1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (C) 2022 Oracle. All Rights Reserved.
4 * Author: Allison Henderson <allison.henderson@oracle.com>
9 #include "xfs_format.h"
10 #include "xfs_trans_resv.h"
11 #include "xfs_shared.h"
12 #include "xfs_mount.h"
13 #include "xfs_defer.h"
14 #include "xfs_log_format.h"
15 #include "xfs_trans.h"
16 #include "xfs_bmap_btree.h"
17 #include "xfs_trans_priv.h"
19 #include "xfs_inode.h"
20 #include "xfs_da_format.h"
21 #include "xfs_da_btree.h"
23 #include "xfs_attr_item.h"
24 #include "xfs_trace.h"
25 #include "xfs_trans_space.h"
26 #include "xfs_errortag.h"
27 #include "xfs_error.h"
28 #include "xfs_log_priv.h"
29 #include "xfs_log_recover.h"
31 struct kmem_cache *xfs_attri_cache;
32 struct kmem_cache *xfs_attrd_cache;
34 static const struct xfs_item_ops xfs_attri_item_ops;
35 static const struct xfs_item_ops xfs_attrd_item_ops;
36 static struct xfs_attrd_log_item *xfs_trans_get_attrd(struct xfs_trans *tp,
37 struct xfs_attri_log_item *attrip);
39 static inline struct xfs_attri_log_item *ATTRI_ITEM(struct xfs_log_item *lip)
41 return container_of(lip, struct xfs_attri_log_item, attri_item);
45 * Shared xattr name/value buffers for logged extended attribute operations
47 * When logging updates to extended attributes, we can create quite a few
48 * attribute log intent items for a single xattr update. To avoid cycling the
49 * memory allocator and memcpy overhead, the name (and value, for setxattr)
50 * are kept in a refcounted object that is shared across all related log items
51 * and the upper-level deferred work state structure. The shared buffer has
52 * a control structure, followed by the name, and then the value.
55 static inline struct xfs_attri_log_nameval *
56 xfs_attri_log_nameval_get(
57 struct xfs_attri_log_nameval *nv)
59 if (!refcount_inc_not_zero(&nv->refcount))
65 xfs_attri_log_nameval_put(
66 struct xfs_attri_log_nameval *nv)
70 if (refcount_dec_and_test(&nv->refcount))
74 static inline struct xfs_attri_log_nameval *
75 xfs_attri_log_nameval_alloc(
77 unsigned int name_len,
79 unsigned int value_len)
81 struct xfs_attri_log_nameval *nv;
84 * This could be over 64kB in length, so we have to use kvmalloc() for
85 * this. But kvmalloc() utterly sucks, so we use our own version.
87 nv = xlog_kvmalloc(sizeof(struct xfs_attri_log_nameval) +
88 name_len + value_len);
92 nv->name.i_addr = nv + 1;
93 nv->name.i_len = name_len;
94 nv->name.i_type = XLOG_REG_TYPE_ATTR_NAME;
95 memcpy(nv->name.i_addr, name, name_len);
98 nv->value.i_addr = nv->name.i_addr + name_len;
99 nv->value.i_len = value_len;
100 memcpy(nv->value.i_addr, value, value_len);
102 nv->value.i_addr = NULL;
105 nv->value.i_type = XLOG_REG_TYPE_ATTR_VALUE;
107 refcount_set(&nv->refcount, 1);
113 struct xfs_attri_log_item *attrip)
115 kmem_free(attrip->attri_item.li_lv_shadow);
116 xfs_attri_log_nameval_put(attrip->attri_nameval);
117 kmem_cache_free(xfs_attri_cache, attrip);
121 * Freeing the attrip requires that we remove it from the AIL if it has already
122 * been placed there. However, the ATTRI may not yet have been placed in the
123 * AIL when called by xfs_attri_release() from ATTRD processing due to the
124 * ordering of committed vs unpin operations in bulk insert operations. Hence
125 * the reference count to ensure only the last caller frees the ATTRI.
