Loading...
1/*
2 * Copyright (c) 2000-2003 Silicon Graphics, Inc.
3 * All Rights Reserved.
4 *
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
7 * published by the Free Software Foundation.
8 *
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.
13 *
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
17 */
18#include "xfs.h"
19#include "xfs_fs.h"
20#include "xfs_format.h"
21#include "xfs_log_format.h"
22#include "xfs_trans_resv.h"
23#include "xfs_sb.h"
24#include "xfs_ag.h"
25#include "xfs_mount.h"
26#include "xfs_inode.h"
27#include "xfs_quota.h"
28#include "xfs_error.h"
29#include "xfs_trans.h"
30#include "xfs_buf_item.h"
31#include "xfs_trans_priv.h"
32#include "xfs_qm.h"
33#include "xfs_log.h"
34
35static inline struct xfs_dq_logitem *DQUOT_ITEM(struct xfs_log_item *lip)
36{
37 return container_of(lip, struct xfs_dq_logitem, qli_item);
38}
39
40/*
41 * returns the number of iovecs needed to log the given dquot item.
42 */
43STATIC void
44xfs_qm_dquot_logitem_size(
45 struct xfs_log_item *lip,
46 int *nvecs,
47 int *nbytes)
48{
49 *nvecs += 2;
50 *nbytes += sizeof(struct xfs_dq_logformat) +
51 sizeof(struct xfs_disk_dquot);
52}
53
54/*
55 * fills in the vector of log iovecs for the given dquot log item.
56 */
57STATIC void
58xfs_qm_dquot_logitem_format(
59 struct xfs_log_item *lip,
60 struct xfs_log_vec *lv)
61{
62 struct xfs_dq_logitem *qlip = DQUOT_ITEM(lip);
63 struct xfs_log_iovec *vecp = NULL;
64 struct xfs_dq_logformat *qlf;
65
66 qlf = xlog_prepare_iovec(lv, &vecp, XLOG_REG_TYPE_QFORMAT);
67 qlf->qlf_type = XFS_LI_DQUOT;
68 qlf->qlf_size = 2;
69 qlf->qlf_id = be32_to_cpu(qlip->qli_dquot->q_core.d_id);
70 qlf->qlf_blkno = qlip->qli_dquot->q_blkno;
71 qlf->qlf_len = 1;
72 qlf->qlf_boffset = qlip->qli_dquot->q_bufoffset;
73 xlog_finish_iovec(lv, vecp, sizeof(struct xfs_dq_logformat));
74
75 xlog_copy_iovec(lv, &vecp, XLOG_REG_TYPE_DQUOT,
76 &qlip->qli_dquot->q_core,
77 sizeof(struct xfs_disk_dquot));
78}
79
80/*
81 * Increment the pin count of the given dquot.
82 */
83STATIC void
84xfs_qm_dquot_logitem_pin(
85 struct xfs_log_item *lip)
86{
87 struct xfs_dquot *dqp = DQUOT_ITEM(lip)->qli_dquot;
88
89 ASSERT(XFS_DQ_IS_LOCKED(dqp));
90 atomic_inc(&dqp->q_pincount);
91}
92
93/*
94 * Decrement the pin count of the given dquot, and wake up
95 * anyone in xfs_dqwait_unpin() if the count goes to 0. The
96 * dquot must have been previously pinned with a call to
97 * xfs_qm_dquot_logitem_pin().
98 */
99STATIC void
100xfs_qm_dquot_logitem_unpin(
101 struct xfs_log_item *lip,
102 int remove)
103{
104 struct xfs_dquot *dqp = DQUOT_ITEM(lip)->qli_dquot;
105
106 ASSERT(atomic_read(&dqp->q_pincount) > 0);
107 if (atomic_dec_and_test(&dqp->q_pincount))
108 wake_up(&dqp->q_pinwait);
109}
110
111STATIC xfs_lsn_t
112xfs_qm_dquot_logitem_committed(
113 struct xfs_log_item *lip,
114 xfs_lsn_t lsn)
115{
116 /*
117 * We always re-log the entire dquot when it becomes dirty,
118 * so, the latest copy _is_ the only one that matters.
119 */
120 return lsn;
121}
122
123/*
124 * This is called to wait for the given dquot to be unpinned.
125 * Most of these pin/unpin routines are plagiarized from inode code.
