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1da177e4 LT |
1 | /* |
2 | * Copyright (c) 2000-2003 Silicon Graphics, Inc. All Rights Reserved. | |
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" | |
35 | #include "xfs_inum.h" | |
36 | #include "xfs_log.h" | |
37 | #include "xfs_trans.h" | |
38 | #include "xfs_sb.h" | |
39 | #include "xfs_dir.h" | |
40 | #include "xfs_dir2.h" | |
41 | #include "xfs_alloc.h" | |
42 | #include "xfs_dmapi.h" | |
43 | #include "xfs_quota.h" | |
44 | #include "xfs_mount.h" | |
45 | #include "xfs_alloc_btree.h" | |
46 | #include "xfs_bmap_btree.h" | |
47 | #include "xfs_ialloc_btree.h" | |
48 | #include "xfs_btree.h" | |
49 | #include "xfs_ialloc.h" | |
50 | #include "xfs_attr_sf.h" | |
51 | #include "xfs_dir_sf.h" | |
52 | #include "xfs_dir2_sf.h" | |
53 | #include "xfs_dinode.h" | |
54 | #include "xfs_inode.h" | |
55 | #include "xfs_bmap.h" | |
56 | #include "xfs_bit.h" | |
57 | #include "xfs_rtalloc.h" | |
58 | #include "xfs_error.h" | |
59 | #include "xfs_itable.h" | |
60 | #include "xfs_rw.h" | |
61 | #include "xfs_acl.h" | |
62 | #include "xfs_cap.h" | |
63 | #include "xfs_mac.h" | |
64 | #include "xfs_attr.h" | |
65 | #include "xfs_buf_item.h" | |
66 | #include "xfs_utils.h" | |
67 | ||
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 | ||
112 | if (addr == NULL && cmd != Q_SYNC) | |
113 | return XFS_ERROR(EINVAL); | |
114 | if (id < 0 && cmd != Q_SYNC) | |
115 | return XFS_ERROR(EINVAL); | |
116 | ||
117 | /* | |
118 | * The following commands are valid even when quotaoff. | |
119 | */ | |
120 | switch (cmd) { | |
c8ad20ff | 121 | case Q_XQUOTARM: |
1da177e4 | 122 | /* |
c8ad20ff | 123 | * Truncate quota files. quota must be off. |
1da177e4 | 124 | */ |
1da177e4 LT |
125 | if (XFS_IS_QUOTA_ON(mp) || addr == NULL) |
126 | return XFS_ERROR(EINVAL); | |
127 | if (vfsp->vfs_flag & VFS_RDONLY) | |
128 | return XFS_ERROR(EROFS); | |
129 | return (xfs_qm_scall_trunc_qfiles(mp, | |
130 | xfs_qm_import_qtype_flags(*(uint *)addr))); | |
c8ad20ff NS |
131 | |
132 | case Q_XGETQSTAT: | |
1da177e4 LT |
133 | /* |
134 | * Get quota status information. | |
135 | */ | |
1da177e4 LT |
136 | return (xfs_qm_scall_getqstat(mp, (fs_quota_stat_t *)addr)); |
137 | ||
c8ad20ff | 138 | case Q_XQUOTAON: |
1da177e4 | 139 | /* |
c8ad20ff NS |
140 | * QUOTAON - enabling quota enforcement. |
141 | * Quota accounting must be turned on at mount time. | |
1da177e4 | 142 | */ |
1da177e4 LT |
143 | if (addr == NULL) |
144 | return XFS_ERROR(EINVAL); | |
145 | if (vfsp->vfs_flag & VFS_RDONLY) | |
146 | return XFS_ERROR(EROFS); | |
147 | return (xfs_qm_scall_quotaon(mp, | |
148 | xfs_qm_import_flags(*(uint *)addr))); | |
c8ad20ff NS |
149 | |
150 | case Q_XQUOTAOFF: | |
1da177e4 LT |
151 | if (vfsp->vfs_flag & VFS_RDONLY) |
152 | return XFS_ERROR(EROFS); | |
153 | break; | |
154 | ||
c8ad20ff | 155 | default: |
1da177e4 LT |
156 | break; |
157 | } | |
158 | ||
159 | if (! XFS_IS_QUOTA_ON(mp)) | |
160 | return XFS_ERROR(ESRCH); | |
161 | ||
162 | switch (cmd) { | |
c8ad20ff | 163 | case Q_XQUOTAOFF: |
1da177e4 LT |
164 | if (vfsp->vfs_flag & VFS_RDONLY) |
165 | return XFS_ERROR(EROFS); | |
166 | error = xfs_qm_scall_quotaoff(mp, | |
167 | xfs_qm_import_flags(*(uint *)addr), | |
168 | B_FALSE); | |
169 | break; | |
170 | ||
c8ad20ff | 171 | case Q_XGETQUOTA: |
1da177e4 LT |
172 | error = xfs_qm_scall_getquota(mp, (xfs_dqid_t)id, XFS_DQ_USER, |
173 | (fs_disk_quota_t *)addr); | |
174 | break; | |
c8ad20ff NS |
175 | case Q_XGETGQUOTA: |
176 | error = xfs_qm_scall_getquota(mp, (xfs_dqid_t)id, XFS_DQ_GROUP, | |
177 | (fs_disk_quota_t *)addr); | |
178 | break; | |
179 | case Q_XGETPQUOTA: | |
180 | error = xfs_qm_scall_getquota(mp, (xfs_dqid_t)id, XFS_DQ_PROJ, | |
181 | (fs_disk_quota_t *)addr); | |
182 | break; | |
183 | ||
184 | case Q_XSETQLIM: | |
1da177e4 LT |
185 | if (vfsp->vfs_flag & VFS_RDONLY) |
186 | return XFS_ERROR(EROFS); | |
187 | error = xfs_qm_scall_setqlim(mp, (xfs_dqid_t)id, XFS_DQ_USER, | |
188 | (fs_disk_quota_t *)addr); | |
189 | break; | |
c8ad20ff | 190 | case Q_XSETGQLIM: |
1da177e4 LT |
191 | if (vfsp->vfs_flag & VFS_RDONLY) |
192 | return XFS_ERROR(EROFS); | |
193 | error = xfs_qm_scall_setqlim(mp, (xfs_dqid_t)id, XFS_DQ_GROUP, | |
194 | (fs_disk_quota_t *)addr); | |
195 | break; | |
c8ad20ff NS |
196 | case Q_XSETPQLIM: |
197 | if (vfsp->vfs_flag & VFS_RDONLY) | |
198 | return XFS_ERROR(EROFS); | |
199 | error = xfs_qm_scall_setqlim(mp, (xfs_dqid_t)id, XFS_DQ_PROJ, | |
200 | (fs_disk_quota_t *)addr); | |
1da177e4 LT |
201 | break; |
202 | ||
c8ad20ff | 203 | default: |
1da177e4 LT |
204 | error = XFS_ERROR(EINVAL); |
205 | break; | |
206 | } | |
207 | ||
208 | return (error); | |
209 | } | |
210 | ||
211 | /* | |
212 | * Turn off quota accounting and/or enforcement for all udquots and/or | |
213 | * gdquots. Called only at unmount time. | |
214 | * | |
215 | * This assumes that there are no dquots of this file system cached | |
216 | * incore, and modifies the ondisk dquot directly. Therefore, for example, | |
217 | * it is an error to call this twice, without purging the cache. | |
218 | */ | |
219 | STATIC int | |
220 | xfs_qm_scall_quotaoff( | |
221 | xfs_mount_t *mp, | |
222 | uint flags, | |
223 | boolean_t force) | |
224 | { | |
225 | uint dqtype; | |
226 | unsigned long s; | |
227 | int error; | |
228 | uint inactivate_flags; | |
229 | xfs_qoff_logitem_t *qoffstart; | |
230 | int nculprits; | |
231 | ||
232 | if (!force && !capable(CAP_SYS_ADMIN)) | |
233 | return XFS_ERROR(EPERM); | |
234 | /* | |
235 | * No file system can have quotas enabled on disk but not in core. | |
236 | * Note that quota utilities (like quotaoff) _expect_ | |
237 | * errno == EEXIST here. | |
238 | */ | |
239 | if ((mp->m_qflags & flags) == 0) | |
240 | return XFS_ERROR(EEXIST); | |
241 | error = 0; | |
242 | ||
243 | flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD); | |
244 | ||
245 | /* | |
246 | * We don't want to deal with two quotaoffs messing up each other, | |
247 | * so we're going to serialize it. quotaoff isn't exactly a performance | |
248 | * critical thing. | |
249 | * If quotaoff, then we must be dealing with the root filesystem. | |
250 | */ | |
251 | ASSERT(mp->m_quotainfo); | |
252 | if (mp->m_quotainfo) | |
253 | mutex_lock(&(XFS_QI_QOFFLOCK(mp)), PINOD); | |
254 | ||
255 | ASSERT(mp->m_quotainfo); | |
256 | ||
257 | /* | |
258 | * If we're just turning off quota enforcement, change mp and go. | |
259 | */ | |
