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" | |
70a9883c | 23 | #include "xfs_shared.h" |
239880ef DC |
24 | #include "xfs_format.h" |
25 | #include "xfs_log_format.h" | |
26 | #include "xfs_trans_resv.h" | |
a844f451 | 27 | #include "xfs_bit.h" |
1da177e4 | 28 | #include "xfs_sb.h" |
1da177e4 | 29 | #include "xfs_mount.h" |
1da177e4 | 30 | #include "xfs_inode.h" |
239880ef | 31 | #include "xfs_trans.h" |
1da177e4 | 32 | #include "xfs_error.h" |
a4fbe6ab | 33 | #include "xfs_quota.h" |
1da177e4 | 34 | #include "xfs_qm.h" |
0b1b213f | 35 | #include "xfs_trace.h" |
6d8b79cf | 36 | #include "xfs_icache.h" |
1da177e4 | 37 | |
1da177e4 LT |
38 | STATIC int xfs_qm_log_quotaoff(xfs_mount_t *, xfs_qoff_logitem_t **, uint); |
39 | STATIC int xfs_qm_log_quotaoff_end(xfs_mount_t *, xfs_qoff_logitem_t *, | |
40 | uint); | |
1da177e4 | 41 | STATIC uint xfs_qm_export_flags(uint); |
1da177e4 | 42 | |
1da177e4 LT |
43 | /* |
44 | * Turn off quota accounting and/or enforcement for all udquots and/or | |
45 | * gdquots. Called only at unmount time. | |
46 | * | |
47 | * This assumes that there are no dquots of this file system cached | |
48 | * incore, and modifies the ondisk dquot directly. Therefore, for example, | |
49 | * it is an error to call this twice, without purging the cache. | |
50 | */ | |
fcafb71b | 51 | int |
1da177e4 LT |
52 | xfs_qm_scall_quotaoff( |
53 | xfs_mount_t *mp, | |
fcafb71b | 54 | uint flags) |
1da177e4 | 55 | { |
8a7b8a89 | 56 | struct xfs_quotainfo *q = mp->m_quotainfo; |
1da177e4 | 57 | uint dqtype; |
1da177e4 LT |
58 | int error; |
59 | uint inactivate_flags; | |
60 | xfs_qoff_logitem_t *qoffstart; | |
1da177e4 | 61 | |
1da177e4 LT |
62 | /* |
63 | * No file system can have quotas enabled on disk but not in core. | |
64 | * Note that quota utilities (like quotaoff) _expect_ | |
2451337d | 65 | * errno == -EEXIST here. |
1da177e4 LT |
66 | */ |
67 | if ((mp->m_qflags & flags) == 0) | |
2451337d | 68 | return -EEXIST; |
1da177e4 LT |
69 | error = 0; |
70 | ||
71 | flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD); | |
72 | ||
73 | /* | |
74 | * We don't want to deal with two quotaoffs messing up each other, | |
75 | * so we're going to serialize it. quotaoff isn't exactly a performance | |
76 | * critical thing. | |
77 | * If quotaoff, then we must be dealing with the root filesystem. | |
78 | */ | |
8a7b8a89 CH |
79 | ASSERT(q); |
80 | mutex_lock(&q->qi_quotaofflock); | |
1da177e4 LT |
81 | |
82 | /* | |
83 | * If we're just turning off quota enforcement, change mp and go. | |
84 | */ | |
85 | if ((flags & XFS_ALL_QUOTA_ACCT) == 0) { | |
86 | mp->m_qflags &= ~(flags); | |
87 | ||
3685c2a1 | 88 | spin_lock(&mp->m_sb_lock); |
1da177e4 | 89 | mp->m_sb.sb_qflags = mp->m_qflags; |
3685c2a1 | 90 | spin_unlock(&mp->m_sb_lock); |
8a7b8a89 | 91 | mutex_unlock(&q->qi_quotaofflock); |
1da177e4 LT |
92 | |
93 | /* XXX what to do if error ? Revert back to old vals incore ? */ | |
61e63ecb | 94 | return xfs_sync_sb(mp, false); |
1da177e4 LT |
95 | } |
96 | ||
97 | dqtype = 0; | |
98 | inactivate_flags = 0; | |
99 | /* | |
100 | * If accounting is off, we must turn enforcement off, clear the | |
101 | * quota 'CHKD' certificate to make it known that we have to | |
102 | * do a quotacheck the next time this quota is turned on. | |
103 | */ | |
104 | if (flags & XFS_UQUOTA_ACCT) { | |
105 | dqtype |= XFS_QMOPT_UQUOTA; | |
106 | flags |= (XFS_UQUOTA_CHKD | XFS_UQUOTA_ENFD); | |
107 | inactivate_flags |= XFS_UQUOTA_ACTIVE; | |
108 | } | |
109 | if (flags & XFS_GQUOTA_ACCT) { | |
110 | dqtype |= XFS_QMOPT_GQUOTA; | |
83e782e1 | 111 | flags |= (XFS_GQUOTA_CHKD | XFS_GQUOTA_ENFD); |
1da177e4 | 112 | inactivate_flags |= XFS_GQUOTA_ACTIVE; |
92f8ff73 CS |
113 | } |
114 | if (flags & XFS_PQUOTA_ACCT) { | |
c8ad20ff | 115 | dqtype |= XFS_QMOPT_PQUOTA; |
83e782e1 | 116 | flags |= (XFS_PQUOTA_CHKD | XFS_PQUOTA_ENFD); |
c8ad20ff | 117 | inactivate_flags |= XFS_PQUOTA_ACTIVE; |
1da177e4 LT |
118 | } |
119 | ||
120 | /* | |
121 | * Nothing to do? Don't complain. This happens when we're just | |
122 | * turning off quota enforcement. | |
123 | */ | |
8a7b8a89 CH |
124 | if ((mp->m_qflags & flags) == 0) |
125 | goto out_unlock; | |
1da177e4 LT |
126 | |
127 | /* | |
128 | * Write the LI_QUOTAOFF log record, and do SB changes atomically, | |
cb6edc26 DC |
129 | * and synchronously. If we fail to write, we should abort the |
130 | * operation as it cannot be recovered safely if we crash. | |
1da177e4 | 131 | */ |
cb6edc26 DC |
132 | error = xfs_qm_log_quotaoff(mp, &qoffstart, flags); |
133 | if (error) | |
8a7b8a89 | 134 | goto out_unlock; |
