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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_mount.h"
24#include "xfs_inode.h"
25#include "xfs_quota.h"
26#include "xfs_error.h"
27#include "xfs_trans.h"
28#include "xfs_buf_item.h"
29#include "xfs_trans_priv.h"
30#include "xfs_qm.h"
31#include "xfs_log.h"
32
33static inline struct xfs_dq_logitem *DQUOT_ITEM(struct xfs_log_item *lip)
34{
35 return container_of(lip, struct xfs_dq_logitem, qli_item);
36}
37
38
39
40
41STATIC void
42xfs_qm_dquot_logitem_size(
43 struct xfs_log_item *lip,
44 int *nvecs,
45 int *nbytes)
46{
47 *nvecs += 2;
48 *nbytes += sizeof(struct xfs_dq_logformat) +
49 sizeof(struct xfs_disk_dquot);
50}
51
52
53
54
55STATIC void
56xfs_qm_dquot_logitem_format(
57 struct xfs_log_item *lip,
58 struct xfs_log_vec *lv)
59{
60 struct xfs_dq_logitem *qlip = DQUOT_ITEM(lip);
61 struct xfs_log_iovec *vecp = NULL;
62 struct xfs_dq_logformat *qlf;
63
64 qlf = xlog_prepare_iovec(lv, &vecp, XLOG_REG_TYPE_QFORMAT);
65 qlf->qlf_type = XFS_LI_DQUOT;
66 qlf->qlf_size = 2;
67 qlf->qlf_id = be32_to_cpu(qlip->qli_dquot->q_core.d_id);
68 qlf->qlf_blkno = qlip->qli_dquot->q_blkno;
69 qlf->qlf_len = 1;
70 qlf->qlf_boffset = qlip->qli_dquot->q_bufoffset;
71 xlog_finish_iovec(lv, vecp, sizeof(struct xfs_dq_logformat));
72
73 xlog_copy_iovec(lv, &vecp, XLOG_REG_TYPE_DQUOT,
74 &qlip->qli_dquot->q_core,
75 sizeof(struct xfs_disk_dquot));
76}
77
78
79
80
81STATIC void
82xfs_qm_dquot_logitem_pin(
83 struct xfs_log_item *lip)
84{
85 struct xfs_dquot *dqp = DQUOT_ITEM(lip)->qli_dquot;
86
87 ASSERT(XFS_DQ_IS_LOCKED(dqp));
88 atomic_inc(&dqp->q_pincount);
89}
90
91
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94
95
96
97STATIC void
98xfs_qm_dquot_logitem_unpin(
99 struct xfs_log_item *lip,
100 int remove)
101{
102 struct xfs_dquot *dqp = DQUOT_ITEM(lip)->qli_dquot;
103
104 ASSERT(atomic_read(&dqp->q_pincount) > 0);
105 if (atomic_dec_and_test(&dqp->q_pincount))
106 wake_up(&dqp->q_pinwait);
107}
108
109STATIC xfs_lsn_t
110xfs_qm_dquot_logitem_committed(
111 struct xfs_log_item *lip,
112 xfs_lsn_t lsn)
113{
114
115
116
117
118 return lsn;
119}
120
121
122
123
124
125void
126xfs_qm_dqunpin_wait(
127 struct xfs_dquot *dqp)
128{
129 ASSERT(XFS_DQ_IS_LOCKED(dqp));
130 if (atomic_read(&dqp->q_pincount) == 0)
131 return;
132
133
134
135
136 xfs_log_force(dqp->q_mount, 0);
137 wait_event(dqp->q_pinwait, (atomic_read(&dqp->q_pincount) == 0));
138}
139
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146
147
148STATIC void
149xfs_dquot_item_error(
150 struct xfs_log_item *lip,
151 struct xfs_buf *bp)
152{
153 struct xfs_dquot *dqp;
154
155 dqp = DQUOT_ITEM(lip)->qli_dquot;
156 ASSERT(!completion_done(&dqp->q_flush));
157 xfs_set_li_failed(lip, bp);
158}
159
160STATIC uint
161xfs_qm_dquot_logitem_push(
162 struct xfs_log_item *lip,
163 struct list_head *buffer_list) __releases(&lip->li_ailp->xa_lock)
164 __acquires(&lip->li_ailp->xa_lock)
165{
166 struct xfs_dquot *dqp = DQUOT_ITEM(lip)->qli_dquot;
167 struct xfs_buf *bp = lip->li_buf;
168 uint rval = XFS_ITEM_SUCCESS;
169 int error;
170
171 if (atomic_read(&dqp->q_pincount) > 0)