260 | if ((flags & XFS_ALL_QUOTA_ACCT) == 0) { | |
261 | mp->m_qflags &= ~(flags); | |
262 | ||
263 | s = XFS_SB_LOCK(mp); | |
264 | mp->m_sb.sb_qflags = mp->m_qflags; | |
265 | XFS_SB_UNLOCK(mp, s); | |
266 | mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); | |
267 | ||
268 | /* XXX what to do if error ? Revert back to old vals incore ? */ | |
269 | error = xfs_qm_write_sb_changes(mp, XFS_SB_QFLAGS); | |
270 | return (error); | |
271 | } | |
272 | ||
273 | dqtype = 0; | |
274 | inactivate_flags = 0; | |
275 | /* | |
276 | * If accounting is off, we must turn enforcement off, clear the | |
277 | * quota 'CHKD' certificate to make it known that we have to | |
278 | * do a quotacheck the next time this quota is turned on. | |
279 | */ | |
280 | if (flags & XFS_UQUOTA_ACCT) { | |
281 | dqtype |= XFS_QMOPT_UQUOTA; | |
282 | flags |= (XFS_UQUOTA_CHKD | XFS_UQUOTA_ENFD); | |
283 | inactivate_flags |= XFS_UQUOTA_ACTIVE; | |
284 | } | |
285 | if (flags & XFS_GQUOTA_ACCT) { | |
286 | dqtype |= XFS_QMOPT_GQUOTA; | |
c8ad20ff | 287 | flags |= (XFS_OQUOTA_CHKD | XFS_OQUOTA_ENFD); |
1da177e4 | 288 | inactivate_flags |= XFS_GQUOTA_ACTIVE; |
c8ad20ff NS |
289 | } else if (flags & XFS_PQUOTA_ACCT) { |
290 | dqtype |= XFS_QMOPT_PQUOTA; | |
291 | flags |= (XFS_OQUOTA_CHKD | XFS_OQUOTA_ENFD); | |
292 | inactivate_flags |= XFS_PQUOTA_ACTIVE; | |
1da177e4 LT |
293 | } |
294 | ||
295 | /* | |
296 | * Nothing to do? Don't complain. This happens when we're just | |
297 | * turning off quota enforcement. | |
298 | */ | |
299 | if ((mp->m_qflags & flags) == 0) { | |
300 | mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); | |
301 | return (0); | |
302 | } | |
303 | ||
304 | /* | |
305 | * Write the LI_QUOTAOFF log record, and do SB changes atomically, | |
306 | * and synchronously. | |
307 | */ | |
308 | xfs_qm_log_quotaoff(mp, &qoffstart, flags); | |
309 | ||
310 | /* | |
311 | * Next we clear the XFS_MOUNT_*DQ_ACTIVE bit(s) in the mount struct | |
312 | * to take care of the race between dqget and quotaoff. We don't take | |
313 | * any special locks to reset these bits. All processes need to check | |
314 | * these bits *after* taking inode lock(s) to see if the particular | |
315 | * quota type is in the process of being turned off. If *ACTIVE, it is | |
316 | * guaranteed that all dquot structures and all quotainode ptrs will all | |
317 | * stay valid as long as that inode is kept locked. | |
318 | * | |
319 | * There is no turning back after this. | |
320 | */ | |
321 | mp->m_qflags &= ~inactivate_flags; | |
322 | ||
323 | /* | |
324 | * Give back all the dquot reference(s) held by inodes. | |
325 | * Here we go thru every single incore inode in this file system, and | |
326 | * do a dqrele on the i_udquot/i_gdquot that it may have. | |
327 | * Essentially, as long as somebody has an inode locked, this guarantees | |
328 | * that quotas will not be turned off. This is handy because in a | |
329 | * transaction once we lock the inode(s) and check for quotaon, we can | |
330 | * depend on the quota inodes (and other things) being valid as long as | |
331 | * we keep the lock(s). | |
332 | */ | |
333 | xfs_qm_dqrele_all_inodes(mp, flags); | |
334 | ||
335 | /* | |
336 | * Next we make the changes in the quota flag in the mount struct. | |
337 | * This isn't protected by a particular lock directly, because we | |
338 | * don't want to take a mrlock everytime we depend on quotas being on. | |
339 | */ | |
340 | mp->m_qflags &= ~(flags); | |
341 | ||
342 | /* | |
343 | * Go through all the dquots of this file system and purge them, | |
344 | * according to what was turned off. We may not be able to get rid | |
345 | * of all dquots, because dquots can have temporary references that | |
346 | * are not attached to inodes. eg. xfs_setattr, xfs_create. | |
347 | * So, if we couldn't purge all the dquots from the filesystem, | |
348 | * we can't get rid of the incore data structures. | |
349 | */ | |
350 | while ((nculprits = xfs_qm_dqpurge_all(mp, dqtype|XFS_QMOPT_QUOTAOFF))) | |
351 | delay(10 * nculprits); | |
352 | ||
353 | /* | |
354 | * Transactions that had started before ACTIVE state bit was cleared | |
355 | * could have logged many dquots, so they'd have higher LSNs than | |
356 | * the first QUOTAOFF log record does. If we happen to crash when | |
357 | * the tail of the log has gone past the QUOTAOFF record, but | |
358 | * before the last dquot modification, those dquots __will__ | |
359 | * recover, and that's not good. | |
360 | * | |
361 | * So, we have QUOTAOFF start and end logitems; the start | |
362 | * logitem won't get overwritten until the end logitem appears... | |
363 | */ | |
364 | xfs_qm_log_quotaoff_end(mp, qoffstart, flags); | |
365 | ||
366 | /* | |
367 | * If quotas is completely disabled, close shop. | |
368 | */ | |
c8ad20ff NS |
369 | if (((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_SET1) || |
370 | ((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_SET2)) { | |
1da177e4 LT |
371 | mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); |
372 | xfs_qm_destroy_quotainfo(mp); | |
373 | return (0); | |
374 | } | |
375 | ||
376 | /* | |
377 | * Release our quotainode references, and vn_purge them, | |
378 | * if we don't need them anymore. | |
379 | */ | |
380 | if ((dqtype & XFS_QMOPT_UQUOTA) && XFS_QI_UQIP(mp)) { | |
381 | XFS_PURGE_INODE(XFS_QI_UQIP(mp)); | |
382 | XFS_QI_UQIP(mp) = NULL; | |
383 | } | |
c8ad20ff | 384 | if ((dqtype & (XFS_QMOPT_GQUOTA|XFS_QMOPT_PQUOTA)) && XFS_QI_GQIP(mp)) { |
1da177e4 LT |
385 | XFS_PURGE_INODE(XFS_QI_GQIP(mp)); |
386 | XFS_QI_GQIP(mp) = NULL; | |
387 | } | |
388 | mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); | |
389 | ||
390 | return (error); | |
391 | } | |
392 | ||
393 | STATIC int | |
394 | xfs_qm_scall_trunc_qfiles( | |
395 | xfs_mount_t *mp, | |
396 | uint flags) | |
397 | { | |
398 | int error; | |
399 | xfs_inode_t *qip; | |
400 | ||
401 | if (!capable(CAP_SYS_ADMIN)) | |
402 | return XFS_ERROR(EPERM); | |
403 | error = 0; | |
404 | if (!XFS_SB_VERSION_HASQUOTA(&mp->m_sb) || flags == 0) { | |
405 | qdprintk("qtrunc flags=%x m_qflags=%x\n", flags, mp->m_qflags); | |
406 | return XFS_ERROR(EINVAL); | |
407 | } | |
408 | ||
409 | if ((flags & XFS_DQ_USER) && mp->m_sb.sb_uquotino != NULLFSINO) { | |
410 | error = xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, 0, 0, &qip, 0); | |
411 | if (! error) { | |
412 | (void) xfs_truncate_file(mp, qip); | |
413 | VN_RELE(XFS_ITOV(qip)); | |
414 | } | |
415 | } | |