1da177e4 LT |
135 | |
136 | /* | |
137 | * Next we clear the XFS_MOUNT_*DQ_ACTIVE bit(s) in the mount struct | |
138 | * to take care of the race between dqget and quotaoff. We don't take | |
139 | * any special locks to reset these bits. All processes need to check | |
140 | * these bits *after* taking inode lock(s) to see if the particular | |
141 | * quota type is in the process of being turned off. If *ACTIVE, it is | |
142 | * guaranteed that all dquot structures and all quotainode ptrs will all | |
143 | * stay valid as long as that inode is kept locked. | |
144 | * | |
145 | * There is no turning back after this. | |
146 | */ | |
147 | mp->m_qflags &= ~inactivate_flags; | |
148 | ||
149 | /* | |
150 | * Give back all the dquot reference(s) held by inodes. | |
151 | * Here we go thru every single incore inode in this file system, and | |
152 | * do a dqrele on the i_udquot/i_gdquot that it may have. | |
153 | * Essentially, as long as somebody has an inode locked, this guarantees | |
154 | * that quotas will not be turned off. This is handy because in a | |
155 | * transaction once we lock the inode(s) and check for quotaon, we can | |
156 | * depend on the quota inodes (and other things) being valid as long as | |
157 | * we keep the lock(s). | |
158 | */ | |
159 | xfs_qm_dqrele_all_inodes(mp, flags); | |
160 | ||
161 | /* | |
162 | * Next we make the changes in the quota flag in the mount struct. | |
163 | * This isn't protected by a particular lock directly, because we | |
25985edc | 164 | * don't want to take a mrlock every time we depend on quotas being on. |
1da177e4 | 165 | */ |
b84a3a96 | 166 | mp->m_qflags &= ~flags; |
1da177e4 LT |
167 | |
168 | /* | |
169 | * Go through all the dquots of this file system and purge them, | |
b84a3a96 | 170 | * according to what was turned off. |
1da177e4 | 171 | */ |
b84a3a96 | 172 | xfs_qm_dqpurge_all(mp, dqtype); |
1da177e4 LT |
173 | |
174 | /* | |
175 | * Transactions that had started before ACTIVE state bit was cleared | |
176 | * could have logged many dquots, so they'd have higher LSNs than | |
177 | * the first QUOTAOFF log record does. If we happen to crash when | |
178 | * the tail of the log has gone past the QUOTAOFF record, but | |
179 | * before the last dquot modification, those dquots __will__ | |
180 | * recover, and that's not good. | |
181 | * | |
182 | * So, we have QUOTAOFF start and end logitems; the start | |
183 | * logitem won't get overwritten until the end logitem appears... | |
184 | */ | |
cb6edc26 DC |
185 | error = xfs_qm_log_quotaoff_end(mp, qoffstart, flags); |
186 | if (error) { | |
187 | /* We're screwed now. Shutdown is the only option. */ | |
188 | xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE); | |
8a7b8a89 | 189 | goto out_unlock; |
cb6edc26 | 190 | } |
1da177e4 LT |
191 | |
192 | /* | |
c31ad439 | 193 | * If all quotas are completely turned off, close shop. |
1da177e4 | 194 | */ |
c31ad439 | 195 | if (mp->m_qflags == 0) { |
8a7b8a89 | 196 | mutex_unlock(&q->qi_quotaofflock); |
1da177e4 | 197 | xfs_qm_destroy_quotainfo(mp); |
d99831ff | 198 | return 0; |
1da177e4 LT |
199 | } |
200 | ||
201 | /* | |
8a7b8a89 | 202 | * Release our quotainode references if we don't need them anymore. |
1da177e4 | 203 | */ |
8a7b8a89 CH |
204 | if ((dqtype & XFS_QMOPT_UQUOTA) && q->qi_uquotaip) { |
205 | IRELE(q->qi_uquotaip); | |
206 | q->qi_uquotaip = NULL; | |
1da177e4 | 207 | } |
92f8ff73 | 208 | if ((dqtype & XFS_QMOPT_GQUOTA) && q->qi_gquotaip) { |
8a7b8a89 CH |
209 | IRELE(q->qi_gquotaip); |
210 | q->qi_gquotaip = NULL; | |
1da177e4 | 211 | } |
92f8ff73 CS |
212 | if ((dqtype & XFS_QMOPT_PQUOTA) && q->qi_pquotaip) { |
213 | IRELE(q->qi_pquotaip); | |
214 | q->qi_pquotaip = NULL; | |
215 | } | |
1da177e4 | 216 | |
8a7b8a89 CH |
217 | out_unlock: |
218 | mutex_unlock(&q->qi_quotaofflock); | |
219 | return error; | |
1da177e4 LT |
220 | } |
221 | ||
5d18898b CH |
222 | STATIC int |
223 | xfs_qm_scall_trunc_qfile( | |
224 | struct xfs_mount *mp, | |
225 | xfs_ino_t ino) | |
226 | { | |
227 | struct xfs_inode *ip; | |
228 | struct xfs_trans *tp; | |
229 | int error; | |
230 | ||
231 | if (ino == NULLFSINO) | |
232 | return 0; | |
233 | ||
234 | error = xfs_iget(mp, NULL, ino, 0, 0, &ip); | |
235 | if (error) | |
236 | return error; | |
237 | ||
238 | xfs_ilock(ip, XFS_IOLOCK_EXCL); | |
239 | ||
240 | tp = xfs_trans_alloc(mp, XFS_TRANS_TRUNCATE_FILE); | |
3d3c8b52 | 241 | error = xfs_trans_reserve(tp, &M_RES(mp)->tr_itruncate, 0, 0); |
5d18898b CH |
242 | if (error) { |
243 | xfs_trans_cancel(tp, 0); | |
244 | xfs_iunlock(ip, XFS_IOLOCK_EXCL); | |
