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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( | |
84 | struct bhv_desc *bdp, | |
85 | int cmd, | |
86 | int id, | |
87 | xfs_caddr_t addr) | |
88 | { | |
89 | xfs_mount_t *mp; | |
b83bd138 | 90 | bhv_vfs_t *vfsp; |
1da177e4 | 91 | int error; |
1da177e4 LT |
92 | |
93 | vfsp = bhvtovfs(bdp); | |
94 | mp = XFS_VFSTOM(vfsp); | |
95 | ||
ee34807a | 96 | ASSERT(addr != NULL || cmd == Q_XQUOTASYNC); |
1da177e4 LT |
97 | |
98 | /* | |
99 | * The following commands are valid even when quotaoff. | |
100 | */ | |
101 | switch (cmd) { | |
c8ad20ff | 102 | case Q_XQUOTARM: |
1da177e4 | 103 | /* |
c8ad20ff | 104 | * Truncate quota files. quota must be off. |
1da177e4 | 105 | */ |
c310ab6c | 106 | if (XFS_IS_QUOTA_ON(mp)) |
1da177e4 LT |
107 | return XFS_ERROR(EINVAL); |
108 | if (vfsp->vfs_flag & VFS_RDONLY) | |
109 | return XFS_ERROR(EROFS); | |
110 | return (xfs_qm_scall_trunc_qfiles(mp, | |
111 | xfs_qm_import_qtype_flags(*(uint *)addr))); | |
c8ad20ff NS |
112 | |
113 | case Q_XGETQSTAT: | |
1da177e4 LT |
114 | /* |
115 | * Get quota status information. | |
116 | */ | |
1da177e4 LT |
117 | return (xfs_qm_scall_getqstat(mp, (fs_quota_stat_t *)addr)); |
118 | ||
c8ad20ff | 119 | case Q_XQUOTAON: |
1da177e4 | 120 | /* |
c8ad20ff NS |
121 | * QUOTAON - enabling quota enforcement. |
122 | * Quota accounting must be turned on at mount time. | |
1da177e4 | 123 | */ |
1da177e4 LT |
124 | if (vfsp->vfs_flag & VFS_RDONLY) |
125 | return XFS_ERROR(EROFS); | |
126 | return (xfs_qm_scall_quotaon(mp, | |
127 | xfs_qm_import_flags(*(uint *)addr))); | |
c8ad20ff NS |
128 | |
129 | case Q_XQUOTAOFF: | |
1da177e4 LT |
130 | if (vfsp->vfs_flag & VFS_RDONLY) |
131 | return XFS_ERROR(EROFS); | |
132 | break; | |
133 | ||
ee34807a | 134 | case Q_XQUOTASYNC: |
1f9b3b64 | 135 | return (xfs_sync_inodes(mp, SYNC_DELWRI, NULL)); |
ee34807a | 136 | |
c8ad20ff | 137 | default: |
1da177e4 LT |
138 | break; |
139 | } | |
140 | ||
141 | if (! XFS_IS_QUOTA_ON(mp)) | |
142 | return XFS_ERROR(ESRCH); | |
143 | ||
144 | switch (cmd) { | |
c8ad20ff | 145 | case Q_XQUOTAOFF: |
1da177e4 LT |
146 | if (vfsp->vfs_flag & VFS_RDONLY) |
147 | return XFS_ERROR(EROFS); | |
148 | error = xfs_qm_scall_quotaoff(mp, | |
149 | xfs_qm_import_flags(*(uint *)addr), | |
150 | B_FALSE); | |
151 | break; | |
152 | ||
c8ad20ff | 153 | case Q_XGETQUOTA: |
1da177e4 LT |
154 | error = xfs_qm_scall_getquota(mp, (xfs_dqid_t)id, XFS_DQ_USER, |
155 | (fs_disk_quota_t *)addr); | |
156 | break; | |
c8ad20ff NS |
157 | case Q_XGETGQUOTA: |
158 | error = xfs_qm_scall_getquota(mp, (xfs_dqid_t)id, XFS_DQ_GROUP, | |
159 | (fs_disk_quota_t *)addr); | |
160 | break; | |
161 | case Q_XGETPQUOTA: | |
162 | error = xfs_qm_scall_getquota(mp, (xfs_dqid_t)id, XFS_DQ_PROJ, | |
163 | (fs_disk_quota_t *)addr); | |
164 | break; | |
165 | ||
166 | case Q_XSETQLIM: | |
1da177e4 LT |
167 | if (vfsp->vfs_flag & VFS_RDONLY) |
168 | return XFS_ERROR(EROFS); | |
169 | error = xfs_qm_scall_setqlim(mp, (xfs_dqid_t)id, XFS_DQ_USER, | |
170 | (fs_disk_quota_t *)addr); | |
171 | break; | |
c8ad20ff | 172 | case Q_XSETGQLIM: |
1da177e4 LT |
173 | if (vfsp->vfs_flag & VFS_RDONLY) |
174 | return XFS_ERROR(EROFS); | |
175 | error = xfs_qm_scall_setqlim(mp, (xfs_dqid_t)id, XFS_DQ_GROUP, | |
176 | (fs_disk_quota_t *)addr); | |
177 | break; | |
c8ad20ff NS |
178 | case Q_XSETPQLIM: |
179 | if (vfsp->vfs_flag & VFS_RDONLY) | |
180 | return XFS_ERROR(EROFS); | |
181 | error = xfs_qm_scall_setqlim(mp, (xfs_dqid_t)id, XFS_DQ_PROJ, | |
182 | (fs_disk_quota_t *)addr); | |
1da177e4 LT |
183 | break; |
184 | ||
c8ad20ff | 185 | default: |
1da177e4 LT |
186 | error = XFS_ERROR(EINVAL); |
187 | break; | |
188 | } | |
189 | ||
190 | return (error); | |
191 | } | |
192 | ||
193 | /* | |
194 | * Turn off quota accounting and/or enforcement for all udquots and/or | |
195 | * gdquots. Called only at unmount time. | |
196 | * | |
197 | * This assumes that there are no dquots of this file system cached | |
198 | * incore, and modifies the ondisk dquot directly. Therefore, for example, | |
199 | * it is an error to call this twice, without purging the cache. | |
200 | */ | |
201 | STATIC int | |
202 | xfs_qm_scall_quotaoff( | |
203 | xfs_mount_t *mp, | |
204 | uint flags, | |
205 | boolean_t force) | |
206 | { | |
207 | uint dqtype; | |
208 | unsigned long s; | |
209 | int error; | |
210 | uint inactivate_flags; | |
211 | xfs_qoff_logitem_t *qoffstart; | |
212 | int nculprits; | |
213 | ||
214 | if (!force && !capable(CAP_SYS_ADMIN)) | |
215 | return XFS_ERROR(EPERM); | |
216 | /* | |
217 | * No file system can have quotas enabled on disk but not in core. | |
218 | * Note that quota utilities (like quotaoff) _expect_ | |
219 | * errno == EEXIST here. | |
220 | */ | |
221 | if ((mp->m_qflags & flags) == 0) | |
222 | return XFS_ERROR(EEXIST); | |
223 | error = 0; | |
224 | ||
225 | flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD); | |
226 | ||
227 | /* | |
228 | * We don't want to deal with two quotaoffs messing up each other, | |
229 | * so we're going to serialize it. quotaoff isn't exactly a performance | |
230 | * critical thing. | |
231 | * If quotaoff, then we must be dealing with the root filesystem. | |
232 | */ | |
233 | ASSERT(mp->m_quotainfo); | |
234 | if (mp->m_quotainfo) | |
794ee1ba | 235 | mutex_lock(&(XFS_QI_QOFFLOCK(mp))); |
1da177e4 LT |
236 | |
237 | ASSERT(mp->m_quotainfo); | |
238 | ||
239 | /* | |
240 | * If we're just turning off quota enforcement, change mp and go. | |
241 | */ | |
242 | if ((flags & XFS_ALL_QUOTA_ACCT) == 0) { | |
243 | mp->m_qflags &= ~(flags); | |
244 | ||
245 | s = XFS_SB_LOCK(mp); | |
246 | mp->m_sb.sb_qflags = mp->m_qflags; | |
247 | XFS_SB_UNLOCK(mp, s); | |
248 | mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); | |
249 | ||
250 | /* XXX what to do if error ? Revert back to old vals incore ? */ | |
251 | error = xfs_qm_write_sb_changes(mp, XFS_SB_QFLAGS); | |
252 | return (error); | |
253 | } | |
254 | ||
255 | dqtype = 0; | |
256 | inactivate_flags = 0; | |
257 | /* | |
258 | * If accounting is off, we must turn enforcement off, clear the | |
259 | * quota 'CHKD' certificate to make it known that we have to | |
260 | * do a quotacheck the next time this quota is turned on. | |
261 | */ | |
262 | if (flags & XFS_UQUOTA_ACCT) { | |
263 | dqtype |= XFS_QMOPT_UQUOTA; | |
264 | flags |= (XFS_UQUOTA_CHKD | XFS_UQUOTA_ENFD); | |
265 | inactivate_flags |= XFS_UQUOTA_ACTIVE; | |
266 | } | |
267 | if (flags & XFS_GQUOTA_ACCT) { | |
