4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
30 * Copyright (c) 2011, 2014, Intel Corporation.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lustre/osd/osd_handler.c
38 * Top-level entry points into osd module
40 * Author: Nikita Danilov <nikita@clusterfs.com>
41 * Pravin Shelar <pravin.shelar@sun.com> : Added fid in dirent
44 #define DEBUG_SUBSYSTEM S_OSD
46 #include <linux/module.h>
47 #include <linux/user_namespace.h>
48 #ifdef HAVE_UIDGID_HEADER
49 # include <linux/uidgid.h>
52 /* LUSTRE_VERSION_CODE */
53 #include <lustre_ver.h>
54 /* prerequisite for linux/xattr.h */
55 #include <linux/types.h>
56 /* prerequisite for linux/xattr.h */
58 /* XATTR_{REPLACE,CREATE} */
59 #include <linux/xattr.h>
61 #include <ldiskfs/ldiskfs.h>
62 #include <ldiskfs/xattr.h>
65 * struct OBD_{ALLOC,FREE}*()
68 #include <obd_support.h>
69 /* struct ptlrpc_thread */
70 #include <lustre_net.h>
71 #include <lustre_fid.h>
73 #include <lustre_param.h>
75 #include "osd_internal.h"
76 #include "osd_dynlocks.h"
78 /* llo_* api support */
79 #include <md_object.h>
80 #include <lustre_quota.h>
82 #include <lustre_linkea.h>
85 CFS_MODULE_PARM(ldiskfs_pdo, "i", int, 0644,
86 "ldiskfs with parallel directory operations");
88 int ldiskfs_track_declares_assert;
89 CFS_MODULE_PARM(ldiskfs_track_declares_assert, "i", int, 0644,
90 "LBUG during tracking of declares");
92 /* Slab to allocate dynlocks */
93 struct kmem_cache *dynlock_cachep;
95 /* Slab to allocate osd_it_ea */
96 struct kmem_cache *osd_itea_cachep;
98 static struct lu_kmem_descr ldiskfs_caches[] = {
100 .ckd_cache = &dynlock_cachep,
101 .ckd_name = "dynlock_cache",
102 .ckd_size = sizeof(struct dynlock_handle)
105 .ckd_cache = &osd_itea_cachep,
106 .ckd_name = "osd_itea_cache",
107 .ckd_size = sizeof(struct osd_it_ea)
114 static const char dot[] = ".";
115 static const char dotdot[] = "..";
116 static const char remote_obj_dir[] = "REM_OBJ_DIR";
118 static const struct lu_object_operations osd_lu_obj_ops;
119 static const struct dt_object_operations osd_obj_ops;
120 static const struct dt_object_operations osd_obj_ea_ops;
121 static const struct dt_object_operations osd_obj_otable_it_ops;
122 static const struct dt_index_operations osd_index_iam_ops;
123 static const struct dt_index_operations osd_index_ea_ops;
125 int osd_trans_declare_op2rb[] = {
126 [OSD_OT_ATTR_SET] = OSD_OT_ATTR_SET,
127 [OSD_OT_PUNCH] = OSD_OT_MAX,
128 [OSD_OT_XATTR_SET] = OSD_OT_XATTR_SET,
129 [OSD_OT_CREATE] = OSD_OT_DESTROY,
130 [OSD_OT_DESTROY] = OSD_OT_CREATE,
131 [OSD_OT_REF_ADD] = OSD_OT_REF_DEL,
132 [OSD_OT_REF_DEL] = OSD_OT_REF_ADD,
133 [OSD_OT_WRITE] = OSD_OT_WRITE,
134 [OSD_OT_INSERT] = OSD_OT_DELETE,
135 [OSD_OT_DELETE] = OSD_OT_INSERT,
136 [OSD_OT_QUOTA] = OSD_OT_MAX,
139 static int osd_has_index(const struct osd_object *obj)
141 return obj->oo_dt.do_index_ops != NULL;
144 static int osd_object_invariant(const struct lu_object *l)
146 return osd_invariant(osd_obj(l));
150 * Concurrency: doesn't matter
154 * Concurrency: doesn't matter
156 static int osd_write_locked(const struct lu_env *env, struct osd_object *o)
158 struct osd_thread_info *oti = osd_oti_get(env);
159 return oti->oti_w_locks > 0 && o->oo_owner == env;
163 * Concurrency: doesn't access mutable data
165 static int osd_root_get(const struct lu_env *env,
166 struct dt_device *dev, struct lu_fid *f)
168 lu_local_obj_fid(f, OSD_FS_ROOT_OID);
173 * OSD object methods.
177 * Concurrency: no concurrent access is possible that early in object
180 static struct lu_object *osd_object_alloc(const struct lu_env *env,
181 const struct lu_object_header *hdr,
184 struct osd_object *mo;
190 l = &mo->oo_dt.do_lu;
191 dt_object_init(&mo->oo_dt, NULL, d);
192 mo->oo_dt.do_ops = &osd_obj_ea_ops;
193 l->lo_ops = &osd_lu_obj_ops;
194 init_rwsem(&mo->oo_sem);
195 init_rwsem(&mo->oo_ext_idx_sem);
196 spin_lock_init(&mo->oo_guard);
203 int osd_get_lma(struct osd_thread_info *info, struct inode *inode,
204 struct dentry *dentry, struct lustre_mdt_attrs *lma)
208 CLASSERT(LMA_OLD_SIZE >= sizeof(*lma));
209 rc = __osd_xattr_get(inode, dentry, XATTR_NAME_LMA,
210 info->oti_mdt_attrs_old, LMA_OLD_SIZE);
212 if ((void *)lma != (void *)info->oti_mdt_attrs_old)
213 memcpy(lma, info->oti_mdt_attrs_old, sizeof(*lma));
215 lustre_lma_swab(lma);
216 /* Check LMA compatibility */
217 if (lma->lma_incompat & ~LMA_INCOMPAT_SUPP) {
218 CWARN("%.16s: unsupported incompat LMA feature(s) %#x "
219 "for fid = "DFID", ino = %lu\n",
220 LDISKFS_SB(inode->i_sb)->s_es->s_volume_name,
221 lma->lma_incompat & ~LMA_INCOMPAT_SUPP,
222 PFID(&lma->lma_self_fid), inode->i_ino);
225 } else if (rc == 0) {
233 * retrieve object from backend ext fs.
235 struct inode *osd_iget(struct osd_thread_info *info, struct osd_device *dev,
236 struct osd_inode_id *id)
238 struct inode *inode = NULL;
240 inode = ldiskfs_iget(osd_sb(dev), id->oii_ino);
242 CDEBUG(D_INODE, "no inode: ino = %u, rc = %ld\n",
243 id->oii_ino, PTR_ERR(inode));
244 } else if (id->oii_gen != OSD_OII_NOGEN &&
245 inode->i_generation != id->oii_gen) {
246 CDEBUG(D_INODE, "unmatched inode: ino = %u, oii_gen = %u, "
247 "i_generation = %u\n",
248 id->oii_ino, id->oii_gen, inode->i_generation);
250 inode = ERR_PTR(-ESTALE);
251 } else if (inode->i_nlink == 0) {
252 /* due to parallel readdir and unlink,
253 * we can have dead inode here. */
254 CDEBUG(D_INODE, "stale inode: ino = %u\n", id->oii_ino);
256 inode = ERR_PTR(-ESTALE);
257 } else if (is_bad_inode(inode)) {
258 CWARN("%.16s: bad inode: ino = %u\n",
259 LDISKFS_SB(osd_sb(dev))->s_es->s_volume_name, id->oii_ino);
261 inode = ERR_PTR(-ENOENT);
263 if (id->oii_gen == OSD_OII_NOGEN)
264 osd_id_gen(id, inode->i_ino, inode->i_generation);
266 /* Do not update file c/mtime in ldiskfs.
267 * NB: we don't have any lock to protect this because we don't
268 * have reference on osd_object now, but contention with
269 * another lookup + attr_set can't happen in the tiny window
270 * between if (...) and set S_NOCMTIME. */
271 if (!(inode->i_flags & S_NOCMTIME))
272 inode->i_flags |= S_NOCMTIME;
277 static struct inode *
278 osd_iget_fid(struct osd_thread_info *info, struct osd_device *dev,
279 struct osd_inode_id *id, struct lu_fid *fid)
281 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
285 inode = osd_iget(info, dev, id);
289 rc = osd_get_lma(info, inode, &info->oti_obj_dentry, lma);
291 *fid = lma->lma_self_fid;
292 } else if (rc == -ENODATA) {
293 if (unlikely(inode == osd_sb(dev)->s_root->d_inode))
294 lu_local_obj_fid(fid, OSD_FS_ROOT_OID);
296 lu_igif_build(fid, inode->i_ino, inode->i_generation);
305 * \retval +v: new filter_fid, does not contain self-fid
306 * \retval 0: filter_fid_old, contains self-fid
307 * \retval -v: other failure cases
309 int osd_get_idif(struct osd_thread_info *info, struct inode *inode,
310 struct dentry *dentry, struct lu_fid *fid)
312 struct filter_fid_old *ff = &info->oti_ff;
313 struct ost_id *ostid = &info->oti_ostid;
316 rc = __osd_xattr_get(inode, dentry, XATTR_NAME_FID, ff, sizeof(*ff));
317 if (rc == sizeof(*ff)) {
319 ostid_set_seq(ostid, le64_to_cpu(ff->ff_seq));
320 ostid_set_id(ostid, le64_to_cpu(ff->ff_objid));
321 /* XXX: should use real OST index in the future. LU-3569 */
322 ostid_to_fid(fid, ostid, 0);
323 } else if (rc == sizeof(struct filter_fid)) {
325 } else if (rc >= 0) {
332 static int osd_lma_self_repair(struct osd_thread_info *info,
333 struct osd_device *osd, struct inode *inode,
334 const struct lu_fid *fid, __u32 compat)
339 LASSERT(current->journal_info == NULL);
341 jh = osd_journal_start_sb(osd_sb(osd), LDISKFS_HT_MISC,
342 osd_dto_credits_noquota[DTO_XATTR_SET]);
345 CWARN("%s: cannot start journal for lma_self_repair: rc = %d\n",
350 rc = osd_ea_fid_set(info, inode, fid, compat, 0);
352 CWARN("%s: cannot self repair the LMA: rc = %d\n",
354 ldiskfs_journal_stop(jh);
358 static int osd_check_lma(const struct lu_env *env, struct osd_object *obj)
360 struct osd_thread_info *info = osd_oti_get(env);
361 struct osd_device *osd = osd_obj2dev(obj);
362 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
363 struct inode *inode = obj->oo_inode;
364 struct dentry *dentry = &info->oti_obj_dentry;
365 struct lu_fid *fid = NULL;
366 const struct lu_fid *rfid = lu_object_fid(&obj->oo_dt.do_lu);
370 CLASSERT(LMA_OLD_SIZE >= sizeof(*lma));
371 rc = __osd_xattr_get(inode, dentry, XATTR_NAME_LMA,
372 info->oti_mdt_attrs_old, LMA_OLD_SIZE);
373 if (rc == -ENODATA && !fid_is_igif(rfid) && osd->od_check_ff) {
374 fid = &lma->lma_self_fid;
375 rc = osd_get_idif(info, inode, dentry, fid);
376 if ((rc > 0) || (rc == -ENODATA && osd->od_index_in_idif)) {
377 /* For the given OST-object, if it has neither LMA nor
378 * FID in XATTR_NAME_FID, then the given FID (which is
379 * contained in the @obj, from client RPC for locating
380 * the OST-object) is trusted. We use it to generate
382 osd_lma_self_repair(info, osd, inode, rfid,
388 if (unlikely(rc == -ENODATA))
396 lustre_lma_swab(lma);
397 if (unlikely((lma->lma_incompat & ~LMA_INCOMPAT_SUPP) ||
398 CFS_FAIL_CHECK(OBD_FAIL_OSD_LMA_INCOMPAT))) {
399 CWARN("%s: unsupported incompat LMA feature(s) %#x for "
400 "fid = "DFID", ino = %lu\n", osd_name(osd),
401 lma->lma_incompat & ~LMA_INCOMPAT_SUPP,
402 PFID(rfid), inode->i_ino);
405 fid = &lma->lma_self_fid;
409 if (fid != NULL && unlikely(!lu_fid_eq(rfid, fid))) {
410 if (fid_is_idif(rfid) && fid_is_idif(fid)) {
411 struct ost_id *oi = &info->oti_ostid;
412 struct lu_fid *fid1 = &info->oti_fid3;
413 __u32 idx = fid_idif_ost_idx(rfid);
415 /* For old IDIF, the OST index is not part of the IDIF,
416 * Means that different OSTs may have the same IDIFs.
417 * Under such case, we need to make some compatible
418 * check to make sure to trigger OI scrub properly. */
419 if (idx != 0 && fid_idif_ost_idx(fid) == 0) {
420 /* Given @rfid is new, LMA is old. */
421 fid_to_ostid(fid, oi);
422 ostid_to_fid(fid1, oi, idx);
423 if (lu_fid_eq(fid1, rfid)) {
424 if (osd->od_index_in_idif)
425 osd_lma_self_repair(info, osd,
439 static int osd_fid_lookup(const struct lu_env *env, struct osd_object *obj,
440 const struct lu_fid *fid,
441 const struct lu_object_conf *conf)
443 struct osd_thread_info *info;
444 struct lu_device *ldev = obj->oo_dt.do_lu.lo_dev;
445 struct osd_device *dev;
446 struct osd_idmap_cache *oic;
447 struct osd_inode_id *id;
449 struct osd_scrub *scrub;
450 struct scrub_file *sf;
454 bool in_cache = false;
455 bool triggered = false;
458 LINVRNT(osd_invariant(obj));
459 LASSERT(obj->oo_inode == NULL);
460 LASSERTF(fid_is_sane(fid) || fid_is_idif(fid), DFID"\n", PFID(fid));
463 scrub = &dev->od_scrub;
464 sf = &scrub->os_file;
465 info = osd_oti_get(env);
467 oic = &info->oti_cache;
469 if (OBD_FAIL_CHECK(OBD_FAIL_OST_ENOENT))
472 /* For the object is created as locking anchor, or for the object to
473 * be created on disk. No need to osd_oi_lookup() at here because FID
474 * shouldn't never be re-used, if it's really a duplicate FID from
475 * unexpected reason, we should be able to detect it later by calling
476 * do_create->osd_oi_insert(). */
477 if (conf != NULL && conf->loc_flags & LOC_F_NEW)
478 GOTO(out, result = 0);
480 /* Search order: 1. per-thread cache. */
481 if (lu_fid_eq(fid, &oic->oic_fid) &&
482 likely(oic->oic_dev == dev)) {
489 if (!list_empty(&scrub->os_inconsistent_items)) {
490 /* Search order: 2. OI scrub pending list. */
491 result = osd_oii_lookup(dev, fid, id);
496 /* Search order: 3. OI files. */
497 result = osd_oi_lookup(info, dev, fid, id, OI_CHECK_FLD);
498 if (result == -ENOENT) {
499 if (!(fid_is_norm(fid) || fid_is_igif(fid)) ||
500 !ldiskfs_test_bit(osd_oi_fid2idx(dev,fid),
502 GOTO(out, result = 0);
513 inode = osd_iget(info, dev, id);
515 result = PTR_ERR(inode);
516 if (result != -ENOENT && result != -ESTALE)
520 fid_zero(&oic->oic_fid);
522 result = osd_oi_lookup(info, dev, fid, id, OI_CHECK_FLD);
524 GOTO(out, result = (result == -ENOENT ? 0 : result));
526 /* The OI mapping is there, but the inode is NOT there.
527 * Two possible cases for that:
529 * 1) Backup/restore caused the OI invalid.
530 * 2) Someone unlinked the object but NOT removed
531 * the OI mapping, such as mount target device
532 * as ldiskfs, and modify something directly.
534 * Generally, when the device is mounted, it will
535 * auto check whether the system is restored from
536 * file-level backup or not. We trust such detect
537 * to distinguish the 1st case from the 2nd case. */
538 if (!(scrub->os_file.sf_flags & SF_INCONSISTENT))
539 GOTO(out, result = 0);
542 if (unlikely(triggered))
543 GOTO(out, result = saved);
546 if (thread_is_running(&scrub->os_thread)) {
547 result = -EINPROGRESS;
548 } else if (!dev->od_noscrub) {
549 /* Since we do not know the right OI mapping, we have
550 * to trigger OI scrub to scan the whole device. */
551 result = osd_scrub_start(dev, SS_AUTO_FULL |
552 SS_CLEAR_DRYRUN | SS_CLEAR_FAILOUT);
553 CDEBUG(D_LFSCK | D_CONSOLE, "%.16s: trigger OI "
554 "scrub by RPC for "DFID", rc = %d [1]\n",
555 osd_name(dev), PFID(fid), result);
556 if (result == 0 || result == -EALREADY)
557 result = -EINPROGRESS;
562 /* We still have chance to get the valid inode: for the
563 * object which is referenced by remote name entry, the
564 * object on the local MDT will be linked under the dir
565 * of "/REMOTE_PARENT_DIR" with its FID string as name.
567 * We do not know whether the object for the given FID
568 * is referenced by some remote name entry or not, and
569 * especially for DNE II, a multiple-linked object may
570 * have many name entries reside on many MDTs.
572 * To simplify the operation, OSD will not distinguish
573 * more, just lookup "/REMOTE_PARENT_DIR". Usually, it
574 * only happened for the RPC from other MDT during the
575 * OI scrub, or for the client side RPC with FID only,
576 * such as FID to path, or from old connected client. */
578 result = osd_lookup_in_remote_parent(info, dev, fid, id);
584 GOTO(out, result = saved);
587 obj->oo_inode = inode;
588 LASSERT(obj->oo_inode->i_sb == osd_sb(dev));
590 result = osd_check_lma(env, obj);
593 obj->oo_inode = NULL;
595 if (result != -EREMCHG)
599 fid_zero(&oic->oic_fid);
601 result = osd_oi_lookup(info, dev, fid, id, OI_CHECK_FLD);
605 if (result != -ENOENT)
608 if (!in_oi && (fid_is_norm(fid) || fid_is_igif(fid)) &&
609 ldiskfs_test_bit(osd_oi_fid2idx(dev, fid),
613 GOTO(out, result = 0);
616 obj->oo_compat_dot_created = 1;
617 obj->oo_compat_dotdot_created = 1;
619 if (!S_ISDIR(inode->i_mode) || !ldiskfs_pdo) /* done */
620 GOTO(out, result = 0);
622 LASSERT(obj->oo_hl_head == NULL);
623 obj->oo_hl_head = ldiskfs_htree_lock_head_alloc(HTREE_HBITS_DEF);
624 if (obj->oo_hl_head == NULL) {
625 obj->oo_inode = NULL;
627 GOTO(out, result = -ENOMEM);
629 GOTO(out, result = 0);
632 LINVRNT(osd_invariant(obj));
637 * Concurrency: shouldn't matter.
639 static void osd_object_init0(struct osd_object *obj)
641 LASSERT(obj->oo_inode != NULL);
642 obj->oo_dt.do_body_ops = &osd_body_ops;
643 obj->oo_dt.do_lu.lo_header->loh_attr |=
644 (LOHA_EXISTS | (obj->oo_inode->i_mode & S_IFMT));
648 * Concurrency: no concurrent access is possible that early in object
651 static int osd_object_init(const struct lu_env *env, struct lu_object *l,
652 const struct lu_object_conf *conf)
654 struct osd_object *obj = osd_obj(l);
657 LINVRNT(osd_invariant(obj));
659 if (fid_is_otable_it(&l->lo_header->loh_fid)) {
660 obj->oo_dt.do_ops = &osd_obj_otable_it_ops;
661 l->lo_header->loh_attr |= LOHA_EXISTS;
665 result = osd_fid_lookup(env, obj, lu_object_fid(l), conf);
666 obj->oo_dt.do_body_ops = &osd_body_ops_new;
667 if (result == 0 && obj->oo_inode != NULL)
668 osd_object_init0(obj);
670 LINVRNT(osd_invariant(obj));
675 * Concurrency: no concurrent access is possible that late in object
678 static void osd_object_free(const struct lu_env *env, struct lu_object *l)
680 struct osd_object *obj = osd_obj(l);
682 LINVRNT(osd_invariant(obj));
684 dt_object_fini(&obj->oo_dt);
685 if (obj->oo_hl_head != NULL)
686 ldiskfs_htree_lock_head_free(obj->oo_hl_head);
691 * Concurrency: no concurrent access is possible that late in object
694 static void osd_index_fini(struct osd_object *o)
696 struct iam_container *bag;
698 if (o->oo_dir != NULL) {
699 bag = &o->oo_dir->od_container;
700 if (o->oo_inode != NULL) {
701 if (bag->ic_object == o->oo_inode)
702 iam_container_fini(bag);
704 OBD_FREE_PTR(o->oo_dir);
710 * Concurrency: no concurrent access is possible that late in object
711 * life-cycle (for all existing callers, that is. New callers have to provide
712 * their own locking.)
714 static int osd_inode_unlinked(const struct inode *inode)
716 return inode->i_nlink == 0;
720 OSD_TXN_OI_DELETE_CREDITS = 20,
721 OSD_TXN_INODE_DELETE_CREDITS = 20
728 #if OSD_THANDLE_STATS
730 * Set time when the handle is allocated
732 static void osd_th_alloced(struct osd_thandle *oth)
734 oth->oth_alloced = cfs_time_current();
738 * Set time when the handle started
740 static void osd_th_started(struct osd_thandle *oth)
742 oth->oth_started = cfs_time_current();
746 * Helper function to convert time interval to microseconds packed in
749 static long interval_to_usec(cfs_time_t start, cfs_time_t end)
753 cfs_duration_usec(cfs_time_sub(end, start), &val);
754 return val.tv_sec * 1000000 + val.tv_usec;
758 * Check whether the we deal with this handle for too long.
