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" |
1da177e4 | 43 | |
1da177e4 LT |
44 | STATIC int xfs_qm_log_quotaoff(xfs_mount_t *, xfs_qoff_logitem_t **, uint); |
45 | STATIC int xfs_qm_log_quotaoff_end(xfs_mount_t *, xfs_qoff_logitem_t *, | |
46 | uint); | |
1da177e4 | 47 | STATIC uint xfs_qm_export_flags(uint); |
1da177e4 | 48 | STATIC uint xfs_qm_export_qtype_flags(uint); |
1da177e4 | 49 | |
1da177e4 LT |
50 | /* |
51 | * Turn off quota accounting and/or enforcement for all udquots and/or | |
52 | * gdquots. Called only at unmount time. | |
53 | * | |
54 | * This assumes that there are no dquots of this file system cached | |
55 | * incore, and modifies the ondisk dquot directly. Therefore, for example, | |
56 | * it is an error to call this twice, without purging the cache. | |
57 | */ | |
fcafb71b | 58 | int |
1da177e4 LT |
59 | xfs_qm_scall_quotaoff( |
60 | xfs_mount_t *mp, | |
fcafb71b | 61 | uint flags) |
1da177e4 | 62 | { |
8a7b8a89 | 63 | struct xfs_quotainfo *q = mp->m_quotainfo; |
1da177e4 | 64 | uint dqtype; |
1da177e4 LT |
65 | int error; |
66 | uint inactivate_flags; | |
67 | xfs_qoff_logitem_t *qoffstart; | |
1da177e4 | 68 | |
1da177e4 LT |
69 | /* |
70 | * No file system can have quotas enabled on disk but not in core. | |
71 | * Note that quota utilities (like quotaoff) _expect_ | |
72 | * errno == EEXIST here. | |
73 | */ | |
74 | if ((mp->m_qflags & flags) == 0) | |
75 | return XFS_ERROR(EEXIST); | |
76 | error = 0; | |
77 | ||
78 | flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD); | |
79 | ||
80 | /* | |
81 | * We don't want to deal with two quotaoffs messing up each other, | |
82 | * so we're going to serialize it. quotaoff isn't exactly a performance | |
83 | * critical thing. | |
84 | * If quotaoff, then we must be dealing with the root filesystem. | |
85 | */ | |
8a7b8a89 CH |
86 | ASSERT(q); |
87 | mutex_lock(&q->qi_quotaofflock); | |
1da177e4 LT |
88 | |
89 | /* | |
90 | * If we're just turning off quota enforcement, change mp and go. | |
91 | */ | |
92 | if ((flags & XFS_ALL_QUOTA_ACCT) == 0) { | |
93 | mp->m_qflags &= ~(flags); | |
94 | ||
3685c2a1 | 95 | spin_lock(&mp->m_sb_lock); |
1da177e4 | 96 | mp->m_sb.sb_qflags = mp->m_qflags; |
3685c2a1 | 97 | spin_unlock(&mp->m_sb_lock); |
8a7b8a89 | 98 | mutex_unlock(&q->qi_quotaofflock); |
1da177e4 LT |
99 | |
100 | /* XXX what to do if error ? Revert back to old vals incore ? */ | |
101 | error = xfs_qm_write_sb_changes(mp, XFS_SB_QFLAGS); | |
102 | return (error); | |
103 | } | |
104 | ||
105 | dqtype = 0; | |
106 | inactivate_flags = 0; | |
107 | /* | |
108 | * If accounting is off, we must turn enforcement off, clear the | |
109 | * quota 'CHKD' certificate to make it known that we have to | |
110 | * do a quotacheck the next time this quota is turned on. | |
111 | */ | |
112 | if (flags & XFS_UQUOTA_ACCT) { | |
113 | dqtype |= XFS_QMOPT_UQUOTA; | |
114 | flags |= (XFS_UQUOTA_CHKD | XFS_UQUOTA_ENFD); | |
115 | inactivate_flags |= XFS_UQUOTA_ACTIVE; | |
116 | } | |
117 | if (flags & XFS_GQUOTA_ACCT) { | |
118 | dqtype |= XFS_QMOPT_GQUOTA; | |
c8ad20ff | 119 | flags |= (XFS_OQUOTA_CHKD | XFS_OQUOTA_ENFD); |
1da177e4 | 120 | inactivate_flags |= XFS_GQUOTA_ACTIVE; |
c8ad20ff NS |
121 | } else if (flags & XFS_PQUOTA_ACCT) { |
122 | dqtype |= XFS_QMOPT_PQUOTA; | |
123 | flags |= (XFS_OQUOTA_CHKD | XFS_OQUOTA_ENFD); | |
124 | inactivate_flags |= XFS_PQUOTA_ACTIVE; | |
1da177e4 LT |
125 | } |
126 | ||
127 | /* | |
128 | * Nothing to do? Don't complain. This happens when we're just | |
129 | * turning off quota enforcement. | |
130 | */ | |
8a7b8a89 CH |
131 | if ((mp->m_qflags & flags) == 0) |
132 | goto out_unlock; | |
1da177e4 LT |
133 | |
134 | /* | |
135 | * Write the LI_QUOTAOFF log record, and do SB changes atomically, | |
cb6edc26 DC |
136 | * and synchronously. If we fail to write, we should abort the |
137 | * operation as it cannot be recovered safely if we crash. | |
1da177e4 | 138 | */ |
cb6edc26 DC |
139 | error = xfs_qm_log_quotaoff(mp, &qoffstart, flags); |
140 | if (error) | |