268 | dqtype |= XFS_QMOPT_GQUOTA; | |
c8ad20ff | 269 | flags |= (XFS_OQUOTA_CHKD | XFS_OQUOTA_ENFD); |
1da177e4 | 270 | inactivate_flags |= XFS_GQUOTA_ACTIVE; |
c8ad20ff NS |
271 | } else if (flags & XFS_PQUOTA_ACCT) { |
272 | dqtype |= XFS_QMOPT_PQUOTA; | |
273 | flags |= (XFS_OQUOTA_CHKD | XFS_OQUOTA_ENFD); | |
274 | inactivate_flags |= XFS_PQUOTA_ACTIVE; | |
1da177e4 LT |
275 | } |
276 | ||
277 | /* | |
278 | * Nothing to do? Don't complain. This happens when we're just | |
279 | * turning off quota enforcement. | |
280 | */ | |
281 | if ((mp->m_qflags & flags) == 0) { | |
282 | mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); | |
283 | return (0); | |
284 | } | |
285 | ||
286 | /* | |
287 | * Write the LI_QUOTAOFF log record, and do SB changes atomically, | |
288 | * and synchronously. | |
289 | */ | |
290 | xfs_qm_log_quotaoff(mp, &qoffstart, flags); | |
291 | ||
292 | /* | |
293 | * Next we clear the XFS_MOUNT_*DQ_ACTIVE bit(s) in the mount struct | |
294 | * to take care of the race between dqget and quotaoff. We don't take | |
295 | * any special locks to reset these bits. All processes need to check | |
296 | * these bits *after* taking inode lock(s) to see if the particular | |
297 | * quota type is in the process of being turned off. If *ACTIVE, it is | |
298 | * guaranteed that all dquot structures and all quotainode ptrs will all | |
299 | * stay valid as long as that inode is kept locked. | |
300 | * | |
301 | * There is no turning back after this. | |
302 | */ | |
303 | mp->m_qflags &= ~inactivate_flags; | |
304 | ||
305 | /* | |
306 | * Give back all the dquot reference(s) held by inodes. | |
307 | * Here we go thru every single incore inode in this file system, and | |
308 | * do a dqrele on the i_udquot/i_gdquot that it may have. | |
309 | * Essentially, as long as somebody has an inode locked, this guarantees | |
310 | * that quotas will not be turned off. This is handy because in a | |
311 | * transaction once we lock the inode(s) and check for quotaon, we can | |
312 | * depend on the quota inodes (and other things) being valid as long as | |
313 | * we keep the lock(s). | |
314 | */ | |
315 | xfs_qm_dqrele_all_inodes(mp, flags); | |
316 | ||
317 | /* | |
318 | * Next we make the changes in the quota flag in the mount struct. | |
319 | * This isn't protected by a particular lock directly, because we | |
320 | * don't want to take a mrlock everytime we depend on quotas being on. | |
321 | */ | |
322 | mp->m_qflags &= ~(flags); | |
323 | ||
324 | /* | |
325 | * Go through all the dquots of this file system and purge them, | |
326 | * according to what was turned off. We may not be able to get rid | |
327 | * of all dquots, because dquots can have temporary references that | |
328 | * are not attached to inodes. eg. xfs_setattr, xfs_create. | |
329 | * So, if we couldn't purge all the dquots from the filesystem, | |
330 | * we can't get rid of the incore data structures. | |
331 | */ | |
332 | while ((nculprits = xfs_qm_dqpurge_all(mp, dqtype|XFS_QMOPT_QUOTAOFF))) | |
333 | delay(10 * nculprits); | |
334 | ||
335 | /* | |
336 | * Transactions that had started before ACTIVE state bit was cleared | |
337 | * could have logged many dquots, so they'd have higher LSNs than | |
338 | * the first QUOTAOFF log record does. If we happen to crash when | |
339 | * the tail of the log has gone past the QUOTAOFF record, but | |
340 | * before the last dquot modification, those dquots __will__ | |
341 | * recover, and that's not good. | |
342 | * | |
343 | * So, we have QUOTAOFF start and end logitems; the start | |
344 | * logitem won't get overwritten until the end logitem appears... | |
345 | */ | |
346 | xfs_qm_log_quotaoff_end(mp, qoffstart, flags); | |
347 | ||
348 | /* | |
349 | * If quotas is completely disabled, close shop. | |
350 | */ | |
c8ad20ff NS |
351 | if (((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_SET1) || |
352 | ((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_SET2)) { | |
1da177e4 LT |
353 | mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); |
354 | xfs_qm_destroy_quotainfo(mp); | |
355 | return (0); | |
356 | } | |
357 | ||
358 | /* | |
359 | * Release our quotainode references, and vn_purge them, | |
360 | * if we don't need them anymore. | |
361 | */ | |
362 | if ((dqtype & XFS_QMOPT_UQUOTA) && XFS_QI_UQIP(mp)) { | |
363 | XFS_PURGE_INODE(XFS_QI_UQIP(mp)); | |
364 | XFS_QI_UQIP(mp) = NULL; | |
365 | } | |
c8ad20ff | 366 | if ((dqtype & (XFS_QMOPT_GQUOTA|XFS_QMOPT_PQUOTA)) && XFS_QI_GQIP(mp)) { |
1da177e4 LT |
367 | XFS_PURGE_INODE(XFS_QI_GQIP(mp)); |
368 | XFS_QI_GQIP(mp) = NULL; | |
369 | } | |
370 | mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); | |
371 | ||
372 | return (error); | |
373 | } | |
374 | ||
375 | STATIC int | |
376 | xfs_qm_scall_trunc_qfiles( | |
377 | xfs_mount_t *mp, | |
378 | uint flags) | |
379 | { | |
380 | int error; | |
381 | xfs_inode_t *qip; | |
382 | ||
383 | if (!capable(CAP_SYS_ADMIN)) | |
384 | return XFS_ERROR(EPERM); | |
385 | error = 0; | |
386 | if (!XFS_SB_VERSION_HASQUOTA(&mp->m_sb) || flags == 0) { | |
387 | qdprintk("qtrunc flags=%x m_qflags=%x\n", flags, mp->m_qflags); | |
388 | return XFS_ERROR(EINVAL); | |
389 | } | |
390 | ||
391 | if ((flags & XFS_DQ_USER) && mp->m_sb.sb_uquotino != NULLFSINO) { | |
392 | error = xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, 0, 0, &qip, 0); | |
393 | if (! error) { | |
394 | (void) xfs_truncate_file(mp, qip); | |
395 | VN_RELE(XFS_ITOV(qip)); | |
396 | } | |
397 | } | |
398 | ||
c8ad20ff NS |
399 | if ((flags & (XFS_DQ_GROUP|XFS_DQ_PROJ)) && |
400 | mp->m_sb.sb_gquotino != NULLFSINO) { | |
1da177e4 LT |
401 | error = xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, 0, 0, &qip, 0); |
402 | if (! error) { | |
403 | (void) xfs_truncate_file(mp, qip); | |
404 | VN_RELE(XFS_ITOV(qip)); | |
405 | } | |
406 | } | |
407 | ||
408 | return (error); | |
409 | } | |
410 | ||
411 | ||
412 | /* | |
413 | * Switch on (a given) quota enforcement for a filesystem. This takes | |
414 | * effect immediately. | |
415 | * (Switching on quota accounting must be done at mount time.) | |
416 | */ | |
417 | STATIC int | |
418 | xfs_qm_scall_quotaon( | |
419 | xfs_mount_t *mp, | |
420 | uint flags) | |
421 | { | |
422 | int error; | |
c8ad20ff | 423 | unsigned long s; |
1da177e4 LT |
424 | uint qf; |
425 | uint accflags; | |
426 | __int64_t sbflags; | |
427 | ||
428 | if (!capable(CAP_SYS_ADMIN)) | |
429 | return XFS_ERROR(EPERM); | |
430 | ||