760 static void __osd_th_check_slow(void *oth, struct osd_device *dev,
761 cfs_time_t alloced, cfs_time_t started,
764 cfs_time_t now = cfs_time_current();
766 LASSERT(dev != NULL);
768 lprocfs_counter_add(dev->od_stats, LPROC_OSD_THANDLE_STARTING,
769 interval_to_usec(alloced, started));
770 lprocfs_counter_add(dev->od_stats, LPROC_OSD_THANDLE_OPEN,
771 interval_to_usec(started, closed));
772 lprocfs_counter_add(dev->od_stats, LPROC_OSD_THANDLE_CLOSING,
773 interval_to_usec(closed, now));
775 if (cfs_time_before(cfs_time_add(alloced, cfs_time_seconds(30)), now)) {
776 CWARN("transaction handle %p was open for too long: "
778 "alloced "CFS_TIME_T" ,"
779 "started "CFS_TIME_T" ,"
780 "closed "CFS_TIME_T"\n",
781 oth, now, alloced, started, closed);
782 libcfs_debug_dumpstack(NULL);
786 #define OSD_CHECK_SLOW_TH(oth, dev, expr) \
788 cfs_time_t __closed = cfs_time_current(); \
789 cfs_time_t __alloced = oth->oth_alloced; \
790 cfs_time_t __started = oth->oth_started; \
793 __osd_th_check_slow(oth, dev, __alloced, __started, __closed); \
796 #else /* OSD_THANDLE_STATS */
798 #define osd_th_alloced(h) do {} while(0)
799 #define osd_th_started(h) do {} while(0)
800 #define OSD_CHECK_SLOW_TH(oth, dev, expr) expr
802 #endif /* OSD_THANDLE_STATS */
805 * Concurrency: doesn't access mutable data.
807 static int osd_param_is_not_sane(const struct osd_device *dev,
808 const struct thandle *th)
810 struct osd_thandle *oh = container_of(th, typeof(*oh), ot_super);
812 return oh->ot_credits > osd_transaction_size(dev);
816 * Concurrency: shouldn't matter.
818 static void osd_trans_commit_cb(struct super_block *sb,
819 struct ldiskfs_journal_cb_entry *jcb, int error)
821 struct osd_thandle *oh = container_of0(jcb, struct osd_thandle, ot_jcb);
822 struct thandle *th = &oh->ot_super;
823 struct lu_device *lud = &th->th_dev->dd_lu_dev;
824 struct dt_txn_commit_cb *dcb, *tmp;
826 LASSERT(oh->ot_handle == NULL);
829 CERROR("transaction @0x%p commit error: %d\n", th, error);
831 dt_txn_hook_commit(th);
833 /* call per-transaction callbacks if any */
834 list_for_each_entry_safe(dcb, tmp, &oh->ot_commit_dcb_list,
836 LASSERTF(dcb->dcb_magic == TRANS_COMMIT_CB_MAGIC,
837 "commit callback entry: magic=%x name='%s'\n",
838 dcb->dcb_magic, dcb->dcb_name);
839 list_del_init(&dcb->dcb_linkage);
840 dcb->dcb_func(NULL, th, dcb, error);
843 lu_ref_del_at(&lud->ld_reference, &oh->ot_dev_link, "osd-tx", th);
847 lu_context_exit(&th->th_ctx);
848 lu_context_fini(&th->th_ctx);
852 static struct thandle *osd_trans_create(const struct lu_env *env,
855 struct osd_thread_info *oti = osd_oti_get(env);
856 struct osd_iobuf *iobuf = &oti->oti_iobuf;
857 struct osd_thandle *oh;
861 /* on pending IO in this thread should left from prev. request */
862 LASSERT(atomic_read(&iobuf->dr_numreqs) == 0);
864 th = ERR_PTR(-ENOMEM);
865 OBD_ALLOC_GFP(oh, sizeof *oh, GFP_NOFS);
867 oh->ot_quota_trans = &oti->oti_quota_trans;
868 memset(oh->ot_quota_trans, 0, sizeof(*oh->ot_quota_trans));
872 th->th_tags = LCT_TX_HANDLE;
874 INIT_LIST_HEAD(&oh->ot_commit_dcb_list);
875 INIT_LIST_HEAD(&oh->ot_stop_dcb_list);
878 memset(oti->oti_declare_ops, 0,
879 sizeof(oti->oti_declare_ops));
880 memset(oti->oti_declare_ops_cred, 0,
881 sizeof(oti->oti_declare_ops_cred));
882 memset(oti->oti_declare_ops_used, 0,
883 sizeof(oti->oti_declare_ops_used));
888 void osd_trans_dump_creds(const struct lu_env *env, struct thandle *th)
890 struct osd_thread_info *oti = osd_oti_get(env);
891 struct osd_thandle *oh;
893 oh = container_of0(th, struct osd_thandle, ot_super);
896 CWARN(" create: %u/%u/%u, destroy: %u/%u/%u\n",
897 oti->oti_declare_ops[OSD_OT_CREATE],
898 oti->oti_declare_ops_cred[OSD_OT_CREATE],
899 oti->oti_declare_ops_used[OSD_OT_CREATE],
900 oti->oti_declare_ops[OSD_OT_DESTROY],
901 oti->oti_declare_ops_cred[OSD_OT_DESTROY],
902 oti->oti_declare_ops_used[OSD_OT_DESTROY]);
903 CWARN(" attr_set: %u/%u/%u, xattr_set: %u/%u/%u\n",
904 oti->oti_declare_ops[OSD_OT_ATTR_SET],
905 oti->oti_declare_ops_cred[OSD_OT_ATTR_SET],
906 oti->oti_declare_ops_used[OSD_OT_ATTR_SET],
907 oti->oti_declare_ops[OSD_OT_XATTR_SET],
908 oti->oti_declare_ops_cred[OSD_OT_XATTR_SET],
909 oti->oti_declare_ops_used[OSD_OT_XATTR_SET]);
910 CWARN(" write: %u/%u/%u, punch: %u/%u/%u, quota %u/%u/%u\n",
911 oti->oti_declare_ops[OSD_OT_WRITE],
912 oti->oti_declare_ops_cred[OSD_OT_WRITE],
913 oti->oti_declare_ops_used[OSD_OT_WRITE],
914 oti->oti_declare_ops[OSD_OT_PUNCH],
915 oti->oti_declare_ops_cred[OSD_OT_PUNCH],
916 oti->oti_declare_ops_used[OSD_OT_PUNCH],
917 oti->oti_declare_ops[OSD_OT_QUOTA],
918 oti->oti_declare_ops_cred[OSD_OT_QUOTA],
919 oti->oti_declare_ops_used[OSD_OT_QUOTA]);
920 CWARN(" insert: %u/%u/%u, delete: %u/%u/%u\n",
921 oti->oti_declare_ops[OSD_OT_INSERT],
922 oti->oti_declare_ops_cred[OSD_OT_INSERT],
923 oti->oti_declare_ops_used[OSD_OT_INSERT],
924 oti->oti_declare_ops[OSD_OT_DELETE],
925 oti->oti_declare_ops_cred[OSD_OT_DELETE],
926 oti->oti_declare_ops_used[OSD_OT_DELETE]);
927 CWARN(" ref_add: %u/%u/%u, ref_del: %u/%u/%u\n",
928 oti->oti_declare_ops[OSD_OT_REF_ADD],
929 oti->oti_declare_ops_cred[OSD_OT_REF_ADD],
930 oti->oti_declare_ops_used[OSD_OT_REF_ADD],
931 oti->oti_declare_ops[OSD_OT_REF_DEL],
932 oti->oti_declare_ops_cred[OSD_OT_REF_DEL],
933 oti->oti_declare_ops_used[OSD_OT_REF_DEL]);
937 * Concurrency: shouldn't matter.
939 static int osd_trans_start(const struct lu_env *env, struct dt_device *d,
942 struct osd_thread_info *oti = osd_oti_get(env);
943 struct osd_device *dev = osd_dt_dev(d);
945 struct osd_thandle *oh;
950 LASSERT(current->journal_info == NULL);
952 oh = container_of0(th, struct osd_thandle, ot_super);
954 LASSERT(oh->ot_handle == NULL);
956 rc = dt_txn_hook_start(env, d, th);
960 if (unlikely(osd_param_is_not_sane(dev, th))) {
961 static unsigned long last_printed;
962 static int last_credits;
964 CWARN("%.16s: too many transaction credits (%d > %d)\n",
965 LDISKFS_SB(osd_sb(dev))->s_es->s_volume_name,
967 osd_journal(dev)->j_max_transaction_buffers);
969 osd_trans_dump_creds(env, th);
971 if (last_credits != oh->ot_credits &&
972 time_after(jiffies, last_printed +
973 msecs_to_jiffies(60 * MSEC_PER_SEC))) {
974 libcfs_debug_dumpstack(NULL);
975 last_credits = oh->ot_credits;
976 last_printed = jiffies;
978 /* XXX Limit the credits to 'max_transaction_buffers', and
979 * let the underlying filesystem to catch the error if
980 * we really need so many credits.
982 * This should be removed when we can calculate the
983 * credits precisely. */
984 oh->ot_credits = osd_transaction_size(dev);
988 * XXX temporary stuff. Some abstraction layer should
991 jh = osd_journal_start_sb(osd_sb(dev), LDISKFS_HT_MISC, oh->ot_credits);
995 LASSERT(oti->oti_txns == 0);
996 lu_context_init(&th->th_ctx, th->th_tags);
997 lu_context_enter(&th->th_ctx);
999 lu_device_get(&d->dd_lu_dev);
1000 lu_ref_add_at(&d->dd_lu_dev.ld_reference, &oh->ot_dev_link,
1011 static int osd_seq_exists(const struct lu_env *env,
1012 struct osd_device *osd, u64 seq)
1014 struct lu_seq_range *range = &osd_oti_get(env)->oti_seq_range;
1015 struct seq_server_site *ss = osd_seq_site(osd);
1019 LASSERT(ss != NULL);
1020 LASSERT(ss->ss_server_fld != NULL);
1022 rc = osd_fld_lookup(env, osd, seq, range);
1025 CERROR("%s: can't lookup FLD sequence "LPX64
1026 ": rc = %d\n", osd_name(osd), seq, rc);
1030 RETURN(ss->ss_node_id == range->lsr_index);
1033 static void osd_trans_stop_cb(struct osd_thandle *oth, int result)
1035 struct dt_txn_commit_cb *dcb;
1036 struct dt_txn_commit_cb *tmp;
1038 /* call per-transaction stop callbacks if any */
1039 list_for_each_entry_safe(dcb, tmp, &oth->ot_stop_dcb_list,
1041 LASSERTF(dcb->dcb_magic == TRANS_COMMIT_CB_MAGIC,
1042 "commit callback entry: magic=%x name='%s'\n",
1043 dcb->dcb_magic, dcb->dcb_name);
1044 list_del_init(&dcb->dcb_linkage);
1045 dcb->dcb_func(NULL, &oth->ot_super, dcb, result);
1050 * Concurrency: shouldn't matter.
1052 static int osd_trans_stop(const struct lu_env *env, struct dt_device *dt,
1056 struct osd_thandle *oh;
1057 struct osd_thread_info *oti = osd_oti_get(env);
1058 struct osd_iobuf *iobuf = &oti->oti_iobuf;
1059 struct osd_device *osd = osd_dt_dev(th->th_dev);
1060 struct qsd_instance *qsd = osd->od_quota_slave;
1061 struct lquota_trans *qtrans;
1064 oh = container_of0(th, struct osd_thandle, ot_super);
1066 qtrans = oh->ot_quota_trans;
1067 oh->ot_quota_trans = NULL;
1069 if (oh->ot_handle != NULL) {
1070 handle_t *hdl = oh->ot_handle;
1073 * add commit callback
1074 * notice we don't do this in osd_trans_start()
1075 * as underlying transaction can change during truncate
1077 ldiskfs_journal_callback_add(hdl, osd_trans_commit_cb,
1080 LASSERT(oti->oti_txns == 1);
1083 rc = dt_txn_hook_stop(env, th);
1085 CERROR("%s: failed in transaction hook: rc = %d\n",
1088 osd_trans_stop_cb(oh, rc);
1089 /* hook functions might modify th_sync */
1090 hdl->h_sync = th->th_sync;
1092 oh->ot_handle = NULL;
1093 OSD_CHECK_SLOW_TH(oh, osd, rc = ldiskfs_journal_stop(hdl));
1095 CERROR("%s: failed to stop transaction: rc = %d\n",
1098 osd_trans_stop_cb(oh, th->th_result);
1102 /* inform the quota slave device that the transaction is stopping */
1103 qsd_op_end(env, qsd, qtrans);
1105 /* as we want IO to journal and data IO be concurrent, we don't block
1106 * awaiting data IO completion in osd_do_bio(), instead we wait here
1107 * once transaction is submitted to the journal. all reqular requests
1108 * don't do direct IO (except read/write), thus this wait_event becomes
1111 * IMPORTANT: we have to wait till any IO submited by the thread is
1112 * completed otherwise iobuf may be corrupted by different request
1114 wait_event(iobuf->dr_wait,
1115 atomic_read(&iobuf->dr_numreqs) == 0);
1116 osd_fini_iobuf(osd, iobuf);
1118 rc = iobuf->dr_error;
1123 static int osd_trans_cb_add(struct thandle *th, struct dt_txn_commit_cb *dcb)
1125 struct osd_thandle *oh = container_of0(th, struct osd_thandle,
1128 LASSERT(dcb->dcb_magic == TRANS_COMMIT_CB_MAGIC);
1129 LASSERT(&dcb->dcb_func != NULL);
1130 if (dcb->dcb_flags & DCB_TRANS_STOP)
1131 list_add(&dcb->dcb_linkage, &oh->ot_stop_dcb_list);
1133 list_add(&dcb->dcb_linkage, &oh->ot_commit_dcb_list);
1139 * Called just before object is freed. Releases all resources except for
1140 * object itself (that is released by osd_object_free()).
1142 * Concurrency: no concurrent access is possible that late in object
1145 static void osd_object_delete(const struct lu_env *env, struct lu_object *l)
1147 struct osd_object *obj = osd_obj(l);
1148 struct inode *inode = obj->oo_inode;
1150 LINVRNT(osd_invariant(obj));
1153 * If object is unlinked remove fid->ino mapping from object index.
1156 osd_index_fini(obj);
1157 if (inode != NULL) {
1158 struct qsd_instance *qsd = osd_obj2dev(obj)->od_quota_slave;
1159 qid_t uid = i_uid_read(inode);
1160 qid_t gid = i_gid_read(inode);
1163 obj->oo_inode = NULL;
1166 struct osd_thread_info *info = osd_oti_get(env);
1167 struct lquota_id_info *qi = &info->oti_qi;
1169 /* Release granted quota to master if necessary */
1170 qi->lqi_id.qid_uid = uid;
1171 qsd_op_adjust(env, qsd, &qi->lqi_id, USRQUOTA);
1173 qi->lqi_id.qid_uid = gid;
1174 qsd_op_adjust(env, qsd, &qi->lqi_id, GRPQUOTA);
1180 * Concurrency: ->loo_object_release() is called under site spin-lock.
1182 static void osd_object_release(const struct lu_env *env,
1183 struct lu_object *l)
1188 * Concurrency: shouldn't matter.
1190 static int osd_object_print(const struct lu_env *env, void *cookie,
1191 lu_printer_t p, const struct lu_object *l)
1193 struct osd_object *o = osd_obj(l);
1194 struct iam_descr *d;
1196 if (o->oo_dir != NULL)
1197 d = o->oo_dir->od_container.ic_descr;
1200 return (*p)(env, cookie,
1201 LUSTRE_OSD_LDISKFS_NAME"-object@%p(i:%p:%lu/%u)[%s]",
1203 o->oo_inode ? o->oo_inode->i_ino : 0UL,
1204 o->oo_inode ? o->oo_inode->i_generation : 0,
1205 d ? d->id_ops->id_name : "plain");
1208 #define GRANT_FOR_LOCAL_OIDS 32 /* 128kB for last_rcvd, quota files, ... */
1211 * Concurrency: shouldn't matter.
1213 int osd_statfs(const struct lu_env *env, struct dt_device *d,
1214 struct obd_statfs *sfs)
1216 struct osd_device *osd = osd_dt_dev(d);
1217 struct super_block *sb = osd_sb(osd);
1218 struct kstatfs *ksfs;
1221 if (unlikely(osd->od_mnt == NULL))
1222 return -EINPROGRESS;
1224 /* osd_lproc.c call this without env, allocate ksfs for that case */
1225 if (unlikely(env == NULL)) {
1226 OBD_ALLOC_PTR(ksfs);
1230 ksfs = &osd_oti_get(env)->oti_ksfs;
1233 spin_lock(&osd->od_osfs_lock);
1234 result = sb->s_op->statfs(sb->s_root, ksfs);
1235 if (likely(result == 0)) { /* N.B. statfs can't really fail */
1236 statfs_pack(sfs, ksfs);
1237 if (unlikely(sb->s_flags & MS_RDONLY))
1238 sfs->os_state = OS_STATE_READONLY;
1239 if (LDISKFS_HAS_INCOMPAT_FEATURE(sb,
1240 LDISKFS_FEATURE_INCOMPAT_EXTENTS))
1241 sfs->os_maxbytes = sb->s_maxbytes;
1243 sfs->os_maxbytes = LDISKFS_SB(sb)->s_bitmap_maxbytes;
1245 spin_unlock(&osd->od_osfs_lock);
1247 if (unlikely(env == NULL))
1250 /* Reserve a small amount of space for local objects like last_rcvd,
1251 * llog, quota files, ... */
1252 if (sfs->os_bavail <= GRANT_FOR_LOCAL_OIDS) {
1255 sfs->os_bavail -= GRANT_FOR_LOCAL_OIDS;
1256 /** Take out metadata overhead for indirect blocks */
1257 sfs->os_bavail -= sfs->os_bavail >> (sb->s_blocksize_bits - 3);
1264 * Estimate space needed for file creations. We assume the largest filename
1265 * which is 2^64 - 1, hence a filename of 20 chars.
1266 * This is 28 bytes per object which is 28MB for 1M objects ... no so bad.
1268 #ifdef __LDISKFS_DIR_REC_LEN
1269 #define PER_OBJ_USAGE __LDISKFS_DIR_REC_LEN(20)
1271 #define PER_OBJ_USAGE LDISKFS_DIR_REC_LEN(20)
1275 * Concurrency: doesn't access mutable data.
1277 static void osd_conf_get(const struct lu_env *env,
1278 const struct dt_device *dev,
1279 struct dt_device_param *param)
1281 struct super_block *sb = osd_sb(osd_dt_dev(dev));
1285 * XXX should be taken from not-yet-existing fs abstraction layer.
1287 param->ddp_max_name_len = LDISKFS_NAME_LEN;
1288 param->ddp_max_nlink = LDISKFS_LINK_MAX;
1289 param->ddp_block_shift = sb->s_blocksize_bits;
1290 param->ddp_mount_type = LDD_MT_LDISKFS;
1291 if (LDISKFS_HAS_INCOMPAT_FEATURE(sb, LDISKFS_FEATURE_INCOMPAT_EXTENTS))
1292 param->ddp_maxbytes = sb->s_maxbytes;
1294 param->ddp_maxbytes = LDISKFS_SB(sb)->s_bitmap_maxbytes;
1295 /* Overhead estimate should be fairly accurate, so we really take a tiny
1296 * error margin which also avoids fragmenting the filesystem too much */
1297 param->ddp_grant_reserved = 2; /* end up to be 1.9% after conversion */
1298 /* inode are statically allocated, so per-inode space consumption
1299 * is the space consumed by the directory entry */
1300 param->ddp_inodespace = PER_OBJ_USAGE;
1301 /* per-fragment overhead to be used by the client code */
1302 param->ddp_grant_frag = 6 * LDISKFS_BLOCK_SIZE(sb);
1303 param->ddp_mntopts = 0;
1304 if (test_opt(sb, XATTR_USER))
1305 param->ddp_mntopts |= MNTOPT_USERXATTR;
1306 if (test_opt(sb, POSIX_ACL))
1307 param->ddp_mntopts |= MNTOPT_ACL;
1309 /* LOD might calculate the max stripe count based on max_ea_size,
1310 * so we need take account in the overhead as well,
1311 * xattr_header + magic + xattr_entry_head */
1312 ea_overhead = sizeof(struct ldiskfs_xattr_header) + sizeof(__u32) +
1313 LDISKFS_XATTR_LEN(XATTR_NAME_MAX_LEN);
1315 #if defined(LDISKFS_FEATURE_INCOMPAT_EA_INODE)
1316 if (LDISKFS_HAS_INCOMPAT_FEATURE(sb, LDISKFS_FEATURE_INCOMPAT_EA_INODE))
1317 param->ddp_max_ea_size = LDISKFS_XATTR_MAX_LARGE_EA_SIZE -
1321 param->ddp_max_ea_size = sb->s_blocksize - ea_overhead;
1325 * Concurrency: shouldn't matter.
1327 static int osd_sync(const struct lu_env *env, struct dt_device *d)
1331 CDEBUG(D_CACHE, "syncing OSD %s\n", LUSTRE_OSD_LDISKFS_NAME);
1333 rc = ldiskfs_force_commit(osd_sb(osd_dt_dev(d)));
1335 CDEBUG(D_CACHE, "synced OSD %s: rc = %d\n",
1336 LUSTRE_OSD_LDISKFS_NAME, rc);
1342 * Start commit for OSD device.
1344 * An implementation of dt_commit_async method for OSD device.
1345 * Asychronously starts underlayng fs sync and thereby a transaction
1348 * \param env environment
1349 * \param d dt device
1351 * \see dt_device_operations
1353 static int osd_commit_async(const struct lu_env *env,
1354 struct dt_device *d)
1356 struct super_block *s = osd_sb(osd_dt_dev(d));
1359 CDEBUG(D_HA, "async commit OSD %s\n", LUSTRE_OSD_LDISKFS_NAME);
1360 RETURN(s->s_op->sync_fs(s, 0));
1364 * Concurrency: shouldn't matter.
