soft); | |
1da177e4 | 532 | if (id == 0) { |
8a7b8a89 CH |
533 | q->qi_bhardlimit = hard; |
534 | q->qi_bsoftlimit = soft; | |
1da177e4 LT |
535 | } |
536 | } else { | |
8221112b | 537 | xfs_debug(mp, "blkhard %Ld < blksoft %Ld\n", hard, soft); |
1da177e4 LT |
538 | } |
539 | hard = (newlim->d_fieldmask & FS_DQ_RTBHARD) ? | |
540 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_rtb_hardlimit) : | |
1149d96a | 541 | be64_to_cpu(ddq->d_rtb_hardlimit); |
1da177e4 LT |
542 | soft = (newlim->d_fieldmask & FS_DQ_RTBSOFT) ? |
543 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_rtb_softlimit) : | |
1149d96a | 544 | be64_to_cpu(ddq->d_rtb_softlimit); |
1da177e4 | 545 | if (hard == 0 || hard >= soft) { |
1149d96a CH |
546 | ddq->d_rtb_hardlimit = cpu_to_be64(hard); |
547 | ddq->d_rtb_softlimit = cpu_to_be64(soft); | |
1da177e4 | 548 | if (id == 0) { |
8a7b8a89 CH |
549 | q->qi_rtbhardlimit = hard; |
550 | q->qi_rtbsoftlimit = soft; | |
1da177e4 LT |
551 | } |
552 | } else { | |
8221112b | 553 | xfs_debug(mp, "rtbhard %Ld < rtbsoft %Ld\n", hard, soft); |
1da177e4 LT |
554 | } |
555 | ||
556 | hard = (newlim->d_fieldmask & FS_DQ_IHARD) ? | |
557 | (xfs_qcnt_t) newlim->d_ino_hardlimit : | |
1149d96a | 558 | be64_to_cpu(ddq->d_ino_hardlimit); |
1da177e4 LT |
559 | soft = (newlim->d_fieldmask & FS_DQ_ISOFT) ? |
560 | (xfs_qcnt_t) newlim->d_ino_softlimit : | |
1149d96a | 561 | be64_to_cpu(ddq->d_ino_softlimit); |
1da177e4 | 562 | if (hard == 0 || hard >= soft) { |
1149d96a CH |
563 | ddq->d_ino_hardlimit = cpu_to_be64(hard); |
564 | ddq->d_ino_softlimit = cpu_to_be64(soft); | |
1da177e4 | 565 | if (id == 0) { |
8a7b8a89 CH |
566 | q->qi_ihardlimit = hard; |
567 | q->qi_isoftlimit = soft; | |
1da177e4 LT |
568 | } |
569 | } else { | |
8221112b | 570 | xfs_debug(mp, "ihard %Ld < isoft %Ld\n", hard, soft); |
1da177e4 LT |
571 | } |
572 | ||
754002b4 NS |
573 | /* |
574 | * Update warnings counter(s) if requested | |
575 | */ | |
576 | if (newlim->d_fieldmask & FS_DQ_BWARNS) | |
1149d96a | 577 | ddq->d_bwarns = cpu_to_be16(newlim->d_bwarns); |
754002b4 | 578 | if (newlim->d_fieldmask & FS_DQ_IWARNS) |
1149d96a | 579 | ddq->d_iwarns = cpu_to_be16(newlim->d_iwarns); |
754002b4 | 580 | if (newlim->d_fieldmask & FS_DQ_RTBWARNS) |
1149d96a | 581 | ddq->d_rtbwarns = cpu_to_be16(newlim->d_rtbwarns); |
754002b4 | 582 | |
1da177e4 LT |
583 | if (id == 0) { |
584 | /* | |
585 | * Timelimits for the super user set the relative time | |
586 | * the other users can be over quota for this file system. | |
587 | * If it is zero a default is used. Ditto for the default | |
754002b4 NS |
588 | * soft and hard limit values (already done, above), and |
589 | * for warnings. | |
1da177e4 LT |
590 | */ |
591 | if (newlim->d_fieldmask & FS_DQ_BTIMER) { | |
8a7b8a89 | 592 | q->qi_btimelimit = newlim->d_btimer; |
1149d96a | 593 | ddq->d_btimer = cpu_to_be32(newlim->d_btimer); |