431 | flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD); | |
432 | /* | |
433 | * Switching on quota accounting must be done at mount time. | |
434 | */ | |
435 | accflags = flags & XFS_ALL_QUOTA_ACCT; | |
436 | flags &= ~(XFS_ALL_QUOTA_ACCT); | |
437 | ||
438 | sbflags = 0; | |
439 | ||
440 | if (flags == 0) { | |
441 | qdprintk("quotaon: zero flags, m_qflags=%x\n", mp->m_qflags); | |
442 | return XFS_ERROR(EINVAL); | |
443 | } | |
444 | ||
445 | /* No fs can turn on quotas with a delayed effect */ | |
446 | ASSERT((flags & XFS_ALL_QUOTA_ACCT) == 0); | |
447 | ||
448 | /* | |
449 | * Can't enforce without accounting. We check the superblock | |
450 | * qflags here instead of m_qflags because rootfs can have | |
451 | * quota acct on ondisk without m_qflags' knowing. | |
452 | */ | |
453 | if (((flags & XFS_UQUOTA_ACCT) == 0 && | |
454 | (mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) == 0 && | |
455 | (flags & XFS_UQUOTA_ENFD)) | |
456 | || | |
c8ad20ff NS |
457 | ((flags & XFS_PQUOTA_ACCT) == 0 && |
458 | (mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) == 0 && | |
424ea91b | 459 | (flags & XFS_GQUOTA_ACCT) == 0 && |
1da177e4 | 460 | (mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) == 0 && |
c8ad20ff | 461 | (flags & XFS_OQUOTA_ENFD))) { |
1da177e4 LT |
462 | qdprintk("Can't enforce without acct, flags=%x sbflags=%x\n", |
463 | flags, mp->m_sb.sb_qflags); | |
464 | return XFS_ERROR(EINVAL); | |
465 | } | |
466 | /* | |
467 | * If everything's upto-date incore, then don't waste time. | |
468 | */ | |
469 | if ((mp->m_qflags & flags) == flags) | |
470 | return XFS_ERROR(EEXIST); | |
471 | ||
472 | /* | |
473 | * Change sb_qflags on disk but not incore mp->qflags | |
474 | * if this is the root filesystem. | |
475 | */ | |
476 | s = XFS_SB_LOCK(mp); | |
477 | qf = mp->m_sb.sb_qflags; | |
478 | mp->m_sb.sb_qflags = qf | flags; | |
479 | XFS_SB_UNLOCK(mp, s); | |
480 | ||
481 | /* | |
482 | * There's nothing to change if it's the same. | |
483 | */ | |
484 | if ((qf & flags) == flags && sbflags == 0) | |
485 | return XFS_ERROR(EEXIST); | |
486 | sbflags |= XFS_SB_QFLAGS; | |
487 | ||
488 | if ((error = xfs_qm_write_sb_changes(mp, sbflags))) | |
489 | return (error); | |
490 | /* | |
491 | * If we aren't trying to switch on quota enforcement, we are done. | |
492 | */ | |
493 | if (((mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) != | |
494 | (mp->m_qflags & XFS_UQUOTA_ACCT)) || | |
c8ad20ff NS |
495 | ((mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) != |
496 | (mp->m_qflags & XFS_PQUOTA_ACCT)) || | |
497 | ((mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) != | |
498 | (mp->m_qflags & XFS_GQUOTA_ACCT)) || | |
1da177e4 LT |
499 | (flags & XFS_ALL_QUOTA_ENFD) == 0) |
500 | return (0); | |
501 | ||
502 | if (! XFS_IS_QUOTA_RUNNING(mp)) | |
503 | return XFS_ERROR(ESRCH); | |
504 | ||
505 | /* | |
506 | * Switch on quota enforcement in core. | |
507 | */ | |
794ee1ba | 508 | mutex_lock(&(XFS_QI_QOFFLOCK(mp))); |
1da177e4 LT |
509 | mp->m_qflags |= (flags & XFS_ALL_QUOTA_ENFD); |
510 | mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); | |
511 | ||
512 | return (0); | |
513 | } | |
514 | ||
515 | ||
1da177e4 LT |
516 | /* |
517 | * Return quota status information, such as uquota-off, enforcements, etc. | |
518 | */ | |
519 | STATIC int | |
520 | xfs_qm_scall_getqstat( | |
521 | xfs_mount_t *mp, | |
522 | fs_quota_stat_t *out) | |
523 | { | |
524 | xfs_inode_t *uip, *gip; | |
525 | boolean_t tempuqip, tempgqip; | |
526 | ||
527 | uip = gip = NULL; | |
528 | tempuqip = tempgqip = B_FALSE; | |
529 | memset(out, 0, sizeof(fs_quota_stat_t)); | |
530 | ||
531 | out->qs_version = FS_QSTAT_VERSION; | |
532 | if (! XFS_SB_VERSION_HASQUOTA(&mp->m_sb)) { | |
533 | out->qs_uquota.qfs_ino = NULLFSINO; | |
534 | out->qs_gquota.qfs_ino = NULLFSINO; | |
535 | return (0); | |
536 | } | |
537 | out->qs_flags = (__uint16_t) xfs_qm_export_flags(mp->m_qflags & | |
538 | (XFS_ALL_QUOTA_ACCT| | |
539 | XFS_ALL_QUOTA_ENFD)); | |
540 | out->qs_pad = 0; | |
541 | out->qs_uquota.qfs_ino = mp->m_sb.sb_uquotino; | |
542 | out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino; | |
543 | ||
544 | if (mp->m_quotainfo) { | |
545 | uip = mp->m_quotainfo->qi_uquotaip; | |
546 | gip = mp->m_quotainfo->qi_gquotaip; | |
547 | } | |
548 | if (!uip && mp->m_sb.sb_uquotino != NULLFSINO) { | |
549 | if (xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, | |
550 | 0, 0, &uip, 0) == 0) | |
551 | tempuqip = B_TRUE; | |
552 | } | |
553 | if (!gip && mp->m_sb.sb_gquotino != NULLFSINO) { | |
554 | if (xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, | |
555 | 0, 0, &gip, 0) == 0) | |
556 | tempgqip = B_TRUE; | |
557 | } | |
558 | if (uip) { | |
559 | out->qs_uquota.qfs_nblks = uip->i_d.di_nblocks; | |
560 | out->qs_uquota.qfs_nextents = uip->i_d.di_nextents; | |
561 | if (tempuqip) | |
562 | VN_RELE(XFS_ITOV(uip)); | |
563 | } | |
564 | if (gip) { | |
565 | out->qs_gquota.qfs_nblks = gip->i_d.di_nblocks; | |
566 | out->qs_gquota.qfs_nextents = gip->i_d.di_nextents; | |
567 | if (tempgqip) | |
568 | VN_RELE(XFS_ITOV(gip)); | |
569 | } | |
570 | if (mp->m_quotainfo) { | |
571 | out->qs_incoredqs = XFS_QI_MPLNDQUOTS(mp); | |
572 | out->qs_btimelimit = XFS_QI_BTIMELIMIT(mp); | |
573 | out->qs_itimelimit = XFS_QI_ITIMELIMIT(mp); | |
574 | out->qs_rtbtimelimit = XFS_QI_RTBTIMELIMIT(mp); | |
575 | out->qs_bwarnlimit = XFS_QI_BWARNLIMIT(mp); | |
576 | out->qs_iwarnlimit = XFS_QI_IWARNLIMIT(mp); | |
577 | } | |
578 | return (0); | |
579 | } | |
580 | ||
581 | /* | |
582 | * Adjust quota limits, and start/stop timers accordingly. | |
583 | */ | |
584 | STATIC int | |
585 | xfs_qm_scall_setqlim( | |
586 | xfs_mount_t *mp, | |
587 | xfs_dqid_t id, | |
588 | uint type, | |
589 | fs_disk_quota_t *newlim) | |
590 | { | |
591 | xfs_disk_dquot_t *ddq; | |
592 | xfs_dquot_t *dqp; | |
593 | xfs_trans_t *tp; | |
594 | int error; | |
595 | xfs_qcnt_t hard, soft; | |
596 | ||
597 | if (!capable(CAP_SYS_ADMIN)) | |
598 | return XFS_ERROR(EPERM); | |
599 | ||
754002b4 NS |
600 | if ((newlim->d_fieldmask & |
601 | (FS_DQ_LIMIT_MASK|FS_DQ_TIMER_MASK|FS_DQ_WARNS_MASK)) == 0) | |
1da177e4 LT |
602 | return (0); |
603 | ||
604 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SETQLIM); | |
605 | if ((error = xfs_trans_reserve(tp, 0, sizeof(xfs_disk_dquot_t) + 128, | |
606 | 0, 0, XFS_DEFAULT_LOG_COUNT))) { | |
607 | xfs_trans_cancel(tp, 0); | |
608 | return (error); | |
609 | } | |
610 | ||
611 | /* | |