416 | ||
c8ad20ff NS |
417 | if ((flags & (XFS_DQ_GROUP|XFS_DQ_PROJ)) && |
418 | mp->m_sb.sb_gquotino != NULLFSINO) { | |
1da177e4 LT |
419 | error = xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, 0, 0, &qip, 0); |
420 | if (! error) { | |
421 | (void) xfs_truncate_file(mp, qip); | |
422 | VN_RELE(XFS_ITOV(qip)); | |
423 | } | |
424 | } | |
425 | ||
426 | return (error); | |
427 | } | |
428 | ||
429 | ||
430 | /* | |
431 | * Switch on (a given) quota enforcement for a filesystem. This takes | |
432 | * effect immediately. | |
433 | * (Switching on quota accounting must be done at mount time.) | |
434 | */ | |
435 | STATIC int | |
436 | xfs_qm_scall_quotaon( | |
437 | xfs_mount_t *mp, | |
438 | uint flags) | |
439 | { | |
440 | int error; | |
c8ad20ff | 441 | unsigned long s; |
1da177e4 LT |
442 | uint qf; |
443 | uint accflags; | |
444 | __int64_t sbflags; | |
445 | ||
446 | if (!capable(CAP_SYS_ADMIN)) | |
447 | return XFS_ERROR(EPERM); | |
448 | ||
449 | flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD); | |
450 | /* | |
451 | * Switching on quota accounting must be done at mount time. | |
452 | */ | |
453 | accflags = flags & XFS_ALL_QUOTA_ACCT; | |
454 | flags &= ~(XFS_ALL_QUOTA_ACCT); | |
455 | ||
456 | sbflags = 0; | |
457 | ||
458 | if (flags == 0) { | |
459 | qdprintk("quotaon: zero flags, m_qflags=%x\n", mp->m_qflags); | |
460 | return XFS_ERROR(EINVAL); | |
461 | } | |
462 | ||
463 | /* No fs can turn on quotas with a delayed effect */ | |
464 | ASSERT((flags & XFS_ALL_QUOTA_ACCT) == 0); | |
465 | ||
466 | /* | |
467 | * Can't enforce without accounting. We check the superblock | |
468 | * qflags here instead of m_qflags because rootfs can have | |
469 | * quota acct on ondisk without m_qflags' knowing. | |
470 | */ | |
471 | if (((flags & XFS_UQUOTA_ACCT) == 0 && | |
472 | (mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) == 0 && | |
473 | (flags & XFS_UQUOTA_ENFD)) | |
474 | || | |
c8ad20ff NS |
475 | ((flags & XFS_PQUOTA_ACCT) == 0 && |
476 | (mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) == 0 && | |
477 | (flags & XFS_OQUOTA_ENFD)) | |
478 | || | |
1da177e4 LT |
479 | ((flags & XFS_GQUOTA_ACCT) == 0 && |
480 | (mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) == 0 && | |
c8ad20ff | 481 | (flags & XFS_OQUOTA_ENFD))) { |
1da177e4 LT |
482 | qdprintk("Can't enforce without acct, flags=%x sbflags=%x\n", |
483 | flags, mp->m_sb.sb_qflags); | |
484 | return XFS_ERROR(EINVAL); | |
485 | } | |
486 | /* | |
487 | * If everything's upto-date incore, then don't waste time. | |
488 | */ | |
489 | if ((mp->m_qflags & flags) == flags) | |
490 | return XFS_ERROR(EEXIST); | |
491 | ||
492 | /* | |
493 | * Change sb_qflags on disk but not incore mp->qflags | |
494 | * if this is the root filesystem. | |
495 | */ | |
496 | s = XFS_SB_LOCK(mp); | |
497 | qf = mp->m_sb.sb_qflags; | |
498 | mp->m_sb.sb_qflags = qf | flags; | |
499 | XFS_SB_UNLOCK(mp, s); | |
500 | ||
501 | /* | |
502 | * There's nothing to change if it's the same. | |
503 | */ | |
504 | if ((qf & flags) == flags && sbflags == 0) | |
505 | return XFS_ERROR(EEXIST); | |
506 | sbflags |= XFS_SB_QFLAGS; | |
507 | ||
508 | if ((error = xfs_qm_write_sb_changes(mp, sbflags))) | |
509 | return (error); | |
510 | /* | |
511 | * If we aren't trying to switch on quota enforcement, we are done. | |
512 | */ | |
513 | if (((mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) != | |
514 | (mp->m_qflags & XFS_UQUOTA_ACCT)) || | |
c8ad20ff NS |
515 | ((mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) != |
516 | (mp->m_qflags & XFS_PQUOTA_ACCT)) || | |
517 | ((mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) != | |
518 | (mp->m_qflags & XFS_GQUOTA_ACCT)) || | |
1da177e4 LT |
519 | (flags & XFS_ALL_QUOTA_ENFD) == 0) |
520 | return (0); | |
521 | ||
522 | if (! XFS_IS_QUOTA_RUNNING(mp)) | |
523 | return XFS_ERROR(ESRCH); | |
524 | ||
525 | /* | |
526 | * Switch on quota enforcement in core. | |
527 | */ | |
528 | mutex_lock(&(XFS_QI_QOFFLOCK(mp)), PINOD); | |
529 | mp->m_qflags |= (flags & XFS_ALL_QUOTA_ENFD); | |
530 | mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); | |
531 | ||
532 | return (0); | |
533 | } | |
534 | ||
535 | ||
1da177e4 LT |
536 | /* |
537 | * Return quota status information, such as uquota-off, enforcements, etc. | |
538 | */ | |
539 | STATIC int | |
540 | xfs_qm_scall_getqstat( | |
541 | xfs_mount_t *mp, | |
542 | fs_quota_stat_t *out) | |
543 | { | |
544 | xfs_inode_t *uip, *gip; | |
545 | boolean_t tempuqip, tempgqip; | |
546 | ||
547 | uip = gip = NULL; | |
548 | tempuqip = tempgqip = B_FALSE; | |
549 | memset(out, 0, sizeof(fs_quota_stat_t)); | |
550 | ||
551 | out->qs_version = FS_QSTAT_VERSION; | |
552 | if (! XFS_SB_VERSION_HASQUOTA(&mp->m_sb)) { | |
553 | out->qs_uquota.qfs_ino = NULLFSINO; | |
554 | out->qs_gquota.qfs_ino = NULLFSINO; | |
555 | return (0); | |
556 | } | |
557 | out->qs_flags = (__uint16_t) xfs_qm_export_flags(mp->m_qflags & | |
558 | (XFS_ALL_QUOTA_ACCT| | |
559 | XFS_ALL_QUOTA_ENFD)); | |
560 | out->qs_pad = 0; | |
561 | out->qs_uquota.qfs_ino = mp->m_sb.sb_uquotino; | |
562 | out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino; | |
563 | ||
564 | if (mp->m_quotainfo) { | |
565 | uip = mp->m_quotainfo->qi_uquotaip; | |
566 | gip = mp->m_quotainfo->qi_gquotaip; | |
567 | } | |
568 | if (!uip && mp->m_sb.sb_uquotino != NULLFSINO) { | |
569 | if (xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, | |
570 | 0, 0, &uip, 0) == 0) | |
571 | tempuqip = B_TRUE; | |
572 | } | |
573 | if (!gip && mp->m_sb.sb_gquotino != NULLFSINO) { | |
574 | if (xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, | |
575 | 0, 0, &gip, 0) == 0) | |
576 | tempgqip = B_TRUE; | |
577 | } | |
578 | if (uip) { | |
579 | out->qs_uquota.qfs_nblks = uip->i_d.di_nblocks; | |
580 | out->qs_uquota.qfs_nextents = uip->i_d.di_nextents; | |
581 | if (tempuqip) | |
582 | VN_RELE(XFS_ITOV(uip)); | |
583 | } | |
584 | if (gip) { | |
585 | out->qs_gquota.qfs_nblks = gip->i_d.di_nblocks; | |
586 | out->qs_gquota.qfs_nextents = gip->i_d.di_nextents; | |
587 | if (tempgqip) | |
588 | VN_RELE(XFS_ITOV(gip)); | |
589 | } | |
590 | if (mp->m_quotainfo) { | |
591 | out->qs_incoredqs = XFS_QI_MPLNDQUOTS(mp); | |
592 | out->qs_btimelimit = XFS_QI_BTIMELIMIT(mp); | |
593 | out->qs_itimelimit = XFS_QI_ITIMELIMIT(mp); | |
594 | out->qs_rtbtimelimit = XFS_QI_RTBTIMELIMIT(mp); | |
595 | out->qs_bwarnlimit = XFS_QI_BWARNLIMIT(mp); | |
596 | out->qs_iwarnlimit = XFS_QI_IWARNLIMIT(mp); | |
