Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
4ce3121f NS |
2 | * Copyright (c) 2000-2005 Silicon Graphics, Inc. |
3 | * All Rights Reserved. | |
1da177e4 | 4 | * |
4ce3121f NS |
5 | * This program is free software; you can redistribute it and/or |
6 | * modify it under the terms of the GNU General Public License as | |
1da177e4 LT |
7 | * published by the Free Software Foundation. |
8 | * | |
4ce3121f NS |
9 | * This program is distributed in the hope that it would be useful, |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
1da177e4 | 13 | * |
4ce3121f NS |
14 | * You should have received a copy of the GNU General Public License |
15 | * along with this program; if not, write the Free Software Foundation, | |
16 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
1da177e4 | 17 | */ |
16f7e0fe RD |
18 | |
19 | #include <linux/capability.h> | |
20 | ||
1da177e4 LT |
21 | #include "xfs.h" |
22 | #include "xfs_fs.h" | |
a844f451 | 23 | #include "xfs_bit.h" |
1da177e4 | 24 | #include "xfs_log.h" |
a844f451 | 25 | #include "xfs_inum.h" |
1da177e4 LT |
26 | #include "xfs_trans.h" |
27 | #include "xfs_sb.h" | |
a844f451 | 28 | #include "xfs_ag.h" |
1da177e4 LT |
29 | #include "xfs_dir2.h" |
30 | #include "xfs_alloc.h" | |
31 | #include "xfs_dmapi.h" | |
32 | #include "xfs_quota.h" | |
33 | #include "xfs_mount.h" | |
1da177e4 | 34 | #include "xfs_bmap_btree.h" |
a844f451 | 35 | #include "xfs_alloc_btree.h" |
1da177e4 | 36 | #include "xfs_ialloc_btree.h" |
1da177e4 | 37 | #include "xfs_dir2_sf.h" |
a844f451 | 38 | #include "xfs_attr_sf.h" |
1da177e4 LT |
39 | #include "xfs_dinode.h" |
40 | #include "xfs_inode.h" | |
a844f451 NS |
41 | #include "xfs_ialloc.h" |
42 | #include "xfs_itable.h" | |
1da177e4 | 43 | #include "xfs_bmap.h" |
a844f451 | 44 | #include "xfs_btree.h" |
1da177e4 LT |
45 | #include "xfs_rtalloc.h" |
46 | #include "xfs_error.h" | |
1da177e4 LT |
47 | #include "xfs_rw.h" |
48 | #include "xfs_acl.h" | |
1da177e4 LT |
49 | #include "xfs_attr.h" |
50 | #include "xfs_buf_item.h" | |
51 | #include "xfs_utils.h" | |
1da177e4 LT |
52 | #include "xfs_qm.h" |
53 | ||
54 | #ifdef DEBUG | |
55 | # define qdprintk(s, args...) cmn_err(CE_DEBUG, s, ## args) | |
56 | #else | |
57 | # define qdprintk(s, args...) do { } while (0) | |
58 | #endif | |
59 | ||
60 | STATIC int xfs_qm_scall_trunc_qfiles(xfs_mount_t *, uint); | |
61 | STATIC int xfs_qm_scall_getquota(xfs_mount_t *, xfs_dqid_t, uint, | |
62 | fs_disk_quota_t *); | |
63 | STATIC int xfs_qm_scall_getqstat(xfs_mount_t *, fs_quota_stat_t *); | |
64 | STATIC int xfs_qm_scall_setqlim(xfs_mount_t *, xfs_dqid_t, uint, | |
65 | fs_disk_quota_t *); | |
66 | STATIC int xfs_qm_scall_quotaon(xfs_mount_t *, uint); | |
67 | STATIC int xfs_qm_scall_quotaoff(xfs_mount_t *, uint, boolean_t); | |
68 | STATIC int xfs_qm_log_quotaoff(xfs_mount_t *, xfs_qoff_logitem_t **, uint); | |
69 | STATIC int xfs_qm_log_quotaoff_end(xfs_mount_t *, xfs_qoff_logitem_t *, | |
70 | uint); | |
71 | STATIC uint xfs_qm_import_flags(uint); | |
72 | STATIC uint xfs_qm_export_flags(uint); | |
73 | STATIC uint xfs_qm_import_qtype_flags(uint); | |
74 | STATIC uint xfs_qm_export_qtype_flags(uint); | |
75 | STATIC void xfs_qm_export_dquot(xfs_mount_t *, xfs_disk_dquot_t *, | |
76 | fs_disk_quota_t *); | |
77 | ||
78 | ||
79 | /* | |
80 | * The main distribution switch of all XFS quotactl system calls. | |
81 | */ | |
82 | int | |
83 | xfs_qm_quotactl( | |
b09cc771 | 84 | xfs_mount_t *mp, |
1da177e4 LT |
85 | int cmd, |
86 | int id, | |
87 | xfs_caddr_t addr) | |
88 | { | |
1da177e4 | 89 | int error; |
1da177e4 | 90 | |
ee34807a | 91 | ASSERT(addr != NULL || cmd == Q_XQUOTASYNC); |
1da177e4 LT |
92 | |
93 | /* | |
94 | * The following commands are valid even when quotaoff. | |
95 | */ | |
96 | switch (cmd) { | |
c8ad20ff | 97 | case Q_XQUOTARM: |
1da177e4 | 98 | /* |
c8ad20ff | 99 | * Truncate quota files. quota must be off. |
1da177e4 | 100 | */ |
c310ab6c | 101 | if (XFS_IS_QUOTA_ON(mp)) |
1da177e4 | 102 | return XFS_ERROR(EINVAL); |
bd186aa9 | 103 | if (mp->m_flags & XFS_MOUNT_RDONLY) |
1da177e4 LT |
104 | return XFS_ERROR(EROFS); |
105 | return (xfs_qm_scall_trunc_qfiles(mp, | |
106 | xfs_qm_import_qtype_flags(*(uint *)addr))); | |
c8ad20ff NS |
107 | |
108 | case Q_XGETQSTAT: | |
1da177e4 LT |
109 | /* |
110 | * Get quota status information. | |
111 | */ | |
1da177e4 LT |
112 | return (xfs_qm_scall_getqstat(mp, (fs_quota_stat_t *)addr)); |
113 | ||
c8ad20ff | 114 | case Q_XQUOTAON: |
1da177e4 | 115 | /* |
c8ad20ff NS |
116 | * QUOTAON - enabling quota enforcement. |
117 | * Quota accounting must be turned on at mount time. | |
1da177e4 | 118 | */ |
bd186aa9 | 119 | if (mp->m_flags & XFS_MOUNT_RDONLY) |
1da177e4 LT |
120 | return XFS_ERROR(EROFS); |
121 | return (xfs_qm_scall_quotaon(mp, | |
122 | xfs_qm_import_flags(*(uint *)addr))); | |
c8ad20ff NS |
123 | |
124 | case Q_XQUOTAOFF: | |
bd186aa9 | 125 | if (mp->m_flags & XFS_MOUNT_RDONLY) |
1da177e4 LT |
126 | return XFS_ERROR(EROFS); |
127 | break; | |
128 | ||
ee34807a | 129 | case Q_XQUOTASYNC: |
1f9b3b64 | 130 | return (xfs_sync_inodes(mp, SYNC_DELWRI, NULL)); |
ee34807a | 131 | |
c8ad20ff | 132 | default: |
1da177e4 LT |
133 | break; |
134 | } | |
135 | ||
136 | if (! XFS_IS_QUOTA_ON(mp)) | |
137 | return XFS_ERROR(ESRCH); | |
138 | ||
139 | switch (cmd) { | |
c8ad20ff | 140 | case Q_XQUOTAOFF: |
bd186aa9 | 141 | if (mp->m_flags & XFS_MOUNT_RDONLY) |
1da177e4 LT |
142 | return XFS_ERROR(EROFS); |
143 | error = xfs_qm_scall_quotaoff(mp, | |
144 | xfs_qm_import_flags(*(uint *)addr), | |
145 | B_FALSE); | |
146 | break; | |
147 | ||
c8ad20ff | 148 | case Q_XGETQUOTA: |
1da177e4 LT |
149 | error = xfs_qm_scall_getquota(mp, (xfs_dqid_t)id, XFS_DQ_USER, |
150 | (fs_disk_quota_t *)addr); | |
151 | break; | |
c8ad20ff NS |
152 | case Q_XGETGQUOTA: |
153 | error = xfs_qm_scall_getquota(mp, (xfs_dqid_t)id, XFS_DQ_GROUP, | |
154 | (fs_disk_quota_t *)addr); | |
155 | break; | |
156 | case Q_XGETPQUOTA: | |
157 | error = xfs_qm_scall_getquota(mp, (xfs_dqid_t)id, XFS_DQ_PROJ, | |
158 | (fs_disk_quota_t *)addr); | |
159 | break; | |
160 | ||
161 | case Q_XSETQLIM: | |
bd186aa9 | 162 | if (mp->m_flags & XFS_MOUNT_RDONLY) |
1da177e4 LT |
163 | return XFS_ERROR(EROFS); |
164 | error = xfs_qm_scall_setqlim(mp, (xfs_dqid_t)id, XFS_DQ_USER, | |
165 | (fs_disk_quota_t *)addr); | |
166 | break; | |
c8ad20ff | 167 | case Q_XSETGQLIM: |
bd186aa9 | 168 | if (mp->m_flags & XFS_MOUNT_RDONLY) |
1da177e4 LT |
169 | return XFS_ERROR(EROFS); |
170 | error = xfs_qm_scall_setqlim(mp, (xfs_dqid_t)id, XFS_DQ_GROUP, | |
171 | (fs_disk_quota_t *)addr); | |
172 | break; | |
c8ad20ff | 173 | case Q_XSETPQLIM: |
bd186aa9 | 174 | if (mp->m_flags & XFS_MOUNT_RDONLY) |
c8ad20ff NS |
175 | return XFS_ERROR(EROFS); |
176 | error = xfs_qm_scall_setqlim(mp, (xfs_dqid_t)id, XFS_DQ_PROJ, | |
177 | (fs_disk_quota_t *)addr); | |
1da177e4 LT |
178 | break; |
179 | ||
c8ad20ff | 180 | default: |
1da177e4 LT |
181 | error = XFS_ERROR(EINVAL); |
182 | break; | |
