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1da177e4 | 1 | /* |
ee34807a | 2 | * Copyright (c) 2000-2005 Silicon Graphics, Inc. All Rights Reserved. |
1da177e4 LT |
3 | * |
4 | * This program is free software; you can redistribute it and/or modify it | |
5 | * under the terms of version 2 of the GNU General Public License as | |
6 | * published by the Free Software Foundation. | |
7 | * | |
8 | * This program is distributed in the hope that it would be useful, but | |
9 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | |
11 | * | |
12 | * Further, this software is distributed without any warranty that it is | |
13 | * free of the rightful claim of any third person regarding infringement | |
14 | * or the like. Any license provided herein, whether implied or | |
15 | * otherwise, applies only to this software file. Patent licenses, if | |
16 | * any, provided herein do not apply to combinations of this program with | |
17 | * other software, or any other product whatsoever. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License along | |
20 | * with this program; if not, write the Free Software Foundation, Inc., 59 | |
21 | * Temple Place - Suite 330, Boston MA 02111-1307, USA. | |
22 | * | |
23 | * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, | |
24 | * Mountain View, CA 94043, or: | |
25 | * | |
26 | * http://www.sgi.com | |
27 | * | |
28 | * For further information regarding this notice, see: | |
29 | * | |
30 | * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/ | |
31 | */ | |
32 | ||
33 | #include "xfs.h" | |
34 | #include "xfs_fs.h" | |
a844f451 | 35 | #include "xfs_bit.h" |
1da177e4 | 36 | #include "xfs_log.h" |
a844f451 | 37 | #include "xfs_inum.h" |
1da177e4 LT |
38 | #include "xfs_trans.h" |
39 | #include "xfs_sb.h" | |
a844f451 | 40 | #include "xfs_ag.h" |
1da177e4 LT |
41 | #include "xfs_dir.h" |
42 | #include "xfs_dir2.h" | |
43 | #include "xfs_alloc.h" | |
44 | #include "xfs_dmapi.h" | |
45 | #include "xfs_quota.h" | |
46 | #include "xfs_mount.h" | |
1da177e4 | 47 | #include "xfs_bmap_btree.h" |
a844f451 | 48 | #include "xfs_alloc_btree.h" |
1da177e4 | 49 | #include "xfs_ialloc_btree.h" |
1da177e4 LT |
50 | #include "xfs_dir_sf.h" |
51 | #include "xfs_dir2_sf.h" | |
a844f451 | 52 | #include "xfs_attr_sf.h" |
1da177e4 LT |
53 | #include "xfs_dinode.h" |
54 | #include "xfs_inode.h" | |
a844f451 NS |
55 | #include "xfs_ialloc.h" |
56 | #include "xfs_itable.h" | |
1da177e4 | 57 | #include "xfs_bmap.h" |
a844f451 | 58 | #include "xfs_btree.h" |
1da177e4 LT |
59 | #include "xfs_rtalloc.h" |
60 | #include "xfs_error.h" | |
1da177e4 LT |
61 | #include "xfs_rw.h" |
62 | #include "xfs_acl.h" | |
63 | #include "xfs_cap.h" | |
64 | #include "xfs_mac.h" | |
65 | #include "xfs_attr.h" | |
66 | #include "xfs_buf_item.h" | |
67 | #include "xfs_utils.h" | |
1da177e4 LT |
68 | #include "xfs_qm.h" |
69 | ||
70 | #ifdef DEBUG | |
71 | # define qdprintk(s, args...) cmn_err(CE_DEBUG, s, ## args) | |
72 | #else | |
73 | # define qdprintk(s, args...) do { } while (0) | |
74 | #endif | |
75 | ||
76 | STATIC int xfs_qm_scall_trunc_qfiles(xfs_mount_t *, uint); | |
77 | STATIC int xfs_qm_scall_getquota(xfs_mount_t *, xfs_dqid_t, uint, | |
78 | fs_disk_quota_t *); | |
79 | STATIC int xfs_qm_scall_getqstat(xfs_mount_t *, fs_quota_stat_t *); | |
80 | STATIC int xfs_qm_scall_setqlim(xfs_mount_t *, xfs_dqid_t, uint, | |
81 | fs_disk_quota_t *); | |
82 | STATIC int xfs_qm_scall_quotaon(xfs_mount_t *, uint); | |
83 | STATIC int xfs_qm_scall_quotaoff(xfs_mount_t *, uint, boolean_t); | |
84 | STATIC int xfs_qm_log_quotaoff(xfs_mount_t *, xfs_qoff_logitem_t **, uint); | |
85 | STATIC int xfs_qm_log_quotaoff_end(xfs_mount_t *, xfs_qoff_logitem_t *, | |
86 | uint); | |
87 | STATIC uint xfs_qm_import_flags(uint); | |
88 | STATIC uint xfs_qm_export_flags(uint); | |
89 | STATIC uint xfs_qm_import_qtype_flags(uint); | |
90 | STATIC uint xfs_qm_export_qtype_flags(uint); | |
91 | STATIC void xfs_qm_export_dquot(xfs_mount_t *, xfs_disk_dquot_t *, | |
92 | fs_disk_quota_t *); | |
93 | ||
94 | ||
95 | /* | |
96 | * The main distribution switch of all XFS quotactl system calls. | |
97 | */ | |
98 | int | |
99 | xfs_qm_quotactl( | |
100 | struct bhv_desc *bdp, | |
101 | int cmd, | |
102 | int id, | |
103 | xfs_caddr_t addr) | |
104 | { | |
105 | xfs_mount_t *mp; | |
106 | int error; | |
107 | struct vfs *vfsp; | |
108 | ||
109 | vfsp = bhvtovfs(bdp); | |
110 | mp = XFS_VFSTOM(vfsp); | |
111 | ||
ee34807a | 112 | ASSERT(addr != NULL || cmd == Q_XQUOTASYNC); |
1da177e4 LT |
113 | |
114 | /* | |
115 | * The following commands are valid even when quotaoff. | |
116 | */ | |
117 | switch (cmd) { | |
c8ad20ff | 118 | case Q_XQUOTARM: |
1da177e4 | 119 | /* |
c8ad20ff | 120 | * Truncate quota files. quota must be off. |
1da177e4 | 121 | */ |
c310ab6c | 122 | if (XFS_IS_QUOTA_ON(mp)) |
1da177e4 LT |
123 | return XFS_ERROR(EINVAL); |
124 | if (vfsp->vfs_flag & VFS_RDONLY) | |
125 | return XFS_ERROR(EROFS); | |
126 | return (xfs_qm_scall_trunc_qfiles(mp, | |
127 | xfs_qm_import_qtype_flags(*(uint *)addr))); | |
c8ad20ff NS |
128 | |
129 | case Q_XGETQSTAT: | |
1da177e4 LT |
130 | /* |
131 | * Get quota status information. | |
132 | */ | |
1da177e4 LT |
133 | return (xfs_qm_scall_getqstat(mp, (fs_quota_stat_t *)addr)); |
134 | ||
c8ad20ff | 135 | case Q_XQUOTAON: |
1da177e4 | 136 | /* |
c8ad20ff NS |
137 | * QUOTAON - enabling quota enforcement. |
138 | * Quota accounting must be turned on at mount time. | |
1da177e4 | 139 | */ |
1da177e4 LT |
140 | if (vfsp->vfs_flag & VFS_RDONLY) |
141 | return XFS_ERROR(EROFS); | |
142 | return (xfs_qm_scall_quotaon(mp, | |
143 | xfs_qm_import_flags(*(uint *)addr))); | |
c8ad20ff NS |
144 | |
145 | case Q_XQUOTAOFF: | |
1da177e4 LT |
146 | if (vfsp->vfs_flag & VFS_RDONLY) |
147 | return XFS_ERROR(EROFS); | |
148 | break; | |
149 | ||
ee34807a NS |
150 | case Q_XQUOTASYNC: |
151 | return (xfs_sync_inodes(mp, SYNC_DELWRI, 0, NULL)); | |
152 | ||
c8ad20ff | 153 | default: |
1da177e4 LT |
154 | break; |
155 | } | |
156 | ||
157 | if (! XFS_IS_QUOTA_ON(mp)) | |
158 | return XFS_ERROR(ESRCH); | |
159 | ||
160 | switch (cmd) { | |
c8ad20ff | 161 | case Q_XQUOTAOFF: |
1da177e4 LT |
162 | if (vfsp->vfs_flag & VFS_RDONLY) |
163 | return XFS_ERROR(EROFS); | |
164 | error = xfs_qm_scall_quotaoff(mp, | |
165 | xfs_qm_import_flags(*(uint *)addr), | |
166 | B_FALSE); | |
167 | break; | |
168 | ||
c8ad20ff | 169 | case Q_XGETQUOTA: |
1da177e4 LT |
170 | error = xfs_qm_scall_getquota(mp, (xfs_dqid_t)id, XFS_DQ_USER, |
171 | (fs_disk_quota_t *)addr); | |
172 | break; | |
c8ad20ff NS |
173 | case Q_XGETGQUOTA: |
174 | error = xfs_qm_scall_getquota(mp, (xfs_dqid_t)id, XFS_DQ_GROUP, | |
175 | (fs_disk_quota_t *)addr); | |
176 | break; | |
177 | case Q_XGETPQUOTA: | |
178 | error = xfs_qm_scall_getquota(mp, (xfs_dqid_t)id, XFS_DQ_PROJ, | |
179 | (fs_disk_quota_t *)addr); | |
180 | break; | |
181 | ||
182 | case Q_XSETQLIM: | |
1da177e4 LT |
183 | if (vfsp->vfs_flag & VFS_RDONLY) |