597 | } | |
598 | return (0); | |
599 | } | |
600 | ||
601 | /* | |
602 | * Adjust quota limits, and start/stop timers accordingly. | |
603 | */ | |
604 | STATIC int | |
605 | xfs_qm_scall_setqlim( | |
606 | xfs_mount_t *mp, | |
607 | xfs_dqid_t id, | |
608 | uint type, | |
609 | fs_disk_quota_t *newlim) | |
610 | { | |
611 | xfs_disk_dquot_t *ddq; | |
612 | xfs_dquot_t *dqp; | |
613 | xfs_trans_t *tp; | |
614 | int error; | |
615 | xfs_qcnt_t hard, soft; | |
616 | ||
617 | if (!capable(CAP_SYS_ADMIN)) | |
618 | return XFS_ERROR(EPERM); | |
619 | ||
620 | if ((newlim->d_fieldmask & (FS_DQ_LIMIT_MASK|FS_DQ_TIMER_MASK)) == 0) | |
621 | return (0); | |
622 | ||
623 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SETQLIM); | |
624 | if ((error = xfs_trans_reserve(tp, 0, sizeof(xfs_disk_dquot_t) + 128, | |
625 | 0, 0, XFS_DEFAULT_LOG_COUNT))) { | |
626 | xfs_trans_cancel(tp, 0); | |
627 | return (error); | |
628 | } | |
629 | ||
630 | /* | |
631 | * We don't want to race with a quotaoff so take the quotaoff lock. | |
632 | * (We don't hold an inode lock, so there's nothing else to stop | |
633 | * a quotaoff from happening). (XXXThis doesn't currently happen | |
634 | * because we take the vfslock before calling xfs_qm_sysent). | |
635 | */ | |
636 | mutex_lock(&(XFS_QI_QOFFLOCK(mp)), PINOD); | |
637 | ||
638 | /* | |
639 | * Get the dquot (locked), and join it to the transaction. | |
640 | * Allocate the dquot if this doesn't exist. | |
641 | */ | |
642 | if ((error = xfs_qm_dqget(mp, NULL, id, type, XFS_QMOPT_DQALLOC, &dqp))) { | |
643 | xfs_trans_cancel(tp, XFS_TRANS_ABORT); | |
644 | mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); | |
645 | ASSERT(error != ENOENT); | |
646 | return (error); | |
647 | } | |
648 | xfs_dqtrace_entry(dqp, "Q_SETQLIM: AFT DQGET"); | |
649 | xfs_trans_dqjoin(tp, dqp); | |
650 | ddq = &dqp->q_core; | |
651 | ||
652 | /* | |
653 | * Make sure that hardlimits are >= soft limits before changing. | |
654 | */ | |
655 | hard = (newlim->d_fieldmask & FS_DQ_BHARD) ? | |
656 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_hardlimit) : | |
657 | INT_GET(ddq->d_blk_hardlimit, ARCH_CONVERT); | |
658 | soft = (newlim->d_fieldmask & FS_DQ_BSOFT) ? | |
659 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_softlimit) : | |
660 | INT_GET(ddq->d_blk_softlimit, ARCH_CONVERT); | |
661 | if (hard == 0 || hard >= soft) { | |
662 | INT_SET(ddq->d_blk_hardlimit, ARCH_CONVERT, hard); | |
663 | INT_SET(ddq->d_blk_softlimit, ARCH_CONVERT, soft); | |
664 | if (id == 0) { | |
665 | mp->m_quotainfo->qi_bhardlimit = hard; | |
666 | mp->m_quotainfo->qi_bsoftlimit = soft; | |
667 | } | |
668 | } else { | |
669 | qdprintk("blkhard %Ld < blksoft %Ld\n", hard, soft); | |
670 | } | |
671 | hard = (newlim->d_fieldmask & FS_DQ_RTBHARD) ? | |
672 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_rtb_hardlimit) : | |
673 | INT_GET(ddq->d_rtb_hardlimit, ARCH_CONVERT); | |
674 | soft = (newlim->d_fieldmask & FS_DQ_RTBSOFT) ? | |
675 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_rtb_softlimit) : | |
676 | INT_GET(ddq->d_rtb_softlimit, ARCH_CONVERT); | |
677 | if (hard == 0 || hard >= soft) { | |
678 | INT_SET(ddq->d_rtb_hardlimit, ARCH_CONVERT, hard); | |
679 | INT_SET(ddq->d_rtb_softlimit, ARCH_CONVERT, soft); | |
680 | if (id == 0) { | |
681 | mp->m_quotainfo->qi_rtbhardlimit = hard; | |
682 | mp->m_quotainfo->qi_rtbsoftlimit = soft; | |
683 | } | |
684 | } else { | |
685 | qdprintk("rtbhard %Ld < rtbsoft %Ld\n", hard, soft); | |
686 | } | |
687 | ||
688 | hard = (newlim->d_fieldmask & FS_DQ_IHARD) ? | |
689 | (xfs_qcnt_t) newlim->d_ino_hardlimit : | |
690 | INT_GET(ddq->d_ino_hardlimit, ARCH_CONVERT); | |
691 | soft = (newlim->d_fieldmask & FS_DQ_ISOFT) ? | |
692 | (xfs_qcnt_t) newlim->d_ino_softlimit : | |
693 | INT_GET(ddq->d_ino_softlimit, ARCH_CONVERT); | |
694 | if (hard == 0 || hard >= soft) { | |
695 | INT_SET(ddq->d_ino_hardlimit, ARCH_CONVERT, hard); | |
696 | INT_SET(ddq->d_ino_softlimit, ARCH_CONVERT, soft); | |
697 | if (id == 0) { | |
698 | mp->m_quotainfo->qi_ihardlimit = hard; | |
699 | mp->m_quotainfo->qi_isoftlimit = soft; | |
700 | } | |
701 | } else { | |
702 | qdprintk("ihard %Ld < isoft %Ld\n", hard, soft); | |
703 | } | |
704 | ||
705 | if (id == 0) { | |
706 | /* | |
707 | * Timelimits for the super user set the relative time | |
708 | * the other users can be over quota for this file system. | |
709 | * If it is zero a default is used. Ditto for the default | |
710 | * soft and hard limit values (already done, above). | |
711 | */ | |
712 | if (newlim->d_fieldmask & FS_DQ_BTIMER) { | |
713 | mp->m_quotainfo->qi_btimelimit = newlim->d_btimer; | |
714 | INT_SET(ddq->d_btimer, ARCH_CONVERT, newlim->d_btimer); | |
715 | } | |
716 | if (newlim->d_fieldmask & FS_DQ_ITIMER) { | |
717 | mp->m_quotainfo->qi_itimelimit = newlim->d_itimer; | |
718 | INT_SET(ddq->d_itimer, ARCH_CONVERT, newlim->d_itimer); | |
719 | } | |
720 | if (newlim->d_fieldmask & FS_DQ_RTBTIMER) { | |
721 | mp->m_quotainfo->qi_rtbtimelimit = newlim->d_rtbtimer; | |
722 | INT_SET(ddq->d_rtbtimer, ARCH_CONVERT, newlim->d_rtbtimer); | |
723 | } | |
724 | } else /* if (XFS_IS_QUOTA_ENFORCED(mp)) */ { | |
725 | /* | |
726 | * If the user is now over quota, start the timelimit. | |
727 | * The user will not be 'warned'. | |
728 | * Note that we keep the timers ticking, whether enforcement | |
729 | * is on or off. We don't really want to bother with iterating | |
730 | * over all ondisk dquots and turning the timers on/off. | |
731 | */ | |
732 | xfs_qm_adjust_dqtimers(mp, ddq); | |
733 | } | |
734 | dqp->dq_flags |= XFS_DQ_DIRTY; | |
735 | xfs_trans_log_dquot(tp, dqp); | |
736 | ||
737 | xfs_dqtrace_entry(dqp, "Q_SETQLIM: COMMIT"); | |
738 | xfs_trans_commit(tp, 0, NULL); | |
739 | xfs_qm_dqprint(dqp); | |
740 | xfs_qm_dqrele(dqp); | |
741 | mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); | |
742 | ||
743 | return (0); | |
744 | } | |
745 | ||
746 | STATIC int | |
747 | xfs_qm_scall_getquota( | |
748 | xfs_mount_t *mp, | |
749 | xfs_dqid_t id, | |
750 | uint type, | |
751 | fs_disk_quota_t *out) | |
752 | { | |
753 | xfs_dquot_t *dqp; | |
754 | int error; | |
755 | ||
756 | /* | |
757 | * Try to get the dquot. We don't want it allocated on disk, so | |
758 | * we aren't passing the XFS_QMOPT_DOALLOC flag. If it doesn't | |
759 | * exist, we'll get ENOENT back. | |
760 | */ | |
761 | if ((error = xfs_qm_dqget(mp, NULL, id, type, 0, &dqp))) { | |