245 | goto out_put; | |
246 | } | |
247 | ||
248 | xfs_ilock(ip, XFS_ILOCK_EXCL); | |
ddc3415a | 249 | xfs_trans_ijoin(tp, ip, 0); |
5d18898b | 250 | |
673e8e59 | 251 | ip->i_d.di_size = 0; |
673e8e59 CH |
252 | xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); |
253 | ||
254 | error = xfs_itruncate_extents(&tp, ip, XFS_DATA_FORK, 0); | |
5d18898b CH |
255 | if (error) { |
256 | xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES | | |
257 | XFS_TRANS_ABORT); | |
258 | goto out_unlock; | |
259 | } | |
260 | ||
673e8e59 CH |
261 | ASSERT(ip->i_d.di_nextents == 0); |
262 | ||
dcd79a14 | 263 | xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); |
5d18898b CH |
264 | error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); |
265 | ||
266 | out_unlock: | |
267 | xfs_iunlock(ip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL); | |
268 | out_put: | |
269 | IRELE(ip); | |
270 | return error; | |
271 | } | |
272 | ||
fcafb71b | 273 | int |
1da177e4 LT |
274 | xfs_qm_scall_trunc_qfiles( |
275 | xfs_mount_t *mp, | |
276 | uint flags) | |
277 | { | |
2451337d | 278 | int error = -EINVAL; |
1da177e4 | 279 | |
f58522c5 ES |
280 | if (!xfs_sb_version_hasquota(&mp->m_sb) || flags == 0 || |
281 | (flags & ~XFS_DQ_ALLTYPES)) { | |
08e96e1a | 282 | xfs_debug(mp, "%s: flags=%x m_qflags=%x", |
8221112b | 283 | __func__, flags, mp->m_qflags); |
2451337d | 284 | return -EINVAL; |
1da177e4 LT |
285 | } |
286 | ||
c61a9e39 | 287 | if (flags & XFS_DQ_USER) { |
5d18898b | 288 | error = xfs_qm_scall_trunc_qfile(mp, mp->m_sb.sb_uquotino); |
c61a9e39 JL |
289 | if (error) |
290 | return error; | |
291 | } | |
292 | if (flags & XFS_DQ_GROUP) { | |
293 | error = xfs_qm_scall_trunc_qfile(mp, mp->m_sb.sb_gquotino); | |
294 | if (error) | |
295 | return error; | |
296 | } | |
d892d586 | 297 | if (flags & XFS_DQ_PROJ) |
c61a9e39 | 298 | error = xfs_qm_scall_trunc_qfile(mp, mp->m_sb.sb_pquotino); |
1da177e4 | 299 | |
c61a9e39 | 300 | return error; |
1da177e4 LT |
301 | } |
302 | ||
1da177e4 LT |
303 | /* |
304 | * Switch on (a given) quota enforcement for a filesystem. This takes | |
305 | * effect immediately. | |
306 | * (Switching on quota accounting must be done at mount time.) | |
307 | */ | |
fcafb71b | 308 | int |
1da177e4 LT |
309 | xfs_qm_scall_quotaon( |
310 | xfs_mount_t *mp, | |
311 | uint flags) | |
312 | { | |
313 | int error; | |
1da177e4 | 314 | uint qf; |
1da177e4 | 315 | |
1da177e4 LT |
316 | flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD); |
317 | /* | |
318 | * Switching on quota accounting must be done at mount time. | |
319 | */ | |
1da177e4 LT |
320 | flags &= ~(XFS_ALL_QUOTA_ACCT); |
321 | ||
1da177e4 | 322 | if (flags == 0) { |
08e96e1a | 323 | xfs_debug(mp, "%s: zero flags, m_qflags=%x", |
8221112b | 324 | __func__, mp->m_qflags); |
2451337d | 325 | return -EINVAL; |
1da177e4 LT |
326 | } |
327 | ||
1da177e4 LT |
328 | /* |
329 | * Can't enforce without accounting. We check the superblock | |
330 | * qflags here instead of m_qflags because rootfs can have | |
331 | * quota acct on ondisk without m_qflags' knowing. | |
332 | */ | |
fbf64b3d | 333 | if (((mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) == 0 && |
83e782e1 | 334 | (flags & XFS_UQUOTA_ENFD)) || |
fbf64b3d | 335 | ((mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) == 0 && |
83e782e1 | 336 | (flags & XFS_GQUOTA_ENFD)) || |
fbf64b3d | 337 | ((mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) == 0 && |
83e782e1 | 338 | (flags & XFS_PQUOTA_ENFD))) { |
8221112b | 339 | xfs_debug(mp, |
08e96e1a | 340 | "%s: Can't enforce without acct, flags=%x sbflags=%x", |
8221112b | 341 | __func__, flags, mp->m_sb.sb_qflags); |
2451337d | 342 | return -EINVAL; |
1da177e4 LT |
343 | } |
344 | /* | |
25985edc | 345 | * If everything's up to-date incore, then don't waste time. |
1da177e4 LT |
346 | */ |
347 | if ((mp->m_qflags & flags) == flags) | |
2451337d | 348 | return -EEXIST; |
1da177e4 LT |
349 | |
350 | /* | |
351 | * Change sb_qflags on disk but not incore mp->qflags | |
352 | * if this is the root filesystem. | |
353 | */ | |
3685c2a1 | 354 | spin_lock(&mp->m_sb_lock); |
1da177e4 LT |
355 | qf = mp->m_sb.sb_qflags; |
356 | mp->m_sb.sb_qflags = qf | flags; | |
3685c2a1 | 357 | spin_unlock(&mp->m_sb_lock); |
1da177e4 LT |
358 | |
359 | /* | |
360 | * There's nothing to change if it's the same. | |
361 | */ | |
4d11a402 | 362 | if ((qf & flags) == flags) |
2451337d | 363 | return -EEXIST; |
1da177e4 | 364 | |
61e63ecb DC |
365 | error = xfs_sync_sb(mp, false); |
366 | if (error) | |
d99831ff | 367 | return error; |
