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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" |
a844f451 | 29 | #include "xfs_ag.h" |
1da177e4 | 30 | #include "xfs_mount.h" |
1da177e4 | 31 | #include "xfs_inode.h" |
239880ef | 32 | #include "xfs_trans.h" |
1da177e4 | 33 | #include "xfs_error.h" |
a4fbe6ab | 34 | #include "xfs_quota.h" |
1da177e4 | 35 | #include "xfs_qm.h" |
0b1b213f | 36 | #include "xfs_trace.h" |
6d8b79cf | 37 | #include "xfs_icache.h" |
1da177e4 | 38 | |
1da177e4 LT |
39 | STATIC int xfs_qm_log_quotaoff(xfs_mount_t *, xfs_qoff_logitem_t **, uint); |
40 | STATIC int xfs_qm_log_quotaoff_end(xfs_mount_t *, xfs_qoff_logitem_t *, | |
41 | uint); | |
1da177e4 | 42 | STATIC uint xfs_qm_export_flags(uint); |
1da177e4 | 43 | STATIC uint xfs_qm_export_qtype_flags(uint); |
1da177e4 | 44 | |
1da177e4 LT |
45 | /* |
46 | * Turn off quota accounting and/or enforcement for all udquots and/or | |
47 | * gdquots. Called only at unmount time. | |
48 | * | |
49 | * This assumes that there are no dquots of this file system cached | |
50 | * incore, and modifies the ondisk dquot directly. Therefore, for example, | |
51 | * it is an error to call this twice, without purging the cache. | |
52 | */ | |
fcafb71b | 53 | int |
1da177e4 LT |
54 | xfs_qm_scall_quotaoff( |
55 | xfs_mount_t *mp, | |
fcafb71b | 56 | uint flags) |
1da177e4 | 57 | { |
8a7b8a89 | 58 | struct xfs_quotainfo *q = mp->m_quotainfo; |
1da177e4 | 59 | uint dqtype; |
1da177e4 LT |
60 | int error; |
61 | uint inactivate_flags; | |
62 | xfs_qoff_logitem_t *qoffstart; | |
1da177e4 | 63 | |
1da177e4 LT |
64 | /* |
65 | * No file system can have quotas enabled on disk but not in core. | |
66 | * Note that quota utilities (like quotaoff) _expect_ | |
67 | * errno == EEXIST here. | |
68 | */ | |
69 | if ((mp->m_qflags & flags) == 0) | |
70 | return XFS_ERROR(EEXIST); | |
71 | error = 0; | |
72 | ||
73 | flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD); | |
74 | ||
75 | /* | |
76 | * We don't want to deal with two quotaoffs messing up each other, | |
77 | * so we're going to serialize it. quotaoff isn't exactly a performance | |
78 | * critical thing. | |
79 | * If quotaoff, then we must be dealing with the root filesystem. | |
80 | */ | |
8a7b8a89 CH |
81 | ASSERT(q); |
82 | mutex_lock(&q->qi_quotaofflock); | |
1da177e4 LT |
83 | |
84 | /* | |
85 | * If we're just turning off quota enforcement, change mp and go. | |
86 | */ | |
87 | if ((flags & XFS_ALL_QUOTA_ACCT) == 0) { | |
88 | mp->m_qflags &= ~(flags); | |
89 | ||
3685c2a1 | 90 | spin_lock(&mp->m_sb_lock); |
1da177e4 | 91 | mp->m_sb.sb_qflags = mp->m_qflags; |
3685c2a1 | 92 | spin_unlock(&mp->m_sb_lock); |
8a7b8a89 | 93 | mutex_unlock(&q->qi_quotaofflock); |
1da177e4 LT |
94 | |
95 | /* XXX what to do if error ? Revert back to old vals incore ? */ | |
96 | error = xfs_qm_write_sb_changes(mp, XFS_SB_QFLAGS); | |
97 | return (error); | |
98 | } | |
99 | ||
100 | dqtype = 0; | |
101 | inactivate_flags = 0; | |
102 | /* | |
103 | * If accounting is off, we must turn enforcement off, clear the | |
104 | * quota 'CHKD' certificate to make it known that we have to | |
105 | * do a quotacheck the next time this quota is turned on. | |
106 | */ | |
107 | if (flags & XFS_UQUOTA_ACCT) { | |
108 | dqtype |= XFS_QMOPT_UQUOTA; | |
109 | flags |= (XFS_UQUOTA_CHKD | XFS_UQUOTA_ENFD); | |
110 | inactivate_flags |= XFS_UQUOTA_ACTIVE; | |
111 | } | |
112 | if (flags & XFS_GQUOTA_ACCT) { | |
113 | dqtype |= XFS_QMOPT_GQUOTA; | |
83e782e1 | 114 | flags |= (XFS_GQUOTA_CHKD | XFS_GQUOTA_ENFD); |
1da177e4 | 115 | inactivate_flags |= XFS_GQUOTA_ACTIVE; |
92f8ff73 CS |
116 | } |
117 | if (flags & XFS_PQUOTA_ACCT) { | |
c8ad20ff | 118 | dqtype |= XFS_QMOPT_PQUOTA; |
83e782e1 | 119 | flags |= (XFS_PQUOTA_CHKD | XFS_PQUOTA_ENFD); |
c8ad20ff | 120 | inactivate_flags |= XFS_PQUOTA_ACTIVE; |
1da177e4 LT |
121 | } |
122 | ||
123 | /* | |
124 | * Nothing to do? Don't complain. This happens when we're just | |
125 | * turning off quota enforcement. | |
126 | */ | |
8a7b8a89 CH |
127 | if ((mp->m_qflags & flags) == 0) |
128 | goto out_unlock; | |
1da177e4 LT |
129 | |
130 | /* | |
131 | * Write the LI_QUOTAOFF log record, and do SB changes atomically, | |
cb6edc26 DC |
132 | * and synchronously. If we fail to write, we should abort the |
133 | * operation as it cannot be recovered safely if we crash. | |
1da177e4 | 134 | */ |
cb6edc26 DC |
135 | error = xfs_qm_log_quotaoff(mp, &qoffstart, flags); |
136 | if (error) | |
8a7b8a89 | 137 | goto out_unlock; |
1da177e4 LT |
138 | |
139 | /* | |
140 | * Next we clear the XFS_MOUNT_*DQ_ACTIVE bit(s) in the mount struct | |
141 | * to take care of the race between dqget and quotaoff. We don't take | |
142 | * any special locks to reset these bits. All processes need to check | |
