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" | |
a844f451 | 23 | #include "xfs_bit.h" |
1da177e4 | 24 | #include "xfs_log.h" |
a844f451 | 25 | #include "xfs_inum.h" |
1da177e4 LT |
26 | #include "xfs_trans.h" |
27 | #include "xfs_sb.h" | |
a844f451 | 28 | #include "xfs_ag.h" |
1da177e4 LT |
29 | #include "xfs_dir2.h" |
30 | #include "xfs_alloc.h" | |
31 | #include "xfs_dmapi.h" | |
32 | #include "xfs_quota.h" | |
33 | #include "xfs_mount.h" | |
1da177e4 | 34 | #include "xfs_bmap_btree.h" |
a844f451 | 35 | #include "xfs_alloc_btree.h" |
1da177e4 | 36 | #include "xfs_ialloc_btree.h" |
1da177e4 | 37 | #include "xfs_dir2_sf.h" |
a844f451 | 38 | #include "xfs_attr_sf.h" |
1da177e4 LT |
39 | #include "xfs_dinode.h" |
40 | #include "xfs_inode.h" | |
a844f451 NS |
41 | #include "xfs_ialloc.h" |
42 | #include "xfs_itable.h" | |
1da177e4 | 43 | #include "xfs_bmap.h" |
a844f451 | 44 | #include "xfs_btree.h" |
1da177e4 LT |
45 | #include "xfs_rtalloc.h" |
46 | #include "xfs_error.h" | |
1da177e4 LT |
47 | #include "xfs_rw.h" |
48 | #include "xfs_acl.h" | |
1da177e4 LT |
49 | #include "xfs_attr.h" |
50 | #include "xfs_buf_item.h" | |
51 | #include "xfs_utils.h" | |
1da177e4 LT |
52 | #include "xfs_qm.h" |
53 | ||
54 | #ifdef DEBUG | |
55 | # define qdprintk(s, args...) cmn_err(CE_DEBUG, s, ## args) | |
56 | #else | |
57 | # define qdprintk(s, args...) do { } while (0) | |
58 | #endif | |
59 | ||
60 | STATIC int xfs_qm_scall_trunc_qfiles(xfs_mount_t *, uint); | |
61 | STATIC int xfs_qm_scall_getquota(xfs_mount_t *, xfs_dqid_t, uint, | |
62 | fs_disk_quota_t *); | |
63 | STATIC int xfs_qm_scall_getqstat(xfs_mount_t *, fs_quota_stat_t *); | |
64 | STATIC int xfs_qm_scall_setqlim(xfs_mount_t *, xfs_dqid_t, uint, | |
65 | fs_disk_quota_t *); | |
66 | STATIC int xfs_qm_scall_quotaon(xfs_mount_t *, uint); | |
67 | STATIC int xfs_qm_scall_quotaoff(xfs_mount_t *, uint, boolean_t); | |
68 | STATIC int xfs_qm_log_quotaoff(xfs_mount_t *, xfs_qoff_logitem_t **, uint); | |
69 | STATIC int xfs_qm_log_quotaoff_end(xfs_mount_t *, xfs_qoff_logitem_t *, | |
70 | uint); | |
71 | STATIC uint xfs_qm_import_flags(uint); | |
72 | STATIC uint xfs_qm_export_flags(uint); | |
73 | STATIC uint xfs_qm_import_qtype_flags(uint); | |
74 | STATIC uint xfs_qm_export_qtype_flags(uint); | |
75 | STATIC void xfs_qm_export_dquot(xfs_mount_t *, xfs_disk_dquot_t *, | |
76 | fs_disk_quota_t *); | |
77 | ||
78 | ||
79 | /* | |
80 | * The main distribution switch of all XFS quotactl system calls. | |
81 | */ | |
82 | int | |
83 | xfs_qm_quotactl( | |
b09cc771 | 84 | xfs_mount_t *mp, |
1da177e4 LT |
85 | int cmd, |
86 | int id, | |
87 | xfs_caddr_t addr) | |
88 | { | |
1da177e4 | 89 | int error; |
1da177e4 | 90 | |
ee34807a | 91 | ASSERT(addr != NULL || cmd == Q_XQUOTASYNC); |
1da177e4 LT |
92 | |
93 | /* | |
94 | * The following commands are valid even when quotaoff. | |
95 | */ | |
96 | switch (cmd) { | |
c8ad20ff | 97 | case Q_XQUOTARM: |
1da177e4 | 98 | /* |
c8ad20ff | 99 | * Truncate quota files. quota must be off. |
1da177e4 | 100 | */ |
c310ab6c | 101 | if (XFS_IS_QUOTA_ON(mp)) |
1da177e4 | 102 | return XFS_ERROR(EINVAL); |
bd186aa9 | 103 | if (mp->m_flags & XFS_MOUNT_RDONLY) |
1da177e4 LT |
104 | return XFS_ERROR(EROFS); |
105 | return (xfs_qm_scall_trunc_qfiles(mp, | |
106 | xfs_qm_import_qtype_flags(*(uint *)addr))); | |
c8ad20ff NS |
107 | |
108 | case Q_XGETQSTAT: | |
1da177e4 LT |
109 | /* |
110 | * Get quota status information. | |
111 | */ | |
1da177e4 LT |
112 | return (xfs_qm_scall_getqstat(mp, (fs_quota_stat_t *)addr)); |
113 | ||
c8ad20ff | 114 | case Q_XQUOTAON: |
1da177e4 | 115 | /* |
c8ad20ff NS |
116 | * QUOTAON - enabling quota enforcement. |
117 | * Quota accounting must be turned on at mount time. | |
1da177e4 | 118 | */ |
bd186aa9 | 119 | if (mp->m_flags & XFS_MOUNT_RDONLY) |
1da177e4 LT |
120 | return XFS_ERROR(EROFS); |
121 | return (xfs_qm_scall_quotaon(mp, | |
122 | xfs_qm_import_flags(*(uint *)addr))); | |
c8ad20ff NS |
123 | |
124 | case Q_XQUOTAOFF: | |
bd186aa9 | 125 | if (mp->m_flags & XFS_MOUNT_RDONLY) |
1da177e4 LT |
126 | return XFS_ERROR(EROFS); |
127 | break; | |
128 | ||
ee34807a | 129 | case Q_XQUOTASYNC: |
1f9b3b64 | 130 | return (xfs_sync_inodes(mp, SYNC_DELWRI, NULL)); |
ee34807a | 131 | |
c8ad20ff | 132 | default: |
1da177e4 LT |
133 | break; |
134 | } | |
135 | ||
136 | if (! XFS_IS_QUOTA_ON(mp)) | |
137 | return XFS_ERROR(ESRCH); | |
138 | ||
139 | switch (cmd) { | |
c8ad20ff | 140 | case Q_XQUOTAOFF: |
bd186aa9 | 141 | if (mp->m_flags & XFS_MOUNT_RDONLY) |
1da177e4 LT |
142 | return XFS_ERROR(EROFS); |
143 | error = xfs_qm_scall_quotaoff(mp, | |
144 | xfs_qm_import_flags(*(uint *)addr), | |
145 | B_FALSE); | |
146 | break; | |
147 | ||
c8ad20ff | 148 | case Q_XGETQUOTA: |
1da177e4 LT |
149 | error = xfs_qm_scall_getquota(mp, (xfs_dqid_t)id, XFS_DQ_USER, |
150 | (fs_disk_quota_t *)addr); | |
151 | break; | |
c8ad20ff NS |
152 | case Q_XGETGQUOTA: |
153 | error = xfs_qm_scall_getquota(mp, (xfs_dqid_t)id, XFS_DQ_GROUP, | |
154 | (fs_disk_quota_t *)addr); | |
155 | break; | |
156 | case Q_XGETPQUOTA: | |
157 | error = xfs_qm_scall_getquota(mp, (xfs_dqid_t)id, XFS_DQ_PROJ, | |
158 | (fs_disk_quota_t *)addr); | |
159 | break; | |
160 | ||
161 | case Q_XSETQLIM: | |
bd186aa9 | 162 | if (mp->m_flags & XFS_MOUNT_RDONLY) |
1da177e4 LT |
163 | return XFS_ERROR(EROFS); |
164 | error = xfs_qm_scall_setqlim(mp, (xfs_dqid_t)id, XFS_DQ_USER, | |
165 | (fs_disk_quota_t *)addr); | |
166 | break; | |
c8ad20ff | 167 | case Q_XSETGQLIM: |
bd186aa9 | 168 | if (mp->m_flags & XFS_MOUNT_RDONLY) |
1da177e4 LT |
169 | return XFS_ERROR(EROFS); |
170 | error = xfs_qm_scall_setqlim(mp, (xfs_dqid_t)id, XFS_DQ_GROUP, | |
171 | (fs_disk_quota_t *)addr); | |
172 | break; | |
c8ad20ff | 173 | case Q_XSETPQLIM: |
bd186aa9 | 174 | if (mp->m_flags & XFS_MOUNT_RDONLY) |
c8ad20ff NS |
175 | return XFS_ERROR(EROFS); |
176 | error = xfs_qm_scall_setqlim(mp, (xfs_dqid_t)id, XFS_DQ_PROJ, | |
177 | (fs_disk_quota_t *)addr); | |
1da177e4 LT |
178 | break; |
179 | ||
c8ad20ff | 180 | default: |
1da177e4 LT |
181 | error = XFS_ERROR(EINVAL); |
182 | break; | |
183 | } | |
184 | ||
185 | return (error); | |
186 | } | |
187 | ||
188 | /* | |
189 | * Turn off quota accounting and/or enforcement for all udquots and/or | |
190 | * gdquots. Called only at unmount time. | |
191 | * | |
192 | * This assumes that there are no dquots of this file system cached | |