1da177e4 LT |
368 | /* |
369 | * If we aren't trying to switch on quota enforcement, we are done. | |
370 | */ | |
371 | if (((mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) != | |
372 | (mp->m_qflags & XFS_UQUOTA_ACCT)) || | |
c8ad20ff NS |
373 | ((mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) != |
374 | (mp->m_qflags & XFS_PQUOTA_ACCT)) || | |
375 | ((mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) != | |
fbf64b3d | 376 | (mp->m_qflags & XFS_GQUOTA_ACCT))) |
d99831ff | 377 | return 0; |
1da177e4 LT |
378 | |
379 | if (! XFS_IS_QUOTA_RUNNING(mp)) | |
2451337d | 380 | return -ESRCH; |
1da177e4 LT |
381 | |
382 | /* | |
383 | * Switch on quota enforcement in core. | |
384 | */ | |
8a7b8a89 | 385 | mutex_lock(&mp->m_quotainfo->qi_quotaofflock); |
1da177e4 | 386 | mp->m_qflags |= (flags & XFS_ALL_QUOTA_ENFD); |
8a7b8a89 | 387 | mutex_unlock(&mp->m_quotainfo->qi_quotaofflock); |
1da177e4 | 388 | |
d99831ff | 389 | return 0; |
1da177e4 LT |
390 | } |
391 | ||
392 | ||
1da177e4 LT |
393 | /* |
394 | * Return quota status information, such as uquota-off, enforcements, etc. | |
5d5e3d57 | 395 | * for Q_XGETQSTAT command. |
1da177e4 | 396 | */ |
fcafb71b | 397 | int |
1da177e4 | 398 | xfs_qm_scall_getqstat( |
8a7b8a89 CH |
399 | struct xfs_mount *mp, |
400 | struct fs_quota_stat *out) | |
1da177e4 | 401 | { |
8a7b8a89 | 402 | struct xfs_quotainfo *q = mp->m_quotainfo; |
113a5683 CS |
403 | struct xfs_inode *uip = NULL; |
404 | struct xfs_inode *gip = NULL; | |
d892d586 | 405 | struct xfs_inode *pip = NULL; |
113a5683 CS |
406 | bool tempuqip = false; |
407 | bool tempgqip = false; | |
d892d586 | 408 | bool temppqip = false; |
1da177e4 | 409 | |
1da177e4 LT |
410 | memset(out, 0, sizeof(fs_quota_stat_t)); |
411 | ||
412 | out->qs_version = FS_QSTAT_VERSION; | |
1da177e4 LT |
413 | out->qs_flags = (__uint16_t) xfs_qm_export_flags(mp->m_qflags & |
414 | (XFS_ALL_QUOTA_ACCT| | |
415 | XFS_ALL_QUOTA_ENFD)); | |
a3942700 JK |
416 | uip = q->qi_uquotaip; |
417 | gip = q->qi_gquotaip; | |
418 | pip = q->qi_pquotaip; | |
1da177e4 LT |
419 | if (!uip && mp->m_sb.sb_uquotino != NULLFSINO) { |
420 | if (xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, | |
7b6259e7 | 421 | 0, 0, &uip) == 0) |
667a9291 | 422 | tempuqip = true; |
1da177e4 LT |
423 | } |
424 | if (!gip && mp->m_sb.sb_gquotino != NULLFSINO) { | |
425 | if (xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, | |
7b6259e7 | 426 | 0, 0, &gip) == 0) |
667a9291 | 427 | tempgqip = true; |
1da177e4 | 428 | } |
d892d586 CS |
429 | /* |
430 | * Q_XGETQSTAT doesn't have room for both group and project quotas. | |
431 | * So, allow the project quota values to be copied out only if | |
432 | * there is no group quota information available. | |
433 | */ | |
434 | if (!gip) { | |
435 | if (!pip && mp->m_sb.sb_pquotino != NULLFSINO) { | |
436 | if (xfs_iget(mp, NULL, mp->m_sb.sb_pquotino, | |
437 | 0, 0, &pip) == 0) | |
438 | temppqip = true; | |
439 | } | |
440 | } else | |
441 | pip = NULL; | |
1da177e4 | 442 | if (uip) { |
d892d586 | 443 | out->qs_uquota.qfs_ino = mp->m_sb.sb_uquotino; |
1da177e4 LT |
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 | 448 | } |
d892d586 | 449 | |
1da177e4 | 450 | if (gip) { |
d892d586 | 451 | out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino; |
1da177e4 LT |
452 | out->qs_gquota.qfs_nblks = gip->i_d.di_nblocks; |
453 | out->qs_gquota.qfs_nextents = gip->i_d.di_nextents; | |
454 | if (tempgqip) | |
43355099 | 455 | IRELE(gip); |
1da177e4 | 456 | } |
d892d586 CS |
457 | if (pip) { |
458 | out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino; | |
459 | out->qs_gquota.qfs_nblks = pip->i_d.di_nblocks; | |
460 | out->qs_gquota.qfs_nextents = pip->i_d.di_nextents; | |
461 | if (temppqip) | |
5d5e3d57 CS |
462 | IRELE(pip); |
463 | } | |
a3942700 JK |
464 | out->qs_incoredqs = q->qi_dquots; |
465 | out->qs_btimelimit = q->qi_btimelimit; | |
466 | out->qs_itimelimit = q->qi_itimelimit; | |
467 | out->qs_rtbtimelimit = q->qi_rtbtimelimit; | |
468 | out->qs_bwarnlimit = q->qi_bwarnlimit; | |
469 | out->qs_iwarnlimit = q->qi_iwarnlimit; | |
470 | ||
5d5e3d57 CS |
471 | return 0; |
472 | } | |
473 | ||
474 | /* | |
475 | * Return quota status information, such as uquota-off, enforcements, etc. | |
476 | * for Q_XGETQSTATV command, to support separate project quota field. | |
477 | */ | |
478 | int | |
479 | xfs_qm_scall_getqstatv( | |
480 | struct xfs_mount *mp, | |
481 | struct fs_quota_statv *out) | |
482 | { | |
483 | struct xfs_quotainfo *q = mp->m_quotainfo; | |
484 | struct xfs_inode *uip = NULL; | |