143 | * these bits *after* taking inode lock(s) to see if the particular | |
144 | * quota type is in the process of being turned off. If *ACTIVE, it is | |
145 | * guaranteed that all dquot structures and all quotainode ptrs will all | |
146 | * stay valid as long as that inode is kept locked. | |
147 | * | |
148 | * There is no turning back after this. | |
149 | */ | |
150 | mp->m_qflags &= ~inactivate_flags; | |
151 | ||
152 | /* | |
153 | * Give back all the dquot reference(s) held by inodes. | |
154 | * Here we go thru every single incore inode in this file system, and | |
155 | * do a dqrele on the i_udquot/i_gdquot that it may have. | |
156 | * Essentially, as long as somebody has an inode locked, this guarantees | |
157 | * that quotas will not be turned off. This is handy because in a | |
158 | * transaction once we lock the inode(s) and check for quotaon, we can | |
159 | * depend on the quota inodes (and other things) being valid as long as | |
160 | * we keep the lock(s). | |
161 | */ | |
162 | xfs_qm_dqrele_all_inodes(mp, flags); | |
163 | ||
164 | /* | |
165 | * Next we make the changes in the quota flag in the mount struct. | |
166 | * This isn't protected by a particular lock directly, because we | |
25985edc | 167 | * don't want to take a mrlock every time we depend on quotas being on. |
1da177e4 | 168 | */ |
b84a3a96 | 169 | mp->m_qflags &= ~flags; |
1da177e4 LT |
170 | |
171 | /* | |
172 | * Go through all the dquots of this file system and purge them, | |
b84a3a96 | 173 | * according to what was turned off. |
1da177e4 | 174 | */ |
b84a3a96 | 175 | xfs_qm_dqpurge_all(mp, dqtype); |
1da177e4 LT |
176 | |
177 | /* | |
178 | * Transactions that had started before ACTIVE state bit was cleared | |
179 | * could have logged many dquots, so they'd have higher LSNs than | |
180 | * the first QUOTAOFF log record does. If we happen to crash when | |
181 | * the tail of the log has gone past the QUOTAOFF record, but | |
182 | * before the last dquot modification, those dquots __will__ | |
183 | * recover, and that's not good. | |
184 | * | |
185 | * So, we have QUOTAOFF start and end logitems; the start | |
186 | * logitem won't get overwritten until the end logitem appears... | |
187 | */ | |
cb6edc26 DC |
188 | error = xfs_qm_log_quotaoff_end(mp, qoffstart, flags); |
189 | if (error) { | |
190 | /* We're screwed now. Shutdown is the only option. */ | |
191 | xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE); | |
8a7b8a89 | 192 | goto out_unlock; |
cb6edc26 | 193 | } |
1da177e4 LT |
194 | |
195 | /* | |
c31ad439 | 196 | * If all quotas are completely turned off, close shop. |
1da177e4 | 197 | */ |
c31ad439 | 198 | if (mp->m_qflags == 0) { |
8a7b8a89 | 199 | mutex_unlock(&q->qi_quotaofflock); |
1da177e4 LT |
200 | xfs_qm_destroy_quotainfo(mp); |
201 | return (0); | |
202 | } | |
203 | ||
204 | /* | |
8a7b8a89 | 205 | * Release our quotainode references if we don't need them anymore. |
1da177e4 | 206 | */ |
8a7b8a89 CH |
207 | if ((dqtype & XFS_QMOPT_UQUOTA) && q->qi_uquotaip) { |
208 | IRELE(q->qi_uquotaip); | |
209 | q->qi_uquotaip = NULL; | |
1da177e4 | 210 | } |
92f8ff73 | 211 | if ((dqtype & XFS_QMOPT_GQUOTA) && q->qi_gquotaip) { |
8a7b8a89 CH |
212 | IRELE(q->qi_gquotaip); |
213 | q->qi_gquotaip = NULL; | |
1da177e4 | 214 | } |
92f8ff73 CS |
215 | if ((dqtype & XFS_QMOPT_PQUOTA) && q->qi_pquotaip) { |
216 | IRELE(q->qi_pquotaip); | |
217 | q->qi_pquotaip = NULL; | |
218 | } | |
1da177e4 | 219 | |
8a7b8a89 CH |
220 | out_unlock: |
221 | mutex_unlock(&q->qi_quotaofflock); | |
222 | return error; | |
1da177e4 LT |
223 | } |
224 | ||
5d18898b CH |
225 | STATIC int |
226 | xfs_qm_scall_trunc_qfile( | |
227 | struct xfs_mount *mp, | |
228 | xfs_ino_t ino) | |
229 | { | |
230 | struct xfs_inode *ip; | |
231 | struct xfs_trans *tp; | |
232 | int error; | |
233 | ||
234 | if (ino == NULLFSINO) | |
235 | return 0; | |
236 | ||
237 | error = xfs_iget(mp, NULL, ino, 0, 0, &ip); | |
238 | if (error) | |
239 | return error; | |
240 | ||
241 | xfs_ilock(ip, XFS_IOLOCK_EXCL); | |
242 | ||
243 | tp = xfs_trans_alloc(mp, XFS_TRANS_TRUNCATE_FILE); | |
3d3c8b52 | 244 | error = xfs_trans_reserve(tp, &M_RES(mp)->tr_itruncate, 0, 0); |
5d18898b CH |
245 | if (error) { |
246 | xfs_trans_cancel(tp, 0); | |
247 | xfs_iunlock(ip, XFS_IOLOCK_EXCL); | |
248 | goto out_put; | |
249 | } | |
250 | ||
251 | xfs_ilock(ip, XFS_ILOCK_EXCL); | |
ddc3415a | 252 | xfs_trans_ijoin(tp, ip, 0); |
5d18898b | 253 | |
673e8e59 | 254 | ip->i_d.di_size = 0; |
673e8e59 CH |
255 | xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); |
256 | ||
257 | error = xfs_itruncate_extents(&tp, ip, XFS_DATA_FORK, 0); | |
5d18898b CH |
258 | if (error) { |
259 | xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES | | |
260 | XFS_TRANS_ABORT); | |
261 | goto out_unlock; | |
