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; | |
83e782e1 | 120 | flags |= (XFS_GQUOTA_CHKD | XFS_GQUOTA_ENFD); |
1da177e4 | 121 | inactivate_flags |= XFS_GQUOTA_ACTIVE; |
92f8ff73 CS |
122 | } |
123 | if (flags & XFS_PQUOTA_ACCT) { | |
c8ad20ff | 124 | dqtype |= XFS_QMOPT_PQUOTA; |
83e782e1 | 125 | flags |= (XFS_PQUOTA_CHKD | XFS_PQUOTA_ENFD); |
c8ad20ff | 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 | 174 | */ |
b84a3a96 | 175 | mp->m_qflags &= ~flags; |
1da177e4 LT |
176 | |
177 | /* | |
178 | * Go through all the dquots of this file system and purge them, | |
b84a3a96 | 179 | * according to what was turned off. |
1da177e4 | 180 | */ |
b84a3a96 | 181 | xfs_qm_dqpurge_all(mp, dqtype); |
1da177e4 LT |
182 | |
183 | /* | |
184 | * Transactions that had started before ACTIVE state bit was cleared | |
185 | * could have logged many dquots, so they'd have higher LSNs than | |
186 | * the first QUOTAOFF log record does. If we happen to crash when | |
187 | * the tail of the log has gone past the QUOTAOFF record, but | |
188 | * before the last dquot modification, those dquots __will__ | |
189 | * recover, and that's not good. | |
190 | * | |
191 | * So, we have QUOTAOFF start and end logitems; the start | |
192 | * logitem won't get overwritten until the end logitem appears... | |
193 | */ | |
cb6edc26 DC |
194 | error = xfs_qm_log_quotaoff_end(mp, qoffstart, flags); |
195 | if (error) { | |
196 | /* We're screwed now. Shutdown is the only option. */ | |
197 | xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE); | |
8a7b8a89 | 198 | goto out_unlock; |
cb6edc26 | 199 | } |
1da177e4 LT |
200 | |
201 | /* | |
202 | * If quotas is completely disabled, close shop. | |
203 | */ | |
c8ad20ff NS |
204 | if (((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_SET1) || |
205 | ((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_SET2)) { | |
8a7b8a89 | 206 | mutex_unlock(&q->qi_quotaofflock); |
1da177e4 LT |
207 | xfs_qm_destroy_quotainfo(mp); |
208 | return (0); | |
209 | } | |
210 | ||
211 | /* | |
8a7b8a89 | 212 | * Release our quotainode references if we don't need them anymore. |
1da177e4 | 213 | */ |
8a7b8a89 CH |
214 | if ((dqtype & XFS_QMOPT_UQUOTA) && q->qi_uquotaip) { |
215 | IRELE(q->qi_uquotaip); | |
216 | q->qi_uquotaip = NULL; | |
1da177e4 | 217 | } |
92f8ff73 | 218 | if ((dqtype & XFS_QMOPT_GQUOTA) && q->qi_gquotaip) { |
8a7b8a89 CH |
219 | IRELE(q->qi_gquotaip); |
220 | q->qi_gquotaip = NULL; | |
1da177e4 | 221 | } |
92f8ff73 CS |
222 | if ((dqtype & XFS_QMOPT_PQUOTA) && q->qi_pquotaip) { |
223 | IRELE(q->qi_pquotaip); | |
224 | q->qi_pquotaip = NULL; | |
225 | } | |
1da177e4 | 226 | |
8a7b8a89 CH |
227 | out_unlock: |
228 | mutex_unlock(&q->qi_quotaofflock); | |
229 | return error; | |
1da177e4 LT |
230 | } |
231 | ||
5d18898b CH |
232 | STATIC int |
233 | xfs_qm_scall_trunc_qfile( | |
234 | struct xfs_mount *mp, | |
235 | xfs_ino_t ino) | |
236 | { | |
237 | struct xfs_inode *ip; | |
238 | struct xfs_trans *tp; | |
239 | int error; | |
240 | ||
241 | if (ino == NULLFSINO) | |
242 | return 0; | |
243 | ||
244 | error = xfs_iget(mp, NULL, ino, 0, 0, &ip); | |
245 | if (error) | |
246 | return error; | |
247 | ||
248 | xfs_ilock(ip, XFS_IOLOCK_EXCL); | |
249 | ||
250 | tp = xfs_trans_alloc(mp, XFS_TRANS_TRUNCATE_FILE); | |
251 | error = xfs_trans_reserve(tp, 0, XFS_ITRUNCATE_LOG_RES(mp), 0, | |
252 | XFS_TRANS_PERM_LOG_RES, | |
253 | XFS_ITRUNCATE_LOG_COUNT); | |
254 | if (error) { | |
255 | xfs_trans_cancel(tp, 0); | |
256 | xfs_iunlock(ip, XFS_IOLOCK_EXCL); | |
257 | goto out_put; | |
258 | } | |
259 | ||
260 | xfs_ilock(ip, XFS_ILOCK_EXCL); | |
ddc3415a | 261 | xfs_trans_ijoin(tp, ip, 0); |
