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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" |
a844f451 | 29 | #include "xfs_ag.h" |
1da177e4 | 30 | #include "xfs_alloc.h" |
1da177e4 LT |
31 | #include "xfs_quota.h" |
32 | #include "xfs_mount.h" | |
1da177e4 | 33 | #include "xfs_bmap_btree.h" |
1da177e4 | 34 | #include "xfs_inode.h" |
239880ef | 35 | #include "xfs_trans.h" |
673e8e59 | 36 | #include "xfs_inode_item.h" |
a844f451 | 37 | #include "xfs_itable.h" |
1da177e4 | 38 | #include "xfs_bmap.h" |
1da177e4 LT |
39 | #include "xfs_rtalloc.h" |
40 | #include "xfs_error.h" | |
1da177e4 LT |
41 | #include "xfs_attr.h" |
42 | #include "xfs_buf_item.h" | |
1da177e4 | 43 | #include "xfs_qm.h" |
0b1b213f | 44 | #include "xfs_trace.h" |
6d8b79cf | 45 | #include "xfs_icache.h" |
1da177e4 | 46 | |
1da177e4 LT |
47 | STATIC int xfs_qm_log_quotaoff(xfs_mount_t *, xfs_qoff_logitem_t **, uint); |
48 | STATIC int xfs_qm_log_quotaoff_end(xfs_mount_t *, xfs_qoff_logitem_t *, | |
49 | uint); | |
1da177e4 | 50 | STATIC uint xfs_qm_export_flags(uint); |
1da177e4 | 51 | STATIC uint xfs_qm_export_qtype_flags(uint); |
1da177e4 | 52 | |
1da177e4 LT |
53 | /* |
54 | * Turn off quota accounting and/or enforcement for all udquots and/or | |
55 | * gdquots. Called only at unmount time. | |
56 | * | |
57 | * This assumes that there are no dquots of this file system cached | |
58 | * incore, and modifies the ondisk dquot directly. Therefore, for example, | |
59 | * it is an error to call this twice, without purging the cache. | |
60 | */ | |
fcafb71b | 61 | int |
1da177e4 LT |
62 | xfs_qm_scall_quotaoff( |
63 | xfs_mount_t *mp, | |
fcafb71b | 64 | uint flags) |
1da177e4 | 65 | { |
8a7b8a89 | 66 | struct xfs_quotainfo *q = mp->m_quotainfo; |
1da177e4 | 67 | uint dqtype; |
1da177e4 LT |
68 | int error; |
69 | uint inactivate_flags; | |
70 | xfs_qoff_logitem_t *qoffstart; | |
1da177e4 | 71 | |
1da177e4 LT |
72 | /* |
73 | * No file system can have quotas enabled on disk but not in core. | |
74 | * Note that quota utilities (like quotaoff) _expect_ | |
75 | * errno == EEXIST here. | |
76 | */ | |
77 | if ((mp->m_qflags & flags) == 0) | |
78 | return XFS_ERROR(EEXIST); | |
79 | error = 0; | |
80 | ||
81 | flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD); | |
82 | ||
83 | /* | |
84 | * We don't want to deal with two quotaoffs messing up each other, | |
85 | * so we're going to serialize it. quotaoff isn't exactly a performance | |
86 | * critical thing. | |
87 | * If quotaoff, then we must be dealing with the root filesystem. | |
88 | */ | |
8a7b8a89 CH |
89 | ASSERT(q); |
90 | mutex_lock(&q->qi_quotaofflock); | |
1da177e4 LT |
91 | |
92 | /* | |
93 | * If we're just turning off quota enforcement, change mp and go. | |
94 | */ | |
95 | if ((flags & XFS_ALL_QUOTA_ACCT) == 0) { | |
96 | mp->m_qflags &= ~(flags); | |
97 | ||
3685c2a1 | 98 | spin_lock(&mp->m_sb_lock); |
1da177e4 | 99 | mp->m_sb.sb_qflags = mp->m_qflags; |
3685c2a1 | 100 | spin_unlock(&mp->m_sb_lock); |
8a7b8a89 | 101 | mutex_unlock(&q->qi_quotaofflock); |
1da177e4 LT |
102 | |
103 | /* XXX what to do if error ? Revert back to old vals incore ? */ | |
104 | error = xfs_qm_write_sb_changes(mp, XFS_SB_QFLAGS); | |
105 | return (error); | |
106 | } | |
107 | ||
108 | dqtype = 0; | |
109 | inactivate_flags = 0; | |
110 | /* | |
111 | * If accounting is off, we must turn enforcement off, clear the | |
112 | * quota 'CHKD' certificate to make it known that we have to | |
113 | * do a quotacheck the next time this quota is turned on. | |
114 | */ | |
115 | if (flags & XFS_UQUOTA_ACCT) { | |
116 | dqtype |= XFS_QMOPT_UQUOTA; | |
117 | flags |= (XFS_UQUOTA_CHKD | XFS_UQUOTA_ENFD); | |
118 | inactivate_flags |= XFS_UQUOTA_ACTIVE; | |
119 | } | |
120 | if (flags & XFS_GQUOTA_ACCT) { | |
121 | dqtype |= XFS_QMOPT_GQUOTA; | |
83e782e1 | 122 | flags |= (XFS_GQUOTA_CHKD | XFS_GQUOTA_ENFD); |
1da177e4 | 123 | inactivate_flags |= XFS_GQUOTA_ACTIVE; |
92f8ff73 CS |
124 | } |
125 | if (flags & XFS_PQUOTA_ACCT) { | |
c8ad20ff | 126 | dqtype |= XFS_QMOPT_PQUOTA; |
83e782e1 | 127 | flags |= (XFS_PQUOTA_CHKD | XFS_PQUOTA_ENFD); |
c8ad20ff | 128 | inactivate_flags |= XFS_PQUOTA_ACTIVE; |
1da177e4 LT |
129 | } |
130 | ||
131 | /* | |
132 | * Nothing to do? Don't complain. This happens when we're just | |
133 | * turning off quota enforcement. | |
134 | */ | |
8a7b8a89 CH |
135 | if ((mp->m_qflags & flags) == 0) |
136 | goto out_unlock; | |
1da177e4 LT |
137 | |
138 | /* | |
139 | * Write the LI_QUOTAOFF log record, and do SB changes atomically, | |
cb6edc26 DC |
140 | * and synchronously. If we fail to write, we should abort the |
141 | * operation as it cannot be recovered safely if we crash. | |
1da177e4 | 142 | */ |
cb6edc26 DC |
143 | error = xfs_qm_log_quotaoff(mp, &qoffstart, flags); |
144 | if (error) | |
8a7b8a89 | 145 | goto out_unlock; |
1da177e4 LT |
146 | |
147 | /* | |