262 | } | |
263 | ||
673e8e59 CH |
264 | ASSERT(ip->i_d.di_nextents == 0); |
265 | ||
dcd79a14 | 266 | xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); |
5d18898b CH |
267 | error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); |
268 | ||
269 | out_unlock: | |
270 | xfs_iunlock(ip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL); | |
271 | out_put: | |
272 | IRELE(ip); | |
273 | return error; | |
274 | } | |
275 | ||
fcafb71b | 276 | int |
1da177e4 LT |
277 | xfs_qm_scall_trunc_qfiles( |
278 | xfs_mount_t *mp, | |
279 | uint flags) | |
280 | { | |
88ab0208 | 281 | int error = 0, error2 = 0; |
1da177e4 | 282 | |
62118709 | 283 | if (!xfs_sb_version_hasquota(&mp->m_sb) || flags == 0) { |
08e96e1a | 284 | xfs_debug(mp, "%s: flags=%x m_qflags=%x", |
8221112b | 285 | __func__, flags, mp->m_qflags); |
1da177e4 LT |
286 | return XFS_ERROR(EINVAL); |
287 | } | |
288 | ||
5d18898b CH |
289 | if (flags & XFS_DQ_USER) |
290 | error = xfs_qm_scall_trunc_qfile(mp, mp->m_sb.sb_uquotino); | |
d892d586 | 291 | if (flags & XFS_DQ_GROUP) |
5d18898b | 292 | error2 = xfs_qm_scall_trunc_qfile(mp, mp->m_sb.sb_gquotino); |
d892d586 CS |
293 | if (flags & XFS_DQ_PROJ) |
294 | error2 = xfs_qm_scall_trunc_qfile(mp, mp->m_sb.sb_pquotino); | |
1da177e4 | 295 | |
88ab0208 | 296 | return error ? error : error2; |
1da177e4 LT |
297 | } |
298 | ||
1da177e4 LT |
299 | /* |
300 | * Switch on (a given) quota enforcement for a filesystem. This takes | |
301 | * effect immediately. | |
302 | * (Switching on quota accounting must be done at mount time.) | |
303 | */ | |
fcafb71b | 304 | int |
1da177e4 LT |
305 | xfs_qm_scall_quotaon( |
306 | xfs_mount_t *mp, | |
307 | uint flags) | |
308 | { | |
309 | int error; | |
1da177e4 | 310 | uint qf; |
1da177e4 LT |
311 | __int64_t sbflags; |
312 | ||
1da177e4 LT |
313 | flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD); |
314 | /* | |
315 | * Switching on quota accounting must be done at mount time. | |
316 | */ | |
1da177e4 LT |
317 | flags &= ~(XFS_ALL_QUOTA_ACCT); |
318 | ||
319 | sbflags = 0; | |
320 | ||
321 | if (flags == 0) { | |
08e96e1a | 322 | xfs_debug(mp, "%s: zero flags, m_qflags=%x", |
8221112b | 323 | __func__, mp->m_qflags); |
1da177e4 LT |
324 | return XFS_ERROR(EINVAL); |
325 | } | |
326 | ||
327 | /* No fs can turn on quotas with a delayed effect */ | |
328 | ASSERT((flags & XFS_ALL_QUOTA_ACCT) == 0); | |
329 | ||
330 | /* | |
331 | * Can't enforce without accounting. We check the superblock | |
332 | * qflags here instead of m_qflags because rootfs can have | |
333 | * quota acct on ondisk without m_qflags' knowing. | |
334 | */ | |
335 | if (((flags & XFS_UQUOTA_ACCT) == 0 && | |
83e782e1 CS |
336 | (mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) == 0 && |
337 | (flags & XFS_UQUOTA_ENFD)) || | |
338 | ((flags & XFS_GQUOTA_ACCT) == 0 && | |
339 | (mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) == 0 && | |
340 | (flags & XFS_GQUOTA_ENFD)) || | |
c8ad20ff | 341 | ((flags & XFS_PQUOTA_ACCT) == 0 && |
83e782e1 CS |
342 | (mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) == 0 && |
343 | (flags & XFS_PQUOTA_ENFD))) { | |
8221112b | 344 | xfs_debug(mp, |
08e96e1a | 345 | "%s: Can't enforce without acct, flags=%x sbflags=%x", |
8221112b | 346 | __func__, flags, mp->m_sb.sb_qflags); |
1da177e4 LT |
347 | return XFS_ERROR(EINVAL); |
348 | } | |
349 | /* | |
25985edc | 350 | * If everything's up to-date incore, then don't waste time. |
1da177e4 LT |
351 | */ |
352 | if ((mp->m_qflags & flags) == flags) | |
353 | return XFS_ERROR(EEXIST); | |
354 | ||
355 | /* | |
356 | * Change sb_qflags on disk but not incore mp->qflags | |
357 | * if this is the root filesystem. | |
358 | */ | |
3685c2a1 | 359 | spin_lock(&mp->m_sb_lock); |
1da177e4 LT |
360 | qf = mp->m_sb.sb_qflags; |
361 | mp->m_sb.sb_qflags = qf | flags; | |
3685c2a1 | 362 | spin_unlock(&mp->m_sb_lock); |
1da177e4 LT |
363 | |
364 | /* | |
365 | * There's nothing to change if it's the same. | |
366 | */ | |
367 | if ((qf & flags) == flags && sbflags == 0) | |
368 | return XFS_ERROR(EEXIST); | |
369 | sbflags |= XFS_SB_QFLAGS; | |
370 | ||
371 | if ((error = xfs_qm_write_sb_changes(mp, sbflags))) | |
372 | return (error); | |
373 | /* | |
374 | * If we aren't trying to switch on quota enforcement, we are done. | |
375 | */ | |
376 | if (((mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) != | |
377 | (mp->m_qflags & XFS_UQUOTA_ACCT)) || | |
c8ad20ff NS |
378 | ((mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) != |
379 | (mp->m_qflags & XFS_PQUOTA_ACCT)) || | |
380 | ((mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) != | |
381 | (mp->m_qflags & XFS_GQUOTA_ACCT)) || | |
1da177e4 LT |
382 | (flags & XFS_ALL_QUOTA_ENFD) == 0) |
383 | return (0); | |
384 | ||
385 | if (! XFS_IS_QUOTA_RUNNING(mp)) | |