129 struct xfs_attri_log_item *attrip)
131 ASSERT(atomic_read(&attrip->attri_refcount) > 0);
132 if (!atomic_dec_and_test(&attrip->attri_refcount))
135 xfs_trans_ail_delete(&attrip->attri_item, 0);
136 xfs_attri_item_free(attrip);
141 struct xfs_log_item *lip,
145 struct xfs_attri_log_item *attrip = ATTRI_ITEM(lip);
146 struct xfs_attri_log_nameval *nv = attrip->attri_nameval;
149 *nbytes += sizeof(struct xfs_attri_log_format) +
150 xlog_calc_iovec_len(nv->name.i_len);
152 if (!nv->value.i_len)
156 *nbytes += xlog_calc_iovec_len(nv->value.i_len);
160 * This is called to fill in the log iovecs for the given attri log
161 * item. We use 1 iovec for the attri_format_item, 1 for the name, and
162 * another for the value if it is present
165 xfs_attri_item_format(
166 struct xfs_log_item *lip,
167 struct xfs_log_vec *lv)
169 struct xfs_attri_log_item *attrip = ATTRI_ITEM(lip);
170 struct xfs_log_iovec *vecp = NULL;
171 struct xfs_attri_log_nameval *nv = attrip->attri_nameval;
173 attrip->attri_format.alfi_type = XFS_LI_ATTRI;
174 attrip->attri_format.alfi_size = 1;
177 * This size accounting must be done before copying the attrip into the
178 * iovec. If we do it after, the wrong size will be recorded to the log
179 * and we trip across assertion checks for bad region sizes later during
183 ASSERT(nv->name.i_len > 0);
184 attrip->attri_format.alfi_size++;
186 if (nv->value.i_len > 0)
187 attrip->attri_format.alfi_size++;
189 xlog_copy_iovec(lv, &vecp, XLOG_REG_TYPE_ATTRI_FORMAT,
190 &attrip->attri_format,
191 sizeof(struct xfs_attri_log_format));
192 xlog_copy_from_iovec(lv, &vecp, &nv->name);
193 if (nv->value.i_len > 0)
194 xlog_copy_from_iovec(lv, &vecp, &nv->value);
198 * The unpin operation is the last place an ATTRI is manipulated in the log. It
199 * is either inserted in the AIL or aborted in the event of a log I/O error. In
200 * either case, the ATTRI transaction has been successfully committed to make
201 * it this far. Therefore, we expect whoever committed the ATTRI to either
202 * construct and commit the ATTRD or drop the ATTRD's reference in the event of
203 * error. Simply drop the log's ATTRI reference now that the log is done with
207 xfs_attri_item_unpin(
208 struct xfs_log_item *lip,
211 xfs_attri_release(ATTRI_ITEM(lip));
216 xfs_attri_item_release(
217 struct xfs_log_item *lip)
219 xfs_attri_release(ATTRI_ITEM(lip));
223 * Allocate and initialize an attri item. Caller may allocate an additional
224 * trailing buffer for name and value
226 STATIC struct xfs_attri_log_item *
228 struct xfs_mount *mp,
229 struct xfs_attri_log_nameval *nv)
231 struct xfs_attri_log_item *attrip;
233 attrip = kmem_cache_zalloc(xfs_attri_cache, GFP_NOFS | __GFP_NOFAIL);
236 * Grab an extra reference to the name/value buffer for this log item.
237 * The caller retains its own reference!
