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Commit | Line | Data |
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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" |
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 | STATIC uint xfs_qm_export_qtype_flags(uint); |
1da177e4 | 43 | |
1da177e4 LT |
44 | /* |
45 | * Turn off quota accounting and/or enforcement for all udquots and/or | |
46 | * gdquots. Called only at unmount time. | |
47 | * | |
48 | * This assumes that there are no dquots of this file system cached | |
49 | * incore, and modifies the ondisk dquot directly. Therefore, for example, | |
50 | * it is an error to call this twice, without purging the cache. | |
51 | */ | |
fcafb71b | 52 | int |
1da177e4 LT |
53 | xfs_qm_scall_quotaoff( |
54 | xfs_mount_t *mp, | |
fcafb71b | 55 | uint flags) |
1da177e4 | 56 | { |
8a7b8a89 | 57 | struct xfs_quotainfo *q = mp->m_quotainfo; |
1da177e4 | 58 | uint dqtype; |
1da177e4 LT |
59 | int error; |
60 | uint inactivate_flags; | |
61 | xfs_qoff_logitem_t *qoffstart; | |
1da177e4 | 62 | |
1da177e4 LT |
63 | /* |
64 | * No file system can have quotas enabled on disk but not in core. | |
65 | * Note that quota utilities (like quotaoff) _expect_ | |
2451337d | 66 | * errno == -EEXIST here. |
1da177e4 LT |
67 | */ |
68 | if ((mp->m_qflags & flags) == 0) | |
2451337d | 69 | return -EEXIST; |
1da177e4 LT |
70 | error = 0; |
71 | ||
72 | flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD); | |
73 | ||
74 | /* | |
75 | * We don't want to deal with two quotaoffs messing up each other, | |
76 | * so we're going to serialize it. quotaoff isn't exactly a performance | |
77 | * critical thing. | |
78 | * If quotaoff, then we must be dealing with the root filesystem. | |
79 | */ | |
8a7b8a89 CH |
80 | ASSERT(q); |
81 | mutex_lock(&q->qi_quotaofflock); | |
1da177e4 LT |
82 | |
83 | /* | |
84 | * If we're just turning off quota enforcement, change mp and go. | |
85 | */ | |
86 | if ((flags & XFS_ALL_QUOTA_ACCT) == 0) { | |
87 | mp->m_qflags &= ~(flags); | |
88 | ||
3685c2a1 | 89 | spin_lock(&mp->m_sb_lock); |
1da177e4 | 90 | mp->m_sb.sb_qflags = mp->m_qflags; |
3685c2a1 | 91 | spin_unlock(&mp->m_sb_lock); |
8a7b8a89 | 92 | mutex_unlock(&q->qi_quotaofflock); |
1da177e4 LT |
93 | |
94 | /* XXX what to do if error ? Revert back to old vals incore ? */ | |
95 | error = xfs_qm_write_sb_changes(mp, XFS_SB_QFLAGS); | |
d99831ff | 96 | return error; |
1da177e4 LT |
97 | } |
98 | ||
99 | dqtype = 0; | |
100 | inactivate_flags = 0; | |
101 | /* | |
102 | * If accounting is off, we must turn enforcement off, clear the | |
103 | * quota 'CHKD' certificate to make it known that we have to | |
104 | * do a quotacheck the next time this quota is turned on. | |
105 | */ | |
106 | if (flags & XFS_UQUOTA_ACCT) { | |
107 | dqtype |= XFS_QMOPT_UQUOTA; | |
108 | flags |= (XFS_UQUOTA_CHKD | XFS_UQUOTA_ENFD); | |
109 | inactivate_flags |= XFS_UQUOTA_ACTIVE; | |
110 | } | |
111 | if (flags & XFS_GQUOTA_ACCT) { | |
112 | dqtype |= XFS_QMOPT_GQUOTA; | |
83e782e1 | 113 | flags |= (XFS_GQUOTA_CHKD | XFS_GQUOTA_ENFD); |
1da177e4 | 114 | inactivate_flags |= XFS_GQUOTA_ACTIVE; |
92f8ff73 CS |
115 | } |
116 | if (flags & XFS_PQUOTA_ACCT) { | |
c8ad20ff | 117 | dqtype |= XFS_QMOPT_PQUOTA; |
83e782e1 | 118 | flags |= (XFS_PQUOTA_CHKD | XFS_PQUOTA_ENFD); |
c8ad20ff | 119 | inactivate_flags |= XFS_PQUOTA_ACTIVE; |
1da177e4 LT |
120 | } |
121 | ||
122 | /* | |
123 | * Nothing to do? Don't complain. This happens when we're just | |
124 | * turning off quota enforcement. | |
125 | */ | |
8a7b8a89 CH |
126 | if ((mp->m_qflags & flags) == 0) |
127 | goto out_unlock; | |
1da177e4 LT |
128 | |
129 | /* | |
130 | * Write the LI_QUOTAOFF log record, and do SB changes atomically, | |
cb6edc26 DC |
131 | * and synchronously. If we fail to write, we should abort the |
132 | * operation as it cannot be recovered safely if we crash. | |
1da177e4 | 133 | */ |
cb6edc26 DC |
134 | error = xfs_qm_log_quotaoff(mp, &qoffstart, flags); |
135 | if (error) | |
8a7b8a89 | 136 | goto out_unlock; |
1da177e4 LT |
137 | |
138 | /* | |
139 | * Next we clear the XFS_MOUNT_*DQ_ACTIVE bit(s) in the mount struct | |
140 | * to take care of the race between dqget and quotaoff. We don't take | |
141 | * any special locks to reset these bits. All processes need to check | |
142 | * these bits *after* taking inode lock(s) to see if the particular | |
143 | * quota type is in the process of being turned off. If *ACTIVE, it is | |
144 | * guaranteed that all dquot structures and all quotainode ptrs will all | |
145 | * stay valid as long as that inode is kept locked. | |