1367 static int osd_ro(const struct lu_env *env, struct dt_device *d)
1369 struct super_block *sb = osd_sb(osd_dt_dev(d));
1370 struct block_device *dev = sb->s_bdev;
1371 #ifdef HAVE_DEV_SET_RDONLY
1372 struct block_device *jdev = LDISKFS_SB(sb)->journal_bdev;
1375 int rc = -EOPNOTSUPP;
1379 #ifdef HAVE_DEV_SET_RDONLY
1380 CERROR("*** setting %s read-only ***\n", osd_dt_dev(d)->od_svname);
1382 if (jdev && (jdev != dev)) {
1383 CDEBUG(D_IOCTL | D_HA, "set journal dev %lx rdonly\n",
1385 dev_set_rdonly(jdev);
1387 CDEBUG(D_IOCTL | D_HA, "set dev %lx rdonly\n", (long)dev);
1388 dev_set_rdonly(dev);
1390 CERROR("%s: %lx CANNOT BE SET READONLY: rc = %d\n",
1391 osd_dt_dev(d)->od_svname, (long)dev, rc);
1397 * Note: we do not count into QUOTA here.
1398 * If we mount with --data_journal we may need more.
1400 const int osd_dto_credits_noquota[DTO_NR] = {
1403 * INDEX_EXTRA_TRANS_BLOCKS(8) +
1404 * SINGLEDATA_TRANS_BLOCKS(8)
1405 * XXX Note: maybe iam need more, since iam have more level than
1408 [DTO_INDEX_INSERT] = 16,
1411 * just modify a single entry, probably merge few within a block
1413 [DTO_INDEX_DELETE] = 1,
1417 [DTO_INDEX_UPDATE] = 16,
1419 * 4(inode, inode bits, groups, GDT)
1420 * notice: OI updates are counted separately with DTO_INDEX_INSERT
1422 [DTO_OBJECT_CREATE] = 4,
1424 * 4(inode, inode bits, groups, GDT)
1425 * notice: OI updates are counted separately with DTO_INDEX_DELETE
1427 [DTO_OBJECT_DELETE] = 4,
1429 * Attr set credits (inode)
1431 [DTO_ATTR_SET_BASE] = 1,
1433 * Xattr set. The same as xattr of EXT3.
1434 * DATA_TRANS_BLOCKS(14)
1435 * XXX Note: in original MDS implmentation INDEX_EXTRA_TRANS_BLOCKS
1436 * are also counted in. Do not know why?
1438 [DTO_XATTR_SET] = 14,
1440 * credits for inode change during write.
1442 [DTO_WRITE_BASE] = 3,
1444 * credits for single block write.
1446 [DTO_WRITE_BLOCK] = 14,
1448 * Attr set credits for chown.
1449 * This is extra credits for setattr, and it is null without quota
1451 [DTO_ATTR_SET_CHOWN] = 0
1454 static const struct dt_device_operations osd_dt_ops = {
1455 .dt_root_get = osd_root_get,
1456 .dt_statfs = osd_statfs,
1457 .dt_trans_create = osd_trans_create,
1458 .dt_trans_start = osd_trans_start,
1459 .dt_trans_stop = osd_trans_stop,
1460 .dt_trans_cb_add = osd_trans_cb_add,
1461 .dt_conf_get = osd_conf_get,
1462 .dt_sync = osd_sync,
1464 .dt_commit_async = osd_commit_async,
1467 static void osd_object_read_lock(const struct lu_env *env,
1468 struct dt_object *dt, unsigned role)
1470 struct osd_object *obj = osd_dt_obj(dt);
1471 struct osd_thread_info *oti = osd_oti_get(env);
1473 LINVRNT(osd_invariant(obj));
1475 LASSERT(obj->oo_owner != env);
1476 down_read_nested(&obj->oo_sem, role);
1478 LASSERT(obj->oo_owner == NULL);
1482 static void osd_object_write_lock(const struct lu_env *env,
1483 struct dt_object *dt, unsigned role)
1485 struct osd_object *obj = osd_dt_obj(dt);
1486 struct osd_thread_info *oti = osd_oti_get(env);
1488 LINVRNT(osd_invariant(obj));
1490 LASSERT(obj->oo_owner != env);
1491 down_write_nested(&obj->oo_sem, role);
1493 LASSERT(obj->oo_owner == NULL);
1494 obj->oo_owner = env;
1498 static void osd_object_read_unlock(const struct lu_env *env,
1499 struct dt_object *dt)
1501 struct osd_object *obj = osd_dt_obj(dt);
1502 struct osd_thread_info *oti = osd_oti_get(env);
1504 LINVRNT(osd_invariant(obj));
1506 LASSERT(oti->oti_r_locks > 0);
1508 up_read(&obj->oo_sem);
1511 static void osd_object_write_unlock(const struct lu_env *env,
1512 struct dt_object *dt)
1514 struct osd_object *obj = osd_dt_obj(dt);
1515 struct osd_thread_info *oti = osd_oti_get(env);
1517 LINVRNT(osd_invariant(obj));
1519 LASSERT(obj->oo_owner == env);
1520 LASSERT(oti->oti_w_locks > 0);
1522 obj->oo_owner = NULL;
1523 up_write(&obj->oo_sem);
1526 static int osd_object_write_locked(const struct lu_env *env,
1527 struct dt_object *dt)
1529 struct osd_object *obj = osd_dt_obj(dt);
1531 LINVRNT(osd_invariant(obj));
1533 return obj->oo_owner == env;
1536 static struct timespec *osd_inode_time(const struct lu_env *env,
1537 struct inode *inode, __u64 seconds)
1539 struct osd_thread_info *oti = osd_oti_get(env);
1540 struct timespec *t = &oti->oti_time;
1542 t->tv_sec = seconds;
1544 *t = timespec_trunc(*t, inode->i_sb->s_time_gran);
1549 static void osd_inode_getattr(const struct lu_env *env,
1550 struct inode *inode, struct lu_attr *attr)
1552 attr->la_valid |= LA_ATIME | LA_MTIME | LA_CTIME | LA_MODE |
1553 LA_SIZE | LA_BLOCKS | LA_UID | LA_GID |
1554 LA_FLAGS | LA_NLINK | LA_RDEV | LA_BLKSIZE |
1557 attr->la_atime = LTIME_S(inode->i_atime);
1558 attr->la_mtime = LTIME_S(inode->i_mtime);
1559 attr->la_ctime = LTIME_S(inode->i_ctime);
1560 attr->la_mode = inode->i_mode;
1561 attr->la_size = i_size_read(inode);
1562 attr->la_blocks = inode->i_blocks;
1563 attr->la_uid = i_uid_read(inode);
1564 attr->la_gid = i_gid_read(inode);
1565 attr->la_flags = LDISKFS_I(inode)->i_flags;
1566 attr->la_nlink = inode->i_nlink;
1567 attr->la_rdev = inode->i_rdev;
1568 attr->la_blksize = 1 << inode->i_blkbits;
1569 attr->la_blkbits = inode->i_blkbits;
1572 static int osd_attr_get(const struct lu_env *env,
1573 struct dt_object *dt,
1574 struct lu_attr *attr)
1576 struct osd_object *obj = osd_dt_obj(dt);
1578 if (!dt_object_exists(dt))
1581 LASSERT(!dt_object_remote(dt));
1582 LINVRNT(osd_invariant(obj));
1584 spin_lock(&obj->oo_guard);
1585 osd_inode_getattr(env, obj->oo_inode, attr);
1586 spin_unlock(&obj->oo_guard);
1590 static int osd_declare_attr_set(const struct lu_env *env,
1591 struct dt_object *dt,
1592 const struct lu_attr *attr,
1593 struct thandle *handle)
1595 struct osd_thandle *oh;
1596 struct osd_object *obj;
1597 struct osd_thread_info *info = osd_oti_get(env);
1598 struct lquota_id_info *qi = &info->oti_qi;
1606 LASSERT(dt != NULL);
1607 LASSERT(handle != NULL);
1609 obj = osd_dt_obj(dt);
1610 LASSERT(osd_invariant(obj));
1612 oh = container_of0(handle, struct osd_thandle, ot_super);
1613 LASSERT(oh->ot_handle == NULL);
1615 osd_trans_declare_op(env, oh, OSD_OT_ATTR_SET,
1616 osd_dto_credits_noquota[DTO_ATTR_SET_BASE]);
1618 if (attr == NULL || obj->oo_inode == NULL)
1621 bspace = obj->oo_inode->i_blocks;
1622 bspace <<= obj->oo_inode->i_sb->s_blocksize_bits;
1623 bspace = toqb(bspace);
1625 /* Changing ownership is always preformed by super user, it should not
1628 * We still need to call the osd_declare_qid() to calculate the journal
1629 * credits for updating quota accounting files and to trigger quota
1630 * space adjustment once the operation is completed.*/
1631 if (attr->la_valid & LA_UID || attr->la_valid & LA_GID) {
1633 uid = i_uid_read(obj->oo_inode);
1634 qi->lqi_type = USRQUOTA;
1635 enforce = (attr->la_valid & LA_UID) && (attr->la_uid != uid);
1636 /* inode accounting */
1637 qi->lqi_is_blk = false;
1639 /* one more inode for the new uid ... */
1640 qi->lqi_id.qid_uid = attr->la_uid;
1642 /* Reserve credits for the new uid */
1643 rc = osd_declare_qid(env, oh, qi, NULL, enforce, NULL);
1644 if (rc == -EDQUOT || rc == -EINPROGRESS)
1649 /* and one less inode for the current uid */
1650 qi->lqi_id.qid_uid = uid;
1652 rc = osd_declare_qid(env, oh, qi, obj, enforce, NULL);
1653 if (rc == -EDQUOT || rc == -EINPROGRESS)
1658 /* block accounting */
1659 qi->lqi_is_blk = true;
1661 /* more blocks for the new uid ... */
1662 qi->lqi_id.qid_uid = attr->la_uid;
1663 qi->lqi_space = bspace;
1665 * Credits for the new uid has been reserved, re-use "obj"
1666 * to save credit reservation.
1668 rc = osd_declare_qid(env, oh, qi, obj, enforce, NULL);
1669 if (rc == -EDQUOT || rc == -EINPROGRESS)
1674 /* and finally less blocks for the current uid */
1675 qi->lqi_id.qid_uid = uid;
1676 qi->lqi_space = -bspace;
1677 rc = osd_declare_qid(env, oh, qi, obj, enforce, NULL);
1678 if (rc == -EDQUOT || rc == -EINPROGRESS)
1684 gid = i_gid_read(obj->oo_inode);
1685 qi->lqi_type = GRPQUOTA;
1686 enforce = (attr->la_valid & LA_GID) && (attr->la_gid != gid);
1688 /* inode accounting */
1689 qi->lqi_is_blk = false;
1691 /* one more inode for the new gid ... */
1692 qi->lqi_id.qid_gid = attr->la_gid;
1694 rc = osd_declare_qid(env, oh, qi, NULL, enforce, NULL);
1695 if (rc == -EDQUOT || rc == -EINPROGRESS)
1700 /* and one less inode for the current gid */
1701 qi->lqi_id.qid_gid = gid;
1703 rc = osd_declare_qid(env, oh, qi, obj, enforce, NULL);
1704 if (rc == -EDQUOT || rc == -EINPROGRESS)
1709 /* block accounting */
1710 qi->lqi_is_blk = true;
1712 /* more blocks for the new gid ... */
1713 qi->lqi_id.qid_gid = attr->la_gid;
1714 qi->lqi_space = bspace;
1715 rc = osd_declare_qid(env, oh, qi, obj, enforce, NULL);
1716 if (rc == -EDQUOT || rc == -EINPROGRESS)
1721 /* and finally less blocks for the current gid */
1722 qi->lqi_id.qid_gid = gid;
1723 qi->lqi_space = -bspace;
1724 rc = osd_declare_qid(env, oh, qi, obj, enforce, NULL);
1725 if (rc == -EDQUOT || rc == -EINPROGRESS)
1734 static int osd_inode_setattr(const struct lu_env *env,
1735 struct inode *inode, const struct lu_attr *attr)
1737 __u64 bits = attr->la_valid;
1739 /* Only allow set size for regular file */
1740 if (!S_ISREG(inode->i_mode))
1741 bits &= ~(LA_SIZE | LA_BLOCKS);
1746 if (bits & LA_ATIME)
1747 inode->i_atime = *osd_inode_time(env, inode, attr->la_atime);
1748 if (bits & LA_CTIME)
1749 inode->i_ctime = *osd_inode_time(env, inode, attr->la_ctime);
1750 if (bits & LA_MTIME)
1751 inode->i_mtime = *osd_inode_time(env, inode, attr->la_mtime);
1752 if (bits & LA_SIZE) {
1753 LDISKFS_I(inode)->i_disksize = attr->la_size;
1754 i_size_write(inode, attr->la_size);
1758 /* OSD should not change "i_blocks" which is used by quota.
1759 * "i_blocks" should be changed by ldiskfs only. */
1760 if (bits & LA_BLOCKS)
1761 inode->i_blocks = attr->la_blocks;
1764 inode->i_mode = (inode->i_mode & S_IFMT) |
1765 (attr->la_mode & ~S_IFMT);
1767 i_uid_write(inode, attr->la_uid);
1769 i_gid_write(inode, attr->la_gid);
1770 if (bits & LA_NLINK)
1771 set_nlink(inode, attr->la_nlink);
1773 inode->i_rdev = attr->la_rdev;
1775 if (bits & LA_FLAGS) {
1776 /* always keep S_NOCMTIME */
1777 inode->i_flags = ll_ext_to_inode_flags(attr->la_flags) |
1783 static int osd_quota_transfer(struct inode *inode, const struct lu_attr *attr)
1785 if ((attr->la_valid & LA_UID && attr->la_uid != i_uid_read(inode)) ||
1786 (attr->la_valid & LA_GID && attr->la_gid != i_gid_read(inode))) {
1790 ll_vfs_dq_init(inode);
1792 if (attr->la_valid & LA_UID)
1793 iattr.ia_valid |= ATTR_UID;
1794 if (attr->la_valid & LA_GID)
1795 iattr.ia_valid |= ATTR_GID;
1796 iattr.ia_uid = make_kuid(&init_user_ns, attr->la_uid);
1797 iattr.ia_gid = make_kgid(&init_user_ns, attr->la_gid);
1799 rc = ll_vfs_dq_transfer(inode, &iattr);
1801 CERROR("%s: quota transfer failed: rc = %d. Is quota "
1802 "enforcement enabled on the ldiskfs "
1803 "filesystem?\n", inode->i_sb->s_id, rc);
1810 static int osd_attr_set(const struct lu_env *env,
1811 struct dt_object *dt,
1812 const struct lu_attr *attr,
1813 struct thandle *handle)
1815 struct osd_object *obj = osd_dt_obj(dt);
1816 struct inode *inode;
1819 if (!dt_object_exists(dt))
1822 LASSERT(handle != NULL);
1823 LASSERT(!dt_object_remote(dt));
1824 LASSERT(osd_invariant(obj));
1826 osd_trans_exec_op(env, handle, OSD_OT_ATTR_SET);
1828 if (OBD_FAIL_CHECK(OBD_FAIL_OSD_FID_MAPPING)) {
1829 struct osd_thread_info *oti = osd_oti_get(env);
1830 const struct lu_fid *fid0 = lu_object_fid(&dt->do_lu);
1831 struct lu_fid *fid1 = &oti->oti_fid;
1832 struct osd_inode_id *id = &oti->oti_id;
1833 struct iam_path_descr *ipd;
1834 struct iam_container *bag;
1835 struct osd_thandle *oh;
1838 fid_cpu_to_be(fid1, fid0);
1839 memset(id, 1, sizeof(*id));
1840 bag = &osd_fid2oi(osd_dev(dt->do_lu.lo_dev),
1841 fid0)->oi_dir.od_container;
1842 ipd = osd_idx_ipd_get(env, bag);
1843 if (unlikely(ipd == NULL))
1846 oh = container_of0(handle, struct osd_thandle, ot_super);
1847 rc = iam_update(oh->ot_handle, bag, (const struct iam_key *)fid1,
1848 (const struct iam_rec *)id, ipd);
1849 osd_ipd_put(env, bag, ipd);
1850 return(rc > 0 ? 0 : rc);
1853 inode = obj->oo_inode;
1855 rc = osd_quota_transfer(inode, attr);
1859 spin_lock(&obj->oo_guard);
1860 rc = osd_inode_setattr(env, inode, attr);
1861 spin_unlock(&obj->oo_guard);
1864 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
1866 osd_trans_exec_check(env, handle, OSD_OT_ATTR_SET);
1871 static struct dentry *osd_child_dentry_get(const struct lu_env *env,
1872 struct osd_object *obj,
1873 const char *name, const int namelen)
1875 return osd_child_dentry_by_inode(env, obj->oo_inode, name, namelen);
1878 static int osd_mkfile(struct osd_thread_info *info, struct osd_object *obj,
1879 umode_t mode, struct dt_allocation_hint *hint,
1883 struct osd_device *osd = osd_obj2dev(obj);
1884 struct osd_thandle *oth;
1885 struct dt_object *parent = NULL;
1886 struct inode *inode;
1888 LINVRNT(osd_invariant(obj));
1889 LASSERT(obj->oo_inode == NULL);
1890 LASSERT(obj->oo_hl_head == NULL);
1892 if (S_ISDIR(mode) && ldiskfs_pdo) {
1893 obj->oo_hl_head =ldiskfs_htree_lock_head_alloc(HTREE_HBITS_DEF);
1894 if (obj->oo_hl_head == NULL)
1898 oth = container_of(th, struct osd_thandle, ot_super);
1899 LASSERT(oth->ot_handle->h_transaction != NULL);
1901 if (hint != NULL && hint->dah_parent != NULL &&
1902 !dt_object_remote(hint->dah_parent))
1903 parent = hint->dah_parent;
1905 inode = ldiskfs_create_inode(oth->ot_handle,
1906 parent ? osd_dt_obj(parent)->oo_inode :
1907 osd_sb(osd)->s_root->d_inode,
1909 if (!IS_ERR(inode)) {
1910 /* Do not update file c/mtime in ldiskfs. */
1911 inode->i_flags |= S_NOCMTIME;
1913 /* For new created object, it must be consistent,
1914 * and it is unnecessary to scrub against it. */
1915 ldiskfs_set_inode_state(inode, LDISKFS_STATE_LUSTRE_NOSCRUB);
1917 obj->oo_inode = inode;
1920 if (obj->oo_hl_head != NULL) {
1921 ldiskfs_htree_lock_head_free(obj->oo_hl_head);
1922 obj->oo_hl_head = NULL;
1924 result = PTR_ERR(inode);
1926 LINVRNT(osd_invariant(obj));
1934 static int osd_mkdir(struct osd_thread_info *info, struct osd_object *obj,
1935 struct lu_attr *attr,
1936 struct dt_allocation_hint *hint,
1937 struct dt_object_format *dof,
1941 struct osd_thandle *oth;
1942 __u32 mode = (attr->la_mode & (S_IFMT | S_IRWXUGO | S_ISVTX));
1944 LASSERT(S_ISDIR(attr->la_mode));
1946 oth = container_of(th, struct osd_thandle, ot_super);
1947 LASSERT(oth->ot_handle->h_transaction != NULL);
1948 result = osd_mkfile(info, obj, mode, hint, th);
1953 static int osd_mk_index(struct osd_thread_info *info, struct osd_object *obj,
1954 struct lu_attr *attr,
1955 struct dt_allocation_hint *hint,
1956 struct dt_object_format *dof,
1960 struct osd_thandle *oth;
1961 const struct dt_index_features *feat = dof->u.dof_idx.di_feat;
1963 __u32 mode = (attr->la_mode & (S_IFMT | S_IALLUGO | S_ISVTX));
1965 LASSERT(S_ISREG(attr->la_mode));
1967 oth = container_of(th, struct osd_thandle, ot_super);
1968 LASSERT(oth->ot_handle->h_transaction != NULL);
1970 result = osd_mkfile(info, obj, mode, hint, th);
1972 LASSERT(obj->oo_inode != NULL);
1973 if (feat->dif_flags & DT_IND_VARKEY)
1974 result = iam_lvar_create(obj->oo_inode,
1975 feat->dif_keysize_max,
1977 feat->dif_recsize_max,
1980 result = iam_lfix_create(obj->oo_inode,
1981 feat->dif_keysize_max,
1983 feat->dif_recsize_max,
1990 static int osd_mkreg(struct osd_thread_info *info, struct osd_object *obj,
1991 struct lu_attr *attr,
1992 struct dt_allocation_hint *hint,
1993 struct dt_object_format *dof,
1996 LASSERT(S_ISREG(attr->la_mode));
1997 return osd_mkfile(info, obj, (attr->la_mode &
1998 (S_IFMT | S_IALLUGO | S_ISVTX)), hint, th);
2001 static int osd_mksym(struct osd_thread_info *info, struct osd_object *obj,
2002 struct lu_attr *attr,
2003 struct dt_allocation_hint *hint,
2004 struct dt_object_format *dof,
2007 LASSERT(S_ISLNK(attr->la_mode));
2008 return osd_mkfile(info, obj, (attr->la_mode &
2009 (S_IFMT | S_IALLUGO | S_ISVTX)), hint, th);
2012 static int osd_mknod(struct osd_thread_info *info, struct osd_object *obj,
2013 struct lu_attr *attr,
2014 struct dt_allocation_hint *hint,
2015 struct dt_object_format *dof,
2018 umode_t mode = attr->la_mode & (S_IFMT | S_IALLUGO | S_ISVTX);
2021 LINVRNT(osd_invariant(obj));
2022 LASSERT(obj->oo_inode == NULL);
2023 LASSERT(S_ISCHR(mode) || S_ISBLK(mode) ||
2024 S_ISFIFO(mode) || S_ISSOCK(mode));
2026 result = osd_mkfile(info, obj, mode, hint, th);
2028 LASSERT(obj->oo_inode != NULL);
2030 * This inode should be marked dirty for i_rdev. Currently
2031 * that is done in the osd_attr_init().