184 | return XFS_ERROR(EROFS); | |
185 | error = xfs_qm_scall_setqlim(mp, (xfs_dqid_t)id, XFS_DQ_USER, | |
186 | (fs_disk_quota_t *)addr); | |
187 | break; | |
c8ad20ff | 188 | case Q_XSETGQLIM: |
1da177e4 LT |
189 | if (vfsp->vfs_flag & VFS_RDONLY) |
190 | return XFS_ERROR(EROFS); | |
191 | error = xfs_qm_scall_setqlim(mp, (xfs_dqid_t)id, XFS_DQ_GROUP, | |
192 | (fs_disk_quota_t *)addr); | |
193 | break; | |
c8ad20ff NS |
194 | case Q_XSETPQLIM: |
195 | if (vfsp->vfs_flag & VFS_RDONLY) | |
196 | return XFS_ERROR(EROFS); | |
197 | error = xfs_qm_scall_setqlim(mp, (xfs_dqid_t)id, XFS_DQ_PROJ, | |
198 | (fs_disk_quota_t *)addr); | |
1da177e4 LT |
199 | break; |
200 | ||
c8ad20ff | 201 | default: |
1da177e4 LT |
202 | error = XFS_ERROR(EINVAL); |
203 | break; | |
204 | } | |
205 | ||
206 | return (error); | |
207 | } | |
208 | ||
209 | /* | |
210 | * Turn off quota accounting and/or enforcement for all udquots and/or | |
211 | * gdquots. Called only at unmount time. | |
212 | * | |
213 | * This assumes that there are no dquots of this file system cached | |
214 | * incore, and modifies the ondisk dquot directly. Therefore, for example, | |
215 | * it is an error to call this twice, without purging the cache. | |
216 | */ | |
217 | STATIC int | |
218 | xfs_qm_scall_quotaoff( | |
219 | xfs_mount_t *mp, | |
220 | uint flags, | |
221 | boolean_t force) | |
222 | { | |
223 | uint dqtype; | |
224 | unsigned long s; | |
225 | int error; | |
226 | uint inactivate_flags; | |
227 | xfs_qoff_logitem_t *qoffstart; | |
228 | int nculprits; | |
229 | ||
230 | if (!force && !capable(CAP_SYS_ADMIN)) | |
231 | return XFS_ERROR(EPERM); | |
232 | /* | |
233 | * No file system can have quotas enabled on disk but not in core. | |
234 | * Note that quota utilities (like quotaoff) _expect_ | |
235 | * errno == EEXIST here. | |
236 | */ | |
237 | if ((mp->m_qflags & flags) == 0) | |
238 | return XFS_ERROR(EEXIST); | |
239 | error = 0; | |
240 | ||
241 | flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD); | |
242 | ||
243 | /* | |
244 | * We don't want to deal with two quotaoffs messing up each other, | |
245 | * so we're going to serialize it. quotaoff isn't exactly a performance | |
246 | * critical thing. | |
247 | * If quotaoff, then we must be dealing with the root filesystem. | |
248 | */ | |
249 | ASSERT(mp->m_quotainfo); | |
250 | if (mp->m_quotainfo) | |
251 | mutex_lock(&(XFS_QI_QOFFLOCK(mp)), PINOD); | |
252 | ||
253 | ASSERT(mp->m_quotainfo); | |
254 | ||
255 | /* | |
256 | * If we're just turning off quota enforcement, change mp and go. | |
257 | */ | |
258 | if ((flags & XFS_ALL_QUOTA_ACCT) == 0) { | |
259 | mp->m_qflags &= ~(flags); | |
260 | ||
261 | s = XFS_SB_LOCK(mp); | |
262 | mp->m_sb.sb_qflags = mp->m_qflags; | |
263 | XFS_SB_UNLOCK(mp, s); | |
264 | mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); | |
265 | ||
266 | /* XXX what to do if error ? Revert back to old vals incore ? */ | |
267 | error = xfs_qm_write_sb_changes(mp, XFS_SB_QFLAGS); | |
268 | return (error); | |
269 | } | |
270 | ||
271 | dqtype = 0; | |
272 | inactivate_flags = 0; | |
273 | /* | |
274 | * If accounting is off, we must turn enforcement off, clear the | |
275 | * quota 'CHKD' certificate to make it known that we have to | |
276 | * do a quotacheck the next time this quota is turned on. | |
277 | */ | |
278 | if (flags & XFS_UQUOTA_ACCT) { | |
279 | dqtype |= XFS_QMOPT_UQUOTA; | |
280 | flags |= (XFS_UQUOTA_CHKD | XFS_UQUOTA_ENFD); | |
281 | inactivate_flags |= XFS_UQUOTA_ACTIVE; | |
282 | } | |
283 | if (flags & XFS_GQUOTA_ACCT) { | |
284 | dqtype |= XFS_QMOPT_GQUOTA; | |
c8ad20ff | 285 | flags |= (XFS_OQUOTA_CHKD | XFS_OQUOTA_ENFD); |
1da177e4 | 286 | inactivate_flags |= XFS_GQUOTA_ACTIVE; |
c8ad20ff NS |
287 | } else if (flags & XFS_PQUOTA_ACCT) { |
288 | dqtype |= XFS_QMOPT_PQUOTA; | |
289 | flags |= (XFS_OQUOTA_CHKD | XFS_OQUOTA_ENFD); | |
290 | inactivate_flags |= XFS_PQUOTA_ACTIVE; | |
1da177e4 LT |
291 | } |
292 | ||
293 | /* | |
294 | * Nothing to do? Don't complain. This happens when we're just | |
295 | * turning off quota enforcement. | |
296 | */ | |
297 | if ((mp->m_qflags & flags) == 0) { | |
298 | mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); | |
299 | return (0); | |
300 | } | |
301 | ||
302 | /* | |
303 | * Write the LI_QUOTAOFF log record, and do SB changes atomically, | |
304 | * and synchronously. | |
305 | */ | |
306 | xfs_qm_log_quotaoff(mp, &qoffstart, flags); | |
307 | ||
308 | /* | |
309 | * Next we clear the XFS_MOUNT_*DQ_ACTIVE bit(s) in the mount struct | |
310 | * to take care of the race between dqget and quotaoff. We don't take | |
311 | * any special locks to reset these bits. All processes need to check | |
312 | * these bits *after* taking inode lock(s) to see if the particular | |
313 | * quota type is in the process of being turned off. If *ACTIVE, it is | |
314 | * guaranteed that all dquot structures and all quotainode ptrs will all | |
315 | * stay valid as long as that inode is kept locked. | |
316 | * | |
317 | * There is no turning back after this. | |
318 | */ | |
319 | mp->m_qflags &= ~inactivate_flags; | |
320 | ||
321 | /* | |
322 | * Give back all the dquot reference(s) held by inodes. | |
323 | * Here we go thru every single incore inode in this file system, and | |
324 | * do a dqrele on the i_udquot/i_gdquot that it may have. | |
325 | * Essentially, as long as somebody has an inode locked, this guarantees | |
326 | * that quotas will not be turned off. This is handy because in a | |
327 | * transaction once we lock the inode(s) and check for quotaon, we can | |
328 | * depend on the quota inodes (and other things) being valid as long as | |
329 | * we keep the lock(s). | |
330 | */ | |
331 | xfs_qm_dqrele_all_inodes(mp, flags); | |
332 | ||
333 | /* | |
334 | * Next we make the changes in the quota flag in the mount struct. | |
335 | * This isn't protected by a particular lock directly, because we | |
336 | * don't want to take a mrlock everytime we depend on quotas being on. | |
337 | */ | |
338 | mp->m_qflags &= ~(flags); | |
339 | ||
340 | /* | |
341 | * Go through all the dquots of this file system and purge them, | |
342 | * according to what was turned off. We may not be able to get rid | |
343 | * of all dquots, because dquots can have temporary references that | |
344 | * are not attached to inodes. eg. xfs_setattr, xfs_create. | |
345 | * So, if we couldn't purge all the dquots from the filesystem, | |
346 | * we can't get rid of the incore data structures. | |
347 | */ | |
348 | while ((nculprits = xfs_qm_dqpurge_all(mp, dqtype|XFS_QMOPT_QUOTAOFF))) | |
349 | delay(10 * nculprits); | |
350 | ||
351 | /* | |
352 | * Transactions that had started before ACTIVE state bit was cleared | |
353 | * could have logged many dquots, so they'd have higher LSNs than | |
354 | * the first QUOTAOFF log record does. If we happen to crash when | |
355 | * the tail of the log has gone past the QUOTAOFF record, but | |