193 | * incore, and modifies the ondisk dquot directly. Therefore, for example, | |
194 | * it is an error to call this twice, without purging the cache. | |
195 | */ | |
196 | STATIC int | |
197 | xfs_qm_scall_quotaoff( | |
198 | xfs_mount_t *mp, | |
199 | uint flags, | |
200 | boolean_t force) | |
201 | { | |
202 | uint dqtype; | |
203 | unsigned long s; | |
204 | int error; | |
205 | uint inactivate_flags; | |
206 | xfs_qoff_logitem_t *qoffstart; | |
207 | int nculprits; | |
208 | ||
209 | if (!force && !capable(CAP_SYS_ADMIN)) | |
210 | return XFS_ERROR(EPERM); | |
211 | /* | |
212 | * No file system can have quotas enabled on disk but not in core. | |
213 | * Note that quota utilities (like quotaoff) _expect_ | |
214 | * errno == EEXIST here. | |
215 | */ | |
216 | if ((mp->m_qflags & flags) == 0) | |
217 | return XFS_ERROR(EEXIST); | |
218 | error = 0; | |
219 | ||
220 | flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD); | |
221 | ||
222 | /* | |
223 | * We don't want to deal with two quotaoffs messing up each other, | |
224 | * so we're going to serialize it. quotaoff isn't exactly a performance | |
225 | * critical thing. | |
226 | * If quotaoff, then we must be dealing with the root filesystem. | |
227 | */ | |
228 | ASSERT(mp->m_quotainfo); | |
229 | if (mp->m_quotainfo) | |
794ee1ba | 230 | mutex_lock(&(XFS_QI_QOFFLOCK(mp))); |
1da177e4 LT |
231 | |
232 | ASSERT(mp->m_quotainfo); | |
233 | ||
234 | /* | |
235 | * If we're just turning off quota enforcement, change mp and go. | |
236 | */ | |
237 | if ((flags & XFS_ALL_QUOTA_ACCT) == 0) { | |
238 | mp->m_qflags &= ~(flags); | |
239 | ||
240 | s = XFS_SB_LOCK(mp); | |
241 | mp->m_sb.sb_qflags = mp->m_qflags; | |
242 | XFS_SB_UNLOCK(mp, s); | |
243 | mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); | |
244 | ||
245 | /* XXX what to do if error ? Revert back to old vals incore ? */ | |
246 | error = xfs_qm_write_sb_changes(mp, XFS_SB_QFLAGS); | |
247 | return (error); | |
248 | } | |
249 | ||
250 | dqtype = 0; | |
251 | inactivate_flags = 0; | |
252 | /* | |
253 | * If accounting is off, we must turn enforcement off, clear the | |
254 | * quota 'CHKD' certificate to make it known that we have to | |
255 | * do a quotacheck the next time this quota is turned on. | |
256 | */ | |
257 | if (flags & XFS_UQUOTA_ACCT) { | |
258 | dqtype |= XFS_QMOPT_UQUOTA; | |
259 | flags |= (XFS_UQUOTA_CHKD | XFS_UQUOTA_ENFD); | |
260 | inactivate_flags |= XFS_UQUOTA_ACTIVE; | |
261 | } | |
262 | if (flags & XFS_GQUOTA_ACCT) { | |
263 | dqtype |= XFS_QMOPT_GQUOTA; | |
c8ad20ff | 264 | flags |= (XFS_OQUOTA_CHKD | XFS_OQUOTA_ENFD); |
1da177e4 | 265 | inactivate_flags |= XFS_GQUOTA_ACTIVE; |
c8ad20ff NS |
266 | } else if (flags & XFS_PQUOTA_ACCT) { |
267 | dqtype |= XFS_QMOPT_PQUOTA; | |
268 | flags |= (XFS_OQUOTA_CHKD | XFS_OQUOTA_ENFD); | |
269 | inactivate_flags |= XFS_PQUOTA_ACTIVE; | |
1da177e4 LT |
270 | } |
271 | ||
272 | /* | |
273 | * Nothing to do? Don't complain. This happens when we're just | |
274 | * turning off quota enforcement. | |
275 | */ | |
276 | if ((mp->m_qflags & flags) == 0) { | |
277 | mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); | |
278 | return (0); | |
279 | } | |
280 | ||
281 | /* | |
282 | * Write the LI_QUOTAOFF log record, and do SB changes atomically, | |
283 | * and synchronously. | |
284 | */ | |
285 | xfs_qm_log_quotaoff(mp, &qoffstart, flags); | |
286 | ||
287 | /* | |
288 | * Next we clear the XFS_MOUNT_*DQ_ACTIVE bit(s) in the mount struct | |
289 | * to take care of the race between dqget and quotaoff. We don't take | |
290 | * any special locks to reset these bits. All processes need to check | |
291 | * these bits *after* taking inode lock(s) to see if the particular | |
292 | * quota type is in the process of being turned off. If *ACTIVE, it is | |
293 | * guaranteed that all dquot structures and all quotainode ptrs will all | |
294 | * stay valid as long as that inode is kept locked. | |
295 | * | |
296 | * There is no turning back after this. | |
297 | */ | |
298 | mp->m_qflags &= ~inactivate_flags; | |
299 | ||
300 | /* | |
301 | * Give back all the dquot reference(s) held by inodes. | |
302 | * Here we go thru every single incore inode in this file system, and | |
303 | * do a dqrele on the i_udquot/i_gdquot that it may have. | |
304 | * Essentially, as long as somebody has an inode locked, this guarantees | |
305 | * that quotas will not be turned off. This is handy because in a | |
306 | * transaction once we lock the inode(s) and check for quotaon, we can | |
307 | * depend on the quota inodes (and other things) being valid as long as | |
308 | * we keep the lock(s). | |
309 | */ | |
310 | xfs_qm_dqrele_all_inodes(mp, flags); | |
311 | ||
312 | /* | |
313 | * Next we make the changes in the quota flag in the mount struct. | |
314 | * This isn't protected by a particular lock directly, because we | |
315 | * don't want to take a mrlock everytime we depend on quotas being on. | |
316 | */ | |
317 | mp->m_qflags &= ~(flags); | |
318 | ||
319 | /* | |
320 | * Go through all the dquots of this file system and purge them, | |
321 | * according to what was turned off. We may not be able to get rid | |
322 | * of all dquots, because dquots can have temporary references that | |
323 | * are not attached to inodes. eg. xfs_setattr, xfs_create. | |
324 | * So, if we couldn't purge all the dquots from the filesystem, | |
325 | * we can't get rid of the incore data structures. | |
326 | */ | |
327 | while ((nculprits = xfs_qm_dqpurge_all(mp, dqtype|XFS_QMOPT_QUOTAOFF))) | |
328 | delay(10 * nculprits); | |
329 | ||
330 | /* | |
331 | * Transactions that had started before ACTIVE state bit was cleared | |
332 | * could have logged many dquots, so they'd have higher LSNs than | |
333 | * the first QUOTAOFF log record does. If we happen to crash when | |
334 | * the tail of the log has gone past the QUOTAOFF record, but | |
335 | * before the last dquot modification, those dquots __will__ | |
336 | * recover, and that's not good. | |
337 | * | |
338 | * So, we have QUOTAOFF start and end logitems; the start | |
339 | * logitem won't get overwritten until the end logitem appears... | |
340 | */ | |
341 | xfs_qm_log_quotaoff_end(mp, qoffstart, flags); | |
342 | ||
343 | /* | |
344 | * If quotas is completely disabled, close shop. | |
345 | */ | |
c8ad20ff NS |
346 | if (((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_SET1) || |
347 | ((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_SET2)) { | |