2033 init_special_inode(obj->oo_inode, obj->oo_inode->i_mode,
2036 LINVRNT(osd_invariant(obj));
2040 typedef int (*osd_obj_type_f)(struct osd_thread_info *, struct osd_object *,
2042 struct dt_allocation_hint *hint,
2043 struct dt_object_format *dof,
2046 static osd_obj_type_f osd_create_type_f(enum dt_format_type type)
2048 osd_obj_type_f result;
2064 result = osd_mk_index;
2075 static void osd_ah_init(const struct lu_env *env, struct dt_allocation_hint *ah,
2076 struct dt_object *parent, struct dt_object *child,
2081 ah->dah_parent = parent;
2082 ah->dah_mode = child_mode;
2085 static void osd_attr_init(struct osd_thread_info *info, struct osd_object *obj,
2086 struct lu_attr *attr, struct dt_object_format *dof)
2088 struct inode *inode = obj->oo_inode;
2089 __u64 valid = attr->la_valid;
2092 attr->la_valid &= ~(LA_TYPE | LA_MODE);
2094 if (dof->dof_type != DFT_NODE)
2095 attr->la_valid &= ~LA_RDEV;
2096 if ((valid & LA_ATIME) && (attr->la_atime == LTIME_S(inode->i_atime)))
2097 attr->la_valid &= ~LA_ATIME;
2098 if ((valid & LA_CTIME) && (attr->la_ctime == LTIME_S(inode->i_ctime)))
2099 attr->la_valid &= ~LA_CTIME;
2100 if ((valid & LA_MTIME) && (attr->la_mtime == LTIME_S(inode->i_mtime)))
2101 attr->la_valid &= ~LA_MTIME;
2103 result = osd_quota_transfer(inode, attr);
2107 if (attr->la_valid != 0) {
2108 result = osd_inode_setattr(info->oti_env, inode, attr);
2110 * The osd_inode_setattr() should always succeed here. The
2111 * only error that could be returned is EDQUOT when we are
2112 * trying to change the UID or GID of the inode. However, this
2113 * should not happen since quota enforcement is no longer
2114 * enabled on ldiskfs (lquota takes care of it).
2116 LASSERTF(result == 0, "%d\n", result);
2117 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2120 attr->la_valid = valid;
2124 * Helper function for osd_object_create()
2126 * \retval 0, on success
2128 static int __osd_object_create(struct osd_thread_info *info,
2129 struct osd_object *obj, struct lu_attr *attr,
2130 struct dt_allocation_hint *hint,
2131 struct dt_object_format *dof,
2137 osd_trans_exec_op(info->oti_env, th, OSD_OT_CREATE);
2139 /* we drop umask so that permissions we pass are not affected */
2140 umask = current->fs->umask;
2141 current->fs->umask = 0;
2143 result = osd_create_type_f(dof->dof_type)(info, obj, attr, hint, dof,
2145 if (likely(obj->oo_inode != NULL)) {
2146 LASSERT(obj->oo_inode->i_state & I_NEW);
2148 /* Unlock the inode before attr initialization to avoid
2149 * unnecessary dqget operations. LU-6378 */
2150 unlock_new_inode(obj->oo_inode);
2153 if (likely(result == 0)) {
2154 osd_attr_init(info, obj, attr, dof);
2155 osd_object_init0(obj);
2158 /* restore previous umask value */
2159 current->fs->umask = umask;
2161 osd_trans_exec_check(info->oti_env, th, OSD_OT_CREATE);
2167 * Helper function for osd_object_create()
2169 * \retval 0, on success
2171 static int __osd_oi_insert(const struct lu_env *env, struct osd_object *obj,
2172 const struct lu_fid *fid, struct thandle *th)
2174 struct osd_thread_info *info = osd_oti_get(env);
2175 struct osd_inode_id *id = &info->oti_id;
2176 struct osd_device *osd = osd_obj2dev(obj);
2177 struct osd_thandle *oh;
2180 LASSERT(obj->oo_inode != NULL);
2182 oh = container_of0(th, struct osd_thandle, ot_super);
2183 LASSERT(oh->ot_handle);
2184 osd_trans_exec_op(env, th, OSD_OT_INSERT);
2186 osd_id_gen(id, obj->oo_inode->i_ino, obj->oo_inode->i_generation);
2187 rc = osd_oi_insert(info, osd, fid, id, oh->ot_handle, OI_CHECK_FLD);
2188 osd_trans_exec_check(env, th, OSD_OT_INSERT);
2193 int osd_fld_lookup(const struct lu_env *env, struct osd_device *osd,
2194 u64 seq, struct lu_seq_range *range)
2196 struct seq_server_site *ss = osd_seq_site(osd);
2198 if (fid_seq_is_idif(seq)) {
2199 fld_range_set_ost(range);
2200 range->lsr_index = idif_ost_idx(seq);
2204 if (!fid_seq_in_fldb(seq)) {
2205 fld_range_set_mdt(range);
2207 /* FIXME: If ss is NULL, it suppose not get lsr_index
2209 range->lsr_index = ss->ss_node_id;
2213 LASSERT(ss != NULL);
2214 fld_range_set_any(range);
2215 /* OSD will only do local fld lookup */
2216 return fld_local_lookup(env, ss->ss_server_fld, seq, range);
2220 * Concurrency: no external locking is necessary.
2222 static int osd_declare_object_create(const struct lu_env *env,
2223 struct dt_object *dt,
2224 struct lu_attr *attr,
2225 struct dt_allocation_hint *hint,
2226 struct dt_object_format *dof,
2227 struct thandle *handle)
2229 struct osd_thandle *oh;
2233 LASSERT(handle != NULL);
2235 oh = container_of0(handle, struct osd_thandle, ot_super);
2236 LASSERT(oh->ot_handle == NULL);
2238 /* EA object consumes more credits than regular object: osd_mk_index
2239 * vs. osd_mkreg: osd_mk_index will create 2 blocks for root_node and
2240 * leaf_node, could involves the block, block bitmap, groups, GDT
2241 * change for each block, so add 4 * 2 credits in that case. */
2242 osd_trans_declare_op(env, oh, OSD_OT_CREATE,
2243 osd_dto_credits_noquota[DTO_OBJECT_CREATE] +
2244 (dof->dof_type == DFT_INDEX) ? 4 * 2 : 0);
2245 /* Reuse idle OI block may cause additional one OI block
2247 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
2248 osd_dto_credits_noquota[DTO_INDEX_INSERT] + 1);
2253 rc = osd_declare_inode_qid(env, attr->la_uid, attr->la_gid, 1, oh,
2254 osd_dt_obj(dt), false, NULL, false);
2261 static int osd_object_create(const struct lu_env *env, struct dt_object *dt,
2262 struct lu_attr *attr,
2263 struct dt_allocation_hint *hint,
2264 struct dt_object_format *dof, struct thandle *th)
2266 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
2267 struct osd_object *obj = osd_dt_obj(dt);
2268 struct osd_thread_info *info = osd_oti_get(env);
2272 if (dt_object_exists(dt))
2275 LINVRNT(osd_invariant(obj));
2276 LASSERT(!dt_object_remote(dt));
2277 LASSERT(osd_write_locked(env, obj));
2278 LASSERT(th != NULL);
2280 if (unlikely(fid_is_acct(fid)))
2281 /* Quota files can't be created from the kernel any more,
2282 * 'tune2fs -O quota' will take care of creating them */
2285 result = __osd_object_create(info, obj, attr, hint, dof, th);
2287 result = __osd_oi_insert(env, obj, fid, th);
2288 if (obj->oo_dt.do_body_ops == &osd_body_ops_new)
2289 obj->oo_dt.do_body_ops = &osd_body_ops;
2291 LASSERT(ergo(result == 0,
2292 dt_object_exists(dt) && !dt_object_remote(dt)));
2294 LASSERT(osd_invariant(obj));
2299 * Called to destroy on-disk representation of the object
2301 * Concurrency: must be locked
2303 static int osd_declare_object_destroy(const struct lu_env *env,
2304 struct dt_object *dt,
2307 struct osd_object *obj = osd_dt_obj(dt);
2308 struct inode *inode = obj->oo_inode;
2309 struct osd_thandle *oh;
2313 oh = container_of0(th, struct osd_thandle, ot_super);
2314 LASSERT(oh->ot_handle == NULL);
2317 osd_trans_declare_op(env, oh, OSD_OT_DESTROY,
2318 osd_dto_credits_noquota[DTO_OBJECT_DELETE]);
2319 /* Recycle idle OI leaf may cause additional three OI blocks
2321 osd_trans_declare_op(env, oh, OSD_OT_DELETE,
2322 osd_dto_credits_noquota[DTO_INDEX_DELETE] + 3);
2323 /* one less inode */
2324 rc = osd_declare_inode_qid(env, i_uid_read(inode), i_gid_read(inode),
2325 -1, oh, obj, false, NULL, false);
2328 /* data to be truncated */
2329 rc = osd_declare_inode_qid(env, i_uid_read(inode), i_gid_read(inode),
2330 0, oh, obj, true, NULL, false);
2334 static int osd_object_destroy(const struct lu_env *env,
2335 struct dt_object *dt,
2338 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
2339 struct osd_object *obj = osd_dt_obj(dt);
2340 struct inode *inode = obj->oo_inode;
2341 struct osd_device *osd = osd_obj2dev(obj);
2342 struct osd_thandle *oh;
2346 oh = container_of0(th, struct osd_thandle, ot_super);
2347 LASSERT(oh->ot_handle);
2349 LASSERT(!lu_object_is_dying(dt->do_lu.lo_header));
2351 if (unlikely(fid_is_acct(fid)))
2354 if (S_ISDIR(inode->i_mode)) {
2355 LASSERT(osd_inode_unlinked(inode) || inode->i_nlink == 1 ||
2356 inode->i_nlink == 2);
2357 /* it will check/delete the inode from remote parent,
2358 * how to optimize it? unlink performance impaction XXX */
2359 result = osd_delete_from_remote_parent(env, osd, obj, oh);
2360 if (result != 0 && result != -ENOENT) {
2361 CERROR("%s: delete inode "DFID": rc = %d\n",
2362 osd_name(osd), PFID(fid), result);
2364 spin_lock(&obj->oo_guard);
2366 spin_unlock(&obj->oo_guard);
2367 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2370 osd_trans_exec_op(env, th, OSD_OT_DESTROY);
2372 result = osd_oi_delete(osd_oti_get(env), osd, fid, oh->ot_handle,
2375 osd_trans_exec_check(env, th, OSD_OT_DESTROY);
2376 /* XXX: add to ext3 orphan list */
2377 /* rc = ext3_orphan_add(handle_t *handle, struct inode *inode) */
2379 /* not needed in the cache anymore */
2380 set_bit(LU_OBJECT_HEARD_BANSHEE, &dt->do_lu.lo_header->loh_flags);
2381 obj->oo_destroyed = 1;
2387 * Put the fid into lustre_mdt_attrs, and then place the structure
2388 * inode's ea. This fid should not be altered during the life time
2391 * \retval +ve, on success
2392 * \retval -ve, on error
2394 * FIXME: It is good to have/use ldiskfs_xattr_set_handle() here
2396 int osd_ea_fid_set(struct osd_thread_info *info, struct inode *inode,
2397 const struct lu_fid *fid, __u32 compat, __u32 incompat)
2399 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
2403 if (OBD_FAIL_CHECK(OBD_FAIL_FID_INLMA))
2406 if (OBD_FAIL_CHECK(OBD_FAIL_OSD_OST_EA_FID_SET))
2409 lustre_lma_init(lma, fid, compat, incompat);
2410 lustre_lma_swab(lma);
2412 rc = __osd_xattr_set(info, inode, XATTR_NAME_LMA, lma, sizeof(*lma),
2414 /* LMA may already exist, but we need to check that all the
2415 * desired compat/incompat flags have been added. */
2416 if (unlikely(rc == -EEXIST)) {
2417 if (compat == 0 && incompat == 0)
2420 rc = __osd_xattr_get(inode, &info->oti_obj_dentry,
2421 XATTR_NAME_LMA, info->oti_mdt_attrs_old,
2426 lustre_lma_swab(lma);
2427 if (!(~lma->lma_compat & compat) &&
2428 !(~lma->lma_incompat & incompat))
2431 lma->lma_compat |= compat;
2432 lma->lma_incompat |= incompat;
2433 lustre_lma_swab(lma);
2434 rc = __osd_xattr_set(info, inode, XATTR_NAME_LMA, lma,
2435 sizeof(*lma), XATTR_REPLACE);
2442 * ldiskfs supports fid in dirent, it is passed in dentry->d_fsdata.
2443 * lustre 1.8 also uses d_fsdata for passing other info to ldiskfs.
2444 * To have compatilibility with 1.8 ldiskfs driver we need to have
2445 * magic number at start of fid data.
2446 * \ldiskfs_dentry_param is used only to pass fid from osd to ldiskfs.
2449 static void osd_get_ldiskfs_dirent_param(struct ldiskfs_dentry_param *param,
2450 const struct lu_fid *fid)
2452 if (!fid_is_namespace_visible(fid) ||
2453 OBD_FAIL_CHECK(OBD_FAIL_FID_IGIF)) {
2454 param->edp_magic = 0;
2458 param->edp_magic = LDISKFS_LUFID_MAGIC;
2459 param->edp_len = sizeof(struct lu_fid) + 1;
2460 fid_cpu_to_be((struct lu_fid *)param->edp_data, (struct lu_fid *)fid);
2464 * Try to read the fid from inode ea into dt_rec.
2466 * \param fid object fid.
2468 * \retval 0 on success
2470 static int osd_ea_fid_get(const struct lu_env *env, struct osd_object *obj,
2471 __u32 ino, struct lu_fid *fid,
2472 struct osd_inode_id *id)
2474 struct osd_thread_info *info = osd_oti_get(env);
2475 struct inode *inode;
2478 osd_id_gen(id, ino, OSD_OII_NOGEN);
2479 inode = osd_iget_fid(info, osd_obj2dev(obj), id, fid);
2481 RETURN(PTR_ERR(inode));
2487 static int osd_add_dot_dotdot_internal(struct osd_thread_info *info,
2489 struct inode *parent_dir,
2490 const struct lu_fid *dot_fid,
2491 const struct lu_fid *dot_dot_fid,
2492 struct osd_thandle *oth)
2494 struct ldiskfs_dentry_param *dot_ldp;
2495 struct ldiskfs_dentry_param *dot_dot_ldp;
2497 dot_dot_ldp = (struct ldiskfs_dentry_param *)info->oti_ldp2;
2498 osd_get_ldiskfs_dirent_param(dot_dot_ldp, dot_dot_fid);
2500 dot_ldp = (struct ldiskfs_dentry_param *)info->oti_ldp;
2501 dot_ldp->edp_magic = 0;
2503 return ldiskfs_add_dot_dotdot(oth->ot_handle, parent_dir,
2504 dir, dot_ldp, dot_dot_ldp);
2508 * Create an local agent inode for remote entry
2510 static struct inode *osd_create_local_agent_inode(const struct lu_env *env,
2511 struct osd_device *osd,
2512 struct osd_object *pobj,
2513 const struct lu_fid *fid,
2517 struct osd_thread_info *info = osd_oti_get(env);
2518 struct inode *local;
2519 struct osd_thandle *oh;
2524 oh = container_of(th, struct osd_thandle, ot_super);
2525 LASSERT(oh->ot_handle->h_transaction != NULL);
2527 local = ldiskfs_create_inode(oh->ot_handle, pobj->oo_inode, type);
2528 if (IS_ERR(local)) {
2529 CERROR("%s: create local error %d\n", osd_name(osd),
2530 (int)PTR_ERR(local));
2534 ldiskfs_set_inode_state(local, LDISKFS_STATE_LUSTRE_NOSCRUB);
2535 unlock_new_inode(local);
2537 /* Set special LMA flag for local agent inode */
2538 rc = osd_ea_fid_set(info, local, fid, 0, LMAI_AGENT);
2540 CERROR("%s: set LMA for "DFID" remote inode failed: rc = %d\n",
2541 osd_name(osd), PFID(fid), rc);
2542 RETURN(ERR_PTR(rc));
2548 rc = osd_add_dot_dotdot_internal(info, local, pobj->oo_inode,
2549 lu_object_fid(&pobj->oo_dt.do_lu),
2552 CERROR("%s: "DFID" add dot dotdot error: rc = %d\n",
2553 osd_name(osd), PFID(fid), rc);
2554 RETURN(ERR_PTR(rc));
2561 * Delete local agent inode for remote entry
2563 static int osd_delete_local_agent_inode(const struct lu_env *env,
2564 struct osd_device *osd,
2565 const struct lu_fid *fid,
2566 __u32 ino, struct osd_thandle *oh)
2568 struct osd_thread_info *oti = osd_oti_get(env);
2569 struct osd_inode_id *id = &oti->oti_id;
2570 struct inode *inode;
2573 id->oii_ino = le32_to_cpu(ino);
2574 id->oii_gen = OSD_OII_NOGEN;
2575 inode = osd_iget(oti, osd, id);
2576 if (IS_ERR(inode)) {
2577 CERROR("%s: iget error "DFID" id %u:%u\n", osd_name(osd),
2578 PFID(fid), id->oii_ino, id->oii_gen);
2579 RETURN(PTR_ERR(inode));
2583 mark_inode_dirty(inode);
2584 CDEBUG(D_INODE, "%s: delete remote inode "DFID" %lu\n",
2585 osd_name(osd), PFID(fid), inode->i_ino);
2591 * OSD layer object create function for interoperability mode (b11826).
2592 * This is mostly similar to osd_object_create(). Only difference being, fid is
2593 * inserted into inode ea here.
2595 * \retval 0, on success
2596 * \retval -ve, on error
2598 static int osd_object_ea_create(const struct lu_env *env, struct dt_object *dt,
2599 struct lu_attr *attr,
2600 struct dt_allocation_hint *hint,
2601 struct dt_object_format *dof,
2604 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
2605 struct osd_object *obj = osd_dt_obj(dt);
2606 struct osd_thread_info *info = osd_oti_get(env);
2611 if (dt_object_exists(dt))
2614 LASSERT(osd_invariant(obj));
2615 LASSERT(!dt_object_remote(dt));
2616 LASSERT(osd_write_locked(env, obj));
2617 LASSERT(th != NULL);
2619 if (unlikely(fid_is_acct(fid)))
2620 /* Quota files can't be created from the kernel any more,
2621 * 'tune2fs -O quota' will take care of creating them */
2624 result = __osd_object_create(info, obj, attr, hint, dof, th);
2626 if (fid_is_idif(fid) &&
2627 !osd_dev(dt->do_lu.lo_dev)->od_index_in_idif) {
2628 struct lu_fid *tfid = &info->oti_fid;
2629 struct ost_id *oi = &info->oti_ostid;
2631 fid_to_ostid(fid, oi);
2632 ostid_to_fid(tfid, oi, 0);
2633 result = osd_ea_fid_set(info, obj->oo_inode, tfid,
2634 LMAC_FID_ON_OST, 0);
2636 result = osd_ea_fid_set(info, obj->oo_inode, fid,
2637 fid_is_on_ost(info, osd_obj2dev(obj),
2638 fid, OI_CHECK_FLD) ?
2639 LMAC_FID_ON_OST : 0, 0);
2641 if (obj->oo_dt.do_body_ops == &osd_body_ops_new)
2642 obj->oo_dt.do_body_ops = &osd_body_ops;
2646 result = __osd_oi_insert(env, obj, fid, th);
2648 LASSERT(ergo(result == 0,
2649 dt_object_exists(dt) && !dt_object_remote(dt)));
2650 LINVRNT(osd_invariant(obj));
2654 static int osd_declare_object_ref_add(const struct lu_env *env,
2655 struct dt_object *dt,
2656 struct thandle *handle)
2658 struct osd_thandle *oh;
2660 /* it's possible that object doesn't exist yet */
2661 LASSERT(handle != NULL);
2663 oh = container_of0(handle, struct osd_thandle, ot_super);
2664 LASSERT(oh->ot_handle == NULL);
2666 osd_trans_declare_op(env, oh, OSD_OT_REF_ADD,
2667 osd_dto_credits_noquota[DTO_ATTR_SET_BASE]);
2673 * Concurrency: @dt is write locked.
2675 static int osd_object_ref_add(const struct lu_env *env,
2676 struct dt_object *dt, struct thandle *th)
2678 struct osd_object *obj = osd_dt_obj(dt);
2679 struct inode *inode = obj->oo_inode;
2680 struct osd_thandle *oh;
2683 if (!dt_object_exists(dt))
2686 LINVRNT(osd_invariant(obj));
2687 LASSERT(!dt_object_remote(dt));
2688 LASSERT(osd_write_locked(env, obj));
2689 LASSERT(th != NULL);
2691 oh = container_of0(th, struct osd_thandle, ot_super);
2692 LASSERT(oh->ot_handle != NULL);
2694 osd_trans_exec_op(env, th, OSD_OT_REF_ADD);
2696 CDEBUG(D_INODE, DFID" increase nlink %d\n",
2697 PFID(lu_object_fid(&dt->do_lu)), inode->i_nlink);
2699 * The DIR_NLINK feature allows directories to exceed LDISKFS_LINK_MAX
2700 * (65000) subdirectories by storing "1" in i_nlink if the link count
2701 * would otherwise overflow. Directory tranversal tools understand
2702 * that (st_nlink == 1) indicates that the filesystem dose not track
2703 * hard links count on the directory, and will not abort subdirectory
2704 * scanning early once (st_nlink - 2) subdirs have been found.