126 */
127void
128xfs_qm_dqunpin_wait(
129 struct xfs_dquot *dqp)
130{
131 ASSERT(XFS_DQ_IS_LOCKED(dqp));
132 if (atomic_read(&dqp->q_pincount) == 0)
133 return;
134
135 /*
136 * Give the log a push so we don't wait here too long.
137 */
138 xfs_log_force(dqp->q_mount, 0);
139 wait_event(dqp->q_pinwait, (atomic_read(&dqp->q_pincount) == 0));
140}
141
142STATIC uint
143xfs_qm_dquot_logitem_push(
144 struct xfs_log_item *lip,
145 struct list_head *buffer_list) __releases(&lip->li_ailp->xa_lock)
146 __acquires(&lip->li_ailp->xa_lock)
147{
148 struct xfs_dquot *dqp = DQUOT_ITEM(lip)->qli_dquot;
149 struct xfs_buf *bp = NULL;
150 uint rval = XFS_ITEM_SUCCESS;
151 int error;
152
153 if (atomic_read(&dqp->q_pincount) > 0)
154 return XFS_ITEM_PINNED;
155
156 if (!xfs_dqlock_nowait(dqp))
157 return XFS_ITEM_LOCKED;
158
159 /*
160 * Re-check the pincount now that we stabilized the value by
161 * taking the quota lock.
162 */
163 if (atomic_read(&dqp->q_pincount) > 0) {
164 rval = XFS_ITEM_PINNED;
165 goto out_unlock;
166 }
167
168 /*
169 * Someone else is already flushing the dquot. Nothing we can do
170 * here but wait for the flush to finish and remove the item from
171 * the AIL.
172 */
173 if (!xfs_dqflock_nowait(dqp)) {
174 rval = XFS_ITEM_FLUSHING;
175 goto out_unlock;
176 }
177
178 spin_unlock(&lip->li_ailp->xa_lock);
179
180 error = xfs_qm_dqflush(dqp, &bp);
181 if (error) {
182 xfs_warn(dqp->q_mount, "%s: push error %d on dqp %p",
183 __func__, error, dqp);
184 } else {
185 if (!xfs_buf_delwri_queue(bp, buffer_list))
186 rval = XFS_ITEM_FLUSHING;
187 xfs_buf_relse(bp);
188 }
189
190 spin_lock(&lip->li_ailp->xa_lock);
191out_unlock:
192 xfs_dqunlock(dqp);
193 return rval;
194}
195
196/*
197 * Unlock the dquot associated with the log item.
198 * Clear the fields of the dquot and dquot log item that
199 * are specific to the current transaction. If the
200 * hold flags is set, do not unlock the dquot.
201 */
202STATIC void
203xfs_qm_dquot_logitem_unlock(
204 struct xfs_log_item *lip)
205{
206 struct xfs_dquot *dqp = DQUOT_ITEM(lip)->qli_dquot;
207
208 ASSERT(XFS_DQ_IS_LOCKED(dqp));
209
210 /*
211 * Clear the transaction pointer in the dquot
212 */
213 dqp->q_transp = NULL;
214
215 /*
216 * dquots are never 'held' from getting unlocked at the end of
217 * a transaction. Their locking and unlocking is hidden inside the
218 * transaction layer, within trans_commit. Hence, no LI_HOLD flag
219 * for the logitem.
220 */
221 xfs_dqunlock(dqp);
222}
223
224/*
225 * this needs to stamp an lsn into the dquot, I think.
226 * rpc's that look at user dquot's would then have to
227 * push on the dependency recorded in the dquot
228 */
229STATIC void
230xfs_qm_dquot_logitem_committing(
231 struct xfs_log_item *lip,
232 xfs_lsn_t lsn)
233{
234}
235
236/*
237 * This is the ops vector for dquots
238 */
239static const struct xfs_item_ops xfs_dquot_item_ops = {
240 .iop_size = xfs_qm_dquot_logitem_size,
241 .iop_format = xfs_qm_dquot_logitem_format,
242 .iop_pin = xfs_qm_dquot_logitem_pin,
243 .iop_unpin = xfs_qm_dquot_logitem_unpin,
244 .iop_unlock = xfs_qm_dquot_logitem_unlock,
245 .iop_committed = xfs_qm_dquot_logitem_committed,
246 .iop_push = xfs_qm_dquot_logitem_push,
247 .iop_committing = xfs_qm_dquot_logitem_committing
248};
249
250/*
251 * Initialize the dquot log item for a newly allocated dquot.