612 | * We don't want to race with a quotaoff so take the quotaoff lock. | |
613 | * (We don't hold an inode lock, so there's nothing else to stop | |
614 | * a quotaoff from happening). (XXXThis doesn't currently happen | |
615 | * because we take the vfslock before calling xfs_qm_sysent). | |
616 | */ | |
794ee1ba | 617 | mutex_lock(&(XFS_QI_QOFFLOCK(mp))); |
1da177e4 LT |
618 | |
619 | /* | |
620 | * Get the dquot (locked), and join it to the transaction. | |
621 | * Allocate the dquot if this doesn't exist. | |
622 | */ | |
623 | if ((error = xfs_qm_dqget(mp, NULL, id, type, XFS_QMOPT_DQALLOC, &dqp))) { | |
624 | xfs_trans_cancel(tp, XFS_TRANS_ABORT); | |
625 | mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); | |
626 | ASSERT(error != ENOENT); | |
627 | return (error); | |
628 | } | |
629 | xfs_dqtrace_entry(dqp, "Q_SETQLIM: AFT DQGET"); | |
630 | xfs_trans_dqjoin(tp, dqp); | |
631 | ddq = &dqp->q_core; | |
632 | ||
633 | /* | |
634 | * Make sure that hardlimits are >= soft limits before changing. | |
635 | */ | |
636 | hard = (newlim->d_fieldmask & FS_DQ_BHARD) ? | |
637 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_hardlimit) : | |
1149d96a | 638 | be64_to_cpu(ddq->d_blk_hardlimit); |
1da177e4 LT |
639 | soft = (newlim->d_fieldmask & FS_DQ_BSOFT) ? |
640 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_softlimit) : | |
1149d96a | 641 | be64_to_cpu(ddq->d_blk_softlimit); |
1da177e4 | 642 | if (hard == 0 || hard >= soft) { |
1149d96a CH |
643 | ddq->d_blk_hardlimit = cpu_to_be64(hard); |
644 | ddq->d_blk_softlimit = cpu_to_be64(soft); | |
1da177e4 LT |
645 | if (id == 0) { |
646 | mp->m_quotainfo->qi_bhardlimit = hard; | |
647 | mp->m_quotainfo->qi_bsoftlimit = soft; | |
648 | } | |
649 | } else { | |
650 | qdprintk("blkhard %Ld < blksoft %Ld\n", hard, soft); | |
651 | } | |
652 | hard = (newlim->d_fieldmask & FS_DQ_RTBHARD) ? | |
653 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_rtb_hardlimit) : | |
1149d96a | 654 | be64_to_cpu(ddq->d_rtb_hardlimit); |
1da177e4 LT |
655 | soft = (newlim->d_fieldmask & FS_DQ_RTBSOFT) ? |
656 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_rtb_softlimit) : | |
1149d96a | 657 | be64_to_cpu(ddq->d_rtb_softlimit); |
1da177e4 | 658 | if (hard == 0 || hard >= soft) { |
1149d96a CH |
659 | ddq->d_rtb_hardlimit = cpu_to_be64(hard); |
660 | ddq->d_rtb_softlimit = cpu_to_be64(soft); | |
1da177e4 LT |
661 | if (id == 0) { |
662 | mp->m_quotainfo->qi_rtbhardlimit = hard; | |
663 | mp->m_quotainfo->qi_rtbsoftlimit = soft; | |
664 | } | |
665 | } else { | |
666 | qdprintk("rtbhard %Ld < rtbsoft %Ld\n", hard, soft); | |
667 | } | |
668 | ||
669 | hard = (newlim->d_fieldmask & FS_DQ_IHARD) ? | |
670 | (xfs_qcnt_t) newlim->d_ino_hardlimit : | |
1149d96a | 671 | be64_to_cpu(ddq->d_ino_hardlimit); |
1da177e4 LT |
672 | soft = (newlim->d_fieldmask & FS_DQ_ISOFT) ? |
673 | (xfs_qcnt_t) newlim->d_ino_softlimit : | |
1149d96a | 674 | be64_to_cpu(ddq->d_ino_softlimit); |
1da177e4 | 675 | if (hard == 0 || hard >= soft) { |
1149d96a CH |
676 | ddq->d_ino_hardlimit = cpu_to_be64(hard); |
677 | ddq->d_ino_softlimit = cpu_to_be64(soft); | |
1da177e4 LT |
678 | if (id == 0) { |
679 | mp->m_quotainfo->qi_ihardlimit = hard; | |
680 | mp->m_quotainfo->qi_isoftlimit = soft; | |
681 | } | |
682 | } else { | |
683 | qdprintk("ihard %Ld < isoft %Ld\n", hard, soft); | |
684 | } | |
685 | ||
754002b4 NS |
686 | /* |
687 | * Update warnings counter(s) if requested | |
688 | */ | |
689 | if (newlim->d_fieldmask & FS_DQ_BWARNS) | |
1149d96a | 690 | ddq->d_bwarns = cpu_to_be16(newlim->d_bwarns); |
754002b4 | 691 | if (newlim->d_fieldmask & FS_DQ_IWARNS) |
1149d96a | 692 | ddq->d_iwarns = cpu_to_be16(newlim->d_iwarns); |
754002b4 | 693 | if (newlim->d_fieldmask & FS_DQ_RTBWARNS) |
1149d96a | 694 | ddq->d_rtbwarns = cpu_to_be16(newlim->d_rtbwarns); |
754002b4 | 695 | |
1da177e4 LT |
696 | if (id == 0) { |
697 | /* | |
698 | * Timelimits for the super user set the relative time | |
699 | * the other users can be over quota for this file system. | |
700 | * If it is zero a default is used. Ditto for the default | |
754002b4 NS |
701 | * soft and hard limit values (already done, above), and |
702 | * for warnings. | |
1da177e4 LT |
703 | */ |
704 | if (newlim->d_fieldmask & FS_DQ_BTIMER) { | |
705 | mp->m_quotainfo->qi_btimelimit = newlim->d_btimer; | |
1149d96a | 706 | ddq->d_btimer = cpu_to_be32(newlim->d_btimer); |
1da177e4 LT |
707 | } |
708 | if (newlim->d_fieldmask & FS_DQ_ITIMER) { | |
709 | mp->m_quotainfo->qi_itimelimit = newlim->d_itimer; | |
1149d96a | 710 | ddq->d_itimer = cpu_to_be32(newlim->d_itimer); |
1da177e4 LT |
711 | } |
712 | if (newlim->d_fieldmask & FS_DQ_RTBTIMER) { | |
713 | mp->m_quotainfo->qi_rtbtimelimit = newlim->d_rtbtimer; | |
1149d96a | 714 | ddq->d_rtbtimer = cpu_to_be32(newlim->d_rtbtimer); |
1da177e4 | 715 | } |
754002b4 NS |
716 | if (newlim->d_fieldmask & FS_DQ_BWARNS) |
717 | mp->m_quotainfo->qi_bwarnlimit = newlim->d_bwarns; | |
718 | if (newlim->d_fieldmask & FS_DQ_IWARNS) | |
719 | mp->m_quotainfo->qi_iwarnlimit = newlim->d_iwarns; | |
720 | if (newlim->d_fieldmask & FS_DQ_RTBWARNS) | |
721 | mp->m_quotainfo->qi_rtbwarnlimit = newlim->d_rtbwarns; | |
722 | } else { | |
1da177e4 LT |
723 | /* |
724 | * If the user is now over quota, start the timelimit. | |
725 | * The user will not be 'warned'. | |
726 | * Note that we keep the timers ticking, whether enforcement | |
727 | * is on or off. We don't really want to bother with iterating | |
728 | * over all ondisk dquots and turning the timers on/off. | |
729 | */ | |
730 | xfs_qm_adjust_dqtimers(mp, ddq); | |
731 | } | |
732 | dqp->dq_flags |= XFS_DQ_DIRTY; | |
733 | xfs_trans_log_dquot(tp, dqp); | |
734 | ||
735 | xfs_dqtrace_entry(dqp, "Q_SETQLIM: COMMIT"); | |
1c72bf90 | 736 | xfs_trans_commit(tp, 0); |
1da177e4 LT |
737 | xfs_qm_dqprint(dqp); |
738 | xfs_qm_dqrele(dqp); | |
739 | mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); | |
740 | ||
741 | return (0); | |
742 | } | |
743 | ||
744 | STATIC int | |
745 | xfs_qm_scall_getquota( | |
746 | xfs_mount_t *mp, | |
747 | xfs_dqid_t id, | |
748 | uint type, | |
749 | fs_disk_quota_t *out) | |
750 | { | |
751 | xfs_dquot_t *dqp; | |
752 | int error; | |
753 | ||
754 | /* | |
755 | * Try to get the dquot. We don't want it allocated on disk, so | |
756 | * we aren't passing the XFS_QMOPT_DOALLOC flag. If it doesn't | |
757 | * exist, we'll get ENOENT back. | |
758 | */ | |
759 | if ((error = xfs_qm_dqget(mp, NULL, id, type, 0, &dqp))) { | |