8a7b8a89 | 141 | goto out_unlock; |
1da177e4 LT |
142 | |
143 | /* | |
144 | * Next we clear the XFS_MOUNT_*DQ_ACTIVE bit(s) in the mount struct | |
145 | * to take care of the race between dqget and quotaoff. We don't take | |
146 | * any special locks to reset these bits. All processes need to check | |
147 | * these bits *after* taking inode lock(s) to see if the particular | |
148 | * quota type is in the process of being turned off. If *ACTIVE, it is | |
149 | * guaranteed that all dquot structures and all quotainode ptrs will all | |
150 | * stay valid as long as that inode is kept locked. | |
151 | * | |
152 | * There is no turning back after this. | |
153 | */ | |
154 | mp->m_qflags &= ~inactivate_flags; | |
155 | ||
156 | /* | |
157 | * Give back all the dquot reference(s) held by inodes. | |
158 | * Here we go thru every single incore inode in this file system, and | |
159 | * do a dqrele on the i_udquot/i_gdquot that it may have. | |
160 | * Essentially, as long as somebody has an inode locked, this guarantees | |
161 | * that quotas will not be turned off. This is handy because in a | |
162 | * transaction once we lock the inode(s) and check for quotaon, we can | |
163 | * depend on the quota inodes (and other things) being valid as long as | |
164 | * we keep the lock(s). | |
165 | */ | |
166 | xfs_qm_dqrele_all_inodes(mp, flags); | |
167 | ||
168 | /* | |
169 | * Next we make the changes in the quota flag in the mount struct. | |
170 | * This isn't protected by a particular lock directly, because we | |
25985edc | 171 | * don't want to take a mrlock every time we depend on quotas being on. |
1da177e4 | 172 | */ |
b84a3a96 | 173 | mp->m_qflags &= ~flags; |
1da177e4 LT |
174 | |
175 | /* | |
176 | * Go through all the dquots of this file system and purge them, | |
b84a3a96 | 177 | * according to what was turned off. |
1da177e4 | 178 | */ |
b84a3a96 | 179 | xfs_qm_dqpurge_all(mp, dqtype); |
1da177e4 LT |
180 | |
181 | /* | |
182 | * Transactions that had started before ACTIVE state bit was cleared | |
183 | * could have logged many dquots, so they'd have higher LSNs than | |
184 | * the first QUOTAOFF log record does. If we happen to crash when | |
185 | * the tail of the log has gone past the QUOTAOFF record, but | |
186 | * before the last dquot modification, those dquots __will__ | |
187 | * recover, and that's not good. | |
188 | * | |
189 | * So, we have QUOTAOFF start and end logitems; the start | |
190 | * logitem won't get overwritten until the end logitem appears... | |
191 | */ | |
cb6edc26 DC |
192 | error = xfs_qm_log_quotaoff_end(mp, qoffstart, flags); |
193 | if (error) { | |
194 | /* We're screwed now. Shutdown is the only option. */ | |
195 | xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE); | |
8a7b8a89 | 196 | goto out_unlock; |
cb6edc26 | 197 | } |
1da177e4 LT |
198 | |
199 | /* | |
200 | * If quotas is completely disabled, close shop. | |
201 | */ | |
c8ad20ff NS |
202 | if (((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_SET1) || |
203 | ((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_SET2)) { | |
8a7b8a89 | 204 | mutex_unlock(&q->qi_quotaofflock); |
1da177e4 LT |
205 | xfs_qm_destroy_quotainfo(mp); |
206 | return (0); | |
207 | } | |
208 | ||
209 | /* | |
8a7b8a89 | 210 | * Release our quotainode references if we don't need them anymore. |
1da177e4 | 211 | */ |
8a7b8a89 CH |
212 | if ((dqtype & XFS_QMOPT_UQUOTA) && q->qi_uquotaip) { |
213 | IRELE(q->qi_uquotaip); | |
214 | q->qi_uquotaip = NULL; | |
1da177e4 | 215 | } |
8a7b8a89 CH |
216 | if ((dqtype & (XFS_QMOPT_GQUOTA|XFS_QMOPT_PQUOTA)) && q->qi_gquotaip) { |
217 | IRELE(q->qi_gquotaip); | |
218 | q->qi_gquotaip = NULL; | |
1da177e4 | 219 | } |
1da177e4 | 220 | |
8a7b8a89 CH |
221 | out_unlock: |
222 | mutex_unlock(&q->qi_quotaofflock); | |
223 | return error; | |
1da177e4 LT |
224 | } |
225 | ||
5d18898b CH |
226 | STATIC int |
227 | xfs_qm_scall_trunc_qfile( | |
228 | struct xfs_mount *mp, | |
229 | xfs_ino_t ino) | |
230 | { | |
231 | struct xfs_inode *ip; | |
232 | struct xfs_trans *tp; | |