239 attrip->attri_nameval = xfs_attri_log_nameval_get(nv);
240 ASSERT(attrip->attri_nameval);
242 xfs_log_item_init(mp, &attrip->attri_item, XFS_LI_ATTRI,
243 &xfs_attri_item_ops);
244 attrip->attri_format.alfi_id = (uintptr_t)(void *)attrip;
245 atomic_set(&attrip->attri_refcount, 2);
251 * Copy an attr format buffer from the given buf, and into the destination attr
255 xfs_attri_copy_format(
256 struct xfs_log_iovec *buf,
257 struct xfs_attri_log_format *dst_attr_fmt)
259 struct xfs_attri_log_format *src_attr_fmt = buf->i_addr;
262 len = sizeof(struct xfs_attri_log_format);
263 if (buf->i_len != len) {
264 XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, NULL);
265 return -EFSCORRUPTED;
268 memcpy((char *)dst_attr_fmt, (char *)src_attr_fmt, len);
272 static inline struct xfs_attrd_log_item *ATTRD_ITEM(struct xfs_log_item *lip)
274 return container_of(lip, struct xfs_attrd_log_item, attrd_item);
278 xfs_attrd_item_free(struct xfs_attrd_log_item *attrdp)
280 kmem_free(attrdp->attrd_item.li_lv_shadow);
281 kmem_cache_free(xfs_attrd_cache, attrdp);
286 struct xfs_log_item *lip,
291 *nbytes += sizeof(struct xfs_attrd_log_format);
295 * This is called to fill in the log iovecs for the given attrd log item. We use
296 * only 1 iovec for the attrd_format, and we point that at the attr_log_format
297 * structure embedded in the attrd item.
300 xfs_attrd_item_format(
301 struct xfs_log_item *lip,
302 struct xfs_log_vec *lv)
304 struct xfs_attrd_log_item *attrdp = ATTRD_ITEM(lip);
305 struct xfs_log_iovec *vecp = NULL;
307 attrdp->attrd_format.alfd_type = XFS_LI_ATTRD;
308 attrdp->attrd_format.alfd_size = 1;
310 xlog_copy_iovec(lv, &vecp, XLOG_REG_TYPE_ATTRD_FORMAT,
311 &attrdp->attrd_format,
312 sizeof(struct xfs_attrd_log_format));
316 * The ATTRD is either committed or aborted if the transaction is canceled. If
317 * the transaction is canceled, drop our reference to the ATTRI and free the
321 xfs_attrd_item_release(
322 struct xfs_log_item *lip)
324 struct xfs_attrd_log_item *attrdp = ATTRD_ITEM(lip);
326 xfs_attri_release(attrdp->attrd_attrip);
327 xfs_attrd_item_free(attrdp);
330 static struct xfs_log_item *
331 xfs_attrd_item_intent(
332 struct xfs_log_item *lip)
334 return &ATTRD_ITEM(lip)->attrd_attrip->attri_item;
338 * Performs one step of an attribute update intent and marks the attrd item
339 * dirty.. An attr operation may be a set or a remove. Note that the
340 * transaction is marked dirty regardless of whether the operation succeeds or
341 * fails to support the ATTRI/ATTRD lifecycle rules.
344 xfs_xattri_finish_update(
345 struct xfs_attr_intent *attr,
346 struct xfs_attrd_log_item *attrdp)
348 struct xfs_da_args *args = attr->xattri_da_args;
351 if (XFS_TEST_ERROR(false, args->dp->i_mount, XFS_ERRTAG_LARP)) {
356 error = xfs_attr_set_iter(attr);
357 if (!error && attr->xattri_dela_state != XFS_DAS_DONE)
361 * Mark the transaction dirty, even on error. This ensures the
362 * transaction is aborted, which:
364 * 1.) releases the ATTRI and frees the ATTRD
365 * 2.) shuts down the filesystem
367 args->trans->t_flags |= XFS_TRANS_DIRTY | XFS_TRANS_HAS_INTENT_DONE;
370 * attr intent/done items are null when logged attributes are disabled
373 set_bit(XFS_LI_DIRTY, &attrdp->attrd_item.li_flags);
378 /* Log an attr to the intent item. */
381 struct xfs_trans *tp,
382 struct xfs_attri_log_item *attrip,
383 const struct xfs_attr_intent *attr)
385 struct xfs_attri_log_format *attrp;
387 tp->t_flags |= XFS_TRANS_DIRTY;
388 set_bit(XFS_LI_DIRTY, &attrip->attri_item.li_flags);
391 * At this point the xfs_attr_intent has been constructed, and we've
392 * created the log intent. Fill in the attri log item and log format
393 * structure with fields from this xfs_attr_intent