146 | * | |
147 | * There is no turning back after this. | |
148 | */ | |
149 | mp->m_qflags &= ~inactivate_flags; | |
150 | ||
151 | /* | |
152 | * Give back all the dquot reference(s) held by inodes. | |
153 | * Here we go thru every single incore inode in this file system, and | |
154 | * do a dqrele on the i_udquot/i_gdquot that it may have. | |
155 | * Essentially, as long as somebody has an inode locked, this guarantees | |
156 | * that quotas will not be turned off. This is handy because in a | |
157 | * transaction once we lock the inode(s) and check for quotaon, we can | |
158 | * depend on the quota inodes (and other things) being valid as long as | |
159 | * we keep the lock(s). | |
160 | */ | |
161 | xfs_qm_dqrele_all_inodes(mp, flags); | |
162 | ||
163 | /* | |
164 | * Next we make the changes in the quota flag in the mount struct. | |
165 | * This isn't protected by a particular lock directly, because we | |
25985edc | 166 | * don't want to take a mrlock every time we depend on quotas being on. |
1da177e4 | 167 | */ |
b84a3a96 | 168 | mp->m_qflags &= ~flags; |
1da177e4 LT |
169 | |
170 | /* | |
171 | * Go through all the dquots of this file system and purge them, | |
b84a3a96 | 172 | * according to what was turned off. |
1da177e4 | 173 | */ |
b84a3a96 | 174 | xfs_qm_dqpurge_all(mp, dqtype); |
1da177e4 LT |
175 | |
176 | /* | |
177 | * Transactions that had started before ACTIVE state bit was cleared | |
178 | * could have logged many dquots, so they'd have higher LSNs than | |
179 | * the first QUOTAOFF log record does. If we happen to crash when | |
180 | * the tail of the log has gone past the QUOTAOFF record, but | |
181 | * before the last dquot modification, those dquots __will__ | |
182 | * recover, and that's not good. | |
183 | * | |
184 | * So, we have QUOTAOFF start and end logitems; the start | |
185 | * logitem won't get overwritten until the end logitem appears... | |
186 | */ | |
cb6edc26 DC |
187 | error = xfs_qm_log_quotaoff_end(mp, qoffstart, flags); |
188 | if (error) { | |
189 | /* We're screwed now. Shutdown is the only option. */ | |
190 | xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE); | |
8a7b8a89 | 191 | goto out_unlock; |
cb6edc26 | 192 | } |
1da177e4 LT |
193 | |
194 | /* | |
c31ad439 | 195 | * If all quotas are completely turned off, close shop. |
1da177e4 | 196 | */ |
c31ad439 | 197 | if (mp->m_qflags == 0) { |
8a7b8a89 | 198 | mutex_unlock(&q->qi_quotaofflock); |
1da177e4 | 199 | xfs_qm_destroy_quotainfo(mp); |
d99831ff | 200 | return 0; |
1da177e4 LT |
201 | } |
202 | ||
203 | /* | |
8a7b8a89 | 204 | * Release our quotainode references if we don't need them anymore. |
1da177e4 | 205 | */ |
8a7b8a89 CH |
206 | if ((dqtype & XFS_QMOPT_UQUOTA) && q->qi_uquotaip) { |
207 | IRELE(q->qi_uquotaip); | |
208 | q->qi_uquotaip = NULL; | |
1da177e4 | 209 | } |
92f8ff73 | 210 | if ((dqtype & XFS_QMOPT_GQUOTA) && q->qi_gquotaip) { |
8a7b8a89 CH |
211 | IRELE(q->qi_gquotaip); |
212 | q->qi_gquotaip = NULL; | |
1da177e4 | 213 | } |
92f8ff73 CS |
214 | if ((dqtype & XFS_QMOPT_PQUOTA) && q->qi_pquotaip) { |
215 | IRELE(q->qi_pquotaip); | |
216 | q->qi_pquotaip = NULL; | |
217 | } | |
1da177e4 | 218 | |
8a7b8a89 CH |
219 | out_unlock: |
220 | mutex_unlock(&q->qi_quotaofflock); | |
221 | return error; | |
1da177e4 LT |
222 | } |
223 | ||
5d18898b CH |
224 | STATIC int |
225 | xfs_qm_scall_trunc_qfile( | |
226 | struct xfs_mount *mp, | |
227 | xfs_ino_t ino) | |
228 | { | |
229 | struct xfs_inode *ip; | |
230 | struct xfs_trans *tp; | |
231 | int error; | |
232 | ||
233 | if (ino == NULLFSINO) | |
234 | return 0; | |
235 | ||
236 | error = xfs_iget(mp, NULL, ino, 0, 0, &ip); | |
237 | if (error) | |
238 | return error; | |
239 | ||
240 | xfs_ilock(ip, XFS_IOLOCK_EXCL); | |
241 | ||
242 | tp = xfs_trans_alloc(mp, XFS_TRANS_TRUNCATE_FILE); | |
3d3c8b52 | 243 | error = xfs_trans_reserve(tp, &M_RES(mp)->tr_itruncate, 0, 0); |
5d18898b CH |
244 | if (error) { |
245 | xfs_trans_cancel(tp, 0); | |
246 | xfs_iunlock(ip, XFS_IOLOCK_EXCL); | |
247 | goto out_put; | |
248 | } | |
249 | ||
250 | xfs_ilock(ip, XFS_ILOCK_EXCL); | |
ddc3415a | 251 | xfs_trans_ijoin(tp, ip, 0); |
5d18898b | 252 | |
673e8e59 | 253 | ip->i_d.di_size = 0; |
673e8e59 CH |
254 | xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); |
255 | ||
256 | error = xfs_itruncate_extents(&tp, ip, XFS_DATA_FORK, 0); | |
5d18898b CH |
257 | if (error) { |
258 | xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES | | |
259 | XFS_TRANS_ABORT); | |
260 | goto out_unlock; | |
261 | } | |
262 | ||
673e8e59 CH |
263 | ASSERT(ip->i_d.di_nextents == 0); |
264 | ||