233 | int error; | |
234 | ||
235 | if (ino == NULLFSINO) | |
236 | return 0; | |
237 | ||
238 | error = xfs_iget(mp, NULL, ino, 0, 0, &ip); | |
239 | if (error) | |
240 | return error; | |
241 | ||
242 | xfs_ilock(ip, XFS_IOLOCK_EXCL); | |
243 | ||
244 | tp = xfs_trans_alloc(mp, XFS_TRANS_TRUNCATE_FILE); | |
245 | error = xfs_trans_reserve(tp, 0, XFS_ITRUNCATE_LOG_RES(mp), 0, | |
246 | XFS_TRANS_PERM_LOG_RES, | |
247 | XFS_ITRUNCATE_LOG_COUNT); | |
248 | if (error) { | |
249 | xfs_trans_cancel(tp, 0); | |
250 | xfs_iunlock(ip, XFS_IOLOCK_EXCL); | |
251 | goto out_put; | |
252 | } | |
253 | ||
254 | xfs_ilock(ip, XFS_ILOCK_EXCL); | |
ddc3415a | 255 | xfs_trans_ijoin(tp, ip, 0); |
5d18898b | 256 | |
673e8e59 | 257 | ip->i_d.di_size = 0; |
673e8e59 CH |
258 | xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); |
259 | ||
260 | error = xfs_itruncate_extents(&tp, ip, XFS_DATA_FORK, 0); | |
5d18898b CH |
261 | if (error) { |
262 | xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES | | |
263 | XFS_TRANS_ABORT); | |
264 | goto out_unlock; | |
265 | } | |
266 | ||
673e8e59 CH |
267 | ASSERT(ip->i_d.di_nextents == 0); |
268 | ||
dcd79a14 | 269 | xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); |
5d18898b CH |
270 | error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); |
271 | ||
272 | out_unlock: | |
273 | xfs_iunlock(ip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL); | |
274 | out_put: | |
275 | IRELE(ip); | |
276 | return error; | |
277 | } | |
278 | ||
fcafb71b | 279 | int |
1da177e4 LT |
280 | xfs_qm_scall_trunc_qfiles( |
281 | xfs_mount_t *mp, | |
282 | uint flags) | |
283 | { | |
88ab0208 | 284 | int error = 0, error2 = 0; |
1da177e4 | 285 | |
62118709 | 286 | if (!xfs_sb_version_hasquota(&mp->m_sb) || flags == 0) { |
8221112b DC |
287 | xfs_debug(mp, "%s: flags=%x m_qflags=%x\n", |
288 | __func__, flags, mp->m_qflags); | |
1da177e4 LT |
289 | return XFS_ERROR(EINVAL); |
290 | } | |
291 | ||
5d18898b CH |
292 | if (flags & XFS_DQ_USER) |
293 | error = xfs_qm_scall_trunc_qfile(mp, mp->m_sb.sb_uquotino); | |
294 | if (flags & (XFS_DQ_GROUP|XFS_DQ_PROJ)) | |
295 | error2 = xfs_qm_scall_trunc_qfile(mp, mp->m_sb.sb_gquotino); | |
1da177e4 | 296 | |
88ab0208 | 297 | return error ? error : error2; |
1da177e4 LT |
298 | } |
299 | ||
1da177e4 LT |
300 | /* |
301 | * Switch on (a given) quota enforcement for a filesystem. This takes | |
302 | * effect immediately. | |
303 | * (Switching on quota accounting must be done at mount time.) | |
304 | */ | |
fcafb71b | 305 | int |
1da177e4 LT |
306 | xfs_qm_scall_quotaon( |
307 | xfs_mount_t *mp, | |
308 | uint flags) | |
309 | { | |
310 | int error; | |
1da177e4 | 311 | uint qf; |
1da177e4 LT |
312 | __int64_t sbflags; |
313 | ||
1da177e4 LT |
314 | flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD); |
315 | /* | |
316 | * Switching on quota accounting must be done at mount time. | |
317 | */ | |
1da177e4 LT |
318 | flags &= ~(XFS_ALL_QUOTA_ACCT); |
319 | ||
320 | sbflags = 0; | |
321 | ||
322 | if (flags == 0) { | |
8221112b DC |
323 | xfs_debug(mp, "%s: zero flags, m_qflags=%x\n", |
324 | __func__, mp->m_qflags); | |
1da177e4 LT |
325 | return XFS_ERROR(EINVAL); |
326 | } | |
327 | ||
328 | /* No fs can turn on quotas with a delayed effect */ | |
329 | ASSERT((flags & XFS_ALL_QUOTA_ACCT) == 0); | |
330 | ||
331 | /* | |
332 | * Can't enforce without accounting. We check the superblock | |
333 | * qflags here instead of m_qflags because rootfs can have | |
334 | * quota acct on ondisk without m_qflags' knowing. | |
335 | */ | |
336 | if (((flags & XFS_UQUOTA_ACCT) == 0 && | |
337 | (mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) == 0 && | |
338 | (flags & XFS_UQUOTA_ENFD)) | |
339 | || | |
c8ad20ff NS |
340 | ((flags & XFS_PQUOTA_ACCT) == 0 && |
341 | (mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) == 0 && | |
424ea91b | 342 | (flags & XFS_GQUOTA_ACCT) == 0 && |
1da177e4 | 343 | (mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) == 0 && |
c8ad20ff | 344 | (flags & XFS_OQUOTA_ENFD))) { |