2706 * This also has to properly handle the case of inodes with nlink == 0
2707 * in case they are being linked into the PENDING directory
2709 spin_lock(&obj->oo_guard);
2710 if (unlikely(inode->i_nlink == 0))
2711 /* inc_nlink from 0 may cause WARN_ON */
2712 set_nlink(inode, 1);
2714 ldiskfs_inc_count(oh->ot_handle, inode);
2715 if (!S_ISDIR(inode->i_mode))
2716 LASSERT(inode->i_nlink <= LDISKFS_LINK_MAX);
2718 spin_unlock(&obj->oo_guard);
2720 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2721 LINVRNT(osd_invariant(obj));
2723 osd_trans_exec_check(env, th, OSD_OT_REF_ADD);
2728 static int osd_declare_object_ref_del(const struct lu_env *env,
2729 struct dt_object *dt,
2730 struct thandle *handle)
2732 struct osd_thandle *oh;
2734 LASSERT(!dt_object_remote(dt));
2735 LASSERT(handle != NULL);
2737 oh = container_of0(handle, struct osd_thandle, ot_super);
2738 LASSERT(oh->ot_handle == NULL);
2740 osd_trans_declare_op(env, oh, OSD_OT_REF_DEL,
2741 osd_dto_credits_noquota[DTO_ATTR_SET_BASE]);
2747 * Concurrency: @dt is write locked.
2749 static int osd_object_ref_del(const struct lu_env *env, struct dt_object *dt,
2752 struct osd_object *obj = osd_dt_obj(dt);
2753 struct inode *inode = obj->oo_inode;
2754 struct osd_device *osd = osd_dev(dt->do_lu.lo_dev);
2755 struct osd_thandle *oh;
2757 if (!dt_object_exists(dt))
2760 LINVRNT(osd_invariant(obj));
2761 LASSERT(!dt_object_remote(dt));
2762 LASSERT(osd_write_locked(env, obj));
2763 LASSERT(th != NULL);
2765 oh = container_of0(th, struct osd_thandle, ot_super);
2766 LASSERT(oh->ot_handle != NULL);
2768 osd_trans_exec_op(env, th, OSD_OT_REF_DEL);
2770 spin_lock(&obj->oo_guard);
2771 /* That can be result of upgrade from old Lustre version and
2772 * applied only to local files. Just skip this ref_del call.
2773 * ext4_unlink() only treats this as a warning, don't LASSERT here.*/
2774 if (inode->i_nlink == 0) {
2775 CDEBUG_LIMIT(fid_is_norm(lu_object_fid(&dt->do_lu)) ?
2776 D_ERROR : D_INODE, "%s: nlink == 0 on "DFID
2777 ", maybe an upgraded file? (LU-3915)\n",
2778 osd_name(osd), PFID(lu_object_fid(&dt->do_lu)));
2779 spin_unlock(&obj->oo_guard);
2783 CDEBUG(D_INODE, DFID" decrease nlink %d\n",
2784 PFID(lu_object_fid(&dt->do_lu)), inode->i_nlink);
2786 ldiskfs_dec_count(oh->ot_handle, inode);
2787 spin_unlock(&obj->oo_guard);
2789 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2790 LINVRNT(osd_invariant(obj));
2792 osd_trans_exec_check(env, th, OSD_OT_REF_DEL);
2798 * Get the 64-bit version for an inode.
2800 static int osd_object_version_get(const struct lu_env *env,
2801 struct dt_object *dt, dt_obj_version_t *ver)
2803 struct inode *inode = osd_dt_obj(dt)->oo_inode;
2805 CDEBUG(D_INODE, "Get version "LPX64" for inode %lu\n",
2806 LDISKFS_I(inode)->i_fs_version, inode->i_ino);
2807 *ver = LDISKFS_I(inode)->i_fs_version;
2812 * Concurrency: @dt is read locked.
2814 static int osd_xattr_get(const struct lu_env *env, struct dt_object *dt,
2815 struct lu_buf *buf, const char *name)
2817 struct osd_object *obj = osd_dt_obj(dt);
2818 struct inode *inode = obj->oo_inode;
2819 struct osd_thread_info *info = osd_oti_get(env);
2820 struct dentry *dentry = &info->oti_obj_dentry;
2822 /* version get is not real XATTR but uses xattr API */
2823 if (strcmp(name, XATTR_NAME_VERSION) == 0) {
2824 /* for version we are just using xattr API but change inode
2826 if (buf->lb_len == 0)
2827 return sizeof(dt_obj_version_t);
2829 if (buf->lb_len < sizeof(dt_obj_version_t))
2832 osd_object_version_get(env, dt, buf->lb_buf);
2834 return sizeof(dt_obj_version_t);
2837 if (!dt_object_exists(dt))
2840 LASSERT(!dt_object_remote(dt));
2841 LASSERT(inode->i_op != NULL);
2842 LASSERT(inode->i_op->getxattr != NULL);
2844 return __osd_xattr_get(inode, dentry, name, buf->lb_buf, buf->lb_len);
2848 static int osd_declare_xattr_set(const struct lu_env *env,
2849 struct dt_object *dt,
2850 const struct lu_buf *buf, const char *name,
2851 int fl, struct thandle *handle)
2853 struct osd_thandle *oh;
2855 struct super_block *sb = osd_sb(osd_dev(dt->do_lu.lo_dev));
2857 LASSERT(handle != NULL);
2859 oh = container_of0(handle, struct osd_thandle, ot_super);
2860 LASSERT(oh->ot_handle == NULL);
2862 if (strcmp(name, XATTR_NAME_LMA) == 0) {
2863 /* For non-upgrading case, the LMA is set first and
2864 * usually fit inode. But for upgrade case, the LMA
2865 * may be in another separated EA block. */
2866 if (!dt_object_exists(dt))
2868 else if (fl == LU_XATTR_REPLACE)
2872 } else if (strcmp(name, XATTR_NAME_VERSION) == 0) {
2876 credits = osd_dto_credits_noquota[DTO_XATTR_SET];
2877 if (buf && buf->lb_len > sb->s_blocksize) {
2878 credits *= (buf->lb_len + sb->s_blocksize - 1) >>
2879 sb->s_blocksize_bits;
2882 * xattr set may involve inode quota change, reserve credits for
2883 * dquot_initialize()
2885 credits += LDISKFS_MAXQUOTAS_INIT_BLOCKS(sb);
2888 osd_trans_declare_op(env, oh, OSD_OT_XATTR_SET, credits);
2894 * Set the 64-bit version for object
2896 static void osd_object_version_set(const struct lu_env *env,
2897 struct dt_object *dt,
2898 dt_obj_version_t *new_version)
2900 struct inode *inode = osd_dt_obj(dt)->oo_inode;
2902 CDEBUG(D_INODE, "Set version "LPX64" (old "LPX64") for inode %lu\n",
2903 *new_version, LDISKFS_I(inode)->i_fs_version, inode->i_ino);
2905 LDISKFS_I(inode)->i_fs_version = *new_version;
2906 /** Version is set after all inode operations are finished,
2907 * so we should mark it dirty here */
2908 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2912 * Concurrency: @dt is write locked.
2914 static int osd_xattr_set(const struct lu_env *env, struct dt_object *dt,
2915 const struct lu_buf *buf, const char *name, int fl,
2916 struct thandle *handle)
2918 struct osd_object *obj = osd_dt_obj(dt);
2919 struct inode *inode = obj->oo_inode;
2920 struct osd_thread_info *info = osd_oti_get(env);
2925 LASSERT(handle != NULL);
2927 /* version set is not real XATTR */
2928 if (strcmp(name, XATTR_NAME_VERSION) == 0) {
2929 /* for version we are just using xattr API but change inode
2931 LASSERT(buf->lb_len == sizeof(dt_obj_version_t));
2932 osd_object_version_set(env, dt, buf->lb_buf);
2933 return sizeof(dt_obj_version_t);
2936 CDEBUG(D_INODE, DFID" set xattr '%s' with size %zu\n",
2937 PFID(lu_object_fid(&dt->do_lu)), name, buf->lb_len);
2939 osd_trans_exec_op(env, handle, OSD_OT_XATTR_SET);
2940 if (fl & LU_XATTR_REPLACE)
2941 fs_flags |= XATTR_REPLACE;
2943 if (fl & LU_XATTR_CREATE)
2944 fs_flags |= XATTR_CREATE;
2946 if (strcmp(name, XATTR_NAME_LMV) == 0) {
2947 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
2950 rc = osd_get_lma(info, inode, &info->oti_obj_dentry, lma);
2954 lma->lma_incompat |= LMAI_STRIPED;
2955 lustre_lma_swab(lma);
2956 rc = __osd_xattr_set(info, inode, XATTR_NAME_LMA, lma,
2957 sizeof(*lma), XATTR_REPLACE);
2962 if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_LINKEA_OVERFLOW) &&
2963 strcmp(name, XATTR_NAME_LINK) == 0)
2966 rc = __osd_xattr_set(info, inode, name, buf->lb_buf, buf->lb_len,
2968 osd_trans_exec_check(env, handle, OSD_OT_XATTR_SET);
2974 * Concurrency: @dt is read locked.
2976 static int osd_xattr_list(const struct lu_env *env, struct dt_object *dt,
2977 const struct lu_buf *buf)
2979 struct osd_object *obj = osd_dt_obj(dt);
2980 struct inode *inode = obj->oo_inode;
2981 struct osd_thread_info *info = osd_oti_get(env);
2982 struct dentry *dentry = &info->oti_obj_dentry;
2984 if (!dt_object_exists(dt))
2987 LASSERT(!dt_object_remote(dt));
2988 LASSERT(inode->i_op != NULL);
2989 LASSERT(inode->i_op->listxattr != NULL);
2991 dentry->d_inode = inode;
2992 dentry->d_sb = inode->i_sb;
2993 return inode->i_op->listxattr(dentry, buf->lb_buf, buf->lb_len);
2996 static int osd_declare_xattr_del(const struct lu_env *env,
2997 struct dt_object *dt, const char *name,
2998 struct thandle *handle)
3000 struct osd_thandle *oh;
3001 struct super_block *sb = osd_sb(osd_dev(dt->do_lu.lo_dev));
3003 LASSERT(!dt_object_remote(dt));
3004 LASSERT(handle != NULL);
3006 oh = container_of0(handle, struct osd_thandle, ot_super);
3007 LASSERT(oh->ot_handle == NULL);
3009 osd_trans_declare_op(env, oh, OSD_OT_XATTR_SET,
3010 osd_dto_credits_noquota[DTO_XATTR_SET]);
3012 * xattr del may involve inode quota change, reserve credits for
3013 * dquot_initialize()
3015 oh->ot_credits += LDISKFS_MAXQUOTAS_INIT_BLOCKS(sb);
3021 * Concurrency: @dt is write locked.
3023 static int osd_xattr_del(const struct lu_env *env, struct dt_object *dt,
3024 const char *name, struct thandle *handle)
3026 struct osd_object *obj = osd_dt_obj(dt);
3027 struct inode *inode = obj->oo_inode;
3028 struct osd_thread_info *info = osd_oti_get(env);
3029 struct dentry *dentry = &info->oti_obj_dentry;
3032 if (!dt_object_exists(dt))
3035 LASSERT(!dt_object_remote(dt));
3036 LASSERT(inode->i_op != NULL);
3037 LASSERT(inode->i_op->removexattr != NULL);
3038 LASSERT(handle != NULL);
3040 osd_trans_exec_op(env, handle, OSD_OT_XATTR_SET);
3042 ll_vfs_dq_init(inode);
3043 dentry->d_inode = inode;
3044 dentry->d_sb = inode->i_sb;
3045 rc = inode->i_op->removexattr(dentry, name);
3046 osd_trans_exec_check(env, handle, OSD_OT_XATTR_SET);
3050 static int osd_object_sync(const struct lu_env *env, struct dt_object *dt,
3051 __u64 start, __u64 end)
3053 struct osd_object *obj = osd_dt_obj(dt);
3054 struct inode *inode = obj->oo_inode;
3055 struct osd_thread_info *info = osd_oti_get(env);
3056 struct dentry *dentry = &info->oti_obj_dentry;
3057 struct file *file = &info->oti_file;
3062 dentry->d_inode = inode;
3063 dentry->d_sb = inode->i_sb;
3064 file->f_path.dentry = dentry;
3065 file->f_mapping = inode->i_mapping;
3066 file->f_op = inode->i_fop;
3067 set_file_inode(file, inode);
3069 rc = ll_vfs_fsync_range(file, start, end, 0);
3078 static int osd_iam_index_probe(const struct lu_env *env, struct osd_object *o,
3079 const struct dt_index_features *feat)
3081 struct iam_descr *descr;
3083 if (osd_object_is_root(o))
3084 return feat == &dt_directory_features;
3086 LASSERT(o->oo_dir != NULL);
3088 descr = o->oo_dir->od_container.ic_descr;
3089 if (feat == &dt_directory_features) {
3090 if (descr->id_rec_size == sizeof(struct osd_fid_pack))
3096 feat->dif_keysize_min <= descr->id_key_size &&
3097 descr->id_key_size <= feat->dif_keysize_max &&
3098 feat->dif_recsize_min <= descr->id_rec_size &&
3099 descr->id_rec_size <= feat->dif_recsize_max &&
3100 !(feat->dif_flags & (DT_IND_VARKEY |
3101 DT_IND_VARREC | DT_IND_NONUNQ)) &&
3102 ergo(feat->dif_flags & DT_IND_UPDATE,
3103 1 /* XXX check that object (and file system) is
3108 static int osd_iam_container_init(const struct lu_env *env,
3109 struct osd_object *obj,
3110 struct osd_directory *dir)
3112 struct iam_container *bag = &dir->od_container;
3115 result = iam_container_init(bag, &dir->od_descr, obj->oo_inode);
3119 result = iam_container_setup(bag);
3121 obj->oo_dt.do_index_ops = &osd_index_iam_ops;
3123 iam_container_fini(bag);
3130 * Concurrency: no external locking is necessary.
3132 static int osd_index_try(const struct lu_env *env, struct dt_object *dt,
3133 const struct dt_index_features *feat)
3137 struct osd_object *obj = osd_dt_obj(dt);
3139 LINVRNT(osd_invariant(obj));
3141 if (osd_object_is_root(obj)) {
3142 dt->do_index_ops = &osd_index_ea_ops;
3144 } else if (feat == &dt_directory_features) {
3145 dt->do_index_ops = &osd_index_ea_ops;
3146 if (obj->oo_inode != NULL && S_ISDIR(obj->oo_inode->i_mode))
3151 } else if (unlikely(feat == &dt_otable_features)) {
3152 dt->do_index_ops = &osd_otable_ops;
3154 } else if (unlikely(feat == &dt_acct_features)) {
3155 dt->do_index_ops = &osd_acct_index_ops;
3158 } else if (!osd_has_index(obj)) {
3159 struct osd_directory *dir;
3164 spin_lock(&obj->oo_guard);
3165 if (obj->oo_dir == NULL)
3169 * Concurrent thread allocated container data.
3172 spin_unlock(&obj->oo_guard);
3174 * Now, that we have container data, serialize its
3177 down_write(&obj->oo_ext_idx_sem);
3179 * recheck under lock.
3181 if (!osd_has_index(obj))
3182 result = osd_iam_container_init(env, obj,
3186 up_write(&obj->oo_ext_idx_sem);
3194 if (result == 0 && skip_iam == 0) {
3195 if (!osd_iam_index_probe(env, obj, feat))
3198 LINVRNT(osd_invariant(obj));
3200 if (result == 0 && feat == &dt_quota_glb_features &&
3201 fid_seq(lu_object_fid(&dt->do_lu)) == FID_SEQ_QUOTA_GLB)
3202 result = osd_quota_migration(env, dt);
3207 static int osd_otable_it_attr_get(const struct lu_env *env,
3208 struct dt_object *dt,
3209 struct lu_attr *attr)
3215 static const struct dt_object_operations osd_obj_ops = {
3216 .do_read_lock = osd_object_read_lock,
3217 .do_write_lock = osd_object_write_lock,
3218 .do_read_unlock = osd_object_read_unlock,
3219 .do_write_unlock = osd_object_write_unlock,
3220 .do_write_locked = osd_object_write_locked,
3221 .do_attr_get = osd_attr_get,
3222 .do_declare_attr_set = osd_declare_attr_set,
3223 .do_attr_set = osd_attr_set,
3224 .do_ah_init = osd_ah_init,
3225 .do_declare_create = osd_declare_object_create,
3226 .do_create = osd_object_create,
3227 .do_declare_destroy = osd_declare_object_destroy,
3228 .do_destroy = osd_object_destroy,
3229 .do_index_try = osd_index_try,
3230 .do_declare_ref_add = osd_declare_object_ref_add,
3231 .do_ref_add = osd_object_ref_add,
3232 .do_declare_ref_del = osd_declare_object_ref_del,
3233 .do_ref_del = osd_object_ref_del,
3234 .do_xattr_get = osd_xattr_get,
3235 .do_declare_xattr_set = osd_declare_xattr_set,
3236 .do_xattr_set = osd_xattr_set,
3237 .do_declare_xattr_del = osd_declare_xattr_del,
3238 .do_xattr_del = osd_xattr_del,
3239 .do_xattr_list = osd_xattr_list,
3240 .do_object_sync = osd_object_sync,
3244 * dt_object_operations for interoperability mode
3245 * (i.e. to run 2.0 mds on 1.8 disk) (b11826)
3247 static const struct dt_object_operations osd_obj_ea_ops = {
3248 .do_read_lock = osd_object_read_lock,
3249 .do_write_lock = osd_object_write_lock,
3250 .do_read_unlock = osd_object_read_unlock,
3251 .do_write_unlock = osd_object_write_unlock,
3252 .do_write_locked = osd_object_write_locked,
3253 .do_attr_get = osd_attr_get,
3254 .do_declare_attr_set = osd_declare_attr_set,
3255 .do_attr_set = osd_attr_set,
3256 .do_ah_init = osd_ah_init,
3257 .do_declare_create = osd_declare_object_create,
3258 .do_create = osd_object_ea_create,
3259 .do_declare_destroy = osd_declare_object_destroy,
3260 .do_destroy = osd_object_destroy,
3261 .do_index_try = osd_index_try,
3262 .do_declare_ref_add = osd_declare_object_ref_add,
3263 .do_ref_add = osd_object_ref_add,
3264 .do_declare_ref_del = osd_declare_object_ref_del,
3265 .do_ref_del = osd_object_ref_del,
3266 .do_xattr_get = osd_xattr_get,
3267 .do_declare_xattr_set = osd_declare_xattr_set,
3268 .do_xattr_set = osd_xattr_set,
3269 .do_declare_xattr_del = osd_declare_xattr_del,
3270 .do_xattr_del = osd_xattr_del,
3271 .do_xattr_list = osd_xattr_list,
3272 .do_object_sync = osd_object_sync,
3275 static const struct dt_object_operations osd_obj_otable_it_ops = {
3276 .do_attr_get = osd_otable_it_attr_get,
3277 .do_index_try = osd_index_try,
3280 static int osd_index_declare_iam_delete(const struct lu_env *env,
3281 struct dt_object *dt,
3282 const struct dt_key *key,
3283 struct thandle *handle)
3285 struct osd_thandle *oh;
3287 oh = container_of0(handle, struct osd_thandle, ot_super);
3288 LASSERT(oh->ot_handle == NULL);
3290 osd_trans_declare_op(env, oh, OSD_OT_DELETE,
3291 osd_dto_credits_noquota[DTO_INDEX_DELETE]);
3297 * delete a (key, value) pair from index \a dt specified by \a key
3299 * \param dt osd index object
3300 * \param key key for index
3301 * \param rec record reference
3302 * \param handle transaction handler
3305 * \retval -ve failure
3307 static int osd_index_iam_delete(const struct lu_env *env, struct dt_object *dt,
3308 const struct dt_key *key,
3309 struct thandle *handle)
3311 struct osd_thread_info *oti = osd_oti_get(env);
3312 struct osd_object *obj = osd_dt_obj(dt);
3313 struct osd_thandle *oh;
3314 struct iam_path_descr *ipd;
3315 struct iam_container *bag = &obj->oo_dir->od_container;
3319 if (!dt_object_exists(dt))
3322 LINVRNT(osd_invariant(obj));
3323 LASSERT(!dt_object_remote(dt));
3324 LASSERT(bag->ic_object == obj->oo_inode);
3325 LASSERT(handle != NULL);
3327 osd_trans_exec_op(env, handle, OSD_OT_DELETE);
3329 ipd = osd_idx_ipd_get(env, bag);
3330 if (unlikely(ipd == NULL))
3333 oh = container_of0(handle, struct osd_thandle, ot_super);
3334 LASSERT(oh->ot_handle != NULL);
3335 LASSERT(oh->ot_handle->h_transaction != NULL);
3337 if (fid_is_quota(lu_object_fid(&dt->do_lu))) {
3338 /* swab quota uid/gid provided by caller */
3339 oti->oti_quota_id = cpu_to_le64(*((__u64 *)key));
3340 key = (const struct dt_key *)&oti->oti_quota_id;
3343 rc = iam_delete(oh->ot_handle, bag, (const struct iam_key *)key, ipd);
3344 osd_ipd_put(env, bag, ipd);
3345 LINVRNT(osd_invariant(obj));
3346 osd_trans_exec_check(env, handle, OSD_OT_DELETE);
3350 static int osd_index_declare_ea_delete(const struct lu_env *env,
3351 struct dt_object *dt,
3352 const struct dt_key *key,
3353 struct thandle *handle)
3355 struct osd_thandle *oh;
3356 struct inode *inode;
3360 LASSERT(!dt_object_remote(dt));
3361 LASSERT(handle != NULL);
3363 oh = container_of0(handle, struct osd_thandle, ot_super);
3364 LASSERT(oh->ot_handle == NULL);
3366 /* due to DNE we may need to remove an agent inode */
3367 osd_trans_declare_op(env, oh, OSD_OT_DELETE,
3368 osd_dto_credits_noquota[DTO_INDEX_DELETE] +
3369 osd_dto_credits_noquota[DTO_OBJECT_DELETE]);
3371 inode = osd_dt_obj(dt)->oo_inode;
3374 rc = osd_declare_inode_qid(env, i_uid_read(inode), i_gid_read(inode),
3375 0, oh, osd_dt_obj(dt), true, NULL, false);
3379 static inline int osd_get_fid_from_dentry(struct ldiskfs_dir_entry_2 *de,
3382 struct osd_fid_pack *rec;
3385 if (de->file_type & LDISKFS_DIRENT_LUFID) {
3386 rec = (struct osd_fid_pack *) (de->name + de->name_len + 1);
3387 rc = osd_fid_unpack((struct lu_fid *)fid, rec);
3388 if (rc == 0 && unlikely(!fid_is_sane((struct lu_fid *)fid)))
3394 static int osd_remote_fid(const struct lu_env *env, struct osd_device *osd,
3395 const struct lu_fid *fid)
3397 struct seq_server_site *ss = osd_seq_site(osd);
3400 /* FID seqs not in FLDB, must be local seq */
3401 if (unlikely(!fid_seq_in_fldb(fid_seq(fid))))
3404 /* If FLD is not being initialized yet, it only happens during the
3405 * initialization, likely during mgs initialization, and we assume
3406 * this is local FID. */
3407 if (ss == NULL || ss->ss_server_fld == NULL)
3410 /* Only check the local FLDB here */
3411 if (osd_seq_exists(env, osd, fid_seq(fid)))
3418 * Index delete function for interoperability mode (b11826).