dcd79a14 | 265 | xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); |
5d18898b CH |
266 | error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); |
267 | ||
268 | out_unlock: | |
269 | xfs_iunlock(ip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL); | |
270 | out_put: | |
271 | IRELE(ip); | |
272 | return error; | |
273 | } | |
274 | ||
fcafb71b | 275 | int |
1da177e4 LT |
276 | xfs_qm_scall_trunc_qfiles( |
277 | xfs_mount_t *mp, | |
278 | uint flags) | |
279 | { | |
2451337d | 280 | int error = -EINVAL; |
1da177e4 | 281 | |
f58522c5 ES |
282 | if (!xfs_sb_version_hasquota(&mp->m_sb) || flags == 0 || |
283 | (flags & ~XFS_DQ_ALLTYPES)) { | |
08e96e1a | 284 | xfs_debug(mp, "%s: flags=%x m_qflags=%x", |
8221112b | 285 | __func__, flags, mp->m_qflags); |
2451337d | 286 | return -EINVAL; |
1da177e4 LT |
287 | } |
288 | ||
c61a9e39 | 289 | if (flags & XFS_DQ_USER) { |
5d18898b | 290 | error = xfs_qm_scall_trunc_qfile(mp, mp->m_sb.sb_uquotino); |
c61a9e39 JL |
291 | if (error) |
292 | return error; | |
293 | } | |
294 | if (flags & XFS_DQ_GROUP) { | |
295 | error = xfs_qm_scall_trunc_qfile(mp, mp->m_sb.sb_gquotino); | |
296 | if (error) | |
297 | return error; | |
298 | } | |
d892d586 | 299 | if (flags & XFS_DQ_PROJ) |
c61a9e39 | 300 | error = xfs_qm_scall_trunc_qfile(mp, mp->m_sb.sb_pquotino); |
1da177e4 | 301 | |
c61a9e39 | 302 | return error; |
1da177e4 LT |
303 | } |
304 | ||
1da177e4 LT |
305 | /* |
306 | * Switch on (a given) quota enforcement for a filesystem. This takes | |
307 | * effect immediately. | |
308 | * (Switching on quota accounting must be done at mount time.) | |
309 | */ | |
fcafb71b | 310 | int |
1da177e4 LT |
311 | xfs_qm_scall_quotaon( |
312 | xfs_mount_t *mp, | |
313 | uint flags) | |
314 | { | |
315 | int error; | |
1da177e4 | 316 | uint qf; |
1da177e4 LT |
317 | __int64_t sbflags; |
318 | ||
1da177e4 LT |
319 | flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD); |
320 | /* | |
321 | * Switching on quota accounting must be done at mount time. | |
322 | */ | |
1da177e4 LT |
323 | flags &= ~(XFS_ALL_QUOTA_ACCT); |
324 | ||
325 | sbflags = 0; | |
326 | ||
327 | if (flags == 0) { | |
08e96e1a | 328 | xfs_debug(mp, "%s: zero flags, m_qflags=%x", |
8221112b | 329 | __func__, mp->m_qflags); |
2451337d | 330 | return -EINVAL; |
1da177e4 LT |
331 | } |
332 | ||
1da177e4 LT |
333 | /* |
334 | * Can't enforce without accounting. We check the superblock | |
335 | * qflags here instead of m_qflags because rootfs can have | |
336 | * quota acct on ondisk without m_qflags' knowing. | |
337 | */ | |
fbf64b3d | 338 | if (((mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) == 0 && |
83e782e1 | 339 | (flags & XFS_UQUOTA_ENFD)) || |
fbf64b3d | 340 | ((mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) == 0 && |
83e782e1 | 341 | (flags & XFS_GQUOTA_ENFD)) || |
fbf64b3d | 342 | ((mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) == 0 && |
83e782e1 | 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); |
2451337d | 347 | return -EINVAL; |
1da177e4 LT |
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) | |
2451337d | 353 | return -EEXIST; |
1da177e4 LT |
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) | |
2451337d | 368 | return -EEXIST; |
1da177e4 LT |
369 | sbflags |= XFS_SB_QFLAGS; |
370 | ||
371 | if ((error = xfs_qm_write_sb_changes(mp, sbflags))) | |
d99831ff | 372 | return error; |
1da177e4 LT |
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) != | |
fbf64b3d | 381 | (mp->m_qflags & XFS_GQUOTA_ACCT))) |
d99831ff | 382 | return 0; |
1da177e4 LT |
383 | |
384 | if (! XFS_IS_QUOTA_RUNNING(mp)) | |
2451337d | 385 | return -ESRCH; |
1da177e4 LT |
386 | |
387 | /* | |
388 | * Switch on quota enforcement in core. | |
389 | */ | |
8a7b8a89 | 390 | mutex_lock(&mp->m_quotainfo->qi_quotaofflock); |
1da177e4 | 391 | mp->m_qflags |= (flags & XFS_ALL_QUOTA_ENFD); |
8a7b8a89 | 392 | mutex_unlock(&mp->m_quotainfo->qi_quotaofflock); |
1da177e4 | 393 | |
d99831ff | 394 | return 0; |
1da177e4 LT |
395 | } |
396 | ||
397 | ||
1da177e4 LT |
398 | /* |
399 | * Return quota status information, such as uquota-off, enforcements, etc. | |
5d5e3d57 | 400 | * for Q_XGETQSTAT command. |
1da177e4 | 401 | */ |
fcafb71b | 402 | int |
1da177e4 | 403 | xfs_qm_scall_getqstat( |
8a7b8a89 CH |
404 | struct xfs_mount *mp, |
405 | struct fs_quota_stat *out) | |
1da177e4 | 406 | { |
8a7b8a89 | 407 | struct xfs_quotainfo *q = mp->m_quotainfo; |
113a5683 CS |
408 | struct xfs_inode *uip = NULL; |
409 | struct xfs_inode *gip = NULL; | |
d892d586 | 410 | struct xfs_inode *pip = NULL; |
113a5683 CS |
411 | bool tempuqip = false; |