8221112b DC |
345 | xfs_debug(mp, |
346 | "%s: Can't enforce without acct, flags=%x sbflags=%x\n", | |
347 | __func__, flags, mp->m_sb.sb_qflags); | |
1da177e4 LT |
348 | return XFS_ERROR(EINVAL); |
349 | } | |
350 | /* | |
25985edc | 351 | * If everything's up to-date incore, then don't waste time. |
1da177e4 LT |
352 | */ |
353 | if ((mp->m_qflags & flags) == flags) | |
354 | return XFS_ERROR(EEXIST); | |
355 | ||
356 | /* | |
357 | * Change sb_qflags on disk but not incore mp->qflags | |
358 | * if this is the root filesystem. | |
359 | */ | |
3685c2a1 | 360 | spin_lock(&mp->m_sb_lock); |
1da177e4 LT |
361 | qf = mp->m_sb.sb_qflags; |
362 | mp->m_sb.sb_qflags = qf | flags; | |
3685c2a1 | 363 | spin_unlock(&mp->m_sb_lock); |
1da177e4 LT |
364 | |
365 | /* | |
366 | * There's nothing to change if it's the same. | |
367 | */ | |
368 | if ((qf & flags) == flags && sbflags == 0) | |
369 | return XFS_ERROR(EEXIST); | |
370 | sbflags |= XFS_SB_QFLAGS; | |
371 | ||
372 | if ((error = xfs_qm_write_sb_changes(mp, sbflags))) | |
373 | return (error); | |
374 | /* | |
375 | * If we aren't trying to switch on quota enforcement, we are done. | |
376 | */ | |
377 | if (((mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) != | |
378 | (mp->m_qflags & XFS_UQUOTA_ACCT)) || | |
c8ad20ff NS |
379 | ((mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) != |
380 | (mp->m_qflags & XFS_PQUOTA_ACCT)) || | |
381 | ((mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) != | |
382 | (mp->m_qflags & XFS_GQUOTA_ACCT)) || | |
1da177e4 LT |
383 | (flags & XFS_ALL_QUOTA_ENFD) == 0) |
384 | return (0); | |
385 | ||
386 | if (! XFS_IS_QUOTA_RUNNING(mp)) | |
387 | return XFS_ERROR(ESRCH); | |
388 | ||
389 | /* | |
390 | * Switch on quota enforcement in core. | |
391 | */ | |
8a7b8a89 | 392 | mutex_lock(&mp->m_quotainfo->qi_quotaofflock); |
1da177e4 | 393 | mp->m_qflags |= (flags & XFS_ALL_QUOTA_ENFD); |
8a7b8a89 | 394 | mutex_unlock(&mp->m_quotainfo->qi_quotaofflock); |
1da177e4 LT |
395 | |
396 | return (0); | |
397 | } | |
398 | ||
399 | ||
1da177e4 LT |
400 | /* |
401 | * Return quota status information, such as uquota-off, enforcements, etc. | |
402 | */ | |
fcafb71b | 403 | int |
1da177e4 | 404 | xfs_qm_scall_getqstat( |
8a7b8a89 CH |
405 | struct xfs_mount *mp, |
406 | struct fs_quota_stat *out) | |
1da177e4 | 407 | { |
8a7b8a89 CH |
408 | struct xfs_quotainfo *q = mp->m_quotainfo; |
409 | struct xfs_inode *uip, *gip; | |
410 | boolean_t tempuqip, tempgqip; | |
1da177e4 LT |
411 | |
412 | uip = gip = NULL; | |
413 | tempuqip = tempgqip = B_FALSE; | |
414 | memset(out, 0, sizeof(fs_quota_stat_t)); | |
415 | ||
416 | out->qs_version = FS_QSTAT_VERSION; | |
62118709 | 417 | if (!xfs_sb_version_hasquota(&mp->m_sb)) { |
1da177e4 LT |
418 | out->qs_uquota.qfs_ino = NULLFSINO; |
419 | out->qs_gquota.qfs_ino = NULLFSINO; | |
420 | return (0); | |
421 | } | |
422 | out->qs_flags = (__uint16_t) xfs_qm_export_flags(mp->m_qflags & | |
423 | (XFS_ALL_QUOTA_ACCT| | |
424 | XFS_ALL_QUOTA_ENFD)); | |
425 | out->qs_pad = 0; | |
426 | out->qs_uquota.qfs_ino = mp->m_sb.sb_uquotino; | |
427 | out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino; | |
428 | ||
8a7b8a89 CH |
429 | if (q) { |
430 | uip = q->qi_uquotaip; | |
431 | gip = q->qi_gquotaip; | |
1da177e4 LT |
432 | } |
433 | if (!uip && mp->m_sb.sb_uquotino != NULLFSINO) { | |
434 | if (xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, | |
7b6259e7 | 435 | 0, 0, &uip) == 0) |
1da177e4 LT |
436 | tempuqip = B_TRUE; |
437 | } | |
438 | if (!gip && mp->m_sb.sb_gquotino != NULLFSINO) { | |
439 | if (xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, | |
7b6259e7 | 440 | 0, 0, &gip) == 0) |
1da177e4 LT |
441 | tempgqip = B_TRUE; |
442 | } | |
443 | if (uip) { | |
444 | out->qs_uquota.qfs_nblks = uip->i_d.di_nblocks; | |
445 | out->qs_uquota.qfs_nextents = uip->i_d.di_nextents; | |
446 | if (tempuqip) | |
43355099 | 447 | IRELE(uip); |
1da177e4 LT |
448 | } |
449 | if (gip) { | |
450 | out->qs_gquota.qfs_nblks = gip->i_d.di_nblocks; | |