762 | return (error); | |
763 | } | |
764 | ||
765 | xfs_dqtrace_entry(dqp, "Q_GETQUOTA SUCCESS"); | |
766 | /* | |
767 | * If everything's NULL, this dquot doesn't quite exist as far as | |
768 | * our utility programs are concerned. | |
769 | */ | |
770 | if (XFS_IS_DQUOT_UNINITIALIZED(dqp)) { | |
771 | xfs_qm_dqput(dqp); | |
772 | return XFS_ERROR(ENOENT); | |
773 | } | |
774 | /* xfs_qm_dqprint(dqp); */ | |
775 | /* | |
776 | * Convert the disk dquot to the exportable format | |
777 | */ | |
778 | xfs_qm_export_dquot(mp, &dqp->q_core, out); | |
779 | xfs_qm_dqput(dqp); | |
780 | return (error ? XFS_ERROR(EFAULT) : 0); | |
781 | } | |
782 | ||
783 | ||
784 | STATIC int | |
785 | xfs_qm_log_quotaoff_end( | |
786 | xfs_mount_t *mp, | |
787 | xfs_qoff_logitem_t *startqoff, | |
788 | uint flags) | |
789 | { | |
c8ad20ff | 790 | xfs_trans_t *tp; |
1da177e4 | 791 | int error; |
c8ad20ff | 792 | xfs_qoff_logitem_t *qoffi; |
1da177e4 LT |
793 | |
794 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF_END); | |
795 | ||
796 | if ((error = xfs_trans_reserve(tp, 0, sizeof(xfs_qoff_logitem_t) * 2, | |
797 | 0, 0, XFS_DEFAULT_LOG_COUNT))) { | |
798 | xfs_trans_cancel(tp, 0); | |
799 | return (error); | |
800 | } | |
801 | ||
802 | qoffi = xfs_trans_get_qoff_item(tp, startqoff, | |
803 | flags & XFS_ALL_QUOTA_ACCT); | |
804 | xfs_trans_log_quotaoff_item(tp, qoffi); | |
805 | ||
806 | /* | |
807 | * We have to make sure that the transaction is secure on disk before we | |
808 | * return and actually stop quota accounting. So, make it synchronous. | |
809 | * We don't care about quotoff's performance. | |
810 | */ | |
811 | xfs_trans_set_sync(tp); | |
812 | error = xfs_trans_commit(tp, 0, NULL); | |
813 | return (error); | |
814 | } | |
815 | ||
816 | ||
817 | STATIC int | |
818 | xfs_qm_log_quotaoff( | |
819 | xfs_mount_t *mp, | |
820 | xfs_qoff_logitem_t **qoffstartp, | |
821 | uint flags) | |
822 | { | |
823 | xfs_trans_t *tp; | |
824 | int error; | |
825 | unsigned long s; | |
826 | xfs_qoff_logitem_t *qoffi=NULL; | |
827 | uint oldsbqflag=0; | |
828 | ||
829 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF); | |
830 | if ((error = xfs_trans_reserve(tp, 0, | |
831 | sizeof(xfs_qoff_logitem_t) * 2 + | |
832 | mp->m_sb.sb_sectsize + 128, | |
833 | 0, | |
834 | 0, | |
835 | XFS_DEFAULT_LOG_COUNT))) { | |
836 | goto error0; | |
837 | } | |
838 | ||
839 | qoffi = xfs_trans_get_qoff_item(tp, NULL, flags & XFS_ALL_QUOTA_ACCT); | |
840 | xfs_trans_log_quotaoff_item(tp, qoffi); | |
841 | ||
842 | s = XFS_SB_LOCK(mp); | |
843 | oldsbqflag = mp->m_sb.sb_qflags; | |
844 | mp->m_sb.sb_qflags = (mp->m_qflags & ~(flags)) & XFS_MOUNT_QUOTA_ALL; | |
845 | XFS_SB_UNLOCK(mp, s); | |
846 | ||
847 | xfs_mod_sb(tp, XFS_SB_QFLAGS); | |
848 | ||
849 | /* | |
850 | * We have to make sure that the transaction is secure on disk before we | |
851 | * return and actually stop quota accounting. So, make it synchronous. | |
852 | * We don't care about quotoff's performance. | |
853 | */ | |
854 | xfs_trans_set_sync(tp); | |
855 | error = xfs_trans_commit(tp, 0, NULL); | |
856 | ||
857 | error0: | |
858 | if (error) { | |
859 | xfs_trans_cancel(tp, 0); | |
860 | /* | |
861 | * No one else is modifying sb_qflags, so this is OK. | |
862 | * We still hold the quotaofflock. | |
863 | */ | |
864 | s = XFS_SB_LOCK(mp); | |
865 | mp->m_sb.sb_qflags = oldsbqflag; | |
866 | XFS_SB_UNLOCK(mp, s); | |
867 | } | |
868 | *qoffstartp = qoffi; | |
869 | return (error); | |
870 | } | |
871 | ||
872 | ||
873 | /* | |
874 | * Translate an internal style on-disk-dquot to the exportable format. | |
875 | * The main differences are that the counters/limits are all in Basic | |
876 | * Blocks (BBs) instead of the internal FSBs, and all on-disk data has | |
877 | * to be converted to the native endianness. | |
878 | */ | |
879 | STATIC void | |
880 | xfs_qm_export_dquot( | |
881 | xfs_mount_t *mp, | |
882 | xfs_disk_dquot_t *src, | |
883 | struct fs_disk_quota *dst) | |
884 | { | |
885 | memset(dst, 0, sizeof(*dst)); | |
886 | dst->d_version = FS_DQUOT_VERSION; /* different from src->d_version */ | |
887 | dst->d_flags = | |
888 | xfs_qm_export_qtype_flags(INT_GET(src->d_flags, ARCH_CONVERT)); | |
889 | dst->d_id = INT_GET(src->d_id, ARCH_CONVERT); | |
890 | dst->d_blk_hardlimit = (__uint64_t) | |
891 | XFS_FSB_TO_BB(mp, INT_GET(src->d_blk_hardlimit, ARCH_CONVERT)); | |
892 | dst->d_blk_softlimit = (__uint64_t) | |
893 | XFS_FSB_TO_BB(mp, INT_GET(src->d_blk_softlimit, ARCH_CONVERT)); | |
894 | dst->d_ino_hardlimit = (__uint64_t) | |
895 | INT_GET(src->d_ino_hardlimit, ARCH_CONVERT); | |
896 | dst->d_ino_softlimit = (__uint64_t) | |
897 | INT_GET(src->d_ino_softlimit, ARCH_CONVERT); | |
898 | dst->d_bcount = (__uint64_t) | |
899 | XFS_FSB_TO_BB(mp, INT_GET(src->d_bcount, ARCH_CONVERT)); | |
900 | dst->d_icount = (__uint64_t) INT_GET(src->d_icount, ARCH_CONVERT); | |
901 | dst->d_btimer = (__uint32_t) INT_GET(src->d_btimer, ARCH_CONVERT); | |
902 | dst->d_itimer = (__uint32_t) INT_GET(src->d_itimer, ARCH_CONVERT); | |
903 | dst->d_iwarns = INT_GET(src->d_iwarns, ARCH_CONVERT); | |
904 | dst->d_bwarns = INT_GET(src->d_bwarns, ARCH_CONVERT); | |
905 | ||
906 | dst->d_rtb_hardlimit = (__uint64_t) | |
907 | XFS_FSB_TO_BB(mp, INT_GET(src->d_rtb_hardlimit, ARCH_CONVERT)); | |
908 | dst->d_rtb_softlimit = (__uint64_t) | |
909 | XFS_FSB_TO_BB(mp, INT_GET(src->d_rtb_softlimit, ARCH_CONVERT)); | |
910 | dst->d_rtbcount = (__uint64_t) | |
911 | XFS_FSB_TO_BB(mp, INT_GET(src->d_rtbcount, ARCH_CONVERT)); | |
912 | dst->d_rtbtimer = (__uint32_t) INT_GET(src->d_rtbtimer, ARCH_CONVERT); | |
913 | dst->d_rtbwarns = INT_GET(src->d_rtbwarns, ARCH_CONVERT); | |
914 | ||
915 | /* | |
916 | * Internally, we don't reset all the timers when quota enforcement | |
917 | * gets turned off. No need to confuse the userlevel code, | |
918 | * so return zeroes in that case. | |
919 | */ | |
920 | if (! XFS_IS_QUOTA_ENFORCED(mp)) { | |
921 | dst->d_btimer = 0; | |
922 | dst->d_itimer = 0; | |
923 | dst->d_rtbtimer = 0; | |
924 | } | |
925 | ||
926 | #ifdef DEBUG | |
927 | if (XFS_IS_QUOTA_ENFORCED(mp) && dst->d_id != 0) { | |
928 | if (((int) dst->d_bcount >= (int) dst->d_blk_softlimit) && | |
929 | (dst->d_blk_softlimit > 0)) { | |
930 | ASSERT(dst->d_btimer != 0); | |
931 | } | |
932 | if (((int) dst->d_icount >= (int) dst->d_ino_softlimit) && | |
933 | (dst->d_ino_softlimit > 0)) { | |
934 | ASSERT(dst->d_itimer != 0); | |
935 | } | |
936 | } | |
937 | #endif | |
938 | } | |