356 | * before the last dquot modification, those dquots __will__ | |
357 | * recover, and that's not good. | |
358 | * | |
359 | * So, we have QUOTAOFF start and end logitems; the start | |
360 | * logitem won't get overwritten until the end logitem appears... | |
361 | */ | |
362 | xfs_qm_log_quotaoff_end(mp, qoffstart, flags); | |
363 | ||
364 | /* | |
365 | * If quotas is completely disabled, close shop. | |
366 | */ | |
c8ad20ff NS |
367 | if (((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_SET1) || |
368 | ((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_SET2)) { | |
1da177e4 LT |
369 | mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); |
370 | xfs_qm_destroy_quotainfo(mp); | |
371 | return (0); | |
372 | } | |
373 | ||
374 | /* | |
375 | * Release our quotainode references, and vn_purge them, | |
376 | * if we don't need them anymore. | |
377 | */ | |
378 | if ((dqtype & XFS_QMOPT_UQUOTA) && XFS_QI_UQIP(mp)) { | |
379 | XFS_PURGE_INODE(XFS_QI_UQIP(mp)); | |
380 | XFS_QI_UQIP(mp) = NULL; | |
381 | } | |
c8ad20ff | 382 | if ((dqtype & (XFS_QMOPT_GQUOTA|XFS_QMOPT_PQUOTA)) && XFS_QI_GQIP(mp)) { |
1da177e4 LT |
383 | XFS_PURGE_INODE(XFS_QI_GQIP(mp)); |
384 | XFS_QI_GQIP(mp) = NULL; | |
385 | } | |
386 | mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); | |
387 | ||
388 | return (error); | |
389 | } | |
390 | ||
391 | STATIC int | |
392 | xfs_qm_scall_trunc_qfiles( | |
393 | xfs_mount_t *mp, | |
394 | uint flags) | |
395 | { | |
396 | int error; | |
397 | xfs_inode_t *qip; | |
398 | ||
399 | if (!capable(CAP_SYS_ADMIN)) | |
400 | return XFS_ERROR(EPERM); | |
401 | error = 0; | |
402 | if (!XFS_SB_VERSION_HASQUOTA(&mp->m_sb) || flags == 0) { | |
403 | qdprintk("qtrunc flags=%x m_qflags=%x\n", flags, mp->m_qflags); | |
404 | return XFS_ERROR(EINVAL); | |
405 | } | |
406 | ||
407 | if ((flags & XFS_DQ_USER) && mp->m_sb.sb_uquotino != NULLFSINO) { | |
408 | error = xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, 0, 0, &qip, 0); | |
409 | if (! error) { | |
410 | (void) xfs_truncate_file(mp, qip); | |
411 | VN_RELE(XFS_ITOV(qip)); | |
412 | } | |
413 | } | |
414 | ||
c8ad20ff NS |
415 | if ((flags & (XFS_DQ_GROUP|XFS_DQ_PROJ)) && |
416 | mp->m_sb.sb_gquotino != NULLFSINO) { | |
1da177e4 LT |
417 | error = xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, 0, 0, &qip, 0); |
418 | if (! error) { | |
419 | (void) xfs_truncate_file(mp, qip); | |
420 | VN_RELE(XFS_ITOV(qip)); | |
421 | } | |
422 | } | |
423 | ||
424 | return (error); | |
425 | } | |
426 | ||
427 | ||
428 | /* | |
429 | * Switch on (a given) quota enforcement for a filesystem. This takes | |
430 | * effect immediately. | |
431 | * (Switching on quota accounting must be done at mount time.) | |
432 | */ | |
433 | STATIC int | |
434 | xfs_qm_scall_quotaon( | |
435 | xfs_mount_t *mp, | |
436 | uint flags) | |
437 | { | |
438 | int error; | |
c8ad20ff | 439 | unsigned long s; |
1da177e4 LT |
440 | uint qf; |
441 | uint accflags; | |
442 | __int64_t sbflags; | |
443 | ||
444 | if (!capable(CAP_SYS_ADMIN)) | |
445 | return XFS_ERROR(EPERM); | |
446 | ||
447 | flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD); | |
448 | /* | |
449 | * Switching on quota accounting must be done at mount time. | |
450 | */ | |
451 | accflags = flags & XFS_ALL_QUOTA_ACCT; | |
452 | flags &= ~(XFS_ALL_QUOTA_ACCT); | |
453 | ||
454 | sbflags = 0; | |
455 | ||
456 | if (flags == 0) { | |
457 | qdprintk("quotaon: zero flags, m_qflags=%x\n", mp->m_qflags); | |
458 | return XFS_ERROR(EINVAL); | |
459 | } | |
460 | ||
461 | /* No fs can turn on quotas with a delayed effect */ | |
462 | ASSERT((flags & XFS_ALL_QUOTA_ACCT) == 0); | |
463 | ||
464 | /* | |
465 | * Can't enforce without accounting. We check the superblock | |
466 | * qflags here instead of m_qflags because rootfs can have | |
467 | * quota acct on ondisk without m_qflags' knowing. | |
468 | */ | |
469 | if (((flags & XFS_UQUOTA_ACCT) == 0 && | |
470 | (mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) == 0 && | |
471 | (flags & XFS_UQUOTA_ENFD)) | |
472 | || | |
c8ad20ff NS |
473 | ((flags & XFS_PQUOTA_ACCT) == 0 && |
474 | (mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) == 0 && | |
475 | (flags & XFS_OQUOTA_ENFD)) | |
476 | || | |
1da177e4 LT |
477 | ((flags & XFS_GQUOTA_ACCT) == 0 && |
478 | (mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) == 0 && | |
c8ad20ff | 479 | (flags & XFS_OQUOTA_ENFD))) { |
1da177e4 LT |
480 | qdprintk("Can't enforce without acct, flags=%x sbflags=%x\n", |
481 | flags, mp->m_sb.sb_qflags); | |
482 | return XFS_ERROR(EINVAL); | |
483 | } | |
484 | /* | |
485 | * If everything's upto-date incore, then don't waste time. | |
486 | */ | |
487 | if ((mp->m_qflags & flags) == flags) | |
488 | return XFS_ERROR(EEXIST); | |
489 | ||
490 | /* | |
491 | * Change sb_qflags on disk but not incore mp->qflags | |
492 | * if this is the root filesystem. | |
493 | */ | |
494 | s = XFS_SB_LOCK(mp); | |
495 | qf = mp->m_sb.sb_qflags; | |
496 | mp->m_sb.sb_qflags = qf | flags; | |
497 | XFS_SB_UNLOCK(mp, s); | |
498 | ||
499 | /* | |
500 | * There's nothing to change if it's the same. | |
501 | */ | |
502 | if ((qf & flags) == flags && sbflags == 0) | |
503 | return XFS_ERROR(EEXIST); | |
504 | sbflags |= XFS_SB_QFLAGS; | |
505 | ||
506 | if ((error = xfs_qm_write_sb_changes(mp, sbflags))) | |
507 | return (error); | |
508 | /* | |
509 | * If we aren't trying to switch on quota enforcement, we are done. | |
510 | */ | |
511 | if (((mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) != | |
512 | (mp->m_qflags & XFS_UQUOTA_ACCT)) || | |
c8ad20ff NS |
513 | ((mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) != |
514 | (mp->m_qflags & XFS_PQUOTA_ACCT)) || | |
515 | ((mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) != | |
516 | (mp->m_qflags & XFS_GQUOTA_ACCT)) || | |
1da177e4 LT |
517 | (flags & XFS_ALL_QUOTA_ENFD) == 0) |
518 | return (0); | |
519 | ||
520 | if (! XFS_IS_QUOTA_RUNNING(mp)) | |
521 | return XFS_ERROR(ESRCH); | |
522 | ||
523 | /* | |
524 | * Switch on quota enforcement in core. | |
525 | */ | |
526 | mutex_lock(&(XFS_QI_QOFFLOCK(mp)), PINOD); | |
527 | mp->m_qflags |= (flags & XFS_ALL_QUOTA_ENFD); | |
528 | mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); | |
529 | ||
530 | return (0); | |
531 | } | |
532 | ||
533 | ||
1da177e4 LT |
534 | /* |
535 | * Return quota status information, such as uquota-off, enforcements, etc. | |
536 | */ | |
537 | STATIC int | |
538 | xfs_qm_scall_getqstat( | |
539 | xfs_mount_t *mp, | |
540 | fs_quota_stat_t *out) | |
541 | { | |
542 | xfs_inode_t *uip, *gip; | |
543 | boolean_t tempuqip, tempgqip; | |
544 | ||
545 | uip = gip = NULL; | |
546 | tempuqip = tempgqip = B_FALSE; | |
547 | memset(out, 0, sizeof(fs_quota_stat_t)); | |
548 | ||
549 | out->qs_version = FS_QSTAT_VERSION; | |
550 | if (! XFS_SB_VERSION_HASQUOTA(&mp->m_sb)) { | |
551 | out->qs_uquota.qfs_ino = NULLFSINO; | |
552 | out->qs_gquota.qfs_ino = NULLFSINO; | |