386 | return XFS_ERROR(ESRCH); | |
387 | ||
388 | /* | |
389 | * Switch on quota enforcement in core. | |
390 | */ | |
8a7b8a89 | 391 | mutex_lock(&mp->m_quotainfo->qi_quotaofflock); |
1da177e4 | 392 | mp->m_qflags |= (flags & XFS_ALL_QUOTA_ENFD); |
8a7b8a89 | 393 | mutex_unlock(&mp->m_quotainfo->qi_quotaofflock); |
1da177e4 LT |
394 | |
395 | return (0); | |
396 | } | |
397 | ||
398 | ||
1da177e4 LT |
399 | /* |
400 | * Return quota status information, such as uquota-off, enforcements, etc. | |
5d5e3d57 | 401 | * for Q_XGETQSTAT command. |
1da177e4 | 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 | 408 | struct xfs_quotainfo *q = mp->m_quotainfo; |
113a5683 CS |
409 | struct xfs_inode *uip = NULL; |
410 | struct xfs_inode *gip = NULL; | |
d892d586 | 411 | struct xfs_inode *pip = NULL; |
113a5683 CS |
412 | bool tempuqip = false; |
413 | bool tempgqip = false; | |
d892d586 | 414 | bool temppqip = false; |
1da177e4 | 415 | |
1da177e4 LT |
416 | memset(out, 0, sizeof(fs_quota_stat_t)); |
417 | ||
418 | out->qs_version = FS_QSTAT_VERSION; | |
62118709 | 419 | if (!xfs_sb_version_hasquota(&mp->m_sb)) { |
1da177e4 LT |
420 | out->qs_uquota.qfs_ino = NULLFSINO; |
421 | out->qs_gquota.qfs_ino = NULLFSINO; | |
422 | return (0); | |
423 | } | |
d892d586 | 424 | |
1da177e4 LT |
425 | out->qs_flags = (__uint16_t) xfs_qm_export_flags(mp->m_qflags & |
426 | (XFS_ALL_QUOTA_ACCT| | |
427 | XFS_ALL_QUOTA_ENFD)); | |
8a7b8a89 CH |
428 | if (q) { |
429 | uip = q->qi_uquotaip; | |
430 | gip = q->qi_gquotaip; | |
d892d586 | 431 | pip = q->qi_pquotaip; |
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) |
667a9291 | 436 | tempuqip = true; |
1da177e4 LT |
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) |
667a9291 | 441 | tempgqip = true; |
1da177e4 | 442 | } |
d892d586 CS |
443 | /* |
444 | * Q_XGETQSTAT doesn't have room for both group and project quotas. | |
445 | * So, allow the project quota values to be copied out only if | |
446 | * there is no group quota information available. | |
447 | */ | |
448 | if (!gip) { | |
449 | if (!pip && mp->m_sb.sb_pquotino != NULLFSINO) { | |
450 | if (xfs_iget(mp, NULL, mp->m_sb.sb_pquotino, | |
451 | 0, 0, &pip) == 0) | |
452 | temppqip = true; | |
453 | } | |
454 | } else | |
455 | pip = NULL; | |
1da177e4 | 456 | if (uip) { |
d892d586 | 457 | out->qs_uquota.qfs_ino = mp->m_sb.sb_uquotino; |
1da177e4 LT |
458 | out->qs_uquota.qfs_nblks = uip->i_d.di_nblocks; |
459 | out->qs_uquota.qfs_nextents = uip->i_d.di_nextents; | |
460 | if (tempuqip) | |
43355099 | 461 | IRELE(uip); |
1da177e4 | 462 | } |
d892d586 | 463 | |
1da177e4 | 464 | if (gip) { |
d892d586 | 465 | out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino; |
1da177e4 LT |
466 | out->qs_gquota.qfs_nblks = gip->i_d.di_nblocks; |
467 | out->qs_gquota.qfs_nextents = gip->i_d.di_nextents; | |
468 | if (tempgqip) | |
43355099 | 469 | IRELE(gip); |
1da177e4 | 470 | } |
d892d586 CS |
471 | if (pip) { |
472 | out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino; | |
473 | out->qs_gquota.qfs_nblks = pip->i_d.di_nblocks; | |
474 | out->qs_gquota.qfs_nextents = pip->i_d.di_nextents; | |
475 | if (temppqip) | |
5d5e3d57 CS |
476 | IRELE(pip); |
477 | } | |
478 | if (q) { | |
479 | out->qs_incoredqs = q->qi_dquots; | |
480 | out->qs_btimelimit = q->qi_btimelimit; | |
481 | out->qs_itimelimit = q->qi_itimelimit; | |
482 | out->qs_rtbtimelimit = q->qi_rtbtimelimit; | |
483 | out->qs_bwarnlimit = q->qi_bwarnlimit; | |
484 | out->qs_iwarnlimit = q->qi_iwarnlimit; | |
485 | } | |
486 | return 0; | |
487 | } | |
488 | ||
489 | /* | |
490 | * Return quota status information, such as uquota-off, enforcements, etc. | |
491 | * for Q_XGETQSTATV command, to support separate project quota field. | |
492 | */ | |
493 | int | |
494 | xfs_qm_scall_getqstatv( | |
495 | struct xfs_mount *mp, | |
496 | struct fs_quota_statv *out) | |
497 | { | |
498 | struct xfs_quotainfo *q = mp->m_quotainfo; | |
499 | struct xfs_inode *uip = NULL; | |
500 | struct xfs_inode *gip = NULL; | |
501 | struct xfs_inode *pip = NULL; | |
502 | bool tempuqip = false; | |
503 | bool tempgqip = false; | |
504 | bool temppqip = false; | |
505 | ||
506 | if (!xfs_sb_version_hasquota(&mp->m_sb)) { | |
507 | out->qs_uquota.qfs_ino = NULLFSINO; | |
508 | out->qs_gquota.qfs_ino = NULLFSINO; | |
509 | out->qs_pquota.qfs_ino = NULLFSINO; | |
510 | return (0); | |
511 | } | |
512 | ||
513 | out->qs_flags = (__uint16_t) xfs_qm_export_flags(mp->m_qflags & | |
514 | (XFS_ALL_QUOTA_ACCT| | |
515 | XFS_ALL_QUOTA_ENFD)); | |
516 | out->qs_uquota.qfs_ino = mp->m_sb.sb_uquotino; | |
517 | out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino; | |
518 | out->qs_pquota.qfs_ino = mp->m_sb.sb_pquotino; | |
519 | ||
520 | if (q) { | |
521 | uip = q->qi_uquotaip; | |
522 | gip = q->qi_gquotaip; | |