412 | bool tempgqip = false; | |
d892d586 | 413 | bool temppqip = false; |
1da177e4 | 414 | |
1da177e4 LT |
415 | memset(out, 0, sizeof(fs_quota_stat_t)); |
416 | ||
417 | out->qs_version = FS_QSTAT_VERSION; | |
62118709 | 418 | if (!xfs_sb_version_hasquota(&mp->m_sb)) { |
1da177e4 LT |
419 | out->qs_uquota.qfs_ino = NULLFSINO; |
420 | out->qs_gquota.qfs_ino = NULLFSINO; | |
d99831ff | 421 | return 0; |
1da177e4 | 422 | } |
d892d586 | 423 | |
1da177e4 LT |
424 | out->qs_flags = (__uint16_t) xfs_qm_export_flags(mp->m_qflags & |
425 | (XFS_ALL_QUOTA_ACCT| | |
426 | XFS_ALL_QUOTA_ENFD)); | |
8a7b8a89 CH |
427 | if (q) { |
428 | uip = q->qi_uquotaip; | |
429 | gip = q->qi_gquotaip; | |
d892d586 | 430 | pip = q->qi_pquotaip; |
1da177e4 LT |
431 | } |
432 | if (!uip && mp->m_sb.sb_uquotino != NULLFSINO) { | |
433 | if (xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, | |
7b6259e7 | 434 | 0, 0, &uip) == 0) |
667a9291 | 435 | tempuqip = true; |
1da177e4 LT |
436 | } |
437 | if (!gip && mp->m_sb.sb_gquotino != NULLFSINO) { | |
438 | if (xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, | |
7b6259e7 | 439 | 0, 0, &gip) == 0) |
667a9291 | 440 | tempgqip = true; |
1da177e4 | 441 | } |
d892d586 CS |
442 | /* |
443 | * Q_XGETQSTAT doesn't have room for both group and project quotas. | |
444 | * So, allow the project quota values to be copied out only if | |
445 | * there is no group quota information available. | |
446 | */ | |
447 | if (!gip) { | |
448 | if (!pip && mp->m_sb.sb_pquotino != NULLFSINO) { | |
449 | if (xfs_iget(mp, NULL, mp->m_sb.sb_pquotino, | |
450 | 0, 0, &pip) == 0) | |
451 | temppqip = true; | |
452 | } | |
453 | } else | |
454 | pip = NULL; | |
1da177e4 | 455 | if (uip) { |
d892d586 | 456 | out->qs_uquota.qfs_ino = mp->m_sb.sb_uquotino; |
1da177e4 LT |
457 | out->qs_uquota.qfs_nblks = uip->i_d.di_nblocks; |
458 | out->qs_uquota.qfs_nextents = uip->i_d.di_nextents; | |
459 | if (tempuqip) | |
43355099 | 460 | IRELE(uip); |
1da177e4 | 461 | } |
d892d586 | 462 | |
1da177e4 | 463 | if (gip) { |
d892d586 | 464 | out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino; |
1da177e4 LT |
465 | out->qs_gquota.qfs_nblks = gip->i_d.di_nblocks; |
466 | out->qs_gquota.qfs_nextents = gip->i_d.di_nextents; | |
467 | if (tempgqip) | |
43355099 | 468 | IRELE(gip); |
1da177e4 | 469 | } |
d892d586 CS |
470 | if (pip) { |
471 | out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino; | |
472 | out->qs_gquota.qfs_nblks = pip->i_d.di_nblocks; | |
473 | out->qs_gquota.qfs_nextents = pip->i_d.di_nextents; | |
474 | if (temppqip) | |
5d5e3d57 CS |
475 | IRELE(pip); |
476 | } | |
477 | if (q) { | |
478 | out->qs_incoredqs = q->qi_dquots; | |
479 | out->qs_btimelimit = q->qi_btimelimit; | |
480 | out->qs_itimelimit = q->qi_itimelimit; | |
481 | out->qs_rtbtimelimit = q->qi_rtbtimelimit; | |
482 | out->qs_bwarnlimit = q->qi_bwarnlimit; | |
483 | out->qs_iwarnlimit = q->qi_iwarnlimit; | |
484 | } | |
485 | return 0; | |
486 | } | |
487 | ||
488 | /* | |
489 | * Return quota status information, such as uquota-off, enforcements, etc. | |
490 | * for Q_XGETQSTATV command, to support separate project quota field. | |
491 | */ | |
492 | int | |
493 | xfs_qm_scall_getqstatv( | |
494 | struct xfs_mount *mp, | |
495 | struct fs_quota_statv *out) | |
496 | { | |
497 | struct xfs_quotainfo *q = mp->m_quotainfo; | |
498 | struct xfs_inode *uip = NULL; | |
499 | struct xfs_inode *gip = NULL; | |
500 | struct xfs_inode *pip = NULL; | |
501 | bool tempuqip = false; | |
502 | bool tempgqip = false; | |
503 | bool temppqip = false; | |
504 | ||
505 | if (!xfs_sb_version_hasquota(&mp->m_sb)) { | |
506 | out->qs_uquota.qfs_ino = NULLFSINO; | |
507 | out->qs_gquota.qfs_ino = NULLFSINO; | |
508 | out->qs_pquota.qfs_ino = NULLFSINO; | |
d99831ff | 509 | return 0; |
5d5e3d57 CS |
510 | } |
511 | ||
512 | out->qs_flags = (__uint16_t) xfs_qm_export_flags(mp->m_qflags & | |
513 | (XFS_ALL_QUOTA_ACCT| | |
514 | XFS_ALL_QUOTA_ENFD)); | |
515 | out->qs_uquota.qfs_ino = mp->m_sb.sb_uquotino; | |
516 | out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino; | |
517 | out->qs_pquota.qfs_ino = mp->m_sb.sb_pquotino; | |
518 | ||
519 | if (q) { | |
520 | uip = q->qi_uquotaip; | |
521 | gip = q->qi_gquotaip; | |
522 | pip = q->qi_pquotaip; | |
523 | } | |
524 | if (!uip && mp->m_sb.sb_uquotino != NULLFSINO) { | |
525 | if (xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, | |
526 | 0, 0, &uip) == 0) | |
527 | tempuqip = true; | |
528 | } | |
529 | if (!gip && mp->m_sb.sb_gquotino != NULLFSINO) { | |
530 | if (xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, | |