1da177e4 LT |
348 | mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); |
349 | xfs_qm_destroy_quotainfo(mp); | |
350 | return (0); | |
351 | } | |
352 | ||
353 | /* | |
354 | * Release our quotainode references, and vn_purge them, | |
355 | * if we don't need them anymore. | |
356 | */ | |
357 | if ((dqtype & XFS_QMOPT_UQUOTA) && XFS_QI_UQIP(mp)) { | |
358 | XFS_PURGE_INODE(XFS_QI_UQIP(mp)); | |
359 | XFS_QI_UQIP(mp) = NULL; | |
360 | } | |
c8ad20ff | 361 | if ((dqtype & (XFS_QMOPT_GQUOTA|XFS_QMOPT_PQUOTA)) && XFS_QI_GQIP(mp)) { |
1da177e4 LT |
362 | XFS_PURGE_INODE(XFS_QI_GQIP(mp)); |
363 | XFS_QI_GQIP(mp) = NULL; | |
364 | } | |
365 | mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); | |
366 | ||
367 | return (error); | |
368 | } | |
369 | ||
370 | STATIC int | |
371 | xfs_qm_scall_trunc_qfiles( | |
372 | xfs_mount_t *mp, | |
373 | uint flags) | |
374 | { | |
375 | int error; | |
376 | xfs_inode_t *qip; | |
377 | ||
378 | if (!capable(CAP_SYS_ADMIN)) | |
379 | return XFS_ERROR(EPERM); | |
380 | error = 0; | |
381 | if (!XFS_SB_VERSION_HASQUOTA(&mp->m_sb) || flags == 0) { | |
382 | qdprintk("qtrunc flags=%x m_qflags=%x\n", flags, mp->m_qflags); | |
383 | return XFS_ERROR(EINVAL); | |
384 | } | |
385 | ||
386 | if ((flags & XFS_DQ_USER) && mp->m_sb.sb_uquotino != NULLFSINO) { | |
387 | error = xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, 0, 0, &qip, 0); | |
388 | if (! error) { | |
389 | (void) xfs_truncate_file(mp, qip); | |
390 | VN_RELE(XFS_ITOV(qip)); | |
391 | } | |
392 | } | |
393 | ||
c8ad20ff NS |
394 | if ((flags & (XFS_DQ_GROUP|XFS_DQ_PROJ)) && |
395 | mp->m_sb.sb_gquotino != NULLFSINO) { | |
1da177e4 LT |
396 | error = xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, 0, 0, &qip, 0); |
397 | if (! error) { | |
398 | (void) xfs_truncate_file(mp, qip); | |
399 | VN_RELE(XFS_ITOV(qip)); | |
400 | } | |
401 | } | |
402 | ||
403 | return (error); | |
404 | } | |
405 | ||
406 | ||
407 | /* | |
408 | * Switch on (a given) quota enforcement for a filesystem. This takes | |
409 | * effect immediately. | |
410 | * (Switching on quota accounting must be done at mount time.) | |
411 | */ | |
412 | STATIC int | |
413 | xfs_qm_scall_quotaon( | |
414 | xfs_mount_t *mp, | |
415 | uint flags) | |
416 | { | |
417 | int error; | |
c8ad20ff | 418 | unsigned long s; |
1da177e4 LT |
419 | uint qf; |
420 | uint accflags; | |
421 | __int64_t sbflags; | |
422 | ||
423 | if (!capable(CAP_SYS_ADMIN)) | |
424 | return XFS_ERROR(EPERM); | |
425 | ||
426 | flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD); | |
427 | /* | |
428 | * Switching on quota accounting must be done at mount time. | |
429 | */ | |
430 | accflags = flags & XFS_ALL_QUOTA_ACCT; | |
431 | flags &= ~(XFS_ALL_QUOTA_ACCT); | |
432 | ||
433 | sbflags = 0; | |
434 | ||
435 | if (flags == 0) { | |
436 | qdprintk("quotaon: zero flags, m_qflags=%x\n", mp->m_qflags); | |
437 | return XFS_ERROR(EINVAL); | |
438 | } | |
439 | ||
440 | /* No fs can turn on quotas with a delayed effect */ | |
441 | ASSERT((flags & XFS_ALL_QUOTA_ACCT) == 0); | |
442 | ||
443 | /* | |
444 | * Can't enforce without accounting. We check the superblock | |
445 | * qflags here instead of m_qflags because rootfs can have | |
446 | * quota acct on ondisk without m_qflags' knowing. | |
447 | */ | |
448 | if (((flags & XFS_UQUOTA_ACCT) == 0 && | |
449 | (mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) == 0 && | |
450 | (flags & XFS_UQUOTA_ENFD)) | |
451 | || | |
c8ad20ff NS |
452 | ((flags & XFS_PQUOTA_ACCT) == 0 && |
453 | (mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) == 0 && | |
424ea91b | 454 | (flags & XFS_GQUOTA_ACCT) == 0 && |
1da177e4 | 455 | (mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) == 0 && |
c8ad20ff | 456 | (flags & XFS_OQUOTA_ENFD))) { |
1da177e4 LT |
457 | qdprintk("Can't enforce without acct, flags=%x sbflags=%x\n", |
458 | flags, mp->m_sb.sb_qflags); | |
459 | return XFS_ERROR(EINVAL); | |
460 | } | |
461 | /* | |
462 | * If everything's upto-date incore, then don't waste time. | |
463 | */ | |
464 | if ((mp->m_qflags & flags) == flags) | |
465 | return XFS_ERROR(EEXIST); | |
466 | ||
467 | /* | |
468 | * Change sb_qflags on disk but not incore mp->qflags | |
469 | * if this is the root filesystem. | |
470 | */ | |
471 | s = XFS_SB_LOCK(mp); | |
472 | qf = mp->m_sb.sb_qflags; | |
473 | mp->m_sb.sb_qflags = qf | flags; | |
474 | XFS_SB_UNLOCK(mp, s); | |
475 | ||
476 | /* | |
477 | * There's nothing to change if it's the same. | |
478 | */ | |
479 | if ((qf & flags) == flags && sbflags == 0) | |
480 | return XFS_ERROR(EEXIST); | |
481 | sbflags |= XFS_SB_QFLAGS; | |
482 | ||
483 | if ((error = xfs_qm_write_sb_changes(mp, sbflags))) | |
484 | return (error); | |
485 | /* | |
486 | * If we aren't trying to switch on quota enforcement, we are done. | |
487 | */ | |
488 | if (((mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) != | |
489 | (mp->m_qflags & XFS_UQUOTA_ACCT)) || | |
c8ad20ff NS |
490 | ((mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) != |
491 | (mp->m_qflags & XFS_PQUOTA_ACCT)) || | |
492 | ((mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) != | |
493 | (mp->m_qflags & XFS_GQUOTA_ACCT)) || | |
1da177e4 LT |
494 | (flags & XFS_ALL_QUOTA_ENFD) == 0) |
495 | return (0); | |
496 | ||
497 | if (! XFS_IS_QUOTA_RUNNING(mp)) | |
498 | return XFS_ERROR(ESRCH); | |
499 | ||
500 | /* | |
501 | * Switch on quota enforcement in core. | |
502 | */ | |
794ee1ba | 503 | mutex_lock(&(XFS_QI_QOFFLOCK(mp))); |
1da177e4 LT |
504 | mp->m_qflags |= (flags & XFS_ALL_QUOTA_ENFD); |
505 | mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); | |
506 | ||
507 | return (0); | |
508 | } | |
509 | ||
510 | ||
1da177e4 LT |
511 | /* |
512 | * Return quota status information, such as uquota-off, enforcements, etc. | |
513 | */ | |
514 | STATIC int | |
515 | xfs_qm_scall_getqstat( | |
516 | xfs_mount_t *mp, | |
517 | fs_quota_stat_t *out) | |
518 | { | |
519 | xfs_inode_t *uip, *gip; | |
520 | boolean_t tempuqip, tempgqip; | |
521 | ||
522 | uip = gip = NULL; | |
523 | tempuqip = tempgqip = B_FALSE; | |
524 | memset(out, 0, sizeof(fs_quota_stat_t)); | |
525 | ||
526 | out->qs_version = FS_QSTAT_VERSION; | |
527 | if (! XFS_SB_VERSION_HASQUOTA(&mp->m_sb)) { | |
528 | out->qs_uquota.qfs_ino = NULLFSINO; | |
529 | out->qs_gquota.qfs_ino = NULLFSINO; | |
530 | return (0); | |
531 | } | |
532 | out->qs_flags = (__uint16_t) xfs_qm_export_flags(mp->m_qflags & | |