183 | } | |
184 | ||
185 | return (error); | |
186 | } | |
187 | ||
188 | /* | |
189 | * Turn off quota accounting and/or enforcement for all udquots and/or | |
190 | * gdquots. Called only at unmount time. | |
191 | * | |
192 | * This assumes that there are no dquots of this file system cached | |
193 | * incore, and modifies the ondisk dquot directly. Therefore, for example, | |
194 | * it is an error to call this twice, without purging the cache. | |
195 | */ | |
196 | STATIC int | |
197 | xfs_qm_scall_quotaoff( | |
198 | xfs_mount_t *mp, | |
199 | uint flags, | |
200 | boolean_t force) | |
201 | { | |
202 | uint dqtype; | |
1da177e4 LT |
203 | int error; |
204 | uint inactivate_flags; | |
205 | xfs_qoff_logitem_t *qoffstart; | |
206 | int nculprits; | |
207 | ||
208 | if (!force && !capable(CAP_SYS_ADMIN)) | |
209 | return XFS_ERROR(EPERM); | |
210 | /* | |
211 | * No file system can have quotas enabled on disk but not in core. | |
212 | * Note that quota utilities (like quotaoff) _expect_ | |
213 | * errno == EEXIST here. | |
214 | */ | |
215 | if ((mp->m_qflags & flags) == 0) | |
216 | return XFS_ERROR(EEXIST); | |
217 | error = 0; | |
218 | ||
219 | flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD); | |
220 | ||
221 | /* | |
222 | * We don't want to deal with two quotaoffs messing up each other, | |
223 | * so we're going to serialize it. quotaoff isn't exactly a performance | |
224 | * critical thing. | |
225 | * If quotaoff, then we must be dealing with the root filesystem. | |
226 | */ | |
227 | ASSERT(mp->m_quotainfo); | |
228 | if (mp->m_quotainfo) | |
794ee1ba | 229 | mutex_lock(&(XFS_QI_QOFFLOCK(mp))); |
1da177e4 LT |
230 | |
231 | ASSERT(mp->m_quotainfo); | |
232 | ||
233 | /* | |
234 | * If we're just turning off quota enforcement, change mp and go. | |
235 | */ | |
236 | if ((flags & XFS_ALL_QUOTA_ACCT) == 0) { | |
237 | mp->m_qflags &= ~(flags); | |
238 | ||
3685c2a1 | 239 | spin_lock(&mp->m_sb_lock); |
1da177e4 | 240 | mp->m_sb.sb_qflags = mp->m_qflags; |
3685c2a1 | 241 | spin_unlock(&mp->m_sb_lock); |
1da177e4 LT |
242 | mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); |
243 | ||
244 | /* XXX what to do if error ? Revert back to old vals incore ? */ | |
245 | error = xfs_qm_write_sb_changes(mp, XFS_SB_QFLAGS); | |
246 | return (error); | |
247 | } | |
248 | ||
249 | dqtype = 0; | |
250 | inactivate_flags = 0; | |
251 | /* | |
252 | * If accounting is off, we must turn enforcement off, clear the | |
253 | * quota 'CHKD' certificate to make it known that we have to | |
254 | * do a quotacheck the next time this quota is turned on. | |
255 | */ | |
256 | if (flags & XFS_UQUOTA_ACCT) { | |
257 | dqtype |= XFS_QMOPT_UQUOTA; | |
258 | flags |= (XFS_UQUOTA_CHKD | XFS_UQUOTA_ENFD); | |
259 | inactivate_flags |= XFS_UQUOTA_ACTIVE; | |
260 | } | |
261 | if (flags & XFS_GQUOTA_ACCT) { | |
262 | dqtype |= XFS_QMOPT_GQUOTA; | |
c8ad20ff | 263 | flags |= (XFS_OQUOTA_CHKD | XFS_OQUOTA_ENFD); |
1da177e4 | 264 | inactivate_flags |= XFS_GQUOTA_ACTIVE; |
c8ad20ff NS |
265 | } else if (flags & XFS_PQUOTA_ACCT) { |
266 | dqtype |= XFS_QMOPT_PQUOTA; | |
267 | flags |= (XFS_OQUOTA_CHKD | XFS_OQUOTA_ENFD); | |
268 | inactivate_flags |= XFS_PQUOTA_ACTIVE; | |
1da177e4 LT |
269 | } |
270 | ||
271 | /* | |
272 | * Nothing to do? Don't complain. This happens when we're just | |
273 | * turning off quota enforcement. | |
274 | */ | |
275 | if ((mp->m_qflags & flags) == 0) { | |
276 | mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); | |
277 | return (0); | |
278 | } | |
279 | ||
280 | /* | |
281 | * Write the LI_QUOTAOFF log record, and do SB changes atomically, | |
cb6edc26 DC |
282 | * and synchronously. If we fail to write, we should abort the |
283 | * operation as it cannot be recovered safely if we crash. | |
1da177e4 | 284 | */ |
cb6edc26 DC |
285 | error = xfs_qm_log_quotaoff(mp, &qoffstart, flags); |
286 | if (error) | |
287 | goto out_error; | |
1da177e4 LT |
288 | |
289 | /* | |
290 | * Next we clear the XFS_MOUNT_*DQ_ACTIVE bit(s) in the mount struct | |
291 | * to take care of the race between dqget and quotaoff. We don't take | |
292 | * any special locks to reset these bits. All processes need to check | |
293 | * these bits *after* taking inode lock(s) to see if the particular | |
294 | * quota type is in the process of being turned off. If *ACTIVE, it is | |
295 | * guaranteed that all dquot structures and all quotainode ptrs will all | |
296 | * stay valid as long as that inode is kept locked. | |
297 | * | |
298 | * There is no turning back after this. | |
299 | */ | |
300 | mp->m_qflags &= ~inactivate_flags; | |
301 | ||
302 | /* | |
303 | * Give back all the dquot reference(s) held by inodes. | |
304 | * Here we go thru every single incore inode in this file system, and | |
305 | * do a dqrele on the i_udquot/i_gdquot that it may have. | |
306 | * Essentially, as long as somebody has an inode locked, this guarantees | |
307 | * that quotas will not be turned off. This is handy because in a | |
308 | * transaction once we lock the inode(s) and check for quotaon, we can | |
309 | * depend on the quota inodes (and other things) being valid as long as | |
310 | * we keep the lock(s). | |
311 | */ | |
312 | xfs_qm_dqrele_all_inodes(mp, flags); | |
313 | ||
314 | /* | |
315 | * Next we make the changes in the quota flag in the mount struct. | |
316 | * This isn't protected by a particular lock directly, because we | |
317 | * don't want to take a mrlock everytime we depend on quotas being on. | |
318 | */ | |
319 | mp->m_qflags &= ~(flags); | |
320 | ||
321 | /* | |
322 | * Go through all the dquots of this file system and purge them, | |
323 | * according to what was turned off. We may not be able to get rid | |
324 | * of all dquots, because dquots can have temporary references that | |
325 | * are not attached to inodes. eg. xfs_setattr, xfs_create. | |
326 | * So, if we couldn't purge all the dquots from the filesystem, | |
327 | * we can't get rid of the incore data structures. | |
328 | */ | |
329 | while ((nculprits = xfs_qm_dqpurge_all(mp, dqtype|XFS_QMOPT_QUOTAOFF))) | |
330 | delay(10 * nculprits); | |
331 | ||
332 | /* | |
333 | * Transactions that had started before ACTIVE state bit was cleared | |
334 | * could have logged many dquots, so they'd have higher LSNs than | |
335 | * the first QUOTAOFF log record does. If we happen to crash when | |
336 | * the tail of the log has gone past the QUOTAOFF record, but | |
337 | * before the last dquot modification, those dquots __will__ | |
338 | * recover, and that's not good. | |
339 | * | |
340 | * So, we have QUOTAOFF start and end logitems; the start | |
341 | * logitem won't get overwritten until the end logitem appears... | |
342 | */ | |
cb6edc26 DC |
343 | error = xfs_qm_log_quotaoff_end(mp, qoffstart, flags); |
344 | if (error) { | |
345 | /* We're screwed now. Shutdown is the only option. */ | |
346 | xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE); | |
347 | goto out_error; | |
348 | } | |