148 | * Next we clear the XFS_MOUNT_*DQ_ACTIVE bit(s) in the mount struct | |
149 | * to take care of the race between dqget and quotaoff. We don't take | |
150 | * any special locks to reset these bits. All processes need to check | |
151 | * these bits *after* taking inode lock(s) to see if the particular | |
152 | * quota type is in the process of being turned off. If *ACTIVE, it is | |
153 | * guaranteed that all dquot structures and all quotainode ptrs will all | |
154 | * stay valid as long as that inode is kept locked. | |
155 | * | |
156 | * There is no turning back after this. | |
157 | */ | |
158 | mp->m_qflags &= ~inactivate_flags; | |
159 | ||
160 | /* | |
161 | * Give back all the dquot reference(s) held by inodes. | |
162 | * Here we go thru every single incore inode in this file system, and | |
163 | * do a dqrele on the i_udquot/i_gdquot that it may have. | |
164 | * Essentially, as long as somebody has an inode locked, this guarantees | |
165 | * that quotas will not be turned off. This is handy because in a | |
166 | * transaction once we lock the inode(s) and check for quotaon, we can | |
167 | * depend on the quota inodes (and other things) being valid as long as | |
168 | * we keep the lock(s). | |
169 | */ | |
170 | xfs_qm_dqrele_all_inodes(mp, flags); | |
171 | ||
172 | /* | |
173 | * Next we make the changes in the quota flag in the mount struct. | |
174 | * This isn't protected by a particular lock directly, because we | |
25985edc | 175 | * don't want to take a mrlock every time we depend on quotas being on. |
1da177e4 | 176 | */ |
b84a3a96 | 177 | mp->m_qflags &= ~flags; |
1da177e4 LT |
178 | |
179 | /* | |
180 | * Go through all the dquots of this file system and purge them, | |
b84a3a96 | 181 | * according to what was turned off. |
1da177e4 | 182 | */ |
b84a3a96 | 183 | xfs_qm_dqpurge_all(mp, dqtype); |
1da177e4 LT |
184 | |
185 | /* | |
186 | * Transactions that had started before ACTIVE state bit was cleared | |
187 | * could have logged many dquots, so they'd have higher LSNs than | |
188 | * the first QUOTAOFF log record does. If we happen to crash when | |
189 | * the tail of the log has gone past the QUOTAOFF record, but | |
190 | * before the last dquot modification, those dquots __will__ | |
191 | * recover, and that's not good. | |
192 | * | |
193 | * So, we have QUOTAOFF start and end logitems; the start | |
194 | * logitem won't get overwritten until the end logitem appears... | |
195 | */ | |
cb6edc26 DC |
196 | error = xfs_qm_log_quotaoff_end(mp, qoffstart, flags); |
197 | if (error) { | |
198 | /* We're screwed now. Shutdown is the only option. */ | |
199 | xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE); | |
8a7b8a89 | 200 | goto out_unlock; |
cb6edc26 | 201 | } |
1da177e4 LT |
202 | |
203 | /* | |
c31ad439 | 204 | * If all quotas are completely turned off, close shop. |
1da177e4 | 205 | */ |
c31ad439 | 206 | if (mp->m_qflags == 0) { |
8a7b8a89 | 207 | mutex_unlock(&q->qi_quotaofflock); |
1da177e4 LT |
208 | xfs_qm_destroy_quotainfo(mp); |
209 | return (0); | |
210 | } | |
211 | ||
212 | /* | |
8a7b8a89 | 213 | * Release our quotainode references if we don't need them anymore. |
1da177e4 | 214 | */ |
8a7b8a89 CH |
215 | if ((dqtype & XFS_QMOPT_UQUOTA) && q->qi_uquotaip) { |
216 | IRELE(q->qi_uquotaip); | |
217 | q->qi_uquotaip = NULL; | |
1da177e4 | 218 | } |
92f8ff73 | 219 | if ((dqtype & XFS_QMOPT_GQUOTA) && q->qi_gquotaip) { |
8a7b8a89 CH |
220 | IRELE(q->qi_gquotaip); |
221 | q->qi_gquotaip = NULL; | |
1da177e4 | 222 | } |
92f8ff73 CS |
223 | if ((dqtype & XFS_QMOPT_PQUOTA) && q->qi_pquotaip) { |
224 | IRELE(q->qi_pquotaip); | |
225 | q->qi_pquotaip = NULL; | |
226 | } | |
1da177e4 | 227 | |
8a7b8a89 CH |
228 | out_unlock: |
229 | mutex_unlock(&q->qi_quotaofflock); | |
230 | return error; | |
1da177e4 LT |
231 | } |
232 | ||
5d18898b CH |
233 | STATIC int |
234 | xfs_qm_scall_trunc_qfile( | |
235 | struct xfs_mount *mp, | |
236 | xfs_ino_t ino) | |
237 | { | |
238 | struct xfs_inode *ip; | |
239 | struct xfs_trans *tp; | |
240 | int error; | |
241 | ||
242 | if (ino == NULLFSINO) | |
243 | return 0; | |
244 | ||
245 | error = xfs_iget(mp, NULL, ino, 0, 0, &ip); | |
246 | if (error) | |
247 | return error; | |
248 | ||
249 | xfs_ilock(ip, XFS_IOLOCK_EXCL); | |
250 | ||
251 | tp = xfs_trans_alloc(mp, XFS_TRANS_TRUNCATE_FILE); | |
3d3c8b52 | 252 | error = xfs_trans_reserve(tp, &M_RES(mp)->tr_itruncate, 0, 0); |
5d18898b CH |
253 | if (error) { |
254 | xfs_trans_cancel(tp, 0); | |
255 | xfs_iunlock(ip, XFS_IOLOCK_EXCL); | |
256 | goto out_put; | |
257 | } | |
258 | ||
259 | xfs_ilock(ip, XFS_ILOCK_EXCL); | |
ddc3415a | 260 | xfs_trans_ijoin(tp, ip, 0); |
5d18898b | 261 | |
673e8e59 | 262 | ip->i_d.di_size = 0; |
673e8e59 CH |
263 | xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); |
264 | ||
265 | error = xfs_itruncate_extents(&tp, ip, XFS_DATA_FORK, 0); | |