533 | (XFS_ALL_QUOTA_ACCT| | |
534 | XFS_ALL_QUOTA_ENFD)); | |
535 | out->qs_pad = 0; | |
536 | out->qs_uquota.qfs_ino = mp->m_sb.sb_uquotino; | |
537 | out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino; | |
538 | ||
539 | if (mp->m_quotainfo) { | |
540 | uip = mp->m_quotainfo->qi_uquotaip; | |
541 | gip = mp->m_quotainfo->qi_gquotaip; | |
542 | } | |
543 | if (!uip && mp->m_sb.sb_uquotino != NULLFSINO) { | |
544 | if (xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, | |
545 | 0, 0, &uip, 0) == 0) | |
546 | tempuqip = B_TRUE; | |
547 | } | |
548 | if (!gip && mp->m_sb.sb_gquotino != NULLFSINO) { | |
549 | if (xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, | |
550 | 0, 0, &gip, 0) == 0) | |
551 | tempgqip = B_TRUE; | |
552 | } | |
553 | if (uip) { | |
554 | out->qs_uquota.qfs_nblks = uip->i_d.di_nblocks; | |
555 | out->qs_uquota.qfs_nextents = uip->i_d.di_nextents; | |
556 | if (tempuqip) | |
557 | VN_RELE(XFS_ITOV(uip)); | |
558 | } | |
559 | if (gip) { | |
560 | out->qs_gquota.qfs_nblks = gip->i_d.di_nblocks; | |
561 | out->qs_gquota.qfs_nextents = gip->i_d.di_nextents; | |
562 | if (tempgqip) | |
563 | VN_RELE(XFS_ITOV(gip)); | |
564 | } | |
565 | if (mp->m_quotainfo) { | |
566 | out->qs_incoredqs = XFS_QI_MPLNDQUOTS(mp); | |
567 | out->qs_btimelimit = XFS_QI_BTIMELIMIT(mp); | |
568 | out->qs_itimelimit = XFS_QI_ITIMELIMIT(mp); | |
569 | out->qs_rtbtimelimit = XFS_QI_RTBTIMELIMIT(mp); | |
570 | out->qs_bwarnlimit = XFS_QI_BWARNLIMIT(mp); | |
571 | out->qs_iwarnlimit = XFS_QI_IWARNLIMIT(mp); | |
572 | } | |
573 | return (0); | |
574 | } | |
575 | ||
576 | /* | |
577 | * Adjust quota limits, and start/stop timers accordingly. | |
578 | */ | |
579 | STATIC int | |
580 | xfs_qm_scall_setqlim( | |
581 | xfs_mount_t *mp, | |
582 | xfs_dqid_t id, | |
583 | uint type, | |
584 | fs_disk_quota_t *newlim) | |
585 | { | |
586 | xfs_disk_dquot_t *ddq; | |
587 | xfs_dquot_t *dqp; | |
588 | xfs_trans_t *tp; | |
589 | int error; | |
590 | xfs_qcnt_t hard, soft; | |
591 | ||
592 | if (!capable(CAP_SYS_ADMIN)) | |
593 | return XFS_ERROR(EPERM); | |
594 | ||
754002b4 NS |
595 | if ((newlim->d_fieldmask & |
596 | (FS_DQ_LIMIT_MASK|FS_DQ_TIMER_MASK|FS_DQ_WARNS_MASK)) == 0) | |
1da177e4 LT |
597 | return (0); |
598 | ||
599 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SETQLIM); | |
600 | if ((error = xfs_trans_reserve(tp, 0, sizeof(xfs_disk_dquot_t) + 128, | |
601 | 0, 0, XFS_DEFAULT_LOG_COUNT))) { | |
602 | xfs_trans_cancel(tp, 0); | |
603 | return (error); | |
604 | } | |
605 | ||
606 | /* | |
607 | * We don't want to race with a quotaoff so take the quotaoff lock. | |
608 | * (We don't hold an inode lock, so there's nothing else to stop | |
609 | * a quotaoff from happening). (XXXThis doesn't currently happen | |
610 | * because we take the vfslock before calling xfs_qm_sysent). | |
611 | */ | |
794ee1ba | 612 | mutex_lock(&(XFS_QI_QOFFLOCK(mp))); |
1da177e4 LT |
613 | |
614 | /* | |
615 | * Get the dquot (locked), and join it to the transaction. | |
616 | * Allocate the dquot if this doesn't exist. | |
617 | */ | |
618 | if ((error = xfs_qm_dqget(mp, NULL, id, type, XFS_QMOPT_DQALLOC, &dqp))) { | |
619 | xfs_trans_cancel(tp, XFS_TRANS_ABORT); | |
620 | mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); | |
621 | ASSERT(error != ENOENT); | |
622 | return (error); | |
623 | } | |
624 | xfs_dqtrace_entry(dqp, "Q_SETQLIM: AFT DQGET"); | |
625 | xfs_trans_dqjoin(tp, dqp); | |
626 | ddq = &dqp->q_core; | |
627 | ||
628 | /* | |
629 | * Make sure that hardlimits are >= soft limits before changing. | |
630 | */ | |
631 | hard = (newlim->d_fieldmask & FS_DQ_BHARD) ? | |
632 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_hardlimit) : | |
1149d96a | 633 | be64_to_cpu(ddq->d_blk_hardlimit); |
1da177e4 LT |
634 | soft = (newlim->d_fieldmask & FS_DQ_BSOFT) ? |
635 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_softlimit) : | |
1149d96a | 636 | be64_to_cpu(ddq->d_blk_softlimit); |
1da177e4 | 637 | if (hard == 0 || hard >= soft) { |
1149d96a CH |
638 | ddq->d_blk_hardlimit = cpu_to_be64(hard); |
639 | ddq->d_blk_softlimit = cpu_to_be64(soft); | |
1da177e4 LT |
640 | if (id == 0) { |
641 | mp->m_quotainfo->qi_bhardlimit = hard; | |
642 | mp->m_quotainfo->qi_bsoftlimit = soft; | |
643 | } | |
644 | } else { | |
645 | qdprintk("blkhard %Ld < blksoft %Ld\n", hard, soft); | |
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 LT |
656 | if (id == 0) { |
657 | mp->m_quotainfo->qi_rtbhardlimit = hard; | |
658 | mp->m_quotainfo->qi_rtbsoftlimit = soft; | |
659 | } | |
660 | } else { | |
661 | qdprintk("rtbhard %Ld < rtbsoft %Ld\n", hard, soft); | |
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 LT |
673 | if (id == 0) { |
674 | mp->m_quotainfo->qi_ihardlimit = hard; | |
675 | mp->m_quotainfo->qi_isoftlimit = soft; | |
676 | } | |
677 | } else { | |
678 | qdprintk("ihard %Ld < isoft %Ld\n", hard, soft); | |
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) { | |
700 | mp->m_quotainfo->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) { | |
704 | mp->m_quotainfo->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) { | |
708 | mp->m_quotainfo->qi_rtbtimelimit = newlim->d_rtbtimer; | |
1149d96a | 709 | ddq->d_rtbtimer = cpu_to_be32(newlim->d_rtbtimer); |
1da177e4 | 710 | } |
754002b4 NS |
711 | if (newlim->d_fieldmask & FS_DQ_BWARNS) |
712 | mp->m_quotainfo->qi_bwarnlimit = newlim->d_bwarns; | |
713 | if (newlim->d_fieldmask & FS_DQ_IWARNS) | |
714 | mp->m_quotainfo->qi_iwarnlimit = newlim->d_iwarns; | |
715 | if (newlim->d_fieldmask & FS_DQ_RTBWARNS) | |
716 | mp->m_quotainfo->qi_rtbwarnlimit = newlim->d_rtbwarns; | |
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 | ||
730 | xfs_dqtrace_entry(dqp, "Q_SETQLIM: COMMIT"); | |
1c72bf90 | 731 | xfs_trans_commit(tp, 0); |
1da177e4 LT |
732 | xfs_qm_dqprint(dqp); |
733 | xfs_qm_dqrele(dqp); | |
734 | mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); | |
735 | ||
736 | return (0); | |
737 | } | |
738 | ||
739 | STATIC int | |
740 | xfs_qm_scall_getquota( | |
741 | xfs_mount_t *mp, | |
742 | xfs_dqid_t id, | |
743 | uint type, | |
744 | fs_disk_quota_t *out) | |
745 | { | |
746 | xfs_dquot_t *dqp; | |
747 | int error; | |
748 | ||
749 | /* | |
750 | * Try to get the dquot. We don't want it allocated on disk, so | |
751 | * we aren't passing the XFS_QMOPT_DOALLOC flag. If it doesn't | |
752 | * exist, we'll get ENOENT back. | |