553 | return (0); | |
554 | } | |
555 | out->qs_flags = (__uint16_t) xfs_qm_export_flags(mp->m_qflags & | |
556 | (XFS_ALL_QUOTA_ACCT| | |
557 | XFS_ALL_QUOTA_ENFD)); | |
558 | out->qs_pad = 0; | |
559 | out->qs_uquota.qfs_ino = mp->m_sb.sb_uquotino; | |
560 | out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino; | |
561 | ||
562 | if (mp->m_quotainfo) { | |
563 | uip = mp->m_quotainfo->qi_uquotaip; | |
564 | gip = mp->m_quotainfo->qi_gquotaip; | |
565 | } | |
566 | if (!uip && mp->m_sb.sb_uquotino != NULLFSINO) { | |
567 | if (xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, | |
568 | 0, 0, &uip, 0) == 0) | |
569 | tempuqip = B_TRUE; | |
570 | } | |
571 | if (!gip && mp->m_sb.sb_gquotino != NULLFSINO) { | |
572 | if (xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, | |
573 | 0, 0, &gip, 0) == 0) | |
574 | tempgqip = B_TRUE; | |
575 | } | |
576 | if (uip) { | |
577 | out->qs_uquota.qfs_nblks = uip->i_d.di_nblocks; | |
578 | out->qs_uquota.qfs_nextents = uip->i_d.di_nextents; | |
579 | if (tempuqip) | |
580 | VN_RELE(XFS_ITOV(uip)); | |
581 | } | |
582 | if (gip) { | |
583 | out->qs_gquota.qfs_nblks = gip->i_d.di_nblocks; | |
584 | out->qs_gquota.qfs_nextents = gip->i_d.di_nextents; | |
585 | if (tempgqip) | |
586 | VN_RELE(XFS_ITOV(gip)); | |
587 | } | |
588 | if (mp->m_quotainfo) { | |
589 | out->qs_incoredqs = XFS_QI_MPLNDQUOTS(mp); | |
590 | out->qs_btimelimit = XFS_QI_BTIMELIMIT(mp); | |
591 | out->qs_itimelimit = XFS_QI_ITIMELIMIT(mp); | |
592 | out->qs_rtbtimelimit = XFS_QI_RTBTIMELIMIT(mp); | |
593 | out->qs_bwarnlimit = XFS_QI_BWARNLIMIT(mp); | |
594 | out->qs_iwarnlimit = XFS_QI_IWARNLIMIT(mp); | |
595 | } | |
596 | return (0); | |
597 | } | |
598 | ||
599 | /* | |
600 | * Adjust quota limits, and start/stop timers accordingly. | |
601 | */ | |
602 | STATIC int | |
603 | xfs_qm_scall_setqlim( | |
604 | xfs_mount_t *mp, | |
605 | xfs_dqid_t id, | |
606 | uint type, | |
607 | fs_disk_quota_t *newlim) | |
608 | { | |
609 | xfs_disk_dquot_t *ddq; | |
610 | xfs_dquot_t *dqp; | |
611 | xfs_trans_t *tp; | |
612 | int error; | |
613 | xfs_qcnt_t hard, soft; | |
614 | ||
615 | if (!capable(CAP_SYS_ADMIN)) | |
616 | return XFS_ERROR(EPERM); | |
617 | ||
754002b4 NS |
618 | if ((newlim->d_fieldmask & |
619 | (FS_DQ_LIMIT_MASK|FS_DQ_TIMER_MASK|FS_DQ_WARNS_MASK)) == 0) | |
1da177e4 LT |
620 | return (0); |
621 | ||
622 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SETQLIM); | |
623 | if ((error = xfs_trans_reserve(tp, 0, sizeof(xfs_disk_dquot_t) + 128, | |
624 | 0, 0, XFS_DEFAULT_LOG_COUNT))) { | |
625 | xfs_trans_cancel(tp, 0); | |
626 | return (error); | |
627 | } | |
628 | ||
629 | /* | |
630 | * We don't want to race with a quotaoff so take the quotaoff lock. | |
631 | * (We don't hold an inode lock, so there's nothing else to stop | |
632 | * a quotaoff from happening). (XXXThis doesn't currently happen | |
633 | * because we take the vfslock before calling xfs_qm_sysent). | |
634 | */ | |
635 | mutex_lock(&(XFS_QI_QOFFLOCK(mp)), PINOD); | |
636 | ||
637 | /* | |
638 | * Get the dquot (locked), and join it to the transaction. | |
639 | * Allocate the dquot if this doesn't exist. | |
640 | */ | |
641 | if ((error = xfs_qm_dqget(mp, NULL, id, type, XFS_QMOPT_DQALLOC, &dqp))) { | |
642 | xfs_trans_cancel(tp, XFS_TRANS_ABORT); | |
643 | mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); | |
644 | ASSERT(error != ENOENT); | |
645 | return (error); | |
646 | } | |
647 | xfs_dqtrace_entry(dqp, "Q_SETQLIM: AFT DQGET"); | |
648 | xfs_trans_dqjoin(tp, dqp); | |
649 | ddq = &dqp->q_core; | |
650 | ||
651 | /* | |
652 | * Make sure that hardlimits are >= soft limits before changing. | |
653 | */ | |
654 | hard = (newlim->d_fieldmask & FS_DQ_BHARD) ? | |
655 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_hardlimit) : | |
656 | INT_GET(ddq->d_blk_hardlimit, ARCH_CONVERT); | |
657 | soft = (newlim->d_fieldmask & FS_DQ_BSOFT) ? | |
658 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_softlimit) : | |
659 | INT_GET(ddq->d_blk_softlimit, ARCH_CONVERT); | |
660 | if (hard == 0 || hard >= soft) { | |
661 | INT_SET(ddq->d_blk_hardlimit, ARCH_CONVERT, hard); | |
662 | INT_SET(ddq->d_blk_softlimit, ARCH_CONVERT, soft); | |
663 | if (id == 0) { | |
664 | mp->m_quotainfo->qi_bhardlimit = hard; | |
665 | mp->m_quotainfo->qi_bsoftlimit = soft; | |
666 | } | |
667 | } else { | |
668 | qdprintk("blkhard %Ld < blksoft %Ld\n", hard, soft); | |
669 | } | |
670 | hard = (newlim->d_fieldmask & FS_DQ_RTBHARD) ? | |
671 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_rtb_hardlimit) : | |
672 | INT_GET(ddq->d_rtb_hardlimit, ARCH_CONVERT); | |
673 | soft = (newlim->d_fieldmask & FS_DQ_RTBSOFT) ? | |
674 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_rtb_softlimit) : | |
675 | INT_GET(ddq->d_rtb_softlimit, ARCH_CONVERT); | |
676 | if (hard == 0 || hard >= soft) { | |
677 | INT_SET(ddq->d_rtb_hardlimit, ARCH_CONVERT, hard); | |
678 | INT_SET(ddq->d_rtb_softlimit, ARCH_CONVERT, soft); | |
679 | if (id == 0) { | |
680 | mp->m_quotainfo->qi_rtbhardlimit = hard; | |
681 | mp->m_quotainfo->qi_rtbsoftlimit = soft; | |
682 | } | |
683 | } else { | |
684 | qdprintk("rtbhard %Ld < rtbsoft %Ld\n", hard, soft); | |
685 | } | |
686 | ||
687 | hard = (newlim->d_fieldmask & FS_DQ_IHARD) ? | |
688 | (xfs_qcnt_t) newlim->d_ino_hardlimit : | |
689 | INT_GET(ddq->d_ino_hardlimit, ARCH_CONVERT); | |
690 | soft = (newlim->d_fieldmask & FS_DQ_ISOFT) ? | |
691 | (xfs_qcnt_t) newlim->d_ino_softlimit : | |
692 | INT_GET(ddq->d_ino_softlimit, ARCH_CONVERT); | |
693 | if (hard == 0 || hard >= soft) { | |
694 | INT_SET(ddq->d_ino_hardlimit, ARCH_CONVERT, hard); | |
695 | INT_SET(ddq->d_ino_softlimit, ARCH_CONVERT, soft); | |
696 | if (id == 0) { | |
697 | mp->m_quotainfo->qi_ihardlimit = hard; | |
698 | mp->m_quotainfo->qi_isoftlimit = soft; | |
699 | } | |
700 | } else { | |
701 | qdprintk("ihard %Ld < isoft %Ld\n", hard, soft); | |
702 | } | |
703 | ||
754002b4 NS |
704 | /* |
705 | * Update warnings counter(s) if requested | |
706 | */ | |
707 | if (newlim->d_fieldmask & FS_DQ_BWARNS) | |
708 | INT_SET(ddq->d_bwarns, ARCH_CONVERT, newlim->d_bwarns); | |
709 | if (newlim->d_fieldmask & FS_DQ_IWARNS) | |
710 | INT_SET(ddq->d_iwarns, ARCH_CONVERT, newlim->d_iwarns); | |
711 | if (newlim->d_fieldmask & FS_DQ_RTBWARNS) | |
712 | INT_SET(ddq->d_rtbwarns, ARCH_CONVERT, newlim->d_rtbwarns); | |
713 | ||
1da177e4 LT |
714 | if (id == 0) { |
715 | /* | |
716 | * Timelimits for the super user set the relative time | |
717 | * the other users can be over quota for this file system. | |
718 | * If it is zero a default is used. Ditto for the default | |
754002b4 NS |
719 | * soft and hard limit values (already done, above), and |
720 | * for warnings. | |
1da177e4 LT |
721 | */ |
722 | if (newlim->d_fieldmask & FS_DQ_BTIMER) { | |
723 | mp->m_quotainfo->qi_btimelimit = newlim->d_btimer; | |
724 | INT_SET(ddq->d_btimer, ARCH_CONVERT, newlim->d_btimer); | |
725 | } | |