5d18898b | 262 | |
673e8e59 | 263 | ip->i_d.di_size = 0; |
673e8e59 CH |
264 | xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); |
265 | ||
266 | error = xfs_itruncate_extents(&tp, ip, XFS_DATA_FORK, 0); | |
5d18898b CH |
267 | if (error) { |
268 | xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES | | |
269 | XFS_TRANS_ABORT); | |
270 | goto out_unlock; | |
271 | } | |
272 | ||
673e8e59 CH |
273 | ASSERT(ip->i_d.di_nextents == 0); |
274 | ||
dcd79a14 | 275 | xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); |
5d18898b CH |
276 | error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); |
277 | ||
278 | out_unlock: | |
279 | xfs_iunlock(ip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL); | |
280 | out_put: | |
281 | IRELE(ip); | |
282 | return error; | |
283 | } | |
284 | ||
fcafb71b | 285 | int |
1da177e4 LT |
286 | xfs_qm_scall_trunc_qfiles( |
287 | xfs_mount_t *mp, | |
288 | uint flags) | |
289 | { | |
88ab0208 | 290 | int error = 0, error2 = 0; |
1da177e4 | 291 | |
62118709 | 292 | if (!xfs_sb_version_hasquota(&mp->m_sb) || flags == 0) { |
8221112b DC |
293 | xfs_debug(mp, "%s: flags=%x m_qflags=%x\n", |
294 | __func__, flags, mp->m_qflags); | |
1da177e4 LT |
295 | return XFS_ERROR(EINVAL); |
296 | } | |
297 | ||
5d18898b CH |
298 | if (flags & XFS_DQ_USER) |
299 | error = xfs_qm_scall_trunc_qfile(mp, mp->m_sb.sb_uquotino); | |
300 | if (flags & (XFS_DQ_GROUP|XFS_DQ_PROJ)) | |
301 | error2 = xfs_qm_scall_trunc_qfile(mp, mp->m_sb.sb_gquotino); | |
1da177e4 | 302 | |
88ab0208 | 303 | return error ? error : error2; |
1da177e4 LT |
304 | } |
305 | ||
1da177e4 LT |
306 | /* |
307 | * Switch on (a given) quota enforcement for a filesystem. This takes | |
308 | * effect immediately. | |
309 | * (Switching on quota accounting must be done at mount time.) | |
310 | */ | |
fcafb71b | 311 | int |
1da177e4 LT |
312 | xfs_qm_scall_quotaon( |
313 | xfs_mount_t *mp, | |
314 | uint flags) | |
315 | { | |
316 | int error; | |
1da177e4 | 317 | uint qf; |
1da177e4 LT |
318 | __int64_t sbflags; |
319 | ||
1da177e4 LT |
320 | flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD); |
321 | /* | |
322 | * Switching on quota accounting must be done at mount time. | |
323 | */ | |
1da177e4 LT |
324 | flags &= ~(XFS_ALL_QUOTA_ACCT); |
325 | ||
326 | sbflags = 0; | |
327 | ||
328 | if (flags == 0) { | |
8221112b DC |
329 | xfs_debug(mp, "%s: zero flags, m_qflags=%x\n", |
330 | __func__, mp->m_qflags); | |
1da177e4 LT |
331 | return XFS_ERROR(EINVAL); |
332 | } | |
333 | ||
334 | /* No fs can turn on quotas with a delayed effect */ | |
335 | ASSERT((flags & XFS_ALL_QUOTA_ACCT) == 0); | |
336 | ||
337 | /* | |
338 | * Can't enforce without accounting. We check the superblock | |
339 | * qflags here instead of m_qflags because rootfs can have | |
340 | * quota acct on ondisk without m_qflags' knowing. | |
341 | */ | |
342 | if (((flags & XFS_UQUOTA_ACCT) == 0 && | |
83e782e1 CS |
343 | (mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) == 0 && |
344 | (flags & XFS_UQUOTA_ENFD)) || | |
345 | ((flags & XFS_GQUOTA_ACCT) == 0 && | |
346 | (mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) == 0 && | |
347 | (flags & XFS_GQUOTA_ENFD)) || | |
c8ad20ff | 348 | ((flags & XFS_PQUOTA_ACCT) == 0 && |
83e782e1 CS |
349 | (mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) == 0 && |
350 | (flags & XFS_PQUOTA_ENFD))) { | |
8221112b DC |
351 | xfs_debug(mp, |
352 | "%s: Can't enforce without acct, flags=%x sbflags=%x\n", | |
353 | __func__, flags, mp->m_sb.sb_qflags); | |
1da177e4 LT |
354 | return XFS_ERROR(EINVAL); |
355 | } | |
356 | /* | |
25985edc | 357 | * If everything's up to-date incore, then don't waste time. |