485 | struct xfs_inode *gip = NULL; | |
486 | struct xfs_inode *pip = NULL; | |
487 | bool tempuqip = false; | |
488 | bool tempgqip = false; | |
489 | bool temppqip = false; | |
490 | ||
5d5e3d57 CS |
491 | out->qs_flags = (__uint16_t) xfs_qm_export_flags(mp->m_qflags & |
492 | (XFS_ALL_QUOTA_ACCT| | |
493 | XFS_ALL_QUOTA_ENFD)); | |
494 | out->qs_uquota.qfs_ino = mp->m_sb.sb_uquotino; | |
495 | out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino; | |
496 | out->qs_pquota.qfs_ino = mp->m_sb.sb_pquotino; | |
497 | ||
a3942700 JK |
498 | uip = q->qi_uquotaip; |
499 | gip = q->qi_gquotaip; | |
500 | pip = q->qi_pquotaip; | |
5d5e3d57 CS |
501 | if (!uip && mp->m_sb.sb_uquotino != NULLFSINO) { |
502 | if (xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, | |
503 | 0, 0, &uip) == 0) | |
504 | tempuqip = true; | |
505 | } | |
506 | if (!gip && mp->m_sb.sb_gquotino != NULLFSINO) { | |
507 | if (xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, | |
508 | 0, 0, &gip) == 0) | |
509 | tempgqip = true; | |
510 | } | |
511 | if (!pip && mp->m_sb.sb_pquotino != NULLFSINO) { | |
512 | if (xfs_iget(mp, NULL, mp->m_sb.sb_pquotino, | |
513 | 0, 0, &pip) == 0) | |
514 | temppqip = true; | |
515 | } | |
516 | if (uip) { | |
517 | out->qs_uquota.qfs_nblks = uip->i_d.di_nblocks; | |
518 | out->qs_uquota.qfs_nextents = uip->i_d.di_nextents; | |
519 | if (tempuqip) | |
520 | IRELE(uip); | |
521 | } | |
522 | ||
523 | if (gip) { | |
524 | out->qs_gquota.qfs_nblks = gip->i_d.di_nblocks; | |
525 | out->qs_gquota.qfs_nextents = gip->i_d.di_nextents; | |
526 | if (tempgqip) | |
527 | IRELE(gip); | |
528 | } | |
529 | if (pip) { | |
530 | out->qs_pquota.qfs_nblks = pip->i_d.di_nblocks; | |
531 | out->qs_pquota.qfs_nextents = pip->i_d.di_nextents; | |
532 | if (temppqip) | |
d892d586 CS |
533 | IRELE(pip); |
534 | } | |
a3942700 JK |
535 | out->qs_incoredqs = q->qi_dquots; |
536 | out->qs_btimelimit = q->qi_btimelimit; | |
537 | out->qs_itimelimit = q->qi_itimelimit; | |
538 | out->qs_rtbtimelimit = q->qi_rtbtimelimit; | |
539 | out->qs_bwarnlimit = q->qi_bwarnlimit; | |
540 | out->qs_iwarnlimit = q->qi_iwarnlimit; | |
541 | ||
8a7b8a89 | 542 | return 0; |
1da177e4 LT |
543 | } |
544 | ||
14bf61ff JK |
545 | #define XFS_QC_MASK \ |
546 | (QC_LIMIT_MASK | QC_TIMER_MASK | QC_WARNS_MASK) | |
c472b432 | 547 | |
1da177e4 LT |
548 | /* |
549 | * Adjust quota limits, and start/stop timers accordingly. | |
550 | */ | |
fcafb71b | 551 | int |
1da177e4 | 552 | xfs_qm_scall_setqlim( |
b1366451 | 553 | struct xfs_mount *mp, |
1da177e4 LT |
554 | xfs_dqid_t id, |
555 | uint type, | |
14bf61ff | 556 | struct qc_dqblk *newlim) |
1da177e4 | 557 | { |
8a7b8a89 | 558 | struct xfs_quotainfo *q = mp->m_quotainfo; |
b1366451 BF |
559 | struct xfs_disk_dquot *ddq; |
560 | struct xfs_dquot *dqp; | |
561 | struct xfs_trans *tp; | |
1da177e4 LT |
562 | int error; |
563 | xfs_qcnt_t hard, soft; | |
564 | ||
14bf61ff | 565 | if (newlim->d_fieldmask & ~XFS_QC_MASK) |
2451337d | 566 | return -EINVAL; |
14bf61ff | 567 | if ((newlim->d_fieldmask & XFS_QC_MASK) == 0) |
c472b432 | 568 | return 0; |
1da177e4 | 569 | |
1da177e4 LT |
570 | /* |
571 | * We don't want to race with a quotaoff so take the quotaoff lock. | |
f648167f DC |
572 | * We don't hold an inode lock, so there's nothing else to stop |
573 | * a quotaoff from happening. | |
1da177e4 | 574 | */ |
8a7b8a89 | 575 | mutex_lock(&q->qi_quotaofflock); |
1da177e4 LT |
576 | |
577 | /* | |
f648167f DC |
578 | * Get the dquot (locked) before we start, as we need to do a |
579 | * transaction to allocate it if it doesn't exist. Once we have the | |
580 | * dquot, unlock it so we can start the next transaction safely. We hold | |
581 | * a reference to the dquot, so it's safe to do this unlock/lock without | |
582 | * it being reclaimed in the mean time. | |
1da177e4 | 583 | */ |
f648167f DC |
584 | error = xfs_qm_dqget(mp, NULL, id, type, XFS_QMOPT_DQALLOC, &dqp); |
585 | if (error) { | |
2451337d | 586 | ASSERT(error != -ENOENT); |
8a7b8a89 | 587 | goto out_unlock; |
1da177e4 | 588 | } |
f648167f DC |
589 | xfs_dqunlock(dqp); |
590 | ||
591 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SETQLIM); | |
3d3c8b52 | 592 | error = xfs_trans_reserve(tp, &M_RES(mp)->tr_qm_setqlim, 0, 0); |
f648167f DC |
593 | if (error) { |
594 | xfs_trans_cancel(tp, 0); | |
595 | goto out_rele; | |
596 | } | |
597 | ||
598 | xfs_dqlock(dqp); | |
1da177e4 LT |
599 | xfs_trans_dqjoin(tp, dqp); |
600 | ddq = &dqp->q_core; | |
601 | ||
602 | /* | |
603 | * Make sure that hardlimits are >= soft limits before changing. | |
604 | */ | |
14bf61ff JK |