1da177e4 LT |
594 | } |
595 | if (newlim->d_fieldmask & FS_DQ_ITIMER) { | |
8a7b8a89 | 596 | q->qi_itimelimit = newlim->d_itimer; |
1149d96a | 597 | ddq->d_itimer = cpu_to_be32(newlim->d_itimer); |
1da177e4 LT |
598 | } |
599 | if (newlim->d_fieldmask & FS_DQ_RTBTIMER) { | |
8a7b8a89 | 600 | q->qi_rtbtimelimit = newlim->d_rtbtimer; |
1149d96a | 601 | ddq->d_rtbtimer = cpu_to_be32(newlim->d_rtbtimer); |
1da177e4 | 602 | } |
754002b4 | 603 | if (newlim->d_fieldmask & FS_DQ_BWARNS) |
8a7b8a89 | 604 | q->qi_bwarnlimit = newlim->d_bwarns; |
754002b4 | 605 | if (newlim->d_fieldmask & FS_DQ_IWARNS) |
8a7b8a89 | 606 | q->qi_iwarnlimit = newlim->d_iwarns; |
754002b4 | 607 | if (newlim->d_fieldmask & FS_DQ_RTBWARNS) |
8a7b8a89 | 608 | q->qi_rtbwarnlimit = newlim->d_rtbwarns; |
754002b4 | 609 | } else { |
1da177e4 LT |
610 | /* |
611 | * If the user is now over quota, start the timelimit. | |
612 | * The user will not be 'warned'. | |
613 | * Note that we keep the timers ticking, whether enforcement | |
614 | * is on or off. We don't really want to bother with iterating | |
615 | * over all ondisk dquots and turning the timers on/off. | |
616 | */ | |
617 | xfs_qm_adjust_dqtimers(mp, ddq); | |
618 | } | |
619 | dqp->dq_flags |= XFS_DQ_DIRTY; | |
620 | xfs_trans_log_dquot(tp, dqp); | |
621 | ||
e5720eec | 622 | error = xfs_trans_commit(tp, 0); |
1da177e4 | 623 | xfs_qm_dqrele(dqp); |
1da177e4 | 624 | |
8a7b8a89 CH |
625 | out_unlock: |
626 | mutex_unlock(&q->qi_quotaofflock); | |
e5720eec | 627 | return error; |
1da177e4 LT |
628 | } |
629 | ||
1da177e4 LT |
630 | STATIC int |
631 | xfs_qm_log_quotaoff_end( | |
632 | xfs_mount_t *mp, | |
633 | xfs_qoff_logitem_t *startqoff, | |
634 | uint flags) | |
635 | { | |
c8ad20ff | 636 | xfs_trans_t *tp; |
1da177e4 | 637 | int error; |
c8ad20ff | 638 | xfs_qoff_logitem_t *qoffi; |
1da177e4 LT |
639 | |
640 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF_END); | |
641 | ||
762d7ba6 JL |
642 | error = xfs_trans_reserve(tp, 0, XFS_QM_QUOTAOFF_END_LOG_RES(mp), |
643 | 0, 0, XFS_DEFAULT_LOG_COUNT); | |
644 | if (error) { | |
1da177e4 LT |
645 | xfs_trans_cancel(tp, 0); |
646 | return (error); | |
647 | } | |
648 | ||
649 | qoffi = xfs_trans_get_qoff_item(tp, startqoff, | |
650 | flags & XFS_ALL_QUOTA_ACCT); | |
651 | xfs_trans_log_quotaoff_item(tp, qoffi); | |
652 | ||
653 | /* | |
654 | * We have to make sure that the transaction is secure on disk before we | |
655 | * return and actually stop quota accounting. So, make it synchronous. | |
656 | * We don't care about quotoff's performance. | |
657 | */ | |
658 | xfs_trans_set_sync(tp); | |
1c72bf90 | 659 | error = xfs_trans_commit(tp, 0); |
1da177e4 LT |
660 | return (error); |
661 | } | |
662 | ||
663 | ||
664 | STATIC int | |
665 | xfs_qm_log_quotaoff( | |
666 | xfs_mount_t *mp, | |
667 | xfs_qoff_logitem_t **qoffstartp, | |