1da177e4 LT |
358 | */ |
359 | if ((mp->m_qflags & flags) == flags) | |
360 | return XFS_ERROR(EEXIST); | |
361 | ||
362 | /* | |
363 | * Change sb_qflags on disk but not incore mp->qflags | |
364 | * if this is the root filesystem. | |
365 | */ | |
3685c2a1 | 366 | spin_lock(&mp->m_sb_lock); |
1da177e4 LT |
367 | qf = mp->m_sb.sb_qflags; |
368 | mp->m_sb.sb_qflags = qf | flags; | |
3685c2a1 | 369 | spin_unlock(&mp->m_sb_lock); |
1da177e4 LT |
370 | |
371 | /* | |
372 | * There's nothing to change if it's the same. | |
373 | */ | |
374 | if ((qf & flags) == flags && sbflags == 0) | |
375 | return XFS_ERROR(EEXIST); | |
376 | sbflags |= XFS_SB_QFLAGS; | |
377 | ||
378 | if ((error = xfs_qm_write_sb_changes(mp, sbflags))) | |
379 | return (error); | |
380 | /* | |
381 | * If we aren't trying to switch on quota enforcement, we are done. | |
382 | */ | |
383 | if (((mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) != | |
384 | (mp->m_qflags & XFS_UQUOTA_ACCT)) || | |
c8ad20ff NS |
385 | ((mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) != |
386 | (mp->m_qflags & XFS_PQUOTA_ACCT)) || | |
387 | ((mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) != | |
388 | (mp->m_qflags & XFS_GQUOTA_ACCT)) || | |
1da177e4 LT |
389 | (flags & XFS_ALL_QUOTA_ENFD) == 0) |
390 | return (0); | |
391 | ||
392 | if (! XFS_IS_QUOTA_RUNNING(mp)) | |
393 | return XFS_ERROR(ESRCH); | |
394 | ||
395 | /* | |
396 | * Switch on quota enforcement in core. | |
397 | */ | |
8a7b8a89 | 398 | mutex_lock(&mp->m_quotainfo->qi_quotaofflock); |
1da177e4 | 399 | mp->m_qflags |= (flags & XFS_ALL_QUOTA_ENFD); |
8a7b8a89 | 400 | mutex_unlock(&mp->m_quotainfo->qi_quotaofflock); |
1da177e4 LT |
401 | |
402 | return (0); | |
403 | } | |
404 | ||
405 | ||
1da177e4 LT |
406 | /* |
407 | * Return quota status information, such as uquota-off, enforcements, etc. | |
408 | */ | |
fcafb71b | 409 | int |
1da177e4 | 410 | xfs_qm_scall_getqstat( |
8a7b8a89 CH |
411 | struct xfs_mount *mp, |
412 | struct fs_quota_stat *out) | |
1da177e4 | 413 | { |
8a7b8a89 | 414 | struct xfs_quotainfo *q = mp->m_quotainfo; |
113a5683 CS |
415 | struct xfs_inode *uip = NULL; |
416 | struct xfs_inode *gip = NULL; | |
417 | bool tempuqip = false; | |
418 | bool tempgqip = false; | |
1da177e4 | 419 | |
1da177e4 LT |
420 | memset(out, 0, sizeof(fs_quota_stat_t)); |
421 | ||
422 | out->qs_version = FS_QSTAT_VERSION; | |
62118709 | 423 | if (!xfs_sb_version_hasquota(&mp->m_sb)) { |
1da177e4 LT |
424 | out->qs_uquota.qfs_ino = NULLFSINO; |
425 | out->qs_gquota.qfs_ino = NULLFSINO; | |
426 | return (0); | |
427 | } | |
428 | out->qs_flags = (__uint16_t) xfs_qm_export_flags(mp->m_qflags & | |
429 | (XFS_ALL_QUOTA_ACCT| | |
430 | XFS_ALL_QUOTA_ENFD)); | |
431 | out->qs_pad = 0; | |
432 | out->qs_uquota.qfs_ino = mp->m_sb.sb_uquotino; | |
433 | out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino; | |
434 | ||
8a7b8a89 CH |
435 | if (q) { |
436 | uip = q->qi_uquotaip; | |
437 | gip = q->qi_gquotaip; | |
1da177e4 LT |
438 | } |
439 | if (!uip && mp->m_sb.sb_uquotino != NULLFSINO) { | |
440 | if (xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, | |
7b6259e7 | 441 | 0, 0, &uip) == 0) |
667a9291 | 442 | tempuqip = true; |
1da177e4 LT |
443 | } |
444 | if (!gip && mp->m_sb.sb_gquotino != NULLFSINO) { | |
445 | if (xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, | |
7b6259e7 | 446 | 0, 0, &gip) == 0) |
667a9291 | 447 | tempgqip = true; |
1da177e4 LT |
448 | } |
449 | if (uip) { | |
450 | out->qs_uquota.qfs_nblks = uip->i_d.di_nblocks; | |
451 | out->qs_uquota.qfs_nextents = uip->i_d.di_nextents; | |
452 | if (tempuqip) | |