395 attrp = &attrip->attri_format;
396 attrp->alfi_ino = attr->xattri_da_args->dp->i_ino;
397 ASSERT(!(attr->xattri_op_flags & ~XFS_ATTRI_OP_FLAGS_TYPE_MASK));
398 attrp->alfi_op_flags = attr->xattri_op_flags;
399 attrp->alfi_value_len = attr->xattri_nameval->value.i_len;
400 attrp->alfi_name_len = attr->xattri_nameval->name.i_len;
401 ASSERT(!(attr->xattri_da_args->attr_filter & ~XFS_ATTRI_FILTER_MASK));
402 attrp->alfi_attr_filter = attr->xattri_da_args->attr_filter;
406 static struct xfs_log_item *
407 xfs_attr_create_intent(
408 struct xfs_trans *tp,
409 struct list_head *items,
413 struct xfs_mount *mp = tp->t_mountp;
414 struct xfs_attri_log_item *attrip;
415 struct xfs_attr_intent *attr;
416 struct xfs_da_args *args;
421 * Each attr item only performs one attribute operation at a time, so
422 * this is a list of one
424 attr = list_first_entry_or_null(items, struct xfs_attr_intent,
426 args = attr->xattri_da_args;
428 if (!(args->op_flags & XFS_DA_OP_LOGGED))
432 * Create a buffer to store the attribute name and value. This buffer
433 * will be shared between the higher level deferred xattr work state
434 * and the lower level xattr log items.
436 if (!attr->xattri_nameval) {
438 * Transfer our reference to the name/value buffer to the
439 * deferred work state structure.
441 attr->xattri_nameval = xfs_attri_log_nameval_alloc(args->name,
442 args->namelen, args->value, args->valuelen);
444 if (!attr->xattri_nameval)
445 return ERR_PTR(-ENOMEM);
447 attrip = xfs_attri_init(mp, attr->xattri_nameval);
448 xfs_trans_add_item(tp, &attrip->attri_item);
449 xfs_attr_log_item(tp, attrip, attr);
451 return &attrip->attri_item;
456 struct xfs_attr_intent *attr)
458 if (attr->xattri_da_state)
459 xfs_da_state_free(attr->xattri_da_state);
460 xfs_attri_log_nameval_put(attr->xattri_nameval);
461 if (attr->xattri_da_args->op_flags & XFS_DA_OP_RECOVERY)
464 kmem_cache_free(xfs_attr_intent_cache, attr);
467 /* Process an attr. */
469 xfs_attr_finish_item(
470 struct xfs_trans *tp,
471 struct xfs_log_item *done,
472 struct list_head *item,
473 struct xfs_btree_cur **state)
475 struct xfs_attr_intent *attr;
476 struct xfs_attrd_log_item *done_item = NULL;
479 attr = container_of(item, struct xfs_attr_intent, xattri_list);
481 done_item = ATTRD_ITEM(done);
484 * Always reset trans after EAGAIN cycle
485 * since the transaction is new
487 attr->xattri_da_args->trans = tp;
489 error = xfs_xattri_finish_update(attr, done_item);
490 if (error != -EAGAIN)
491 xfs_attr_free_item(attr);
496 /* Abort all pending ATTRs. */
498 xfs_attr_abort_intent(
499 struct xfs_log_item *intent)
501 xfs_attri_release(ATTRI_ITEM(intent));
506 xfs_attr_cancel_item(
507 struct list_head *item)
509 struct xfs_attr_intent *attr;
511 attr = container_of(item, struct xfs_attr_intent, xattri_list);
512 xfs_attr_free_item(attr);
516 xfs_attri_item_match(
517 struct xfs_log_item *lip,
520 return ATTRI_ITEM(lip)->attri_format.alfi_id == intent_id;
523 /* Is this recovered ATTRI format ok? */
526 struct xfs_mount *mp,
527 struct xfs_attri_log_format *attrp)
529 unsigned int op = attrp->alfi_op_flags &
530 XFS_ATTRI_OP_FLAGS_TYPE_MASK;
532 if (attrp->__pad != 0)
535 if (attrp->alfi_op_flags & ~XFS_ATTRI_OP_FLAGS_TYPE_MASK)
538 if (attrp->alfi_attr_filter & ~XFS_ATTRI_FILTER_MASK)
541 /* alfi_op_flags should be either a set or remove */
543 case XFS_ATTRI_OP_FLAGS_SET:
544 case XFS_ATTRI_OP_FLAGS_REPLACE:
545 case XFS_ATTRI_OP_FLAGS_REMOVE:
551 if (attrp->alfi_value_len > XATTR_SIZE_MAX)
554 if ((attrp->alfi_name_len > XATTR_NAME_MAX) ||
555 (attrp->alfi_name_len == 0))
558 return xfs_verify_ino(mp, attrp->alfi_ino);
562 * Process an attr intent item that was recovered from the log. We need to
563 * delete the attr that it describes.