531 | 0, 0, &gip) == 0) | |
532 | tempgqip = true; | |
533 | } | |
534 | if (!pip && mp->m_sb.sb_pquotino != NULLFSINO) { | |
535 | if (xfs_iget(mp, NULL, mp->m_sb.sb_pquotino, | |
536 | 0, 0, &pip) == 0) | |
537 | temppqip = true; | |
538 | } | |
539 | if (uip) { | |
540 | out->qs_uquota.qfs_nblks = uip->i_d.di_nblocks; | |
541 | out->qs_uquota.qfs_nextents = uip->i_d.di_nextents; | |
542 | if (tempuqip) | |
543 | IRELE(uip); | |
544 | } | |
545 | ||
546 | if (gip) { | |
547 | out->qs_gquota.qfs_nblks = gip->i_d.di_nblocks; | |
548 | out->qs_gquota.qfs_nextents = gip->i_d.di_nextents; | |
549 | if (tempgqip) | |
550 | IRELE(gip); | |
551 | } | |
552 | if (pip) { | |
553 | out->qs_pquota.qfs_nblks = pip->i_d.di_nblocks; | |
554 | out->qs_pquota.qfs_nextents = pip->i_d.di_nextents; | |
555 | if (temppqip) | |
d892d586 CS |
556 | IRELE(pip); |
557 | } | |
8a7b8a89 CH |
558 | if (q) { |
559 | out->qs_incoredqs = q->qi_dquots; | |
560 | out->qs_btimelimit = q->qi_btimelimit; | |
561 | out->qs_itimelimit = q->qi_itimelimit; | |
562 | out->qs_rtbtimelimit = q->qi_rtbtimelimit; | |
563 | out->qs_bwarnlimit = q->qi_bwarnlimit; | |
564 | out->qs_iwarnlimit = q->qi_iwarnlimit; | |
1da177e4 | 565 | } |
8a7b8a89 | 566 | return 0; |
1da177e4 LT |
567 | } |
568 | ||
c472b432 CH |
569 | #define XFS_DQ_MASK \ |
570 | (FS_DQ_LIMIT_MASK | FS_DQ_TIMER_MASK | FS_DQ_WARNS_MASK) | |
571 | ||
1da177e4 LT |
572 | /* |
573 | * Adjust quota limits, and start/stop timers accordingly. | |
574 | */ | |
fcafb71b | 575 | int |
1da177e4 | 576 | xfs_qm_scall_setqlim( |
b1366451 | 577 | struct xfs_mount *mp, |
1da177e4 LT |
578 | xfs_dqid_t id, |
579 | uint type, | |
580 | fs_disk_quota_t *newlim) | |
581 | { | |
8a7b8a89 | 582 | struct xfs_quotainfo *q = mp->m_quotainfo; |
b1366451 BF |
583 | struct xfs_disk_dquot *ddq; |
584 | struct xfs_dquot *dqp; | |
585 | struct xfs_trans *tp; | |
1da177e4 LT |
586 | int error; |
587 | xfs_qcnt_t hard, soft; | |
588 | ||
c472b432 | 589 | if (newlim->d_fieldmask & ~XFS_DQ_MASK) |
2451337d | 590 | return -EINVAL; |
c472b432 CH |
591 | if ((newlim->d_fieldmask & XFS_DQ_MASK) == 0) |
592 | return 0; | |
1da177e4 | 593 | |
1da177e4 LT |
594 | /* |
595 | * We don't want to race with a quotaoff so take the quotaoff lock. | |
f648167f DC |
596 | * We don't hold an inode lock, so there's nothing else to stop |
597 | * a quotaoff from happening. | |
1da177e4 | 598 | */ |
8a7b8a89 | 599 | mutex_lock(&q->qi_quotaofflock); |
1da177e4 LT |
600 | |
601 | /* | |
f648167f DC |
602 | * Get the dquot (locked) before we start, as we need to do a |
603 | * transaction to allocate it if it doesn't exist. Once we have the | |
604 | * dquot, unlock it so we can start the next transaction safely. We hold | |
605 | * a reference to the dquot, so it's safe to do this unlock/lock without | |
606 | * it being reclaimed in the mean time. | |
1da177e4 | 607 | */ |
f648167f DC |
608 | error = xfs_qm_dqget(mp, NULL, id, type, XFS_QMOPT_DQALLOC, &dqp); |
609 | if (error) { | |
2451337d | 610 | ASSERT(error != -ENOENT); |
8a7b8a89 | 611 | goto out_unlock; |
1da177e4 | 612 | } |
f648167f DC |
613 | xfs_dqunlock(dqp); |
614 | ||
615 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SETQLIM); | |
3d3c8b52 | 616 | error = xfs_trans_reserve(tp, &M_RES(mp)->tr_qm_setqlim, 0, 0); |
f648167f DC |
617 | if (error) { |
618 | xfs_trans_cancel(tp, 0); | |
619 | goto out_rele; | |
620 | } | |
621 | ||
622 | xfs_dqlock(dqp); | |
1da177e4 LT |
623 | xfs_trans_dqjoin(tp, dqp); |
624 | ddq = &dqp->q_core; | |
625 | ||
626 | /* | |
627 | * Make sure that hardlimits are >= soft limits before changing. | |
628 | */ | |
629 | hard = (newlim->d_fieldmask & FS_DQ_BHARD) ? | |
630 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_hardlimit) : | |
1149d96a | 631 | be64_to_cpu(ddq->d_blk_hardlimit); |
1da177e4 LT |
632 | soft = (newlim->d_fieldmask & FS_DQ_BSOFT) ? |
633 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_softlimit) : | |
1149d96a | 634 | be64_to_cpu(ddq->d_blk_softlimit); |
1da177e4 | 635 | if (hard == 0 || hard >= soft) { |
1149d96a CH |
636 | ddq->d_blk_hardlimit = cpu_to_be64(hard); |
637 | ddq->d_blk_softlimit = cpu_to_be64(soft); | |
b1366451 | 638 | xfs_dquot_set_prealloc_limits(dqp); |
1da177e4 | 639 | if (id == 0) { |
8a7b8a89 CH |
640 | q->qi_bhardlimit = hard; |
641 | q->qi_bsoftlimit = soft; | |
1da177e4 LT |
642 | } |
643 | } else { | |
08e96e1a | 644 | xfs_debug(mp, "blkhard %Ld < blksoft %Ld", hard, soft); |
1da177e4 LT |
645 | } |
646 | hard = (newlim->d_fieldmask & FS_DQ_RTBHARD) ? | |
647 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_rtb_hardlimit) : | |