1da177e4 LT |
349 | |
350 | /* | |
351 | * If quotas is completely disabled, close shop. | |
352 | */ | |
c8ad20ff NS |
353 | if (((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_SET1) || |
354 | ((flags & XFS_MOUNT_QUOTA_ALL) == XFS_MOUNT_QUOTA_SET2)) { | |
1da177e4 LT |
355 | mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); |
356 | xfs_qm_destroy_quotainfo(mp); | |
357 | return (0); | |
358 | } | |
359 | ||
360 | /* | |
361 | * Release our quotainode references, and vn_purge them, | |
362 | * if we don't need them anymore. | |
363 | */ | |
364 | if ((dqtype & XFS_QMOPT_UQUOTA) && XFS_QI_UQIP(mp)) { | |
365 | XFS_PURGE_INODE(XFS_QI_UQIP(mp)); | |
366 | XFS_QI_UQIP(mp) = NULL; | |
367 | } | |
c8ad20ff | 368 | if ((dqtype & (XFS_QMOPT_GQUOTA|XFS_QMOPT_PQUOTA)) && XFS_QI_GQIP(mp)) { |
1da177e4 LT |
369 | XFS_PURGE_INODE(XFS_QI_GQIP(mp)); |
370 | XFS_QI_GQIP(mp) = NULL; | |
371 | } | |
cb6edc26 | 372 | out_error: |
1da177e4 LT |
373 | mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); |
374 | ||
375 | return (error); | |
376 | } | |
377 | ||
378 | STATIC int | |
379 | xfs_qm_scall_trunc_qfiles( | |
380 | xfs_mount_t *mp, | |
381 | uint flags) | |
382 | { | |
88ab0208 | 383 | int error = 0, error2 = 0; |
1da177e4 LT |
384 | xfs_inode_t *qip; |
385 | ||
386 | if (!capable(CAP_SYS_ADMIN)) | |
387 | return XFS_ERROR(EPERM); | |
62118709 | 388 | if (!xfs_sb_version_hasquota(&mp->m_sb) || flags == 0) { |
1da177e4 LT |
389 | qdprintk("qtrunc flags=%x m_qflags=%x\n", flags, mp->m_qflags); |
390 | return XFS_ERROR(EINVAL); | |
391 | } | |
392 | ||
393 | if ((flags & XFS_DQ_USER) && mp->m_sb.sb_uquotino != NULLFSINO) { | |
394 | error = xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, 0, 0, &qip, 0); | |
88ab0208 DC |
395 | if (!error) { |
396 | error = xfs_truncate_file(mp, qip); | |
43355099 | 397 | IRELE(qip); |
1da177e4 LT |
398 | } |
399 | } | |
400 | ||
c8ad20ff NS |
401 | if ((flags & (XFS_DQ_GROUP|XFS_DQ_PROJ)) && |
402 | mp->m_sb.sb_gquotino != NULLFSINO) { | |
88ab0208 DC |
403 | error2 = xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, 0, 0, &qip, 0); |
404 | if (!error2) { | |
405 | error2 = xfs_truncate_file(mp, qip); | |
43355099 | 406 | IRELE(qip); |
1da177e4 LT |
407 | } |
408 | } | |
409 | ||
88ab0208 | 410 | return error ? error : error2; |
1da177e4 LT |
411 | } |
412 | ||
413 | ||
414 | /* | |
415 | * Switch on (a given) quota enforcement for a filesystem. This takes | |
416 | * effect immediately. | |
417 | * (Switching on quota accounting must be done at mount time.) | |
418 | */ | |
419 | STATIC int | |
420 | xfs_qm_scall_quotaon( | |
421 | xfs_mount_t *mp, | |
422 | uint flags) | |
423 | { | |
424 | int error; | |
1da177e4 LT |
425 | uint qf; |
426 | uint accflags; | |
427 | __int64_t sbflags; | |
428 | ||
429 | if (!capable(CAP_SYS_ADMIN)) | |
430 | return XFS_ERROR(EPERM); | |
431 | ||
432 | flags &= (XFS_ALL_QUOTA_ACCT | XFS_ALL_QUOTA_ENFD); | |
433 | /* | |
434 | * Switching on quota accounting must be done at mount time. | |
435 | */ | |
436 | accflags = flags & XFS_ALL_QUOTA_ACCT; | |
437 | flags &= ~(XFS_ALL_QUOTA_ACCT); | |
438 | ||
439 | sbflags = 0; | |
440 | ||
441 | if (flags == 0) { | |
442 | qdprintk("quotaon: zero flags, m_qflags=%x\n", mp->m_qflags); | |
443 | return XFS_ERROR(EINVAL); | |
444 | } | |
445 | ||
446 | /* No fs can turn on quotas with a delayed effect */ | |
447 | ASSERT((flags & XFS_ALL_QUOTA_ACCT) == 0); | |
448 | ||
449 | /* | |
450 | * Can't enforce without accounting. We check the superblock | |
451 | * qflags here instead of m_qflags because rootfs can have | |
452 | * quota acct on ondisk without m_qflags' knowing. | |
453 | */ | |
454 | if (((flags & XFS_UQUOTA_ACCT) == 0 && | |
455 | (mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) == 0 && | |
456 | (flags & XFS_UQUOTA_ENFD)) | |
457 | || | |
c8ad20ff NS |
458 | ((flags & XFS_PQUOTA_ACCT) == 0 && |
459 | (mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) == 0 && | |
424ea91b | 460 | (flags & XFS_GQUOTA_ACCT) == 0 && |
1da177e4 | 461 | (mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) == 0 && |
c8ad20ff | 462 | (flags & XFS_OQUOTA_ENFD))) { |
1da177e4 LT |
463 | qdprintk("Can't enforce without acct, flags=%x sbflags=%x\n", |
464 | flags, mp->m_sb.sb_qflags); | |
465 | return XFS_ERROR(EINVAL); | |
466 | } | |
467 | /* | |
468 | * If everything's upto-date incore, then don't waste time. | |
469 | */ | |
470 | if ((mp->m_qflags & flags) == flags) | |
471 | return XFS_ERROR(EEXIST); | |
472 | ||
473 | /* | |
474 | * Change sb_qflags on disk but not incore mp->qflags | |
475 | * if this is the root filesystem. | |
476 | */ | |
3685c2a1 | 477 | spin_lock(&mp->m_sb_lock); |
1da177e4 LT |
478 | qf = mp->m_sb.sb_qflags; |
479 | mp->m_sb.sb_qflags = qf | flags; | |
3685c2a1 | 480 | spin_unlock(&mp->m_sb_lock); |
1da177e4 LT |
481 | |
482 | /* | |
483 | * There's nothing to change if it's the same. | |
484 | */ | |
485 | if ((qf & flags) == flags && sbflags == 0) | |
486 | return XFS_ERROR(EEXIST); | |
487 | sbflags |= XFS_SB_QFLAGS; | |
488 | ||
489 | if ((error = xfs_qm_write_sb_changes(mp, sbflags))) | |
490 | return (error); | |
491 | /* | |
492 | * If we aren't trying to switch on quota enforcement, we are done. | |
493 | */ | |
494 | if (((mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) != | |
495 | (mp->m_qflags & XFS_UQUOTA_ACCT)) || | |
c8ad20ff NS |
496 | ((mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) != |
497 | (mp->m_qflags & XFS_PQUOTA_ACCT)) || | |
498 | ((mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) != | |
499 | (mp->m_qflags & XFS_GQUOTA_ACCT)) || | |
1da177e4 LT |
500 | (flags & XFS_ALL_QUOTA_ENFD) == 0) |
501 | return (0); | |
502 | ||
503 | if (! XFS_IS_QUOTA_RUNNING(mp)) | |
504 | return XFS_ERROR(ESRCH); | |
505 | ||
506 | /* | |
507 | * Switch on quota enforcement in core. | |
508 | */ | |
794ee1ba | 509 | mutex_lock(&(XFS_QI_QOFFLOCK(mp))); |
1da177e4 LT |
510 | mp->m_qflags |= (flags & XFS_ALL_QUOTA_ENFD); |
511 | mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); | |
512 | ||
513 | return (0); | |
514 | } | |
515 | ||
516 | ||
1da177e4 LT |
517 | /* |
518 | * Return quota status information, such as uquota-off, enforcements, etc. | |
519 | */ | |
520 | STATIC int | |
521 | xfs_qm_scall_getqstat( | |
522 | xfs_mount_t *mp, | |
523 | fs_quota_stat_t *out) | |
524 | { | |
525 | xfs_inode_t *uip, *gip; | |
526 | boolean_t tempuqip, tempgqip; | |
527 | ||
528 | uip = gip = NULL; | |
529 | tempuqip = tempgqip = B_FALSE; | |
530 | memset(out, 0, sizeof(fs_quota_stat_t)); | |
531 | ||
532 | out->qs_version = FS_QSTAT_VERSION; | |
62118709 | 533 | if (!xfs_sb_version_hasquota(&mp->m_sb)) { |
1da177e4 LT |
534 | out->qs_uquota.qfs_ino = NULLFSINO; |
535 | out->qs_gquota.qfs_ino = NULLFSINO; | |
536 | return (0); | |
537 | } | |
538 | out->qs_flags = (__uint16_t) xfs_qm_export_flags(mp->m_qflags & | |
539 | (XFS_ALL_QUOTA_ACCT| | |
540 | XFS_ALL_QUOTA_ENFD)); | |
541 | out->qs_pad = 0; | |