605 | hard = (newlim->d_fieldmask & QC_SPC_HARD) ? |
606 | (xfs_qcnt_t) XFS_B_TO_FSB(mp, newlim->d_spc_hardlimit) : | |
1149d96a | 607 | be64_to_cpu(ddq->d_blk_hardlimit); |
14bf61ff JK |
608 | soft = (newlim->d_fieldmask & QC_SPC_SOFT) ? |
609 | (xfs_qcnt_t) XFS_B_TO_FSB(mp, newlim->d_spc_softlimit) : | |
1149d96a | 610 | be64_to_cpu(ddq->d_blk_softlimit); |
1da177e4 | 611 | if (hard == 0 || hard >= soft) { |
1149d96a CH |
612 | ddq->d_blk_hardlimit = cpu_to_be64(hard); |
613 | ddq->d_blk_softlimit = cpu_to_be64(soft); | |
b1366451 | 614 | xfs_dquot_set_prealloc_limits(dqp); |
1da177e4 | 615 | if (id == 0) { |
8a7b8a89 CH |
616 | q->qi_bhardlimit = hard; |
617 | q->qi_bsoftlimit = soft; | |
1da177e4 LT |
618 | } |
619 | } else { | |
08e96e1a | 620 | xfs_debug(mp, "blkhard %Ld < blksoft %Ld", hard, soft); |
1da177e4 | 621 | } |
14bf61ff JK |
622 | hard = (newlim->d_fieldmask & QC_RT_SPC_HARD) ? |
623 | (xfs_qcnt_t) XFS_B_TO_FSB(mp, newlim->d_rt_spc_hardlimit) : | |
1149d96a | 624 | be64_to_cpu(ddq->d_rtb_hardlimit); |
14bf61ff JK |
625 | soft = (newlim->d_fieldmask & QC_RT_SPC_SOFT) ? |
626 | (xfs_qcnt_t) XFS_B_TO_FSB(mp, newlim->d_rt_spc_softlimit) : | |
1149d96a | 627 | be64_to_cpu(ddq->d_rtb_softlimit); |
1da177e4 | 628 | if (hard == 0 || hard >= soft) { |
1149d96a CH |
629 | ddq->d_rtb_hardlimit = cpu_to_be64(hard); |
630 | ddq->d_rtb_softlimit = cpu_to_be64(soft); | |
1da177e4 | 631 | if (id == 0) { |
8a7b8a89 CH |
632 | q->qi_rtbhardlimit = hard; |
633 | q->qi_rtbsoftlimit = soft; | |
1da177e4 LT |
634 | } |
635 | } else { | |
08e96e1a | 636 | xfs_debug(mp, "rtbhard %Ld < rtbsoft %Ld", hard, soft); |
1da177e4 LT |
637 | } |
638 | ||
14bf61ff | 639 | hard = (newlim->d_fieldmask & QC_INO_HARD) ? |
1da177e4 | 640 | (xfs_qcnt_t) newlim->d_ino_hardlimit : |
1149d96a | 641 | be64_to_cpu(ddq->d_ino_hardlimit); |
14bf61ff | 642 | soft = (newlim->d_fieldmask & QC_INO_SOFT) ? |
1da177e4 | 643 | (xfs_qcnt_t) newlim->d_ino_softlimit : |
1149d96a | 644 | be64_to_cpu(ddq->d_ino_softlimit); |
1da177e4 | 645 | if (hard == 0 || hard >= soft) { |
1149d96a CH |
646 | ddq->d_ino_hardlimit = cpu_to_be64(hard); |
647 | ddq->d_ino_softlimit = cpu_to_be64(soft); | |
1da177e4 | 648 | if (id == 0) { |
8a7b8a89 CH |
649 | q->qi_ihardlimit = hard; |
650 | q->qi_isoftlimit = soft; | |
1da177e4 LT |
651 | } |
652 | } else { | |
08e96e1a | 653 | xfs_debug(mp, "ihard %Ld < isoft %Ld", hard, soft); |
1da177e4 LT |
654 | } |
655 | ||
754002b4 NS |
656 | /* |
657 | * Update warnings counter(s) if requested | |
658 | */ | |
14bf61ff JK |
659 | if (newlim->d_fieldmask & QC_SPC_WARNS) |
660 | ddq->d_bwarns = cpu_to_be16(newlim->d_spc_warns); | |
661 | if (newlim->d_fieldmask & QC_INO_WARNS) | |
662 | ddq->d_iwarns = cpu_to_be16(newlim->d_ino_warns); | |
663 | if (newlim->d_fieldmask & QC_RT_SPC_WARNS) | |
664 | ddq->d_rtbwarns = cpu_to_be16(newlim->d_rt_spc_warns); | |
754002b4 | 665 | |
1da177e4 LT |
666 | if (id == 0) { |
667 | /* | |
668 | * Timelimits for the super user set the relative time | |
669 | * the other users can be over quota for this file system. | |
670 | * If it is zero a default is used. Ditto for the default | |
754002b4 NS |
671 | * soft and hard limit values (already done, above), and |
672 | * for warnings. | |
1da177e4 | 673 | */ |
14bf61ff JK |
674 | if (newlim->d_fieldmask & QC_SPC_TIMER) { |
675 | q->qi_btimelimit = newlim->d_spc_timer; | |
676 | ddq->d_btimer = cpu_to_be32(newlim->d_spc_timer); | |
1da177e4 | 677 | } |
14bf61ff JK |
678 | if (newlim->d_fieldmask & QC_INO_TIMER) { |
679 | q->qi_itimelimit = newlim->d_ino_timer; | |
680 | ddq->d_itimer = cpu_to_be32(newlim->d_ino_timer); | |
1da177e4 | 681 | } |
14bf61ff JK |
682 | if (newlim->d_fieldmask & QC_RT_SPC_TIMER) { |
683 | q->qi_rtbtimelimit = newlim->d_rt_spc_timer; | |
684 | ddq->d_rtbtimer = cpu_to_be32(newlim->d_rt_spc_timer); | |
1da177e4 | 685 | } |
14bf61ff JK |
686 | if (newlim->d_fieldmask & QC_SPC_WARNS) |
687 | q->qi_bwarnlimit = newlim->d_spc_warns; | |
688 | if (newlim->d_fieldmask & QC_INO_WARNS) | |
689 | q->qi_iwarnlimit = newlim->d_ino_warns; | |
690 | if (newlim->d_fieldmask & QC_RT_SPC_WARNS) | |
691 | q->qi_rtbwarnlimit = newlim->d_rt_spc_warns; | |
754002b4 | 692 | } else { |
1da177e4 LT |
693 | /* |
694 | * If the user is now over quota, start the timelimit. | |
695 | * The user will not be 'warned'. | |
696 | * Note that we keep the timers ticking, whether enforcement | |
697 | * is on or off. We don't really want to bother with iterating | |
698 | * over all ondisk dquots and turning the timers on/off. | |
699 | */ | |
700 | xfs_qm_adjust_dqtimers(mp, ddq); | |