566 xfs_attri_item_recover(
567 struct xfs_log_item *lip,
568 struct list_head *capture_list)
570 struct xfs_attri_log_item *attrip = ATTRI_ITEM(lip);
571 struct xfs_attr_intent *attr;
572 struct xfs_mount *mp = lip->li_log->l_mp;
573 struct xfs_inode *ip;
574 struct xfs_da_args *args;
575 struct xfs_trans *tp;
576 struct xfs_trans_res tres;
577 struct xfs_attri_log_format *attrp;
578 struct xfs_attri_log_nameval *nv = attrip->attri_nameval;
582 struct xfs_attrd_log_item *done_item = NULL;
585 * First check the validity of the attr described by the ATTRI. If any
586 * are bad, then assume that all are bad and just toss the ATTRI.
588 attrp = &attrip->attri_format;
589 if (!xfs_attri_validate(mp, attrp) ||
590 !xfs_attr_namecheck(nv->name.i_addr, nv->name.i_len))
591 return -EFSCORRUPTED;
593 error = xlog_recover_iget(mp, attrp->alfi_ino, &ip);
597 attr = kmem_zalloc(sizeof(struct xfs_attr_intent) +
598 sizeof(struct xfs_da_args), KM_NOFS);
599 args = (struct xfs_da_args *)(attr + 1);
601 attr->xattri_da_args = args;
602 attr->xattri_op_flags = attrp->alfi_op_flags &
603 XFS_ATTRI_OP_FLAGS_TYPE_MASK;
606 * We're reconstructing the deferred work state structure from the
607 * recovered log item. Grab a reference to the name/value buffer and
608 * attach it to the new work state.
610 attr->xattri_nameval = xfs_attri_log_nameval_get(nv);
611 ASSERT(attr->xattri_nameval);
614 args->geo = mp->m_attr_geo;
615 args->whichfork = XFS_ATTR_FORK;
616 args->name = nv->name.i_addr;
617 args->namelen = nv->name.i_len;
618 args->hashval = xfs_da_hashname(args->name, args->namelen);
619 args->attr_filter = attrp->alfi_attr_filter & XFS_ATTRI_FILTER_MASK;
620 args->op_flags = XFS_DA_OP_RECOVERY | XFS_DA_OP_OKNOENT |
623 ASSERT(xfs_sb_version_haslogxattrs(&mp->m_sb));
625 switch (attr->xattri_op_flags) {
626 case XFS_ATTRI_OP_FLAGS_SET:
627 case XFS_ATTRI_OP_FLAGS_REPLACE:
628 args->value = nv->value.i_addr;
629 args->valuelen = nv->value.i_len;
630 args->total = xfs_attr_calc_size(args, &local);
631 if (xfs_inode_hasattr(args->dp))
632 attr->xattri_dela_state = xfs_attr_init_replace_state(args);
634 attr->xattri_dela_state = xfs_attr_init_add_state(args);
636 case XFS_ATTRI_OP_FLAGS_REMOVE:
637 if (!xfs_inode_hasattr(args->dp))
639 attr->xattri_dela_state = xfs_attr_init_remove_state(args);
643 error = -EFSCORRUPTED;
647 xfs_init_attr_trans(args, &tres, &total);
648 error = xfs_trans_alloc(mp, &tres, total, 0, XFS_TRANS_RESERVE, &tp);
653 done_item = xfs_trans_get_attrd(tp, attrip);
655 xfs_ilock(ip, XFS_ILOCK_EXCL);
656 xfs_trans_ijoin(tp, ip, 0);
658 error = xfs_xattri_finish_update(attr, done_item);
659 if (error == -EAGAIN) {
661 * There's more work to do, so add the intent item to this
662 * transaction so that we can continue it later.