542 | out->qs_uquota.qfs_ino = mp->m_sb.sb_uquotino; | |
543 | out->qs_gquota.qfs_ino = mp->m_sb.sb_gquotino; | |
544 | ||
545 | if (mp->m_quotainfo) { | |
546 | uip = mp->m_quotainfo->qi_uquotaip; | |
547 | gip = mp->m_quotainfo->qi_gquotaip; | |
548 | } | |
549 | if (!uip && mp->m_sb.sb_uquotino != NULLFSINO) { | |
550 | if (xfs_iget(mp, NULL, mp->m_sb.sb_uquotino, | |
551 | 0, 0, &uip, 0) == 0) | |
552 | tempuqip = B_TRUE; | |
553 | } | |
554 | if (!gip && mp->m_sb.sb_gquotino != NULLFSINO) { | |
555 | if (xfs_iget(mp, NULL, mp->m_sb.sb_gquotino, | |
556 | 0, 0, &gip, 0) == 0) | |
557 | tempgqip = B_TRUE; | |
558 | } | |
559 | if (uip) { | |
560 | out->qs_uquota.qfs_nblks = uip->i_d.di_nblocks; | |
561 | out->qs_uquota.qfs_nextents = uip->i_d.di_nextents; | |
562 | if (tempuqip) | |
43355099 | 563 | IRELE(uip); |
1da177e4 LT |
564 | } |
565 | if (gip) { | |
566 | out->qs_gquota.qfs_nblks = gip->i_d.di_nblocks; | |
567 | out->qs_gquota.qfs_nextents = gip->i_d.di_nextents; | |
568 | if (tempgqip) | |
43355099 | 569 | IRELE(gip); |
1da177e4 LT |
570 | } |
571 | if (mp->m_quotainfo) { | |
572 | out->qs_incoredqs = XFS_QI_MPLNDQUOTS(mp); | |
573 | out->qs_btimelimit = XFS_QI_BTIMELIMIT(mp); | |
574 | out->qs_itimelimit = XFS_QI_ITIMELIMIT(mp); | |
575 | out->qs_rtbtimelimit = XFS_QI_RTBTIMELIMIT(mp); | |
576 | out->qs_bwarnlimit = XFS_QI_BWARNLIMIT(mp); | |
577 | out->qs_iwarnlimit = XFS_QI_IWARNLIMIT(mp); | |
578 | } | |
579 | return (0); | |
580 | } | |
581 | ||
582 | /* | |
583 | * Adjust quota limits, and start/stop timers accordingly. | |
584 | */ | |
585 | STATIC int | |
586 | xfs_qm_scall_setqlim( | |
587 | xfs_mount_t *mp, | |
588 | xfs_dqid_t id, | |
589 | uint type, | |
590 | fs_disk_quota_t *newlim) | |
591 | { | |
592 | xfs_disk_dquot_t *ddq; | |
593 | xfs_dquot_t *dqp; | |
594 | xfs_trans_t *tp; | |
595 | int error; | |
596 | xfs_qcnt_t hard, soft; | |
597 | ||
598 | if (!capable(CAP_SYS_ADMIN)) | |
599 | return XFS_ERROR(EPERM); | |
600 | ||
754002b4 NS |
601 | if ((newlim->d_fieldmask & |
602 | (FS_DQ_LIMIT_MASK|FS_DQ_TIMER_MASK|FS_DQ_WARNS_MASK)) == 0) | |
1da177e4 LT |
603 | return (0); |
604 | ||
605 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SETQLIM); | |
606 | if ((error = xfs_trans_reserve(tp, 0, sizeof(xfs_disk_dquot_t) + 128, | |
607 | 0, 0, XFS_DEFAULT_LOG_COUNT))) { | |
608 | xfs_trans_cancel(tp, 0); | |
609 | return (error); | |
610 | } | |
611 | ||
612 | /* | |
613 | * We don't want to race with a quotaoff so take the quotaoff lock. | |
614 | * (We don't hold an inode lock, so there's nothing else to stop | |
615 | * a quotaoff from happening). (XXXThis doesn't currently happen | |
616 | * because we take the vfslock before calling xfs_qm_sysent). | |
617 | */ | |
794ee1ba | 618 | mutex_lock(&(XFS_QI_QOFFLOCK(mp))); |
1da177e4 LT |
619 | |
620 | /* | |
621 | * Get the dquot (locked), and join it to the transaction. | |
622 | * Allocate the dquot if this doesn't exist. | |
623 | */ | |
624 | if ((error = xfs_qm_dqget(mp, NULL, id, type, XFS_QMOPT_DQALLOC, &dqp))) { | |
625 | xfs_trans_cancel(tp, XFS_TRANS_ABORT); | |
626 | mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); | |
627 | ASSERT(error != ENOENT); | |
628 | return (error); | |
629 | } | |
630 | xfs_dqtrace_entry(dqp, "Q_SETQLIM: AFT DQGET"); | |
631 | xfs_trans_dqjoin(tp, dqp); | |
632 | ddq = &dqp->q_core; | |
633 | ||
634 | /* | |
635 | * Make sure that hardlimits are >= soft limits before changing. | |
636 | */ | |
637 | hard = (newlim->d_fieldmask & FS_DQ_BHARD) ? | |
638 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_hardlimit) : | |
1149d96a | 639 | be64_to_cpu(ddq->d_blk_hardlimit); |
1da177e4 LT |
640 | soft = (newlim->d_fieldmask & FS_DQ_BSOFT) ? |
641 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_blk_softlimit) : | |
1149d96a | 642 | be64_to_cpu(ddq->d_blk_softlimit); |
1da177e4 | 643 | if (hard == 0 || hard >= soft) { |
1149d96a CH |
644 | ddq->d_blk_hardlimit = cpu_to_be64(hard); |
645 | ddq->d_blk_softlimit = cpu_to_be64(soft); | |
1da177e4 LT |
646 | if (id == 0) { |
647 | mp->m_quotainfo->qi_bhardlimit = hard; | |
648 | mp->m_quotainfo->qi_bsoftlimit = soft; | |
649 | } | |
650 | } else { | |
651 | qdprintk("blkhard %Ld < blksoft %Ld\n", hard, soft); | |
652 | } | |
653 | hard = (newlim->d_fieldmask & FS_DQ_RTBHARD) ? | |
654 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_rtb_hardlimit) : | |
1149d96a | 655 | be64_to_cpu(ddq->d_rtb_hardlimit); |
1da177e4 LT |
656 | soft = (newlim->d_fieldmask & FS_DQ_RTBSOFT) ? |
657 | (xfs_qcnt_t) XFS_BB_TO_FSB(mp, newlim->d_rtb_softlimit) : | |
1149d96a | 658 | be64_to_cpu(ddq->d_rtb_softlimit); |
1da177e4 | 659 | if (hard == 0 || hard >= soft) { |
1149d96a CH |
660 | ddq->d_rtb_hardlimit = cpu_to_be64(hard); |
661 | ddq->d_rtb_softlimit = cpu_to_be64(soft); | |
1da177e4 LT |
662 | if (id == 0) { |
663 | mp->m_quotainfo->qi_rtbhardlimit = hard; | |
664 | mp->m_quotainfo->qi_rtbsoftlimit = soft; | |
665 | } | |
666 | } else { | |
667 | qdprintk("rtbhard %Ld < rtbsoft %Ld\n", hard, soft); | |
668 | } | |
669 | ||
670 | hard = (newlim->d_fieldmask & FS_DQ_IHARD) ? | |
671 | (xfs_qcnt_t) newlim->d_ino_hardlimit : | |
1149d96a | 672 | be64_to_cpu(ddq->d_ino_hardlimit); |
1da177e4 LT |
673 | soft = (newlim->d_fieldmask & FS_DQ_ISOFT) ? |
674 | (xfs_qcnt_t) newlim->d_ino_softlimit : | |
1149d96a | 675 | be64_to_cpu(ddq->d_ino_softlimit); |
1da177e4 | 676 | if (hard == 0 || hard >= soft) { |
1149d96a CH |
677 | ddq->d_ino_hardlimit = cpu_to_be64(hard); |
678 | ddq->d_ino_softlimit = cpu_to_be64(soft); | |
1da177e4 LT |
679 | if (id == 0) { |
680 | mp->m_quotainfo->qi_ihardlimit = hard; | |
681 | mp->m_quotainfo->qi_isoftlimit = soft; | |
682 | } | |
683 | } else { | |
684 | qdprintk("ihard %Ld < isoft %Ld\n", hard, soft); | |
685 | } | |
686 | ||
754002b4 NS |
687 | /* |
688 | * Update warnings counter(s) if requested | |
689 | */ | |
690 | if (newlim->d_fieldmask & FS_DQ_BWARNS) | |
1149d96a | 691 | ddq->d_bwarns = cpu_to_be16(newlim->d_bwarns); |
754002b4 | 692 | if (newlim->d_fieldmask & FS_DQ_IWARNS) |
1149d96a | 693 | ddq->d_iwarns = cpu_to_be16(newlim->d_iwarns); |
754002b4 | 694 | if (newlim->d_fieldmask & FS_DQ_RTBWARNS) |
1149d96a | 695 | ddq->d_rtbwarns = cpu_to_be16(newlim->d_rtbwarns); |
754002b4 | 696 | |
1da177e4 LT |
697 | if (id == 0) { |
698 | /* | |
699 | * Timelimits for the super user set the relative time | |
700 | * the other users can be over quota for this file system. | |
701 | * If it is zero a default is used. Ditto for the default | |
754002b4 NS |
702 | * soft and hard limit values (already done, above), and |
703 | * for warnings. | |
1da177e4 LT |
704 | */ |
705 | if (newlim->d_fieldmask & FS_DQ_BTIMER) { | |
706 | mp->m_quotainfo->qi_btimelimit = newlim->d_btimer; | |
1149d96a | 707 | ddq->d_btimer = cpu_to_be32(newlim->d_btimer); |
1da177e4 LT |
708 | } |
709 | if (newlim->d_fieldmask & FS_DQ_ITIMER) { | |
710 | mp->m_quotainfo->qi_itimelimit = newlim->d_itimer; | |