252 * The dquot isn't locked at this point, but it isn't on any of the lists
253 * either, so we don't care.
254 */
255void
256xfs_qm_dquot_logitem_init(
257 struct xfs_dquot *dqp)
258{
259 struct xfs_dq_logitem *lp = &dqp->q_logitem;
260
261 xfs_log_item_init(dqp->q_mount, &lp->qli_item, XFS_LI_DQUOT,
262 &xfs_dquot_item_ops);
263 lp->qli_dquot = dqp;
264}
265
266/*------------------ QUOTAOFF LOG ITEMS -------------------*/
267
268static inline struct xfs_qoff_logitem *QOFF_ITEM(struct xfs_log_item *lip)
269{
270 return container_of(lip, struct xfs_qoff_logitem, qql_item);
271}
272
273
274/*
275 * This returns the number of iovecs needed to log the given quotaoff item.
276 * We only need 1 iovec for an quotaoff item. It just logs the
277 * quotaoff_log_format structure.
278 */
279STATIC void
280xfs_qm_qoff_logitem_size(
281 struct xfs_log_item *lip,
282 int *nvecs,
283 int *nbytes)
284{
285 *nvecs += 1;
286 *nbytes += sizeof(struct xfs_qoff_logitem);
287}
288
289STATIC void
290xfs_qm_qoff_logitem_format(
291 struct xfs_log_item *lip,
292 struct xfs_log_vec *lv)
293{
294 struct xfs_qoff_logitem *qflip = QOFF_ITEM(lip);
295 struct xfs_log_iovec *vecp = NULL;
296 struct xfs_qoff_logformat *qlf;
297
298 qlf = xlog_prepare_iovec(lv, &vecp, XLOG_REG_TYPE_QUOTAOFF);
299 qlf->qf_type = XFS_LI_QUOTAOFF;
300 qlf->qf_size = 1;
301 qlf->qf_flags = qflip->qql_flags;
302 xlog_finish_iovec(lv, vecp, sizeof(struct xfs_qoff_logitem));
303}
304
305/*
306 * Pinning has no meaning for an quotaoff item, so just return.
307 */
308STATIC void
309xfs_qm_qoff_logitem_pin(
310 struct xfs_log_item *lip)
311{
312}
313
314/*
315 * Since pinning has no meaning for an quotaoff item, unpinning does
316 * not either.
317 */
318STATIC void
319xfs_qm_qoff_logitem_unpin(
320 struct xfs_log_item *lip,
321 int remove)
322{
323}
324
325/*
326 * There isn't much you can do to push a quotaoff item. It is simply
327 * stuck waiting for the log to be flushed to disk.
328 */
329STATIC uint
330xfs_qm_qoff_logitem_push(
331 struct xfs_log_item *lip,
332 struct list_head *buffer_list)
333{
334 return XFS_ITEM_LOCKED;
335}
336
337/*
338 * Quotaoff items have no locking or pushing, so return failure
339 * so that the caller doesn't bother with us.
340 */
341STATIC void
342xfs_qm_qoff_logitem_unlock(
343 struct xfs_log_item *lip)
344{
345}
346
347/*
348 * The quotaoff-start-item is logged only once and cannot be moved in the log,
349 * so simply return the lsn at which it's been logged.
350 */
351STATIC xfs_lsn_t
352xfs_qm_qoff_logitem_committed(
353 struct xfs_log_item *lip,
354 xfs_lsn_t lsn)
355{
356 return lsn;
357}
358
359STATIC xfs_lsn_t
360xfs_qm_qoffend_logitem_committed(
361 struct xfs_log_item *lip,
362 xfs_lsn_t lsn)
363{
364 struct xfs_qoff_logitem *qfe = QOFF_ITEM(lip);
365 struct xfs_qoff_logitem *qfs = qfe->qql_start_lip;
366 struct xfs_ail *ailp = qfs->qql_item.li_ailp;
367
368 /*
369 * Delete the qoff-start logitem from the AIL.
370 * xfs_trans_ail_delete() drops the AIL lock.
371 */
372 spin_lock(&ailp->xa_lock);
373 xfs_trans_ail_delete(ailp, &qfs->qql_item, SHUTDOWN_LOG_IO_ERROR);
374
375 kmem_free(qfs);
376 kmem_free(qfe);
377 return (xfs_lsn_t)-1;
378}
379
380/*
381 * XXX rcc - don't know quite what to do with this. I think we can
382 * just ignore it. The only time that isn't the case is if we allow
383 * the client to somehow see that quotas have been turned off in which
384 * we can't allow that to get back until the quotaoff hits the disk.