451 | out->qs_gquota.qfs_nextents = gip->i_d.di_nextents; | |
452 | if (tempgqip) | |
43355099 | 453 | IRELE(gip); |
1da177e4 | 454 | } |
8a7b8a89 CH |
455 | if (q) { |
456 | out->qs_incoredqs = q->qi_dquots; | |
457 | out->qs_btimelimit = q->qi_btimelimit; | |
458 | out->qs_itimelimit = q->qi_itimelimit; | |
459 | out->qs_rtbtimelimit = q->qi_rtbtimelimit; | |
460 | out->qs_bwarnlimit = q->qi_bwarnlimit; | |
461 | out->qs_iwarnlimit = q->qi_iwarnlimit; | |
1da177e4 | 462 | } |
8a7b8a89 | 463 | return 0; |
1da177e4 LT |
464 | } |
465 | ||
c472b432 CH |
466 | #define XFS_DQ_MASK \ |
467 | (FS_DQ_LIMIT_MASK | FS_DQ_TIMER_MASK | FS_DQ_WARNS_MASK) | |
468 | ||
1da177e4 LT |
469 | /* |
470 | * Adjust quota limits, and start/stop timers accordingly. | |
471 | */ | |
fcafb71b | 472 | int |
1da177e4 LT |
473 | xfs_qm_scall_setqlim( |
474 | xfs_mount_t *mp, | |
475 | xfs_dqid_t id, | |
476 | uint type, | |
477 | fs_disk_quota_t *newlim) | |
478 | { | |
8a7b8a89 | 479 | struct xfs_quotainfo *q = mp->m_quotainfo; |
1da177e4 LT |
480 | xfs_disk_dquot_t *ddq; |
481 | xfs_dquot_t *dqp; | |
482 | xfs_trans_t *tp; | |
483 | int error; | |
484 | xfs_qcnt_t hard, soft; | |
485 | ||
c472b432 CH |
486 | if (newlim->d_fieldmask & ~XFS_DQ_MASK) |
487 | return EINVAL; | |
488 | if ((newlim->d_fieldmask & XFS_DQ_MASK) == 0) | |
489 | return 0; | |
1da177e4 LT |
490 | |
491 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SETQLIM); | |
492 | if ((error = xfs_trans_reserve(tp, 0, sizeof(xfs_disk_dquot_t) + 128, | |
493 | 0, 0, XFS_DEFAULT_LOG_COUNT))) { | |
494 | xfs_trans_cancel(tp, 0); | |
495 | return (error); | |
496 | } | |
497 | ||
498 | /* | |
499 | * We don't want to race with a quotaoff so take the quotaoff lock. | |
500 | * (We don't hold an inode lock, so there's nothing else to stop | |
501 | * a quotaoff from happening). (XXXThis doesn't currently happen | |
502 | * because we take the vfslock before calling xfs_qm_sysent). | |
503 | */ | |
8a7b8a89 | 504 | mutex_lock(&q->qi_quotaofflock); |
1da177e4 LT |
505 | |
506 | /* | |
507 | * Get the dquot (locked), and join it to the transaction. | |
508 | * Allocate the dquot if this doesn't exist. | |
509 | */ | |
510 | if ((error = xfs_qm_dqget(mp, NULL, id, type, XFS_QMOPT_DQALLOC, &dqp))) { | |
511 | xfs_trans_cancel(tp, XFS_TRANS_ABORT); | |
1da177e4 | 512 | ASSERT(error != ENOENT); |
8a7b8a89 | 513 | goto out_unlock; |
1da177e4 | 514 | } |
1da177e4 LT |
515 | xfs_trans_dqjoin(tp, dqp); |
516 | ddq = &dqp->q_core; | |
517 | ||
518 | /* | |
519 | * Make sure that hardlimits are >= soft limits before changing. | |
520 | */ | |
521 | hard = (newlim->d_fieldmask & FS_DQ_BHARD) ? | |
522 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_hardlimit) : | |
1149d96a | 523 | be64_to_cpu(ddq->d_blk_hardlimit); |
1da177e4 LT |
524 | soft = (newlim->d_fieldmask & FS_DQ_BSOFT) ? |
525 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_softlimit) : | |
1149d96a | 526 | be64_to_cpu(ddq->d_blk_softlimit); |
1da177e4 | 527 | if (hard == 0 || hard >= soft) { |
1149d96a CH |
528 | ddq->d_blk_hardlimit = cpu_to_be64(hard); |
529 | ddq->d_blk_softlimit = cpu_to_be64(soft); | |
1da177e4 | 530 | if (id == 0) { |
8a7b8a89 CH |
531 | q->qi_bhardlimit = hard; |
532 | q->qi_bsoftlimit = soft; | |
1da177e4 LT |
533 | } |
534 | } else { | |
8221112b | 535 | xfs_debug(mp, "blkhard %Ld < blksoft %Ld\n", hard, soft); |
1da177e4 LT |
536 | } |
537 | hard = (newlim->d_fieldmask & FS_DQ_RTBHARD) ? | |
538 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_rtb_hardlimit) : | |
1149d96a | 539 | be64_to_cpu(ddq->d_rtb_hardlimit); |
1da177e4 LT |
540 | soft = (newlim->d_fieldmask & FS_DQ_RTBSOFT) ? |
541 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_rtb_softlimit) : | |
1149d96a | 542 | be64_to_cpu(ddq->d_rtb_softlimit); |
1da177e4 | 543 | if (hard == 0 || hard >= soft) { |
1149d96a CH |
544 | ddq->d_rtb_hardlimit = cpu_to_be64(hard); |
545 | ddq->d_rtb_softlimit = cpu_to_be64(soft); | |
1da177e4 | 546 | if (id == 0) { |
8a7b8a89 CH |
547 | q->qi_rtbhardlimit = hard; |