726 | if (newlim->d_fieldmask & FS_DQ_ITIMER) { | |
727 | mp->m_quotainfo->qi_itimelimit = newlim->d_itimer; | |
728 | INT_SET(ddq->d_itimer, ARCH_CONVERT, newlim->d_itimer); | |
729 | } | |
730 | if (newlim->d_fieldmask & FS_DQ_RTBTIMER) { | |
731 | mp->m_quotainfo->qi_rtbtimelimit = newlim->d_rtbtimer; | |
732 | INT_SET(ddq->d_rtbtimer, ARCH_CONVERT, newlim->d_rtbtimer); | |
733 | } | |
754002b4 NS |
734 | if (newlim->d_fieldmask & FS_DQ_BWARNS) |
735 | mp->m_quotainfo->qi_bwarnlimit = newlim->d_bwarns; | |
736 | if (newlim->d_fieldmask & FS_DQ_IWARNS) | |
737 | mp->m_quotainfo->qi_iwarnlimit = newlim->d_iwarns; | |
738 | if (newlim->d_fieldmask & FS_DQ_RTBWARNS) | |
739 | mp->m_quotainfo->qi_rtbwarnlimit = newlim->d_rtbwarns; | |
740 | } else { | |
1da177e4 LT |
741 | /* |
742 | * If the user is now over quota, start the timelimit. | |
743 | * The user will not be 'warned'. | |
744 | * Note that we keep the timers ticking, whether enforcement | |
745 | * is on or off. We don't really want to bother with iterating | |
746 | * over all ondisk dquots and turning the timers on/off. | |
747 | */ | |
748 | xfs_qm_adjust_dqtimers(mp, ddq); | |
749 | } | |
750 | dqp->dq_flags |= XFS_DQ_DIRTY; | |
751 | xfs_trans_log_dquot(tp, dqp); | |
752 | ||
753 | xfs_dqtrace_entry(dqp, "Q_SETQLIM: COMMIT"); | |
754 | xfs_trans_commit(tp, 0, NULL); | |
755 | xfs_qm_dqprint(dqp); | |
756 | xfs_qm_dqrele(dqp); | |
757 | mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); | |
758 | ||
759 | return (0); | |
760 | } | |
761 | ||
762 | STATIC int | |
763 | xfs_qm_scall_getquota( | |
764 | xfs_mount_t *mp, | |
765 | xfs_dqid_t id, | |
766 | uint type, | |
767 | fs_disk_quota_t *out) | |
768 | { | |
769 | xfs_dquot_t *dqp; | |
770 | int error; | |
771 | ||
772 | /* | |
773 | * Try to get the dquot. We don't want it allocated on disk, so | |
774 | * we aren't passing the XFS_QMOPT_DOALLOC flag. If it doesn't | |
775 | * exist, we'll get ENOENT back. | |
776 | */ | |
777 | if ((error = xfs_qm_dqget(mp, NULL, id, type, 0, &dqp))) { | |
778 | return (error); | |
779 | } | |
780 | ||
781 | xfs_dqtrace_entry(dqp, "Q_GETQUOTA SUCCESS"); | |
782 | /* | |
783 | * If everything's NULL, this dquot doesn't quite exist as far as | |
784 | * our utility programs are concerned. | |
785 | */ | |
786 | if (XFS_IS_DQUOT_UNINITIALIZED(dqp)) { | |
787 | xfs_qm_dqput(dqp); | |
788 | return XFS_ERROR(ENOENT); | |
789 | } | |
790 | /* xfs_qm_dqprint(dqp); */ | |
791 | /* | |
792 | * Convert the disk dquot to the exportable format | |
793 | */ | |
794 | xfs_qm_export_dquot(mp, &dqp->q_core, out); | |
795 | xfs_qm_dqput(dqp); | |
796 | return (error ? XFS_ERROR(EFAULT) : 0); | |
797 | } | |
798 | ||
799 | ||
800 | STATIC int | |
801 | xfs_qm_log_quotaoff_end( | |
802 | xfs_mount_t *mp, | |
803 | xfs_qoff_logitem_t *startqoff, | |
804 | uint flags) | |
805 | { | |
c8ad20ff | 806 | xfs_trans_t *tp; |
1da177e4 | 807 | int error; |
c8ad20ff | 808 | xfs_qoff_logitem_t *qoffi; |
1da177e4 LT |
809 | |
810 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF_END); | |
811 | ||
812 | if ((error = xfs_trans_reserve(tp, 0, sizeof(xfs_qoff_logitem_t) * 2, | |
813 | 0, 0, XFS_DEFAULT_LOG_COUNT))) { | |
814 | xfs_trans_cancel(tp, 0); | |
815 | return (error); | |
816 | } | |
817 | ||
818 | qoffi = xfs_trans_get_qoff_item(tp, startqoff, | |
819 | flags & XFS_ALL_QUOTA_ACCT); | |
820 | xfs_trans_log_quotaoff_item(tp, qoffi); | |
821 | ||
822 | /* | |
823 | * We have to make sure that the transaction is secure on disk before we | |
824 | * return and actually stop quota accounting. So, make it synchronous. | |
825 | * We don't care about quotoff's performance. | |
826 | */ | |
827 | xfs_trans_set_sync(tp); | |
828 | error = xfs_trans_commit(tp, 0, NULL); | |
829 | return (error); | |
830 | } | |
831 | ||
832 | ||
833 | STATIC int | |
834 | xfs_qm_log_quotaoff( | |
835 | xfs_mount_t *mp, | |
836 | xfs_qoff_logitem_t **qoffstartp, | |
837 | uint flags) | |
838 | { | |
839 | xfs_trans_t *tp; | |
840 | int error; | |
841 | unsigned long s; | |
842 | xfs_qoff_logitem_t *qoffi=NULL; | |
843 | uint oldsbqflag=0; | |
844 | ||
845 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF); | |
846 | if ((error = xfs_trans_reserve(tp, 0, | |
847 | sizeof(xfs_qoff_logitem_t) * 2 + | |
848 | mp->m_sb.sb_sectsize + 128, | |
849 | 0, | |
850 | 0, | |
851 | XFS_DEFAULT_LOG_COUNT))) { | |
852 | goto error0; | |
853 | } | |
854 | ||
855 | qoffi = xfs_trans_get_qoff_item(tp, NULL, flags & XFS_ALL_QUOTA_ACCT); | |
856 | xfs_trans_log_quotaoff_item(tp, qoffi); | |
857 | ||
858 | s = XFS_SB_LOCK(mp); | |
859 | oldsbqflag = mp->m_sb.sb_qflags; | |
860 | mp->m_sb.sb_qflags = (mp->m_qflags & ~(flags)) & XFS_MOUNT_QUOTA_ALL; | |
861 | XFS_SB_UNLOCK(mp, s); | |
862 | ||
863 | xfs_mod_sb(tp, XFS_SB_QFLAGS); | |
864 | ||
865 | /* | |
866 | * We have to make sure that the transaction is secure on disk before we | |
867 | * return and actually stop quota accounting. So, make it synchronous. | |
868 | * We don't care about quotoff's performance. | |
869 | */ | |
870 | xfs_trans_set_sync(tp); | |
871 | error = xfs_trans_commit(tp, 0, NULL); | |
872 | ||
873 | error0: | |
874 | if (error) { | |
875 | xfs_trans_cancel(tp, 0); | |
876 | /* | |
877 | * No one else is modifying sb_qflags, so this is OK. | |
878 | * We still hold the quotaofflock. | |
879 | */ | |
880 | s = XFS_SB_LOCK(mp); | |
881 | mp->m_sb.sb_qflags = oldsbqflag; | |
882 | XFS_SB_UNLOCK(mp, s); | |
883 | } | |
884 | *qoffstartp = qoffi; | |
885 | return (error); | |
886 | } | |
887 | ||
888 | ||
889 | /* | |
890 | * Translate an internal style on-disk-dquot to the exportable format. | |
891 | * The main differences are that the counters/limits are all in Basic | |
892 | * Blocks (BBs) instead of the internal FSBs, and all on-disk data has | |
893 | * to be converted to the native endianness. | |
894 | */ | |
895 | STATIC void | |
896 | xfs_qm_export_dquot( | |
897 | xfs_mount_t *mp, | |
898 | xfs_disk_dquot_t *src, | |
899 | struct fs_disk_quota *dst) | |
900 | { | |
901 | memset(dst, 0, sizeof(*dst)); | |
902 | dst->d_version = FS_DQUOT_VERSION; /* different from src->d_version */ | |
903 | dst->d_flags = | |
904 | xfs_qm_export_qtype_flags(INT_GET(src->d_flags, ARCH_CONVERT)); | |
905 | dst->d_id = INT_GET(src->d_id, ARCH_CONVERT); | |
906 | dst->d_blk_hardlimit = (__uint64_t) | |
907 | XFS_FSB_TO_BB(mp, INT_GET(src->d_blk_hardlimit, ARCH_CONVERT)); | |
908 | dst->d_blk_softlimit = (__uint64_t) | |
909 | XFS_FSB_TO_BB(mp, INT_GET(src->d_blk_softlimit, ARCH_CONVERT)); | |
910 | dst->d_ino_hardlimit = (__uint64_t) | |
911 | INT_GET(src->d_ino_hardlimit, ARCH_CONVERT); | |
912 | dst->d_ino_softlimit = (__uint64_t) | |
913 | INT_GET(src->d_ino_softlimit, ARCH_CONVERT); | |
914 | dst->d_bcount = (__uint64_t) | |
915 | XFS_FSB_TO_BB(mp, INT_GET(src->d_bcount, ARCH_CONVERT)); | |
916 | dst->d_icount = (__uint64_t) INT_GET(src->d_icount, ARCH_CONVERT); | |
917 | dst->d_btimer = (__uint32_t) INT_GET(src->d_btimer, ARCH_CONVERT); | |