701 | } | |
702 | dqp->dq_flags |= XFS_DQ_DIRTY; | |
703 | xfs_trans_log_dquot(tp, dqp); | |
704 | ||
e5720eec | 705 | error = xfs_trans_commit(tp, 0); |
1da177e4 | 706 | |
f648167f DC |
707 | out_rele: |
708 | xfs_qm_dqrele(dqp); | |
709 | out_unlock: | |
8a7b8a89 | 710 | mutex_unlock(&q->qi_quotaofflock); |
e5720eec | 711 | return error; |
1da177e4 LT |
712 | } |
713 | ||
1da177e4 LT |
714 | STATIC int |
715 | xfs_qm_log_quotaoff_end( | |
716 | xfs_mount_t *mp, | |
717 | xfs_qoff_logitem_t *startqoff, | |
718 | uint flags) | |
719 | { | |
c8ad20ff | 720 | xfs_trans_t *tp; |
1da177e4 | 721 | int error; |
c8ad20ff | 722 | xfs_qoff_logitem_t *qoffi; |
1da177e4 LT |
723 | |
724 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF_END); | |
725 | ||
3d3c8b52 | 726 | error = xfs_trans_reserve(tp, &M_RES(mp)->tr_qm_equotaoff, 0, 0); |
762d7ba6 | 727 | if (error) { |
1da177e4 | 728 | xfs_trans_cancel(tp, 0); |
d99831ff | 729 | return error; |
1da177e4 LT |
730 | } |
731 | ||
732 | qoffi = xfs_trans_get_qoff_item(tp, startqoff, | |
733 | flags & XFS_ALL_QUOTA_ACCT); | |
734 | xfs_trans_log_quotaoff_item(tp, qoffi); | |
735 | ||
736 | /* | |
737 | * We have to make sure that the transaction is secure on disk before we | |
738 | * return and actually stop quota accounting. So, make it synchronous. | |
739 | * We don't care about quotoff's performance. | |
740 | */ | |
741 | xfs_trans_set_sync(tp); | |
1c72bf90 | 742 | error = xfs_trans_commit(tp, 0); |
d99831ff | 743 | return error; |
1da177e4 LT |
744 | } |
745 | ||
746 | ||
747 | STATIC int | |
748 | xfs_qm_log_quotaoff( | |
749 | xfs_mount_t *mp, | |
750 | xfs_qoff_logitem_t **qoffstartp, | |
751 | uint flags) | |
752 | { | |
753 | xfs_trans_t *tp; | |
754 | int error; | |
5d45ee1b BF |
755 | xfs_qoff_logitem_t *qoffi; |
756 | ||
757 | *qoffstartp = NULL; | |
1da177e4 LT |
758 | |
759 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF); | |
3d3c8b52 | 760 | error = xfs_trans_reserve(tp, &M_RES(mp)->tr_qm_quotaoff, 0, 0); |
5d45ee1b BF |
761 | if (error) { |
762 | xfs_trans_cancel(tp, 0); | |
763 | goto out; | |
764 | } | |
1da177e4 LT |
765 | |
766 | qoffi = xfs_trans_get_qoff_item(tp, NULL, flags & XFS_ALL_QUOTA_ACCT); | |
767 | xfs_trans_log_quotaoff_item(tp, qoffi); | |
768 | ||
3685c2a1 | 769 | spin_lock(&mp->m_sb_lock); |
1da177e4 | 770 | mp->m_sb.sb_qflags = (mp->m_qflags & ~(flags)) & XFS_MOUNT_QUOTA_ALL; |
3685c2a1 | 771 | spin_unlock(&mp->m_sb_lock); |
1da177e4 | 772 | |
61e63ecb | 773 | xfs_log_sb(tp); |
1da177e4 LT |
774 | |
775 | /* | |
776 | * We have to make sure that the transaction is secure on disk before we | |
777 | * return and actually stop quota accounting. So, make it synchronous. | |
778 | * We don't care about quotoff's performance. | |
779 | */ | |
780 | xfs_trans_set_sync(tp); | |
1c72bf90 | 781 | error = xfs_trans_commit(tp, 0); |
5d45ee1b BF |
782 | if (error) |
783 | goto out; | |
1da177e4 | 784 | |
1da177e4 | 785 | *qoffstartp = qoffi; |
5d45ee1b | 786 | out: |
d99831ff | 787 | return error; |
1da177e4 LT |
788 | } |
789 | ||
790 | ||
18535a7e CH |
791 | int |
792 | xfs_qm_scall_getquota( | |
793 | struct xfs_mount *mp, | |
794 | xfs_dqid_t id, | |
795 | uint type, | |
14bf61ff | 796 | struct qc_dqblk *dst) |
1da177e4 | 797 | { |
18535a7e CH |
798 | struct xfs_dquot *dqp; |
799 | int error; | |
800 | ||
801 | /* | |
802 | * Try to get the dquot. We don't want it allocated on disk, so | |
803 | * we aren't passing the XFS_QMOPT_DOALLOC flag. If it doesn't | |
804 | * exist, we'll get ENOENT back. | |
805 | */ | |
806 | error = xfs_qm_dqget(mp, NULL, id, type, 0, &dqp); | |
807 | if (error) | |
808 | return error; | |
809 | ||
810 | /* | |
811 | * If everything's NULL, this dquot doesn't quite exist as far as | |
812 | * our utility programs are concerned. | |
813 | */ | |
814 | if (XFS_IS_DQUOT_UNINITIALIZED(dqp)) { | |
2451337d | 815 | error = -ENOENT; |
18535a7e CH |
816 | goto out_put; |
817 | } | |
818 | ||
1da177e4 | 819 | memset(dst, 0, sizeof(*dst)); |
14bf61ff JK |
820 | dst->d_spc_hardlimit = |
821 | XFS_FSB_TO_B(mp, be64_to_cpu(dqp->q_core.d_blk_hardlimit)); | |
822 | dst->d_spc_softlimit = | |
823 | XFS_FSB_TO_B(mp, be64_to_cpu(dqp->q_core.d_blk_softlimit)); | |
18535a7e CH |
824 | dst->d_ino_hardlimit = be64_to_cpu(dqp->q_core.d_ino_hardlimit); |
825 | dst->d_ino_softlimit = be64_to_cpu(dqp->q_core.d_ino_softlimit); | |
14bf61ff JK |
826 | dst->d_space = XFS_FSB_TO_B(mp, dqp->q_res_bcount); |
827 | dst->d_ino_count = dqp->q_res_icount; | |
828 | dst->d_spc_timer = be32_to_cpu(dqp->q_core.d_btimer); | |