939 | ||
940 | STATIC uint | |
941 | xfs_qm_import_qtype_flags( | |
c8ad20ff | 942 | uint uflags) |
1da177e4 | 943 | { |
c8ad20ff NS |
944 | uint oflags = 0; |
945 | ||
1da177e4 | 946 | /* |
c8ad20ff | 947 | * Can't be more than one, or none. |
1da177e4 LT |
948 | */ |
949 | if (((uflags & (XFS_GROUP_QUOTA | XFS_USER_QUOTA)) == | |
c8ad20ff NS |
950 | (XFS_GROUP_QUOTA | XFS_USER_QUOTA)) || |
951 | ((uflags & (XFS_GROUP_QUOTA | XFS_PROJ_QUOTA)) == | |
952 | (XFS_GROUP_QUOTA | XFS_PROJ_QUOTA)) || | |
953 | ((uflags & (XFS_USER_QUOTA | XFS_PROJ_QUOTA)) == | |
954 | (XFS_USER_QUOTA | XFS_PROJ_QUOTA)) || | |
955 | ((uflags & (XFS_GROUP_QUOTA|XFS_USER_QUOTA|XFS_PROJ_QUOTA)) == 0)) | |
1da177e4 LT |
956 | return (0); |
957 | ||
c8ad20ff NS |
958 | oflags |= (uflags & XFS_USER_QUOTA) ? XFS_DQ_USER : 0; |
959 | oflags |= (uflags & XFS_PROJ_QUOTA) ? XFS_DQ_PROJ : 0; | |
960 | oflags |= (uflags & XFS_GROUP_QUOTA) ? XFS_DQ_GROUP: 0; | |
961 | return oflags; | |
1da177e4 LT |
962 | } |
963 | ||
964 | STATIC uint | |
965 | xfs_qm_export_qtype_flags( | |
966 | uint flags) | |
967 | { | |
968 | /* | |
c8ad20ff | 969 | * Can't be more than one, or none. |
1da177e4 | 970 | */ |
c8ad20ff NS |
971 | ASSERT((flags & (XFS_PROJ_QUOTA | XFS_USER_QUOTA)) != |
972 | (XFS_PROJ_QUOTA | XFS_USER_QUOTA)); | |
973 | ASSERT((flags & (XFS_PROJ_QUOTA | XFS_GROUP_QUOTA)) != | |
974 | (XFS_PROJ_QUOTA | XFS_GROUP_QUOTA)); | |
975 | ASSERT((flags & (XFS_USER_QUOTA | XFS_GROUP_QUOTA)) != | |
976 | (XFS_USER_QUOTA | XFS_GROUP_QUOTA)); | |
977 | ASSERT((flags & (XFS_PROJ_QUOTA|XFS_USER_QUOTA|XFS_GROUP_QUOTA)) != 0); | |
1da177e4 LT |
978 | |
979 | return (flags & XFS_DQ_USER) ? | |
c8ad20ff NS |
980 | XFS_USER_QUOTA : (flags & XFS_DQ_PROJ) ? |
981 | XFS_PROJ_QUOTA : XFS_GROUP_QUOTA; | |
1da177e4 LT |
982 | } |
983 | ||
984 | STATIC uint | |
985 | xfs_qm_import_flags( | |
986 | uint uflags) | |
987 | { | |
988 | uint flags = 0; | |
989 | ||
990 | if (uflags & XFS_QUOTA_UDQ_ACCT) | |
991 | flags |= XFS_UQUOTA_ACCT; | |
c8ad20ff NS |
992 | if (uflags & XFS_QUOTA_PDQ_ACCT) |
993 | flags |= XFS_PQUOTA_ACCT; | |
1da177e4 LT |
994 | if (uflags & XFS_QUOTA_GDQ_ACCT) |
995 | flags |= XFS_GQUOTA_ACCT; | |
996 | if (uflags & XFS_QUOTA_UDQ_ENFD) | |
997 | flags |= XFS_UQUOTA_ENFD; | |
c8ad20ff NS |
998 | if (uflags & (XFS_QUOTA_PDQ_ENFD|XFS_QUOTA_GDQ_ENFD)) |
999 | flags |= XFS_OQUOTA_ENFD; | |
1da177e4 LT |
1000 | return (flags); |
1001 | } | |
1002 | ||
1003 | ||
1004 | STATIC uint | |
1005 | xfs_qm_export_flags( | |
1006 | uint flags) | |
1007 | { | |
1008 | uint uflags; | |
1009 | ||
1010 | uflags = 0; | |
1011 | if (flags & XFS_UQUOTA_ACCT) | |
1012 | uflags |= XFS_QUOTA_UDQ_ACCT; | |
c8ad20ff NS |
1013 | if (flags & XFS_PQUOTA_ACCT) |
1014 | uflags |= XFS_QUOTA_PDQ_ACCT; | |
1da177e4 LT |
1015 | if (flags & XFS_GQUOTA_ACCT) |
1016 | uflags |= XFS_QUOTA_GDQ_ACCT; | |
1017 | if (flags & XFS_UQUOTA_ENFD) | |
1018 | uflags |= XFS_QUOTA_UDQ_ENFD; | |
c8ad20ff NS |
1019 | if (flags & (XFS_OQUOTA_ENFD)) { |
1020 | uflags |= (flags & XFS_GQUOTA_ACCT) ? | |
1021 | XFS_QUOTA_GDQ_ENFD : XFS_QUOTA_PDQ_ENFD; | |
1022 | } | |
1da177e4 LT |
1023 | return (uflags); |
1024 | } | |
1025 | ||
1026 | ||
1027 | /* | |
1028 | * Go thru all the inodes in the file system, releasing their dquots. | |
1029 | * Note that the mount structure gets modified to indicate that quotas are off | |
1030 | * AFTER this, in the case of quotaoff. This also gets called from | |
1031 | * xfs_rootumount. | |
1032 | */ | |
1033 | void | |
1034 | xfs_qm_dqrele_all_inodes( | |
1035 | struct xfs_mount *mp, | |
1036 | uint flags) | |
1037 | { | |
1038 | vmap_t vmap; | |
1039 | xfs_inode_t *ip, *topino; | |
1040 | uint ireclaims; | |
1041 | vnode_t *vp; | |
1042 | boolean_t vnode_refd; | |
1043 | ||
1044 | ASSERT(mp->m_quotainfo); | |
1045 | ||
1046 | again: | |
1047 | XFS_MOUNT_ILOCK(mp); | |
1048 | ip = mp->m_inodes; | |
1049 | if (ip == NULL) { | |
1050 | XFS_MOUNT_IUNLOCK(mp); | |
1051 | return; | |
1052 | } | |
1053 | do { | |
1054 | /* Skip markers inserted by xfs_sync */ | |
1055 | if (ip->i_mount == NULL) { | |
1056 | ip = ip->i_mnext; | |
1057 | continue; | |
1058 | } | |
1059 | /* Root inode, rbmip and rsumip have associated blocks */ | |
1060 | if (ip == XFS_QI_UQIP(mp) || ip == XFS_QI_GQIP(mp)) { | |
1061 | ASSERT(ip->i_udquot == NULL); | |
1062 | ASSERT(ip->i_gdquot == NULL); | |
1063 | ip = ip->i_mnext; | |
1064 | continue; | |
1065 | } | |
1066 | vp = XFS_ITOV_NULL(ip); | |
1067 | if (!vp) { | |
1068 | ASSERT(ip->i_udquot == NULL); | |
1069 | ASSERT(ip->i_gdquot == NULL); | |
1070 | ip = ip->i_mnext; | |
1071 | continue; | |
1072 | } | |
1073 | vnode_refd = B_FALSE; | |
1074 | if (xfs_ilock_nowait(ip, XFS_ILOCK_EXCL) == 0) { | |
1075 | /* | |
1076 | * Sample vp mapping while holding the mplock, lest | |
1077 | * we come across a non-existent vnode. | |
1078 | */ | |
1079 | VMAP(vp, vmap); | |
1080 | ireclaims = mp->m_ireclaims; | |
1081 | topino = mp->m_inodes; | |
1082 | XFS_MOUNT_IUNLOCK(mp); | |
1083 | ||
1084 | /* XXX restart limit ? */ | |
1085 | if ( ! (vp = vn_get(vp, &vmap))) | |
1086 | goto again; | |
1087 | xfs_ilock(ip, XFS_ILOCK_EXCL); | |
1088 | vnode_refd = B_TRUE; | |
1089 | } else { | |
1090 | ireclaims = mp->m_ireclaims; | |
1091 | topino = mp->m_inodes; | |
1092 | XFS_MOUNT_IUNLOCK(mp); | |
1093 | } | |
1094 | ||
1095 | /* | |
1096 | * We don't keep the mountlock across the dqrele() call, | |
1097 | * since it can take a while.. | |
1098 | */ | |
1099 | if ((flags & XFS_UQUOTA_ACCT) && ip->i_udquot) { | |
1100 | xfs_qm_dqrele(ip->i_udquot); | |
1101 | ip->i_udquot = NULL; | |
1102 | } | |
c8ad20ff | 1103 | if (flags & (XFS_PQUOTA_ACCT|XFS_GQUOTA_ACCT) && ip->i_gdquot) { |
1da177e4 LT |
1104 | xfs_qm_dqrele(ip->i_gdquot); |
1105 | ip->i_gdquot = NULL; | |
1106 | } | |
1107 | xfs_iunlock(ip, XFS_ILOCK_EXCL); | |
1108 | /* | |
1109 | * Wait until we've dropped the ilock and mountlock to | |
1110 | * do the vn_rele. Or be condemned to an eternity in the | |
1111 | * inactive code in hell. | |
1112 | */ | |
1113 | if (vnode_refd) | |
1114 | VN_RELE(vp); | |
1115 | XFS_MOUNT_ILOCK(mp); | |
1116 | /* | |
1117 | * If an inode was inserted or removed, we gotta | |
1118 | * start over again. | |
1119 | */ | |
1120 | if (topino != mp->m_inodes || mp->m_ireclaims != ireclaims) { | |
1121 | /* XXX use a sentinel */ | |
1122 | XFS_MOUNT_IUNLOCK(mp); | |
1123 | goto again; | |
1124 | } | |
1125 | ip = ip->i_mnext; | |
1126 | } while (ip != mp->m_inodes); | |