664 xfs_defer_add(tp, XFS_DEFER_OPS_TYPE_ATTR, &attr->xattri_list);
665 error = xfs_defer_ops_capture_and_commit(tp, capture_list);
669 xfs_iunlock(ip, XFS_ILOCK_EXCL);
674 xfs_trans_cancel(tp);
678 error = xfs_defer_ops_capture_and_commit(tp, capture_list);
680 xfs_iunlock(ip, XFS_ILOCK_EXCL);
683 xfs_attr_free_item(attr);
687 /* Re-log an intent item to push the log tail forward. */
688 static struct xfs_log_item *
689 xfs_attri_item_relog(
690 struct xfs_log_item *intent,
691 struct xfs_trans *tp)
693 struct xfs_attrd_log_item *attrdp;
694 struct xfs_attri_log_item *old_attrip;
695 struct xfs_attri_log_item *new_attrip;
696 struct xfs_attri_log_format *new_attrp;
697 struct xfs_attri_log_format *old_attrp;
699 old_attrip = ATTRI_ITEM(intent);
700 old_attrp = &old_attrip->attri_format;
702 tp->t_flags |= XFS_TRANS_DIRTY;
703 attrdp = xfs_trans_get_attrd(tp, old_attrip);
704 set_bit(XFS_LI_DIRTY, &attrdp->attrd_item.li_flags);
707 * Create a new log item that shares the same name/value buffer as the
710 new_attrip = xfs_attri_init(tp->t_mountp, old_attrip->attri_nameval);
711 new_attrp = &new_attrip->attri_format;
713 new_attrp->alfi_ino = old_attrp->alfi_ino;
714 new_attrp->alfi_op_flags = old_attrp->alfi_op_flags;
715 new_attrp->alfi_value_len = old_attrp->alfi_value_len;
716 new_attrp->alfi_name_len = old_attrp->alfi_name_len;
717 new_attrp->alfi_attr_filter = old_attrp->alfi_attr_filter;
719 xfs_trans_add_item(tp, &new_attrip->attri_item);
720 set_bit(XFS_LI_DIRTY, &new_attrip->attri_item.li_flags);
722 return &new_attrip->attri_item;
726 xlog_recover_attri_commit_pass2(
728 struct list_head *buffer_list,
729 struct xlog_recover_item *item,
732 struct xfs_mount *mp = log->l_mp;
733 struct xfs_attri_log_item *attrip;
734 struct xfs_attri_log_format *attri_formatp;
735 struct xfs_attri_log_nameval *nv;
736 const void *attr_value = NULL;
737 const void *attr_name;
740 attri_formatp = item->ri_buf[0].i_addr;
741 attr_name = item->ri_buf[1].i_addr;
743 /* Validate xfs_attri_log_format before the large memory allocation */
744 if (!xfs_attri_validate(mp, attri_formatp)) {
745 XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, mp);
746 return -EFSCORRUPTED;
749 if (!xfs_attr_namecheck(attr_name, attri_formatp->alfi_name_len)) {
750 XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, mp);
751 return -EFSCORRUPTED;
754 if (attri_formatp->alfi_value_len)
755 attr_value = item->ri_buf[2].i_addr;
758 * Memory alloc failure will cause replay to abort. We attach the
759 * name/value buffer to the recovered incore log item and drop our
762 nv = xfs_attri_log_nameval_alloc(attr_name,
763 attri_formatp->alfi_name_len, attr_value,
764 attri_formatp->alfi_value_len);
768 attrip = xfs_attri_init(mp, nv);
769 error = xfs_attri_copy_format(&item->ri_buf[0], &attrip->attri_format);
774 * The ATTRI has two references. One for the ATTRD and one for ATTRI to
775 * ensure it makes it into the AIL. Insert the ATTRI into the AIL
776 * directly and drop the ATTRI reference. Note that
777 * xfs_trans_ail_update() drops the AIL lock.