3419 * It will remove the directory entry added by osd_index_ea_insert().
3420 * This entry is needed to maintain name->fid mapping.
3422 * \param key, key i.e. file entry to be deleted
3424 * \retval 0, on success
3425 * \retval -ve, on error
3427 static int osd_index_ea_delete(const struct lu_env *env, struct dt_object *dt,
3428 const struct dt_key *key, struct thandle *handle)
3430 struct osd_object *obj = osd_dt_obj(dt);
3431 struct inode *dir = obj->oo_inode;
3432 struct dentry *dentry;
3433 struct osd_thandle *oh;
3434 struct ldiskfs_dir_entry_2 *de = NULL;
3435 struct buffer_head *bh;
3436 struct htree_lock *hlock = NULL;
3437 struct lu_fid *fid = &osd_oti_get(env)->oti_fid;
3438 struct osd_device *osd = osd_dev(dt->do_lu.lo_dev);
3442 if (!dt_object_exists(dt))
3445 LINVRNT(osd_invariant(obj));
3446 LASSERT(!dt_object_remote(dt));
3447 LASSERT(handle != NULL);
3449 osd_trans_exec_op(env, handle, OSD_OT_DELETE);
3451 oh = container_of(handle, struct osd_thandle, ot_super);
3452 LASSERT(oh->ot_handle != NULL);
3453 LASSERT(oh->ot_handle->h_transaction != NULL);
3455 ll_vfs_dq_init(dir);
3456 dentry = osd_child_dentry_get(env, obj,
3457 (char *)key, strlen((char *)key));
3459 if (obj->oo_hl_head != NULL) {
3460 hlock = osd_oti_get(env)->oti_hlock;
3461 ldiskfs_htree_lock(hlock, obj->oo_hl_head,
3462 dir, LDISKFS_HLOCK_DEL);
3464 down_write(&obj->oo_ext_idx_sem);
3467 bh = osd_ldiskfs_find_entry(dir, &dentry->d_name, &de, NULL, hlock);
3471 /* If this is not the ".." entry, it might be a remote DNE
3472 * entry and we need to check if the FID is for a remote
3473 * MDT. If the FID is not in the directory entry (e.g.
3474 * upgraded 1.8 filesystem without dirdata enabled) then
3475 * we need to get the FID from the LMA. For a remote directory
3476 * there HAS to be an LMA, it cannot be an IGIF inode in this
3479 * Delete the entry before the agent inode in order to
3480 * simplify error handling. At worst an error after deleting
3481 * the entry first might leak the agent inode afterward. The
3482 * reverse would need filesystem abort in case of error deleting
3483 * the entry after the agent had been removed, or leave a
3484 * dangling entry pointing at a random inode. */
3485 if (strcmp((char *)key, dotdot) != 0) {
3486 LASSERT(de != NULL);
3487 rc = osd_get_fid_from_dentry(de, (struct dt_rec *)fid);
3488 /* If Fid is not in dentry, try to get it from LMA */
3489 if (rc == -ENODATA) {
3490 struct osd_inode_id *id;
3491 struct inode *inode;
3493 /* Before trying to get fid from the inode,
3494 * check whether the inode is valid.
3496 * If the inode has been deleted, do not go
3497 * ahead to do osd_ea_fid_get, which will set
3498 * the inode to bad inode, which might cause
3499 * the inode to be deleted uncorrectly */
3500 inode = ldiskfs_iget(osd_sb(osd),
3501 le32_to_cpu(de->inode));
3502 if (IS_ERR(inode)) {
3503 CDEBUG(D_INODE, "%s: "DFID"get inode"
3504 "error.\n", osd_name(osd),
3506 rc = PTR_ERR(inode);
3508 if (likely(inode->i_nlink != 0)) {
3509 id = &osd_oti_get(env)->oti_id;
3510 rc = osd_ea_fid_get(env, obj,
3511 le32_to_cpu(de->inode),
3514 CDEBUG(D_INFO, "%s: %u "DFID
3517 le32_to_cpu(de->inode),
3525 unlikely(osd_remote_fid(env, osd, fid)))
3526 /* Need to delete agent inode */
3527 ino = le32_to_cpu(de->inode);
3529 rc = ldiskfs_delete_entry(oh->ot_handle, dir, de, bh);
3531 if (rc == 0 && unlikely(ino != 0)) {
3532 rc = osd_delete_local_agent_inode(env, osd, fid, ino,
3535 CERROR("%s: del local inode "DFID": rc = %d\n",
3536 osd_name(osd), PFID(fid), rc);
3542 ldiskfs_htree_unlock(hlock);
3544 up_write(&obj->oo_ext_idx_sem);
3549 /* For inode on the remote MDT, .. will point to
3550 * /Agent directory, Check whether it needs to delete
3551 * from agent directory */
3552 if (unlikely(strcmp((char *)key, dotdot) == 0)) {
3553 rc = osd_delete_from_remote_parent(env, osd_obj2dev(obj), obj,
3555 if (rc != 0 && rc != -ENOENT) {
3556 CERROR("%s: delete agent inode "DFID": rc = %d\n",
3557 osd_name(osd), PFID(fid), rc);
3567 LASSERT(osd_invariant(obj));
3568 osd_trans_exec_check(env, handle, OSD_OT_DELETE);
3573 * Lookup index for \a key and copy record to \a rec.
3575 * \param dt osd index object
3576 * \param key key for index
3577 * \param rec record reference
3579 * \retval +ve success : exact mach
3580 * \retval 0 return record with key not greater than \a key
3581 * \retval -ve failure
3583 static int osd_index_iam_lookup(const struct lu_env *env, struct dt_object *dt,
3584 struct dt_rec *rec, const struct dt_key *key)
3586 struct osd_object *obj = osd_dt_obj(dt);
3587 struct iam_path_descr *ipd;
3588 struct iam_container *bag = &obj->oo_dir->od_container;
3589 struct osd_thread_info *oti = osd_oti_get(env);
3590 struct iam_iterator *it = &oti->oti_idx_it;
3591 struct iam_rec *iam_rec;
3595 if (!dt_object_exists(dt))
3598 LASSERT(osd_invariant(obj));
3599 LASSERT(!dt_object_remote(dt));
3600 LASSERT(bag->ic_object == obj->oo_inode);
3602 ipd = osd_idx_ipd_get(env, bag);
3606 /* got ipd now we can start iterator. */
3607 iam_it_init(it, bag, 0, ipd);
3609 if (fid_is_quota(lu_object_fid(&dt->do_lu))) {
3610 /* swab quota uid/gid provided by caller */
3611 oti->oti_quota_id = cpu_to_le64(*((__u64 *)key));
3612 key = (const struct dt_key *)&oti->oti_quota_id;
3615 rc = iam_it_get(it, (struct iam_key *)key);
3617 if (S_ISDIR(obj->oo_inode->i_mode))
3618 iam_rec = (struct iam_rec *)oti->oti_ldp;
3620 iam_rec = (struct iam_rec *) rec;
3622 iam_reccpy(&it->ii_path.ip_leaf, (struct iam_rec *)iam_rec);
3624 if (S_ISDIR(obj->oo_inode->i_mode))
3625 osd_fid_unpack((struct lu_fid *) rec,
3626 (struct osd_fid_pack *)iam_rec);
3627 else if (fid_is_quota(lu_object_fid(&dt->do_lu)))
3628 osd_quota_unpack(obj, rec);
3633 osd_ipd_put(env, bag, ipd);
3635 LINVRNT(osd_invariant(obj));
3640 static int osd_index_declare_iam_insert(const struct lu_env *env,
3641 struct dt_object *dt,
3642 const struct dt_rec *rec,
3643 const struct dt_key *key,
3644 struct thandle *handle)
3646 struct osd_thandle *oh;
3648 LASSERT(handle != NULL);
3650 oh = container_of0(handle, struct osd_thandle, ot_super);
3651 LASSERT(oh->ot_handle == NULL);
3653 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
3654 osd_dto_credits_noquota[DTO_INDEX_INSERT]);
3660 * Inserts (key, value) pair in \a dt index object.
3662 * \param dt osd index object
3663 * \param key key for index
3664 * \param rec record reference
3665 * \param th transaction handler
3668 * \retval -ve failure
3670 static int osd_index_iam_insert(const struct lu_env *env, struct dt_object *dt,
3671 const struct dt_rec *rec,
3672 const struct dt_key *key, struct thandle *th,
3675 struct osd_object *obj = osd_dt_obj(dt);
3676 struct iam_path_descr *ipd;
3677 struct osd_thandle *oh;
3678 struct iam_container *bag;
3679 struct osd_thread_info *oti = osd_oti_get(env);
3680 struct iam_rec *iam_rec;
3684 if (!dt_object_exists(dt))
3687 LINVRNT(osd_invariant(obj));
3688 LASSERT(!dt_object_remote(dt));
3690 bag = &obj->oo_dir->od_container;
3691 LASSERT(bag->ic_object == obj->oo_inode);
3692 LASSERT(th != NULL);
3694 osd_trans_exec_op(env, th, OSD_OT_INSERT);
3696 ipd = osd_idx_ipd_get(env, bag);
3697 if (unlikely(ipd == NULL))
3700 oh = container_of0(th, struct osd_thandle, ot_super);
3701 LASSERT(oh->ot_handle != NULL);
3702 LASSERT(oh->ot_handle->h_transaction != NULL);
3703 if (S_ISDIR(obj->oo_inode->i_mode)) {
3704 iam_rec = (struct iam_rec *)oti->oti_ldp;
3705 osd_fid_pack((struct osd_fid_pack *)iam_rec, rec, &oti->oti_fid);
3706 } else if (fid_is_quota(lu_object_fid(&dt->do_lu))) {
3707 /* pack quota uid/gid */
3708 oti->oti_quota_id = cpu_to_le64(*((__u64 *)key));
3709 key = (const struct dt_key *)&oti->oti_quota_id;
3710 /* pack quota record */
3711 rec = osd_quota_pack(obj, rec, &oti->oti_quota_rec);
3712 iam_rec = (struct iam_rec *)rec;
3714 iam_rec = (struct iam_rec *)rec;
3717 rc = iam_insert(oh->ot_handle, bag, (const struct iam_key *)key,
3719 osd_ipd_put(env, bag, ipd);
3720 LINVRNT(osd_invariant(obj));
3721 osd_trans_exec_check(env, th, OSD_OT_INSERT);
3726 * Calls ldiskfs_add_entry() to add directory entry
3727 * into the directory. This is required for
3728 * interoperability mode (b11826)
3730 * \retval 0, on success
3731 * \retval -ve, on error
3733 static int __osd_ea_add_rec(struct osd_thread_info *info,
3734 struct osd_object *pobj, struct inode *cinode,
3735 const char *name, const struct lu_fid *fid,
3736 struct htree_lock *hlock, struct thandle *th)
3738 struct ldiskfs_dentry_param *ldp;
3739 struct dentry *child;
3740 struct osd_thandle *oth;
3743 oth = container_of(th, struct osd_thandle, ot_super);
3744 LASSERT(oth->ot_handle != NULL);
3745 LASSERT(oth->ot_handle->h_transaction != NULL);
3746 LASSERT(pobj->oo_inode);
3748 ldp = (struct ldiskfs_dentry_param *)info->oti_ldp;
3749 if (unlikely(pobj->oo_inode ==
3750 osd_sb(osd_obj2dev(pobj))->s_root->d_inode))
3753 osd_get_ldiskfs_dirent_param(ldp, fid);
3754 child = osd_child_dentry_get(info->oti_env, pobj, name, strlen(name));
3755 child->d_fsdata = (void *)ldp;
3756 ll_vfs_dq_init(pobj->oo_inode);
3757 rc = osd_ldiskfs_add_entry(oth->ot_handle, child, cinode, hlock);
3758 if (rc == 0 && OBD_FAIL_CHECK(OBD_FAIL_LFSCK_BAD_TYPE)) {
3759 struct ldiskfs_dir_entry_2 *de;
3760 struct buffer_head *bh;
3763 bh = osd_ldiskfs_find_entry(pobj->oo_inode, &child->d_name, &de,
3766 rc1 = ldiskfs_journal_get_write_access(oth->ot_handle,
3769 if (S_ISDIR(cinode->i_mode))
3770 de->file_type = LDISKFS_DIRENT_LUFID |
3771 LDISKFS_FT_REG_FILE;
3773 de->file_type = LDISKFS_DIRENT_LUFID |
3775 ldiskfs_handle_dirty_metadata(oth->ot_handle,
3786 * Calls ldiskfs_add_dot_dotdot() to add dot and dotdot entries
3787 * into the directory.Also sets flags into osd object to
3788 * indicate dot and dotdot are created. This is required for
3789 * interoperability mode (b11826)
3791 * \param dir directory for dot and dotdot fixup.
3792 * \param obj child object for linking
3794 * \retval 0, on success
3795 * \retval -ve, on error
3797 static int osd_add_dot_dotdot(struct osd_thread_info *info,
3798 struct osd_object *dir,
3799 struct inode *parent_dir, const char *name,
3800 const struct lu_fid *dot_fid,
3801 const struct lu_fid *dot_dot_fid,
3804 struct inode *inode = dir->oo_inode;
3805 struct osd_thandle *oth;
3808 oth = container_of(th, struct osd_thandle, ot_super);
3809 LASSERT(oth->ot_handle->h_transaction != NULL);
3810 LASSERT(S_ISDIR(dir->oo_inode->i_mode));
3812 if (strcmp(name, dot) == 0) {
3813 if (dir->oo_compat_dot_created) {
3816 LASSERT(inode == parent_dir);
3817 dir->oo_compat_dot_created = 1;
3820 } else if (strcmp(name, dotdot) == 0) {
3821 if (!dir->oo_compat_dot_created)
3823 /* in case of rename, dotdot is already created */
3824 if (dir->oo_compat_dotdot_created) {
3825 return __osd_ea_add_rec(info, dir, parent_dir, name,
3826 dot_dot_fid, NULL, th);
3829 if (OBD_FAIL_CHECK(OBD_FAIL_LFSCK_BAD_PARENT)) {
3830 struct lu_fid tfid = *dot_dot_fid;
3833 result = osd_add_dot_dotdot_internal(info,
3834 dir->oo_inode, parent_dir, dot_fid,
3837 result = osd_add_dot_dotdot_internal(info,
3838 dir->oo_inode, parent_dir, dot_fid,
3843 dir->oo_compat_dotdot_created = 1;
3851 * It will call the appropriate osd_add* function and return the
3852 * value, return by respective functions.
3854 static int osd_ea_add_rec(const struct lu_env *env, struct osd_object *pobj,
3855 struct inode *cinode, const char *name,
3856 const struct lu_fid *fid, struct thandle *th)
3858 struct osd_thread_info *info = osd_oti_get(env);
3859 struct htree_lock *hlock;
3862 hlock = pobj->oo_hl_head != NULL ? info->oti_hlock : NULL;
3864 if (name[0] == '.' && (name[1] == '\0' || (name[1] == '.' &&
3866 if (hlock != NULL) {
3867 ldiskfs_htree_lock(hlock, pobj->oo_hl_head,
3870 down_write(&pobj->oo_ext_idx_sem);
3873 rc = osd_add_dot_dotdot(info, pobj, cinode, name,
3874 lu_object_fid(&pobj->oo_dt.do_lu),
3877 if (hlock != NULL) {
3878 ldiskfs_htree_lock(hlock, pobj->oo_hl_head,
3879 pobj->oo_inode, LDISKFS_HLOCK_ADD);
3881 down_write(&pobj->oo_ext_idx_sem);
3884 if (OBD_FAIL_CHECK(OBD_FAIL_FID_INDIR)) {
3885 struct lu_fid *tfid = &info->oti_fid;
3889 rc = __osd_ea_add_rec(info, pobj, cinode, name,
3892 rc = __osd_ea_add_rec(info, pobj, cinode, name, fid,
3897 ldiskfs_htree_unlock(hlock);
3899 up_write(&pobj->oo_ext_idx_sem);
3905 osd_consistency_check(struct osd_thread_info *oti, struct osd_device *dev,
3906 struct osd_idmap_cache *oic)
3908 struct osd_scrub *scrub = &dev->od_scrub;
3909 struct lu_fid *fid = &oic->oic_fid;
3910 struct osd_inode_id *id = &oti->oti_id;
3915 if (!fid_is_norm(fid) && !fid_is_igif(fid))
3918 if (scrub->os_pos_current > id->oii_ino)
3922 rc = osd_oi_lookup(oti, dev, fid, id, OI_CHECK_FLD);
3923 if (rc != 0 && rc != -ENOENT)
3926 if (rc == 0 && osd_id_eq(id, &oic->oic_lid))
3929 if (thread_is_running(&scrub->os_thread)) {
3930 rc = osd_oii_insert(dev, oic, rc == -ENOENT);
3931 /* There is race condition between osd_oi_lookup and OI scrub.
3932 * The OI scrub finished just after osd_oi_lookup() failure.
3933 * Under such case, it is unnecessary to trigger OI scrub again,
3934 * but try to call osd_oi_lookup() again. */
3935 if (unlikely(rc == -EAGAIN))
3941 if (!dev->od_noscrub && ++once == 1) {
3942 rc = osd_scrub_start(dev, SS_AUTO_PARTIAL | SS_CLEAR_DRYRUN |
3944 CDEBUG(D_LFSCK | D_CONSOLE, "%.16s: trigger OI scrub by RPC "
3945 "for "DFID", rc = %d [2]\n",
3946 LDISKFS_SB(osd_sb(dev))->s_es->s_volume_name,
3948 if (rc == 0 || rc == -EALREADY)
3955 static int osd_fail_fid_lookup(struct osd_thread_info *oti,
3956 struct osd_device *dev,
3957 struct osd_idmap_cache *oic,
3958 struct lu_fid *fid, __u32 ino)
3960 struct lustre_mdt_attrs *lma = &oti->oti_mdt_attrs;
3961 struct inode *inode;
3964 osd_id_gen(&oic->oic_lid, ino, OSD_OII_NOGEN);
3965 inode = osd_iget(oti, dev, &oic->oic_lid);
3966 if (IS_ERR(inode)) {
3967 fid_zero(&oic->oic_fid);
3968 return PTR_ERR(inode);
3971 rc = osd_get_lma(oti, inode, &oti->oti_obj_dentry, lma);
3974 fid_zero(&oic->oic_fid);
3976 *fid = oic->oic_fid = lma->lma_self_fid;
3980 void osd_add_oi_cache(struct osd_thread_info *info, struct osd_device *osd,
3981 struct osd_inode_id *id, const struct lu_fid *fid)
3983 CDEBUG(D_INODE, "add "DFID" %u:%u to info %p\n", PFID(fid),
3984 id->oii_ino, id->oii_gen, info);
3985 info->oti_cache.oic_lid = *id;
3986 info->oti_cache.oic_fid = *fid;
3987 info->oti_cache.oic_dev = osd;
3991 * Get parent FID from the linkEA.
3993 * For a directory which parent resides on remote MDT, to satisfy the
3994 * local e2fsck, we insert it into the /REMOTE_PARENT_DIR locally. On
3995 * the other hand, to make the lookup(..) on the directory can return
3996 * the real parent FID, we append the real parent FID after its ".."
3997 * name entry in the /REMOTE_PARENT_DIR.
3999 * Unfortunately, such PFID-in-dirent cannot be preserved via file-level
4000 * backup. So after the restore, we cannot get the right parent FID from
4001 * its ".." name entry in the /REMOTE_PARENT_DIR. Under such case, since
4002 * we have stored the real parent FID in the directory object's linkEA,
4003 * we can parse the linkEA for the real parent FID.