760 | return (error); | |
761 | } | |
762 | ||
763 | xfs_dqtrace_entry(dqp, "Q_GETQUOTA SUCCESS"); | |
764 | /* | |
765 | * If everything's NULL, this dquot doesn't quite exist as far as | |
766 | * our utility programs are concerned. | |
767 | */ | |
768 | if (XFS_IS_DQUOT_UNINITIALIZED(dqp)) { | |
769 | xfs_qm_dqput(dqp); | |
770 | return XFS_ERROR(ENOENT); | |
771 | } | |
772 | /* xfs_qm_dqprint(dqp); */ | |
773 | /* | |
774 | * Convert the disk dquot to the exportable format | |
775 | */ | |
776 | xfs_qm_export_dquot(mp, &dqp->q_core, out); | |
777 | xfs_qm_dqput(dqp); | |
778 | return (error ? XFS_ERROR(EFAULT) : 0); | |
779 | } | |
780 | ||
781 | ||
782 | STATIC int | |
783 | xfs_qm_log_quotaoff_end( | |
784 | xfs_mount_t *mp, | |
785 | xfs_qoff_logitem_t *startqoff, | |
786 | uint flags) | |
787 | { | |
c8ad20ff | 788 | xfs_trans_t *tp; |
1da177e4 | 789 | int error; |
c8ad20ff | 790 | xfs_qoff_logitem_t *qoffi; |
1da177e4 LT |
791 | |
792 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF_END); | |
793 | ||
794 | if ((error = xfs_trans_reserve(tp, 0, sizeof(xfs_qoff_logitem_t) * 2, | |
795 | 0, 0, XFS_DEFAULT_LOG_COUNT))) { | |
796 | xfs_trans_cancel(tp, 0); | |
797 | return (error); | |
798 | } | |
799 | ||
800 | qoffi = xfs_trans_get_qoff_item(tp, startqoff, | |
801 | flags & XFS_ALL_QUOTA_ACCT); | |
802 | xfs_trans_log_quotaoff_item(tp, qoffi); | |
803 | ||
804 | /* | |
805 | * We have to make sure that the transaction is secure on disk before we | |
806 | * return and actually stop quota accounting. So, make it synchronous. | |
807 | * We don't care about quotoff's performance. | |
808 | */ | |
809 | xfs_trans_set_sync(tp); | |
1c72bf90 | 810 | error = xfs_trans_commit(tp, 0); |
1da177e4 LT |
811 | return (error); |
812 | } | |
813 | ||
814 | ||
815 | STATIC int | |
816 | xfs_qm_log_quotaoff( | |
817 | xfs_mount_t *mp, | |
818 | xfs_qoff_logitem_t **qoffstartp, | |
819 | uint flags) | |
820 | { | |
821 | xfs_trans_t *tp; | |
822 | int error; | |
823 | unsigned long s; | |
824 | xfs_qoff_logitem_t *qoffi=NULL; | |
825 | uint oldsbqflag=0; | |
826 | ||
827 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF); | |
828 | if ((error = xfs_trans_reserve(tp, 0, | |
829 | sizeof(xfs_qoff_logitem_t) * 2 + | |
830 | mp->m_sb.sb_sectsize + 128, | |
831 | 0, | |
832 | 0, | |
833 | XFS_DEFAULT_LOG_COUNT))) { | |
834 | goto error0; | |
835 | } | |
836 | ||
837 | qoffi = xfs_trans_get_qoff_item(tp, NULL, flags & XFS_ALL_QUOTA_ACCT); | |
838 | xfs_trans_log_quotaoff_item(tp, qoffi); | |
839 | ||
840 | s = XFS_SB_LOCK(mp); | |
841 | oldsbqflag = mp->m_sb.sb_qflags; | |
842 | mp->m_sb.sb_qflags = (mp->m_qflags & ~(flags)) & XFS_MOUNT_QUOTA_ALL; | |
843 | XFS_SB_UNLOCK(mp, s); | |
844 | ||
845 | xfs_mod_sb(tp, XFS_SB_QFLAGS); | |
846 | ||
847 | /* | |
848 | * We have to make sure that the transaction is secure on disk before we | |
849 | * return and actually stop quota accounting. So, make it synchronous. | |
850 | * We don't care about quotoff's performance. | |
851 | */ | |
852 | xfs_trans_set_sync(tp); | |
1c72bf90 | 853 | error = xfs_trans_commit(tp, 0); |
1da177e4 LT |
854 | |
855 | error0: | |
856 | if (error) { | |
857 | xfs_trans_cancel(tp, 0); | |
858 | /* | |
859 | * No one else is modifying sb_qflags, so this is OK. | |
860 | * We still hold the quotaofflock. | |
861 | */ | |
862 | s = XFS_SB_LOCK(mp); | |
863 | mp->m_sb.sb_qflags = oldsbqflag; | |
864 | XFS_SB_UNLOCK(mp, s); | |
865 | } | |
866 | *qoffstartp = qoffi; | |
867 | return (error); | |
868 | } | |
869 | ||
870 | ||
871 | /* | |
872 | * Translate an internal style on-disk-dquot to the exportable format. | |
873 | * The main differences are that the counters/limits are all in Basic | |
874 | * Blocks (BBs) instead of the internal FSBs, and all on-disk data has | |
875 | * to be converted to the native endianness. | |
876 | */ | |
877 | STATIC void | |
878 | xfs_qm_export_dquot( | |
879 | xfs_mount_t *mp, | |
880 | xfs_disk_dquot_t *src, | |
881 | struct fs_disk_quota *dst) | |
882 | { | |
883 | memset(dst, 0, sizeof(*dst)); | |
884 | dst->d_version = FS_DQUOT_VERSION; /* different from src->d_version */ | |
1149d96a CH |
885 | dst->d_flags = xfs_qm_export_qtype_flags(src->d_flags); |
886 | dst->d_id = be32_to_cpu(src->d_id); | |
887 | dst->d_blk_hardlimit = | |
888 | XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_blk_hardlimit)); | |
889 | dst->d_blk_softlimit = | |
890 | XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_blk_softlimit)); | |
891 | dst->d_ino_hardlimit = be64_to_cpu(src->d_ino_hardlimit); | |
892 | dst->d_ino_softlimit = be64_to_cpu(src->d_ino_softlimit); | |
893 | dst->d_bcount = XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_bcount)); | |
894 | dst->d_icount = be64_to_cpu(src->d_icount); | |
895 | dst->d_btimer = be32_to_cpu(src->d_btimer); | |
896 | dst->d_itimer = be32_to_cpu(src->d_itimer); | |
897 | dst->d_iwarns = be16_to_cpu(src->d_iwarns); | |
898 | dst->d_bwarns = be16_to_cpu(src->d_bwarns); | |
899 | dst->d_rtb_hardlimit = | |
900 | XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_rtb_hardlimit)); | |
901 | dst->d_rtb_softlimit = | |
902 | XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_rtb_softlimit)); | |
903 | dst->d_rtbcount = XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_rtbcount)); | |
904 | dst->d_rtbtimer = be32_to_cpu(src->d_rtbtimer); | |
905 | dst->d_rtbwarns = be16_to_cpu(src->d_rtbwarns); | |
1da177e4 LT |
906 | |
907 | /* | |
908 | * Internally, we don't reset all the timers when quota enforcement | |
c41564b5 | 909 | * gets turned off. No need to confuse the user level code, |
1da177e4 LT |
910 | * so return zeroes in that case. |
911 | */ | |
e6d29426 KO |
912 | if ((!XFS_IS_UQUOTA_ENFORCED(mp) && src->d_flags == XFS_DQ_USER) || |
913 | (!XFS_IS_OQUOTA_ENFORCED(mp) && | |
914 | (src->d_flags & (XFS_DQ_PROJ | XFS_DQ_GROUP)))) { | |
1da177e4 LT |
915 | dst->d_btimer = 0; |
916 | dst->d_itimer = 0; | |
917 | dst->d_rtbtimer = 0; | |
918 | } | |
919 | ||
920 | #ifdef DEBUG | |
e6d29426 KO |
921 | if (((XFS_IS_UQUOTA_ENFORCED(mp) && dst->d_flags == XFS_USER_QUOTA) || |
922 | (XFS_IS_OQUOTA_ENFORCED(mp) && | |
923 | (dst->d_flags & (XFS_PROJ_QUOTA | XFS_GROUP_QUOTA)))) && | |
924 | dst->d_id != 0) { | |
1da177e4 LT |
925 | if (((int) dst->d_bcount >= (int) dst->d_blk_softlimit) && |
926 | (dst->d_blk_softlimit > 0)) { | |
927 | ASSERT(dst->d_btimer != 0); | |
928 | } | |
929 | if (((int) dst->d_icount >= (int) dst->d_ino_softlimit) && | |