753 | */ | |
754 | if ((error = xfs_qm_dqget(mp, NULL, id, type, 0, &dqp))) { | |
755 | return (error); | |
756 | } | |
757 | ||
758 | xfs_dqtrace_entry(dqp, "Q_GETQUOTA SUCCESS"); | |
759 | /* | |
760 | * If everything's NULL, this dquot doesn't quite exist as far as | |
761 | * our utility programs are concerned. | |
762 | */ | |
763 | if (XFS_IS_DQUOT_UNINITIALIZED(dqp)) { | |
764 | xfs_qm_dqput(dqp); | |
765 | return XFS_ERROR(ENOENT); | |
766 | } | |
767 | /* xfs_qm_dqprint(dqp); */ | |
768 | /* | |
769 | * Convert the disk dquot to the exportable format | |
770 | */ | |
771 | xfs_qm_export_dquot(mp, &dqp->q_core, out); | |
772 | xfs_qm_dqput(dqp); | |
773 | return (error ? XFS_ERROR(EFAULT) : 0); | |
774 | } | |
775 | ||
776 | ||
777 | STATIC int | |
778 | xfs_qm_log_quotaoff_end( | |
779 | xfs_mount_t *mp, | |
780 | xfs_qoff_logitem_t *startqoff, | |
781 | uint flags) | |
782 | { | |
c8ad20ff | 783 | xfs_trans_t *tp; |
1da177e4 | 784 | int error; |
c8ad20ff | 785 | xfs_qoff_logitem_t *qoffi; |
1da177e4 LT |
786 | |
787 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF_END); | |
788 | ||
789 | if ((error = xfs_trans_reserve(tp, 0, sizeof(xfs_qoff_logitem_t) * 2, | |
790 | 0, 0, XFS_DEFAULT_LOG_COUNT))) { | |
791 | xfs_trans_cancel(tp, 0); | |
792 | return (error); | |
793 | } | |
794 | ||
795 | qoffi = xfs_trans_get_qoff_item(tp, startqoff, | |
796 | flags & XFS_ALL_QUOTA_ACCT); | |
797 | xfs_trans_log_quotaoff_item(tp, qoffi); | |
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); |
1da177e4 LT |
806 | return (error); |
807 | } | |
808 | ||
809 | ||
810 | STATIC int | |
811 | xfs_qm_log_quotaoff( | |
812 | xfs_mount_t *mp, | |
813 | xfs_qoff_logitem_t **qoffstartp, | |
814 | uint flags) | |
815 | { | |
816 | xfs_trans_t *tp; | |
817 | int error; | |
818 | unsigned long s; | |
819 | xfs_qoff_logitem_t *qoffi=NULL; | |
820 | uint oldsbqflag=0; | |
821 | ||
822 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF); | |
823 | if ((error = xfs_trans_reserve(tp, 0, | |
824 | sizeof(xfs_qoff_logitem_t) * 2 + | |
825 | mp->m_sb.sb_sectsize + 128, | |
826 | 0, | |
827 | 0, | |
828 | XFS_DEFAULT_LOG_COUNT))) { | |
829 | goto error0; | |
830 | } | |
831 | ||
832 | qoffi = xfs_trans_get_qoff_item(tp, NULL, flags & XFS_ALL_QUOTA_ACCT); | |
833 | xfs_trans_log_quotaoff_item(tp, qoffi); | |
834 | ||
835 | s = XFS_SB_LOCK(mp); | |
836 | oldsbqflag = mp->m_sb.sb_qflags; | |
837 | mp->m_sb.sb_qflags = (mp->m_qflags & ~(flags)) & XFS_MOUNT_QUOTA_ALL; | |
838 | XFS_SB_UNLOCK(mp, s); | |
839 | ||
840 | xfs_mod_sb(tp, XFS_SB_QFLAGS); | |
841 | ||
842 | /* | |
843 | * We have to make sure that the transaction is secure on disk before we | |
844 | * return and actually stop quota accounting. So, make it synchronous. | |
845 | * We don't care about quotoff's performance. | |
846 | */ | |
847 | xfs_trans_set_sync(tp); | |
1c72bf90 | 848 | error = xfs_trans_commit(tp, 0); |
1da177e4 LT |
849 | |
850 | error0: | |
851 | if (error) { | |
852 | xfs_trans_cancel(tp, 0); | |
853 | /* | |
854 | * No one else is modifying sb_qflags, so this is OK. | |
855 | * We still hold the quotaofflock. | |
856 | */ | |
857 | s = XFS_SB_LOCK(mp); | |
858 | mp->m_sb.sb_qflags = oldsbqflag; | |
859 | XFS_SB_UNLOCK(mp, s); | |
860 | } | |
861 | *qoffstartp = qoffi; | |
862 | return (error); | |
863 | } | |
864 | ||
865 | ||
866 | /* | |
867 | * Translate an internal style on-disk-dquot to the exportable format. | |
868 | * The main differences are that the counters/limits are all in Basic | |
869 | * Blocks (BBs) instead of the internal FSBs, and all on-disk data has | |
870 | * to be converted to the native endianness. | |
871 | */ | |
872 | STATIC void | |
873 | xfs_qm_export_dquot( | |
874 | xfs_mount_t *mp, | |
875 | xfs_disk_dquot_t *src, | |
876 | struct fs_disk_quota *dst) | |
877 | { | |
878 | memset(dst, 0, sizeof(*dst)); | |
879 | dst->d_version = FS_DQUOT_VERSION; /* different from src->d_version */ | |
1149d96a CH |
880 | dst->d_flags = xfs_qm_export_qtype_flags(src->d_flags); |
881 | dst->d_id = be32_to_cpu(src->d_id); | |
882 | dst->d_blk_hardlimit = | |
883 | XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_blk_hardlimit)); | |
884 | dst->d_blk_softlimit = | |
885 | XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_blk_softlimit)); | |
886 | dst->d_ino_hardlimit = be64_to_cpu(src->d_ino_hardlimit); | |
887 | dst->d_ino_softlimit = be64_to_cpu(src->d_ino_softlimit); | |
888 | dst->d_bcount = XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_bcount)); | |
889 | dst->d_icount = be64_to_cpu(src->d_icount); | |
890 | dst->d_btimer = be32_to_cpu(src->d_btimer); | |
891 | dst->d_itimer = be32_to_cpu(src->d_itimer); | |
892 | dst->d_iwarns = be16_to_cpu(src->d_iwarns); | |
893 | dst->d_bwarns = be16_to_cpu(src->d_bwarns); | |
894 | dst->d_rtb_hardlimit = | |
895 | XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_rtb_hardlimit)); | |
896 | dst->d_rtb_softlimit = | |
897 | XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_rtb_softlimit)); | |
898 | dst->d_rtbcount = XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_rtbcount)); | |
899 | dst->d_rtbtimer = be32_to_cpu(src->d_rtbtimer); | |
900 | dst->d_rtbwarns = be16_to_cpu(src->d_rtbwarns); | |
1da177e4 LT |
901 | |
902 | /* | |
903 | * Internally, we don't reset all the timers when quota enforcement | |
c41564b5 | 904 | * gets turned off. No need to confuse the user level code, |
1da177e4 LT |
905 | * so return zeroes in that case. |
906 | */ | |
e6d29426 KO |
907 | if ((!XFS_IS_UQUOTA_ENFORCED(mp) && src->d_flags == XFS_DQ_USER) || |
908 | (!XFS_IS_OQUOTA_ENFORCED(mp) && | |
909 | (src->d_flags & (XFS_DQ_PROJ | XFS_DQ_GROUP)))) { | |
1da177e4 LT |
910 | dst->d_btimer = 0; |
911 | dst->d_itimer = 0; | |
912 | dst->d_rtbtimer = 0; | |
913 | } | |
914 | ||
915 | #ifdef DEBUG | |
e6d29426 KO |
916 | if (((XFS_IS_UQUOTA_ENFORCED(mp) && dst->d_flags == XFS_USER_QUOTA) || |
917 | (XFS_IS_OQUOTA_ENFORCED(mp) && | |
918 | (dst->d_flags & (XFS_PROJ_QUOTA | XFS_GROUP_QUOTA)))) && | |
919 | dst->d_id != 0) { | |
1da177e4 LT |
920 | if (((int) dst->d_bcount >= (int) dst->d_blk_softlimit) && |
921 | (dst->d_blk_softlimit > 0)) { | |
922 | ASSERT(dst->d_btimer != 0); | |
923 | } | |
924 | if (((int) dst->d_icount >= (int) dst->d_ino_softlimit) && | |
925 | (dst->d_ino_softlimit > 0)) { | |
926 | ASSERT(dst->d_itimer != 0); | |
927 | } | |
928 | } | |
929 | #endif | |
930 | } | |
931 | ||
932 | STATIC uint | |