918 | dst->d_itimer = (__uint32_t) INT_GET(src->d_itimer, ARCH_CONVERT); | |
919 | dst->d_iwarns = INT_GET(src->d_iwarns, ARCH_CONVERT); | |
920 | dst->d_bwarns = INT_GET(src->d_bwarns, ARCH_CONVERT); | |
921 | ||
922 | dst->d_rtb_hardlimit = (__uint64_t) | |
923 | XFS_FSB_TO_BB(mp, INT_GET(src->d_rtb_hardlimit, ARCH_CONVERT)); | |
924 | dst->d_rtb_softlimit = (__uint64_t) | |
925 | XFS_FSB_TO_BB(mp, INT_GET(src->d_rtb_softlimit, ARCH_CONVERT)); | |
926 | dst->d_rtbcount = (__uint64_t) | |
927 | XFS_FSB_TO_BB(mp, INT_GET(src->d_rtbcount, ARCH_CONVERT)); | |
928 | dst->d_rtbtimer = (__uint32_t) INT_GET(src->d_rtbtimer, ARCH_CONVERT); | |
929 | dst->d_rtbwarns = INT_GET(src->d_rtbwarns, ARCH_CONVERT); | |
930 | ||
931 | /* | |
932 | * Internally, we don't reset all the timers when quota enforcement | |
933 | * gets turned off. No need to confuse the userlevel code, | |
934 | * so return zeroes in that case. | |
935 | */ | |
936 | if (! XFS_IS_QUOTA_ENFORCED(mp)) { | |
937 | dst->d_btimer = 0; | |
938 | dst->d_itimer = 0; | |
939 | dst->d_rtbtimer = 0; | |
940 | } | |
941 | ||
942 | #ifdef DEBUG | |
943 | if (XFS_IS_QUOTA_ENFORCED(mp) && dst->d_id != 0) { | |
944 | if (((int) dst->d_bcount >= (int) dst->d_blk_softlimit) && | |
945 | (dst->d_blk_softlimit > 0)) { | |
946 | ASSERT(dst->d_btimer != 0); | |
947 | } | |
948 | if (((int) dst->d_icount >= (int) dst->d_ino_softlimit) && | |
949 | (dst->d_ino_softlimit > 0)) { | |
950 | ASSERT(dst->d_itimer != 0); | |
951 | } | |
952 | } | |
953 | #endif | |
954 | } | |
955 | ||
956 | STATIC uint | |
957 | xfs_qm_import_qtype_flags( | |
c8ad20ff | 958 | uint uflags) |
1da177e4 | 959 | { |
c8ad20ff NS |
960 | uint oflags = 0; |
961 | ||
1da177e4 | 962 | /* |
c8ad20ff | 963 | * Can't be more than one, or none. |
1da177e4 LT |
964 | */ |
965 | if (((uflags & (XFS_GROUP_QUOTA | XFS_USER_QUOTA)) == | |
c8ad20ff NS |
966 | (XFS_GROUP_QUOTA | XFS_USER_QUOTA)) || |
967 | ((uflags & (XFS_GROUP_QUOTA | XFS_PROJ_QUOTA)) == | |
968 | (XFS_GROUP_QUOTA | XFS_PROJ_QUOTA)) || | |
969 | ((uflags & (XFS_USER_QUOTA | XFS_PROJ_QUOTA)) == | |
970 | (XFS_USER_QUOTA | XFS_PROJ_QUOTA)) || | |
971 | ((uflags & (XFS_GROUP_QUOTA|XFS_USER_QUOTA|XFS_PROJ_QUOTA)) == 0)) | |
1da177e4 LT |
972 | return (0); |
973 | ||
c8ad20ff NS |
974 | oflags |= (uflags & XFS_USER_QUOTA) ? XFS_DQ_USER : 0; |
975 | oflags |= (uflags & XFS_PROJ_QUOTA) ? XFS_DQ_PROJ : 0; | |
976 | oflags |= (uflags & XFS_GROUP_QUOTA) ? XFS_DQ_GROUP: 0; | |
977 | return oflags; | |
1da177e4 LT |
978 | } |
979 | ||
980 | STATIC uint | |
981 | xfs_qm_export_qtype_flags( | |
982 | uint flags) | |
983 | { | |
984 | /* | |
c8ad20ff | 985 | * Can't be more than one, or none. |
1da177e4 | 986 | */ |
c8ad20ff NS |
987 | ASSERT((flags & (XFS_PROJ_QUOTA | XFS_USER_QUOTA)) != |
988 | (XFS_PROJ_QUOTA | XFS_USER_QUOTA)); | |
989 | ASSERT((flags & (XFS_PROJ_QUOTA | XFS_GROUP_QUOTA)) != | |
990 | (XFS_PROJ_QUOTA | XFS_GROUP_QUOTA)); | |
991 | ASSERT((flags & (XFS_USER_QUOTA | XFS_GROUP_QUOTA)) != | |
992 | (XFS_USER_QUOTA | XFS_GROUP_QUOTA)); | |
993 | ASSERT((flags & (XFS_PROJ_QUOTA|XFS_USER_QUOTA|XFS_GROUP_QUOTA)) != 0); | |
1da177e4 LT |
994 | |
995 | return (flags & XFS_DQ_USER) ? | |
c8ad20ff NS |
996 | XFS_USER_QUOTA : (flags & XFS_DQ_PROJ) ? |
997 | XFS_PROJ_QUOTA : XFS_GROUP_QUOTA; | |
1da177e4 LT |
998 | } |
999 | ||
1000 | STATIC uint | |
1001 | xfs_qm_import_flags( | |
1002 | uint uflags) | |
1003 | { | |
1004 | uint flags = 0; | |
1005 | ||
1006 | if (uflags & XFS_QUOTA_UDQ_ACCT) | |
1007 | flags |= XFS_UQUOTA_ACCT; | |
c8ad20ff NS |
1008 | if (uflags & XFS_QUOTA_PDQ_ACCT) |
1009 | flags |= XFS_PQUOTA_ACCT; | |
1da177e4 LT |
1010 | if (uflags & XFS_QUOTA_GDQ_ACCT) |
1011 | flags |= XFS_GQUOTA_ACCT; | |
1012 | if (uflags & XFS_QUOTA_UDQ_ENFD) | |
1013 | flags |= XFS_UQUOTA_ENFD; | |
c8ad20ff NS |
1014 | if (uflags & (XFS_QUOTA_PDQ_ENFD|XFS_QUOTA_GDQ_ENFD)) |
1015 | flags |= XFS_OQUOTA_ENFD; | |
1da177e4 LT |
1016 | return (flags); |
1017 | } | |
1018 | ||
1019 | ||
1020 | STATIC uint | |
1021 | xfs_qm_export_flags( | |
1022 | uint flags) | |
1023 | { | |
1024 | uint uflags; | |
1025 | ||
1026 | uflags = 0; | |
1027 | if (flags & XFS_UQUOTA_ACCT) | |
1028 | uflags |= XFS_QUOTA_UDQ_ACCT; | |
c8ad20ff NS |
1029 | if (flags & XFS_PQUOTA_ACCT) |
1030 | uflags |= XFS_QUOTA_PDQ_ACCT; | |
1da177e4 LT |
1031 | if (flags & XFS_GQUOTA_ACCT) |
1032 | uflags |= XFS_QUOTA_GDQ_ACCT; | |
1033 | if (flags & XFS_UQUOTA_ENFD) | |
1034 | uflags |= XFS_QUOTA_UDQ_ENFD; | |
c8ad20ff NS |
1035 | if (flags & (XFS_OQUOTA_ENFD)) { |
1036 | uflags |= (flags & XFS_GQUOTA_ACCT) ? | |
1037 | XFS_QUOTA_GDQ_ENFD : XFS_QUOTA_PDQ_ENFD; | |
1038 | } | |
1da177e4 LT |
1039 | return (uflags); |
1040 | } | |
1041 | ||
1042 | ||
1043 | /* | |
1044 | * Go thru all the inodes in the file system, releasing their dquots. | |
1045 | * Note that the mount structure gets modified to indicate that quotas are off | |
1046 | * AFTER this, in the case of quotaoff. This also gets called from | |
1047 | * xfs_rootumount. | |
1048 | */ | |
1049 | void | |
1050 | xfs_qm_dqrele_all_inodes( | |
1051 | struct xfs_mount *mp, | |
1052 | uint flags) | |
1053 | { | |
1da177e4 LT |
1054 | xfs_inode_t *ip, *topino; |
1055 | uint ireclaims; | |
1056 | vnode_t *vp; | |
1057 | boolean_t vnode_refd; | |
1058 | ||
1059 | ASSERT(mp->m_quotainfo); | |
1060 | ||
1da177e4 | 1061 | XFS_MOUNT_ILOCK(mp); |
cdb62687 | 1062 | again: |
1da177e4 LT |
1063 | ip = mp->m_inodes; |
1064 | if (ip == NULL) { | |
1065 | XFS_MOUNT_IUNLOCK(mp); | |
1066 | return; | |
1067 | } | |
1068 | do { | |
1069 | /* Skip markers inserted by xfs_sync */ | |
1070 | if (ip->i_mount == NULL) { | |
1071 | ip = ip->i_mnext; | |
1072 | continue; | |
1073 | } | |
1074 | /* Root inode, rbmip and rsumip have associated blocks */ | |
1075 | if (ip == XFS_QI_UQIP(mp) || ip == XFS_QI_GQIP(mp)) { | |
1076 | ASSERT(ip->i_udquot == NULL); | |
1077 | ASSERT(ip->i_gdquot == NULL); | |
1078 | ip = ip->i_mnext; | |
1079 | continue; | |
1080 | } | |
1081 | vp = XFS_ITOV_NULL(ip); | |
1082 | if (!vp) { | |
1083 | ASSERT(ip->i_udquot == NULL); | |
1084 | ASSERT(ip->i_gdquot == NULL); | |
1085 | ip = ip->i_mnext; | |
1086 | continue; | |
1087 | } | |
1088 | vnode_refd = B_FALSE; | |
1089 | if (xfs_ilock_nowait(ip, XFS_ILOCK_EXCL) == 0) { | |
1da177e4 LT |
1090 | ireclaims = mp->m_ireclaims; |
1091 | topino = mp->m_inodes; | |
cdb62687 CH |
1092 | vp = vn_grab(vp); |
1093 | if (!vp) | |
1094 | goto again; | |
1da177e4 | 1095 | |
cdb62687 | 1096 | XFS_MOUNT_IUNLOCK(mp); |
1da177e4 | 1097 | /* XXX restart limit ? */ |
1da177e4 LT |
1098 | xfs_ilock(ip, XFS_ILOCK_EXCL); |
1099 | vnode_refd = B_TRUE; | |
1100 | } else { | |
1101 | ireclaims = mp->m_ireclaims; | |
1102 | topino = mp->m_inodes; | |
1103 | XFS_MOUNT_IUNLOCK(mp); | |
1104 | } | |
1105 | ||
1106 | /* | |
1107 | * We don't keep the mountlock across the dqrele() call, | |
1108 | * since it can take a while.. | |
1109 | */ | |