548 | q->qi_rtbsoftlimit = soft; | |
1da177e4 LT |
549 | } |
550 | } else { | |
8221112b | 551 | xfs_debug(mp, "rtbhard %Ld < rtbsoft %Ld\n", hard, soft); |
1da177e4 LT |
552 | } |
553 | ||
554 | hard = (newlim->d_fieldmask & FS_DQ_IHARD) ? | |
555 | (xfs_qcnt_t) newlim->d_ino_hardlimit : | |
1149d96a | 556 | be64_to_cpu(ddq->d_ino_hardlimit); |
1da177e4 LT |
557 | soft = (newlim->d_fieldmask & FS_DQ_ISOFT) ? |
558 | (xfs_qcnt_t) newlim->d_ino_softlimit : | |
1149d96a | 559 | be64_to_cpu(ddq->d_ino_softlimit); |
1da177e4 | 560 | if (hard == 0 || hard >= soft) { |
1149d96a CH |
561 | ddq->d_ino_hardlimit = cpu_to_be64(hard); |
562 | ddq->d_ino_softlimit = cpu_to_be64(soft); | |
1da177e4 | 563 | if (id == 0) { |
8a7b8a89 CH |
564 | q->qi_ihardlimit = hard; |
565 | q->qi_isoftlimit = soft; | |
1da177e4 LT |
566 | } |
567 | } else { | |
8221112b | 568 | xfs_debug(mp, "ihard %Ld < isoft %Ld\n", hard, soft); |
1da177e4 LT |
569 | } |
570 | ||
754002b4 NS |
571 | /* |
572 | * Update warnings counter(s) if requested | |
573 | */ | |
574 | if (newlim->d_fieldmask & FS_DQ_BWARNS) | |
1149d96a | 575 | ddq->d_bwarns = cpu_to_be16(newlim->d_bwarns); |
754002b4 | 576 | if (newlim->d_fieldmask & FS_DQ_IWARNS) |
1149d96a | 577 | ddq->d_iwarns = cpu_to_be16(newlim->d_iwarns); |
754002b4 | 578 | if (newlim->d_fieldmask & FS_DQ_RTBWARNS) |
1149d96a | 579 | ddq->d_rtbwarns = cpu_to_be16(newlim->d_rtbwarns); |
754002b4 | 580 | |
1da177e4 LT |
581 | if (id == 0) { |
582 | /* | |
583 | * Timelimits for the super user set the relative time | |
584 | * the other users can be over quota for this file system. | |
585 | * If it is zero a default is used. Ditto for the default | |
754002b4 NS |
586 | * soft and hard limit values (already done, above), and |
587 | * for warnings. | |
1da177e4 LT |
588 | */ |
589 | if (newlim->d_fieldmask & FS_DQ_BTIMER) { | |
8a7b8a89 | 590 | q->qi_btimelimit = newlim->d_btimer; |
1149d96a | 591 | ddq->d_btimer = cpu_to_be32(newlim->d_btimer); |
1da177e4 LT |
592 | } |
593 | if (newlim->d_fieldmask & FS_DQ_ITIMER) { | |
8a7b8a89 | 594 | q->qi_itimelimit = newlim->d_itimer; |
1149d96a | 595 | ddq->d_itimer = cpu_to_be32(newlim->d_itimer); |
1da177e4 LT |
596 | } |
597 | if (newlim->d_fieldmask & FS_DQ_RTBTIMER) { | |
8a7b8a89 | 598 | q->qi_rtbtimelimit = newlim->d_rtbtimer; |
1149d96a | 599 | ddq->d_rtbtimer = cpu_to_be32(newlim->d_rtbtimer); |
1da177e4 | 600 | } |
754002b4 | 601 | if (newlim->d_fieldmask & FS_DQ_BWARNS) |
8a7b8a89 | 602 | q->qi_bwarnlimit = newlim->d_bwarns; |
754002b4 | 603 | if (newlim->d_fieldmask & FS_DQ_IWARNS) |
8a7b8a89 | 604 | q->qi_iwarnlimit = newlim->d_iwarns; |
754002b4 | 605 | if (newlim->d_fieldmask & FS_DQ_RTBWARNS) |
8a7b8a89 | 606 | q->qi_rtbwarnlimit = newlim->d_rtbwarns; |
754002b4 | 607 | } else { |
1da177e4 LT |
608 | /* |
609 | * If the user is now over quota, start the timelimit. | |
610 | * The user will not be 'warned'. | |
611 | * Note that we keep the timers ticking, whether enforcement | |
612 | * is on or off. We don't really want to bother with iterating | |
613 | * over all ondisk dquots and turning the timers on/off. | |
614 | */ | |
615 | xfs_qm_adjust_dqtimers(mp, ddq); | |
616 | } | |
617 | dqp->dq_flags |= XFS_DQ_DIRTY; | |
618 | xfs_trans_log_dquot(tp, dqp); | |
619 | ||
e5720eec | 620 | error = xfs_trans_commit(tp, 0); |
1da177e4 | 621 | xfs_qm_dqrele(dqp); |
1da177e4 | 622 | |
8a7b8a89 CH |
623 | out_unlock: |
624 | mutex_unlock(&q->qi_quotaofflock); | |
e5720eec | 625 | return error; |
1da177e4 LT |
626 | } |
627 | ||
1da177e4 LT |
628 | STATIC int |
629 | xfs_qm_log_quotaoff_end( | |
630 | xfs_mount_t *mp, | |
631 | xfs_qoff_logitem_t *startqoff, | |
632 | uint flags) | |
633 | { | |
c8ad20ff | 634 | xfs_trans_t *tp; |
1da177e4 | 635 | int error; |
c8ad20ff | 636 | xfs_qoff_logitem_t *qoffi; |
1da177e4 LT |
637 | |
638 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF_END); | |
639 | ||
640 | if ((error = xfs_trans_reserve(tp, 0, sizeof(xfs_qoff_logitem_t) * 2, | |
641 | 0, 0, XFS_DEFAULT_LOG_COUNT))) { | |
642 | xfs_trans_cancel(tp, 0); | |