930 | (dst->d_ino_softlimit > 0)) { | |
931 | ASSERT(dst->d_itimer != 0); | |
932 | } | |
933 | } | |
934 | #endif | |
935 | } | |
936 | ||
937 | STATIC uint | |
938 | xfs_qm_import_qtype_flags( | |
c8ad20ff | 939 | uint uflags) |
1da177e4 | 940 | { |
c8ad20ff NS |
941 | uint oflags = 0; |
942 | ||
1da177e4 | 943 | /* |
c8ad20ff | 944 | * Can't be more than one, or none. |
1da177e4 LT |
945 | */ |
946 | if (((uflags & (XFS_GROUP_QUOTA | XFS_USER_QUOTA)) == | |
c8ad20ff NS |
947 | (XFS_GROUP_QUOTA | XFS_USER_QUOTA)) || |
948 | ((uflags & (XFS_GROUP_QUOTA | XFS_PROJ_QUOTA)) == | |
949 | (XFS_GROUP_QUOTA | XFS_PROJ_QUOTA)) || | |
950 | ((uflags & (XFS_USER_QUOTA | XFS_PROJ_QUOTA)) == | |
951 | (XFS_USER_QUOTA | XFS_PROJ_QUOTA)) || | |
952 | ((uflags & (XFS_GROUP_QUOTA|XFS_USER_QUOTA|XFS_PROJ_QUOTA)) == 0)) | |
1da177e4 LT |
953 | return (0); |
954 | ||
c8ad20ff NS |
955 | oflags |= (uflags & XFS_USER_QUOTA) ? XFS_DQ_USER : 0; |
956 | oflags |= (uflags & XFS_PROJ_QUOTA) ? XFS_DQ_PROJ : 0; | |
957 | oflags |= (uflags & XFS_GROUP_QUOTA) ? XFS_DQ_GROUP: 0; | |
958 | return oflags; | |
1da177e4 LT |
959 | } |
960 | ||
961 | STATIC uint | |
962 | xfs_qm_export_qtype_flags( | |
963 | uint flags) | |
964 | { | |
965 | /* | |
c8ad20ff | 966 | * Can't be more than one, or none. |
1da177e4 | 967 | */ |
c8ad20ff NS |
968 | ASSERT((flags & (XFS_PROJ_QUOTA | XFS_USER_QUOTA)) != |
969 | (XFS_PROJ_QUOTA | XFS_USER_QUOTA)); | |
970 | ASSERT((flags & (XFS_PROJ_QUOTA | XFS_GROUP_QUOTA)) != | |
971 | (XFS_PROJ_QUOTA | XFS_GROUP_QUOTA)); | |
972 | ASSERT((flags & (XFS_USER_QUOTA | XFS_GROUP_QUOTA)) != | |
973 | (XFS_USER_QUOTA | XFS_GROUP_QUOTA)); | |
974 | ASSERT((flags & (XFS_PROJ_QUOTA|XFS_USER_QUOTA|XFS_GROUP_QUOTA)) != 0); | |
1da177e4 LT |
975 | |
976 | return (flags & XFS_DQ_USER) ? | |
c8ad20ff NS |
977 | XFS_USER_QUOTA : (flags & XFS_DQ_PROJ) ? |
978 | XFS_PROJ_QUOTA : XFS_GROUP_QUOTA; | |
1da177e4 LT |
979 | } |
980 | ||
981 | STATIC uint | |
982 | xfs_qm_import_flags( | |
983 | uint uflags) | |
984 | { | |
985 | uint flags = 0; | |
986 | ||
987 | if (uflags & XFS_QUOTA_UDQ_ACCT) | |
988 | flags |= XFS_UQUOTA_ACCT; | |
c8ad20ff NS |
989 | if (uflags & XFS_QUOTA_PDQ_ACCT) |
990 | flags |= XFS_PQUOTA_ACCT; | |
1da177e4 LT |
991 | if (uflags & XFS_QUOTA_GDQ_ACCT) |
992 | flags |= XFS_GQUOTA_ACCT; | |
993 | if (uflags & XFS_QUOTA_UDQ_ENFD) | |
994 | flags |= XFS_UQUOTA_ENFD; | |
c8ad20ff NS |
995 | if (uflags & (XFS_QUOTA_PDQ_ENFD|XFS_QUOTA_GDQ_ENFD)) |
996 | flags |= XFS_OQUOTA_ENFD; | |
1da177e4 LT |
997 | return (flags); |
998 | } | |
999 | ||
1000 | ||
1001 | STATIC uint | |
1002 | xfs_qm_export_flags( | |
1003 | uint flags) | |
1004 | { | |
1005 | uint uflags; | |
1006 | ||
1007 | uflags = 0; | |
1008 | if (flags & XFS_UQUOTA_ACCT) | |
1009 | uflags |= XFS_QUOTA_UDQ_ACCT; | |
c8ad20ff NS |
1010 | if (flags & XFS_PQUOTA_ACCT) |
1011 | uflags |= XFS_QUOTA_PDQ_ACCT; | |
1da177e4 LT |
1012 | if (flags & XFS_GQUOTA_ACCT) |
1013 | uflags |= XFS_QUOTA_GDQ_ACCT; | |
1014 | if (flags & XFS_UQUOTA_ENFD) | |
1015 | uflags |= XFS_QUOTA_UDQ_ENFD; | |
c8ad20ff NS |
1016 | if (flags & (XFS_OQUOTA_ENFD)) { |
1017 | uflags |= (flags & XFS_GQUOTA_ACCT) ? | |
1018 | XFS_QUOTA_GDQ_ENFD : XFS_QUOTA_PDQ_ENFD; | |
1019 | } | |
1da177e4 LT |
1020 | return (uflags); |
1021 | } | |
1022 | ||
1023 | ||
1024 | /* | |
1025 | * Go thru all the inodes in the file system, releasing their dquots. | |
1026 | * Note that the mount structure gets modified to indicate that quotas are off | |
1027 | * AFTER this, in the case of quotaoff. This also gets called from | |
1028 | * xfs_rootumount. | |
1029 | */ | |
1030 | void | |
1031 | xfs_qm_dqrele_all_inodes( | |
1032 | struct xfs_mount *mp, | |
1033 | uint flags) | |
1034 | { | |
1da177e4 LT |
1035 | xfs_inode_t *ip, *topino; |
1036 | uint ireclaims; | |
67fcaa73 | 1037 | bhv_vnode_t *vp; |
1da177e4 LT |
1038 | boolean_t vnode_refd; |
1039 | ||
1040 | ASSERT(mp->m_quotainfo); | |
1041 | ||
1da177e4 | 1042 | XFS_MOUNT_ILOCK(mp); |
cdb62687 | 1043 | again: |
1da177e4 LT |
1044 | ip = mp->m_inodes; |
1045 | if (ip == NULL) { | |
1046 | XFS_MOUNT_IUNLOCK(mp); | |
1047 | return; | |
1048 | } | |
1049 | do { | |
1050 | /* Skip markers inserted by xfs_sync */ | |
1051 | if (ip->i_mount == NULL) { | |
1052 | ip = ip->i_mnext; | |
1053 | continue; | |
1054 | } | |
1055 | /* Root inode, rbmip and rsumip have associated blocks */ | |
1056 | if (ip == XFS_QI_UQIP(mp) || ip == XFS_QI_GQIP(mp)) { | |
1057 | ASSERT(ip->i_udquot == NULL); | |
1058 | ASSERT(ip->i_gdquot == NULL); | |
1059 | ip = ip->i_mnext; | |
1060 | continue; | |
1061 | } | |
1062 | vp = XFS_ITOV_NULL(ip); | |
1063 | if (!vp) { | |
1064 | ASSERT(ip->i_udquot == NULL); | |
1065 | ASSERT(ip->i_gdquot == NULL); | |
1066 | ip = ip->i_mnext; | |
1067 | continue; | |
1068 | } | |
1069 | vnode_refd = B_FALSE; | |
1070 | if (xfs_ilock_nowait(ip, XFS_ILOCK_EXCL) == 0) { | |
1da177e4 LT |
1071 | ireclaims = mp->m_ireclaims; |
1072 | topino = mp->m_inodes; | |
cdb62687 CH |
1073 | vp = vn_grab(vp); |
1074 | if (!vp) | |
1075 | goto again; | |
1da177e4 | 1076 | |
cdb62687 | 1077 | XFS_MOUNT_IUNLOCK(mp); |
1da177e4 | 1078 | /* XXX restart limit ? */ |
1da177e4 LT |
1079 | xfs_ilock(ip, XFS_ILOCK_EXCL); |
1080 | vnode_refd = B_TRUE; | |
1081 | } else { | |
1082 | ireclaims = mp->m_ireclaims; | |
1083 | topino = mp->m_inodes; | |
1084 | XFS_MOUNT_IUNLOCK(mp); | |
1085 | } | |
1086 | ||
1087 | /* | |
1088 | * We don't keep the mountlock across the dqrele() call, | |
1089 | * since it can take a while.. | |
1090 | */ | |
1091 | if ((flags & XFS_UQUOTA_ACCT) && ip->i_udquot) { | |
1092 | xfs_qm_dqrele(ip->i_udquot); | |
1093 | ip->i_udquot = NULL; | |
1094 | } | |
c8ad20ff | 1095 | if (flags & (XFS_PQUOTA_ACCT|XFS_GQUOTA_ACCT) && ip->i_gdquot) { |
1da177e4 LT |
1096 | xfs_qm_dqrele(ip->i_gdquot); |
1097 | ip->i_gdquot = NULL; | |
1098 | } | |
1099 | xfs_iunlock(ip, XFS_ILOCK_EXCL); | |
1100 | /* | |
1101 | * Wait until we've dropped the ilock and mountlock to | |
1102 | * do the vn_rele. Or be condemned to an eternity in the | |
1103 | * inactive code in hell. | |
1104 | */ | |
1105 | if (vnode_refd) | |
1106 | VN_RELE(vp); | |
1107 | XFS_MOUNT_ILOCK(mp); | |
1108 | /* | |
1109 | * If an inode was inserted or removed, we gotta | |
1110 | * start over again. | |
1111 | */ | |
1112 | if (topino != mp->m_inodes || mp->m_ireclaims != ireclaims) { | |
1113 | /* XXX use a sentinel */ | |
1da177e4 LT |
1114 | goto again; |
1115 | } | |
1116 | ip = ip->i_mnext; | |