668 | uint flags) | |
669 | { | |
670 | xfs_trans_t *tp; | |
671 | int error; | |
1da177e4 LT |
672 | xfs_qoff_logitem_t *qoffi=NULL; |
673 | uint oldsbqflag=0; | |
674 | ||
675 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF); | |
a1bd9557 JL |
676 | error = xfs_trans_reserve(tp, 0, XFS_QM_QUOTAOFF_LOG_RES(mp), |
677 | 0, 0, XFS_DEFAULT_LOG_COUNT); | |
678 | if (error) | |
1da177e4 | 679 | goto error0; |
1da177e4 LT |
680 | |
681 | qoffi = xfs_trans_get_qoff_item(tp, NULL, flags & XFS_ALL_QUOTA_ACCT); | |
682 | xfs_trans_log_quotaoff_item(tp, qoffi); | |
683 | ||
3685c2a1 | 684 | spin_lock(&mp->m_sb_lock); |
1da177e4 LT |
685 | oldsbqflag = mp->m_sb.sb_qflags; |
686 | mp->m_sb.sb_qflags = (mp->m_qflags & ~(flags)) & XFS_MOUNT_QUOTA_ALL; | |
3685c2a1 | 687 | spin_unlock(&mp->m_sb_lock); |
1da177e4 LT |
688 | |
689 | xfs_mod_sb(tp, XFS_SB_QFLAGS); | |
690 | ||
691 | /* | |
692 | * We have to make sure that the transaction is secure on disk before we | |
693 | * return and actually stop quota accounting. So, make it synchronous. | |
694 | * We don't care about quotoff's performance. | |
695 | */ | |
696 | xfs_trans_set_sync(tp); | |
1c72bf90 | 697 | error = xfs_trans_commit(tp, 0); |
1da177e4 LT |
698 | |
699 | error0: | |
700 | if (error) { | |
701 | xfs_trans_cancel(tp, 0); | |
702 | /* | |
703 | * No one else is modifying sb_qflags, so this is OK. | |
704 | * We still hold the quotaofflock. | |
705 | */ | |
3685c2a1 | 706 | spin_lock(&mp->m_sb_lock); |
1da177e4 | 707 | mp->m_sb.sb_qflags = oldsbqflag; |
3685c2a1 | 708 | spin_unlock(&mp->m_sb_lock); |
1da177e4 LT |
709 | } |
710 | *qoffstartp = qoffi; | |
711 | return (error); | |
712 | } | |
713 | ||
714 | ||
18535a7e CH |
715 | int |
716 | xfs_qm_scall_getquota( | |
717 | struct xfs_mount *mp, | |
718 | xfs_dqid_t id, | |
719 | uint type, | |
1da177e4 LT |
720 | struct fs_disk_quota *dst) |
721 | { | |
18535a7e CH |
722 | struct xfs_dquot *dqp; |
723 | int error; | |
724 | ||
725 | /* | |
726 | * Try to get the dquot. We don't want it allocated on disk, so | |
727 | * we aren't passing the XFS_QMOPT_DOALLOC flag. If it doesn't | |
728 | * exist, we'll get ENOENT back. | |
729 | */ | |
730 | error = xfs_qm_dqget(mp, NULL, id, type, 0, &dqp); | |
731 | if (error) | |
732 | return error; | |
733 | ||
734 | /* | |
735 | * If everything's NULL, this dquot doesn't quite exist as far as | |
736 | * our utility programs are concerned. | |
737 | */ | |
738 | if (XFS_IS_DQUOT_UNINITIALIZED(dqp)) { | |
739 | error = XFS_ERROR(ENOENT); | |
740 | goto out_put; | |
741 | } | |
742 | ||
1da177e4 | 743 | memset(dst, 0, sizeof(*dst)); |
18535a7e CH |
744 | dst->d_version = FS_DQUOT_VERSION; |
745 | dst->d_flags = xfs_qm_export_qtype_flags(dqp->q_core.d_flags); | |
746 | dst->d_id = be32_to_cpu(dqp->q_core.d_id); | |
1149d96a | 747 | dst->d_blk_hardlimit = |