643 | return (error); | |
644 | } | |
645 | ||
646 | qoffi = xfs_trans_get_qoff_item(tp, startqoff, | |
647 | flags & XFS_ALL_QUOTA_ACCT); | |
648 | xfs_trans_log_quotaoff_item(tp, qoffi); | |
649 | ||
650 | /* | |
651 | * We have to make sure that the transaction is secure on disk before we | |
652 | * return and actually stop quota accounting. So, make it synchronous. | |
653 | * We don't care about quotoff's performance. | |
654 | */ | |
655 | xfs_trans_set_sync(tp); | |
1c72bf90 | 656 | error = xfs_trans_commit(tp, 0); |
1da177e4 LT |
657 | return (error); |
658 | } | |
659 | ||
660 | ||
661 | STATIC int | |
662 | xfs_qm_log_quotaoff( | |
663 | xfs_mount_t *mp, | |
664 | xfs_qoff_logitem_t **qoffstartp, | |
665 | uint flags) | |
666 | { | |
667 | xfs_trans_t *tp; | |
668 | int error; | |
1da177e4 LT |
669 | xfs_qoff_logitem_t *qoffi=NULL; |
670 | uint oldsbqflag=0; | |
671 | ||
672 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF); | |
673 | if ((error = xfs_trans_reserve(tp, 0, | |
674 | sizeof(xfs_qoff_logitem_t) * 2 + | |
675 | mp->m_sb.sb_sectsize + 128, | |
676 | 0, | |
677 | 0, | |
678 | XFS_DEFAULT_LOG_COUNT))) { | |
679 | goto error0; | |
680 | } | |
681 | ||
682 | qoffi = xfs_trans_get_qoff_item(tp, NULL, flags & XFS_ALL_QUOTA_ACCT); | |
683 | xfs_trans_log_quotaoff_item(tp, qoffi); | |
684 | ||
3685c2a1 | 685 | spin_lock(&mp->m_sb_lock); |
1da177e4 LT |
686 | oldsbqflag = mp->m_sb.sb_qflags; |
687 | mp->m_sb.sb_qflags = (mp->m_qflags & ~(flags)) & XFS_MOUNT_QUOTA_ALL; | |
3685c2a1 | 688 | spin_unlock(&mp->m_sb_lock); |
1da177e4 LT |
689 | |
690 | xfs_mod_sb(tp, XFS_SB_QFLAGS); | |
691 | ||
692 | /* | |
693 | * We have to make sure that the transaction is secure on disk before we | |
694 | * return and actually stop quota accounting. So, make it synchronous. | |
695 | * We don't care about quotoff's performance. | |
696 | */ | |
697 | xfs_trans_set_sync(tp); | |
1c72bf90 | 698 | error = xfs_trans_commit(tp, 0); |
1da177e4 LT |
699 | |
700 | error0: | |
701 | if (error) { | |
702 | xfs_trans_cancel(tp, 0); | |
703 | /* | |
704 | * No one else is modifying sb_qflags, so this is OK. | |
705 | * We still hold the quotaofflock. | |
706 | */ | |
3685c2a1 | 707 | spin_lock(&mp->m_sb_lock); |
1da177e4 | 708 | mp->m_sb.sb_qflags = oldsbqflag; |
3685c2a1 | 709 | spin_unlock(&mp->m_sb_lock); |
1da177e4 LT |
710 | } |
711 | *qoffstartp = qoffi; | |
712 | return (error); | |
713 | } | |
714 | ||
715 | ||
18535a7e CH |
716 | int |
717 | xfs_qm_scall_getquota( | |
718 | struct xfs_mount *mp, | |
719 | xfs_dqid_t id, | |
720 | uint type, | |
1da177e4 LT |
721 | struct fs_disk_quota *dst) |
722 | { | |
18535a7e CH |
723 | struct xfs_dquot *dqp; |
724 | int error; | |
725 | ||
726 | /* | |
727 | * Try to get the dquot. We don't want it allocated on disk, so | |
728 | * we aren't passing the XFS_QMOPT_DOALLOC flag. If it doesn't | |
729 | * exist, we'll get ENOENT back. | |
730 | */ | |
731 | error = xfs_qm_dqget(mp, NULL, id, type, 0, &dqp); | |
732 | if (error) | |
733 | return error; | |
734 | ||
735 | /* | |
736 | * If everything's NULL, this dquot doesn't quite exist as far as | |
737 | * our utility programs are concerned. | |
738 | */ | |
739 | if (XFS_IS_DQUOT_UNINITIALIZED(dqp)) { | |
740 | error = XFS_ERROR(ENOENT); | |
741 | goto out_put; | |
742 | } | |
743 | ||
1da177e4 | 744 | memset(dst, 0, sizeof(*dst)); |
18535a7e CH |
745 | dst->d_version = FS_DQUOT_VERSION; |
746 | dst->d_flags = xfs_qm_export_qtype_flags(dqp->q_core.d_flags); | |
747 | dst->d_id = be32_to_cpu(dqp->q_core.d_id); | |
1149d96a | 748 | dst->d_blk_hardlimit = |
18535a7e | 749 | XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_blk_hardlimit)); |
1149d96a | 750 | dst->d_blk_softlimit = |
18535a7e CH |
751 | XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_blk_softlimit)); |
752 | dst->d_ino_hardlimit = be64_to_cpu(dqp->q_core.d_ino_hardlimit); | |
753 | dst->d_ino_softlimit = be64_to_cpu(dqp->q_core.d_ino_softlimit); | |
89605011 CH |
754 | dst->d_bcount = XFS_FSB_TO_BB(mp, dqp->q_res_bcount); |