5d18898b CH |
266 | if (error) { |
267 | xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES | | |
268 | XFS_TRANS_ABORT); | |
269 | goto out_unlock; | |
270 | } | |
271 | ||
673e8e59 CH |
272 | ASSERT(ip->i_d.di_nextents == 0); |
273 | ||
dcd79a14 | 274 | xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); |
5d18898b CH |
275 | error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); |
276 | ||
277 | out_unlock: | |
278 | xfs_iunlock(ip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL); | |
279 | out_put: | |
280 | IRELE(ip); | |
281 | return error; | |
282 | } | |
283 | ||
fcafb71b | 284 | int |
1da177e4 LT |
285 | xfs_qm_scall_trunc_qfiles( |
286 | xfs_mount_t *mp, | |
287 | uint flags) | |
288 | { | |
88ab0208 | 289 | int error = 0, error2 = 0; |
1da177e4 | 290 | |
62118709 | 291 | if (!xfs_sb_version_hasquota(&mp->m_sb) || flags == 0) { |
08e96e1a | 292 | xfs_debug(mp, "%s: flags=%x m_qflags=%x", |
8221112b | 293 | __func__, flags, mp->m_qflags); |
1da177e4 LT |
294 | return XFS_ERROR(EINVAL); |
295 | } | |
296 | ||
5d18898b CH |
297 | if (flags & XFS_DQ_USER) |
298 | error = xfs_qm_scall_trunc_qfile(mp, mp->m_sb.sb_uquotino); | |
d892d586 | 299 | if (flags & XFS_DQ_GROUP) |
5d18898b | 300 | error2 = xfs_qm_scall_trunc_qfile(mp, mp->m_sb.sb_gquotino); |
d892d586 CS |
301 | if (flags & XFS_DQ_PROJ) |
302 | error2 = xfs_qm_scall_trunc_qfile(mp, mp->m_sb.sb_pquotino); | |
1da177e4 | 303 | |
88ab0208 | 304 | return error ? error : error2; |
1da177e4 LT |
305 | } |
306 | ||
1da177e4 LT |
307 | /* |
308 | * Switch on (a given) quota enforcement for a filesystem. This takes | |
309 | * effect immediately. | |
310 | * (Switching on quota accounting must be done at mount time.) | |
311 | */ | |
fcafb71b | 312 | int |
1da177e4 LT |
313 | xfs_qm_scall_quotaon( |
314 | xfs_mount_t *mp, | |
315 | uint flags) | |
316 | { | |
317 | int error; | |
1da177e4 | 318 | uint qf; |
1da177e4 LT |
319 | __int64_t sbflags; |
320 | ||
1da177e4 LT |
321 | flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD); |
322 | /* | |
323 | * Switching on quota accounting must be done at mount time. | |
324 | */ | |
1da177e4 LT |
325 | flags &= ~(XFS_ALL_QUOTA_ACCT); |
326 | ||
327 | sbflags = 0; | |
328 | ||
329 | if (flags == 0) { | |
08e96e1a | 330 | xfs_debug(mp, "%s: zero flags, m_qflags=%x", |
8221112b | 331 | __func__, mp->m_qflags); |
1da177e4 LT |
332 | return XFS_ERROR(EINVAL); |
333 | } | |
334 | ||
335 | /* No fs can turn on quotas with a delayed effect */ | |
336 | ASSERT((flags & XFS_ALL_QUOTA_ACCT) == 0); | |
337 | ||
338 | /* | |
339 | * Can't enforce without accounting. We check the superblock | |
340 | * qflags here instead of m_qflags because rootfs can have | |
341 | * quota acct on ondisk without m_qflags' knowing. | |
342 | */ | |
343 | if (((flags & XFS_UQUOTA_ACCT) == 0 && | |
83e782e1 CS |
344 | (mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) == 0 && |
345 | (flags & XFS_UQUOTA_ENFD)) || | |
346 | ((flags & XFS_GQUOTA_ACCT) == 0 && | |
347 | (mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) == 0 && | |
348 | (flags & XFS_GQUOTA_ENFD)) || | |
c8ad20ff | 349 | ((flags & XFS_PQUOTA_ACCT) == 0 && |
83e782e1 CS |
350 | (mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) == 0 && |
351 | (flags & XFS_PQUOTA_ENFD))) { | |
8221112b | 352 | xfs_debug(mp, |
08e96e1a | 353 | "%s: Can't enforce without acct, flags=%x sbflags=%x", |
8221112b | 354 | __func__, flags, mp->m_sb.sb_qflags); |
1da177e4 LT |
355 | return XFS_ERROR(EINVAL); |
356 | } | |
357 | /* | |
25985edc | 358 | * If everything's up to-date incore, then don't waste time. |
1da177e4 LT |
359 | */ |
360 | if ((mp->m_qflags & flags) == flags) | |
361 | return XFS_ERROR(EEXIST); | |
362 | ||
363 | /* | |
364 | * Change sb_qflags on disk but not incore mp->qflags | |
365 | * if this is the root filesystem. | |
366 | */ | |
3685c2a1 | 367 | spin_lock(&mp->m_sb_lock); |
1da177e4 LT |
368 | qf = mp->m_sb.sb_qflags; |
369 | mp->m_sb.sb_qflags = qf | flags; | |
3685c2a1 | 370 | spin_unlock(&mp->m_sb_lock); |
1da177e4 LT |
371 | |
372 | /* | |
373 | * There's nothing to change if it's the same. | |
374 | */ | |
375 | if ((qf & flags) == flags && sbflags == 0) | |
376 | return XFS_ERROR(EEXIST); | |
377 | sbflags |= XFS_SB_QFLAGS; | |
378 | ||
379 | if ((error = xfs_qm_write_sb_changes(mp, sbflags))) | |
380 | return (error); | |
381 | /* | |
382 | * If we aren't trying to switch on quota enforcement, we are done. | |
383 | */ | |
384 | if (((mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) != | |
385 | (mp->m_qflags & XFS_UQUOTA_ACCT)) || | |
c8ad20ff NS |
386 | ((mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) != |
387 | (mp->m_qflags & XFS_PQUOTA_ACCT)) || | |
388 | ((mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) != | |
389 | (mp->m_qflags & XFS_GQUOTA_ACCT)) || | |
1da177e4 LT |
390 | (flags & XFS_ALL_QUOTA_ENFD) == 0) |