1127 | ||
1128 | XFS_MOUNT_IUNLOCK(mp); | |
1129 | } | |
1130 | ||
1131 | /*------------------------------------------------------------------------*/ | |
1132 | #ifdef DEBUG | |
1133 | /* | |
1134 | * This contains all the test functions for XFS disk quotas. | |
1135 | * Currently it does a quota accounting check. ie. it walks through | |
1136 | * all inodes in the file system, calculating the dquot accounting fields, | |
1137 | * and prints out any inconsistencies. | |
1138 | */ | |
1139 | xfs_dqhash_t *qmtest_udqtab; | |
1140 | xfs_dqhash_t *qmtest_gdqtab; | |
1141 | int qmtest_hashmask; | |
1142 | int qmtest_nfails; | |
1143 | mutex_t qcheck_lock; | |
1144 | ||
1145 | #define DQTEST_HASHVAL(mp, id) (((__psunsigned_t)(mp) + \ | |
1146 | (__psunsigned_t)(id)) & \ | |
1147 | (qmtest_hashmask - 1)) | |
1148 | ||
1149 | #define DQTEST_HASH(mp, id, type) ((type & XFS_DQ_USER) ? \ | |
1150 | (qmtest_udqtab + \ | |
1151 | DQTEST_HASHVAL(mp, id)) : \ | |
1152 | (qmtest_gdqtab + \ | |
1153 | DQTEST_HASHVAL(mp, id))) | |
1154 | ||
1155 | #define DQTEST_LIST_PRINT(l, NXT, title) \ | |
1156 | { \ | |
1157 | xfs_dqtest_t *dqp; int i = 0;\ | |
1158 | cmn_err(CE_DEBUG, "%s (#%d)", title, (int) (l)->qh_nelems); \ | |
1159 | for (dqp = (xfs_dqtest_t *)(l)->qh_next; dqp != NULL; \ | |
1160 | dqp = (xfs_dqtest_t *)dqp->NXT) { \ | |
1161 | cmn_err(CE_DEBUG, " %d. \"%d (%s)\" bcnt = %d, icnt = %d", \ | |
1162 | ++i, dqp->d_id, DQFLAGTO_TYPESTR(dqp), \ | |
1163 | dqp->d_bcount, dqp->d_icount); } \ | |
1164 | } | |
1165 | ||
1166 | typedef struct dqtest { | |
1167 | xfs_dqmarker_t q_lists; | |
1168 | xfs_dqhash_t *q_hash; /* the hashchain header */ | |
1169 | xfs_mount_t *q_mount; /* filesystem this relates to */ | |
1170 | xfs_dqid_t d_id; /* user id or group id */ | |
1171 | xfs_qcnt_t d_bcount; /* # disk blocks owned by the user */ | |
1172 | xfs_qcnt_t d_icount; /* # inodes owned by the user */ | |
1173 | } xfs_dqtest_t; | |
1174 | ||
1175 | STATIC void | |
1176 | xfs_qm_hashinsert(xfs_dqhash_t *h, xfs_dqtest_t *dqp) | |
1177 | { | |
1178 | xfs_dquot_t *d; | |
1179 | if (((d) = (h)->qh_next)) | |
1180 | (d)->HL_PREVP = &((dqp)->HL_NEXT); | |
1181 | (dqp)->HL_NEXT = d; | |
1182 | (dqp)->HL_PREVP = &((h)->qh_next); | |
1183 | (h)->qh_next = (xfs_dquot_t *)dqp; | |
1184 | (h)->qh_version++; | |
1185 | (h)->qh_nelems++; | |
1186 | } | |
1187 | STATIC void | |
1188 | xfs_qm_dqtest_print( | |
1189 | xfs_dqtest_t *d) | |
1190 | { | |
1191 | cmn_err(CE_DEBUG, "-----------DQTEST DQUOT----------------"); | |
1192 | cmn_err(CE_DEBUG, "---- dquot ID = %d", d->d_id); | |
1da177e4 LT |
1193 | cmn_err(CE_DEBUG, "---- fs = 0x%p", d->q_mount); |
1194 | cmn_err(CE_DEBUG, "---- bcount = %Lu (0x%x)", | |
1195 | d->d_bcount, (int)d->d_bcount); | |
1196 | cmn_err(CE_DEBUG, "---- icount = %Lu (0x%x)", | |
1197 | d->d_icount, (int)d->d_icount); | |
1198 | cmn_err(CE_DEBUG, "---------------------------"); | |
1199 | } | |
1200 | ||
1201 | STATIC void | |
1202 | xfs_qm_dqtest_failed( | |
1203 | xfs_dqtest_t *d, | |
1204 | xfs_dquot_t *dqp, | |
1205 | char *reason, | |
1206 | xfs_qcnt_t a, | |
1207 | xfs_qcnt_t b, | |
1208 | int error) | |
1209 | { | |
1210 | qmtest_nfails++; | |
1211 | if (error) | |
1212 | cmn_err(CE_DEBUG, "quotacheck failed id=%d, err=%d\nreason: %s", | |
1213 | INT_GET(d->d_id, ARCH_CONVERT), error, reason); | |
1214 | else | |
1215 | cmn_err(CE_DEBUG, "quotacheck failed id=%d (%s) [%d != %d]", | |
1216 | INT_GET(d->d_id, ARCH_CONVERT), reason, (int)a, (int)b); | |
1217 | xfs_qm_dqtest_print(d); | |
1218 | if (dqp) | |
1219 | xfs_qm_dqprint(dqp); | |
1220 | } | |
1221 | ||
1222 | STATIC int | |
1223 | xfs_dqtest_cmp2( | |
1224 | xfs_dqtest_t *d, | |
1225 | xfs_dquot_t *dqp) | |
1226 | { | |
1227 | int err = 0; | |
1228 | if (INT_GET(dqp->q_core.d_icount, ARCH_CONVERT) != d->d_icount) { | |
1229 | xfs_qm_dqtest_failed(d, dqp, "icount mismatch", | |
1230 | INT_GET(dqp->q_core.d_icount, ARCH_CONVERT), | |
1231 | d->d_icount, 0); | |
1232 | err++; | |
1233 | } | |
1234 | if (INT_GET(dqp->q_core.d_bcount, ARCH_CONVERT) != d->d_bcount) { | |
1235 | xfs_qm_dqtest_failed(d, dqp, "bcount mismatch", | |
1236 | INT_GET(dqp->q_core.d_bcount, ARCH_CONVERT), | |
1237 | d->d_bcount, 0); | |
1238 | err++; | |
1239 | } | |
1240 | if (INT_GET(dqp->q_core.d_blk_softlimit, ARCH_CONVERT) && | |
1241 | INT_GET(dqp->q_core.d_bcount, ARCH_CONVERT) >= | |
1242 | INT_GET(dqp->q_core.d_blk_softlimit, ARCH_CONVERT)) { | |
1243 | if (!dqp->q_core.d_btimer && dqp->q_core.d_id) { | |
1244 | cmn_err(CE_DEBUG, | |
1245 | "%d [%s] [0x%p] BLK TIMER NOT STARTED", | |
1246 | d->d_id, DQFLAGTO_TYPESTR(d), d->q_mount); | |
1247 | err++; | |
1248 | } | |
1249 | } | |
1250 | if (INT_GET(dqp->q_core.d_ino_softlimit, ARCH_CONVERT) && | |
1251 | INT_GET(dqp->q_core.d_icount, ARCH_CONVERT) >= | |
1252 | INT_GET(dqp->q_core.d_ino_softlimit, ARCH_CONVERT)) { | |
1253 | if (!dqp->q_core.d_itimer && dqp->q_core.d_id) { | |
1254 | cmn_err(CE_DEBUG, | |
1255 | "%d [%s] [0x%p] INO TIMER NOT STARTED", | |
1256 | d->d_id, DQFLAGTO_TYPESTR(d), d->q_mount); | |
1257 | err++; | |
1258 | } | |
1259 | } | |
1260 | #ifdef QUOTADEBUG | |
1261 | if (!err) { | |
1262 | cmn_err(CE_DEBUG, "%d [%s] [0x%p] qchecked", | |
c8ad20ff | 1263 | d->d_id, DQFLAGTO_TYPESTR(d), d->q_mount); |
1da177e4 LT |
1264 | } |
1265 | #endif | |
1266 | return (err); | |
1267 | } | |
1268 | ||
1269 | STATIC void | |
1270 | xfs_dqtest_cmp( | |
1271 | xfs_dqtest_t *d) | |
1272 | { | |
1273 | xfs_dquot_t *dqp; | |
1274 | int error; | |
1275 | ||
1276 | /* xfs_qm_dqtest_print(d); */ | |
1277 | if ((error = xfs_qm_dqget(d->q_mount, NULL, d->d_id, d->dq_flags, 0, | |
1278 | &dqp))) { | |
1279 | xfs_qm_dqtest_failed(d, NULL, "dqget failed", 0, 0, error); | |
1280 | return; | |
1281 | } | |
1282 | xfs_dqtest_cmp2(d, dqp); | |
1283 | xfs_qm_dqput(dqp); | |
1284 | } | |
1285 | ||
1286 | STATIC int | |
1287 | xfs_qm_internalqcheck_dqget( | |
1288 | xfs_mount_t *mp, | |
1289 | xfs_dqid_t id, | |
1290 | uint type, | |
1291 | xfs_dqtest_t **O_dq) | |
1292 | { | |
1293 | xfs_dqtest_t *d; | |
1294 | xfs_dqhash_t *h; | |
1295 | ||
1296 | h = DQTEST_HASH(mp, id, type); | |
1297 | for (d = (xfs_dqtest_t *) h->qh_next; d != NULL; | |
1298 | d = (xfs_dqtest_t *) d->HL_NEXT) { | |
1299 | /* DQTEST_LIST_PRINT(h, HL_NEXT, "@@@@@ dqtestlist @@@@@"); */ | |
1300 | if (d->d_id == id && mp == d->q_mount) { | |
1301 | *O_dq = d; | |
1302 | return (0); | |
1303 | } | |
1304 | } | |