1149d96a | 711 | ddq->d_itimer = cpu_to_be32(newlim->d_itimer); |
1da177e4 LT |
712 | } |
713 | if (newlim->d_fieldmask & FS_DQ_RTBTIMER) { | |
714 | mp->m_quotainfo->qi_rtbtimelimit = newlim->d_rtbtimer; | |
1149d96a | 715 | ddq->d_rtbtimer = cpu_to_be32(newlim->d_rtbtimer); |
1da177e4 | 716 | } |
754002b4 NS |
717 | if (newlim->d_fieldmask & FS_DQ_BWARNS) |
718 | mp->m_quotainfo->qi_bwarnlimit = newlim->d_bwarns; | |
719 | if (newlim->d_fieldmask & FS_DQ_IWARNS) | |
720 | mp->m_quotainfo->qi_iwarnlimit = newlim->d_iwarns; | |
721 | if (newlim->d_fieldmask & FS_DQ_RTBWARNS) | |
722 | mp->m_quotainfo->qi_rtbwarnlimit = newlim->d_rtbwarns; | |
723 | } else { | |
1da177e4 LT |
724 | /* |
725 | * If the user is now over quota, start the timelimit. | |
726 | * The user will not be 'warned'. | |
727 | * Note that we keep the timers ticking, whether enforcement | |
728 | * is on or off. We don't really want to bother with iterating | |
729 | * over all ondisk dquots and turning the timers on/off. | |
730 | */ | |
731 | xfs_qm_adjust_dqtimers(mp, ddq); | |
732 | } | |
733 | dqp->dq_flags |= XFS_DQ_DIRTY; | |
734 | xfs_trans_log_dquot(tp, dqp); | |
735 | ||
736 | xfs_dqtrace_entry(dqp, "Q_SETQLIM: COMMIT"); | |
1c72bf90 | 737 | xfs_trans_commit(tp, 0); |
1da177e4 LT |
738 | xfs_qm_dqprint(dqp); |
739 | xfs_qm_dqrele(dqp); | |
740 | mutex_unlock(&(XFS_QI_QOFFLOCK(mp))); | |
741 | ||
742 | return (0); | |
743 | } | |
744 | ||
745 | STATIC int | |
746 | xfs_qm_scall_getquota( | |
747 | xfs_mount_t *mp, | |
748 | xfs_dqid_t id, | |
749 | uint type, | |
750 | fs_disk_quota_t *out) | |
751 | { | |
752 | xfs_dquot_t *dqp; | |
753 | int error; | |
754 | ||
755 | /* | |
756 | * Try to get the dquot. We don't want it allocated on disk, so | |
757 | * we aren't passing the XFS_QMOPT_DOALLOC flag. If it doesn't | |
758 | * exist, we'll get ENOENT back. | |
759 | */ | |
760 | if ((error = xfs_qm_dqget(mp, NULL, id, type, 0, &dqp))) { | |
761 | return (error); | |
762 | } | |
763 | ||
764 | xfs_dqtrace_entry(dqp, "Q_GETQUOTA SUCCESS"); | |
765 | /* | |
766 | * If everything's NULL, this dquot doesn't quite exist as far as | |
767 | * our utility programs are concerned. | |
768 | */ | |
769 | if (XFS_IS_DQUOT_UNINITIALIZED(dqp)) { | |
770 | xfs_qm_dqput(dqp); | |
771 | return XFS_ERROR(ENOENT); | |
772 | } | |
773 | /* xfs_qm_dqprint(dqp); */ | |
774 | /* | |
775 | * Convert the disk dquot to the exportable format | |
776 | */ | |
777 | xfs_qm_export_dquot(mp, &dqp->q_core, out); | |
778 | xfs_qm_dqput(dqp); | |
779 | return (error ? XFS_ERROR(EFAULT) : 0); | |
780 | } | |
781 | ||
782 | ||
783 | STATIC int | |
784 | xfs_qm_log_quotaoff_end( | |
785 | xfs_mount_t *mp, | |
786 | xfs_qoff_logitem_t *startqoff, | |
787 | uint flags) | |
788 | { | |
c8ad20ff | 789 | xfs_trans_t *tp; |
1da177e4 | 790 | int error; |
c8ad20ff | 791 | xfs_qoff_logitem_t *qoffi; |
1da177e4 LT |
792 | |
793 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF_END); | |
794 | ||
795 | if ((error = xfs_trans_reserve(tp, 0, sizeof(xfs_qoff_logitem_t) * 2, | |
796 | 0, 0, XFS_DEFAULT_LOG_COUNT))) { | |
797 | xfs_trans_cancel(tp, 0); | |
798 | return (error); | |
799 | } | |
800 | ||
801 | qoffi = xfs_trans_get_qoff_item(tp, startqoff, | |
802 | flags & XFS_ALL_QUOTA_ACCT); | |
803 | xfs_trans_log_quotaoff_item(tp, qoffi); | |
804 | ||
805 | /* | |
806 | * We have to make sure that the transaction is secure on disk before we | |
807 | * return and actually stop quota accounting. So, make it synchronous. | |
808 | * We don't care about quotoff's performance. | |
809 | */ | |
810 | xfs_trans_set_sync(tp); | |
1c72bf90 | 811 | error = xfs_trans_commit(tp, 0); |
1da177e4 LT |
812 | return (error); |
813 | } | |
814 | ||
815 | ||
816 | STATIC int | |
817 | xfs_qm_log_quotaoff( | |
818 | xfs_mount_t *mp, | |
819 | xfs_qoff_logitem_t **qoffstartp, | |
820 | uint flags) | |
821 | { | |
822 | xfs_trans_t *tp; | |
823 | int error; | |
1da177e4 LT |
824 | xfs_qoff_logitem_t *qoffi=NULL; |
825 | uint oldsbqflag=0; | |
826 | ||
827 | tp = xfs_trans_alloc(mp, XFS_TRANS_QM_QUOTAOFF); | |
828 | if ((error = xfs_trans_reserve(tp, 0, | |
829 | sizeof(xfs_qoff_logitem_t) * 2 + | |
830 | mp->m_sb.sb_sectsize + 128, | |
831 | 0, | |
832 | 0, | |
833 | XFS_DEFAULT_LOG_COUNT))) { | |
834 | goto error0; | |
835 | } | |
836 | ||
837 | qoffi = xfs_trans_get_qoff_item(tp, NULL, flags & XFS_ALL_QUOTA_ACCT); | |
838 | xfs_trans_log_quotaoff_item(tp, qoffi); | |
839 | ||
3685c2a1 | 840 | spin_lock(&mp->m_sb_lock); |
1da177e4 LT |
841 | oldsbqflag = mp->m_sb.sb_qflags; |
842 | mp->m_sb.sb_qflags = (mp->m_qflags & ~(flags)) & XFS_MOUNT_QUOTA_ALL; | |
3685c2a1 | 843 | spin_unlock(&mp->m_sb_lock); |
1da177e4 LT |
844 | |
845 | xfs_mod_sb(tp, XFS_SB_QFLAGS); | |
846 | ||
847 | /* | |
848 | * We have to make sure that the transaction is secure on disk before we | |
849 | * return and actually stop quota accounting. So, make it synchronous. | |
850 | * We don't care about quotoff's performance. | |
851 | */ | |
852 | xfs_trans_set_sync(tp); | |
1c72bf90 | 853 | error = xfs_trans_commit(tp, 0); |
1da177e4 LT |
854 | |
855 | error0: | |
856 | if (error) { | |
857 | xfs_trans_cancel(tp, 0); | |
858 | /* | |
859 | * No one else is modifying sb_qflags, so this is OK. | |
860 | * We still hold the quotaofflock. | |
861 | */ | |
3685c2a1 | 862 | spin_lock(&mp->m_sb_lock); |
1da177e4 | 863 | mp->m_sb.sb_qflags = oldsbqflag; |
3685c2a1 | 864 | spin_unlock(&mp->m_sb_lock); |
1da177e4 LT |
865 | } |
866 | *qoffstartp = qoffi; | |
867 | return (error); | |
868 | } | |
869 | ||
870 | ||
871 | /* | |
872 | * Translate an internal style on-disk-dquot to the exportable format. | |
873 | * The main differences are that the counters/limits are all in Basic | |
874 | * Blocks (BBs) instead of the internal FSBs, and all on-disk data has | |
875 | * to be converted to the native endianness. | |
876 | */ | |
877 | STATIC void | |
878 | xfs_qm_export_dquot( | |
879 | xfs_mount_t *mp, | |
880 | xfs_disk_dquot_t *src, | |
881 | struct fs_disk_quota *dst) | |
882 | { | |
883 | memset(dst, 0, sizeof(*dst)); | |
884 | dst->d_version = FS_DQUOT_VERSION; /* different from src->d_version */ | |
1149d96a CH |
885 | dst->d_flags = xfs_qm_export_qtype_flags(src->d_flags); |
886 | dst->d_id = be32_to_cpu(src->d_id); | |
887 | dst->d_blk_hardlimit = | |
888 | XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_blk_hardlimit)); | |
889 | dst->d_blk_softlimit = | |
890 | XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_blk_softlimit)); | |
891 | dst->d_ino_hardlimit = be64_to_cpu(src->d_ino_hardlimit); | |
892 | dst->d_ino_softlimit = be64_to_cpu(src->d_ino_softlimit); | |
893 | dst->d_bcount = XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_bcount)); | |
894 | dst->d_icount = be64_to_cpu(src->d_icount); | |
895 | dst->d_btimer = be32_to_cpu(src->d_btimer); | |
896 | dst->d_itimer = be32_to_cpu(src->d_itimer); | |
897 | dst->d_iwarns = be16_to_cpu(src->d_iwarns); | |
898 | dst->d_bwarns = be16_to_cpu(src->d_bwarns); | |