43355099 | 453 | IRELE(uip); |
1da177e4 LT |
454 | } |
455 | if (gip) { | |
456 | out->qs_gquota.qfs_nblks = gip->i_d.di_nblocks; | |
457 | out->qs_gquota.qfs_nextents = gip->i_d.di_nextents; | |
458 | if (tempgqip) | |
43355099 | 459 | IRELE(gip); |
1da177e4 | 460 | } |
8a7b8a89 CH |
461 | if (q) { |
462 | out->qs_incoredqs = q->qi_dquots; | |
463 | out->qs_btimelimit = q->qi_btimelimit; | |
464 | out->qs_itimelimit = q->qi_itimelimit; | |
465 | out->qs_rtbtimelimit = q->qi_rtbtimelimit; | |
466 | out->qs_bwarnlimit = q->qi_bwarnlimit; | |
467 | out->qs_iwarnlimit = q->qi_iwarnlimit; | |
1da177e4 | 468 | } |
8a7b8a89 | 469 | return 0; |
1da177e4 LT |
470 | } |
471 | ||
c472b432 CH |
472 | #define XFS_DQ_MASK \ |
473 | (FS_DQ_LIMIT_MASK | FS_DQ_TIMER_MASK | FS_DQ_WARNS_MASK) | |
474 | ||
1da177e4 LT |
475 | /* |
476 | * Adjust quota limits, and start/stop timers accordingly. | |
477 | */ | |
fcafb71b | 478 | int |
1da177e4 | 479 | xfs_qm_scall_setqlim( |
b1366451 | 480 | struct xfs_mount *mp, |
1da177e4 LT |
481 | xfs_dqid_t id, |
482 | uint type, | |
483 | fs_disk_quota_t *newlim) | |
484 | { | |
8a7b8a89 | 485 | struct xfs_quotainfo *q = mp->m_quotainfo; |
b1366451 BF |
486 | struct xfs_disk_dquot *ddq; |
487 | struct xfs_dquot *dqp; | |
488 | struct xfs_trans *tp; | |
1da177e4 LT |
489 | int error; |
490 | xfs_qcnt_t hard, soft; | |
491 | ||
c472b432 CH |
492 | if (newlim->d_fieldmask & ~XFS_DQ_MASK) |
493 | return EINVAL; | |
494 | if ((newlim->d_fieldmask & XFS_DQ_MASK) == 0) | |
495 | return 0; | |
1da177e4 | 496 | |
1da177e4 LT |
497 | /* |
498 | * We don't want to race with a quotaoff so take the quotaoff lock. | |
f648167f DC |
499 | * We don't hold an inode lock, so there's nothing else to stop |
500 | * a quotaoff from happening. | |
1da177e4 | 501 | */ |
8a7b8a89 | 502 | mutex_lock(&q->qi_quotaofflock); |
1da177e4 LT |
503 | |
504 | /* | |
f648167f DC |
505 | * Get the dquot (locked) before we start, as we need to do a |
506 | * transaction to allocate it if it doesn't exist. Once we have the | |
507 | * dquot, unlock it so we can start the next transaction safely. We hold | |
508 | * a reference to the dquot, so it's safe to do this unlock/lock without | |
509 | * it being reclaimed in the mean time. | |
1da177e4 | 510 | */ |
f648167f DC |
511 | error = xfs_qm_dqget(mp, NULL, id, type, XFS_QMOPT_DQALLOC, &dqp); |
512 | if (error) { | |
1da177e4 | 513 | ASSERT(error != ENOENT); |
8a7b8a89 | 514 | goto out_unlock; |
1da177e4 | 515 | } |
f648167f DC |
516 | xfs_dqunlock(dqp); |
517 | ||
518 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SETQLIM); | |
519 | error = xfs_trans_reserve(tp, 0, XFS_QM_SETQLIM_LOG_RES(mp), | |
520 | 0, 0, XFS_DEFAULT_LOG_COUNT); | |
521 | if (error) { | |
522 | xfs_trans_cancel(tp, 0); | |
523 | goto out_rele; | |
524 | } | |
525 | ||
526 | xfs_dqlock(dqp); | |
1da177e4 LT |
527 | xfs_trans_dqjoin(tp, dqp); |
528 | ddq = &dqp->q_core; | |
529 | ||
530 | /* | |
531 | * Make sure that hardlimits are >= soft limits before changing. | |
532 | */ | |
533 | hard = (newlim->d_fieldmask & FS_DQ_BHARD) ? | |
534 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_hardlimit) : | |
1149d96a | 535 | be64_to_cpu(ddq->d_blk_hardlimit); |
1da177e4 LT |
536 | soft = (newlim->d_fieldmask & FS_DQ_BSOFT) ? |
537 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_softlimit) : | |
1149d96a | 538 | be64_to_cpu(ddq->d_blk_softlimit); |
1da177e4 | 539 | if (hard == 0 || hard >= soft) { |
1149d96a CH |
540 | ddq->d_blk_hardlimit = cpu_to_be64(hard); |
541 | ddq->d_blk_softlimit = cpu_to_be64(soft); | |
b1366451 | 542 | xfs_dquot_set_prealloc_limits(dqp); |
1da177e4 | 543 | if (id == 0) { |