4005 * \param[in] env pointer to the thread context
4006 * \param[in] obj pointer to the object to be handled
4007 * \param[out]fid pointer to the buffer to hold the parent FID
4009 * \retval 0 for getting the real parent FID successfully
4010 * \retval negative error number on failure
4012 static int osd_get_pfid_from_linkea(const struct lu_env *env,
4013 struct osd_object *obj,
4016 struct osd_thread_info *oti = osd_oti_get(env);
4017 struct lu_buf *buf = &oti->oti_big_buf;
4018 struct dentry *dentry = &oti->oti_obj_dentry;
4019 struct inode *inode = obj->oo_inode;
4020 struct linkea_data ldata = { NULL };
4025 if (!S_ISDIR(inode->i_mode))
4029 rc = __osd_xattr_get(inode, dentry, XATTR_NAME_LINK,
4030 buf->lb_buf, buf->lb_len);
4031 if (rc == -ERANGE) {
4032 rc = __osd_xattr_get(inode, dentry, XATTR_NAME_LINK,
4035 lu_buf_realloc(buf, rc);
4036 if (buf->lb_buf == NULL)
4043 if (unlikely(rc == 0))
4049 if (unlikely(buf->lb_buf == NULL)) {
4050 lu_buf_realloc(buf, rc);
4051 if (buf->lb_buf == NULL)
4058 rc = linkea_init(&ldata);
4060 linkea_first_entry(&ldata);
4061 linkea_entry_unpack(ldata.ld_lee, &ldata.ld_reclen, NULL, fid);
4068 * Calls ->lookup() to find dentry. From dentry get inode and
4069 * read inode's ea to get fid. This is required for interoperability
4072 * \retval 0, on success
4073 * \retval -ve, on error
4075 static int osd_ea_lookup_rec(const struct lu_env *env, struct osd_object *obj,
4076 struct dt_rec *rec, const struct dt_key *key)
4078 struct inode *dir = obj->oo_inode;
4079 struct dentry *dentry;
4080 struct ldiskfs_dir_entry_2 *de;
4081 struct buffer_head *bh;
4082 struct lu_fid *fid = (struct lu_fid *) rec;
4083 struct htree_lock *hlock = NULL;
4088 LASSERT(dir->i_op != NULL);
4089 LASSERT(dir->i_op->lookup != NULL);
4091 dentry = osd_child_dentry_get(env, obj,
4092 (char *)key, strlen((char *)key));
4094 if (obj->oo_hl_head != NULL) {
4095 hlock = osd_oti_get(env)->oti_hlock;
4096 ldiskfs_htree_lock(hlock, obj->oo_hl_head,
4097 dir, LDISKFS_HLOCK_LOOKUP);
4099 down_read(&obj->oo_ext_idx_sem);
4102 bh = osd_ldiskfs_find_entry(dir, &dentry->d_name, &de, NULL, hlock);
4104 struct osd_thread_info *oti = osd_oti_get(env);
4105 struct osd_inode_id *id = &oti->oti_id;
4106 struct osd_idmap_cache *oic = &oti->oti_cache;
4107 struct osd_device *dev = osd_obj2dev(obj);
4109 ino = le32_to_cpu(de->inode);
4110 if (OBD_FAIL_CHECK(OBD_FAIL_FID_LOOKUP)) {
4112 rc = osd_fail_fid_lookup(oti, dev, oic, fid, ino);
4116 rc = osd_get_fid_from_dentry(de, rec);
4118 /* done with de, release bh */
4121 if (unlikely(ino == osd_remote_parent_ino(dev))) {
4122 const char *name = (const char *)key;
4124 /* If the parent is on remote MDT, and there
4125 * is no FID-in-dirent, then we have to get
4126 * the parent FID from the linkEA. */
4127 if (likely(strlen(name) == 2 &&
4128 name[0] == '.' && name[1] == '.'))
4129 rc = osd_get_pfid_from_linkea(env, obj,
4132 rc = osd_ea_fid_get(env, obj, ino, fid, id);
4135 osd_id_gen(id, ino, OSD_OII_NOGEN);
4139 fid_zero(&oic->oic_fid);
4143 if (osd_remote_fid(env, dev, fid))
4146 osd_add_oi_cache(osd_oti_get(env), osd_obj2dev(obj), id, fid);
4147 osd_consistency_check(oti, dev, oic);
4156 ldiskfs_htree_unlock(hlock);
4158 up_read(&obj->oo_ext_idx_sem);
4163 * Find the osd object for given fid.
4165 * \param fid need to find the osd object having this fid
4167 * \retval osd_object on success
4168 * \retval -ve on error
4170 static struct osd_object *osd_object_find(const struct lu_env *env,
4171 struct dt_object *dt,
4172 const struct lu_fid *fid)
4174 struct lu_device *ludev = dt->do_lu.lo_dev;
4175 struct osd_object *child = NULL;
4176 struct lu_object *luch;
4177 struct lu_object *lo;
4180 * at this point topdev might not exist yet
4181 * (i.e. MGS is preparing profiles). so we can
4182 * not rely on topdev and instead lookup with
4183 * our device passed as topdev. this can't work
4184 * if the object isn't cached yet (as osd doesn't
4185 * allocate lu_header). IOW, the object must be
4186 * in the cache, otherwise lu_object_alloc() crashes
4189 luch = lu_object_find_at(env, ludev->ld_site->ls_top_dev == NULL ?
4190 ludev : ludev->ld_site->ls_top_dev,
4192 if (!IS_ERR(luch)) {
4193 if (lu_object_exists(luch)) {
4194 lo = lu_object_locate(luch->lo_header, ludev->ld_type);
4196 child = osd_obj(lo);
4198 LU_OBJECT_DEBUG(D_ERROR, env, luch,
4199 "lu_object can't be located"
4200 DFID"\n", PFID(fid));
4202 if (child == NULL) {
4203 lu_object_put(env, luch);
4204 CERROR("Unable to get osd_object\n");
4205 child = ERR_PTR(-ENOENT);
4208 LU_OBJECT_DEBUG(D_ERROR, env, luch,
4209 "lu_object does not exists "DFID"\n",
4211 lu_object_put(env, luch);
4212 child = ERR_PTR(-ENOENT);
4215 child = ERR_CAST(luch);
4222 * Put the osd object once done with it.
4224 * \param obj osd object that needs to be put
4226 static inline void osd_object_put(const struct lu_env *env,
4227 struct osd_object *obj)
4229 lu_object_put(env, &obj->oo_dt.do_lu);
4232 static int osd_index_declare_ea_insert(const struct lu_env *env,
4233 struct dt_object *dt,
4234 const struct dt_rec *rec,
4235 const struct dt_key *key,
4236 struct thandle *handle)
4238 struct osd_thandle *oh;
4239 struct osd_device *osd = osd_dev(dt->do_lu.lo_dev);
4240 struct lu_fid *fid = (struct lu_fid *)rec;
4241 int credits, rc = 0;
4244 LASSERT(!dt_object_remote(dt));
4245 LASSERT(handle != NULL);
4247 oh = container_of0(handle, struct osd_thandle, ot_super);
4248 LASSERT(oh->ot_handle == NULL);
4250 credits = osd_dto_credits_noquota[DTO_INDEX_INSERT];
4252 rc = osd_remote_fid(env, osd, fid);
4253 if (unlikely(rc < 0))
4256 /* a reference to remote inode is represented by an
4257 * agent inode which we have to create */
4258 credits += osd_dto_credits_noquota[DTO_OBJECT_CREATE];
4259 credits += osd_dto_credits_noquota[DTO_INDEX_INSERT];
4264 osd_trans_declare_op(env, oh, OSD_OT_INSERT, credits);
4266 if (osd_dt_obj(dt)->oo_inode != NULL) {
4267 struct inode *inode = osd_dt_obj(dt)->oo_inode;
4269 /* We ignore block quota on meta pool (MDTs), so needn't
4270 * calculate how many blocks will be consumed by this index
4272 rc = osd_declare_inode_qid(env, i_uid_read(inode),
4273 i_gid_read(inode), 0, oh,
4274 osd_dt_obj(dt), true, NULL, false);
4281 * Index add function for interoperability mode (b11826).
4282 * It will add the directory entry.This entry is needed to
4283 * maintain name->fid mapping.
4285 * \param key it is key i.e. file entry to be inserted
4286 * \param rec it is value of given key i.e. fid
4288 * \retval 0, on success
4289 * \retval -ve, on error
4291 static int osd_index_ea_insert(const struct lu_env *env, struct dt_object *dt,
4292 const struct dt_rec *rec,
4293 const struct dt_key *key, struct thandle *th,
4296 struct osd_object *obj = osd_dt_obj(dt);
4297 struct osd_device *osd = osd_dev(dt->do_lu.lo_dev);
4298 struct dt_insert_rec *rec1 = (struct dt_insert_rec *)rec;
4299 const struct lu_fid *fid = rec1->rec_fid;
4300 const char *name = (const char *)key;
4301 struct osd_thread_info *oti = osd_oti_get(env);
4302 struct osd_inode_id *id = &oti->oti_id;
4303 struct inode *child_inode = NULL;
4304 struct osd_object *child = NULL;
4308 if (!dt_object_exists(dt))
4311 LASSERT(osd_invariant(obj));
4312 LASSERT(!dt_object_remote(dt));
4313 LASSERT(th != NULL);
4315 osd_trans_exec_op(env, th, OSD_OT_INSERT);
4317 LASSERTF(fid_is_sane(fid), "fid"DFID" is insane!\n", PFID(fid));
4319 rc = osd_remote_fid(env, osd, fid);
4321 CERROR("%s: Can not find object "DFID" rc %d\n",
4322 osd_name(osd), PFID(fid), rc);
4327 /* Insert remote entry */
4328 if (strcmp(name, dotdot) == 0 && strlen(name) == 2) {
4329 struct osd_mdobj_map *omm = osd->od_mdt_map;
4330 struct osd_thandle *oh;
4332 /* If parent on remote MDT, we need put this object
4334 oh = container_of(th, typeof(*oh), ot_super);
4335 rc = osd_add_to_remote_parent(env, osd, obj, oh);
4337 CERROR("%s: add "DFID" error: rc = %d\n",
4339 PFID(lu_object_fid(&dt->do_lu)), rc);
4343 child_inode = igrab(omm->omm_remote_parent->d_inode);
4345 child_inode = osd_create_local_agent_inode(env, osd,
4346 obj, fid, rec1->rec_type & S_IFMT, th);
4347 if (IS_ERR(child_inode))
4348 RETURN(PTR_ERR(child_inode));
4351 /* Insert local entry */
4352 child = osd_object_find(env, dt, fid);
4353 if (IS_ERR(child)) {
4354 CERROR("%s: Can not find object "DFID"%u:%u: rc = %d\n",
4355 osd_name(osd), PFID(fid),
4356 id->oii_ino, id->oii_gen,
4357 (int)PTR_ERR(child));
4358 RETURN(PTR_ERR(child));
4360 child_inode = igrab(child->oo_inode);
4363 rc = osd_ea_add_rec(env, obj, child_inode, name, fid, th);
4365 CDEBUG(D_INODE, "parent %lu insert %s:%lu rc = %d\n",
4366 obj->oo_inode->i_ino, name, child_inode->i_ino, rc);
4370 osd_object_put(env, child);
4371 LASSERT(osd_invariant(obj));
4372 osd_trans_exec_check(env, th, OSD_OT_INSERT);
4377 * Initialize osd Iterator for given osd index object.
4379 * \param dt osd index object
4382 static struct dt_it *osd_it_iam_init(const struct lu_env *env,
4383 struct dt_object *dt,
4386 struct osd_it_iam *it;
4387 struct osd_object *obj = osd_dt_obj(dt);
4388 struct lu_object *lo = &dt->do_lu;
4389 struct iam_path_descr *ipd;
4390 struct iam_container *bag = &obj->oo_dir->od_container;
4392 if (!dt_object_exists(dt))
4393 return ERR_PTR(-ENOENT);
4397 return ERR_PTR(-ENOMEM);
4399 ipd = osd_it_ipd_get(env, bag);
4400 if (likely(ipd != NULL)) {
4404 iam_it_init(&it->oi_it, bag, IAM_IT_MOVE, ipd);
4405 return (struct dt_it *)it;
4408 return ERR_PTR(-ENOMEM);
4413 * free given Iterator.
4416 static void osd_it_iam_fini(const struct lu_env *env, struct dt_it *di)
4418 struct osd_it_iam *it = (struct osd_it_iam *)di;
4419 struct osd_object *obj = it->oi_obj;
4421 iam_it_fini(&it->oi_it);
4422 osd_ipd_put(env, &obj->oo_dir->od_container, it->oi_ipd);
4423 lu_object_put(env, &obj->oo_dt.do_lu);
4428 * Move Iterator to record specified by \a key
4430 * \param di osd iterator
4431 * \param key key for index
4433 * \retval +ve di points to record with least key not larger than key
4434 * \retval 0 di points to exact matched key
4435 * \retval -ve failure
4438 static int osd_it_iam_get(const struct lu_env *env,
4439 struct dt_it *di, const struct dt_key *key)
4441 struct osd_thread_info *oti = osd_oti_get(env);
4442 struct osd_it_iam *it = (struct osd_it_iam *)di;
4444 if (fid_is_quota(lu_object_fid(&it->oi_obj->oo_dt.do_lu))) {
4445 /* swab quota uid/gid */
4446 oti->oti_quota_id = cpu_to_le64(*((__u64 *)key));
4447 key = (struct dt_key *)&oti->oti_quota_id;
4450 return iam_it_get(&it->oi_it, (const struct iam_key *)key);
4456 * \param di osd iterator
4458 static void osd_it_iam_put(const struct lu_env *env, struct dt_it *di)
4460 struct osd_it_iam *it = (struct osd_it_iam *)di;
4462 iam_it_put(&it->oi_it);
4466 * Move iterator by one record
4468 * \param di osd iterator
4470 * \retval +1 end of container reached
4472 * \retval -ve failure
4475 static int osd_it_iam_next(const struct lu_env *env, struct dt_it *di)
4477 struct osd_it_iam *it = (struct osd_it_iam *)di;
4479 return iam_it_next(&it->oi_it);
4483 * Return pointer to the key under iterator.
4486 static struct dt_key *osd_it_iam_key(const struct lu_env *env,
4487 const struct dt_it *di)
4489 struct osd_thread_info *oti = osd_oti_get(env);
4490 struct osd_it_iam *it = (struct osd_it_iam *)di;
4491 struct osd_object *obj = it->oi_obj;
4494 key = (struct dt_key *)iam_it_key_get(&it->oi_it);
4496 if (!IS_ERR(key) && fid_is_quota(lu_object_fid(&obj->oo_dt.do_lu))) {
4497 /* swab quota uid/gid */
4498 oti->oti_quota_id = le64_to_cpu(*((__u64 *)key));
4499 key = (struct dt_key *)&oti->oti_quota_id;
4506 * Return size of key under iterator (in bytes)
4509 static int osd_it_iam_key_size(const struct lu_env *env, const struct dt_it *di)
4511 struct osd_it_iam *it = (struct osd_it_iam *)di;
4513 return iam_it_key_size(&it->oi_it);
4517 osd_it_append_attrs(struct lu_dirent *ent, int len, __u16 type)
4519 /* check if file type is required */
4520 if (ent->lde_attrs & LUDA_TYPE) {
4521 struct luda_type *lt;
4522 int align = sizeof(*lt) - 1;
4524 len = (len + align) & ~align;
4525 lt = (struct luda_type *)(ent->lde_name + len);
4526 lt->lt_type = cpu_to_le16(DTTOIF(type));
4529 ent->lde_attrs = cpu_to_le32(ent->lde_attrs);
4533 * build lu direct from backend fs dirent.
4537 osd_it_pack_dirent(struct lu_dirent *ent, struct lu_fid *fid, __u64 offset,
4538 char *name, __u16 namelen, __u16 type, __u32 attr)
4540 ent->lde_attrs = attr | LUDA_FID;
4541 fid_cpu_to_le(&ent->lde_fid, fid);
4543 ent->lde_hash = cpu_to_le64(offset);
4544 ent->lde_reclen = cpu_to_le16(lu_dirent_calc_size(namelen, attr));
4546 strncpy(ent->lde_name, name, namelen);
4547 ent->lde_name[namelen] = '\0';
4548 ent->lde_namelen = cpu_to_le16(namelen);
4550 /* append lustre attributes */
4551 osd_it_append_attrs(ent, namelen, type);
4555 * Return pointer to the record under iterator.
4557 static int osd_it_iam_rec(const struct lu_env *env,
4558 const struct dt_it *di,
4559 struct dt_rec *dtrec, __u32 attr)
4561 struct osd_it_iam *it = (struct osd_it_iam *)di;
4562 struct osd_thread_info *info = osd_oti_get(env);
4565 if (S_ISDIR(it->oi_obj->oo_inode->i_mode)) {
4566 const struct osd_fid_pack *rec;
4567 struct lu_fid *fid = &info->oti_fid;
4568 struct lu_dirent *lde = (struct lu_dirent *)dtrec;
4574 name = (char *)iam_it_key_get(&it->oi_it);
4576 RETURN(PTR_ERR(name));
4578 namelen = iam_it_key_size(&it->oi_it);
4580 rec = (const struct osd_fid_pack *)iam_it_rec_get(&it->oi_it);
4582 RETURN(PTR_ERR(rec));
4584 rc = osd_fid_unpack(fid, rec);
4588 hash = iam_it_store(&it->oi_it);
4590 /* IAM does not store object type in IAM index (dir) */
4591 osd_it_pack_dirent(lde, fid, hash, name, namelen,
4593 } else if (fid_is_quota(lu_object_fid(&it->oi_obj->oo_dt.do_lu))) {
4594 iam_reccpy(&it->oi_it.ii_path.ip_leaf,
4595 (struct iam_rec *)dtrec);
4596 osd_quota_unpack(it->oi_obj, dtrec);
4598 iam_reccpy(&it->oi_it.ii_path.ip_leaf,
4599 (struct iam_rec *)dtrec);
4606 * Returns cookie for current Iterator position.
4608 static __u64 osd_it_iam_store(const struct lu_env *env, const struct dt_it *di)
4610 struct osd_it_iam *it = (struct osd_it_iam *)di;
4612 return iam_it_store(&it->oi_it);
4616 * Restore iterator from cookie.
4618 * \param di osd iterator
4619 * \param hash Iterator location cookie
4621 * \retval +ve di points to record with least key not larger than key.
4622 * \retval 0 di points to exact matched key
4623 * \retval -ve failure
4626 static int osd_it_iam_load(const struct lu_env *env,
4627 const struct dt_it *di, __u64 hash)
4629 struct osd_it_iam *it = (struct osd_it_iam *)di;
4631 return iam_it_load(&it->oi_it, hash);
4634 static const struct dt_index_operations osd_index_iam_ops = {
4635 .dio_lookup = osd_index_iam_lookup,
4636 .dio_declare_insert = osd_index_declare_iam_insert,
4637 .dio_insert = osd_index_iam_insert,
4638 .dio_declare_delete = osd_index_declare_iam_delete,
4639 .dio_delete = osd_index_iam_delete,
4641 .init = osd_it_iam_init,
4642 .fini = osd_it_iam_fini,
4643 .get = osd_it_iam_get,
4644 .put = osd_it_iam_put,
4645 .next = osd_it_iam_next,
4646 .key = osd_it_iam_key,
4647 .key_size = osd_it_iam_key_size,
4648 .rec = osd_it_iam_rec,
4649 .store = osd_it_iam_store,
4650 .load = osd_it_iam_load
4656 * Creates or initializes iterator context.
4658 * \retval struct osd_it_ea, iterator structure on success
4661 static struct dt_it *osd_it_ea_init(const struct lu_env *env,
4662 struct dt_object *dt,
4665 struct osd_object *obj = osd_dt_obj(dt);
4666 struct osd_thread_info *info = osd_oti_get(env);
4667 struct osd_it_ea *oie;
4669 struct lu_object *lo = &dt->do_lu;
4670 struct dentry *obj_dentry;
4673 if (!dt_object_exists(dt) || obj->oo_destroyed)
4674 RETURN(ERR_PTR(-ENOENT));
4676 OBD_SLAB_ALLOC_PTR_GFP(oie, osd_itea_cachep, GFP_NOFS);
4678 RETURN(ERR_PTR(-ENOMEM));
4679 obj_dentry = &oie->oie_dentry;
4681 obj_dentry->d_inode = obj->oo_inode;
4682 obj_dentry->d_sb = osd_sb(osd_obj2dev(obj));
4683 obj_dentry->d_name.hash = 0;
4685 oie->oie_rd_dirent = 0;
4686 oie->oie_it_dirent = 0;
4687 oie->oie_dirent = NULL;
4688 if (unlikely(!info->oti_it_ea_buf_used)) {
4689 oie->oie_buf = info->oti_it_ea_buf;
4690 info->oti_it_ea_buf_used = 1;
4692 OBD_ALLOC(oie->oie_buf, OSD_IT_EA_BUFSIZE);
4693 if (oie->oie_buf == NULL)
4694 RETURN(ERR_PTR(-ENOMEM));
4698 file = &oie->oie_file;
4700 /* Only FMODE_64BITHASH or FMODE_32BITHASH should be set, NOT both. */
4701 if (attr & LUDA_64BITHASH)
4702 file->f_mode = FMODE_64BITHASH;
4704 file->f_mode = FMODE_32BITHASH;
4705 file->f_path.dentry = obj_dentry;
4706 file->f_mapping = obj->oo_inode->i_mapping;
4707 file->f_op = obj->oo_inode->i_fop;
4708 set_file_inode(file, obj->oo_inode);
4711 RETURN((struct dt_it *) oie);
4715 * Destroy or finishes iterator context.
4717 * \param di iterator structure to be destroyed
4719 static void osd_it_ea_fini(const struct lu_env *env, struct dt_it *di)
4721 struct osd_thread_info *info = osd_oti_get(env);
4722 struct osd_it_ea *oie = (struct osd_it_ea *)di;
4723 struct osd_object *obj = oie->oie_obj;
4724 struct inode *inode = obj->oo_inode;
4727 oie->oie_file.f_op->release(inode, &oie->oie_file);
4728 lu_object_put(env, &obj->oo_dt.do_lu);
4729 if (unlikely(oie->oie_buf != info->oti_it_ea_buf))
4730 OBD_FREE(oie->oie_buf, OSD_IT_EA_BUFSIZE);
4732 info->oti_it_ea_buf_used = 0;
4733 OBD_SLAB_FREE_PTR(oie, osd_itea_cachep);
4738 * It position the iterator at given key, so that next lookup continues from
4739 * that key Or it is similar to dio_it->load() but based on a key,
4740 * rather than file position.
4742 * As a special convention, osd_it_ea_get(env, di, "") has to rewind iterator
4745 * TODO: Presently return +1 considering it is only used by mdd_dir_is_empty().