899 | dst->d_rtb_hardlimit = | |
900 | XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_rtb_hardlimit)); | |
901 | dst->d_rtb_softlimit = | |
902 | XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_rtb_softlimit)); | |
903 | dst->d_rtbcount = XFS_FSB_TO_BB(mp, be64_to_cpu(src->d_rtbcount)); | |
904 | dst->d_rtbtimer = be32_to_cpu(src->d_rtbtimer); | |
905 | dst->d_rtbwarns = be16_to_cpu(src->d_rtbwarns); | |
1da177e4 LT |
906 | |
907 | /* | |
908 | * Internally, we don't reset all the timers when quota enforcement | |
c41564b5 | 909 | * gets turned off. No need to confuse the user level code, |
1da177e4 LT |
910 | * so return zeroes in that case. |
911 | */ | |
e6d29426 KO |
912 | if ((!XFS_IS_UQUOTA_ENFORCED(mp) && src->d_flags == XFS_DQ_USER) || |
913 | (!XFS_IS_OQUOTA_ENFORCED(mp) && | |
914 | (src->d_flags & (XFS_DQ_PROJ | XFS_DQ_GROUP)))) { | |
1da177e4 LT |
915 | dst->d_btimer = 0; |
916 | dst->d_itimer = 0; | |
917 | dst->d_rtbtimer = 0; | |
918 | } | |
919 | ||
920 | #ifdef DEBUG | |
e6d29426 KO |
921 | if (((XFS_IS_UQUOTA_ENFORCED(mp) && dst->d_flags == XFS_USER_QUOTA) || |
922 | (XFS_IS_OQUOTA_ENFORCED(mp) && | |
923 | (dst->d_flags & (XFS_PROJ_QUOTA | XFS_GROUP_QUOTA)))) && | |
924 | dst->d_id != 0) { | |
1da177e4 LT |
925 | if (((int) dst->d_bcount >= (int) dst->d_blk_softlimit) && |
926 | (dst->d_blk_softlimit > 0)) { | |
927 | ASSERT(dst->d_btimer != 0); | |
928 | } | |
929 | if (((int) dst->d_icount >= (int) dst->d_ino_softlimit) && | |
930 | (dst->d_ino_softlimit > 0)) { | |
931 | ASSERT(dst->d_itimer != 0); | |
932 | } | |
933 | } | |
934 | #endif | |
935 | } | |
936 | ||
937 | STATIC uint | |
938 | xfs_qm_import_qtype_flags( | |
c8ad20ff | 939 | uint uflags) |
1da177e4 | 940 | { |
c8ad20ff NS |
941 | uint oflags = 0; |
942 | ||
1da177e4 | 943 | /* |
c8ad20ff | 944 | * Can't be more than one, or none. |
1da177e4 LT |
945 | */ |
946 | if (((uflags & (XFS_GROUP_QUOTA | XFS_USER_QUOTA)) == | |
c8ad20ff NS |
947 | (XFS_GROUP_QUOTA | XFS_USER_QUOTA)) || |
948 | ((uflags & (XFS_GROUP_QUOTA | XFS_PROJ_QUOTA)) == | |
949 | (XFS_GROUP_QUOTA | XFS_PROJ_QUOTA)) || | |
950 | ((uflags & (XFS_USER_QUOTA | XFS_PROJ_QUOTA)) == | |
951 | (XFS_USER_QUOTA | XFS_PROJ_QUOTA)) || | |
952 | ((uflags & (XFS_GROUP_QUOTA|XFS_USER_QUOTA|XFS_PROJ_QUOTA)) == 0)) | |
1da177e4 LT |
953 | return (0); |
954 | ||
c8ad20ff NS |
955 | oflags |= (uflags & XFS_USER_QUOTA) ? XFS_DQ_USER : 0; |
956 | oflags |= (uflags & XFS_PROJ_QUOTA) ? XFS_DQ_PROJ : 0; | |
957 | oflags |= (uflags & XFS_GROUP_QUOTA) ? XFS_DQ_GROUP: 0; | |
958 | return oflags; | |
1da177e4 LT |
959 | } |
960 | ||
961 | STATIC uint | |
962 | xfs_qm_export_qtype_flags( | |
963 | uint flags) | |
964 | { | |
965 | /* | |
c8ad20ff | 966 | * Can't be more than one, or none. |
1da177e4 | 967 | */ |
c8ad20ff NS |
968 | ASSERT((flags & (XFS_PROJ_QUOTA | XFS_USER_QUOTA)) != |
969 | (XFS_PROJ_QUOTA | XFS_USER_QUOTA)); | |
970 | ASSERT((flags & (XFS_PROJ_QUOTA | XFS_GROUP_QUOTA)) != | |
971 | (XFS_PROJ_QUOTA | XFS_GROUP_QUOTA)); | |
972 | ASSERT((flags & (XFS_USER_QUOTA | XFS_GROUP_QUOTA)) != | |
973 | (XFS_USER_QUOTA | XFS_GROUP_QUOTA)); | |
974 | ASSERT((flags & (XFS_PROJ_QUOTA|XFS_USER_QUOTA|XFS_GROUP_QUOTA)) != 0); | |
1da177e4 LT |
975 | |
976 | return (flags & XFS_DQ_USER) ? | |
c8ad20ff NS |
977 | XFS_USER_QUOTA : (flags & XFS_DQ_PROJ) ? |
978 | XFS_PROJ_QUOTA : XFS_GROUP_QUOTA; | |
1da177e4 LT |
979 | } |
980 | ||
981 | STATIC uint | |
982 | xfs_qm_import_flags( | |
983 | uint uflags) | |
984 | { | |
985 | uint flags = 0; | |
986 | ||
987 | if (uflags & XFS_QUOTA_UDQ_ACCT) | |
988 | flags |= XFS_UQUOTA_ACCT; | |
c8ad20ff NS |
989 | if (uflags & XFS_QUOTA_PDQ_ACCT) |
990 | flags |= XFS_PQUOTA_ACCT; | |
1da177e4 LT |
991 | if (uflags & XFS_QUOTA_GDQ_ACCT) |
992 | flags |= XFS_GQUOTA_ACCT; | |
993 | if (uflags & XFS_QUOTA_UDQ_ENFD) | |
994 | flags |= XFS_UQUOTA_ENFD; | |
c8ad20ff NS |
995 | if (uflags & (XFS_QUOTA_PDQ_ENFD|XFS_QUOTA_GDQ_ENFD)) |
996 | flags |= XFS_OQUOTA_ENFD; | |
1da177e4 LT |
997 | return (flags); |
998 | } | |
999 | ||
1000 | ||
1001 | STATIC uint | |
1002 | xfs_qm_export_flags( | |
1003 | uint flags) | |
1004 | { | |
1005 | uint uflags; | |
1006 | ||
1007 | uflags = 0; | |
1008 | if (flags & XFS_UQUOTA_ACCT) | |
1009 | uflags |= XFS_QUOTA_UDQ_ACCT; | |
c8ad20ff NS |
1010 | if (flags & XFS_PQUOTA_ACCT) |
1011 | uflags |= XFS_QUOTA_PDQ_ACCT; | |
1da177e4 LT |
1012 | if (flags & XFS_GQUOTA_ACCT) |
1013 | uflags |= XFS_QUOTA_GDQ_ACCT; | |
1014 | if (flags & XFS_UQUOTA_ENFD) | |
1015 | uflags |= XFS_QUOTA_UDQ_ENFD; | |
c8ad20ff NS |
1016 | if (flags & (XFS_OQUOTA_ENFD)) { |
1017 | uflags |= (flags & XFS_GQUOTA_ACCT) ? | |
1018 | XFS_QUOTA_GDQ_ENFD : XFS_QUOTA_PDQ_ENFD; | |
1019 | } | |
1da177e4 LT |
1020 | return (uflags); |
1021 | } | |
1022 | ||
1023 | ||
1024 | /* | |
1025 | * Go thru all the inodes in the file system, releasing their dquots. | |
1026 | * Note that the mount structure gets modified to indicate that quotas are off | |
1027 | * AFTER this, in the case of quotaoff. This also gets called from | |
1028 | * xfs_rootumount. | |
1029 | */ | |
1030 | void | |
1031 | xfs_qm_dqrele_all_inodes( | |
1032 | struct xfs_mount *mp, | |
1033 | uint flags) | |
1034 | { | |
1da177e4 LT |
1035 | xfs_inode_t *ip, *topino; |
1036 | uint ireclaims; | |
67fcaa73 | 1037 | bhv_vnode_t *vp; |
1da177e4 LT |
1038 | boolean_t vnode_refd; |
1039 | ||
1040 | ASSERT(mp->m_quotainfo); | |
1041 | ||
1da177e4 | 1042 | XFS_MOUNT_ILOCK(mp); |
cdb62687 | 1043 | again: |
1da177e4 LT |
1044 | ip = mp->m_inodes; |
1045 | if (ip == NULL) { | |
1046 | XFS_MOUNT_IUNLOCK(mp); | |
1047 | return; | |
1048 | } | |
1049 | do { | |
1050 | /* Skip markers inserted by xfs_sync */ | |
1051 | if (ip->i_mount == NULL) { | |
1052 | ip = ip->i_mnext; | |
1053 | continue; | |
1054 | } | |
1055 | /* Root inode, rbmip and rsumip have associated blocks */ | |
1056 | if (ip == XFS_QI_UQIP(mp) || ip == XFS_QI_GQIP(mp)) { | |
1057 | ASSERT(ip->i_udquot == NULL); | |
1058 | ASSERT(ip->i_gdquot == NULL); | |
1059 | ip = ip->i_mnext; | |
1060 | continue; | |
1061 | } | |
1062 | vp = XFS_ITOV_NULL(ip); | |
1063 | if (!vp) { | |
1064 | ASSERT(ip->i_udquot == NULL); | |
1065 | ASSERT(ip->i_gdquot == NULL); | |
1066 | ip = ip->i_mnext; | |
1067 | continue; | |
1068 | } | |
1069 | vnode_refd = B_FALSE; | |
1070 | if (xfs_ilock_nowait(ip, XFS_ILOCK_EXCL) == 0) { | |
1da177e4 LT |
1071 | ireclaims = mp->m_ireclaims; |
1072 | topino = mp->m_inodes; | |
cdb62687 CH |
1073 | vp = vn_grab(vp); |
1074 | if (!vp) | |
1075 | goto again; | |
1da177e4 | 1076 | |
cdb62687 | 1077 | XFS_MOUNT_IUNLOCK(mp); |
1da177e4 | 1078 | /* XXX restart limit ? */ |
1da177e4 LT |
1079 | xfs_ilock(ip, XFS_ILOCK_EXCL); |
1080 | vnode_refd = B_TRUE; | |
1081 | } else { | |
1082 | ireclaims = mp->m_ireclaims; | |
1083 | topino = mp->m_inodes; | |
1084 | XFS_MOUNT_IUNLOCK(mp); | |
1085 | } | |
1086 | ||
1087 | /* | |
1088 | * We don't keep the mountlock across the dqrele() call, | |
1089 | * since it can take a while.. | |