779 xfs_trans_ail_insert(log->l_ailp, &attrip->attri_item, lsn);
780 xfs_attri_release(attrip);
781 xfs_attri_log_nameval_put(nv);
784 xfs_attri_item_free(attrip);
785 xfs_attri_log_nameval_put(nv);
790 * This routine is called to allocate an "attr free done" log item.
792 static struct xfs_attrd_log_item *
793 xfs_trans_get_attrd(struct xfs_trans *tp,
794 struct xfs_attri_log_item *attrip)
796 struct xfs_attrd_log_item *attrdp;
800 attrdp = kmem_cache_zalloc(xfs_attrd_cache, GFP_NOFS | __GFP_NOFAIL);
802 xfs_log_item_init(tp->t_mountp, &attrdp->attrd_item, XFS_LI_ATTRD,
803 &xfs_attrd_item_ops);
804 attrdp->attrd_attrip = attrip;
805 attrdp->attrd_format.alfd_alf_id = attrip->attri_format.alfi_id;
807 xfs_trans_add_item(tp, &attrdp->attrd_item);
811 /* Get an ATTRD so we can process all the attrs. */
812 static struct xfs_log_item *
813 xfs_attr_create_done(
814 struct xfs_trans *tp,
815 struct xfs_log_item *intent,
821 return &xfs_trans_get_attrd(tp, ATTRI_ITEM(intent))->attrd_item;
824 const struct xfs_defer_op_type xfs_attr_defer_type = {
826 .create_intent = xfs_attr_create_intent,
827 .abort_intent = xfs_attr_abort_intent,
828 .create_done = xfs_attr_create_done,
829 .finish_item = xfs_attr_finish_item,
830 .cancel_item = xfs_attr_cancel_item,
834 * This routine is called when an ATTRD format structure is found in a committed
835 * transaction in the log. Its purpose is to cancel the corresponding ATTRI if
836 * it was still in the log. To do this it searches the AIL for the ATTRI with
837 * an id equal to that in the ATTRD format structure. If we find it we drop
838 * the ATTRD reference, which removes the ATTRI from the AIL and frees it.
841 xlog_recover_attrd_commit_pass2(
843 struct list_head *buffer_list,
844 struct xlog_recover_item *item,
847 struct xfs_attrd_log_format *attrd_formatp;
849 attrd_formatp = item->ri_buf[0].i_addr;
850 if (item->ri_buf[0].i_len != sizeof(struct xfs_attrd_log_format)) {
851 XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, NULL);
852 return -EFSCORRUPTED;
855 xlog_recover_release_intent(log, XFS_LI_ATTRI,
856 attrd_formatp->alfd_alf_id);
860 static const struct xfs_item_ops xfs_attri_item_ops = {
861 .flags = XFS_ITEM_INTENT,
862 .iop_size = xfs_attri_item_size,
863 .iop_format = xfs_attri_item_format,
864 .iop_unpin = xfs_attri_item_unpin,
865 .iop_release = xfs_attri_item_release,
866 .iop_recover = xfs_attri_item_recover,
867 .iop_match = xfs_attri_item_match,
868 .iop_relog = xfs_attri_item_relog,
871 const struct xlog_recover_item_ops xlog_attri_item_ops = {
872 .item_type = XFS_LI_ATTRI,
873 .commit_pass2 = xlog_recover_attri_commit_pass2,
876 static const struct xfs_item_ops xfs_attrd_item_ops = {
877 .flags = XFS_ITEM_RELEASE_WHEN_COMMITTED |
878 XFS_ITEM_INTENT_DONE,
879 .iop_size = xfs_attrd_item_size,
880 .iop_format = xfs_attrd_item_format,
881 .iop_release = xfs_attrd_item_release,
882 .iop_intent = xfs_attrd_item_intent,
885 const struct xlog_recover_item_ops xlog_attrd_item_ops = {
886 .item_type = XFS_LI_ATTRD,
887 .commit_pass2 = xlog_recover_attrd_commit_pass2,