8a7b8a89 CH |
544 | q->qi_bhardlimit = hard; |
545 | q->qi_bsoftlimit = soft; | |
1da177e4 LT |
546 | } |
547 | } else { | |
8221112b | 548 | xfs_debug(mp, "blkhard %Ld < blksoft %Ld\n", hard, soft); |
1da177e4 LT |
549 | } |
550 | hard = (newlim->d_fieldmask & FS_DQ_RTBHARD) ? | |
551 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_rtb_hardlimit) : | |
1149d96a | 552 | be64_to_cpu(ddq->d_rtb_hardlimit); |
1da177e4 LT |
553 | soft = (newlim->d_fieldmask & FS_DQ_RTBSOFT) ? |
554 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_rtb_softlimit) : | |
1149d96a | 555 | be64_to_cpu(ddq->d_rtb_softlimit); |
1da177e4 | 556 | if (hard == 0 || hard >= soft) { |
1149d96a CH |
557 | ddq->d_rtb_hardlimit = cpu_to_be64(hard); |
558 | ddq->d_rtb_softlimit = cpu_to_be64(soft); | |
1da177e4 | 559 | if (id == 0) { |
8a7b8a89 CH |
560 | q->qi_rtbhardlimit = hard; |
561 | q->qi_rtbsoftlimit = soft; | |
1da177e4 LT |
562 | } |
563 | } else { | |
8221112b | 564 | xfs_debug(mp, "rtbhard %Ld < rtbsoft %Ld\n", hard, soft); |
1da177e4 LT |
565 | } |
566 | ||
567 | hard = (newlim->d_fieldmask & FS_DQ_IHARD) ? | |
568 | (xfs_qcnt_t) newlim->d_ino_hardlimit : | |
1149d96a | 569 | be64_to_cpu(ddq->d_ino_hardlimit); |
1da177e4 LT |
570 | soft = (newlim->d_fieldmask & FS_DQ_ISOFT) ? |
571 | (xfs_qcnt_t) newlim->d_ino_softlimit : | |
1149d96a | 572 | be64_to_cpu(ddq->d_ino_softlimit); |
1da177e4 | 573 | if (hard == 0 || hard >= soft) { |
1149d96a CH |
574 | ddq->d_ino_hardlimit = cpu_to_be64(hard); |
575 | ddq->d_ino_softlimit = cpu_to_be64(soft); | |
1da177e4 | 576 | if (id == 0) { |
8a7b8a89 CH |
577 | q->qi_ihardlimit = hard; |
578 | q->qi_isoftlimit = soft; | |
1da177e4 LT |
579 | } |
580 | } else { | |
8221112b | 581 | xfs_debug(mp, "ihard %Ld < isoft %Ld\n", hard, soft); |
1da177e4 LT |
582 | } |
583 | ||
754002b4 NS |
584 | /* |
585 | * Update warnings counter(s) if requested | |
586 | */ | |
587 | if (newlim->d_fieldmask & FS_DQ_BWARNS) | |
1149d96a | 588 | ddq->d_bwarns = cpu_to_be16(newlim->d_bwarns); |
754002b4 | 589 | if (newlim->d_fieldmask & FS_DQ_IWARNS) |
1149d96a | 590 | ddq->d_iwarns = cpu_to_be16(newlim->d_iwarns); |
754002b4 | 591 | if (newlim->d_fieldmask & FS_DQ_RTBWARNS) |
1149d96a | 592 | ddq->d_rtbwarns = cpu_to_be16(newlim->d_rtbwarns); |
754002b4 | 593 | |
1da177e4 LT |
594 | if (id == 0) { |
595 | /* | |
596 | * Timelimits for the super user set the relative time | |
597 | * the other users can be over quota for this file system. | |
598 | * If it is zero a default is used. Ditto for the default | |
754002b4 NS |
599 | * soft and hard limit values (already done, above), and |
600 | * for warnings. | |
1da177e4 LT |
601 | */ |
602 | if (newlim->d_fieldmask & FS_DQ_BTIMER) { | |
8a7b8a89 | 603 | q->qi_btimelimit = newlim->d_btimer; |
1149d96a | 604 | ddq->d_btimer = cpu_to_be32(newlim->d_btimer); |
1da177e4 LT |
605 | } |
606 | if (newlim->d_fieldmask & FS_DQ_ITIMER) { | |
8a7b8a89 | 607 | q->qi_itimelimit = newlim->d_itimer; |
1149d96a | 608 | ddq->d_itimer = cpu_to_be32(newlim->d_itimer); |
1da177e4 LT |
609 | } |
610 | if (newlim->d_fieldmask & FS_DQ_RTBTIMER) { | |
8a7b8a89 | 611 | q->qi_rtbtimelimit = newlim->d_rtbtimer; |
1149d96a | 612 | ddq->d_rtbtimer = cpu_to_be32(newlim->d_rtbtimer); |
1da177e4 | 613 | } |
754002b4 | 614 | if (newlim->d_fieldmask & FS_DQ_BWARNS) |
8a7b8a89 | 615 | q->qi_bwarnlimit = newlim->d_bwarns; |
754002b4 | 616 | if (newlim->d_fieldmask & FS_DQ_IWARNS) |
8a7b8a89 | 617 | q->qi_iwarnlimit = newlim->d_iwarns; |
754002b4 | 618 | if (newlim->d_fieldmask & FS_DQ_RTBWARNS) |
8a7b8a89 | 619 | q->qi_rtbwarnlimit = newlim->d_rtbwarns; |
754002b4 | 620 | } else { |
1da177e4 LT |