385 * So how would that happen? Also, do we need different routines for
386 * quotaoff start and quotaoff end? I suspect the answer is yes but
387 * to be sure, I need to look at the recovery code and see how quota off
388 * recovery is handled (do we roll forward or back or do something else).
389 * If we roll forwards or backwards, then we need two separate routines,
390 * one that does nothing and one that stamps in the lsn that matters
391 * (truly makes the quotaoff irrevocable). If we do something else,
392 * then maybe we don't need two.
393 */
394STATIC void
395xfs_qm_qoff_logitem_committing(
396 struct xfs_log_item *lip,
397 xfs_lsn_t commit_lsn)
398{
399}
400
401static const struct xfs_item_ops xfs_qm_qoffend_logitem_ops = {
402 .iop_size = xfs_qm_qoff_logitem_size,
403 .iop_format = xfs_qm_qoff_logitem_format,
404 .iop_pin = xfs_qm_qoff_logitem_pin,
405 .iop_unpin = xfs_qm_qoff_logitem_unpin,
406 .iop_unlock = xfs_qm_qoff_logitem_unlock,
407 .iop_committed = xfs_qm_qoffend_logitem_committed,
408 .iop_push = xfs_qm_qoff_logitem_push,
409 .iop_committing = xfs_qm_qoff_logitem_committing
410};
411
412/*
413 * This is the ops vector shared by all quotaoff-start log items.
414 */
415static const struct xfs_item_ops xfs_qm_qoff_logitem_ops = {
416 .iop_size = xfs_qm_qoff_logitem_size,
417 .iop_format = xfs_qm_qoff_logitem_format,
418 .iop_pin = xfs_qm_qoff_logitem_pin,
419 .iop_unpin = xfs_qm_qoff_logitem_unpin,
420 .iop_unlock = xfs_qm_qoff_logitem_unlock,
421 .iop_committed = xfs_qm_qoff_logitem_committed,
422 .iop_push = xfs_qm_qoff_logitem_push,
423 .iop_committing = xfs_qm_qoff_logitem_committing
424};
425
426/*
427 * Allocate and initialize an quotaoff item of the correct quota type(s).
428 */
429struct xfs_qoff_logitem *
430xfs_qm_qoff_logitem_init(
431 struct xfs_mount *mp,
432 struct xfs_qoff_logitem *start,
433 uint flags)
434{
435 struct xfs_qoff_logitem *qf;
436
437 qf = kmem_zalloc(sizeof(struct xfs_qoff_logitem), KM_SLEEP);
438
439 xfs_log_item_init(mp, &qf->qql_item, XFS_LI_QUOTAOFF, start ?
440 &xfs_qm_qoffend_logitem_ops : &xfs_qm_qoff_logitem_ops);
441 qf->qql_item.li_mountp = mp;
442 qf->qql_start_lip = start;
443 qf->qql_flags = flags;
444 return qf;
445}
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (c) 2000-2003 Silicon Graphics, Inc.
4 * All Rights Reserved.
5 */
6#include "xfs.h"
7#include "xfs_fs.h"
8#include "xfs_shared.h"
9#include "xfs_format.h"
10#include "xfs_log_format.h"
11#include "xfs_trans_resv.h"
12#include "xfs_mount.h"
13#include "xfs_inode.h"
14#include "xfs_quota.h"
15#include "xfs_trans.h"
16#include "xfs_buf_item.h"
17#include "xfs_trans_priv.h"
18#include "xfs_qm.h"
19#include "xfs_log.h"
20#include "xfs_error.h"
21
22static inline struct xfs_dq_logitem *DQUOT_ITEM(struct xfs_log_item *lip)
23{
24 return container_of(lip, struct xfs_dq_logitem, qli_item);
25}
26
27/*
28 * returns the number of iovecs needed to log the given dquot item.
29 */
30STATIC void
31xfs_qm_dquot_logitem_size(
32 struct xfs_log_item *lip,
33 int *nvecs,
34 int *nbytes)
35{
36 *nvecs += 2;
37 *nbytes += sizeof(struct xfs_dq_logformat) +
38 sizeof(struct xfs_disk_dquot);
39}
40
41/*
42 * fills in the vector of log iovecs for the given dquot log item.