523 | pip = q->qi_pquotaip; | |
524 | } | |
525 | if (!uip && mp->m_sb.sb_uquotino != NULLFSINO) { | |
526 | if (xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, | |
527 | 0, 0, &uip) == 0) | |
528 | tempuqip = true; | |
529 | } | |
530 | if (!gip && mp->m_sb.sb_gquotino != NULLFSINO) { | |
531 | if (xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, | |
532 | 0, 0, &gip) == 0) | |
533 | tempgqip = true; | |
534 | } | |
535 | if (!pip && mp->m_sb.sb_pquotino != NULLFSINO) { | |
536 | if (xfs_iget(mp, NULL, mp->m_sb.sb_pquotino, | |
537 | 0, 0, &pip) == 0) | |
538 | temppqip = true; | |
539 | } | |
540 | if (uip) { | |
541 | out->qs_uquota.qfs_nblks = uip->i_d.di_nblocks; | |
542 | out->qs_uquota.qfs_nextents = uip->i_d.di_nextents; | |
543 | if (tempuqip) | |
544 | IRELE(uip); | |
545 | } | |
546 | ||
547 | if (gip) { | |
548 | out->qs_gquota.qfs_nblks = gip->i_d.di_nblocks; | |
549 | out->qs_gquota.qfs_nextents = gip->i_d.di_nextents; | |
550 | if (tempgqip) | |
551 | IRELE(gip); | |
552 | } | |
553 | if (pip) { | |
554 | out->qs_pquota.qfs_nblks = pip->i_d.di_nblocks; | |
555 | out->qs_pquota.qfs_nextents = pip->i_d.di_nextents; | |
556 | if (temppqip) | |
d892d586 CS |
557 | IRELE(pip); |
558 | } | |
8a7b8a89 CH |
559 | if (q) { |
560 | out->qs_incoredqs = q->qi_dquots; | |
561 | out->qs_btimelimit = q->qi_btimelimit; | |
562 | out->qs_itimelimit = q->qi_itimelimit; | |
563 | out->qs_rtbtimelimit = q->qi_rtbtimelimit; | |
564 | out->qs_bwarnlimit = q->qi_bwarnlimit; | |
565 | out->qs_iwarnlimit = q->qi_iwarnlimit; | |
1da177e4 | 566 | } |
8a7b8a89 | 567 | return 0; |
1da177e4 LT |
568 | } |
569 | ||
c472b432 CH |
570 | #define XFS_DQ_MASK \ |
571 | (FS_DQ_LIMIT_MASK | FS_DQ_TIMER_MASK | FS_DQ_WARNS_MASK) | |
572 | ||
1da177e4 LT |
573 | /* |
574 | * Adjust quota limits, and start/stop timers accordingly. | |
575 | */ | |
fcafb71b | 576 | int |
1da177e4 | 577 | xfs_qm_scall_setqlim( |
b1366451 | 578 | struct xfs_mount *mp, |
1da177e4 LT |
579 | xfs_dqid_t id, |
580 | uint type, | |
581 | fs_disk_quota_t *newlim) | |
582 | { | |
8a7b8a89 | 583 | struct xfs_quotainfo *q = mp->m_quotainfo; |
b1366451 BF |
584 | struct xfs_disk_dquot *ddq; |
585 | struct xfs_dquot *dqp; | |
586 | struct xfs_trans *tp; | |
1da177e4 LT |
587 | int error; |
588 | xfs_qcnt_t hard, soft; | |
589 | ||
c472b432 CH |
590 | if (newlim->d_fieldmask & ~XFS_DQ_MASK) |
591 | return EINVAL; | |
592 | if ((newlim->d_fieldmask & XFS_DQ_MASK) == 0) | |
593 | return 0; | |
1da177e4 | 594 | |
1da177e4 LT |
595 | /* |
596 | * We don't want to race with a quotaoff so take the quotaoff lock. | |
f648167f DC |
597 | * We don't hold an inode lock, so there's nothing else to stop |
598 | * a quotaoff from happening. | |
1da177e4 | 599 | */ |
8a7b8a89 | 600 | mutex_lock(&q->qi_quotaofflock); |
1da177e4 LT |
601 | |
602 | /* | |
f648167f DC |
603 | * Get the dquot (locked) before we start, as we need to do a |
604 | * transaction to allocate it if it doesn't exist. Once we have the | |
605 | * dquot, unlock it so we can start the next transaction safely. We hold | |
606 | * a reference to the dquot, so it's safe to do this unlock/lock without | |
607 | * it being reclaimed in the mean time. | |
1da177e4 | 608 | */ |
f648167f DC |
609 | error = xfs_qm_dqget(mp, NULL, id, type, XFS_QMOPT_DQALLOC, &dqp); |
610 | if (error) { | |
1da177e4 | 611 | ASSERT(error != ENOENT); |
8a7b8a89 | 612 | goto out_unlock; |
1da177e4 | 613 | } |
f648167f DC |
614 | xfs_dqunlock(dqp); |
615 | ||
616 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SETQLIM); | |
3d3c8b52 | 617 | error = xfs_trans_reserve(tp, &M_RES(mp)->tr_qm_setqlim, 0, 0); |
f648167f DC |
618 | if (error) { |
619 | xfs_trans_cancel(tp, 0); | |
620 | goto out_rele; | |
621 | } | |
622 | ||
623 | xfs_dqlock(dqp); | |
1da177e4 LT |
624 | xfs_trans_dqjoin(tp, dqp); |
625 | ddq = &dqp->q_core; | |
626 | ||
627 | /* | |
628 | * Make sure that hardlimits are >= soft limits before changing. | |
629 | */ | |
630 | hard = (newlim->d_fieldmask & FS_DQ_BHARD) ? | |
631 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_hardlimit) : | |
1149d96a | 632 | be64_to_cpu(ddq->d_blk_hardlimit); |
1da177e4 LT |
633 | soft = (newlim->d_fieldmask & FS_DQ_BSOFT) ? |
634 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_softlimit) : | |
1149d96a | 635 | be64_to_cpu(ddq->d_blk_softlimit); |
1da177e4 | 636 | if (hard == 0 || hard >= soft) { |
1149d96a CH |
637 | ddq->d_blk_hardlimit = cpu_to_be64(hard); |
638 | ddq->d_blk_softlimit = cpu_to_be64(soft); | |
b1366451 | 639 | xfs_dquot_set_prealloc_limits(dqp); |
1da177e4 | 640 | if (id == 0) { |
8a7b8a89 CH |
641 | q->qi_bhardlimit = hard; |
642 | q->qi_bsoftlimit = soft; | |
1da177e4 LT |
643 | } |
644 | } else { | |
08e96e1a | 645 | xfs_debug(mp, "blkhard %Ld < blksoft %Ld", hard, soft); |