391 | return (0); | |
392 | ||
393 | if (! XFS_IS_QUOTA_RUNNING(mp)) | |
394 | return XFS_ERROR(ESRCH); | |
395 | ||
396 | /* | |
397 | * Switch on quota enforcement in core. | |
398 | */ | |
8a7b8a89 | 399 | mutex_lock(&mp->m_quotainfo->qi_quotaofflock); |
1da177e4 | 400 | mp->m_qflags |= (flags & XFS_ALL_QUOTA_ENFD); |
8a7b8a89 | 401 | mutex_unlock(&mp->m_quotainfo->qi_quotaofflock); |
1da177e4 LT |
402 | |
403 | return (0); | |
404 | } | |
405 | ||
406 | ||
1da177e4 LT |
407 | /* |
408 | * Return quota status information, such as uquota-off, enforcements, etc. | |
5d5e3d57 | 409 | * for Q_XGETQSTAT command. |
1da177e4 | 410 | */ |
fcafb71b | 411 | int |
1da177e4 | 412 | xfs_qm_scall_getqstat( |
8a7b8a89 CH |
413 | struct xfs_mount *mp, |
414 | struct fs_quota_stat *out) | |
1da177e4 | 415 | { |
8a7b8a89 | 416 | struct xfs_quotainfo *q = mp->m_quotainfo; |
113a5683 CS |
417 | struct xfs_inode *uip = NULL; |
418 | struct xfs_inode *gip = NULL; | |
d892d586 | 419 | struct xfs_inode *pip = NULL; |
113a5683 CS |
420 | bool tempuqip = false; |
421 | bool tempgqip = false; | |
d892d586 | 422 | bool temppqip = false; |
1da177e4 | 423 | |
1da177e4 LT |
424 | memset(out, 0, sizeof(fs_quota_stat_t)); |
425 | ||
426 | out->qs_version = FS_QSTAT_VERSION; | |
62118709 | 427 | if (!xfs_sb_version_hasquota(&mp->m_sb)) { |
1da177e4 LT |
428 | out->qs_uquota.qfs_ino = NULLFSINO; |
429 | out->qs_gquota.qfs_ino = NULLFSINO; | |
430 | return (0); | |
431 | } | |
d892d586 | 432 | |
1da177e4 LT |
433 | out->qs_flags = (__uint16_t) xfs_qm_export_flags(mp->m_qflags & |
434 | (XFS_ALL_QUOTA_ACCT| | |
435 | XFS_ALL_QUOTA_ENFD)); | |
8a7b8a89 CH |
436 | if (q) { |
437 | uip = q->qi_uquotaip; | |
438 | gip = q->qi_gquotaip; | |
d892d586 | 439 | pip = q->qi_pquotaip; |
1da177e4 LT |
440 | } |
441 | if (!uip && mp->m_sb.sb_uquotino != NULLFSINO) { | |
442 | if (xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, | |
7b6259e7 | 443 | 0, 0, &uip) == 0) |
667a9291 | 444 | tempuqip = true; |
1da177e4 LT |
445 | } |
446 | if (!gip && mp->m_sb.sb_gquotino != NULLFSINO) { | |
447 | if (xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, | |
7b6259e7 | 448 | 0, 0, &gip) == 0) |
667a9291 | 449 | tempgqip = true; |
1da177e4 | 450 | } |
d892d586 CS |
451 | /* |
452 | * Q_XGETQSTAT doesn't have room for both group and project quotas. | |
453 | * So, allow the project quota values to be copied out only if | |
454 | * there is no group quota information available. | |
455 | */ | |
456 | if (!gip) { | |
457 | if (!pip && mp->m_sb.sb_pquotino != NULLFSINO) { | |
458 | if (xfs_iget(mp, NULL, mp->m_sb.sb_pquotino, | |
459 | 0, 0, &pip) == 0) | |
460 | temppqip = true; | |
461 | } | |
462 | } else | |
463 | pip = NULL; | |
1da177e4 | 464 | if (uip) { |
d892d586 | 465 | out->qs_uquota.qfs_ino = mp->m_sb.sb_uquotino; |
1da177e4 LT |
466 | out->qs_uquota.qfs_nblks = uip->i_d.di_nblocks; |
467 | out->qs_uquota.qfs_nextents = uip->i_d.di_nextents; | |
468 | if (tempuqip) | |
43355099 | 469 | IRELE(uip); |
1da177e4 | 470 | } |
d892d586 | 471 | |
1da177e4 | 472 | if (gip) { |
d892d586 | 473 | out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino; |
1da177e4 LT |
474 | out->qs_gquota.qfs_nblks = gip->i_d.di_nblocks; |
475 | out->qs_gquota.qfs_nextents = gip->i_d.di_nextents; | |
476 | if (tempgqip) | |
43355099 | 477 | IRELE(gip); |
1da177e4 | 478 | } |
d892d586 CS |
479 | if (pip) { |
480 | out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino; | |
481 | out->qs_gquota.qfs_nblks = pip->i_d.di_nblocks; | |
482 | out->qs_gquota.qfs_nextents = pip->i_d.di_nextents; | |
483 | if (temppqip) | |
5d5e3d57 CS |
484 | IRELE(pip); |
485 | } | |
486 | if (q) { | |
487 | out->qs_incoredqs = q->qi_dquots; | |
488 | out->qs_btimelimit = q->qi_btimelimit; | |
489 | out->qs_itimelimit = q->qi_itimelimit; | |
490 | out->qs_rtbtimelimit = q->qi_rtbtimelimit; | |
491 | out->qs_bwarnlimit = q->qi_bwarnlimit; | |
492 | out->qs_iwarnlimit = q->qi_iwarnlimit; | |
493 | } | |
494 | return 0; | |
495 | } | |
496 | ||
497 | /* | |
498 | * Return quota status information, such as uquota-off, enforcements, etc. | |
499 | * for Q_XGETQSTATV command, to support separate project quota field. | |
500 | */ | |
501 | int | |
502 | xfs_qm_scall_getqstatv( | |
503 | struct xfs_mount *mp, | |
504 | struct fs_quota_statv *out) | |
505 | { | |
506 | struct xfs_quotainfo *q = mp->m_quotainfo; | |
507 | struct xfs_inode *uip = NULL; | |
508 | struct xfs_inode *gip = NULL; | |
509 | struct xfs_inode *pip = NULL; | |
510 | bool tempuqip = false; | |
511 | bool tempgqip = false; | |
512 | bool temppqip = false; | |
513 | ||
514 | if (!xfs_sb_version_hasquota(&mp->m_sb)) { | |
515 | out->qs_uquota.qfs_ino = NULLFSINO; | |
516 | out->qs_gquota.qfs_ino = NULLFSINO; | |
517 | out->qs_pquota.qfs_ino = NULLFSINO; | |
518 | return (0); | |
519 | } | |
520 | ||
521 | out->qs_flags = (__uint16_t) xfs_qm_export_flags(mp->m_qflags & | |