933 | xfs_qm_import_qtype_flags( | |
c8ad20ff | 934 | uint uflags) |
1da177e4 | 935 | { |
c8ad20ff NS |
936 | uint oflags = 0; |
937 | ||
1da177e4 | 938 | /* |
c8ad20ff | 939 | * Can't be more than one, or none. |
1da177e4 LT |
940 | */ |
941 | if (((uflags & (XFS_GROUP_QUOTA | XFS_USER_QUOTA)) == | |
c8ad20ff NS |
942 | (XFS_GROUP_QUOTA | XFS_USER_QUOTA)) || |
943 | ((uflags & (XFS_GROUP_QUOTA | XFS_PROJ_QUOTA)) == | |
944 | (XFS_GROUP_QUOTA | XFS_PROJ_QUOTA)) || | |
945 | ((uflags & (XFS_USER_QUOTA | XFS_PROJ_QUOTA)) == | |
946 | (XFS_USER_QUOTA | XFS_PROJ_QUOTA)) || | |
947 | ((uflags & (XFS_GROUP_QUOTA|XFS_USER_QUOTA|XFS_PROJ_QUOTA)) == 0)) | |
1da177e4 LT |
948 | return (0); |
949 | ||
c8ad20ff NS |
950 | oflags |= (uflags & XFS_USER_QUOTA) ? XFS_DQ_USER : 0; |
951 | oflags |= (uflags & XFS_PROJ_QUOTA) ? XFS_DQ_PROJ : 0; | |
952 | oflags |= (uflags & XFS_GROUP_QUOTA) ? XFS_DQ_GROUP: 0; | |
953 | return oflags; | |
1da177e4 LT |
954 | } |
955 | ||
956 | STATIC uint | |
957 | xfs_qm_export_qtype_flags( | |
958 | uint flags) | |
959 | { | |
960 | /* | |
c8ad20ff | 961 | * Can't be more than one, or none. |
1da177e4 | 962 | */ |
c8ad20ff NS |
963 | ASSERT((flags & (XFS_PROJ_QUOTA | XFS_USER_QUOTA)) != |
964 | (XFS_PROJ_QUOTA | XFS_USER_QUOTA)); | |
965 | ASSERT((flags & (XFS_PROJ_QUOTA | XFS_GROUP_QUOTA)) != | |
966 | (XFS_PROJ_QUOTA | XFS_GROUP_QUOTA)); | |
967 | ASSERT((flags & (XFS_USER_QUOTA | XFS_GROUP_QUOTA)) != | |
968 | (XFS_USER_QUOTA | XFS_GROUP_QUOTA)); | |
969 | ASSERT((flags & (XFS_PROJ_QUOTA|XFS_USER_QUOTA|XFS_GROUP_QUOTA)) != 0); | |
1da177e4 LT |
970 | |
971 | return (flags & XFS_DQ_USER) ? | |
c8ad20ff NS |
972 | XFS_USER_QUOTA : (flags & XFS_DQ_PROJ) ? |
973 | XFS_PROJ_QUOTA : XFS_GROUP_QUOTA; | |
1da177e4 LT |
974 | } |
975 | ||
976 | STATIC uint | |
977 | xfs_qm_import_flags( | |
978 | uint uflags) | |
979 | { | |
980 | uint flags = 0; | |
981 | ||
982 | if (uflags & XFS_QUOTA_UDQ_ACCT) | |
983 | flags |= XFS_UQUOTA_ACCT; | |
c8ad20ff NS |
984 | if (uflags & XFS_QUOTA_PDQ_ACCT) |
985 | flags |= XFS_PQUOTA_ACCT; | |
1da177e4 LT |
986 | if (uflags & XFS_QUOTA_GDQ_ACCT) |
987 | flags |= XFS_GQUOTA_ACCT; | |
988 | if (uflags & XFS_QUOTA_UDQ_ENFD) | |
989 | flags |= XFS_UQUOTA_ENFD; | |
c8ad20ff NS |
990 | if (uflags & (XFS_QUOTA_PDQ_ENFD|XFS_QUOTA_GDQ_ENFD)) |
991 | flags |= XFS_OQUOTA_ENFD; | |
1da177e4 LT |
992 | return (flags); |
993 | } | |
994 | ||
995 | ||
996 | STATIC uint | |
997 | xfs_qm_export_flags( | |
998 | uint flags) | |
999 | { | |
1000 | uint uflags; | |
1001 | ||
1002 | uflags = 0; | |
1003 | if (flags & XFS_UQUOTA_ACCT) | |
1004 | uflags |= XFS_QUOTA_UDQ_ACCT; | |
c8ad20ff NS |
1005 | if (flags & XFS_PQUOTA_ACCT) |
1006 | uflags |= XFS_QUOTA_PDQ_ACCT; | |
1da177e4 LT |
1007 | if (flags & XFS_GQUOTA_ACCT) |
1008 | uflags |= XFS_QUOTA_GDQ_ACCT; | |
1009 | if (flags & XFS_UQUOTA_ENFD) | |
1010 | uflags |= XFS_QUOTA_UDQ_ENFD; | |
c8ad20ff NS |
1011 | if (flags & (XFS_OQUOTA_ENFD)) { |
1012 | uflags |= (flags & XFS_GQUOTA_ACCT) ? | |
1013 | XFS_QUOTA_GDQ_ENFD : XFS_QUOTA_PDQ_ENFD; | |
1014 | } | |
1da177e4 LT |
1015 | return (uflags); |
1016 | } | |
1017 | ||
1018 | ||
1019 | /* | |
1020 | * Go thru all the inodes in the file system, releasing their dquots. | |
1021 | * Note that the mount structure gets modified to indicate that quotas are off | |
1022 | * AFTER this, in the case of quotaoff. This also gets called from | |
1023 | * xfs_rootumount. | |
1024 | */ | |
1025 | void | |
1026 | xfs_qm_dqrele_all_inodes( | |
1027 | struct xfs_mount *mp, | |
1028 | uint flags) | |
1029 | { | |
1da177e4 LT |
1030 | xfs_inode_t *ip, *topino; |
1031 | uint ireclaims; | |
67fcaa73 | 1032 | bhv_vnode_t *vp; |
1da177e4 LT |
1033 | boolean_t vnode_refd; |
1034 | ||
1035 | ASSERT(mp->m_quotainfo); | |
1036 | ||
1da177e4 | 1037 | XFS_MOUNT_ILOCK(mp); |
cdb62687 | 1038 | again: |
1da177e4 LT |
1039 | ip = mp->m_inodes; |
1040 | if (ip == NULL) { | |
1041 | XFS_MOUNT_IUNLOCK(mp); | |
1042 | return; | |
1043 | } | |
1044 | do { | |
1045 | /* Skip markers inserted by xfs_sync */ | |
1046 | if (ip->i_mount == NULL) { | |
1047 | ip = ip->i_mnext; | |
1048 | continue; | |
1049 | } | |
1050 | /* Root inode, rbmip and rsumip have associated blocks */ | |
1051 | if (ip == XFS_QI_UQIP(mp) || ip == XFS_QI_GQIP(mp)) { | |
1052 | ASSERT(ip->i_udquot == NULL); | |
1053 | ASSERT(ip->i_gdquot == NULL); | |
1054 | ip = ip->i_mnext; | |
1055 | continue; | |
1056 | } | |
1057 | vp = XFS_ITOV_NULL(ip); | |
1058 | if (!vp) { | |
1059 | ASSERT(ip->i_udquot == NULL); | |
1060 | ASSERT(ip->i_gdquot == NULL); | |
1061 | ip = ip->i_mnext; | |
1062 | continue; | |
1063 | } | |
1064 | vnode_refd = B_FALSE; | |
1065 | if (xfs_ilock_nowait(ip, XFS_ILOCK_EXCL) == 0) { | |
1da177e4 LT |
1066 | ireclaims = mp->m_ireclaims; |
1067 | topino = mp->m_inodes; | |
cdb62687 CH |
1068 | vp = vn_grab(vp); |
1069 | if (!vp) | |
1070 | goto again; | |
1da177e4 | 1071 | |
cdb62687 | 1072 | XFS_MOUNT_IUNLOCK(mp); |
1da177e4 | 1073 | /* XXX restart limit ? */ |
1da177e4 LT |
1074 | xfs_ilock(ip, XFS_ILOCK_EXCL); |
1075 | vnode_refd = B_TRUE; | |
1076 | } else { | |
1077 | ireclaims = mp->m_ireclaims; | |
1078 | topino = mp->m_inodes; | |
1079 | XFS_MOUNT_IUNLOCK(mp); | |
1080 | } | |
1081 | ||
1082 | /* | |
1083 | * We don't keep the mountlock across the dqrele() call, | |
1084 | * since it can take a while.. | |
1085 | */ | |
1086 | if ((flags & XFS_UQUOTA_ACCT) && ip->i_udquot) { | |
1087 | xfs_qm_dqrele(ip->i_udquot); | |
1088 | ip->i_udquot = NULL; | |
1089 | } | |
c8ad20ff | 1090 | if (flags & (XFS_PQUOTA_ACCT|XFS_GQUOTA_ACCT) && ip->i_gdquot) { |
1da177e4 LT |
1091 | xfs_qm_dqrele(ip->i_gdquot); |
1092 | ip->i_gdquot = NULL; | |
1093 | } | |
1094 | xfs_iunlock(ip, XFS_ILOCK_EXCL); | |
1095 | /* | |
1096 | * Wait until we've dropped the ilock and mountlock to | |
1097 | * do the vn_rele. Or be condemned to an eternity in the | |
1098 | * inactive code in hell. | |
1099 | */ | |
1100 | if (vnode_refd) | |
1101 | VN_RELE(vp); | |
1102 | XFS_MOUNT_ILOCK(mp); | |
1103 | /* | |
1104 | * If an inode was inserted or removed, we gotta | |
1105 | * start over again. | |
1106 | */ | |
1107 | if (topino != mp->m_inodes || mp->m_ireclaims != ireclaims) { | |
1108 | /* XXX use a sentinel */ | |
1da177e4 LT |
1109 | goto again; |
1110 | } | |
1111 | ip = ip->i_mnext; | |
1112 | } while (ip != mp->m_inodes); | |
1113 | ||
1114 | XFS_MOUNT_IUNLOCK(mp); | |
1115 | } | |
1116 | ||