18535a7e | 748 | XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_blk_hardlimit)); |
1149d96a | 749 | dst->d_blk_softlimit = |
18535a7e CH |
750 | XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_blk_softlimit)); |
751 | dst->d_ino_hardlimit = be64_to_cpu(dqp->q_core.d_ino_hardlimit); | |
752 | dst->d_ino_softlimit = be64_to_cpu(dqp->q_core.d_ino_softlimit); | |
89605011 CH |
753 | dst->d_bcount = XFS_FSB_TO_BB(mp, dqp->q_res_bcount); |
754 | dst->d_icount = dqp->q_res_icount; | |
18535a7e CH |
755 | dst->d_btimer = be32_to_cpu(dqp->q_core.d_btimer); |
756 | dst->d_itimer = be32_to_cpu(dqp->q_core.d_itimer); | |
757 | dst->d_iwarns = be16_to_cpu(dqp->q_core.d_iwarns); | |
758 | dst->d_bwarns = be16_to_cpu(dqp->q_core.d_bwarns); | |
1149d96a | 759 | dst->d_rtb_hardlimit = |
18535a7e | 760 | XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_rtb_hardlimit)); |
1149d96a | 761 | dst->d_rtb_softlimit = |
18535a7e | 762 | XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_rtb_softlimit)); |
89605011 | 763 | dst->d_rtbcount = XFS_FSB_TO_BB(mp, dqp->q_res_rtbcount); |
18535a7e CH |
764 | dst->d_rtbtimer = be32_to_cpu(dqp->q_core.d_rtbtimer); |
765 | dst->d_rtbwarns = be16_to_cpu(dqp->q_core.d_rtbwarns); | |
1da177e4 LT |
766 | |
767 | /* | |
768 | * Internally, we don't reset all the timers when quota enforcement | |
c41564b5 | 769 | * gets turned off. No need to confuse the user level code, |
1da177e4 LT |
770 | * so return zeroes in that case. |
771 | */ | |
18535a7e | 772 | if ((!XFS_IS_UQUOTA_ENFORCED(mp) && dqp->q_core.d_flags == XFS_DQ_USER) || |
e6d29426 | 773 | (!XFS_IS_OQUOTA_ENFORCED(mp) && |
18535a7e | 774 | (dqp->q_core.d_flags & (XFS_DQ_PROJ | XFS_DQ_GROUP)))) { |
1da177e4 LT |
775 | dst->d_btimer = 0; |
776 | dst->d_itimer = 0; | |
777 | dst->d_rtbtimer = 0; | |
778 | } | |
779 | ||
780 | #ifdef DEBUG | |
ade7ce31 | 781 | if (((XFS_IS_UQUOTA_ENFORCED(mp) && dst->d_flags == FS_USER_QUOTA) || |
e6d29426 | 782 | (XFS_IS_OQUOTA_ENFORCED(mp) && |
ade7ce31 | 783 | (dst->d_flags & (FS_PROJ_QUOTA | FS_GROUP_QUOTA)))) && |
e6d29426 | 784 | dst->d_id != 0) { |
f7555032 | 785 | if ((dst->d_bcount > dst->d_blk_softlimit) && |
1da177e4 LT |
786 | (dst->d_blk_softlimit > 0)) { |
787 | ASSERT(dst->d_btimer != 0); | |
788 | } | |
f7555032 | 789 | if ((dst->d_icount > dst->d_ino_softlimit) && |
1da177e4 LT |
790 | (dst->d_ino_softlimit > 0)) { |
791 | ASSERT(dst->d_itimer != 0); | |
792 | } | |
793 | } | |
794 | #endif | |
18535a7e CH |
795 | out_put: |
796 | xfs_qm_dqput(dqp); | |
797 | return error; | |
1da177e4 LT |
798 | } |
799 | ||
1da177e4 LT |
800 | STATIC uint |
801 | xfs_qm_export_qtype_flags( | |
802 | uint flags) | |
803 | { | |
804 | /* | |
c8ad20ff | 805 | * Can't be more than one, or none. |
1da177e4 | 806 | */ |
ade7ce31 CH |
807 | ASSERT((flags & (FS_PROJ_QUOTA | FS_USER_QUOTA)) != |