43 */
44STATIC void
45xfs_qm_dquot_logitem_format(
46 struct xfs_log_item *lip,
47 struct xfs_log_vec *lv)
48{
49 struct xfs_disk_dquot ddq;
50 struct xfs_dq_logitem *qlip = DQUOT_ITEM(lip);
51 struct xfs_log_iovec *vecp = NULL;
52 struct xfs_dq_logformat *qlf;
53
54 qlf = xlog_prepare_iovec(lv, &vecp, XLOG_REG_TYPE_QFORMAT);
55 qlf->qlf_type = XFS_LI_DQUOT;
56 qlf->qlf_size = 2;
57 qlf->qlf_id = qlip->qli_dquot->q_id;
58 qlf->qlf_blkno = qlip->qli_dquot->q_blkno;
59 qlf->qlf_len = 1;
60 qlf->qlf_boffset = qlip->qli_dquot->q_bufoffset;
61 xlog_finish_iovec(lv, vecp, sizeof(struct xfs_dq_logformat));
62
63 xfs_dquot_to_disk(&ddq, qlip->qli_dquot);
64
65 xlog_copy_iovec(lv, &vecp, XLOG_REG_TYPE_DQUOT, &ddq,
66 sizeof(struct xfs_disk_dquot));
67}
68
69/*
70 * Increment the pin count of the given dquot.
71 */
72STATIC void
73xfs_qm_dquot_logitem_pin(
74 struct xfs_log_item *lip)
75{
76 struct xfs_dquot *dqp = DQUOT_ITEM(lip)->qli_dquot;
77
78 ASSERT(XFS_DQ_IS_LOCKED(dqp));
79 atomic_inc(&dqp->q_pincount);
80}
81
82/*
83 * Decrement the pin count of the given dquot, and wake up
84 * anyone in xfs_dqwait_unpin() if the count goes to 0. The
85 * dquot must have been previously pinned with a call to
86 * xfs_qm_dquot_logitem_pin().
87 */
88STATIC void
89xfs_qm_dquot_logitem_unpin(
90 struct xfs_log_item *lip,
91 int remove)
92{
93 struct xfs_dquot *dqp = DQUOT_ITEM(lip)->qli_dquot;
94
95 ASSERT(atomic_read(&dqp->q_pincount) > 0);
96 if (atomic_dec_and_test(&dqp->q_pincount))
97 wake_up(&dqp->q_pinwait);
98}
99
100/*
101 * This is called to wait for the given dquot to be unpinned.
102 * Most of these pin/unpin routines are plagiarized from inode code.
103 */
104void
105xfs_qm_dqunpin_wait(
106 struct xfs_dquot *dqp)
107{
108 ASSERT(XFS_DQ_IS_LOCKED(dqp));
109 if (atomic_read(&dqp->q_pincount) == 0)
110 return;
111
112 /*
113 * Give the log a push so we don't wait here too long.
114 */
115 xfs_log_force(dqp->q_mount, 0);
116 wait_event(dqp->q_pinwait, (atomic_read(&dqp->q_pincount) == 0));
117}
118
119STATIC uint
120xfs_qm_dquot_logitem_push(
121 struct xfs_log_item *lip,
122 struct list_head *buffer_list)
123 __releases(&lip->li_ailp->ail_lock)
124 __acquires(&lip->li_ailp->ail_lock)
125{
126 struct xfs_dq_logitem *qlip = DQUOT_ITEM(lip);
127 struct xfs_dquot *dqp = qlip->qli_dquot;
128 struct xfs_buf *bp;
129 uint rval = XFS_ITEM_SUCCESS;
130 int error;
131
132 if (atomic_read(&dqp->q_pincount) > 0)
133 return XFS_ITEM_PINNED;
134
135 if (!xfs_dqlock_nowait(dqp))
136 return XFS_ITEM_LOCKED;
137
138 /*
139 * Re-check the pincount now that we stabilized the value by
140 * taking the quota lock.
141 */
142 if (atomic_read(&dqp->q_pincount) > 0) {
143 rval = XFS_ITEM_PINNED;
144 goto out_unlock;
145 }
146
147 /*
148 * Someone else is already flushing the dquot. Nothing we can do
149 * here but wait for the flush to finish and remove the item from
150 * the AIL.