1149d96a | 648 | be64_to_cpu(ddq->d_rtb_hardlimit); |
1da177e4 LT |
649 | soft = (newlim->d_fieldmask & FS_DQ_RTBSOFT) ? |
650 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_rtb_softlimit) : | |
1149d96a | 651 | be64_to_cpu(ddq->d_rtb_softlimit); |
1da177e4 | 652 | if (hard == 0 || hard >= soft) { |
1149d96a CH |
653 | ddq->d_rtb_hardlimit = cpu_to_be64(hard); |
654 | ddq->d_rtb_softlimit = cpu_to_be64(soft); | |
1da177e4 | 655 | if (id == 0) { |
8a7b8a89 CH |
656 | q->qi_rtbhardlimit = hard; |
657 | q->qi_rtbsoftlimit = soft; | |
1da177e4 LT |
658 | } |
659 | } else { | |
08e96e1a | 660 | xfs_debug(mp, "rtbhard %Ld < rtbsoft %Ld", hard, soft); |
1da177e4 LT |
661 | } |
662 | ||
663 | hard = (newlim->d_fieldmask & FS_DQ_IHARD) ? | |
664 | (xfs_qcnt_t) newlim->d_ino_hardlimit : | |
1149d96a | 665 | be64_to_cpu(ddq->d_ino_hardlimit); |
1da177e4 LT |
666 | soft = (newlim->d_fieldmask & FS_DQ_ISOFT) ? |
667 | (xfs_qcnt_t) newlim->d_ino_softlimit : | |
1149d96a | 668 | be64_to_cpu(ddq->d_ino_softlimit); |
1da177e4 | 669 | if (hard == 0 || hard >= soft) { |
1149d96a CH |
670 | ddq->d_ino_hardlimit = cpu_to_be64(hard); |
671 | ddq->d_ino_softlimit = cpu_to_be64(soft); | |
1da177e4 | 672 | if (id == 0) { |
8a7b8a89 CH |
673 | q->qi_ihardlimit = hard; |
674 | q->qi_isoftlimit = soft; | |
1da177e4 LT |
675 | } |
676 | } else { | |
08e96e1a | 677 | xfs_debug(mp, "ihard %Ld < isoft %Ld", hard, soft); |
1da177e4 LT |
678 | } |
679 | ||
754002b4 NS |
680 | /* |
681 | * Update warnings counter(s) if requested | |
682 | */ | |
683 | if (newlim->d_fieldmask & FS_DQ_BWARNS) | |
1149d96a | 684 | ddq->d_bwarns = cpu_to_be16(newlim->d_bwarns); |
754002b4 | 685 | if (newlim->d_fieldmask & FS_DQ_IWARNS) |
1149d96a | 686 | ddq->d_iwarns = cpu_to_be16(newlim->d_iwarns); |
754002b4 | 687 | if (newlim->d_fieldmask & FS_DQ_RTBWARNS) |
1149d96a | 688 | ddq->d_rtbwarns = cpu_to_be16(newlim->d_rtbwarns); |
754002b4 | 689 | |
1da177e4 LT |
690 | if (id == 0) { |
691 | /* | |
692 | * Timelimits for the super user set the relative time | |
693 | * the other users can be over quota for this file system. | |
694 | * If it is zero a default is used. Ditto for the default | |
754002b4 NS |
695 | * soft and hard limit values (already done, above), and |
696 | * for warnings. | |
1da177e4 LT |
697 | */ |
698 | if (newlim->d_fieldmask & FS_DQ_BTIMER) { | |
8a7b8a89 | 699 | q->qi_btimelimit = newlim->d_btimer; |
1149d96a | 700 | ddq->d_btimer = cpu_to_be32(newlim->d_btimer); |
1da177e4 LT |
701 | } |
702 | if (newlim->d_fieldmask & FS_DQ_ITIMER) { | |
8a7b8a89 | 703 | q->qi_itimelimit = newlim->d_itimer; |
1149d96a | 704 | ddq->d_itimer = cpu_to_be32(newlim->d_itimer); |
1da177e4 LT |
705 | } |
706 | if (newlim->d_fieldmask & FS_DQ_RTBTIMER) { | |
8a7b8a89 | 707 | q->qi_rtbtimelimit = newlim->d_rtbtimer; |
1149d96a | 708 | ddq->d_rtbtimer = cpu_to_be32(newlim->d_rtbtimer); |
1da177e4 | 709 | } |
754002b4 | 710 | if (newlim->d_fieldmask & FS_DQ_BWARNS) |
8a7b8a89 | 711 | q->qi_bwarnlimit = newlim->d_bwarns; |
754002b4 | 712 | if (newlim->d_fieldmask & FS_DQ_IWARNS) |
8a7b8a89 | 713 | q->qi_iwarnlimit = newlim->d_iwarns; |
754002b4 | 714 | if (newlim->d_fieldmask & FS_DQ_RTBWARNS) |
8a7b8a89 | 715 | q->qi_rtbwarnlimit = newlim->d_rtbwarns; |
754002b4 | 716 | } else { |
1da177e4 LT |
717 | /* |
718 | * If the user is now over quota, start the timelimit. | |
719 | * The user will not be 'warned'. | |
720 | * Note that we keep the timers ticking, whether enforcement | |
721 | * is on or off. We don't really want to bother with iterating | |
722 | * over all ondisk dquots and turning the timers on/off. | |
723 | */ | |
724 | xfs_qm_adjust_dqtimers(mp, ddq); | |
725 | } | |
726 | dqp->dq_flags |= XFS_DQ_DIRTY; | |
727 | xfs_trans_log_dquot(tp, dqp); | |
728 | ||
e5720eec | 729 | error = xfs_trans_commit(tp, 0); |
1da177e4 | 730 | |
f648167f DC |
731 | out_rele: |
732 | xfs_qm_dqrele(dqp); | |
733 | out_unlock: | |
8a7b8a89 | 734 | mutex_unlock(&q->qi_quotaofflock); |
e5720eec | 735 | return error; |
1da177e4 LT |
736 | } |
737 | ||
1da177e4 LT |
738 | STATIC int |
739 | xfs_qm_log_quotaoff_end( | |
740 | xfs_mount_t *mp, | |
741 | xfs_qoff_logitem_t *startqoff, | |
742 | uint flags) | |
743 | { | |
c8ad20ff | 744 | xfs_trans_t *tp; |
1da177e4 | 745 | int error; |
c8ad20ff | 746 | xfs_qoff_logitem_t *qoffi; |
1da177e4 LT |
747 | |
748 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF_END); | |
749 | ||
3d3c8b52 | 750 | error = xfs_trans_reserve(tp, &M_RES(mp)->tr_qm_equotaoff, 0, 0); |
762d7ba6 | 751 | if (error) { |
1da177e4 | 752 | xfs_trans_cancel(tp, 0); |
d99831ff | 753 | return error; |