1da177e4 LT |
646 | } |
647 | hard = (newlim->d_fieldmask & FS_DQ_RTBHARD) ? | |
648 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_rtb_hardlimit) : | |
1149d96a | 649 | be64_to_cpu(ddq->d_rtb_hardlimit); |
1da177e4 LT |
650 | soft = (newlim->d_fieldmask & FS_DQ_RTBSOFT) ? |
651 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_rtb_softlimit) : | |
1149d96a | 652 | be64_to_cpu(ddq->d_rtb_softlimit); |
1da177e4 | 653 | if (hard == 0 || hard >= soft) { |
1149d96a CH |
654 | ddq->d_rtb_hardlimit = cpu_to_be64(hard); |
655 | ddq->d_rtb_softlimit = cpu_to_be64(soft); | |
1da177e4 | 656 | if (id == 0) { |
8a7b8a89 CH |
657 | q->qi_rtbhardlimit = hard; |
658 | q->qi_rtbsoftlimit = soft; | |
1da177e4 LT |
659 | } |
660 | } else { | |
08e96e1a | 661 | xfs_debug(mp, "rtbhard %Ld < rtbsoft %Ld", hard, soft); |
1da177e4 LT |
662 | } |
663 | ||
664 | hard = (newlim->d_fieldmask & FS_DQ_IHARD) ? | |
665 | (xfs_qcnt_t) newlim->d_ino_hardlimit : | |
1149d96a | 666 | be64_to_cpu(ddq->d_ino_hardlimit); |
1da177e4 LT |
667 | soft = (newlim->d_fieldmask & FS_DQ_ISOFT) ? |
668 | (xfs_qcnt_t) newlim->d_ino_softlimit : | |
1149d96a | 669 | be64_to_cpu(ddq->d_ino_softlimit); |
1da177e4 | 670 | if (hard == 0 || hard >= soft) { |
1149d96a CH |
671 | ddq->d_ino_hardlimit = cpu_to_be64(hard); |
672 | ddq->d_ino_softlimit = cpu_to_be64(soft); | |
1da177e4 | 673 | if (id == 0) { |
8a7b8a89 CH |
674 | q->qi_ihardlimit = hard; |
675 | q->qi_isoftlimit = soft; | |
1da177e4 LT |
676 | } |
677 | } else { | |
08e96e1a | 678 | xfs_debug(mp, "ihard %Ld < isoft %Ld", hard, soft); |
1da177e4 LT |
679 | } |
680 | ||
754002b4 NS |
681 | /* |
682 | * Update warnings counter(s) if requested | |
683 | */ | |
684 | if (newlim->d_fieldmask & FS_DQ_BWARNS) | |
1149d96a | 685 | ddq->d_bwarns = cpu_to_be16(newlim->d_bwarns); |
754002b4 | 686 | if (newlim->d_fieldmask & FS_DQ_IWARNS) |
1149d96a | 687 | ddq->d_iwarns = cpu_to_be16(newlim->d_iwarns); |
754002b4 | 688 | if (newlim->d_fieldmask & FS_DQ_RTBWARNS) |
1149d96a | 689 | ddq->d_rtbwarns = cpu_to_be16(newlim->d_rtbwarns); |
754002b4 | 690 | |
1da177e4 LT |
691 | if (id == 0) { |
692 | /* | |
693 | * Timelimits for the super user set the relative time | |
694 | * the other users can be over quota for this file system. | |
695 | * If it is zero a default is used. Ditto for the default | |
754002b4 NS |
696 | * soft and hard limit values (already done, above), and |
697 | * for warnings. | |
1da177e4 LT |
698 | */ |
699 | if (newlim->d_fieldmask & FS_DQ_BTIMER) { | |
8a7b8a89 | 700 | q->qi_btimelimit = newlim->d_btimer; |
1149d96a | 701 | ddq->d_btimer = cpu_to_be32(newlim->d_btimer); |
1da177e4 LT |
702 | } |
703 | if (newlim->d_fieldmask & FS_DQ_ITIMER) { | |
8a7b8a89 | 704 | q->qi_itimelimit = newlim->d_itimer; |
1149d96a | 705 | ddq->d_itimer = cpu_to_be32(newlim->d_itimer); |
1da177e4 LT |
706 | } |
707 | if (newlim->d_fieldmask & FS_DQ_RTBTIMER) { | |
8a7b8a89 | 708 | q->qi_rtbtimelimit = newlim->d_rtbtimer; |
1149d96a | 709 | ddq->d_rtbtimer = cpu_to_be32(newlim->d_rtbtimer); |
1da177e4 | 710 | } |
754002b4 | 711 | if (newlim->d_fieldmask & FS_DQ_BWARNS) |
8a7b8a89 | 712 | q->qi_bwarnlimit = newlim->d_bwarns; |
754002b4 | 713 | if (newlim->d_fieldmask & FS_DQ_IWARNS) |
8a7b8a89 | 714 | q->qi_iwarnlimit = newlim->d_iwarns; |
754002b4 | 715 | if (newlim->d_fieldmask & FS_DQ_RTBWARNS) |
8a7b8a89 | 716 | q->qi_rtbwarnlimit = newlim->d_rtbwarns; |
754002b4 | 717 | } else { |
1da177e4 LT |
718 | /* |
719 | * If the user is now over quota, start the timelimit. | |
720 | * The user will not be 'warned'. | |
721 | * Note that we keep the timers ticking, whether enforcement | |
722 | * is on or off. We don't really want to bother with iterating | |
723 | * over all ondisk dquots and turning the timers on/off. | |
724 | */ | |
725 | xfs_qm_adjust_dqtimers(mp, ddq); | |
726 | } | |
727 | dqp->dq_flags |= XFS_DQ_DIRTY; | |
728 | xfs_trans_log_dquot(tp, dqp); | |
729 | ||
e5720eec | 730 | error = xfs_trans_commit(tp, 0); |
1da177e4 | 731 | |
f648167f DC |
732 | out_rele: |
733 | xfs_qm_dqrele(dqp); | |
734 | out_unlock: | |
8a7b8a89 | 735 | mutex_unlock(&q->qi_quotaofflock); |
e5720eec | 736 | return error; |
1da177e4 LT |
737 | } |
738 | ||
1da177e4 LT |
739 | STATIC int |
740 | xfs_qm_log_quotaoff_end( | |
741 | xfs_mount_t *mp, | |
742 | xfs_qoff_logitem_t *startqoff, | |
743 | uint flags) | |
744 | { | |
c8ad20ff | 745 | xfs_trans_t *tp; |
1da177e4 | 746 | int error; |
c8ad20ff | 747 | xfs_qoff_logitem_t *qoffi; |
1da177e4 LT |
748 | |
749 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF_END); | |
750 | ||
3d3c8b52 | 751 | error = xfs_trans_reserve(tp, &M_RES(mp)->tr_qm_equotaoff, 0, 0); |
762d7ba6 | 752 | if (error) { |
1da177e4 LT |
753 | xfs_trans_cancel(tp, 0); |
754 | return (error); | |