522 | (XFS_ALL_QUOTA_ACCT| | |
523 | XFS_ALL_QUOTA_ENFD)); | |
524 | out->qs_uquota.qfs_ino = mp->m_sb.sb_uquotino; | |
525 | out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino; | |
526 | out->qs_pquota.qfs_ino = mp->m_sb.sb_pquotino; | |
527 | ||
528 | if (q) { | |
529 | uip = q->qi_uquotaip; | |
530 | gip = q->qi_gquotaip; | |
531 | pip = q->qi_pquotaip; | |
532 | } | |
533 | if (!uip && mp->m_sb.sb_uquotino != NULLFSINO) { | |
534 | if (xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, | |
535 | 0, 0, &uip) == 0) | |
536 | tempuqip = true; | |
537 | } | |
538 | if (!gip && mp->m_sb.sb_gquotino != NULLFSINO) { | |
539 | if (xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, | |
540 | 0, 0, &gip) == 0) | |
541 | tempgqip = true; | |
542 | } | |
543 | if (!pip && mp->m_sb.sb_pquotino != NULLFSINO) { | |
544 | if (xfs_iget(mp, NULL, mp->m_sb.sb_pquotino, | |
545 | 0, 0, &pip) == 0) | |
546 | temppqip = true; | |
547 | } | |
548 | if (uip) { | |
549 | out->qs_uquota.qfs_nblks = uip->i_d.di_nblocks; | |
550 | out->qs_uquota.qfs_nextents = uip->i_d.di_nextents; | |
551 | if (tempuqip) | |
552 | IRELE(uip); | |
553 | } | |
554 | ||
555 | if (gip) { | |
556 | out->qs_gquota.qfs_nblks = gip->i_d.di_nblocks; | |
557 | out->qs_gquota.qfs_nextents = gip->i_d.di_nextents; | |
558 | if (tempgqip) | |
559 | IRELE(gip); | |
560 | } | |
561 | if (pip) { | |
562 | out->qs_pquota.qfs_nblks = pip->i_d.di_nblocks; | |
563 | out->qs_pquota.qfs_nextents = pip->i_d.di_nextents; | |
564 | if (temppqip) | |
d892d586 CS |
565 | IRELE(pip); |
566 | } | |
8a7b8a89 CH |
567 | if (q) { |
568 | out->qs_incoredqs = q->qi_dquots; | |
569 | out->qs_btimelimit = q->qi_btimelimit; | |
570 | out->qs_itimelimit = q->qi_itimelimit; | |
571 | out->qs_rtbtimelimit = q->qi_rtbtimelimit; | |
572 | out->qs_bwarnlimit = q->qi_bwarnlimit; | |
573 | out->qs_iwarnlimit = q->qi_iwarnlimit; | |
1da177e4 | 574 | } |
8a7b8a89 | 575 | return 0; |
1da177e4 LT |
576 | } |
577 | ||
c472b432 CH |
578 | #define XFS_DQ_MASK \ |
579 | (FS_DQ_LIMIT_MASK | FS_DQ_TIMER_MASK | FS_DQ_WARNS_MASK) | |
580 | ||
1da177e4 LT |
581 | /* |
582 | * Adjust quota limits, and start/stop timers accordingly. | |
583 | */ | |
fcafb71b | 584 | int |
1da177e4 | 585 | xfs_qm_scall_setqlim( |
b1366451 | 586 | struct xfs_mount *mp, |
1da177e4 LT |
587 | xfs_dqid_t id, |
588 | uint type, | |
589 | fs_disk_quota_t *newlim) | |
590 | { | |
8a7b8a89 | 591 | struct xfs_quotainfo *q = mp->m_quotainfo; |
b1366451 BF |
592 | struct xfs_disk_dquot *ddq; |
593 | struct xfs_dquot *dqp; | |
594 | struct xfs_trans *tp; | |
1da177e4 LT |
595 | int error; |
596 | xfs_qcnt_t hard, soft; | |
597 | ||
c472b432 CH |
598 | if (newlim->d_fieldmask & ~XFS_DQ_MASK) |
599 | return EINVAL; | |
600 | if ((newlim->d_fieldmask & XFS_DQ_MASK) == 0) | |
601 | return 0; | |
1da177e4 | 602 | |
1da177e4 LT |
603 | /* |
604 | * We don't want to race with a quotaoff so take the quotaoff lock. | |
f648167f DC |
605 | * We don't hold an inode lock, so there's nothing else to stop |
606 | * a quotaoff from happening. | |
1da177e4 | 607 | */ |
8a7b8a89 | 608 | mutex_lock(&q->qi_quotaofflock); |
1da177e4 LT |
609 | |
610 | /* | |
f648167f DC |
611 | * Get the dquot (locked) before we start, as we need to do a |
612 | * transaction to allocate it if it doesn't exist. Once we have the | |
613 | * dquot, unlock it so we can start the next transaction safely. We hold | |
614 | * a reference to the dquot, so it's safe to do this unlock/lock without | |
615 | * it being reclaimed in the mean time. | |
1da177e4 | 616 | */ |
f648167f DC |
617 | error = xfs_qm_dqget(mp, NULL, id, type, XFS_QMOPT_DQALLOC, &dqp); |
618 | if (error) { | |
1da177e4 | 619 | ASSERT(error != ENOENT); |
8a7b8a89 | 620 | goto out_unlock; |
1da177e4 | 621 | } |
f648167f DC |
622 | xfs_dqunlock(dqp); |
623 | ||
624 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SETQLIM); | |
3d3c8b52 | 625 | error = xfs_trans_reserve(tp, &M_RES(mp)->tr_qm_setqlim, 0, 0); |
f648167f DC |
626 | if (error) { |
627 | xfs_trans_cancel(tp, 0); | |
628 | goto out_rele; | |
629 | } | |
630 | ||
631 | xfs_dqlock(dqp); | |
1da177e4 LT |
632 | xfs_trans_dqjoin(tp, dqp); |
633 | ddq = &dqp->q_core; | |
634 | ||
635 | /* | |
636 | * Make sure that hardlimits are >= soft limits before changing. | |
637 | */ | |
638 | hard = (newlim->d_fieldmask & FS_DQ_BHARD) ? | |
639 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_hardlimit) : | |
1149d96a | 640 | be64_to_cpu(ddq->d_blk_hardlimit); |
1da177e4 LT |
641 | soft = (newlim->d_fieldmask & FS_DQ_BSOFT) ? |
642 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_softlimit) : | |
1149d96a | 643 | be64_to_cpu(ddq->d_blk_softlimit); |
1da177e4 | 644 | if (hard == 0 || hard >= soft) { |
1149d96a CH |
645 | ddq->d_blk_hardlimit = cpu_to_be64(hard); |
646 | ddq->d_blk_softlimit = cpu_to_be64(soft); | |