1117 | /*------------------------------------------------------------------------*/ | |
1118 | #ifdef DEBUG | |
1119 | /* | |
1120 | * This contains all the test functions for XFS disk quotas. | |
1121 | * Currently it does a quota accounting check. ie. it walks through | |
1122 | * all inodes in the file system, calculating the dquot accounting fields, | |
1123 | * and prints out any inconsistencies. | |
1124 | */ | |
1125 | xfs_dqhash_t *qmtest_udqtab; | |
1126 | xfs_dqhash_t *qmtest_gdqtab; | |
1127 | int qmtest_hashmask; | |
1128 | int qmtest_nfails; | |
1129 | mutex_t qcheck_lock; | |
1130 | ||
1131 | #define DQTEST_HASHVAL(mp, id) (((__psunsigned_t)(mp) + \ | |
1132 | (__psunsigned_t)(id)) & \ | |
1133 | (qmtest_hashmask - 1)) | |
1134 | ||
1135 | #define DQTEST_HASH(mp, id, type) ((type & XFS_DQ_USER) ? \ | |
1136 | (qmtest_udqtab + \ | |
1137 | DQTEST_HASHVAL(mp, id)) : \ | |
1138 | (qmtest_gdqtab + \ | |
1139 | DQTEST_HASHVAL(mp, id))) | |
1140 | ||
1141 | #define DQTEST_LIST_PRINT(l, NXT, title) \ | |
1142 | { \ | |
1143 | xfs_dqtest_t *dqp; int i = 0;\ | |
1144 | cmn_err(CE_DEBUG, "%s (#%d)", title, (int) (l)->qh_nelems); \ | |
1145 | for (dqp = (xfs_dqtest_t *)(l)->qh_next; dqp != NULL; \ | |
1146 | dqp = (xfs_dqtest_t *)dqp->NXT) { \ | |
1147 | cmn_err(CE_DEBUG, " %d. \"%d (%s)\" bcnt = %d, icnt = %d", \ | |
1148 | ++i, dqp->d_id, DQFLAGTO_TYPESTR(dqp), \ | |
1149 | dqp->d_bcount, dqp->d_icount); } \ | |
1150 | } | |
1151 | ||
1152 | typedef struct dqtest { | |
1153 | xfs_dqmarker_t q_lists; | |
1154 | xfs_dqhash_t *q_hash; /* the hashchain header */ | |
1155 | xfs_mount_t *q_mount; /* filesystem this relates to */ | |
1156 | xfs_dqid_t d_id; /* user id or group id */ | |
1157 | xfs_qcnt_t d_bcount; /* # disk blocks owned by the user */ | |
1158 | xfs_qcnt_t d_icount; /* # inodes owned by the user */ | |
1159 | } xfs_dqtest_t; | |
1160 | ||
1161 | STATIC void | |
1162 | xfs_qm_hashinsert(xfs_dqhash_t *h, xfs_dqtest_t *dqp) | |
1163 | { | |
1164 | xfs_dquot_t *d; | |
1165 | if (((d) = (h)->qh_next)) | |
1166 | (d)->HL_PREVP = &((dqp)->HL_NEXT); | |
1167 | (dqp)->HL_NEXT = d; | |
1168 | (dqp)->HL_PREVP = &((h)->qh_next); | |
1169 | (h)->qh_next = (xfs_dquot_t *)dqp; | |
1170 | (h)->qh_version++; | |
1171 | (h)->qh_nelems++; | |
1172 | } | |
1173 | STATIC void | |
1174 | xfs_qm_dqtest_print( | |
1175 | xfs_dqtest_t *d) | |
1176 | { | |
1177 | cmn_err(CE_DEBUG, "-----------DQTEST DQUOT----------------"); | |
1178 | cmn_err(CE_DEBUG, "---- dquot ID = %d", d->d_id); | |
1da177e4 LT |
1179 | cmn_err(CE_DEBUG, "---- fs = 0x%p", d->q_mount); |
1180 | cmn_err(CE_DEBUG, "---- bcount = %Lu (0x%x)", | |
1181 | d->d_bcount, (int)d->d_bcount); | |
1182 | cmn_err(CE_DEBUG, "---- icount = %Lu (0x%x)", | |
1183 | d->d_icount, (int)d->d_icount); | |
1184 | cmn_err(CE_DEBUG, "---------------------------"); | |
1185 | } | |
1186 | ||
1187 | STATIC void | |
1188 | xfs_qm_dqtest_failed( | |
1189 | xfs_dqtest_t *d, | |
1190 | xfs_dquot_t *dqp, | |
1191 | char *reason, | |
1192 | xfs_qcnt_t a, | |
1193 | xfs_qcnt_t b, | |
1194 | int error) | |
1195 | { | |
1196 | qmtest_nfails++; | |
1197 | if (error) | |
1198 | cmn_err(CE_DEBUG, "quotacheck failed id=%d, err=%d\nreason: %s", | |
1149d96a | 1199 | d->d_id, error, reason); |
1da177e4 LT |
1200 | else |
1201 | cmn_err(CE_DEBUG, "quotacheck failed id=%d (%s) [%d != %d]", | |
1149d96a | 1202 | d->d_id, reason, (int)a, (int)b); |
1da177e4 LT |
1203 | xfs_qm_dqtest_print(d); |
1204 | if (dqp) | |
1205 | xfs_qm_dqprint(dqp); | |
1206 | } | |
1207 | ||
1208 | STATIC int | |
1209 | xfs_dqtest_cmp2( | |
1210 | xfs_dqtest_t *d, | |
1211 | xfs_dquot_t *dqp) | |
1212 | { | |
1213 | int err = 0; | |
1149d96a | 1214 | if (be64_to_cpu(dqp->q_core.d_icount) != d->d_icount) { |
1da177e4 | 1215 | xfs_qm_dqtest_failed(d, dqp, "icount mismatch", |
1149d96a | 1216 | be64_to_cpu(dqp->q_core.d_icount), |
1da177e4 LT |
1217 | d->d_icount, 0); |
1218 | err++; | |
1219 | } | |
1149d96a | 1220 | if (be64_to_cpu(dqp->q_core.d_bcount) != d->d_bcount) { |
1da177e4 | 1221 | xfs_qm_dqtest_failed(d, dqp, "bcount mismatch", |
1149d96a | 1222 | be64_to_cpu(dqp->q_core.d_bcount), |
1da177e4 LT |
1223 | d->d_bcount, 0); |
1224 | err++; | |
1225 | } | |
1149d96a CH |
1226 | if (dqp->q_core.d_blk_softlimit && |
1227 | be64_to_cpu(dqp->q_core.d_bcount) >= | |
1228 | be64_to_cpu(dqp->q_core.d_blk_softlimit)) { | |
1da177e4 LT |
1229 | if (!dqp->q_core.d_btimer && dqp->q_core.d_id) { |
1230 | cmn_err(CE_DEBUG, | |
1231 | "%d [%s] [0x%p] BLK TIMER NOT STARTED", | |
1232 | d->d_id, DQFLAGTO_TYPESTR(d), d->q_mount); | |
1233 | err++; | |
1234 | } | |
1235 | } | |
1149d96a CH |
1236 | if (dqp->q_core.d_ino_softlimit && |
1237 | be64_to_cpu(dqp->q_core.d_icount) >= | |
1238 | be64_to_cpu(dqp->q_core.d_ino_softlimit)) { | |
1da177e4 LT |
1239 | if (!dqp->q_core.d_itimer && dqp->q_core.d_id) { |
1240 | cmn_err(CE_DEBUG, | |
1241 | "%d [%s] [0x%p] INO TIMER NOT STARTED", | |
1242 | d->d_id, DQFLAGTO_TYPESTR(d), d->q_mount); | |
1243 | err++; | |
1244 | } | |
1245 | } | |
1246 | #ifdef QUOTADEBUG | |
1247 | if (!err) { | |
1248 | cmn_err(CE_DEBUG, "%d [%s] [0x%p] qchecked", | |
c8ad20ff | 1249 | d->d_id, DQFLAGTO_TYPESTR(d), d->q_mount); |
1da177e4 LT |
1250 | } |
1251 | #endif | |
1252 | return (err); | |
1253 | } | |
1254 | ||
1255 | STATIC void | |
1256 | xfs_dqtest_cmp( | |
1257 | xfs_dqtest_t *d) | |
1258 | { | |
1259 | xfs_dquot_t *dqp; | |
1260 | int error; | |
1261 | ||
1262 | /* xfs_qm_dqtest_print(d); */ | |
1263 | if ((error = xfs_qm_dqget(d->q_mount, NULL, d->d_id, d->dq_flags, 0, | |
1264 | &dqp))) { | |
1265 | xfs_qm_dqtest_failed(d, NULL, "dqget failed", 0, 0, error); | |
1266 | return; | |
1267 | } | |
1268 | xfs_dqtest_cmp2(d, dqp); | |
1269 | xfs_qm_dqput(dqp); | |
1270 | } | |
1271 | ||
1272 | STATIC int | |
1273 | xfs_qm_internalqcheck_dqget( | |
1274 | xfs_mount_t *mp, | |
1275 | xfs_dqid_t id, | |
1276 | uint type, | |
1277 | xfs_dqtest_t **O_dq) | |
1278 | { | |
1279 | xfs_dqtest_t *d; | |
1280 | xfs_dqhash_t *h; | |
1281 | ||
1282 | h = DQTEST_HASH(mp, id, type); | |
1283 | for (d = (xfs_dqtest_t *) h->qh_next; d != NULL; | |
1284 | d = (xfs_dqtest_t *) d->HL_NEXT) { | |
1285 | /* DQTEST_LIST_PRINT(h, HL_NEXT, "@@@@@ dqtestlist @@@@@"); */ | |
1286 | if (d->d_id == id && mp == d->q_mount) { | |
1287 | *O_dq = d; | |
1288 | return (0); | |
1289 | } | |
1290 | } | |
1291 | d = kmem_zalloc(sizeof(xfs_dqtest_t), KM_SLEEP); | |
1292 | d->dq_flags = type; | |