621 | /* |
622 | * If the user is now over quota, start the timelimit. | |
623 | * The user will not be 'warned'. | |
624 | * Note that we keep the timers ticking, whether enforcement | |
625 | * is on or off. We don't really want to bother with iterating | |
626 | * over all ondisk dquots and turning the timers on/off. | |
627 | */ | |
628 | xfs_qm_adjust_dqtimers(mp, ddq); | |
629 | } | |
630 | dqp->dq_flags |= XFS_DQ_DIRTY; | |
631 | xfs_trans_log_dquot(tp, dqp); | |
632 | ||
e5720eec | 633 | error = xfs_trans_commit(tp, 0); |
1da177e4 | 634 | |
f648167f DC |
635 | out_rele: |
636 | xfs_qm_dqrele(dqp); | |
637 | out_unlock: | |
8a7b8a89 | 638 | mutex_unlock(&q->qi_quotaofflock); |
e5720eec | 639 | return error; |
1da177e4 LT |
640 | } |
641 | ||
1da177e4 LT |
642 | STATIC int |
643 | xfs_qm_log_quotaoff_end( | |
644 | xfs_mount_t *mp, | |
645 | xfs_qoff_logitem_t *startqoff, | |
646 | uint flags) | |
647 | { | |
c8ad20ff | 648 | xfs_trans_t *tp; |
1da177e4 | 649 | int error; |
c8ad20ff | 650 | xfs_qoff_logitem_t *qoffi; |
1da177e4 LT |
651 | |
652 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF_END); | |
653 | ||
762d7ba6 JL |
654 | error = xfs_trans_reserve(tp, 0, XFS_QM_QUOTAOFF_END_LOG_RES(mp), |
655 | 0, 0, XFS_DEFAULT_LOG_COUNT); | |
656 | if (error) { | |
1da177e4 LT |
657 | xfs_trans_cancel(tp, 0); |
658 | return (error); | |
659 | } | |
660 | ||
661 | qoffi = xfs_trans_get_qoff_item(tp, startqoff, | |
662 | flags & XFS_ALL_QUOTA_ACCT); | |
663 | xfs_trans_log_quotaoff_item(tp, qoffi); | |
664 | ||
665 | /* | |
666 | * We have to make sure that the transaction is secure on disk before we | |
667 | * return and actually stop quota accounting. So, make it synchronous. | |
668 | * We don't care about quotoff's performance. | |
669 | */ | |
670 | xfs_trans_set_sync(tp); | |
1c72bf90 | 671 | error = xfs_trans_commit(tp, 0); |
1da177e4 LT |
672 | return (error); |
673 | } | |
674 | ||
675 | ||
676 | STATIC int | |
677 | xfs_qm_log_quotaoff( | |
678 | xfs_mount_t *mp, | |
679 | xfs_qoff_logitem_t **qoffstartp, | |
680 | uint flags) | |
681 | { | |
682 | xfs_trans_t *tp; | |
683 | int error; | |
1da177e4 LT |
684 | xfs_qoff_logitem_t *qoffi=NULL; |
685 | uint oldsbqflag=0; | |
686 | ||
687 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF); | |
a1bd9557 JL |
688 | error = xfs_trans_reserve(tp, 0, XFS_QM_QUOTAOFF_LOG_RES(mp), |
689 | 0, 0, XFS_DEFAULT_LOG_COUNT); | |
690 | if (error) | |
1da177e4 | 691 | goto error0; |
1da177e4 LT |
692 | |
693 | qoffi = xfs_trans_get_qoff_item(tp, NULL, flags & XFS_ALL_QUOTA_ACCT); | |
694 | xfs_trans_log_quotaoff_item(tp, qoffi); | |
695 | ||
3685c2a1 | 696 | spin_lock(&mp->m_sb_lock); |
1da177e4 LT |
697 | oldsbqflag = mp->m_sb.sb_qflags; |
698 | mp->m_sb.sb_qflags = (mp->m_qflags & ~(flags)) & XFS_MOUNT_QUOTA_ALL; | |
3685c2a1 | 699 | spin_unlock(&mp->m_sb_lock); |
1da177e4 LT |
700 | |
701 | xfs_mod_sb(tp, XFS_SB_QFLAGS); | |
702 | ||
703 | /* | |
704 | * We have to make sure that the transaction is secure on disk before we | |
705 | * return and actually stop quota accounting. So, make it synchronous. | |
706 | * We don't care about quotoff's performance. | |
707 | */ | |
708 | xfs_trans_set_sync(tp); | |
1c72bf90 | 709 | error = xfs_trans_commit(tp, 0); |
1da177e4 LT |
710 | |
711 | error0: | |
712 | if (error) { | |
713 | xfs_trans_cancel(tp, 0); | |
714 | /* | |
715 | * No one else is modifying sb_qflags, so this is OK. | |
716 | * We still hold the quotaofflock. | |
717 | */ | |
3685c2a1 | 718 | spin_lock(&mp->m_sb_lock); |
1da177e4 | 719 | mp->m_sb.sb_qflags = oldsbqflag; |
3685c2a1 | 720 | spin_unlock(&mp->m_sb_lock); |
1da177e4 LT |
721 | } |