b1366451 | 647 | xfs_dquot_set_prealloc_limits(dqp); |
1da177e4 | 648 | if (id == 0) { |
8a7b8a89 CH |
649 | q->qi_bhardlimit = hard; |
650 | q->qi_bsoftlimit = soft; | |
1da177e4 LT |
651 | } |
652 | } else { | |
08e96e1a | 653 | xfs_debug(mp, "blkhard %Ld < blksoft %Ld", hard, soft); |
1da177e4 LT |
654 | } |
655 | hard = (newlim->d_fieldmask & FS_DQ_RTBHARD) ? | |
656 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_rtb_hardlimit) : | |
1149d96a | 657 | be64_to_cpu(ddq->d_rtb_hardlimit); |
1da177e4 LT |
658 | soft = (newlim->d_fieldmask & FS_DQ_RTBSOFT) ? |
659 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_rtb_softlimit) : | |
1149d96a | 660 | be64_to_cpu(ddq->d_rtb_softlimit); |
1da177e4 | 661 | if (hard == 0 || hard >= soft) { |
1149d96a CH |
662 | ddq->d_rtb_hardlimit = cpu_to_be64(hard); |
663 | ddq->d_rtb_softlimit = cpu_to_be64(soft); | |
1da177e4 | 664 | if (id == 0) { |
8a7b8a89 CH |
665 | q->qi_rtbhardlimit = hard; |
666 | q->qi_rtbsoftlimit = soft; | |
1da177e4 LT |
667 | } |
668 | } else { | |
08e96e1a | 669 | xfs_debug(mp, "rtbhard %Ld < rtbsoft %Ld", hard, soft); |
1da177e4 LT |
670 | } |
671 | ||
672 | hard = (newlim->d_fieldmask & FS_DQ_IHARD) ? | |
673 | (xfs_qcnt_t) newlim->d_ino_hardlimit : | |
1149d96a | 674 | be64_to_cpu(ddq->d_ino_hardlimit); |
1da177e4 LT |
675 | soft = (newlim->d_fieldmask & FS_DQ_ISOFT) ? |
676 | (xfs_qcnt_t) newlim->d_ino_softlimit : | |
1149d96a | 677 | be64_to_cpu(ddq->d_ino_softlimit); |
1da177e4 | 678 | if (hard == 0 || hard >= soft) { |
1149d96a CH |
679 | ddq->d_ino_hardlimit = cpu_to_be64(hard); |
680 | ddq->d_ino_softlimit = cpu_to_be64(soft); | |
1da177e4 | 681 | if (id == 0) { |
8a7b8a89 CH |
682 | q->qi_ihardlimit = hard; |
683 | q->qi_isoftlimit = soft; | |
1da177e4 LT |
684 | } |
685 | } else { | |
08e96e1a | 686 | xfs_debug(mp, "ihard %Ld < isoft %Ld", hard, soft); |
1da177e4 LT |
687 | } |
688 | ||
754002b4 NS |
689 | /* |
690 | * Update warnings counter(s) if requested | |
691 | */ | |
692 | if (newlim->d_fieldmask & FS_DQ_BWARNS) | |
1149d96a | 693 | ddq->d_bwarns = cpu_to_be16(newlim->d_bwarns); |
754002b4 | 694 | if (newlim->d_fieldmask & FS_DQ_IWARNS) |
1149d96a | 695 | ddq->d_iwarns = cpu_to_be16(newlim->d_iwarns); |
754002b4 | 696 | if (newlim->d_fieldmask & FS_DQ_RTBWARNS) |
1149d96a | 697 | ddq->d_rtbwarns = cpu_to_be16(newlim->d_rtbwarns); |
754002b4 | 698 | |
1da177e4 LT |
699 | if (id == 0) { |
700 | /* | |
701 | * Timelimits for the super user set the relative time | |
702 | * the other users can be over quota for this file system. | |
703 | * If it is zero a default is used. Ditto for the default | |
754002b4 NS |
704 | * soft and hard limit values (already done, above), and |
705 | * for warnings. | |
1da177e4 LT |
706 | */ |
707 | if (newlim->d_fieldmask & FS_DQ_BTIMER) { | |
8a7b8a89 | 708 | q->qi_btimelimit = newlim->d_btimer; |
1149d96a | 709 | ddq->d_btimer = cpu_to_be32(newlim->d_btimer); |
1da177e4 LT |
710 | } |
711 | if (newlim->d_fieldmask & FS_DQ_ITIMER) { | |
8a7b8a89 | 712 | q->qi_itimelimit = newlim->d_itimer; |
1149d96a | 713 | ddq->d_itimer = cpu_to_be32(newlim->d_itimer); |
1da177e4 LT |
714 | } |
715 | if (newlim->d_fieldmask & FS_DQ_RTBTIMER) { | |
8a7b8a89 | 716 | q->qi_rtbtimelimit = newlim->d_rtbtimer; |
1149d96a | 717 | ddq->d_rtbtimer = cpu_to_be32(newlim->d_rtbtimer); |
1da177e4 | 718 | } |
754002b4 | 719 | if (newlim->d_fieldmask & FS_DQ_BWARNS) |
8a7b8a89 | 720 | q->qi_bwarnlimit = newlim->d_bwarns; |
754002b4 | 721 | if (newlim->d_fieldmask & FS_DQ_IWARNS) |
8a7b8a89 | 722 | q->qi_iwarnlimit = newlim->d_iwarns; |
754002b4 | 723 | if (newlim->d_fieldmask & FS_DQ_RTBWARNS) |
8a7b8a89 | 724 | q->qi_rtbwarnlimit = newlim->d_rtbwarns; |
754002b4 | 725 | } else { |
1da177e4 LT |
726 | /* |
727 | * If the user is now over quota, start the timelimit. | |
728 | * The user will not be 'warned'. | |
729 | * Note that we keep the timers ticking, whether enforcement | |
730 | * is on or off. We don't really want to bother with iterating | |
731 | * over all ondisk dquots and turning the timers on/off. | |
732 | */ | |
733 | xfs_qm_adjust_dqtimers(mp, ddq); | |
734 | } | |
735 | dqp->dq_flags |= XFS_DQ_DIRTY; | |
736 | xfs_trans_log_dquot(tp, dqp); | |
737 | ||
e5720eec | 738 | error = xfs_trans_commit(tp, 0); |
1da177e4 | 739 | |
f648167f DC |
740 | out_rele: |
741 | xfs_qm_dqrele(dqp); | |
742 | out_unlock: | |
8a7b8a89 | 743 | mutex_unlock(&q->qi_quotaofflock); |
e5720eec | 744 | return error; |
1da177e4 LT |
745 | } |
746 | ||
1da177e4 LT |
747 | STATIC int |
748 | xfs_qm_log_quotaoff_end( | |
749 | xfs_mount_t *mp, | |
750 | xfs_qoff_logitem_t *startqoff, | |
751 | uint flags) | |
752 | { | |
c8ad20ff | 753 | xfs_trans_t *tp; |
1da177e4 | 754 | int error; |
c8ad20ff | 755 | xfs_qoff_logitem_t *qoffi; |
1da177e4 LT |
756 | |
757 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF_END); | |
758 | ||