1305 | d = kmem_zalloc(sizeof(xfs_dqtest_t), KM_SLEEP); | |
1306 | d->dq_flags = type; | |
1307 | d->d_id = id; | |
1308 | d->q_mount = mp; | |
1309 | d->q_hash = h; | |
1310 | xfs_qm_hashinsert(h, d); | |
1311 | *O_dq = d; | |
1312 | return (0); | |
1313 | } | |
1314 | ||
1315 | STATIC void | |
1316 | xfs_qm_internalqcheck_get_dquots( | |
1317 | xfs_mount_t *mp, | |
1318 | xfs_dqid_t uid, | |
c8ad20ff | 1319 | xfs_dqid_t projid, |
1da177e4 LT |
1320 | xfs_dqid_t gid, |
1321 | xfs_dqtest_t **ud, | |
1322 | xfs_dqtest_t **gd) | |
1323 | { | |
1324 | if (XFS_IS_UQUOTA_ON(mp)) | |
1325 | xfs_qm_internalqcheck_dqget(mp, uid, XFS_DQ_USER, ud); | |
1326 | if (XFS_IS_GQUOTA_ON(mp)) | |
1327 | xfs_qm_internalqcheck_dqget(mp, gid, XFS_DQ_GROUP, gd); | |
c8ad20ff NS |
1328 | else if (XFS_IS_PQUOTA_ON(mp)) |
1329 | xfs_qm_internalqcheck_dqget(mp, projid, XFS_DQ_PROJ, gd); | |
1da177e4 LT |
1330 | } |
1331 | ||
1332 | ||
1333 | STATIC void | |
1334 | xfs_qm_internalqcheck_dqadjust( | |
1335 | xfs_inode_t *ip, | |
1336 | xfs_dqtest_t *d) | |
1337 | { | |
1338 | d->d_icount++; | |
1339 | d->d_bcount += (xfs_qcnt_t)ip->i_d.di_nblocks; | |
1340 | } | |
1341 | ||
1342 | STATIC int | |
1343 | xfs_qm_internalqcheck_adjust( | |
1344 | xfs_mount_t *mp, /* mount point for filesystem */ | |
1345 | xfs_ino_t ino, /* inode number to get data for */ | |
1346 | void __user *buffer, /* not used */ | |
1347 | int ubsize, /* not used */ | |
1348 | void *private_data, /* not used */ | |
1349 | xfs_daddr_t bno, /* starting block of inode cluster */ | |
1350 | int *ubused, /* not used */ | |
1351 | void *dip, /* not used */ | |
1352 | int *res) /* bulkstat result code */ | |
1353 | { | |
1354 | xfs_inode_t *ip; | |
1355 | xfs_dqtest_t *ud, *gd; | |
1356 | uint lock_flags; | |
1357 | boolean_t ipreleased; | |
1358 | int error; | |
1359 | ||
1360 | ASSERT(XFS_IS_QUOTA_RUNNING(mp)); | |
1361 | ||
1362 | if (ino == mp->m_sb.sb_uquotino || ino == mp->m_sb.sb_gquotino) { | |
1363 | *res = BULKSTAT_RV_NOTHING; | |
1364 | qdprintk("internalqcheck: ino=%llu, uqino=%llu, gqino=%llu\n", | |
1365 | (unsigned long long) ino, | |
1366 | (unsigned long long) mp->m_sb.sb_uquotino, | |
1367 | (unsigned long long) mp->m_sb.sb_gquotino); | |
1368 | return XFS_ERROR(EINVAL); | |
1369 | } | |
1370 | ipreleased = B_FALSE; | |
1371 | again: | |
1372 | lock_flags = XFS_ILOCK_SHARED; | |
1373 | if ((error = xfs_iget(mp, NULL, ino, 0, lock_flags, &ip, bno))) { | |
1374 | *res = BULKSTAT_RV_NOTHING; | |
1375 | return (error); | |
1376 | } | |
1377 | ||
1378 | if (ip->i_d.di_mode == 0) { | |
1379 | xfs_iput_new(ip, lock_flags); | |
1380 | *res = BULKSTAT_RV_NOTHING; | |
1381 | return XFS_ERROR(ENOENT); | |
1382 | } | |
1383 | ||
1384 | /* | |
1385 | * This inode can have blocks after eof which can get released | |
1386 | * when we send it to inactive. Since we don't check the dquot | |
1387 | * until the after all our calculations are done, we must get rid | |
1388 | * of those now. | |
1389 | */ | |
1390 | if (! ipreleased) { | |
1391 | xfs_iput(ip, lock_flags); | |
1392 | ipreleased = B_TRUE; | |
1393 | goto again; | |
1394 | } | |
1395 | xfs_qm_internalqcheck_get_dquots(mp, | |
1396 | (xfs_dqid_t) ip->i_d.di_uid, | |
c8ad20ff | 1397 | (xfs_dqid_t) ip->i_d.di_projid, |
1da177e4 LT |
1398 | (xfs_dqid_t) ip->i_d.di_gid, |
1399 | &ud, &gd); | |
1400 | if (XFS_IS_UQUOTA_ON(mp)) { | |
1401 | ASSERT(ud); | |
1402 | xfs_qm_internalqcheck_dqadjust(ip, ud); | |
1403 | } | |
c8ad20ff | 1404 | if (XFS_IS_OQUOTA_ON(mp)) { |
1da177e4 LT |
1405 | ASSERT(gd); |
1406 | xfs_qm_internalqcheck_dqadjust(ip, gd); | |
1407 | } | |
1408 | xfs_iput(ip, lock_flags); | |
1409 | *res = BULKSTAT_RV_DIDONE; | |
1410 | return (0); | |
1411 | } | |
1412 | ||
1413 | ||
1414 | /* PRIVATE, debugging */ | |
1415 | int | |
1416 | xfs_qm_internalqcheck( | |
1417 | xfs_mount_t *mp) | |
1418 | { | |
1419 | xfs_ino_t lastino; | |
1420 | int done, count; | |
1421 | int i; | |
1422 | xfs_dqtest_t *d, *e; | |
1423 | xfs_dqhash_t *h1; | |
1424 | int error; | |
1425 | ||
1426 | lastino = 0; | |
1427 | qmtest_hashmask = 32; | |
1428 | count = 5; | |
1429 | done = 0; | |
1430 | qmtest_nfails = 0; | |
1431 | ||
1432 | if (! XFS_IS_QUOTA_ON(mp)) | |
1433 | return XFS_ERROR(ESRCH); | |
1434 | ||
1435 | xfs_log_force(mp, (xfs_lsn_t)0, XFS_LOG_FORCE | XFS_LOG_SYNC); | |
1436 | XFS_bflush(mp->m_ddev_targp); | |
1437 | xfs_log_force(mp, (xfs_lsn_t)0, XFS_LOG_FORCE | XFS_LOG_SYNC); | |
1438 | XFS_bflush(mp->m_ddev_targp); | |
1439 | ||
1440 | mutex_lock(&qcheck_lock, PINOD); | |
1441 | /* There should be absolutely no quota activity while this | |
1442 | is going on. */ | |
1443 | qmtest_udqtab = kmem_zalloc(qmtest_hashmask * | |
1444 | sizeof(xfs_dqhash_t), KM_SLEEP); | |
1445 | qmtest_gdqtab = kmem_zalloc(qmtest_hashmask * | |
1446 | sizeof(xfs_dqhash_t), KM_SLEEP); | |
1447 | do { | |
1448 | /* | |
1449 | * Iterate thru all the inodes in the file system, | |
1450 | * adjusting the corresponding dquot counters | |
1451 | */ | |
1452 | if ((error = xfs_bulkstat(mp, &lastino, &count, | |
1453 | xfs_qm_internalqcheck_adjust, NULL, | |
1454 | 0, NULL, BULKSTAT_FG_IGET, &done))) { | |
1455 | break; | |
1456 | } | |
1457 | } while (! done); | |
1458 | if (error) { | |
1459 | cmn_err(CE_DEBUG, "Bulkstat returned error 0x%x", error); | |
1460 | } | |
1461 | cmn_err(CE_DEBUG, "Checking results against system dquots"); | |
1462 | for (i = 0; i < qmtest_hashmask; i++) { | |
1463 | h1 = &qmtest_udqtab[i]; | |
1464 | for (d = (xfs_dqtest_t *) h1->qh_next; d != NULL; ) { | |
1465 | xfs_dqtest_cmp(d); | |
1466 | e = (xfs_dqtest_t *) d->HL_NEXT; | |
1467 | kmem_free(d, sizeof(xfs_dqtest_t)); | |
1468 | d = e; | |
1469 | } | |
1470 | h1 = &qmtest_gdqtab[i]; | |
1471 | for (d = (xfs_dqtest_t *) h1->qh_next; d != NULL; ) { | |
1472 | xfs_dqtest_cmp(d); | |
1473 | e = (xfs_dqtest_t *) d->HL_NEXT; | |
1474 | kmem_free(d, sizeof(xfs_dqtest_t)); | |
1475 | d = e; | |
1476 | } | |
1477 | } | |
1478 | ||
1479 | if (qmtest_nfails) { | |
1480 | cmn_err(CE_DEBUG, "******** quotacheck failed ********"); | |
1481 | cmn_err(CE_DEBUG, "failures = %d", qmtest_nfails); | |
1482 | } else { | |
1483 | cmn_err(CE_DEBUG, "******** quotacheck successful! ********"); | |
1484 | } | |
1485 | kmem_free(qmtest_udqtab, qmtest_hashmask * sizeof(xfs_dqhash_t)); | |
1486 | kmem_free(qmtest_gdqtab, qmtest_hashmask * sizeof(xfs_dqhash_t)); | |
1487 | mutex_unlock(&qcheck_lock); | |
1488 | return (qmtest_nfails); | |
1489 | } | |
1490 | ||
1491 | #endif /* DEBUG */ |