1110 | if ((flags & XFS_UQUOTA_ACCT) && ip->i_udquot) { | |
1111 | xfs_qm_dqrele(ip->i_udquot); | |
1112 | ip->i_udquot = NULL; | |
1113 | } | |
c8ad20ff | 1114 | if (flags & (XFS_PQUOTA_ACCT|XFS_GQUOTA_ACCT) && ip->i_gdquot) { |
1da177e4 LT |
1115 | xfs_qm_dqrele(ip->i_gdquot); |
1116 | ip->i_gdquot = NULL; | |
1117 | } | |
1118 | xfs_iunlock(ip, XFS_ILOCK_EXCL); | |
1119 | /* | |
1120 | * Wait until we've dropped the ilock and mountlock to | |
1121 | * do the vn_rele. Or be condemned to an eternity in the | |
1122 | * inactive code in hell. | |
1123 | */ | |
1124 | if (vnode_refd) | |
1125 | VN_RELE(vp); | |
1126 | XFS_MOUNT_ILOCK(mp); | |
1127 | /* | |
1128 | * If an inode was inserted or removed, we gotta | |
1129 | * start over again. | |
1130 | */ | |
1131 | if (topino != mp->m_inodes || mp->m_ireclaims != ireclaims) { | |
1132 | /* XXX use a sentinel */ | |
1da177e4 LT |
1133 | goto again; |
1134 | } | |
1135 | ip = ip->i_mnext; | |
1136 | } while (ip != mp->m_inodes); | |
1137 | ||
1138 | XFS_MOUNT_IUNLOCK(mp); | |
1139 | } | |
1140 | ||
1141 | /*------------------------------------------------------------------------*/ | |
1142 | #ifdef DEBUG | |
1143 | /* | |
1144 | * This contains all the test functions for XFS disk quotas. | |
1145 | * Currently it does a quota accounting check. ie. it walks through | |
1146 | * all inodes in the file system, calculating the dquot accounting fields, | |
1147 | * and prints out any inconsistencies. | |
1148 | */ | |
1149 | xfs_dqhash_t *qmtest_udqtab; | |
1150 | xfs_dqhash_t *qmtest_gdqtab; | |
1151 | int qmtest_hashmask; | |
1152 | int qmtest_nfails; | |
1153 | mutex_t qcheck_lock; | |
1154 | ||
1155 | #define DQTEST_HASHVAL(mp, id) (((__psunsigned_t)(mp) + \ | |
1156 | (__psunsigned_t)(id)) & \ | |
1157 | (qmtest_hashmask - 1)) | |
1158 | ||
1159 | #define DQTEST_HASH(mp, id, type) ((type & XFS_DQ_USER) ? \ | |
1160 | (qmtest_udqtab + \ | |
1161 | DQTEST_HASHVAL(mp, id)) : \ | |
1162 | (qmtest_gdqtab + \ | |
1163 | DQTEST_HASHVAL(mp, id))) | |
1164 | ||
1165 | #define DQTEST_LIST_PRINT(l, NXT, title) \ | |
1166 | { \ | |
1167 | xfs_dqtest_t *dqp; int i = 0;\ | |
1168 | cmn_err(CE_DEBUG, "%s (#%d)", title, (int) (l)->qh_nelems); \ | |
1169 | for (dqp = (xfs_dqtest_t *)(l)->qh_next; dqp != NULL; \ | |
1170 | dqp = (xfs_dqtest_t *)dqp->NXT) { \ | |
1171 | cmn_err(CE_DEBUG, " %d. \"%d (%s)\" bcnt = %d, icnt = %d", \ | |
1172 | ++i, dqp->d_id, DQFLAGTO_TYPESTR(dqp), \ | |
1173 | dqp->d_bcount, dqp->d_icount); } \ | |
1174 | } | |
1175 | ||
1176 | typedef struct dqtest { | |
1177 | xfs_dqmarker_t q_lists; | |
1178 | xfs_dqhash_t *q_hash; /* the hashchain header */ | |
1179 | xfs_mount_t *q_mount; /* filesystem this relates to */ | |
1180 | xfs_dqid_t d_id; /* user id or group id */ | |
1181 | xfs_qcnt_t d_bcount; /* # disk blocks owned by the user */ | |
1182 | xfs_qcnt_t d_icount; /* # inodes owned by the user */ | |
1183 | } xfs_dqtest_t; | |
1184 | ||
1185 | STATIC void | |
1186 | xfs_qm_hashinsert(xfs_dqhash_t *h, xfs_dqtest_t *dqp) | |
1187 | { | |
1188 | xfs_dquot_t *d; | |
1189 | if (((d) = (h)->qh_next)) | |
1190 | (d)->HL_PREVP = &((dqp)->HL_NEXT); | |
1191 | (dqp)->HL_NEXT = d; | |
1192 | (dqp)->HL_PREVP = &((h)->qh_next); | |
1193 | (h)->qh_next = (xfs_dquot_t *)dqp; | |
1194 | (h)->qh_version++; | |
1195 | (h)->qh_nelems++; | |
1196 | } | |
1197 | STATIC void | |
1198 | xfs_qm_dqtest_print( | |
1199 | xfs_dqtest_t *d) | |
1200 | { | |
1201 | cmn_err(CE_DEBUG, "-----------DQTEST DQUOT----------------"); | |
1202 | cmn_err(CE_DEBUG, "---- dquot ID = %d", d->d_id); | |
1da177e4 LT |
1203 | cmn_err(CE_DEBUG, "---- fs = 0x%p", d->q_mount); |
1204 | cmn_err(CE_DEBUG, "---- bcount = %Lu (0x%x)", | |
1205 | d->d_bcount, (int)d->d_bcount); | |
1206 | cmn_err(CE_DEBUG, "---- icount = %Lu (0x%x)", | |
1207 | d->d_icount, (int)d->d_icount); | |
1208 | cmn_err(CE_DEBUG, "---------------------------"); | |
1209 | } | |
1210 | ||
1211 | STATIC void | |
1212 | xfs_qm_dqtest_failed( | |
1213 | xfs_dqtest_t *d, | |
1214 | xfs_dquot_t *dqp, | |
1215 | char *reason, | |
1216 | xfs_qcnt_t a, | |
1217 | xfs_qcnt_t b, | |
1218 | int error) | |
1219 | { | |
1220 | qmtest_nfails++; | |
1221 | if (error) | |
1222 | cmn_err(CE_DEBUG, "quotacheck failed id=%d, err=%d\nreason: %s", | |
1223 | INT_GET(d->d_id, ARCH_CONVERT), error, reason); | |
1224 | else | |
1225 | cmn_err(CE_DEBUG, "quotacheck failed id=%d (%s) [%d != %d]", | |
1226 | INT_GET(d->d_id, ARCH_CONVERT), reason, (int)a, (int)b); | |
1227 | xfs_qm_dqtest_print(d); | |
1228 | if (dqp) | |
1229 | xfs_qm_dqprint(dqp); | |
1230 | } | |
1231 | ||
1232 | STATIC int | |
1233 | xfs_dqtest_cmp2( | |
1234 | xfs_dqtest_t *d, | |
1235 | xfs_dquot_t *dqp) | |
1236 | { | |
1237 | int err = 0; | |
1238 | if (INT_GET(dqp->q_core.d_icount, ARCH_CONVERT) != d->d_icount) { | |
1239 | xfs_qm_dqtest_failed(d, dqp, "icount mismatch", | |
1240 | INT_GET(dqp->q_core.d_icount, ARCH_CONVERT), | |
1241 | d->d_icount, 0); | |
1242 | err++; | |
1243 | } | |
1244 | if (INT_GET(dqp->q_core.d_bcount, ARCH_CONVERT) != d->d_bcount) { | |
1245 | xfs_qm_dqtest_failed(d, dqp, "bcount mismatch", | |
1246 | INT_GET(dqp->q_core.d_bcount, ARCH_CONVERT), | |
1247 | d->d_bcount, 0); | |
1248 | err++; | |
1249 | } | |
1250 | if (INT_GET(dqp->q_core.d_blk_softlimit, ARCH_CONVERT) && | |
1251 | INT_GET(dqp->q_core.d_bcount, ARCH_CONVERT) >= | |
1252 | INT_GET(dqp->q_core.d_blk_softlimit, ARCH_CONVERT)) { | |
1253 | if (!dqp->q_core.d_btimer && dqp->q_core.d_id) { | |
1254 | cmn_err(CE_DEBUG, | |
1255 | "%d [%s] [0x%p] BLK TIMER NOT STARTED", | |
1256 | d->d_id, DQFLAGTO_TYPESTR(d), d->q_mount); | |
1257 | err++; | |
1258 | } | |
1259 | } | |
1260 | if (INT_GET(dqp->q_core.d_ino_softlimit, ARCH_CONVERT) && | |
1261 | INT_GET(dqp->q_core.d_icount, ARCH_CONVERT) >= | |
1262 | INT_GET(dqp->q_core.d_ino_softlimit, ARCH_CONVERT)) { | |
1263 | if (!dqp->q_core.d_itimer && dqp->q_core.d_id) { | |
1264 | cmn_err(CE_DEBUG, | |
1265 | "%d [%s] [0x%p] INO TIMER NOT STARTED", | |
1266 | d->d_id, DQFLAGTO_TYPESTR(d), d->q_mount); | |
1267 | err++; | |
1268 | } | |
1269 | } | |
1270 | #ifdef QUOTADEBUG | |
1271 | if (!err) { | |
1272 | cmn_err(CE_DEBUG, "%d [%s] [0x%p] qchecked", | |
c8ad20ff | 1273 | d->d_id, DQFLAGTO_TYPESTR(d), d->q_mount); |
1da177e4 LT |
1274 | } |
1275 | #endif | |
1276 | return (err); | |
1277 | } | |
1278 | ||
1279 | STATIC void | |
1280 | xfs_dqtest_cmp( | |
1281 | xfs_dqtest_t *d) | |
1282 | { | |
1283 | xfs_dquot_t *dqp; | |
1284 | int error; | |
1285 | ||
1286 | /* xfs_qm_dqtest_print(d); */ | |
1287 | if ((error = xfs_qm_dqget(d->q_mount, NULL, d->d_id, d->dq_flags, 0, | |
1288 | &dqp))) { | |
1289 | xfs_qm_dqtest_failed(d, NULL, "dqget failed", 0, 0, error); | |
1290 | return; | |
1291 | } | |
1292 | xfs_dqtest_cmp2(d, dqp); | |
1293 | xfs_qm_dqput(dqp); | |
1294 | } | |
1295 | ||
1296 | STATIC int | |
1297 | xfs_qm_internalqcheck_dqget( | |
1298 | xfs_mount_t *mp, | |
1299 | xfs_dqid_t id, | |
1300 | uint type, | |