151 */
152 if (!xfs_dqflock_nowait(dqp)) {
153 rval = XFS_ITEM_FLUSHING;
154 goto out_unlock;
155 }
156
157 spin_unlock(&lip->li_ailp->ail_lock);
158
159 error = xfs_dquot_use_attached_buf(dqp, &bp);
160 if (error == -EAGAIN) {
161 xfs_dqfunlock(dqp);
162 rval = XFS_ITEM_LOCKED;
163 goto out_relock_ail;
164 }
165
166 /*
167 * dqflush completes dqflock on error, and the delwri ioend does it on
168 * success.
169 */
170 error = xfs_qm_dqflush(dqp, bp);
171 if (!error) {
172 if (!xfs_buf_delwri_queue(bp, buffer_list))
173 rval = XFS_ITEM_FLUSHING;
174 }
175 xfs_buf_relse(bp);
176
177out_relock_ail:
178 spin_lock(&lip->li_ailp->ail_lock);
179out_unlock:
180 xfs_dqunlock(dqp);
181 return rval;
182}
183
184STATIC void
185xfs_qm_dquot_logitem_release(
186 struct xfs_log_item *lip)
187{
188 struct xfs_dquot *dqp = DQUOT_ITEM(lip)->qli_dquot;
189
190 ASSERT(XFS_DQ_IS_LOCKED(dqp));
191
192 /*
193 * dquots are never 'held' from getting unlocked at the end of
194 * a transaction. Their locking and unlocking is hidden inside the
195 * transaction layer, within trans_commit. Hence, no LI_HOLD flag
196 * for the logitem.
197 */
198 xfs_dqunlock(dqp);
199}
200
201STATIC void
202xfs_qm_dquot_logitem_committing(
203 struct xfs_log_item *lip,
204 xfs_csn_t seq)
205{
206 return xfs_qm_dquot_logitem_release(lip);
207}
208
209#ifdef DEBUG_EXPENSIVE
210static void
211xfs_qm_dquot_logitem_precommit_check(
212 struct xfs_dquot *dqp)
213{
214 struct xfs_mount *mp = dqp->q_mount;
215 struct xfs_disk_dquot ddq = { };
216 xfs_failaddr_t fa;
217
218 xfs_dquot_to_disk(&ddq, dqp);
219 fa = xfs_dquot_verify(mp, &ddq, dqp->q_id);
220 if (fa) {
221 XFS_CORRUPTION_ERROR("Bad dquot during logging",
222 XFS_ERRLEVEL_LOW, mp, &ddq, sizeof(ddq));
223 xfs_alert(mp,
224 "Metadata corruption detected at %pS, dquot 0x%x",
225 fa, dqp->q_id);
226 xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
227 ASSERT(fa == NULL);
228 }
229}
230#else
231# define xfs_qm_dquot_logitem_precommit_check(...) ((void)0)
232#endif
233
234static int
235xfs_qm_dquot_logitem_precommit(
236 struct xfs_trans *tp,
237 struct xfs_log_item *lip)
238{
239 struct xfs_dq_logitem *qlip = DQUOT_ITEM(lip);
240 struct xfs_dquot *dqp = qlip->qli_dquot;
241
242 xfs_qm_dquot_logitem_precommit_check(dqp);
243
244 return xfs_dquot_attach_buf(tp, dqp);
245}
246
247static const struct xfs_item_ops xfs_dquot_item_ops = {
248 .iop_size = xfs_qm_dquot_logitem_size,
249 .iop_precommit = xfs_qm_dquot_logitem_precommit,
250 .iop_format = xfs_qm_dquot_logitem_format,
251 .iop_pin = xfs_qm_dquot_logitem_pin,
252 .iop_unpin = xfs_qm_dquot_logitem_unpin,
253 .iop_release = xfs_qm_dquot_logitem_release,
254 .iop_committing = xfs_qm_dquot_logitem_committing,
255 .iop_push = xfs_qm_dquot_logitem_push,
256};
257
258/*
259 * Initialize the dquot log item for a newly allocated dquot.
260 * The dquot isn't locked at this point, but it isn't on any of the lists
261 * either, so we don't care.
262 */
263void
264xfs_qm_dquot_logitem_init(
265 struct xfs_dquot *dqp)
266{
267 struct xfs_dq_logitem *lp = &dqp->q_logitem;
268
269 xfs_log_item_init(dqp->q_mount, &lp->qli_item, XFS_LI_DQUOT,
270 &xfs_dquot_item_ops);
271 spin_lock_init(&lp->qli_lock);
272 lp->qli_dquot = dqp;
273 lp->qli_dirty = false;
274}