1293 | d->d_id = id; | |
1294 | d->q_mount = mp; | |
1295 | d->q_hash = h; | |
1296 | xfs_qm_hashinsert(h, d); | |
1297 | *O_dq = d; | |
1298 | return (0); | |
1299 | } | |
1300 | ||
1301 | STATIC void | |
1302 | xfs_qm_internalqcheck_get_dquots( | |
1303 | xfs_mount_t *mp, | |
1304 | xfs_dqid_t uid, | |
c8ad20ff | 1305 | xfs_dqid_t projid, |
1da177e4 LT |
1306 | xfs_dqid_t gid, |
1307 | xfs_dqtest_t **ud, | |
1308 | xfs_dqtest_t **gd) | |
1309 | { | |
1310 | if (XFS_IS_UQUOTA_ON(mp)) | |
1311 | xfs_qm_internalqcheck_dqget(mp, uid, XFS_DQ_USER, ud); | |
1312 | if (XFS_IS_GQUOTA_ON(mp)) | |
1313 | xfs_qm_internalqcheck_dqget(mp, gid, XFS_DQ_GROUP, gd); | |
c8ad20ff NS |
1314 | else if (XFS_IS_PQUOTA_ON(mp)) |
1315 | xfs_qm_internalqcheck_dqget(mp, projid, XFS_DQ_PROJ, gd); | |
1da177e4 LT |
1316 | } |
1317 | ||
1318 | ||
1319 | STATIC void | |
1320 | xfs_qm_internalqcheck_dqadjust( | |
1321 | xfs_inode_t *ip, | |
1322 | xfs_dqtest_t *d) | |
1323 | { | |
1324 | d->d_icount++; | |
1325 | d->d_bcount += (xfs_qcnt_t)ip->i_d.di_nblocks; | |
1326 | } | |
1327 | ||
1328 | STATIC int | |
1329 | xfs_qm_internalqcheck_adjust( | |
1330 | xfs_mount_t *mp, /* mount point for filesystem */ | |
1331 | xfs_ino_t ino, /* inode number to get data for */ | |
1332 | void __user *buffer, /* not used */ | |
1333 | int ubsize, /* not used */ | |
1334 | void *private_data, /* not used */ | |
1335 | xfs_daddr_t bno, /* starting block of inode cluster */ | |
1336 | int *ubused, /* not used */ | |
1337 | void *dip, /* not used */ | |
1338 | int *res) /* bulkstat result code */ | |
1339 | { | |
1340 | xfs_inode_t *ip; | |
1341 | xfs_dqtest_t *ud, *gd; | |
1342 | uint lock_flags; | |
1343 | boolean_t ipreleased; | |
1344 | int error; | |
1345 | ||
1346 | ASSERT(XFS_IS_QUOTA_RUNNING(mp)); | |
1347 | ||
1348 | if (ino == mp->m_sb.sb_uquotino || ino == mp->m_sb.sb_gquotino) { | |
1349 | *res = BULKSTAT_RV_NOTHING; | |
1350 | qdprintk("internalqcheck: ino=%llu, uqino=%llu, gqino=%llu\n", | |
1351 | (unsigned long long) ino, | |
1352 | (unsigned long long) mp->m_sb.sb_uquotino, | |
1353 | (unsigned long long) mp->m_sb.sb_gquotino); | |
1354 | return XFS_ERROR(EINVAL); | |
1355 | } | |
1356 | ipreleased = B_FALSE; | |
1357 | again: | |
1358 | lock_flags = XFS_ILOCK_SHARED; | |
1359 | if ((error = xfs_iget(mp, NULL, ino, 0, lock_flags, &ip, bno))) { | |
1360 | *res = BULKSTAT_RV_NOTHING; | |
1361 | return (error); | |
1362 | } | |
1363 | ||
1364 | if (ip->i_d.di_mode == 0) { | |
1365 | xfs_iput_new(ip, lock_flags); | |
1366 | *res = BULKSTAT_RV_NOTHING; | |
1367 | return XFS_ERROR(ENOENT); | |
1368 | } | |
1369 | ||
1370 | /* | |
1371 | * This inode can have blocks after eof which can get released | |
1372 | * when we send it to inactive. Since we don't check the dquot | |
1373 | * until the after all our calculations are done, we must get rid | |
1374 | * of those now. | |
1375 | */ | |
1376 | if (! ipreleased) { | |
1377 | xfs_iput(ip, lock_flags); | |
1378 | ipreleased = B_TRUE; | |
1379 | goto again; | |
1380 | } | |
1381 | xfs_qm_internalqcheck_get_dquots(mp, | |
1382 | (xfs_dqid_t) ip->i_d.di_uid, | |
c8ad20ff | 1383 | (xfs_dqid_t) ip->i_d.di_projid, |
1da177e4 LT |
1384 | (xfs_dqid_t) ip->i_d.di_gid, |
1385 | &ud, &gd); | |
1386 | if (XFS_IS_UQUOTA_ON(mp)) { | |
1387 | ASSERT(ud); | |
1388 | xfs_qm_internalqcheck_dqadjust(ip, ud); | |
1389 | } | |
c8ad20ff | 1390 | if (XFS_IS_OQUOTA_ON(mp)) { |
1da177e4 LT |
1391 | ASSERT(gd); |
1392 | xfs_qm_internalqcheck_dqadjust(ip, gd); | |
1393 | } | |
1394 | xfs_iput(ip, lock_flags); | |
1395 | *res = BULKSTAT_RV_DIDONE; | |
1396 | return (0); | |
1397 | } | |
1398 | ||
1399 | ||
1400 | /* PRIVATE, debugging */ | |
1401 | int | |
1402 | xfs_qm_internalqcheck( | |
1403 | xfs_mount_t *mp) | |
1404 | { | |
1405 | xfs_ino_t lastino; | |
1406 | int done, count; | |
1407 | int i; | |
1408 | xfs_dqtest_t *d, *e; | |
1409 | xfs_dqhash_t *h1; | |
1410 | int error; | |
1411 | ||
1412 | lastino = 0; | |
1413 | qmtest_hashmask = 32; | |
1414 | count = 5; | |
1415 | done = 0; | |
1416 | qmtest_nfails = 0; | |
1417 | ||
1418 | if (! XFS_IS_QUOTA_ON(mp)) | |
1419 | return XFS_ERROR(ESRCH); | |
1420 | ||
1421 | xfs_log_force(mp, (xfs_lsn_t)0, XFS_LOG_FORCE | XFS_LOG_SYNC); | |
1422 | XFS_bflush(mp->m_ddev_targp); | |
1423 | xfs_log_force(mp, (xfs_lsn_t)0, XFS_LOG_FORCE | XFS_LOG_SYNC); | |
1424 | XFS_bflush(mp->m_ddev_targp); | |
1425 | ||
794ee1ba | 1426 | mutex_lock(&qcheck_lock); |
1da177e4 LT |
1427 | /* There should be absolutely no quota activity while this |
1428 | is going on. */ | |
1429 | qmtest_udqtab = kmem_zalloc(qmtest_hashmask * | |
1430 | sizeof(xfs_dqhash_t), KM_SLEEP); | |
1431 | qmtest_gdqtab = kmem_zalloc(qmtest_hashmask * | |
1432 | sizeof(xfs_dqhash_t), KM_SLEEP); | |
1433 | do { | |
1434 | /* | |
1435 | * Iterate thru all the inodes in the file system, | |
1436 | * adjusting the corresponding dquot counters | |
1437 | */ | |
1438 | if ((error = xfs_bulkstat(mp, &lastino, &count, | |
1439 | xfs_qm_internalqcheck_adjust, NULL, | |
1440 | 0, NULL, BULKSTAT_FG_IGET, &done))) { | |
1441 | break; | |
1442 | } | |
1443 | } while (! done); | |
1444 | if (error) { | |
1445 | cmn_err(CE_DEBUG, "Bulkstat returned error 0x%x", error); | |
1446 | } | |
1447 | cmn_err(CE_DEBUG, "Checking results against system dquots"); | |
1448 | for (i = 0; i < qmtest_hashmask; i++) { | |
1449 | h1 = &qmtest_udqtab[i]; | |
1450 | for (d = (xfs_dqtest_t *) h1->qh_next; d != NULL; ) { | |
1451 | xfs_dqtest_cmp(d); | |
1452 | e = (xfs_dqtest_t *) d->HL_NEXT; | |
1453 | kmem_free(d, sizeof(xfs_dqtest_t)); | |
1454 | d = e; | |
1455 | } | |
1456 | h1 = &qmtest_gdqtab[i]; | |
1457 | for (d = (xfs_dqtest_t *) h1->qh_next; d != NULL; ) { | |
1458 | xfs_dqtest_cmp(d); | |
1459 | e = (xfs_dqtest_t *) d->HL_NEXT; | |
1460 | kmem_free(d, sizeof(xfs_dqtest_t)); | |
1461 | d = e; | |
1462 | } | |
1463 | } | |
1464 | ||
1465 | if (qmtest_nfails) { | |
1466 | cmn_err(CE_DEBUG, "******** quotacheck failed ********"); | |
1467 | cmn_err(CE_DEBUG, "failures = %d", qmtest_nfails); | |
1468 | } else { | |
1469 | cmn_err(CE_DEBUG, "******** quotacheck successful! ********"); | |
1470 | } | |
1471 | kmem_free(qmtest_udqtab, qmtest_hashmask * sizeof(xfs_dqhash_t)); | |
1472 | kmem_free(qmtest_gdqtab, qmtest_hashmask * sizeof(xfs_dqhash_t)); | |
1473 | mutex_unlock(&qcheck_lock); | |
1474 | return (qmtest_nfails); | |
1475 | } | |
1476 | ||
1477 | #endif /* DEBUG */ |