1301 | xfs_dqtest_t **O_dq) | |
1302 | { | |
1303 | xfs_dqtest_t *d; | |
1304 | xfs_dqhash_t *h; | |
1305 | ||
1306 | h = DQTEST_HASH(mp, id, type); | |
1307 | for (d = (xfs_dqtest_t *) h->qh_next; d != NULL; | |
1308 | d = (xfs_dqtest_t *) d->HL_NEXT) { | |
1309 | /* DQTEST_LIST_PRINT(h, HL_NEXT, "@@@@@ dqtestlist @@@@@"); */ | |
1310 | if (d->d_id == id && mp == d->q_mount) { | |
1311 | *O_dq = d; | |
1312 | return (0); | |
1313 | } | |
1314 | } | |
1315 | d = kmem_zalloc(sizeof(xfs_dqtest_t), KM_SLEEP); | |
1316 | d->dq_flags = type; | |
1317 | d->d_id = id; | |
1318 | d->q_mount = mp; | |
1319 | d->q_hash = h; | |
1320 | xfs_qm_hashinsert(h, d); | |
1321 | *O_dq = d; | |
1322 | return (0); | |
1323 | } | |
1324 | ||
1325 | STATIC void | |
1326 | xfs_qm_internalqcheck_get_dquots( | |
1327 | xfs_mount_t *mp, | |
1328 | xfs_dqid_t uid, | |
c8ad20ff | 1329 | xfs_dqid_t projid, |
1da177e4 LT |
1330 | xfs_dqid_t gid, |
1331 | xfs_dqtest_t **ud, | |
1332 | xfs_dqtest_t **gd) | |
1333 | { | |
1334 | if (XFS_IS_UQUOTA_ON(mp)) | |
1335 | xfs_qm_internalqcheck_dqget(mp, uid, XFS_DQ_USER, ud); | |
1336 | if (XFS_IS_GQUOTA_ON(mp)) | |
1337 | xfs_qm_internalqcheck_dqget(mp, gid, XFS_DQ_GROUP, gd); | |
c8ad20ff NS |
1338 | else if (XFS_IS_PQUOTA_ON(mp)) |
1339 | xfs_qm_internalqcheck_dqget(mp, projid, XFS_DQ_PROJ, gd); | |
1da177e4 LT |
1340 | } |
1341 | ||
1342 | ||
1343 | STATIC void | |
1344 | xfs_qm_internalqcheck_dqadjust( | |
1345 | xfs_inode_t *ip, | |
1346 | xfs_dqtest_t *d) | |
1347 | { | |
1348 | d->d_icount++; | |
1349 | d->d_bcount += (xfs_qcnt_t)ip->i_d.di_nblocks; | |
1350 | } | |
1351 | ||
1352 | STATIC int | |
1353 | xfs_qm_internalqcheck_adjust( | |
1354 | xfs_mount_t *mp, /* mount point for filesystem */ | |
1355 | xfs_ino_t ino, /* inode number to get data for */ | |
1356 | void __user *buffer, /* not used */ | |
1357 | int ubsize, /* not used */ | |
1358 | void *private_data, /* not used */ | |
1359 | xfs_daddr_t bno, /* starting block of inode cluster */ | |
1360 | int *ubused, /* not used */ | |
1361 | void *dip, /* not used */ | |
1362 | int *res) /* bulkstat result code */ | |
1363 | { | |
1364 | xfs_inode_t *ip; | |
1365 | xfs_dqtest_t *ud, *gd; | |
1366 | uint lock_flags; | |
1367 | boolean_t ipreleased; | |
1368 | int error; | |
1369 | ||
1370 | ASSERT(XFS_IS_QUOTA_RUNNING(mp)); | |
1371 | ||
1372 | if (ino == mp->m_sb.sb_uquotino || ino == mp->m_sb.sb_gquotino) { | |
1373 | *res = BULKSTAT_RV_NOTHING; | |
1374 | qdprintk("internalqcheck: ino=%llu, uqino=%llu, gqino=%llu\n", | |
1375 | (unsigned long long) ino, | |
1376 | (unsigned long long) mp->m_sb.sb_uquotino, | |
1377 | (unsigned long long) mp->m_sb.sb_gquotino); | |
1378 | return XFS_ERROR(EINVAL); | |
1379 | } | |
1380 | ipreleased = B_FALSE; | |
1381 | again: | |
1382 | lock_flags = XFS_ILOCK_SHARED; | |
1383 | if ((error = xfs_iget(mp, NULL, ino, 0, lock_flags, &ip, bno))) { | |
1384 | *res = BULKSTAT_RV_NOTHING; | |
1385 | return (error); | |
1386 | } | |
1387 | ||
1388 | if (ip->i_d.di_mode == 0) { | |
1389 | xfs_iput_new(ip, lock_flags); | |
1390 | *res = BULKSTAT_RV_NOTHING; | |
1391 | return XFS_ERROR(ENOENT); | |
1392 | } | |
1393 | ||
1394 | /* | |
1395 | * This inode can have blocks after eof which can get released | |
1396 | * when we send it to inactive. Since we don't check the dquot | |
1397 | * until the after all our calculations are done, we must get rid | |
1398 | * of those now. | |
1399 | */ | |
1400 | if (! ipreleased) { | |
1401 | xfs_iput(ip, lock_flags); | |
1402 | ipreleased = B_TRUE; | |
1403 | goto again; | |
1404 | } | |
1405 | xfs_qm_internalqcheck_get_dquots(mp, | |
1406 | (xfs_dqid_t) ip->i_d.di_uid, | |
c8ad20ff | 1407 | (xfs_dqid_t) ip->i_d.di_projid, |
1da177e4 LT |
1408 | (xfs_dqid_t) ip->i_d.di_gid, |
1409 | &ud, &gd); | |
1410 | if (XFS_IS_UQUOTA_ON(mp)) { | |
1411 | ASSERT(ud); | |
1412 | xfs_qm_internalqcheck_dqadjust(ip, ud); | |
1413 | } | |
c8ad20ff | 1414 | if (XFS_IS_OQUOTA_ON(mp)) { |
1da177e4 LT |
1415 | ASSERT(gd); |
1416 | xfs_qm_internalqcheck_dqadjust(ip, gd); | |
1417 | } | |
1418 | xfs_iput(ip, lock_flags); | |
1419 | *res = BULKSTAT_RV_DIDONE; | |
1420 | return (0); | |
1421 | } | |
1422 | ||
1423 | ||
1424 | /* PRIVATE, debugging */ | |
1425 | int | |
1426 | xfs_qm_internalqcheck( | |
1427 | xfs_mount_t *mp) | |
1428 | { | |
1429 | xfs_ino_t lastino; | |
1430 | int done, count; | |
1431 | int i; | |
1432 | xfs_dqtest_t *d, *e; | |
1433 | xfs_dqhash_t *h1; | |
1434 | int error; | |
1435 | ||
1436 | lastino = 0; | |
1437 | qmtest_hashmask = 32; | |
1438 | count = 5; | |
1439 | done = 0; | |
1440 | qmtest_nfails = 0; | |
1441 | ||
1442 | if (! XFS_IS_QUOTA_ON(mp)) | |
1443 | return XFS_ERROR(ESRCH); | |
1444 | ||
1445 | xfs_log_force(mp, (xfs_lsn_t)0, XFS_LOG_FORCE | XFS_LOG_SYNC); | |
1446 | XFS_bflush(mp->m_ddev_targp); | |
1447 | xfs_log_force(mp, (xfs_lsn_t)0, XFS_LOG_FORCE | XFS_LOG_SYNC); | |
1448 | XFS_bflush(mp->m_ddev_targp); | |
1449 | ||
1450 | mutex_lock(&qcheck_lock, PINOD); | |
1451 | /* There should be absolutely no quota activity while this | |
1452 | is going on. */ | |
1453 | qmtest_udqtab = kmem_zalloc(qmtest_hashmask * | |
1454 | sizeof(xfs_dqhash_t), KM_SLEEP); | |
1455 | qmtest_gdqtab = kmem_zalloc(qmtest_hashmask * | |
1456 | sizeof(xfs_dqhash_t), KM_SLEEP); | |
1457 | do { | |
1458 | /* | |
1459 | * Iterate thru all the inodes in the file system, | |
1460 | * adjusting the corresponding dquot counters | |
1461 | */ | |
1462 | if ((error = xfs_bulkstat(mp, &lastino, &count, | |
1463 | xfs_qm_internalqcheck_adjust, NULL, | |
1464 | 0, NULL, BULKSTAT_FG_IGET, &done))) { | |
1465 | break; | |
1466 | } | |
1467 | } while (! done); | |
1468 | if (error) { | |
1469 | cmn_err(CE_DEBUG, "Bulkstat returned error 0x%x", error); | |
1470 | } | |
1471 | cmn_err(CE_DEBUG, "Checking results against system dquots"); | |
1472 | for (i = 0; i < qmtest_hashmask; i++) { | |
1473 | h1 = &qmtest_udqtab[i]; | |
1474 | for (d = (xfs_dqtest_t *) h1->qh_next; d != NULL; ) { | |
1475 | xfs_dqtest_cmp(d); | |
1476 | e = (xfs_dqtest_t *) d->HL_NEXT; | |
1477 | kmem_free(d, sizeof(xfs_dqtest_t)); | |
1478 | d = e; | |
1479 | } | |
1480 | h1 = &qmtest_gdqtab[i]; | |
1481 | for (d = (xfs_dqtest_t *) h1->qh_next; d != NULL; ) { | |
1482 | xfs_dqtest_cmp(d); | |
1483 | e = (xfs_dqtest_t *) d->HL_NEXT; | |
1484 | kmem_free(d, sizeof(xfs_dqtest_t)); | |
1485 | d = e; | |
1486 | } | |
1487 | } | |
1488 | ||
1489 | if (qmtest_nfails) { | |
1490 | cmn_err(CE_DEBUG, "******** quotacheck failed ********"); | |
1491 | cmn_err(CE_DEBUG, "failures = %d", qmtest_nfails); | |
1492 | } else { | |
1493 | cmn_err(CE_DEBUG, "******** quotacheck successful! ********"); | |
1494 | } | |
1495 | kmem_free(qmtest_udqtab, qmtest_hashmask * sizeof(xfs_dqhash_t)); | |
1496 | kmem_free(qmtest_gdqtab, qmtest_hashmask * sizeof(xfs_dqhash_t)); | |
1497 | mutex_unlock(&qcheck_lock); | |
1498 | return (qmtest_nfails); | |
1499 | } | |
1500 | ||
1501 | #endif /* DEBUG */ |