1090 | */ | |
1091 | if ((flags & XFS_UQUOTA_ACCT) && ip->i_udquot) { | |
1092 | xfs_qm_dqrele(ip->i_udquot); | |
1093 | ip->i_udquot = NULL; | |
1094 | } | |
c8ad20ff | 1095 | if (flags & (XFS_PQUOTA_ACCT|XFS_GQUOTA_ACCT) && ip->i_gdquot) { |
1da177e4 LT |
1096 | xfs_qm_dqrele(ip->i_gdquot); |
1097 | ip->i_gdquot = NULL; | |
1098 | } | |
1099 | xfs_iunlock(ip, XFS_ILOCK_EXCL); | |
1100 | /* | |
1101 | * Wait until we've dropped the ilock and mountlock to | |
1102 | * do the vn_rele. Or be condemned to an eternity in the | |
1103 | * inactive code in hell. | |
1104 | */ | |
1105 | if (vnode_refd) | |
43355099 | 1106 | IRELE(ip); |
1da177e4 LT |
1107 | XFS_MOUNT_ILOCK(mp); |
1108 | /* | |
1109 | * If an inode was inserted or removed, we gotta | |
1110 | * start over again. | |
1111 | */ | |
1112 | if (topino != mp->m_inodes || mp->m_ireclaims != ireclaims) { | |
1113 | /* XXX use a sentinel */ | |
1da177e4 LT |
1114 | goto again; |
1115 | } | |
1116 | ip = ip->i_mnext; | |
1117 | } while (ip != mp->m_inodes); | |
1118 | ||
1119 | XFS_MOUNT_IUNLOCK(mp); | |
1120 | } | |
1121 | ||
1122 | /*------------------------------------------------------------------------*/ | |
1123 | #ifdef DEBUG | |
1124 | /* | |
1125 | * This contains all the test functions for XFS disk quotas. | |
1126 | * Currently it does a quota accounting check. ie. it walks through | |
1127 | * all inodes in the file system, calculating the dquot accounting fields, | |
1128 | * and prints out any inconsistencies. | |
1129 | */ | |
1130 | xfs_dqhash_t *qmtest_udqtab; | |
1131 | xfs_dqhash_t *qmtest_gdqtab; | |
1132 | int qmtest_hashmask; | |
1133 | int qmtest_nfails; | |
1134 | mutex_t qcheck_lock; | |
1135 | ||
1136 | #define DQTEST_HASHVAL(mp, id) (((__psunsigned_t)(mp) + \ | |
1137 | (__psunsigned_t)(id)) & \ | |
1138 | (qmtest_hashmask - 1)) | |
1139 | ||
1140 | #define DQTEST_HASH(mp, id, type) ((type & XFS_DQ_USER) ? \ | |
1141 | (qmtest_udqtab + \ | |
1142 | DQTEST_HASHVAL(mp, id)) : \ | |
1143 | (qmtest_gdqtab + \ | |
1144 | DQTEST_HASHVAL(mp, id))) | |
1145 | ||
1146 | #define DQTEST_LIST_PRINT(l, NXT, title) \ | |
1147 | { \ | |
1148 | xfs_dqtest_t *dqp; int i = 0;\ | |
1149 | cmn_err(CE_DEBUG, "%s (#%d)", title, (int) (l)->qh_nelems); \ | |
1150 | for (dqp = (xfs_dqtest_t *)(l)->qh_next; dqp != NULL; \ | |
1151 | dqp = (xfs_dqtest_t *)dqp->NXT) { \ | |
1152 | cmn_err(CE_DEBUG, " %d. \"%d (%s)\" bcnt = %d, icnt = %d", \ | |
1153 | ++i, dqp->d_id, DQFLAGTO_TYPESTR(dqp), \ | |
1154 | dqp->d_bcount, dqp->d_icount); } \ | |
1155 | } | |
1156 | ||
1157 | typedef struct dqtest { | |
1158 | xfs_dqmarker_t q_lists; | |
1159 | xfs_dqhash_t *q_hash; /* the hashchain header */ | |
1160 | xfs_mount_t *q_mount; /* filesystem this relates to */ | |
1161 | xfs_dqid_t d_id; /* user id or group id */ | |
1162 | xfs_qcnt_t d_bcount; /* # disk blocks owned by the user */ | |
1163 | xfs_qcnt_t d_icount; /* # inodes owned by the user */ | |
1164 | } xfs_dqtest_t; | |
1165 | ||
1166 | STATIC void | |
1167 | xfs_qm_hashinsert(xfs_dqhash_t *h, xfs_dqtest_t *dqp) | |
1168 | { | |
1169 | xfs_dquot_t *d; | |
1170 | if (((d) = (h)->qh_next)) | |
1171 | (d)->HL_PREVP = &((dqp)->HL_NEXT); | |
1172 | (dqp)->HL_NEXT = d; | |
1173 | (dqp)->HL_PREVP = &((h)->qh_next); | |
1174 | (h)->qh_next = (xfs_dquot_t *)dqp; | |
1175 | (h)->qh_version++; | |
1176 | (h)->qh_nelems++; | |
1177 | } | |
1178 | STATIC void | |
1179 | xfs_qm_dqtest_print( | |
1180 | xfs_dqtest_t *d) | |
1181 | { | |
1182 | cmn_err(CE_DEBUG, "-----------DQTEST DQUOT----------------"); | |
1183 | cmn_err(CE_DEBUG, "---- dquot ID = %d", d->d_id); | |
1da177e4 LT |
1184 | cmn_err(CE_DEBUG, "---- fs = 0x%p", d->q_mount); |
1185 | cmn_err(CE_DEBUG, "---- bcount = %Lu (0x%x)", | |
1186 | d->d_bcount, (int)d->d_bcount); | |
1187 | cmn_err(CE_DEBUG, "---- icount = %Lu (0x%x)", | |
1188 | d->d_icount, (int)d->d_icount); | |
1189 | cmn_err(CE_DEBUG, "---------------------------"); | |
1190 | } | |
1191 | ||
1192 | STATIC void | |
1193 | xfs_qm_dqtest_failed( | |
1194 | xfs_dqtest_t *d, | |
1195 | xfs_dquot_t *dqp, | |
1196 | char *reason, | |
1197 | xfs_qcnt_t a, | |
1198 | xfs_qcnt_t b, | |
1199 | int error) | |
1200 | { | |
1201 | qmtest_nfails++; | |
1202 | if (error) | |
1203 | cmn_err(CE_DEBUG, "quotacheck failed id=%d, err=%d\nreason: %s", | |
1149d96a | 1204 | d->d_id, error, reason); |
1da177e4 LT |
1205 | else |
1206 | cmn_err(CE_DEBUG, "quotacheck failed id=%d (%s) [%d != %d]", | |
1149d96a | 1207 | d->d_id, reason, (int)a, (int)b); |
1da177e4 LT |
1208 | xfs_qm_dqtest_print(d); |
1209 | if (dqp) | |
1210 | xfs_qm_dqprint(dqp); | |
1211 | } | |
1212 | ||
1213 | STATIC int | |
1214 | xfs_dqtest_cmp2( | |
1215 | xfs_dqtest_t *d, | |
1216 | xfs_dquot_t *dqp) | |
1217 | { | |
1218 | int err = 0; | |
1149d96a | 1219 | if (be64_to_cpu(dqp->q_core.d_icount) != d->d_icount) { |
1da177e4 | 1220 | xfs_qm_dqtest_failed(d, dqp, "icount mismatch", |
1149d96a | 1221 | be64_to_cpu(dqp->q_core.d_icount), |
1da177e4 LT |
1222 | d->d_icount, 0); |
1223 | err++; | |
1224 | } | |
1149d96a | 1225 | if (be64_to_cpu(dqp->q_core.d_bcount) != d->d_bcount) { |
1da177e4 | 1226 | xfs_qm_dqtest_failed(d, dqp, "bcount mismatch", |
1149d96a | 1227 | be64_to_cpu(dqp->q_core.d_bcount), |
1da177e4 LT |
1228 | d->d_bcount, 0); |
1229 | err++; | |
1230 | } | |
1149d96a CH |
1231 | if (dqp->q_core.d_blk_softlimit && |
1232 | be64_to_cpu(dqp->q_core.d_bcount) >= | |
1233 | be64_to_cpu(dqp->q_core.d_blk_softlimit)) { | |
1da177e4 LT |
1234 | if (!dqp->q_core.d_btimer && dqp->q_core.d_id) { |
1235 | cmn_err(CE_DEBUG, | |
1236 | "%d [%s] [0x%p] BLK TIMER NOT STARTED", | |
1237 | d->d_id, DQFLAGTO_TYPESTR(d), d->q_mount); | |
1238 | err++; | |
1239 | } | |
1240 | } | |
1149d96a CH |
1241 | if (dqp->q_core.d_ino_softlimit && |
1242 | be64_to_cpu(dqp->q_core.d_icount) >= | |
1243 | be64_to_cpu(dqp->q_core.d_ino_softlimit)) { | |
1da177e4 LT |
1244 | if (!dqp->q_core.d_itimer && dqp->q_core.d_id) { |
1245 | cmn_err(CE_DEBUG, | |
1246 | "%d [%s] [0x%p] INO TIMER NOT STARTED", | |
1247 | d->d_id, DQFLAGTO_TYPESTR(d), d->q_mount); | |
1248 | err++; | |
1249 | } | |
1250 | } | |
1251 | #ifdef QUOTADEBUG | |
1252 | if (!err) { | |
1253 | cmn_err(CE_DEBUG, "%d [%s] [0x%p] qchecked", | |
c8ad20ff | 1254 | d->d_id, DQFLAGTO_TYPESTR(d), d->q_mount); |
1da177e4 LT |
1255 | } |
1256 | #endif | |
1257 | return (err); | |
1258 | } | |
1259 | ||
1260 | STATIC void | |
1261 | xfs_dqtest_cmp( | |
1262 | xfs_dqtest_t *d) | |
1263 | { | |
1264 | xfs_dquot_t *dqp; | |
1265 | int error; | |
1266 | ||
1267 | /* xfs_qm_dqtest_print(d); */ | |
1268 | if ((error = xfs_qm_dqget(d->q_mount, NULL, d->d_id, d->dq_flags, 0, | |
1269 | &dqp))) { | |
1270 | xfs_qm_dqtest_failed(d, NULL, "dqget failed", 0, 0, error); | |
1271 | return; | |
1272 | } | |
1273 | xfs_dqtest_cmp2(d, dqp); | |
1274 | xfs_qm_dqput(dqp); | |
1275 | } | |
1276 | ||
1277 | STATIC int | |
1278 | xfs_qm_internalqcheck_dqget( | |
1279 | xfs_mount_t *mp, | |
1280 | xfs_dqid_t id, | |