1117 | } while (ip != mp->m_inodes); | |
1118 | ||
1119 | XFS_MOUNT_IUNLOCK(mp); | |
1120 | } | |
1121 | ||
1122 | /*------------------------------------------------------------------------*/ | |
1123 | #ifdef DEBUG | |
1124 | /* | |
1125 | * This contains all the test functions for XFS disk quotas. | |
1126 | * Currently it does a quota accounting check. ie. it walks through | |
1127 | * all inodes in the file system, calculating the dquot accounting fields, | |
1128 | * and prints out any inconsistencies. | |
1129 | */ | |
1130 | xfs_dqhash_t *qmtest_udqtab; | |
1131 | xfs_dqhash_t *qmtest_gdqtab; | |
1132 | int qmtest_hashmask; | |
1133 | int qmtest_nfails; | |
1134 | mutex_t qcheck_lock; | |
1135 | ||
1136 | #define DQTEST_HASHVAL(mp, id) (((__psunsigned_t)(mp) + \ | |
1137 | (__psunsigned_t)(id)) & \ | |
1138 | (qmtest_hashmask - 1)) | |
1139 | ||
1140 | #define DQTEST_HASH(mp, id, type) ((type & XFS_DQ_USER) ? \ | |
1141 | (qmtest_udqtab + \ | |
1142 | DQTEST_HASHVAL(mp, id)) : \ | |
1143 | (qmtest_gdqtab + \ | |
1144 | DQTEST_HASHVAL(mp, id))) | |
1145 | ||
1146 | #define DQTEST_LIST_PRINT(l, NXT, title) \ | |
1147 | { \ | |
1148 | xfs_dqtest_t *dqp; int i = 0;\ | |
1149 | cmn_err(CE_DEBUG, "%s (#%d)", title, (int) (l)->qh_nelems); \ | |
1150 | for (dqp = (xfs_dqtest_t *)(l)->qh_next; dqp != NULL; \ | |
1151 | dqp = (xfs_dqtest_t *)dqp->NXT) { \ | |
1152 | cmn_err(CE_DEBUG, " %d. \"%d (%s)\" bcnt = %d, icnt = %d", \ | |
1153 | ++i, dqp->d_id, DQFLAGTO_TYPESTR(dqp), \ | |
1154 | dqp->d_bcount, dqp->d_icount); } \ | |
1155 | } | |
1156 | ||
1157 | typedef struct dqtest { | |
1158 | xfs_dqmarker_t q_lists; | |
1159 | xfs_dqhash_t *q_hash; /* the hashchain header */ | |
1160 | xfs_mount_t *q_mount; /* filesystem this relates to */ | |
1161 | xfs_dqid_t d_id; /* user id or group id */ | |
1162 | xfs_qcnt_t d_bcount; /* # disk blocks owned by the user */ | |
1163 | xfs_qcnt_t d_icount; /* # inodes owned by the user */ | |
1164 | } xfs_dqtest_t; | |
1165 | ||
1166 | STATIC void | |
1167 | xfs_qm_hashinsert(xfs_dqhash_t *h, xfs_dqtest_t *dqp) | |
1168 | { | |
1169 | xfs_dquot_t *d; | |
1170 | if (((d) = (h)->qh_next)) | |
1171 | (d)->HL_PREVP = &((dqp)->HL_NEXT); | |
1172 | (dqp)->HL_NEXT = d; | |
1173 | (dqp)->HL_PREVP = &((h)->qh_next); | |
1174 | (h)->qh_next = (xfs_dquot_t *)dqp; | |
1175 | (h)->qh_version++; | |
1176 | (h)->qh_nelems++; | |
1177 | } | |
1178 | STATIC void | |
1179 | xfs_qm_dqtest_print( | |
1180 | xfs_dqtest_t *d) | |
1181 | { | |
1182 | cmn_err(CE_DEBUG, "-----------DQTEST DQUOT----------------"); | |
1183 | cmn_err(CE_DEBUG, "---- dquot ID = %d", d->d_id); | |
1da177e4 LT |
1184 | cmn_err(CE_DEBUG, "---- fs = 0x%p", d->q_mount); |
1185 | cmn_err(CE_DEBUG, "---- bcount = %Lu (0x%x)", | |
1186 | d->d_bcount, (int)d->d_bcount); | |
1187 | cmn_err(CE_DEBUG, "---- icount = %Lu (0x%x)", | |
1188 | d->d_icount, (int)d->d_icount); | |
1189 | cmn_err(CE_DEBUG, "---------------------------"); | |
1190 | } | |
1191 | ||
1192 | STATIC void | |
1193 | xfs_qm_dqtest_failed( | |
1194 | xfs_dqtest_t *d, | |
1195 | xfs_dquot_t *dqp, | |
1196 | char *reason, | |
1197 | xfs_qcnt_t a, | |
1198 | xfs_qcnt_t b, | |
1199 | int error) | |
1200 | { | |
1201 | qmtest_nfails++; | |
1202 | if (error) | |
1203 | cmn_err(CE_DEBUG, "quotacheck failed id=%d, err=%d\nreason: %s", | |
1149d96a | 1204 | d->d_id, error, reason); |
1da177e4 LT |
1205 | else |
1206 | cmn_err(CE_DEBUG, "quotacheck failed id=%d (%s) [%d != %d]", | |
1149d96a | 1207 | d->d_id, reason, (int)a, (int)b); |
1da177e4 LT |
1208 | xfs_qm_dqtest_print(d); |
1209 | if (dqp) | |
1210 | xfs_qm_dqprint(dqp); | |
1211 | } | |
1212 | ||
1213 | STATIC int | |
1214 | xfs_dqtest_cmp2( | |
1215 | xfs_dqtest_t *d, | |
1216 | xfs_dquot_t *dqp) | |
1217 | { | |
1218 | int err = 0; | |
1149d96a | 1219 | if (be64_to_cpu(dqp->q_core.d_icount) != d->d_icount) { |
1da177e4 | 1220 | xfs_qm_dqtest_failed(d, dqp, "icount mismatch", |
1149d96a | 1221 | be64_to_cpu(dqp->q_core.d_icount), |
1da177e4 LT |
1222 | d->d_icount, 0); |
1223 | err++; | |
1224 | } | |
1149d96a | 1225 | if (be64_to_cpu(dqp->q_core.d_bcount) != d->d_bcount) { |
1da177e4 | 1226 | xfs_qm_dqtest_failed(d, dqp, "bcount mismatch", |
1149d96a | 1227 | be64_to_cpu(dqp->q_core.d_bcount), |
1da177e4 LT |
1228 | d->d_bcount, 0); |
1229 | err++; | |
1230 | } | |
1149d96a CH |
1231 | if (dqp->q_core.d_blk_softlimit && |
1232 | be64_to_cpu(dqp->q_core.d_bcount) >= | |
1233 | be64_to_cpu(dqp->q_core.d_blk_softlimit)) { | |
1da177e4 LT |
1234 | if (!dqp->q_core.d_btimer && dqp->q_core.d_id) { |
1235 | cmn_err(CE_DEBUG, | |
1236 | "%d [%s] [0x%p] BLK TIMER NOT STARTED", | |
1237 | d->d_id, DQFLAGTO_TYPESTR(d), d->q_mount); | |
1238 | err++; | |
1239 | } | |
1240 | } | |
1149d96a CH |
1241 | if (dqp->q_core.d_ino_softlimit && |
1242 | be64_to_cpu(dqp->q_core.d_icount) >= | |
1243 | be64_to_cpu(dqp->q_core.d_ino_softlimit)) { | |
1da177e4 LT |
1244 | if (!dqp->q_core.d_itimer && dqp->q_core.d_id) { |
1245 | cmn_err(CE_DEBUG, | |
1246 | "%d [%s] [0x%p] INO TIMER NOT STARTED", | |
1247 | d->d_id, DQFLAGTO_TYPESTR(d), d->q_mount); | |
1248 | err++; | |
1249 | } | |
1250 | } | |
1251 | #ifdef QUOTADEBUG | |
1252 | if (!err) { | |
1253 | cmn_err(CE_DEBUG, "%d [%s] [0x%p] qchecked", | |
c8ad20ff | 1254 | d->d_id, DQFLAGTO_TYPESTR(d), d->q_mount); |
1da177e4 LT |
1255 | } |
1256 | #endif | |
1257 | return (err); | |
1258 | } | |
1259 | ||
1260 | STATIC void | |
1261 | xfs_dqtest_cmp( | |
1262 | xfs_dqtest_t *d) | |
1263 | { | |
1264 | xfs_dquot_t *dqp; | |
1265 | int error; | |
1266 | ||
1267 | /* xfs_qm_dqtest_print(d); */ | |
1268 | if ((error = xfs_qm_dqget(d->q_mount, NULL, d->d_id, d->dq_flags, 0, | |
1269 | &dqp))) { | |
1270 | xfs_qm_dqtest_failed(d, NULL, "dqget failed", 0, 0, error); | |
1271 | return; | |
1272 | } | |
1273 | xfs_dqtest_cmp2(d, dqp); | |
1274 | xfs_qm_dqput(dqp); | |
1275 | } | |
1276 | ||
1277 | STATIC int | |
1278 | xfs_qm_internalqcheck_dqget( | |
1279 | xfs_mount_t *mp, | |
1280 | xfs_dqid_t id, | |
1281 | uint type, | |
1282 | xfs_dqtest_t **O_dq) | |
1283 | { | |
1284 | xfs_dqtest_t *d; | |
1285 | xfs_dqhash_t *h; | |
1286 | ||
1287 | h = DQTEST_HASH(mp, id, type); | |
1288 | for (d = (xfs_dqtest_t *) h->qh_next; d != NULL; | |
1289 | d = (xfs_dqtest_t *) d->HL_NEXT) { | |
1290 | /* DQTEST_LIST_PRINT(h, HL_NEXT, "@@@@@ dqtestlist @@@@@"); */ | |
1291 | if (d->d_id == id && mp == d->q_mount) { | |
1292 | *O_dq = d; | |
1293 | return (0); | |
1294 | } | |
1295 | } | |