755 | dst->d_icount = dqp->q_res_icount; | |
18535a7e CH |
756 | dst->d_btimer = be32_to_cpu(dqp->q_core.d_btimer); |
757 | dst->d_itimer = be32_to_cpu(dqp->q_core.d_itimer); | |
758 | dst->d_iwarns = be16_to_cpu(dqp->q_core.d_iwarns); | |
759 | dst->d_bwarns = be16_to_cpu(dqp->q_core.d_bwarns); | |
1149d96a | 760 | dst->d_rtb_hardlimit = |
18535a7e | 761 | XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_rtb_hardlimit)); |
1149d96a | 762 | dst->d_rtb_softlimit = |
18535a7e | 763 | XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_rtb_softlimit)); |
89605011 | 764 | dst->d_rtbcount = XFS_FSB_TO_BB(mp, dqp->q_res_rtbcount); |
18535a7e CH |
765 | dst->d_rtbtimer = be32_to_cpu(dqp->q_core.d_rtbtimer); |
766 | dst->d_rtbwarns = be16_to_cpu(dqp->q_core.d_rtbwarns); | |
1da177e4 LT |
767 | |
768 | /* | |
769 | * Internally, we don't reset all the timers when quota enforcement | |
c41564b5 | 770 | * gets turned off. No need to confuse the user level code, |
1da177e4 LT |
771 | * so return zeroes in that case. |
772 | */ | |
18535a7e | 773 | if ((!XFS_IS_UQUOTA_ENFORCED(mp) && dqp->q_core.d_flags == XFS_DQ_USER) || |
e6d29426 | 774 | (!XFS_IS_OQUOTA_ENFORCED(mp) && |
18535a7e | 775 | (dqp->q_core.d_flags & (XFS_DQ_PROJ | XFS_DQ_GROUP)))) { |
1da177e4 LT |
776 | dst->d_btimer = 0; |
777 | dst->d_itimer = 0; | |
778 | dst->d_rtbtimer = 0; | |
779 | } | |
780 | ||
781 | #ifdef DEBUG | |
ade7ce31 | 782 | if (((XFS_IS_UQUOTA_ENFORCED(mp) && dst->d_flags == FS_USER_QUOTA) || |
e6d29426 | 783 | (XFS_IS_OQUOTA_ENFORCED(mp) && |
ade7ce31 | 784 | (dst->d_flags & (FS_PROJ_QUOTA | FS_GROUP_QUOTA)))) && |
e6d29426 | 785 | dst->d_id != 0) { |
d0a3fe67 | 786 | if (((int) dst->d_bcount > (int) dst->d_blk_softlimit) && |
1da177e4 LT |
787 | (dst->d_blk_softlimit > 0)) { |
788 | ASSERT(dst->d_btimer != 0); | |
789 | } | |
d0a3fe67 | 790 | if (((int) dst->d_icount > (int) dst->d_ino_softlimit) && |
1da177e4 LT |
791 | (dst->d_ino_softlimit > 0)) { |
792 | ASSERT(dst->d_itimer != 0); | |
793 | } | |
794 | } | |
795 | #endif | |
18535a7e CH |
796 | out_put: |
797 | xfs_qm_dqput(dqp); | |
798 | return error; | |
1da177e4 LT |
799 | } |
800 | ||
1da177e4 LT |
801 | STATIC uint |
802 | xfs_qm_export_qtype_flags( | |
803 | uint flags) | |
804 | { | |
805 | /* | |
c8ad20ff | 806 | * Can't be more than one, or none. |
1da177e4 | 807 | */ |
ade7ce31 CH |
808 | ASSERT((flags & (FS_PROJ_QUOTA | FS_USER_QUOTA)) != |
809 | (FS_PROJ_QUOTA | FS_USER_QUOTA)); | |
810 | ASSERT((flags & (FS_PROJ_QUOTA | FS_GROUP_QUOTA)) != | |
811 | (FS_PROJ_QUOTA | FS_GROUP_QUOTA)); | |
812 | ASSERT((flags & (FS_USER_QUOTA | FS_GROUP_QUOTA)) != | |
813 | (FS_USER_QUOTA | FS_GROUP_QUOTA)); | |
814 | ASSERT((flags & (FS_PROJ_QUOTA|FS_USER_QUOTA|FS_GROUP_QUOTA)) != 0); | |
1da177e4 LT |
815 | |
816 | return (flags & XFS_DQ_USER) ? | |
ade7ce31 CH |
817 | FS_USER_QUOTA : (flags & XFS_DQ_PROJ) ? |
818 | FS_PROJ_QUOTA : FS_GROUP_QUOTA; | |
1da177e4 LT |
819 | } |
820 | ||
1da177e4 LT |
821 | STATIC uint |
822 | xfs_qm_export_flags( | |
823 | uint flags) | |
824 | { | |
825 | uint uflags; | |
826 | ||
827 | uflags = 0; | |
828 | if (flags & XFS_UQUOTA_ACCT) | |
ade7ce31 | 829 | uflags |= FS_QUOTA_UDQ_ACCT; |
c8ad20ff | 830 | if (flags & XFS_PQUOTA_ACCT) |
ade7ce31 | 831 | uflags |= FS_QUOTA_PDQ_ACCT; |
1da177e4 | 832 | if (flags & XFS_GQUOTA_ACCT) |
ade7ce31 | 833 | uflags |= FS_QUOTA_GDQ_ACCT; |
1da177e4 | 834 | if (flags & XFS_UQUOTA_ENFD) |
ade7ce31 | 835 | uflags |= FS_QUOTA_UDQ_ENFD; |
c8ad20ff NS |
836 | if (flags & (XFS_OQUOTA_ENFD)) { |
837 | uflags |= (flags & XFS_GQUOTA_ACCT) ? | |
ade7ce31 | 838 | FS_QUOTA_GDQ_ENFD : FS_QUOTA_PDQ_ENFD; |
c8ad20ff | 839 | } |
1da177e4 LT |
840 | return (uflags); |
841 | } | |
842 | ||
843 | ||
fe588ed3 CH |
844 | STATIC int |
845 | xfs_dqrele_inode( | |
846 | struct xfs_inode *ip, | |
847 | struct xfs_perag *pag, | |
848 | int flags) | |
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); |
65d0f205 | 884 | xfs_inode_ag_iterator(mp, xfs_dqrele_inode, flags); |
1da177e4 | 885 | } |