755 | } | |
756 | ||
757 | qoffi = xfs_trans_get_qoff_item(tp, startqoff, | |
758 | flags & XFS_ALL_QUOTA_ACCT); | |
759 | xfs_trans_log_quotaoff_item(tp, qoffi); | |
760 | ||
761 | /* | |
762 | * We have to make sure that the transaction is secure on disk before we | |
763 | * return and actually stop quota accounting. So, make it synchronous. | |
764 | * We don't care about quotoff's performance. | |
765 | */ | |
766 | xfs_trans_set_sync(tp); | |
1c72bf90 | 767 | error = xfs_trans_commit(tp, 0); |
1da177e4 LT |
768 | return (error); |
769 | } | |
770 | ||
771 | ||
772 | STATIC int | |
773 | xfs_qm_log_quotaoff( | |
774 | xfs_mount_t *mp, | |
775 | xfs_qoff_logitem_t **qoffstartp, | |
776 | uint flags) | |
777 | { | |
778 | xfs_trans_t *tp; | |
779 | int error; | |
1da177e4 LT |
780 | xfs_qoff_logitem_t *qoffi=NULL; |
781 | uint oldsbqflag=0; | |
782 | ||
783 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF); | |
3d3c8b52 | 784 | error = xfs_trans_reserve(tp, &M_RES(mp)->tr_qm_quotaoff, 0, 0); |
a1bd9557 | 785 | if (error) |
1da177e4 | 786 | goto error0; |
1da177e4 LT |
787 | |
788 | qoffi = xfs_trans_get_qoff_item(tp, NULL, flags & XFS_ALL_QUOTA_ACCT); | |
789 | xfs_trans_log_quotaoff_item(tp, qoffi); | |
790 | ||
3685c2a1 | 791 | spin_lock(&mp->m_sb_lock); |
1da177e4 LT |
792 | oldsbqflag = mp->m_sb.sb_qflags; |
793 | mp->m_sb.sb_qflags = (mp->m_qflags & ~(flags)) & XFS_MOUNT_QUOTA_ALL; | |
3685c2a1 | 794 | spin_unlock(&mp->m_sb_lock); |
1da177e4 LT |
795 | |
796 | xfs_mod_sb(tp, XFS_SB_QFLAGS); | |
797 | ||
798 | /* | |
799 | * We have to make sure that the transaction is secure on disk before we | |
800 | * return and actually stop quota accounting. So, make it synchronous. | |
801 | * We don't care about quotoff's performance. | |
802 | */ | |
803 | xfs_trans_set_sync(tp); | |
1c72bf90 | 804 | error = xfs_trans_commit(tp, 0); |
1da177e4 LT |
805 | |
806 | error0: | |
807 | if (error) { | |
808 | xfs_trans_cancel(tp, 0); | |
809 | /* | |
810 | * No one else is modifying sb_qflags, so this is OK. | |
811 | * We still hold the quotaofflock. | |
812 | */ | |
3685c2a1 | 813 | spin_lock(&mp->m_sb_lock); |
1da177e4 | 814 | mp->m_sb.sb_qflags = oldsbqflag; |
3685c2a1 | 815 | spin_unlock(&mp->m_sb_lock); |
1da177e4 LT |
816 | } |
817 | *qoffstartp = qoffi; | |
818 | return (error); | |
819 | } | |
820 | ||
821 | ||
18535a7e CH |
822 | int |
823 | xfs_qm_scall_getquota( | |
824 | struct xfs_mount *mp, | |
825 | xfs_dqid_t id, | |
826 | uint type, | |
1da177e4 LT |
827 | struct fs_disk_quota *dst) |
828 | { | |
18535a7e CH |
829 | struct xfs_dquot *dqp; |
830 | int error; | |
831 | ||
832 | /* | |
833 | * Try to get the dquot. We don't want it allocated on disk, so | |
834 | * we aren't passing the XFS_QMOPT_DOALLOC flag. If it doesn't | |
835 | * exist, we'll get ENOENT back. | |
836 | */ | |
837 | error = xfs_qm_dqget(mp, NULL, id, type, 0, &dqp); | |
838 | if (error) | |
839 | return error; | |
840 | ||
841 | /* | |
842 | * If everything's NULL, this dquot doesn't quite exist as far as | |
843 | * our utility programs are concerned. | |
844 | */ | |
845 | if (XFS_IS_DQUOT_UNINITIALIZED(dqp)) { | |
846 | error = XFS_ERROR(ENOENT); | |
847 | goto out_put; | |
848 | } | |
849 | ||
1da177e4 | 850 | memset(dst, 0, sizeof(*dst)); |
18535a7e CH |
851 | dst->d_version = FS_DQUOT_VERSION; |
852 | dst->d_flags = xfs_qm_export_qtype_flags(dqp->q_core.d_flags); | |
853 | dst->d_id = be32_to_cpu(dqp->q_core.d_id); | |
1149d96a | 854 | dst->d_blk_hardlimit = |
18535a7e | 855 | XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_blk_hardlimit)); |
1149d96a | 856 | dst->d_blk_softlimit = |
18535a7e CH |
857 | XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_blk_softlimit)); |
858 | dst->d_ino_hardlimit = be64_to_cpu(dqp->q_core.d_ino_hardlimit); | |
859 | dst->d_ino_softlimit = be64_to_cpu(dqp->q_core.d_ino_softlimit); | |
89605011 CH |
860 | dst->d_bcount = XFS_FSB_TO_BB(mp, dqp->q_res_bcount); |
861 | dst->d_icount = dqp->q_res_icount; | |
18535a7e CH |
862 | dst->d_btimer = be32_to_cpu(dqp->q_core.d_btimer); |
863 | dst->d_itimer = be32_to_cpu(dqp->q_core.d_itimer); | |
864 | dst->d_iwarns = be16_to_cpu(dqp->q_core.d_iwarns); | |
865 | dst->d_bwarns = be16_to_cpu(dqp->q_core.d_bwarns); | |
1149d96a | 866 | dst->d_rtb_hardlimit = |
18535a7e | 867 | XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_rtb_hardlimit)); |
1149d96a | 868 | dst->d_rtb_softlimit = |
18535a7e | 869 | XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_rtb_softlimit)); |
89605011 | 870 | dst->d_rtbcount = XFS_FSB_TO_BB(mp, dqp->q_res_rtbcount); |
18535a7e CH |
871 | dst->d_rtbtimer = be32_to_cpu(dqp->q_core.d_rtbtimer); |
872 | dst->d_rtbwarns = be16_to_cpu(dqp->q_core.d_rtbwarns); | |
1da177e4 LT |
873 | |
874 | /* | |