3d3c8b52 | 759 | error = xfs_trans_reserve(tp, &M_RES(mp)->tr_qm_equotaoff, 0, 0); |
762d7ba6 | 760 | if (error) { |
1da177e4 LT |
761 | xfs_trans_cancel(tp, 0); |
762 | return (error); | |
763 | } | |
764 | ||
765 | qoffi = xfs_trans_get_qoff_item(tp, startqoff, | |
766 | flags & XFS_ALL_QUOTA_ACCT); | |
767 | xfs_trans_log_quotaoff_item(tp, qoffi); | |
768 | ||
769 | /* | |
770 | * We have to make sure that the transaction is secure on disk before we | |
771 | * return and actually stop quota accounting. So, make it synchronous. | |
772 | * We don't care about quotoff's performance. | |
773 | */ | |
774 | xfs_trans_set_sync(tp); | |
1c72bf90 | 775 | error = xfs_trans_commit(tp, 0); |
1da177e4 LT |
776 | return (error); |
777 | } | |
778 | ||
779 | ||
780 | STATIC int | |
781 | xfs_qm_log_quotaoff( | |
782 | xfs_mount_t *mp, | |
783 | xfs_qoff_logitem_t **qoffstartp, | |
784 | uint flags) | |
785 | { | |
786 | xfs_trans_t *tp; | |
787 | int error; | |
1da177e4 LT |
788 | xfs_qoff_logitem_t *qoffi=NULL; |
789 | uint oldsbqflag=0; | |
790 | ||
791 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF); | |
3d3c8b52 | 792 | error = xfs_trans_reserve(tp, &M_RES(mp)->tr_qm_quotaoff, 0, 0); |
a1bd9557 | 793 | if (error) |
1da177e4 | 794 | goto error0; |
1da177e4 LT |
795 | |
796 | qoffi = xfs_trans_get_qoff_item(tp, NULL, flags & XFS_ALL_QUOTA_ACCT); | |
797 | xfs_trans_log_quotaoff_item(tp, qoffi); | |
798 | ||
3685c2a1 | 799 | spin_lock(&mp->m_sb_lock); |
1da177e4 LT |
800 | oldsbqflag = mp->m_sb.sb_qflags; |
801 | mp->m_sb.sb_qflags = (mp->m_qflags & ~(flags)) & XFS_MOUNT_QUOTA_ALL; | |
3685c2a1 | 802 | spin_unlock(&mp->m_sb_lock); |
1da177e4 LT |
803 | |
804 | xfs_mod_sb(tp, XFS_SB_QFLAGS); | |
805 | ||
806 | /* | |
807 | * We have to make sure that the transaction is secure on disk before we | |
808 | * return and actually stop quota accounting. So, make it synchronous. | |
809 | * We don't care about quotoff's performance. | |
810 | */ | |
811 | xfs_trans_set_sync(tp); | |
1c72bf90 | 812 | error = xfs_trans_commit(tp, 0); |
1da177e4 LT |
813 | |
814 | error0: | |
815 | if (error) { | |
816 | xfs_trans_cancel(tp, 0); | |
817 | /* | |
818 | * No one else is modifying sb_qflags, so this is OK. | |
819 | * We still hold the quotaofflock. | |
820 | */ | |
3685c2a1 | 821 | spin_lock(&mp->m_sb_lock); |
1da177e4 | 822 | mp->m_sb.sb_qflags = oldsbqflag; |
3685c2a1 | 823 | spin_unlock(&mp->m_sb_lock); |
1da177e4 LT |
824 | } |
825 | *qoffstartp = qoffi; | |
826 | return (error); | |
827 | } | |
828 | ||
829 | ||
18535a7e CH |
830 | int |
831 | xfs_qm_scall_getquota( | |
832 | struct xfs_mount *mp, | |
833 | xfs_dqid_t id, | |
834 | uint type, | |
1da177e4 LT |
835 | struct fs_disk_quota *dst) |
836 | { | |
18535a7e CH |
837 | struct xfs_dquot *dqp; |
838 | int error; | |
839 | ||
840 | /* | |
841 | * Try to get the dquot. We don't want it allocated on disk, so | |
842 | * we aren't passing the XFS_QMOPT_DOALLOC flag. If it doesn't | |
843 | * exist, we'll get ENOENT back. | |
844 | */ | |
845 | error = xfs_qm_dqget(mp, NULL, id, type, 0, &dqp); | |
846 | if (error) | |
847 | return error; | |
848 | ||
849 | /* | |
850 | * If everything's NULL, this dquot doesn't quite exist as far as | |
851 | * our utility programs are concerned. | |
852 | */ | |
853 | if (XFS_IS_DQUOT_UNINITIALIZED(dqp)) { | |
854 | error = XFS_ERROR(ENOENT); | |
855 | goto out_put; | |
856 | } | |
857 | ||
1da177e4 | 858 | memset(dst, 0, sizeof(*dst)); |
18535a7e CH |
859 | dst->d_version = FS_DQUOT_VERSION; |
860 | dst->d_flags = xfs_qm_export_qtype_flags(dqp->q_core.d_flags); | |
861 | dst->d_id = be32_to_cpu(dqp->q_core.d_id); | |
1149d96a | 862 | dst->d_blk_hardlimit = |
18535a7e | 863 | XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_blk_hardlimit)); |
1149d96a | 864 | dst->d_blk_softlimit = |
18535a7e CH |
865 | XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_blk_softlimit)); |
866 | dst->d_ino_hardlimit = be64_to_cpu(dqp->q_core.d_ino_hardlimit); | |
867 | dst->d_ino_softlimit = be64_to_cpu(dqp->q_core.d_ino_softlimit); | |
89605011 CH |
868 | dst->d_bcount = XFS_FSB_TO_BB(mp, dqp->q_res_bcount); |
869 | dst->d_icount = dqp->q_res_icount; | |
18535a7e CH |
870 | dst->d_btimer = be32_to_cpu(dqp->q_core.d_btimer); |
871 | dst->d_itimer = be32_to_cpu(dqp->q_core.d_itimer); | |
872 | dst->d_iwarns = be16_to_cpu(dqp->q_core.d_iwarns); | |
873 | dst->d_bwarns = be16_to_cpu(dqp->q_core.d_bwarns); | |
1149d96a | 874 | dst->d_rtb_hardlimit = |
18535a7e | 875 | XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_rtb_hardlimit)); |
1149d96a | 876 | dst->d_rtb_softlimit = |
18535a7e | 877 | XFS_FSB_TO_BB(mp, be64_to_cpu(dqp->q_core.d_rtb_softlimit)); |
89605011 | 878 | dst->d_rtbcount = XFS_FSB_TO_BB(mp, dqp->q_res_rtbcount); |
18535a7e CH |
879 | dst->d_rtbtimer = be32_to_cpu(dqp->q_core.d_rtbtimer); |
880 | dst->d_rtbwarns = be16_to_cpu(dqp->q_core.d_rtbwarns); | |