722 | *qoffstartp = qoffi; | |
723 | return (error); | |
724 | } | |
725 | ||
726 | ||
18535a7e CH |
727 | int |
728 | xfs_qm_scall_getquota( | |
729 | struct xfs_mount *mp, | |
730 | xfs_dqid_t id, | |
731 | uint type, | |
1da177e4 LT |
732 | struct fs_disk_quota *dst) |
733 | { | |
18535a7e CH |
734 | struct xfs_dquot *dqp; |
735 | int error; | |
736 | ||
737 | /* | |
738 | * Try to get the dquot. We don't want it allocated on disk, so | |
739 | * we aren't passing the XFS_QMOPT_DOALLOC flag. If it doesn't | |
740 | * exist, we'll get ENOENT back. | |
741 | */ | |
742 | error = xfs_qm_dqget(mp, NULL, id, type, 0, &dqp); | |
743 | if (error) | |
744 | return error; | |
745 | ||
746 | /* | |
747 | * If everything's NULL, this dquot doesn't quite exist as far as | |
748 | * our utility programs are concerned. | |
749 | */ | |
750 | if (XFS_IS_DQUOT_UNINITIALIZED(dqp)) { | |
751 | error = XFS_ERROR(ENOENT); | |
752 | goto out_put; | |
753 | } | |
754 | ||
1da177e4 | 755 | memset(dst, 0, sizeof(*dst)); |
18535a7e CH |
756 | dst->d_version = FS_DQUOT_VERSION; |
757 | dst->d_flags = xfs_qm_export_qtype_flags(dqp->q_core.d_flags); | |
758 | dst->d_id = be32_to_cpu(dqp->q_core.d_id); | |
1149d96a | 759 | dst->d_blk_hardlimit = |
18535a7e | 760 | XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_blk_hardlimit)); |
1149d96a | 761 | dst->d_blk_softlimit = |
18535a7e CH |
762 | XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_blk_softlimit)); |
763 | dst->d_ino_hardlimit = be64_to_cpu(dqp->q_core.d_ino_hardlimit); | |
764 | dst->d_ino_softlimit = be64_to_cpu(dqp->q_core.d_ino_softlimit); | |
89605011 CH |
765 | dst->d_bcount = XFS_FSB_TO_BB(mp, dqp->q_res_bcount); |
766 | dst->d_icount = dqp->q_res_icount; | |
18535a7e CH |
767 | dst->d_btimer = be32_to_cpu(dqp->q_core.d_btimer); |
768 | dst->d_itimer = be32_to_cpu(dqp->q_core.d_itimer); | |
769 | dst->d_iwarns = be16_to_cpu(dqp->q_core.d_iwarns); | |
770 | dst->d_bwarns = be16_to_cpu(dqp->q_core.d_bwarns); | |
1149d96a | 771 | dst->d_rtb_hardlimit = |
18535a7e | 772 | XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_rtb_hardlimit)); |
1149d96a | 773 | dst->d_rtb_softlimit = |
18535a7e | 774 | XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_rtb_softlimit)); |
89605011 | 775 | dst->d_rtbcount = XFS_FSB_TO_BB(mp, dqp->q_res_rtbcount); |
18535a7e CH |
776 | dst->d_rtbtimer = be32_to_cpu(dqp->q_core.d_rtbtimer); |
777 | dst->d_rtbwarns = be16_to_cpu(dqp->q_core.d_rtbwarns); | |
1da177e4 LT |
778 | |
779 | /* | |
780 | * Internally, we don't reset all the timers when quota enforcement | |
c41564b5 | 781 | * gets turned off. No need to confuse the user level code, |
1da177e4 LT |
782 | * so return zeroes in that case. |
783 | */ | |
83e782e1 CS |
784 | if ((!XFS_IS_UQUOTA_ENFORCED(mp) && |
785 | dqp->q_core.d_flags == XFS_DQ_USER) || | |
786 | (!XFS_IS_GQUOTA_ENFORCED(mp) && | |
787 | dqp->q_core.d_flags == XFS_DQ_GROUP) || | |
788 | (!XFS_IS_PQUOTA_ENFORCED(mp) && | |
789 | dqp->q_core.d_flags == XFS_DQ_PROJ)) { | |
1da177e4 LT |
790 | dst->d_btimer = 0; |
791 | dst->d_itimer = 0; | |
792 | dst->d_rtbtimer = 0; | |
793 | } | |
794 | ||
795 | #ifdef DEBUG | |
ade7ce31 | 796 | if (((XFS_IS_UQUOTA_ENFORCED(mp) && dst->d_flags == FS_USER_QUOTA) || |
83e782e1 CS |
797 | (XFS_IS_GQUOTA_ENFORCED(mp) && dst->d_flags == FS_GROUP_QUOTA) || |
798 | (XFS_IS_PQUOTA_ENFORCED(mp) && dst->d_flags == FS_PROJ_QUOTA)) && | |
e6d29426 | 799 | dst->d_id != 0) { |
f7555032 | 800 | if ((dst->d_bcount > dst->d_blk_softlimit) && |
1da177e4 LT |
801 | (dst->d_blk_softlimit > 0)) { |
802 | ASSERT(dst->d_btimer != 0); | |
803 | } | |
f7555032 | 804 | if ((dst->d_icount > dst->d_ino_softlimit) && |