172 return XFS_ITEM_PINNED;
173
174
175
176
177
178 if (lip->li_flags & XFS_LI_FAILED) {
179 if (!xfs_buf_trylock(bp))
180 return XFS_ITEM_LOCKED;
181
182 if (!xfs_buf_resubmit_failed_buffers(bp, lip, buffer_list))
183 rval = XFS_ITEM_FLUSHING;
184
185 xfs_buf_unlock(bp);
186 return rval;
187 }
188
189 if (!xfs_dqlock_nowait(dqp))
190 return XFS_ITEM_LOCKED;
191
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194
195
196 if (atomic_read(&dqp->q_pincount) > 0) {
197 rval = XFS_ITEM_PINNED;
198 goto out_unlock;
199 }
200
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204
205
206 if (!xfs_dqflock_nowait(dqp)) {
207 rval = XFS_ITEM_FLUSHING;
208 goto out_unlock;
209 }
210
211 spin_unlock(&lip->li_ailp->xa_lock);
212
213 error = xfs_qm_dqflush(dqp, &bp);
214 if (error) {
215 xfs_warn(dqp->q_mount, "%s: push error %d on dqp %p",
216 __func__, error, dqp);
217 } else {
218 if (!xfs_buf_delwri_queue(bp, buffer_list))
219 rval = XFS_ITEM_FLUSHING;
220 xfs_buf_relse(bp);
221 }
222
223 spin_lock(&lip->li_ailp->xa_lock);
224out_unlock:
225 xfs_dqunlock(dqp);
226 return rval;
227}
228
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233
234
235STATIC void
236xfs_qm_dquot_logitem_unlock(
237 struct xfs_log_item *lip)
238{
239 struct xfs_dquot *dqp = DQUOT_ITEM(lip)->qli_dquot;
240
241 ASSERT(XFS_DQ_IS_LOCKED(dqp));
242
243
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245
246 dqp->q_transp = NULL;
247
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254 xfs_dqunlock(dqp);
255}
256
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261
262STATIC void
263xfs_qm_dquot_logitem_committing(
264 struct xfs_log_item *lip,
265 xfs_lsn_t lsn)
266{
267}
268
269
270
271
272static const struct xfs_item_ops xfs_dquot_item_ops = {
273 .iop_size = xfs_qm_dquot_logitem_size,
274 .iop_format = xfs_qm_dquot_logitem_format,
275 .iop_pin = xfs_qm_dquot_logitem_pin,
276 .iop_unpin = xfs_qm_dquot_logitem_unpin,
277 .iop_unlock = xfs_qm_dquot_logitem_unlock,
278 .iop_committed = xfs_qm_dquot_logitem_committed,
279 .iop_push = xfs_qm_dquot_logitem_push,
280 .iop_committing = xfs_qm_dquot_logitem_committing,
281 .iop_error = xfs_dquot_item_error
282};
283
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287
288
289void
290xfs_qm_dquot_logitem_init(
291 struct xfs_dquot *dqp)
292{
293 struct xfs_dq_logitem *lp = &dqp->q_logitem;
294
295 xfs_log_item_init(dqp->q_mount, &lp->qli_item, XFS_LI_DQUOT,
296 &xfs_dquot_item_ops);
297 lp->qli_dquot = dqp;
298}
299
300
301
302static inline struct xfs_qoff_logitem *QOFF_ITEM(struct xfs_log_item *lip)
303{
304 return container_of(lip, struct xfs_qoff_logitem, qql_item);
305}
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312
313STATIC void
314xfs_qm_qoff_logitem_size(
315 struct xfs_log_item *lip,
316 int *nvecs,
317 int *nbytes)
318{
319 *nvecs += 1;
320 *nbytes += sizeof(struct xfs_qoff_logitem);
321}
322
323STATIC void
324xfs_qm_qoff_logitem_format(
325 struct xfs_log_item *lip,
326 struct xfs_log_vec *lv)
327{
328 struct xfs_qoff_logitem *qflip = QOFF_ITEM(lip);
329 struct xfs_log_iovec *vecp = NULL;