1da177e4 LT |
881 | |
882 | /* | |
883 | * Internally, we don't reset all the timers when quota enforcement | |
c41564b5 | 884 | * gets turned off. No need to confuse the user level code, |
1da177e4 LT |
885 | * so return zeroes in that case. |
886 | */ | |
83e782e1 CS |
887 | if ((!XFS_IS_UQUOTA_ENFORCED(mp) && |
888 | dqp->q_core.d_flags == XFS_DQ_USER) || | |
889 | (!XFS_IS_GQUOTA_ENFORCED(mp) && | |
890 | dqp->q_core.d_flags == XFS_DQ_GROUP) || | |
891 | (!XFS_IS_PQUOTA_ENFORCED(mp) && | |
892 | dqp->q_core.d_flags == XFS_DQ_PROJ)) { | |
1da177e4 LT |
893 | dst->d_btimer = 0; |
894 | dst->d_itimer = 0; | |
895 | dst->d_rtbtimer = 0; | |
896 | } | |
897 | ||
898 | #ifdef DEBUG | |
ade7ce31 | 899 | if (((XFS_IS_UQUOTA_ENFORCED(mp) && dst->d_flags == FS_USER_QUOTA) || |
83e782e1 CS |
900 | (XFS_IS_GQUOTA_ENFORCED(mp) && dst->d_flags == FS_GROUP_QUOTA) || |
901 | (XFS_IS_PQUOTA_ENFORCED(mp) && dst->d_flags == FS_PROJ_QUOTA)) && | |
e6d29426 | 902 | dst->d_id != 0) { |
f7555032 | 903 | if ((dst->d_bcount > dst->d_blk_softlimit) && |
1da177e4 LT |
904 | (dst->d_blk_softlimit > 0)) { |
905 | ASSERT(dst->d_btimer != 0); | |
906 | } | |
f7555032 | 907 | if ((dst->d_icount > dst->d_ino_softlimit) && |
1da177e4 LT |
908 | (dst->d_ino_softlimit > 0)) { |
909 | ASSERT(dst->d_itimer != 0); | |
910 | } | |
911 | } | |
912 | #endif | |
18535a7e CH |
913 | out_put: |
914 | xfs_qm_dqput(dqp); | |
915 | return error; | |
1da177e4 LT |
916 | } |
917 | ||
1da177e4 LT |
918 | STATIC uint |
919 | xfs_qm_export_qtype_flags( | |
920 | uint flags) | |
921 | { | |
922 | /* | |
c8ad20ff | 923 | * Can't be more than one, or none. |
1da177e4 | 924 | */ |
ade7ce31 CH |
925 | ASSERT((flags & (FS_PROJ_QUOTA | FS_USER_QUOTA)) != |
926 | (FS_PROJ_QUOTA | FS_USER_QUOTA)); | |
927 | ASSERT((flags & (FS_PROJ_QUOTA | FS_GROUP_QUOTA)) != | |
928 | (FS_PROJ_QUOTA | FS_GROUP_QUOTA)); | |
929 | ASSERT((flags & (FS_USER_QUOTA | FS_GROUP_QUOTA)) != | |
930 | (FS_USER_QUOTA | FS_GROUP_QUOTA)); | |
931 | ASSERT((flags & (FS_PROJ_QUOTA|FS_USER_QUOTA|FS_GROUP_QUOTA)) != 0); | |
1da177e4 LT |
932 | |
933 | return (flags & XFS_DQ_USER) ? | |
ade7ce31 CH |
934 | FS_USER_QUOTA : (flags & XFS_DQ_PROJ) ? |
935 | FS_PROJ_QUOTA : FS_GROUP_QUOTA; | |
1da177e4 LT |
936 | } |
937 | ||
1da177e4 LT |
938 | STATIC uint |
939 | xfs_qm_export_flags( | |
940 | uint flags) | |
941 | { | |
942 | uint uflags; | |
943 | ||
944 | uflags = 0; | |
945 | if (flags & XFS_UQUOTA_ACCT) | |
ade7ce31 | 946 | uflags |= FS_QUOTA_UDQ_ACCT; |
1da177e4 | 947 | if (flags & XFS_GQUOTA_ACCT) |
ade7ce31 | 948 | uflags |= FS_QUOTA_GDQ_ACCT; |
83e782e1 CS |
949 | if (flags & XFS_PQUOTA_ACCT) |
950 | uflags |= FS_QUOTA_PDQ_ACCT; | |
1da177e4 | 951 | if (flags & XFS_UQUOTA_ENFD) |
ade7ce31 | 952 | uflags |= FS_QUOTA_UDQ_ENFD; |
83e782e1 CS |
953 | if (flags & XFS_GQUOTA_ENFD) |
954 | uflags |= FS_QUOTA_GDQ_ENFD; | |
955 | if (flags & XFS_PQUOTA_ENFD) | |
956 | uflags |= FS_QUOTA_PDQ_ENFD; | |
1da177e4 LT |
957 | return (uflags); |
958 | } | |
959 | ||
960 | ||
fe588ed3 CH |
961 | STATIC int |
962 | xfs_dqrele_inode( | |
963 | struct xfs_inode *ip, | |
964 | struct xfs_perag *pag, | |
a454f742 BF |
965 | int flags, |
966 | void *args) | |
1da177e4 | 967 | { |
fe588ed3 | 968 | /* skip quota inodes */ |
8a7b8a89 | 969 | if (ip == ip->i_mount->m_quotainfo->qi_uquotaip || |
92f8ff73 CS |
970 | ip == ip->i_mount->m_quotainfo->qi_gquotaip || |
971 | ip == ip->i_mount->m_quotainfo->qi_pquotaip) { | |
fe588ed3 CH |
972 | ASSERT(ip->i_udquot == NULL); |
973 | ASSERT(ip->i_gdquot == NULL); | |
92f8ff73 | 974 | ASSERT(ip->i_pdquot == NULL); |
fe588ed3 CH |
975 | return 0; |
976 | } | |
cb4f0d1d | 977 | |
fe588ed3 CH |
978 | xfs_ilock(ip, XFS_ILOCK_EXCL); |
979 | if ((flags & XFS_UQUOTA_ACCT) && ip->i_udquot) { | |
980 | xfs_qm_dqrele(ip->i_udquot); | |
981 | ip->i_udquot = NULL; | |
982 | } | |
92f8ff73 | 983 | if ((flags & XFS_GQUOTA_ACCT) && ip->i_gdquot) { |
fe588ed3 CH |
984 | xfs_qm_dqrele(ip->i_gdquot); |
985 | ip->i_gdquot = NULL; | |
986 | } | |
92f8ff73 CS |
987 | if ((flags & XFS_PQUOTA_ACCT) && ip->i_pdquot) { |
988 | xfs_qm_dqrele(ip->i_pdquot); | |
989 | ip->i_pdquot = NULL; | |
990 | } | |
f2d67614 | 991 | xfs_iunlock(ip, XFS_ILOCK_EXCL); |
fe588ed3 | 992 | return 0; |
5b4d89ae DC |
993 | } |
994 | ||
fe588ed3 | 995 | |
5b4d89ae DC |
996 | /* |
997 | * Go thru all the inodes in the file system, releasing their dquots. | |
fe588ed3 | 998 | * |
5b4d89ae | 999 | * Note that the mount structure gets modified to indicate that quotas are off |
fe588ed3 | 1000 | * AFTER this, in the case of quotaoff. |
5b4d89ae DC |
1001 | */ |
1002 | void | |
1003 | xfs_qm_dqrele_all_inodes( | |
1004 | struct xfs_mount *mp, | |
1005 | uint flags) | |
1006 | { | |
5b4d89ae | 1007 | ASSERT(mp->m_quotainfo); |
a454f742 | 1008 | xfs_inode_ag_iterator(mp, xfs_dqrele_inode, flags, NULL); |
1da177e4 | 1009 | } |