808 | (FS_PROJ_QUOTA | FS_USER_QUOTA)); | |
809 | ASSERT((flags & (FS_PROJ_QUOTA | FS_GROUP_QUOTA)) != | |
810 | (FS_PROJ_QUOTA | FS_GROUP_QUOTA)); | |
811 | ASSERT((flags & (FS_USER_QUOTA | FS_GROUP_QUOTA)) != | |
812 | (FS_USER_QUOTA | FS_GROUP_QUOTA)); | |
813 | ASSERT((flags & (FS_PROJ_QUOTA|FS_USER_QUOTA|FS_GROUP_QUOTA)) != 0); | |
1da177e4 LT |
814 | |
815 | return (flags & XFS_DQ_USER) ? | |
ade7ce31 CH |
816 | FS_USER_QUOTA : (flags & XFS_DQ_PROJ) ? |
817 | FS_PROJ_QUOTA : FS_GROUP_QUOTA; | |
1da177e4 LT |
818 | } |
819 | ||
1da177e4 LT |
820 | STATIC uint |
821 | xfs_qm_export_flags( | |
822 | uint flags) | |
823 | { | |
824 | uint uflags; | |
825 | ||
826 | uflags = 0; | |
827 | if (flags & XFS_UQUOTA_ACCT) | |
ade7ce31 | 828 | uflags |= FS_QUOTA_UDQ_ACCT; |
c8ad20ff | 829 | if (flags & XFS_PQUOTA_ACCT) |
ade7ce31 | 830 | uflags |= FS_QUOTA_PDQ_ACCT; |
1da177e4 | 831 | if (flags & XFS_GQUOTA_ACCT) |
ade7ce31 | 832 | uflags |= FS_QUOTA_GDQ_ACCT; |
1da177e4 | 833 | if (flags & XFS_UQUOTA_ENFD) |
ade7ce31 | 834 | uflags |= FS_QUOTA_UDQ_ENFD; |
c8ad20ff NS |
835 | if (flags & (XFS_OQUOTA_ENFD)) { |
836 | uflags |= (flags & XFS_GQUOTA_ACCT) ? | |
ade7ce31 | 837 | FS_QUOTA_GDQ_ENFD : FS_QUOTA_PDQ_ENFD; |
c8ad20ff | 838 | } |
1da177e4 LT |
839 | return (uflags); |
840 | } | |
841 | ||
842 | ||
fe588ed3 CH |
843 | STATIC int |
844 | xfs_dqrele_inode( | |
845 | struct xfs_inode *ip, | |
846 | struct xfs_perag *pag, | |
a454f742 BF |
847 | int flags, |
848 | void *args) | |
1da177e4 | 849 | { |
fe588ed3 | 850 | /* skip quota inodes */ |
8a7b8a89 CH |
851 | if (ip == ip->i_mount->m_quotainfo->qi_uquotaip || |
852 | ip == ip->i_mount->m_quotainfo->qi_gquotaip) { | |
fe588ed3 CH |
853 | ASSERT(ip->i_udquot == NULL); |
854 | ASSERT(ip->i_gdquot == NULL); | |
fe588ed3 CH |
855 | return 0; |
856 | } | |
cb4f0d1d | 857 | |
fe588ed3 CH |
858 | xfs_ilock(ip, XFS_ILOCK_EXCL); |
859 | if ((flags & XFS_UQUOTA_ACCT) && ip->i_udquot) { | |
860 | xfs_qm_dqrele(ip->i_udquot); | |
861 | ip->i_udquot = NULL; | |
862 | } | |
863 | if (flags & (XFS_PQUOTA_ACCT|XFS_GQUOTA_ACCT) && ip->i_gdquot) { | |
864 | xfs_qm_dqrele(ip->i_gdquot); | |
865 | ip->i_gdquot = NULL; | |
866 | } | |
f2d67614 | 867 | xfs_iunlock(ip, XFS_ILOCK_EXCL); |
fe588ed3 | 868 | return 0; |
5b4d89ae DC |
869 | } |
870 | ||
fe588ed3 | 871 | |
5b4d89ae DC |
872 | /* |
873 | * Go thru all the inodes in the file system, releasing their dquots. | |
fe588ed3 | 874 | * |
5b4d89ae | 875 | * Note that the mount structure gets modified to indicate that quotas are off |
fe588ed3 | 876 | * AFTER this, in the case of quotaoff. |
5b4d89ae DC |
877 | */ |
878 | void | |
879 | xfs_qm_dqrele_all_inodes( | |
880 | struct xfs_mount *mp, | |
881 | uint flags) | |
882 | { | |
5b4d89ae | 883 | ASSERT(mp->m_quotainfo); |
a454f742 | 884 | xfs_inode_ag_iterator(mp, xfs_dqrele_inode, flags, NULL); |
1da177e4 | 885 | } |