875 | * Internally, we don't reset all the timers when quota enforcement | |
c41564b5 | 876 | * gets turned off. No need to confuse the user level code, |
1da177e4 LT |
877 | * so return zeroes in that case. |
878 | */ | |
83e782e1 CS |
879 | if ((!XFS_IS_UQUOTA_ENFORCED(mp) && |
880 | dqp->q_core.d_flags == XFS_DQ_USER) || | |
881 | (!XFS_IS_GQUOTA_ENFORCED(mp) && | |
882 | dqp->q_core.d_flags == XFS_DQ_GROUP) || | |
883 | (!XFS_IS_PQUOTA_ENFORCED(mp) && | |
884 | dqp->q_core.d_flags == XFS_DQ_PROJ)) { | |
1da177e4 LT |
885 | dst->d_btimer = 0; |
886 | dst->d_itimer = 0; | |
887 | dst->d_rtbtimer = 0; | |
888 | } | |
889 | ||
890 | #ifdef DEBUG | |
ade7ce31 | 891 | if (((XFS_IS_UQUOTA_ENFORCED(mp) && dst->d_flags == FS_USER_QUOTA) || |
83e782e1 CS |
892 | (XFS_IS_GQUOTA_ENFORCED(mp) && dst->d_flags == FS_GROUP_QUOTA) || |
893 | (XFS_IS_PQUOTA_ENFORCED(mp) && dst->d_flags == FS_PROJ_QUOTA)) && | |
e6d29426 | 894 | dst->d_id != 0) { |
f7555032 | 895 | if ((dst->d_bcount > dst->d_blk_softlimit) && |
1da177e4 LT |
896 | (dst->d_blk_softlimit > 0)) { |
897 | ASSERT(dst->d_btimer != 0); | |
898 | } | |
f7555032 | 899 | if ((dst->d_icount > dst->d_ino_softlimit) && |
1da177e4 LT |
900 | (dst->d_ino_softlimit > 0)) { |
901 | ASSERT(dst->d_itimer != 0); | |
902 | } | |
903 | } | |
904 | #endif | |
18535a7e CH |
905 | out_put: |
906 | xfs_qm_dqput(dqp); | |
907 | return error; | |
1da177e4 LT |
908 | } |
909 | ||
1da177e4 LT |
910 | STATIC uint |
911 | xfs_qm_export_qtype_flags( | |
912 | uint flags) | |
913 | { | |
914 | /* | |
c8ad20ff | 915 | * Can't be more than one, or none. |
1da177e4 | 916 | */ |
ade7ce31 CH |
917 | ASSERT((flags & (FS_PROJ_QUOTA | FS_USER_QUOTA)) != |
918 | (FS_PROJ_QUOTA | FS_USER_QUOTA)); | |
919 | ASSERT((flags & (FS_PROJ_QUOTA | FS_GROUP_QUOTA)) != | |
920 | (FS_PROJ_QUOTA | FS_GROUP_QUOTA)); | |
921 | ASSERT((flags & (FS_USER_QUOTA | FS_GROUP_QUOTA)) != | |
922 | (FS_USER_QUOTA | FS_GROUP_QUOTA)); | |
923 | ASSERT((flags & (FS_PROJ_QUOTA|FS_USER_QUOTA|FS_GROUP_QUOTA)) != 0); | |
1da177e4 LT |
924 | |
925 | return (flags & XFS_DQ_USER) ? | |
ade7ce31 CH |
926 | FS_USER_QUOTA : (flags & XFS_DQ_PROJ) ? |
927 | FS_PROJ_QUOTA : FS_GROUP_QUOTA; | |
1da177e4 LT |
928 | } |
929 | ||
1da177e4 LT |
930 | STATIC uint |
931 | xfs_qm_export_flags( | |
932 | uint flags) | |
933 | { | |
934 | uint uflags; | |
935 | ||
936 | uflags = 0; | |
937 | if (flags & XFS_UQUOTA_ACCT) | |
ade7ce31 | 938 | uflags |= FS_QUOTA_UDQ_ACCT; |
1da177e4 | 939 | if (flags & XFS_GQUOTA_ACCT) |
ade7ce31 | 940 | uflags |= FS_QUOTA_GDQ_ACCT; |
83e782e1 CS |
941 | if (flags & XFS_PQUOTA_ACCT) |
942 | uflags |= FS_QUOTA_PDQ_ACCT; | |
1da177e4 | 943 | if (flags & XFS_UQUOTA_ENFD) |
ade7ce31 | 944 | uflags |= FS_QUOTA_UDQ_ENFD; |
83e782e1 CS |
945 | if (flags & XFS_GQUOTA_ENFD) |
946 | uflags |= FS_QUOTA_GDQ_ENFD; | |
947 | if (flags & XFS_PQUOTA_ENFD) | |
948 | uflags |= FS_QUOTA_PDQ_ENFD; | |
1da177e4 LT |
949 | return (uflags); |
950 | } | |
951 | ||
952 | ||
fe588ed3 CH |
953 | STATIC int |
954 | xfs_dqrele_inode( | |
955 | struct xfs_inode *ip, | |
956 | struct xfs_perag *pag, | |
a454f742 BF |
957 | int flags, |
958 | void *args) | |
1da177e4 | 959 | { |
fe588ed3 | 960 | /* skip quota inodes */ |
8a7b8a89 | 961 | if (ip == ip->i_mount->m_quotainfo->qi_uquotaip || |
92f8ff73 CS |
962 | ip == ip->i_mount->m_quotainfo->qi_gquotaip || |
963 | ip == ip->i_mount->m_quotainfo->qi_pquotaip) { | |
fe588ed3 CH |
964 | ASSERT(ip->i_udquot == NULL); |
965 | ASSERT(ip->i_gdquot == NULL); | |
92f8ff73 | 966 | ASSERT(ip->i_pdquot == NULL); |
fe588ed3 CH |
967 | return 0; |
968 | } | |
cb4f0d1d | 969 | |
fe588ed3 CH |
970 | xfs_ilock(ip, XFS_ILOCK_EXCL); |
971 | if ((flags & XFS_UQUOTA_ACCT) && ip->i_udquot) { | |
972 | xfs_qm_dqrele(ip->i_udquot); | |
973 | ip->i_udquot = NULL; | |
974 | } | |
92f8ff73 | 975 | if ((flags & XFS_GQUOTA_ACCT) && ip->i_gdquot) { |
fe588ed3 CH |
976 | xfs_qm_dqrele(ip->i_gdquot); |
977 | ip->i_gdquot = NULL; | |
978 | } | |
92f8ff73 CS |
979 | if ((flags & XFS_PQUOTA_ACCT) && ip->i_pdquot) { |
980 | xfs_qm_dqrele(ip->i_pdquot); | |
981 | ip->i_pdquot = NULL; | |
982 | } | |
f2d67614 | 983 | xfs_iunlock(ip, XFS_ILOCK_EXCL); |
fe588ed3 | 984 | return 0; |
5b4d89ae DC |
985 | } |
986 | ||
fe588ed3 | 987 | |
5b4d89ae DC |
988 | /* |
989 | * Go thru all the inodes in the file system, releasing their dquots. | |
fe588ed3 | 990 | * |
5b4d89ae | 991 | * Note that the mount structure gets modified to indicate that quotas are off |
fe588ed3 | 992 | * AFTER this, in the case of quotaoff. |
5b4d89ae DC |
993 | */ |
994 | void | |
995 | xfs_qm_dqrele_all_inodes( | |
996 | struct xfs_mount *mp, | |
997 | uint flags) | |
998 | { | |
5b4d89ae | 999 | ASSERT(mp->m_quotainfo); |
a454f742 | 1000 | xfs_inode_ag_iterator(mp, xfs_dqrele_inode, flags, NULL); |
1da177e4 | 1001 | } |