829 | dst->d_ino_timer = be32_to_cpu(dqp->q_core.d_itimer); | |
830 | dst->d_ino_warns = be16_to_cpu(dqp->q_core.d_iwarns); | |
831 | dst->d_spc_warns = be16_to_cpu(dqp->q_core.d_bwarns); | |
832 | dst->d_rt_spc_hardlimit = | |
833 | XFS_FSB_TO_B(mp, be64_to_cpu(dqp->q_core.d_rtb_hardlimit)); | |
834 | dst->d_rt_spc_softlimit = | |
835 | XFS_FSB_TO_B(mp, be64_to_cpu(dqp->q_core.d_rtb_softlimit)); | |
836 | dst->d_rt_space = XFS_FSB_TO_B(mp, dqp->q_res_rtbcount); | |
837 | dst->d_rt_spc_timer = be32_to_cpu(dqp->q_core.d_rtbtimer); | |
838 | dst->d_rt_spc_warns = be16_to_cpu(dqp->q_core.d_rtbwarns); | |
1da177e4 LT |
839 | |
840 | /* | |
841 | * Internally, we don't reset all the timers when quota enforcement | |
c41564b5 | 842 | * gets turned off. No need to confuse the user level code, |
1da177e4 LT |
843 | * so return zeroes in that case. |
844 | */ | |
83e782e1 CS |
845 | if ((!XFS_IS_UQUOTA_ENFORCED(mp) && |
846 | dqp->q_core.d_flags == XFS_DQ_USER) || | |
847 | (!XFS_IS_GQUOTA_ENFORCED(mp) && | |
848 | dqp->q_core.d_flags == XFS_DQ_GROUP) || | |
849 | (!XFS_IS_PQUOTA_ENFORCED(mp) && | |
850 | dqp->q_core.d_flags == XFS_DQ_PROJ)) { | |
14bf61ff JK |
851 | dst->d_spc_timer = 0; |
852 | dst->d_ino_timer = 0; | |
853 | dst->d_rt_spc_timer = 0; | |
1da177e4 LT |
854 | } |
855 | ||
856 | #ifdef DEBUG | |
14bf61ff JK |
857 | if (((XFS_IS_UQUOTA_ENFORCED(mp) && type == XFS_DQ_USER) || |
858 | (XFS_IS_GQUOTA_ENFORCED(mp) && type == XFS_DQ_GROUP) || | |
859 | (XFS_IS_PQUOTA_ENFORCED(mp) && type == XFS_DQ_PROJ)) && | |
860 | id != 0) { | |
861 | if ((dst->d_space > dst->d_spc_softlimit) && | |
862 | (dst->d_spc_softlimit > 0)) { | |
863 | ASSERT(dst->d_spc_timer != 0); | |
1da177e4 | 864 | } |
14bf61ff | 865 | if ((dst->d_ino_count > dst->d_ino_softlimit) && |
1da177e4 | 866 | (dst->d_ino_softlimit > 0)) { |
14bf61ff | 867 | ASSERT(dst->d_ino_timer != 0); |
1da177e4 LT |
868 | } |
869 | } | |
870 | #endif | |
18535a7e CH |
871 | out_put: |
872 | xfs_qm_dqput(dqp); | |
873 | return error; | |
1da177e4 LT |
874 | } |
875 | ||
1da177e4 LT |
876 | STATIC uint |
877 | xfs_qm_export_flags( | |
878 | uint flags) | |
879 | { | |
880 | uint uflags; | |
881 | ||
882 | uflags = 0; | |
883 | if (flags & XFS_UQUOTA_ACCT) | |
ade7ce31 | 884 | uflags |= FS_QUOTA_UDQ_ACCT; |
1da177e4 | 885 | if (flags & XFS_GQUOTA_ACCT) |
ade7ce31 | 886 | uflags |= FS_QUOTA_GDQ_ACCT; |
83e782e1 CS |
887 | if (flags & XFS_PQUOTA_ACCT) |
888 | uflags |= FS_QUOTA_PDQ_ACCT; | |
1da177e4 | 889 | if (flags & XFS_UQUOTA_ENFD) |
ade7ce31 | 890 | uflags |= FS_QUOTA_UDQ_ENFD; |
83e782e1 CS |
891 | if (flags & XFS_GQUOTA_ENFD) |
892 | uflags |= FS_QUOTA_GDQ_ENFD; | |
893 | if (flags & XFS_PQUOTA_ENFD) | |
894 | uflags |= FS_QUOTA_PDQ_ENFD; | |
d99831ff | 895 | return uflags; |
1da177e4 LT |
896 | } |
897 | ||
898 | ||
fe588ed3 CH |
899 | STATIC int |
900 | xfs_dqrele_inode( | |
901 | struct xfs_inode *ip, | |
a454f742 BF |
902 | int flags, |
903 | void *args) | |
1da177e4 | 904 | { |
fe588ed3 | 905 | /* skip quota inodes */ |
8a7b8a89 | 906 | if (ip == ip->i_mount->m_quotainfo->qi_uquotaip || |
92f8ff73 CS |
907 | ip == ip->i_mount->m_quotainfo->qi_gquotaip || |
908 | ip == ip->i_mount->m_quotainfo->qi_pquotaip) { | |
fe588ed3 CH |
909 | ASSERT(ip->i_udquot == NULL); |
910 | ASSERT(ip->i_gdquot == NULL); | |
92f8ff73 | 911 | ASSERT(ip->i_pdquot == NULL); |
fe588ed3 CH |
912 | return 0; |
913 | } | |
cb4f0d1d | 914 | |
fe588ed3 CH |
915 | xfs_ilock(ip, XFS_ILOCK_EXCL); |
916 | if ((flags & XFS_UQUOTA_ACCT) && ip->i_udquot) { | |
917 | xfs_qm_dqrele(ip->i_udquot); | |
918 | ip->i_udquot = NULL; | |
919 | } | |
92f8ff73 | 920 | if ((flags & XFS_GQUOTA_ACCT) && ip->i_gdquot) { |
fe588ed3 CH |
921 | xfs_qm_dqrele(ip->i_gdquot); |
922 | ip->i_gdquot = NULL; | |
923 | } | |
92f8ff73 CS |
924 | if ((flags & XFS_PQUOTA_ACCT) && ip->i_pdquot) { |
925 | xfs_qm_dqrele(ip->i_pdquot); | |
926 | ip->i_pdquot = NULL; | |
927 | } | |
f2d67614 | 928 | xfs_iunlock(ip, XFS_ILOCK_EXCL); |
fe588ed3 | 929 | return 0; |
5b4d89ae DC |
930 | } |
931 | ||
fe588ed3 | 932 | |
5b4d89ae DC |
933 | /* |
934 | * Go thru all the inodes in the file system, releasing their dquots. | |
fe588ed3 | 935 | * |
5b4d89ae | 936 | * Note that the mount structure gets modified to indicate that quotas are off |
fe588ed3 | 937 | * AFTER this, in the case of quotaoff. |
5b4d89ae DC |
938 | */ |
939 | void | |
940 | xfs_qm_dqrele_all_inodes( | |
941 | struct xfs_mount *mp, | |
942 | uint flags) | |
943 | { | |
5b4d89ae | 944 | ASSERT(mp->m_quotainfo); |
a454f742 | 945 | xfs_inode_ag_iterator(mp, xfs_dqrele_inode, flags, NULL); |
1da177e4 | 946 | } |