1296 | d = kmem_zalloc(sizeof(xfs_dqtest_t), KM_SLEEP); | |
1297 | d->dq_flags = type; | |
1298 | d->d_id = id; | |
1299 | d->q_mount = mp; | |
1300 | d->q_hash = h; | |
1301 | xfs_qm_hashinsert(h, d); | |
1302 | *O_dq = d; | |
1303 | return (0); | |
1304 | } | |
1305 | ||
1306 | STATIC void | |
1307 | xfs_qm_internalqcheck_get_dquots( | |
1308 | xfs_mount_t *mp, | |
1309 | xfs_dqid_t uid, | |
c8ad20ff | 1310 | xfs_dqid_t projid, |
1da177e4 LT |
1311 | xfs_dqid_t gid, |
1312 | xfs_dqtest_t **ud, | |
1313 | xfs_dqtest_t **gd) | |
1314 | { | |
1315 | if (XFS_IS_UQUOTA_ON(mp)) | |
1316 | xfs_qm_internalqcheck_dqget(mp, uid, XFS_DQ_USER, ud); | |
1317 | if (XFS_IS_GQUOTA_ON(mp)) | |
1318 | xfs_qm_internalqcheck_dqget(mp, gid, XFS_DQ_GROUP, gd); | |
c8ad20ff NS |
1319 | else if (XFS_IS_PQUOTA_ON(mp)) |
1320 | xfs_qm_internalqcheck_dqget(mp, projid, XFS_DQ_PROJ, gd); | |
1da177e4 LT |
1321 | } |
1322 | ||
1323 | ||
1324 | STATIC void | |
1325 | xfs_qm_internalqcheck_dqadjust( | |
1326 | xfs_inode_t *ip, | |
1327 | xfs_dqtest_t *d) | |
1328 | { | |
1329 | d->d_icount++; | |
1330 | d->d_bcount += (xfs_qcnt_t)ip->i_d.di_nblocks; | |
1331 | } | |
1332 | ||
1333 | STATIC int | |
1334 | xfs_qm_internalqcheck_adjust( | |
1335 | xfs_mount_t *mp, /* mount point for filesystem */ | |
1336 | xfs_ino_t ino, /* inode number to get data for */ | |
1337 | void __user *buffer, /* not used */ | |
1338 | int ubsize, /* not used */ | |
1339 | void *private_data, /* not used */ | |
1340 | xfs_daddr_t bno, /* starting block of inode cluster */ | |
1341 | int *ubused, /* not used */ | |
1342 | void *dip, /* not used */ | |
1343 | int *res) /* bulkstat result code */ | |
1344 | { | |
1345 | xfs_inode_t *ip; | |
1346 | xfs_dqtest_t *ud, *gd; | |
1347 | uint lock_flags; | |
1348 | boolean_t ipreleased; | |
1349 | int error; | |
1350 | ||
1351 | ASSERT(XFS_IS_QUOTA_RUNNING(mp)); | |
1352 | ||
1353 | if (ino == mp->m_sb.sb_uquotino || ino == mp->m_sb.sb_gquotino) { | |
1354 | *res = BULKSTAT_RV_NOTHING; | |
1355 | qdprintk("internalqcheck: ino=%llu, uqino=%llu, gqino=%llu\n", | |
1356 | (unsigned long long) ino, | |
1357 | (unsigned long long) mp->m_sb.sb_uquotino, | |
1358 | (unsigned long long) mp->m_sb.sb_gquotino); | |
1359 | return XFS_ERROR(EINVAL); | |
1360 | } | |
1361 | ipreleased = B_FALSE; | |
1362 | again: | |
1363 | lock_flags = XFS_ILOCK_SHARED; | |
1364 | if ((error = xfs_iget(mp, NULL, ino, 0, lock_flags, &ip, bno))) { | |
1365 | *res = BULKSTAT_RV_NOTHING; | |
1366 | return (error); | |
1367 | } | |
1368 | ||
1369 | if (ip->i_d.di_mode == 0) { | |
1370 | xfs_iput_new(ip, lock_flags); | |
1371 | *res = BULKSTAT_RV_NOTHING; | |
1372 | return XFS_ERROR(ENOENT); | |
1373 | } | |
1374 | ||
1375 | /* | |
1376 | * This inode can have blocks after eof which can get released | |
1377 | * when we send it to inactive. Since we don't check the dquot | |
1378 | * until the after all our calculations are done, we must get rid | |
1379 | * of those now. | |
1380 | */ | |
1381 | if (! ipreleased) { | |
1382 | xfs_iput(ip, lock_flags); | |
1383 | ipreleased = B_TRUE; | |
1384 | goto again; | |
1385 | } | |
1386 | xfs_qm_internalqcheck_get_dquots(mp, | |
1387 | (xfs_dqid_t) ip->i_d.di_uid, | |
c8ad20ff | 1388 | (xfs_dqid_t) ip->i_d.di_projid, |
1da177e4 LT |
1389 | (xfs_dqid_t) ip->i_d.di_gid, |
1390 | &ud, &gd); | |
1391 | if (XFS_IS_UQUOTA_ON(mp)) { | |
1392 | ASSERT(ud); | |
1393 | xfs_qm_internalqcheck_dqadjust(ip, ud); | |
1394 | } | |
c8ad20ff | 1395 | if (XFS_IS_OQUOTA_ON(mp)) { |
1da177e4 LT |
1396 | ASSERT(gd); |
1397 | xfs_qm_internalqcheck_dqadjust(ip, gd); | |
1398 | } | |
1399 | xfs_iput(ip, lock_flags); | |
1400 | *res = BULKSTAT_RV_DIDONE; | |
1401 | return (0); | |
1402 | } | |
1403 | ||
1404 | ||
1405 | /* PRIVATE, debugging */ | |
1406 | int | |
1407 | xfs_qm_internalqcheck( | |
1408 | xfs_mount_t *mp) | |
1409 | { | |
1410 | xfs_ino_t lastino; | |
1411 | int done, count; | |
1412 | int i; | |
1413 | xfs_dqtest_t *d, *e; | |
1414 | xfs_dqhash_t *h1; | |
1415 | int error; | |
1416 | ||
1417 | lastino = 0; | |
1418 | qmtest_hashmask = 32; | |
1419 | count = 5; | |
1420 | done = 0; | |
1421 | qmtest_nfails = 0; | |
1422 | ||
1423 | if (! XFS_IS_QUOTA_ON(mp)) | |
1424 | return XFS_ERROR(ESRCH); | |
1425 | ||
1426 | xfs_log_force(mp, (xfs_lsn_t)0, XFS_LOG_FORCE | XFS_LOG_SYNC); | |
1427 | XFS_bflush(mp->m_ddev_targp); | |
1428 | xfs_log_force(mp, (xfs_lsn_t)0, XFS_LOG_FORCE | XFS_LOG_SYNC); | |
1429 | XFS_bflush(mp->m_ddev_targp); | |
1430 | ||
794ee1ba | 1431 | mutex_lock(&qcheck_lock); |
1da177e4 LT |
1432 | /* There should be absolutely no quota activity while this |
1433 | is going on. */ | |
1434 | qmtest_udqtab = kmem_zalloc(qmtest_hashmask * | |
1435 | sizeof(xfs_dqhash_t), KM_SLEEP); | |
1436 | qmtest_gdqtab = kmem_zalloc(qmtest_hashmask * | |
1437 | sizeof(xfs_dqhash_t), KM_SLEEP); | |
1438 | do { | |
1439 | /* | |
1440 | * Iterate thru all the inodes in the file system, | |
1441 | * adjusting the corresponding dquot counters | |
1442 | */ | |
1443 | if ((error = xfs_bulkstat(mp, &lastino, &count, | |
1444 | xfs_qm_internalqcheck_adjust, NULL, | |
1445 | 0, NULL, BULKSTAT_FG_IGET, &done))) { | |
1446 | break; | |
1447 | } | |
1448 | } while (! done); | |
1449 | if (error) { | |
1450 | cmn_err(CE_DEBUG, "Bulkstat returned error 0x%x", error); | |
1451 | } | |
1452 | cmn_err(CE_DEBUG, "Checking results against system dquots"); | |
1453 | for (i = 0; i < qmtest_hashmask; i++) { | |
1454 | h1 = &qmtest_udqtab[i]; | |
1455 | for (d = (xfs_dqtest_t *) h1->qh_next; d != NULL; ) { | |
1456 | xfs_dqtest_cmp(d); | |
1457 | e = (xfs_dqtest_t *) d->HL_NEXT; | |
1458 | kmem_free(d, sizeof(xfs_dqtest_t)); | |
1459 | d = e; | |
1460 | } | |
1461 | h1 = &qmtest_gdqtab[i]; | |
1462 | for (d = (xfs_dqtest_t *) h1->qh_next; d != NULL; ) { | |
1463 | xfs_dqtest_cmp(d); | |
1464 | e = (xfs_dqtest_t *) d->HL_NEXT; | |
1465 | kmem_free(d, sizeof(xfs_dqtest_t)); | |
1466 | d = e; | |
1467 | } | |
1468 | } | |
1469 | ||
1470 | if (qmtest_nfails) { | |
1471 | cmn_err(CE_DEBUG, "******** quotacheck failed ********"); | |
1472 | cmn_err(CE_DEBUG, "failures = %d", qmtest_nfails); | |
1473 | } else { | |
1474 | cmn_err(CE_DEBUG, "******** quotacheck successful! ********"); | |
1475 | } | |
1476 | kmem_free(qmtest_udqtab, qmtest_hashmask * sizeof(xfs_dqhash_t)); | |
1477 | kmem_free(qmtest_gdqtab, qmtest_hashmask * sizeof(xfs_dqhash_t)); | |
1478 | mutex_unlock(&qcheck_lock); | |
1479 | return (qmtest_nfails); | |
1480 | } | |
1481 | ||
1482 | #endif /* DEBUG */ |