330 struct xfs_qoff_logformat *qlf;
331
332 qlf = xlog_prepare_iovec(lv, &vecp, XLOG_REG_TYPE_QUOTAOFF);
333 qlf->qf_type = XFS_LI_QUOTAOFF;
334 qlf->qf_size = 1;
335 qlf->qf_flags = qflip->qql_flags;
336 xlog_finish_iovec(lv, vecp, sizeof(struct xfs_qoff_logitem));
337}
338
339
340
341
342STATIC void
343xfs_qm_qoff_logitem_pin(
344 struct xfs_log_item *lip)
345{
346}
347
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351
352STATIC void
353xfs_qm_qoff_logitem_unpin(
354 struct xfs_log_item *lip,
355 int remove)
356{
357}
358
359
360
361
362
363STATIC uint
364xfs_qm_qoff_logitem_push(
365 struct xfs_log_item *lip,
366 struct list_head *buffer_list)
367{
368 return XFS_ITEM_LOCKED;
369}
370
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372
373
374
375STATIC void
376xfs_qm_qoff_logitem_unlock(
377 struct xfs_log_item *lip)
378{
379}
380
381
382
383
384
385STATIC xfs_lsn_t
386xfs_qm_qoff_logitem_committed(
387 struct xfs_log_item *lip,
388 xfs_lsn_t lsn)
389{
390 return lsn;
391}
392
393STATIC xfs_lsn_t
394xfs_qm_qoffend_logitem_committed(
395 struct xfs_log_item *lip,
396 xfs_lsn_t lsn)
397{
398 struct xfs_qoff_logitem *qfe = QOFF_ITEM(lip);
399 struct xfs_qoff_logitem *qfs = qfe->qql_start_lip;
400 struct xfs_ail *ailp = qfs->qql_item.li_ailp;
401
402
403
404
405
406 spin_lock(&ailp->xa_lock);
407 xfs_trans_ail_delete(ailp, &qfs->qql_item, SHUTDOWN_LOG_IO_ERROR);
408
409 kmem_free(qfs->qql_item.li_lv_shadow);
410 kmem_free(lip->li_lv_shadow);
411 kmem_free(qfs);
412 kmem_free(qfe);
413 return (xfs_lsn_t)-1;
414}
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429
430STATIC void
431xfs_qm_qoff_logitem_committing(
432 struct xfs_log_item *lip,
433 xfs_lsn_t commit_lsn)
434{
435}
436
437static const struct xfs_item_ops xfs_qm_qoffend_logitem_ops = {
438 .iop_size = xfs_qm_qoff_logitem_size,
439 .iop_format = xfs_qm_qoff_logitem_format,
440 .iop_pin = xfs_qm_qoff_logitem_pin,
441 .iop_unpin = xfs_qm_qoff_logitem_unpin,
442 .iop_unlock = xfs_qm_qoff_logitem_unlock,
443 .iop_committed = xfs_qm_qoffend_logitem_committed,
444 .iop_push = xfs_qm_qoff_logitem_push,
445 .iop_committing = xfs_qm_qoff_logitem_committing
446};
447
448
449
450
451static const struct xfs_item_ops xfs_qm_qoff_logitem_ops = {
452 .iop_size = xfs_qm_qoff_logitem_size,
453 .iop_format = xfs_qm_qoff_logitem_format,
454 .iop_pin = xfs_qm_qoff_logitem_pin,
455 .iop_unpin = xfs_qm_qoff_logitem_unpin,
456 .iop_unlock = xfs_qm_qoff_logitem_unlock,
457 .iop_committed = xfs_qm_qoff_logitem_committed,
458 .iop_push = xfs_qm_qoff_logitem_push,
459 .iop_committing = xfs_qm_qoff_logitem_committing
460};
461
462
463
464
465struct xfs_qoff_logitem *
466xfs_qm_qoff_logitem_init(
467 struct xfs_mount *mp,
468 struct xfs_qoff_logitem *start,
469 uint flags)
470{
471 struct xfs_qoff_logitem *qf;
472
473 qf = kmem_zalloc(sizeof(struct xfs_qoff_logitem), KM_SLEEP);
474
475 xfs_log_item_init(mp, &qf->qql_item, XFS_LI_QUOTAOFF, start ?
476 &xfs_qm_qoffend_logitem_ops : &xfs_qm_qoff_logitem_ops);
477 qf->qql_item.li_mountp = mp;
478 qf->qql_start_lip = start;
479 qf->qql_flags = flags;
480 return qf;
481}
482