1281 | uint type, | |
1282 | xfs_dqtest_t **O_dq) | |
1283 | { | |
1284 | xfs_dqtest_t *d; | |
1285 | xfs_dqhash_t *h; | |
1286 | ||
1287 | h = DQTEST_HASH(mp, id, type); | |
1288 | for (d = (xfs_dqtest_t *) h->qh_next; d != NULL; | |
1289 | d = (xfs_dqtest_t *) d->HL_NEXT) { | |
1290 | /* DQTEST_LIST_PRINT(h, HL_NEXT, "@@@@@ dqtestlist @@@@@"); */ | |
1291 | if (d->d_id == id && mp == d->q_mount) { | |
1292 | *O_dq = d; | |
1293 | return (0); | |
1294 | } | |
1295 | } | |
1296 | d = kmem_zalloc(sizeof(xfs_dqtest_t), KM_SLEEP); | |
1297 | d->dq_flags = type; | |
1298 | d->d_id = id; | |
1299 | d->q_mount = mp; | |
1300 | d->q_hash = h; | |
1301 | xfs_qm_hashinsert(h, d); | |
1302 | *O_dq = d; | |
1303 | return (0); | |
1304 | } | |
1305 | ||
1306 | STATIC void | |
1307 | xfs_qm_internalqcheck_get_dquots( | |
1308 | xfs_mount_t *mp, | |
1309 | xfs_dqid_t uid, | |
c8ad20ff | 1310 | xfs_dqid_t projid, |
1da177e4 LT |
1311 | xfs_dqid_t gid, |
1312 | xfs_dqtest_t **ud, | |
1313 | xfs_dqtest_t **gd) | |
1314 | { | |
1315 | if (XFS_IS_UQUOTA_ON(mp)) | |
1316 | xfs_qm_internalqcheck_dqget(mp, uid, XFS_DQ_USER, ud); | |
1317 | if (XFS_IS_GQUOTA_ON(mp)) | |
1318 | xfs_qm_internalqcheck_dqget(mp, gid, XFS_DQ_GROUP, gd); | |
c8ad20ff NS |
1319 | else if (XFS_IS_PQUOTA_ON(mp)) |
1320 | xfs_qm_internalqcheck_dqget(mp, projid, XFS_DQ_PROJ, gd); | |
1da177e4 LT |
1321 | } |
1322 | ||
1323 | ||
1324 | STATIC void | |
1325 | xfs_qm_internalqcheck_dqadjust( | |
1326 | xfs_inode_t *ip, | |
1327 | xfs_dqtest_t *d) | |
1328 | { | |
1329 | d->d_icount++; | |
1330 | d->d_bcount += (xfs_qcnt_t)ip->i_d.di_nblocks; | |
1331 | } | |
1332 | ||
1333 | STATIC int | |
1334 | xfs_qm_internalqcheck_adjust( | |
1335 | xfs_mount_t *mp, /* mount point for filesystem */ | |
1336 | xfs_ino_t ino, /* inode number to get data for */ | |
1337 | void __user *buffer, /* not used */ | |
1338 | int ubsize, /* not used */ | |
1339 | void *private_data, /* not used */ | |
1340 | xfs_daddr_t bno, /* starting block of inode cluster */ | |
1341 | int *ubused, /* not used */ | |
1342 | void *dip, /* not used */ | |
1343 | int *res) /* bulkstat result code */ | |
1344 | { | |
1345 | xfs_inode_t *ip; | |
1346 | xfs_dqtest_t *ud, *gd; | |
1347 | uint lock_flags; | |
1348 | boolean_t ipreleased; | |
1349 | int error; | |
1350 | ||
1351 | ASSERT(XFS_IS_QUOTA_RUNNING(mp)); | |
1352 | ||
1353 | if (ino == mp->m_sb.sb_uquotino || ino == mp->m_sb.sb_gquotino) { | |
1354 | *res = BULKSTAT_RV_NOTHING; | |
1355 | qdprintk("internalqcheck: ino=%llu, uqino=%llu, gqino=%llu\n", | |
1356 | (unsigned long long) ino, | |
1357 | (unsigned long long) mp->m_sb.sb_uquotino, | |
1358 | (unsigned long long) mp->m_sb.sb_gquotino); | |
1359 | return XFS_ERROR(EINVAL); | |
1360 | } | |
1361 | ipreleased = B_FALSE; | |
1362 | again: | |
1363 | lock_flags = XFS_ILOCK_SHARED; | |
1364 | if ((error = xfs_iget(mp, NULL, ino, 0, lock_flags, &ip, bno))) { | |
1365 | *res = BULKSTAT_RV_NOTHING; | |
1366 | return (error); | |
1367 | } | |
1368 | ||
1369 | if (ip->i_d.di_mode == 0) { | |
1370 | xfs_iput_new(ip, lock_flags); | |
1371 | *res = BULKSTAT_RV_NOTHING; | |
1372 | return XFS_ERROR(ENOENT); | |
1373 | } | |
1374 | ||
1375 | /* | |
1376 | * This inode can have blocks after eof which can get released | |
1377 | * when we send it to inactive. Since we don't check the dquot | |
1378 | * until the after all our calculations are done, we must get rid | |
1379 | * of those now. | |
1380 | */ | |
1381 | if (! ipreleased) { | |
1382 | xfs_iput(ip, lock_flags); | |
1383 | ipreleased = B_TRUE; | |
1384 | goto again; | |
1385 | } | |
1386 | xfs_qm_internalqcheck_get_dquots(mp, | |
1387 | (xfs_dqid_t) ip->i_d.di_uid, | |
c8ad20ff | 1388 | (xfs_dqid_t) ip->i_d.di_projid, |
1da177e4 LT |
1389 | (xfs_dqid_t) ip->i_d.di_gid, |
1390 | &ud, &gd); | |
1391 | if (XFS_IS_UQUOTA_ON(mp)) { | |
1392 | ASSERT(ud); | |
1393 | xfs_qm_internalqcheck_dqadjust(ip, ud); | |
1394 | } | |
c8ad20ff | 1395 | if (XFS_IS_OQUOTA_ON(mp)) { |
1da177e4 LT |
1396 | ASSERT(gd); |
1397 | xfs_qm_internalqcheck_dqadjust(ip, gd); | |
1398 | } | |
1399 | xfs_iput(ip, lock_flags); | |
1400 | *res = BULKSTAT_RV_DIDONE; | |
1401 | return (0); | |
1402 | } | |
1403 | ||
1404 | ||
1405 | /* PRIVATE, debugging */ | |
1406 | int | |
1407 | xfs_qm_internalqcheck( | |
1408 | xfs_mount_t *mp) | |
1409 | { | |
1410 | xfs_ino_t lastino; | |
1411 | int done, count; | |
1412 | int i; | |
1413 | xfs_dqtest_t *d, *e; | |
1414 | xfs_dqhash_t *h1; | |
1415 | int error; | |
1416 | ||
1417 | lastino = 0; | |
1418 | qmtest_hashmask = 32; | |
1419 | count = 5; | |
1420 | done = 0; | |
1421 | qmtest_nfails = 0; | |
1422 | ||
1423 | if (! XFS_IS_QUOTA_ON(mp)) | |
1424 | return XFS_ERROR(ESRCH); | |
1425 | ||
1426 | xfs_log_force(mp, (xfs_lsn_t)0, XFS_LOG_FORCE | XFS_LOG_SYNC); | |
1427 | XFS_bflush(mp->m_ddev_targp); | |
1428 | xfs_log_force(mp, (xfs_lsn_t)0, XFS_LOG_FORCE | XFS_LOG_SYNC); | |
1429 | XFS_bflush(mp->m_ddev_targp); | |
1430 | ||
794ee1ba | 1431 | mutex_lock(&qcheck_lock); |
1da177e4 LT |
1432 | /* There should be absolutely no quota activity while this |
1433 | is going on. */ | |
1434 | qmtest_udqtab = kmem_zalloc(qmtest_hashmask * | |
1435 | sizeof(xfs_dqhash_t), KM_SLEEP); | |
1436 | qmtest_gdqtab = kmem_zalloc(qmtest_hashmask * | |
1437 | sizeof(xfs_dqhash_t), KM_SLEEP); | |
1438 | do { | |
1439 | /* | |
1440 | * Iterate thru all the inodes in the file system, | |
1441 | * adjusting the corresponding dquot counters | |
1442 | */ | |
1443 | if ((error = xfs_bulkstat(mp, &lastino, &count, | |
1444 | xfs_qm_internalqcheck_adjust, NULL, | |
1445 | 0, NULL, BULKSTAT_FG_IGET, &done))) { | |
1446 | break; | |
1447 | } | |
1448 | } while (! done); | |
1449 | if (error) { | |
1450 | cmn_err(CE_DEBUG, "Bulkstat returned error 0x%x", error); | |
1451 | } | |
1452 | cmn_err(CE_DEBUG, "Checking results against system dquots"); | |
1453 | for (i = 0; i < qmtest_hashmask; i++) { | |
1454 | h1 = &qmtest_udqtab[i]; | |
1455 | for (d = (xfs_dqtest_t *) h1->qh_next; d != NULL; ) { | |
1456 | xfs_dqtest_cmp(d); | |
1457 | e = (xfs_dqtest_t *) d->HL_NEXT; | |
1458 | kmem_free(d, sizeof(xfs_dqtest_t)); | |
1459 | d = e; | |
1460 | } | |
1461 | h1 = &qmtest_gdqtab[i]; | |
1462 | for (d = (xfs_dqtest_t *) h1->qh_next; d != NULL; ) { | |
1463 | xfs_dqtest_cmp(d); | |
1464 | e = (xfs_dqtest_t *) d->HL_NEXT; | |
1465 | kmem_free(d, sizeof(xfs_dqtest_t)); | |
1466 | d = e; | |
1467 | } | |
1468 | } | |
1469 | ||
1470 | if (qmtest_nfails) { | |
1471 | cmn_err(CE_DEBUG, "******** quotacheck failed ********"); | |
1472 | cmn_err(CE_DEBUG, "failures = %d", qmtest_nfails); | |
1473 | } else { | |
1474 | cmn_err(CE_DEBUG, "******** quotacheck successful! ********"); | |
1475 | } | |
1476 | kmem_free(qmtest_udqtab, qmtest_hashmask * sizeof(xfs_dqhash_t)); | |
1477 | kmem_free(qmtest_gdqtab, qmtest_hashmask * sizeof(xfs_dqhash_t)); | |
1478 | mutex_unlock(&qcheck_lock); | |
1479 | return (qmtest_nfails); | |
1480 | } | |
1481 | ||
1482 | #endif /* DEBUG */ |