1da177e4 LT |
805 | (dst->d_ino_softlimit > 0)) { |
806 | ASSERT(dst->d_itimer != 0); | |
807 | } | |
808 | } | |
809 | #endif | |
18535a7e CH |
810 | out_put: |
811 | xfs_qm_dqput(dqp); | |
812 | return error; | |
1da177e4 LT |
813 | } |
814 | ||
1da177e4 LT |
815 | STATIC uint |
816 | xfs_qm_export_qtype_flags( | |
817 | uint flags) | |
818 | { | |
819 | /* | |
c8ad20ff | 820 | * Can't be more than one, or none. |
1da177e4 | 821 | */ |
ade7ce31 CH |
822 | ASSERT((flags & (FS_PROJ_QUOTA | FS_USER_QUOTA)) != |
823 | (FS_PROJ_QUOTA | FS_USER_QUOTA)); | |
824 | ASSERT((flags & (FS_PROJ_QUOTA | FS_GROUP_QUOTA)) != | |
825 | (FS_PROJ_QUOTA | FS_GROUP_QUOTA)); | |
826 | ASSERT((flags & (FS_USER_QUOTA | FS_GROUP_QUOTA)) != | |
827 | (FS_USER_QUOTA | FS_GROUP_QUOTA)); | |
828 | ASSERT((flags & (FS_PROJ_QUOTA|FS_USER_QUOTA|FS_GROUP_QUOTA)) != 0); | |
1da177e4 LT |
829 | |
830 | return (flags & XFS_DQ_USER) ? | |
ade7ce31 CH |
831 | FS_USER_QUOTA : (flags & XFS_DQ_PROJ) ? |
832 | FS_PROJ_QUOTA : FS_GROUP_QUOTA; | |
1da177e4 LT |
833 | } |
834 | ||
1da177e4 LT |
835 | STATIC uint |
836 | xfs_qm_export_flags( | |
837 | uint flags) | |
838 | { | |
839 | uint uflags; | |
840 | ||
841 | uflags = 0; | |
842 | if (flags & XFS_UQUOTA_ACCT) | |
ade7ce31 | 843 | uflags |= FS_QUOTA_UDQ_ACCT; |
1da177e4 | 844 | if (flags & XFS_GQUOTA_ACCT) |
ade7ce31 | 845 | uflags |= FS_QUOTA_GDQ_ACCT; |
83e782e1 CS |
846 | if (flags & XFS_PQUOTA_ACCT) |
847 | uflags |= FS_QUOTA_PDQ_ACCT; | |
1da177e4 | 848 | if (flags & XFS_UQUOTA_ENFD) |
ade7ce31 | 849 | uflags |= FS_QUOTA_UDQ_ENFD; |
83e782e1 CS |
850 | if (flags & XFS_GQUOTA_ENFD) |
851 | uflags |= FS_QUOTA_GDQ_ENFD; | |
852 | if (flags & XFS_PQUOTA_ENFD) | |
853 | uflags |= FS_QUOTA_PDQ_ENFD; | |
1da177e4 LT |
854 | return (uflags); |
855 | } | |
856 | ||
857 | ||
fe588ed3 CH |
858 | STATIC int |
859 | xfs_dqrele_inode( | |
860 | struct xfs_inode *ip, | |
861 | struct xfs_perag *pag, | |
a454f742 BF |
862 | int flags, |
863 | void *args) | |
1da177e4 | 864 | { |
fe588ed3 | 865 | /* skip quota inodes */ |
8a7b8a89 | 866 | if (ip == ip->i_mount->m_quotainfo->qi_uquotaip || |
92f8ff73 CS |
867 | ip == ip->i_mount->m_quotainfo->qi_gquotaip || |
868 | ip == ip->i_mount->m_quotainfo->qi_pquotaip) { | |
fe588ed3 CH |
869 | ASSERT(ip->i_udquot == NULL); |
870 | ASSERT(ip->i_gdquot == NULL); | |
92f8ff73 | 871 | ASSERT(ip->i_pdquot == NULL); |
fe588ed3 CH |
872 | return 0; |
873 | } | |
cb4f0d1d | 874 | |
fe588ed3 CH |
875 | xfs_ilock(ip, XFS_ILOCK_EXCL); |
876 | if ((flags & XFS_UQUOTA_ACCT) && ip->i_udquot) { | |
877 | xfs_qm_dqrele(ip->i_udquot); | |
878 | ip->i_udquot = NULL; | |
879 | } | |
92f8ff73 | 880 | if ((flags & XFS_GQUOTA_ACCT) && ip->i_gdquot) { |
fe588ed3 CH |
881 | xfs_qm_dqrele(ip->i_gdquot); |
882 | ip->i_gdquot = NULL; | |
883 | } | |
92f8ff73 CS |
884 | if ((flags & XFS_PQUOTA_ACCT) && ip->i_pdquot) { |
885 | xfs_qm_dqrele(ip->i_pdquot); | |
886 | ip->i_pdquot = NULL; | |
887 | } | |
f2d67614 | 888 | xfs_iunlock(ip, XFS_ILOCK_EXCL); |
fe588ed3 | 889 | return 0; |
5b4d89ae DC |
890 | } |
891 | ||
fe588ed3 | 892 | |
5b4d89ae DC |
893 | /* |
894 | * Go thru all the inodes in the file system, releasing their dquots. | |
fe588ed3 | 895 | * |
5b4d89ae | 896 | * Note that the mount structure gets modified to indicate that quotas are off |
fe588ed3 | 897 | * AFTER this, in the case of quotaoff. |
5b4d89ae DC |
898 | */ |
899 | void | |
900 | xfs_qm_dqrele_all_inodes( | |
901 | struct xfs_mount *mp, | |
902 | uint flags) | |
903 | { | |
5b4d89ae | 904 | ASSERT(mp->m_quotainfo); |
a454f742 | 905 | xfs_inode_ag_iterator(mp, xfs_dqrele_inode, flags, NULL); |
1da177e4 | 906 | } |