1da177e4 LT |
754 | } |
755 | ||
756 | qoffi = xfs_trans_get_qoff_item(tp, startqoff, | |
757 | flags & XFS_ALL_QUOTA_ACCT); | |
758 | xfs_trans_log_quotaoff_item(tp, qoffi); | |
759 | ||
760 | /* | |
761 | * We have to make sure that the transaction is secure on disk before we | |
762 | * return and actually stop quota accounting. So, make it synchronous. | |
763 | * We don't care about quotoff's performance. | |
764 | */ | |
765 | xfs_trans_set_sync(tp); | |
1c72bf90 | 766 | error = xfs_trans_commit(tp, 0); |
d99831ff | 767 | return error; |
1da177e4 LT |
768 | } |
769 | ||
770 | ||
771 | STATIC int | |
772 | xfs_qm_log_quotaoff( | |
773 | xfs_mount_t *mp, | |
774 | xfs_qoff_logitem_t **qoffstartp, | |
775 | uint flags) | |
776 | { | |
777 | xfs_trans_t *tp; | |
778 | int error; | |
5d45ee1b BF |
779 | xfs_qoff_logitem_t *qoffi; |
780 | ||
781 | *qoffstartp = NULL; | |
1da177e4 LT |
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); |
5d45ee1b BF |
785 | if (error) { |
786 | xfs_trans_cancel(tp, 0); | |
787 | goto out; | |
788 | } | |
1da177e4 LT |
789 | |
790 | qoffi = xfs_trans_get_qoff_item(tp, NULL, flags & XFS_ALL_QUOTA_ACCT); | |
791 | xfs_trans_log_quotaoff_item(tp, qoffi); | |
792 | ||
3685c2a1 | 793 | spin_lock(&mp->m_sb_lock); |
1da177e4 | 794 | mp->m_sb.sb_qflags = (mp->m_qflags & ~(flags)) & XFS_MOUNT_QUOTA_ALL; |
3685c2a1 | 795 | spin_unlock(&mp->m_sb_lock); |
1da177e4 LT |
796 | |
797 | xfs_mod_sb(tp, XFS_SB_QFLAGS); | |
798 | ||
799 | /* | |
800 | * We have to make sure that the transaction is secure on disk before we | |
801 | * return and actually stop quota accounting. So, make it synchronous. | |
802 | * We don't care about quotoff's performance. | |
803 | */ | |
804 | xfs_trans_set_sync(tp); | |
1c72bf90 | 805 | error = xfs_trans_commit(tp, 0); |
5d45ee1b BF |
806 | if (error) |
807 | goto out; | |
1da177e4 | 808 | |
1da177e4 | 809 | *qoffstartp = qoffi; |
5d45ee1b | 810 | out: |
d99831ff | 811 | return error; |
1da177e4 LT |
812 | } |
813 | ||
814 | ||
18535a7e CH |
815 | int |
816 | xfs_qm_scall_getquota( | |
817 | struct xfs_mount *mp, | |
818 | xfs_dqid_t id, | |
819 | uint type, | |
1da177e4 LT |
820 | struct fs_disk_quota *dst) |
821 | { | |
18535a7e CH |
822 | struct xfs_dquot *dqp; |
823 | int error; | |
824 | ||
825 | /* | |
826 | * Try to get the dquot. We don't want it allocated on disk, so | |
827 | * we aren't passing the XFS_QMOPT_DOALLOC flag. If it doesn't | |
828 | * exist, we'll get ENOENT back. | |
829 | */ | |
830 | error = xfs_qm_dqget(mp, NULL, id, type, 0, &dqp); | |
831 | if (error) | |
832 | return error; | |
833 | ||
834 | /* | |
835 | * If everything's NULL, this dquot doesn't quite exist as far as | |
836 | * our utility programs are concerned. | |
837 | */ | |
838 | if (XFS_IS_DQUOT_UNINITIALIZED(dqp)) { | |
2451337d | 839 | error = -ENOENT; |
18535a7e CH |
840 | goto out_put; |
841 | } | |
842 | ||
1da177e4 | 843 | memset(dst, 0, sizeof(*dst)); |
18535a7e CH |
844 | dst->d_version = FS_DQUOT_VERSION; |
845 | dst->d_flags = xfs_qm_export_qtype_flags(dqp->q_core.d_flags); | |
846 | dst->d_id = be32_to_cpu(dqp->q_core.d_id); | |
1149d96a | 847 | dst->d_blk_hardlimit = |
18535a7e | 848 | XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_blk_hardlimit)); |
1149d96a | 849 | dst->d_blk_softlimit = |
18535a7e CH |
850 | XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_blk_softlimit)); |
851 | dst->d_ino_hardlimit = be64_to_cpu(dqp->q_core.d_ino_hardlimit); | |
852 | dst->d_ino_softlimit = be64_to_cpu(dqp->q_core.d_ino_softlimit); | |
89605011 CH |
853 | dst->d_bcount = XFS_FSB_TO_BB(mp, dqp->q_res_bcount); |
854 | dst->d_icount = dqp->q_res_icount; | |
18535a7e CH |
855 | dst->d_btimer = be32_to_cpu(dqp->q_core.d_btimer); |
856 | dst->d_itimer = be32_to_cpu(dqp->q_core.d_itimer); | |
857 | dst->d_iwarns = be16_to_cpu(dqp->q_core.d_iwarns); | |
858 | dst->d_bwarns = be16_to_cpu(dqp->q_core.d_bwarns); | |
1149d96a | 859 | dst->d_rtb_hardlimit = |
18535a7e | 860 | XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_rtb_hardlimit)); |
1149d96a | 861 | dst->d_rtb_softlimit = |
18535a7e | 862 | XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_rtb_softlimit)); |
89605011 | 863 | dst->d_rtbcount = XFS_FSB_TO_BB(mp, dqp->q_res_rtbcount); |
18535a7e CH |
864 | dst->d_rtbtimer = be32_to_cpu(dqp->q_core.d_rtbtimer); |
865 | dst->d_rtbwarns = be16_to_cpu(dqp->q_core.d_rtbwarns); | |
1da177e4 LT |
866 | |
867 | /* | |
868 | * Internally, we don't reset all the timers when quota enforcement | |
c41564b5 | 869 | * gets turned off. No need to confuse the user level code, |
1da177e4 LT |
870 | * so return zeroes in that case. |
871 | */ | |
83e782e1 CS |
872 | if ((!XFS_IS_UQUOTA_ENFORCED(mp) && |
873 | dqp->q_core.d_flags == XFS_DQ_USER) || | |
874 | (!XFS_IS_GQUOTA_ENFORCED(mp) && | |
875 | dqp->q_core.d_flags == XFS_DQ_GROUP) || | |
876 | (!XFS_IS_PQUOTA_ENFORCED(mp) && | |
877 | dqp->q_core.d_flags == XFS_DQ_PROJ)) { | |
1da177e4 LT |
878 | dst->d_btimer = 0; |
879 | dst->d_itimer = 0; | |
880 | dst->d_rtbtimer = 0; | |
881 | } | |
882 | ||
883 | #ifdef DEBUG | |
ade7ce31 | 884 | if (((XFS_IS_UQUOTA_ENFORCED(mp) && dst->d_flags == FS_USER_QUOTA) || |
83e782e1 CS |
885 | (XFS_IS_GQUOTA_ENFORCED(mp) && dst->d_flags == FS_GROUP_QUOTA) || |
886 | (XFS_IS_PQUOTA_ENFORCED(mp) && dst->d_flags == FS_PROJ_QUOTA)) && | |
e6d29426 | 887 | dst->d_id != 0) { |
f7555032 | 888 | if ((dst->d_bcount > dst->d_blk_softlimit) && |
1da177e4 LT |
889 | (dst->d_blk_softlimit > 0)) { |
890 | ASSERT(dst->d_btimer != 0); | |
891 | } | |
f7555032 | 892 | if ((dst->d_icount > dst->d_ino_softlimit) && |
1da177e4 LT |
893 | (dst->d_ino_softlimit > 0)) { |
894 | ASSERT(dst->d_itimer != 0); | |
895 | } | |
896 | } | |
897 | #endif | |
18535a7e CH |
898 | out_put: |
899 | xfs_qm_dqput(dqp); | |
900 | return error; | |
1da177e4 LT |
901 | } |
902 | ||
1da177e4 LT |
903 | STATIC uint |
904 | xfs_qm_export_qtype_flags( | |
905 | uint flags) | |
906 | { | |
907 | /* | |
c8ad20ff | 908 | * Can't be more than one, or none. |
1da177e4 | 909 | */ |
ade7ce31 CH |
910 | ASSERT((flags & (FS_PROJ_QUOTA | FS_USER_QUOTA)) != |
911 | (FS_PROJ_QUOTA | FS_USER_QUOTA)); | |
912 | ASSERT((flags & (FS_PROJ_QUOTA | FS_GROUP_QUOTA)) != | |
913 | (FS_PROJ_QUOTA | FS_GROUP_QUOTA)); | |
914 | ASSERT((flags & (FS_USER_QUOTA | FS_GROUP_QUOTA)) != | |
915 | (FS_USER_QUOTA | FS_GROUP_QUOTA)); | |
916 | ASSERT((flags & (FS_PROJ_QUOTA|FS_USER_QUOTA|FS_GROUP_QUOTA)) != 0); | |
1da177e4 LT |
917 | |
918 | return (flags & XFS_DQ_USER) ? | |
ade7ce31 CH |
919 | FS_USER_QUOTA : (flags & XFS_DQ_PROJ) ? |
920 | FS_PROJ_QUOTA : FS_GROUP_QUOTA; | |
1da177e4 LT |
921 | } |
922 | ||
1da177e4 LT |
923 | STATIC uint |
924 | xfs_qm_export_flags( | |
925 | uint flags) | |
926 | { | |
927 | uint uflags; | |
928 | ||
929 | uflags = 0; | |
930 | if (flags & XFS_UQUOTA_ACCT) | |
ade7ce31 | 931 | uflags |= FS_QUOTA_UDQ_ACCT; |
1da177e4 | 932 | if (flags & XFS_GQUOTA_ACCT) |
ade7ce31 | 933 | uflags |= FS_QUOTA_GDQ_ACCT; |
83e782e1 CS |
934 | if (flags & XFS_PQUOTA_ACCT) |
935 | uflags |= FS_QUOTA_PDQ_ACCT; | |
1da177e4 | 936 | if (flags & XFS_UQUOTA_ENFD) |
ade7ce31 | 937 | uflags |= FS_QUOTA_UDQ_ENFD; |
83e782e1 CS |
938 | if (flags & XFS_GQUOTA_ENFD) |
939 | uflags |= FS_QUOTA_GDQ_ENFD; | |
940 | if (flags & XFS_PQUOTA_ENFD) | |
941 | uflags |= FS_QUOTA_PDQ_ENFD; | |
d99831ff | 942 | return uflags; |
1da177e4 LT |
943 | } |
944 | ||
945 | ||
fe588ed3 CH |
946 | STATIC int |
947 | xfs_dqrele_inode( | |
948 | struct xfs_inode *ip, | |
a454f742 BF |
949 | int flags, |
950 | void *args) | |
1da177e4 | 951 | { |
fe588ed3 | 952 | /* skip quota inodes */ |
8a7b8a89 | 953 | if (ip == ip->i_mount->m_quotainfo->qi_uquotaip || |
92f8ff73 CS |
954 | ip == ip->i_mount->m_quotainfo->qi_gquotaip || |
955 | ip == ip->i_mount->m_quotainfo->qi_pquotaip) { | |
fe588ed3 CH |
956 | ASSERT(ip->i_udquot == NULL); |
957 | ASSERT(ip->i_gdquot == NULL); | |
92f8ff73 | 958 | ASSERT(ip->i_pdquot == NULL); |
fe588ed3 CH |
959 | return 0; |
960 | } | |
cb4f0d1d | 961 | |
fe588ed3 CH |
962 | xfs_ilock(ip, XFS_ILOCK_EXCL); |
963 | if ((flags & XFS_UQUOTA_ACCT) && ip->i_udquot) { | |
964 | xfs_qm_dqrele(ip->i_udquot); | |
965 | ip->i_udquot = NULL; | |
966 | } | |
92f8ff73 | 967 | if ((flags & XFS_GQUOTA_ACCT) && ip->i_gdquot) { |
fe588ed3 CH |
968 | xfs_qm_dqrele(ip->i_gdquot); |
969 | ip->i_gdquot = NULL; | |
970 | } | |
92f8ff73 CS |
971 | if ((flags & XFS_PQUOTA_ACCT) && ip->i_pdquot) { |
972 | xfs_qm_dqrele(ip->i_pdquot); | |
973 | ip->i_pdquot = NULL; | |
974 | } | |
f2d67614 | 975 | xfs_iunlock(ip, XFS_ILOCK_EXCL); |
fe588ed3 | 976 | return 0; |
5b4d89ae DC |
977 | } |
978 | ||
fe588ed3 | 979 | |
5b4d89ae DC |
980 | /* |
981 | * Go thru all the inodes in the file system, releasing their dquots. | |
fe588ed3 | 982 | * |
5b4d89ae | 983 | * Note that the mount structure gets modified to indicate that quotas are off |
fe588ed3 | 984 | * AFTER this, in the case of quotaoff. |
5b4d89ae DC |
985 | */ |
986 | void | |
987 | xfs_qm_dqrele_all_inodes( | |
988 | struct xfs_mount *mp, | |
989 | uint flags) | |
990 | { | |
5b4d89ae | 991 | ASSERT(mp->m_quotainfo); |
a454f742 | 992 | xfs_inode_ag_iterator(mp, xfs_dqrele_inode, flags, NULL); |
1da177e4 | 993 | } |