4747 static int osd_it_ea_get(const struct lu_env *env,
4748 struct dt_it *di, const struct dt_key *key)
4750 struct osd_it_ea *it = (struct osd_it_ea *)di;
4753 LASSERT(((const char *)key)[0] == '\0');
4754 it->oie_file.f_pos = 0;
4755 it->oie_rd_dirent = 0;
4756 it->oie_it_dirent = 0;
4757 it->oie_dirent = NULL;
4765 static void osd_it_ea_put(const struct lu_env *env, struct dt_it *di)
4769 struct osd_filldir_cbs {
4770 #ifdef HAVE_DIR_CONTEXT
4771 struct dir_context ctx;
4773 struct osd_it_ea *it;
4776 * It is called internally by ->readdir(). It fills the
4777 * iterator's in-memory data structure with required
4778 * information i.e. name, namelen, rec_size etc.
4780 * \param buf in which information to be filled in.
4781 * \param name name of the file in given dir
4783 * \retval 0 on success
4784 * \retval 1 on buffer full
4786 static int osd_ldiskfs_filldir(void *buf, const char *name, int namelen,
4787 loff_t offset, __u64 ino,
4790 struct osd_it_ea *it = ((struct osd_filldir_cbs *)buf)->it;
4791 struct osd_object *obj = it->oie_obj;
4792 struct osd_it_ea_dirent *ent = it->oie_dirent;
4793 struct lu_fid *fid = &ent->oied_fid;
4794 struct osd_fid_pack *rec;
4797 /* this should never happen */
4798 if (unlikely(namelen == 0 || namelen > LDISKFS_NAME_LEN)) {
4799 CERROR("ldiskfs return invalid namelen %d\n", namelen);
4803 if ((void *) ent - it->oie_buf + sizeof(*ent) + namelen >
4807 /* "." is just the object itself. */
4808 if (namelen == 1 && name[0] == '.') {
4809 *fid = obj->oo_dt.do_lu.lo_header->loh_fid;
4810 } else if (d_type & LDISKFS_DIRENT_LUFID) {
4811 rec = (struct osd_fid_pack*) (name + namelen + 1);
4812 if (osd_fid_unpack(fid, rec) != 0)
4817 d_type &= ~LDISKFS_DIRENT_LUFID;
4819 /* NOT export local root. */
4820 if (unlikely(osd_sb(osd_obj2dev(obj))->s_root->d_inode->i_ino == ino)) {
4821 ino = obj->oo_inode->i_ino;
4822 *fid = obj->oo_dt.do_lu.lo_header->loh_fid;
4825 ent->oied_ino = ino;
4826 ent->oied_off = offset;
4827 ent->oied_namelen = namelen;
4828 ent->oied_type = d_type;
4830 memcpy(ent->oied_name, name, namelen);
4832 it->oie_rd_dirent++;
4833 it->oie_dirent = (void *) ent + cfs_size_round(sizeof(*ent) + namelen);
4838 * Calls ->readdir() to load a directory entry at a time
4839 * and stored it in iterator's in-memory data structure.
4841 * \param di iterator's in memory structure
4843 * \retval 0 on success
4844 * \retval -ve on error
4845 * \retval +1 reach the end of entry
4847 static int osd_ldiskfs_it_fill(const struct lu_env *env,
4848 const struct dt_it *di)
4850 struct osd_it_ea *it = (struct osd_it_ea *)di;
4851 struct osd_object *obj = it->oie_obj;
4852 struct inode *inode = obj->oo_inode;
4853 struct htree_lock *hlock = NULL;
4854 struct file *filp = &it->oie_file;
4856 struct osd_filldir_cbs buf = {
4857 #ifdef HAVE_DIR_CONTEXT
4858 .ctx.actor = osd_ldiskfs_filldir,
4864 it->oie_dirent = it->oie_buf;
4865 it->oie_rd_dirent = 0;
4867 if (obj->oo_hl_head != NULL) {
4868 hlock = osd_oti_get(env)->oti_hlock;
4869 ldiskfs_htree_lock(hlock, obj->oo_hl_head,
4870 inode, LDISKFS_HLOCK_READDIR);
4872 down_read(&obj->oo_ext_idx_sem);
4875 #ifdef HAVE_DIR_CONTEXT
4876 buf.ctx.pos = filp->f_pos;
4877 rc = inode->i_fop->iterate(filp, &buf.ctx);
4878 filp->f_pos = buf.ctx.pos;
4880 rc = inode->i_fop->readdir(filp, &buf, osd_ldiskfs_filldir);
4884 ldiskfs_htree_unlock(hlock);
4886 up_read(&obj->oo_ext_idx_sem);
4888 if (it->oie_rd_dirent == 0) {
4889 /*If it does not get any dirent, it means it has been reached
4890 *to the end of the dir */
4891 it->oie_file.f_pos = ldiskfs_get_htree_eof(&it->oie_file);
4895 it->oie_dirent = it->oie_buf;
4896 it->oie_it_dirent = 1;
4903 * It calls osd_ldiskfs_it_fill() which will use ->readdir()
4904 * to load a directory entry at a time and stored it in
4905 * iterator's in-memory data structure.
4907 * \param di iterator's in memory structure
4909 * \retval +ve iterator reached to end
4910 * \retval 0 iterator not reached to end
4911 * \retval -ve on error
4913 static int osd_it_ea_next(const struct lu_env *env, struct dt_it *di)
4915 struct osd_it_ea *it = (struct osd_it_ea *)di;
4920 if (it->oie_it_dirent < it->oie_rd_dirent) {
4922 (void *) it->oie_dirent +
4923 cfs_size_round(sizeof(struct osd_it_ea_dirent) +
4924 it->oie_dirent->oied_namelen);
4925 it->oie_it_dirent++;
4928 if (it->oie_file.f_pos == ldiskfs_get_htree_eof(&it->oie_file))
4931 rc = osd_ldiskfs_it_fill(env, di);
4938 * Returns the key at current position from iterator's in memory structure.
4940 * \param di iterator's in memory structure
4942 * \retval key i.e. struct dt_key on success
4944 static struct dt_key *osd_it_ea_key(const struct lu_env *env,
4945 const struct dt_it *di)
4947 struct osd_it_ea *it = (struct osd_it_ea *)di;
4949 return (struct dt_key *)it->oie_dirent->oied_name;
4953 * Returns the key's size at current position from iterator's in memory structure.
4955 * \param di iterator's in memory structure
4957 * \retval key_size i.e. struct dt_key on success
4959 static int osd_it_ea_key_size(const struct lu_env *env, const struct dt_it *di)
4961 struct osd_it_ea *it = (struct osd_it_ea *)di;
4963 return it->oie_dirent->oied_namelen;
4967 osd_dirent_update(handle_t *jh, struct super_block *sb,
4968 struct osd_it_ea_dirent *ent, struct lu_fid *fid,
4969 struct buffer_head *bh, struct ldiskfs_dir_entry_2 *de)
4971 struct osd_fid_pack *rec;
4975 LASSERT(de->file_type & LDISKFS_DIRENT_LUFID);
4976 LASSERT(de->rec_len >= de->name_len + sizeof(struct osd_fid_pack));
4978 rc = ldiskfs_journal_get_write_access(jh, bh);
4982 rec = (struct osd_fid_pack *)(de->name + de->name_len + 1);
4983 fid_cpu_to_be((struct lu_fid *)rec->fp_area, fid);
4984 rc = ldiskfs_handle_dirty_metadata(jh, NULL, bh);
4990 osd_dirent_has_space(__u16 reclen, __u16 namelen, unsigned blocksize)
4992 if (ldiskfs_rec_len_from_disk(reclen, blocksize) >=
4993 __LDISKFS_DIR_REC_LEN(namelen + 1 + sizeof(struct osd_fid_pack)))
5000 osd_dot_dotdot_has_space(struct ldiskfs_dir_entry_2 *de, int dot_dotdot)
5002 LASSERTF(dot_dotdot == 1 || dot_dotdot == 2,
5003 "dot_dotdot = %d\n", dot_dotdot);
5005 if (LDISKFS_DIR_REC_LEN(de) >=
5006 __LDISKFS_DIR_REC_LEN(dot_dotdot + 1 + sizeof(struct osd_fid_pack)))
5013 osd_dirent_reinsert(const struct lu_env *env, handle_t *jh,
5014 struct inode *dir, struct inode *inode,
5015 struct osd_it_ea_dirent *ent, struct lu_fid *fid,
5016 struct buffer_head *bh, struct ldiskfs_dir_entry_2 *de,
5017 struct htree_lock *hlock)
5019 struct dentry *dentry;
5020 struct osd_fid_pack *rec;
5021 struct ldiskfs_dentry_param *ldp;
5025 if (!LDISKFS_HAS_INCOMPAT_FEATURE(inode->i_sb,
5026 LDISKFS_FEATURE_INCOMPAT_DIRDATA))
5029 /* There is enough space to hold the FID-in-dirent. */
5030 if (osd_dirent_has_space(de->rec_len, ent->oied_namelen,
5031 dir->i_sb->s_blocksize)) {
5032 rc = ldiskfs_journal_get_write_access(jh, bh);
5036 de->name[de->name_len] = 0;
5037 rec = (struct osd_fid_pack *)(de->name + de->name_len + 1);
5038 rec->fp_len = sizeof(struct lu_fid) + 1;
5039 fid_cpu_to_be((struct lu_fid *)rec->fp_area, fid);
5040 de->file_type |= LDISKFS_DIRENT_LUFID;
5042 rc = ldiskfs_handle_dirty_metadata(jh, NULL, bh);
5047 rc = ldiskfs_delete_entry(jh, dir, de, bh);
5051 dentry = osd_child_dentry_by_inode(env, dir, ent->oied_name,
5053 ldp = (struct ldiskfs_dentry_param *)osd_oti_get(env)->oti_ldp;
5054 osd_get_ldiskfs_dirent_param(ldp, fid);
5055 dentry->d_fsdata = (void *)ldp;
5056 ll_vfs_dq_init(dir);
5057 rc = osd_ldiskfs_add_entry(jh, dentry, inode, hlock);
5058 /* It is too bad, we cannot reinsert the name entry back.
5059 * That means we lose it! */
5061 CDEBUG(D_LFSCK, "%.16s: fail to reinsert the dirent, "
5062 "dir = %lu/%u, name = %.*s, "DFID": rc = %d\n",
5063 LDISKFS_SB(inode->i_sb)->s_es->s_volume_name,
5064 dir->i_ino, dir->i_generation,
5065 ent->oied_namelen, ent->oied_name, PFID(fid), rc);
5071 osd_dirent_check_repair(const struct lu_env *env, struct osd_object *obj,
5072 struct osd_it_ea *it, struct lu_fid *fid,
5073 struct osd_inode_id *id, __u32 *attr)
5075 struct osd_thread_info *info = osd_oti_get(env);
5076 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
5077 struct osd_device *dev = osd_obj2dev(obj);
5078 struct super_block *sb = osd_sb(dev);
5079 const char *devname =
5080 LDISKFS_SB(sb)->s_es->s_volume_name;
5081 struct osd_it_ea_dirent *ent = it->oie_dirent;
5082 struct inode *dir = obj->oo_inode;
5083 struct htree_lock *hlock = NULL;
5084 struct buffer_head *bh = NULL;
5085 handle_t *jh = NULL;
5086 struct ldiskfs_dir_entry_2 *de;
5087 struct dentry *dentry;
5088 struct inode *inode;
5095 if (ent->oied_name[0] == '.') {
5096 if (ent->oied_namelen == 1)
5098 else if (ent->oied_namelen == 2 && ent->oied_name[1] == '.')
5102 dentry = osd_child_dentry_get(env, obj, ent->oied_name,
5105 /* We need to ensure that the name entry is still valid.
5106 * Because it may be removed or renamed by other already.
5108 * The unlink or rename operation will start journal before PDO lock,
5109 * so to avoid deadlock, here we need to start journal handle before
5110 * related PDO lock also. But because we do not know whether there
5111 * will be something to be repaired before PDO lock, we just start
5112 * journal without conditions.
5114 * We may need to remove the name entry firstly, then insert back.
5115 * One credit is for user quota file update.
5116 * One credit is for group quota file update.
5117 * Two credits are for dirty inode. */
5118 credits = osd_dto_credits_noquota[DTO_INDEX_DELETE] +
5119 osd_dto_credits_noquota[DTO_INDEX_INSERT] + 1 + 1 + 2;
5122 if (dev->od_dirent_journal != 0) {
5123 jh = osd_journal_start_sb(sb, LDISKFS_HT_MISC, credits);
5126 CDEBUG(D_LFSCK, "%.16s: fail to start trans for dirent "
5127 "check_repair, dir = %lu/%u, credits = %d, "
5128 "name = %.*s: rc = %d\n",
5129 devname, dir->i_ino, dir->i_generation, credits,
5130 ent->oied_namelen, ent->oied_name, rc);
5134 if (obj->oo_hl_head != NULL) {
5135 hlock = osd_oti_get(env)->oti_hlock;
5136 /* "0" means exclusive lock for the whole directory.
5137 * We need to prevent others access such name entry
5138 * during the delete + insert. Neither HLOCK_ADD nor
5139 * HLOCK_DEL cannot guarantee the atomicity. */
5140 ldiskfs_htree_lock(hlock, obj->oo_hl_head, dir, 0);
5142 down_write(&obj->oo_ext_idx_sem);
5145 if (obj->oo_hl_head != NULL) {
5146 hlock = osd_oti_get(env)->oti_hlock;
5147 ldiskfs_htree_lock(hlock, obj->oo_hl_head, dir,
5148 LDISKFS_HLOCK_LOOKUP);
5150 down_read(&obj->oo_ext_idx_sem);
5154 bh = osd_ldiskfs_find_entry(dir, &dentry->d_name, &de, NULL, hlock);
5155 /* For dot/dotdot entry, if there is not enough space to hold the
5156 * FID-in-dirent, just keep them there. It only happens when the
5157 * device upgraded from 1.8 or restored from MDT file-level backup.
5158 * For the whole directory, only dot/dotdot entry have no FID-in-dirent
5159 * and needs to get FID from LMA when readdir, it will not affect the
5160 * performance much. */
5161 if ((bh == NULL) || (le32_to_cpu(de->inode) != ent->oied_ino) ||
5162 (dot_dotdot != 0 && !osd_dot_dotdot_has_space(de, dot_dotdot))) {
5163 *attr |= LUDA_IGNORE;
5164 GOTO(out_journal, rc = 0);
5167 osd_id_gen(id, ent->oied_ino, OSD_OII_NOGEN);
5168 inode = osd_iget(info, dev, id);
5169 if (IS_ERR(inode)) {
5170 rc = PTR_ERR(inode);
5171 if (rc == -ENOENT || rc == -ESTALE)
5174 CDEBUG(D_LFSCK, "%.16s: fail to iget for dirent "
5175 "check_repair, dir = %lu/%u, name = %.*s: "
5177 devname, dir->i_ino, dir->i_generation,
5178 ent->oied_namelen, ent->oied_name, rc);
5180 GOTO(out_journal, rc);
5183 rc = osd_get_lma(info, inode, &info->oti_obj_dentry, lma);
5185 LASSERT(!(lma->lma_compat & LMAC_NOT_IN_OI));
5187 if (fid_is_sane(fid)) {
5188 /* FID-in-dirent is valid. */
5189 if (lu_fid_eq(fid, &lma->lma_self_fid))
5190 GOTO(out_inode, rc = 0);
5192 /* Do not repair under dryrun mode. */
5193 if (*attr & LUDA_VERIFY_DRYRUN) {
5194 *attr |= LUDA_REPAIR;
5195 GOTO(out_inode, rc = 0);
5198 if (dev->od_dirent_journal == 0) {
5202 ldiskfs_htree_unlock(hlock);
5204 up_read(&obj->oo_ext_idx_sem);
5205 dev->od_dirent_journal = 1;
5209 *fid = lma->lma_self_fid;
5211 /* Update the FID-in-dirent. */
5212 rc = osd_dirent_update(jh, sb, ent, fid, bh, de);
5214 *attr |= LUDA_REPAIR;
5216 CDEBUG(D_LFSCK, "%.16s: fail to update FID "
5217 "in the dirent, dir = %lu/%u, "
5218 "name = %.*s, "DFID": rc = %d\n",
5219 devname, dir->i_ino, dir->i_generation,
5220 ent->oied_namelen, ent->oied_name,
5223 /* Do not repair under dryrun mode. */
5224 if (*attr & LUDA_VERIFY_DRYRUN) {
5225 *fid = lma->lma_self_fid;
5226 *attr |= LUDA_REPAIR;
5227 GOTO(out_inode, rc = 0);
5230 if (dev->od_dirent_journal == 0) {
5234 ldiskfs_htree_unlock(hlock);
5236 up_read(&obj->oo_ext_idx_sem);
5237 dev->od_dirent_journal = 1;
5241 *fid = lma->lma_self_fid;
5243 /* Append the FID-in-dirent. */
5244 rc = osd_dirent_reinsert(env, jh, dir, inode, ent,
5245 fid, bh, de, hlock);
5247 *attr |= LUDA_REPAIR;
5249 CDEBUG(D_LFSCK, "%.16s: fail to append FID "
5250 "after the dirent, dir = %lu/%u, "
5251 "name = %.*s, "DFID": rc = %d\n",
5252 devname, dir->i_ino, dir->i_generation,
5253 ent->oied_namelen, ent->oied_name,
5256 } else if (rc == -ENODATA) {
5257 /* Do not repair under dryrun mode. */
5258 if (*attr & LUDA_VERIFY_DRYRUN) {
5259 if (fid_is_sane(fid)) {
5260 *attr |= LUDA_REPAIR;
5262 lu_igif_build(fid, inode->i_ino,
5263 inode->i_generation);
5264 *attr |= LUDA_UPGRADE;
5266 GOTO(out_inode, rc = 0);
5269 if (dev->od_dirent_journal == 0) {
5273 ldiskfs_htree_unlock(hlock);
5275 up_read(&obj->oo_ext_idx_sem);
5276 dev->od_dirent_journal = 1;
5281 if (unlikely(fid_is_sane(fid))) {
5282 /* FID-in-dirent exists, but FID-in-LMA is lost.
5283 * Trust the FID-in-dirent, and add FID-in-LMA. */
5284 rc = osd_ea_fid_set(info, inode, fid, 0, 0);
5286 *attr |= LUDA_REPAIR;
5288 CDEBUG(D_LFSCK, "%.16s: fail to set LMA for "
5289 "update dirent, dir = %lu/%u, "
5290 "name = %.*s, "DFID": rc = %d\n",
5291 devname, dir->i_ino, dir->i_generation,
5292 ent->oied_namelen, ent->oied_name,
5295 lu_igif_build(fid, inode->i_ino, inode->i_generation);
5296 /* It is probably IGIF object. Only aappend the
5297 * FID-in-dirent. OI scrub will process FID-in-LMA. */
5298 rc = osd_dirent_reinsert(env, jh, dir, inode, ent,
5299 fid, bh, de, hlock);
5301 *attr |= LUDA_UPGRADE;
5303 CDEBUG(D_LFSCK, "%.16s: fail to append IGIF "
5304 "after the dirent, dir = %lu/%u, "
5305 "name = %.*s, "DFID": rc = %d\n",
5306 devname, dir->i_ino, dir->i_generation,
5307 ent->oied_namelen, ent->oied_name,
5312 GOTO(out_inode, rc);
5319 if (hlock != NULL) {
5320 ldiskfs_htree_unlock(hlock);
5322 if (dev->od_dirent_journal != 0)
5323 up_write(&obj->oo_ext_idx_sem);
5325 up_read(&obj->oo_ext_idx_sem);
5328 ldiskfs_journal_stop(jh);
5329 if (rc >= 0 && !dirty)
5330 dev->od_dirent_journal = 0;
5335 * Returns the value at current position from iterator's in memory structure.
5337 * \param di struct osd_it_ea, iterator's in memory structure
5338 * \param attr attr requested for dirent.
5339 * \param lde lustre dirent
5341 * \retval 0 no error and \param lde has correct lustre dirent.
5342 * \retval -ve on error
5344 static inline int osd_it_ea_rec(const struct lu_env *env,
5345 const struct dt_it *di,
5346 struct dt_rec *dtrec, __u32 attr)
5348 struct osd_it_ea *it = (struct osd_it_ea *)di;
5349 struct osd_object *obj = it->oie_obj;
5350 struct osd_device *dev = osd_obj2dev(obj);
5351 struct osd_thread_info *oti = osd_oti_get(env);
5352 struct osd_inode_id *id = &oti->oti_id;
5353 struct lu_fid *fid = &it->oie_dirent->oied_fid;
5354 struct lu_dirent *lde = (struct lu_dirent *)dtrec;
5355 __u32 ino = it->oie_dirent->oied_ino;
5359 LASSERT(obj->oo_inode != dev->od_mdt_map->omm_remote_parent->d_inode);
5361 if (attr & LUDA_VERIFY) {
5362 if (unlikely(ino == osd_remote_parent_ino(dev))) {
5363 attr |= LUDA_IGNORE;
5364 /* If the parent is on remote MDT, and there
5365 * is no FID-in-dirent, then we have to get
5366 * the parent FID from the linkEA. */
5367 if (!fid_is_sane(fid) &&
5368 it->oie_dirent->oied_namelen == 2 &&
5369 it->oie_dirent->oied_name[0] == '.' &&
5370 it->oie_dirent->oied_name[1] == '.')
5371 osd_get_pfid_from_linkea(env, obj, fid);
5373 rc = osd_dirent_check_repair(env, obj, it, fid, id,
5377 attr &= ~LU_DIRENT_ATTRS_MASK;
5378 if (!fid_is_sane(fid)) {
5379 bool is_dotdot = false;
5380 if (it->oie_dirent->oied_namelen == 2 &&
5381 it->oie_dirent->oied_name[0] == '.' &&
5382 it->oie_dirent->oied_name[1] == '.')
5384 /* If the parent is on remote MDT, and there
5385 * is no FID-in-dirent, then we have to get
5386 * the parent FID from the linkEA. */
5387 if (ino == osd_remote_parent_ino(dev) && is_dotdot) {
5388 rc = osd_get_pfid_from_linkea(env, obj, fid);
5390 if (is_dotdot == false &&
5391 OBD_FAIL_CHECK(OBD_FAIL_FID_LOOKUP))
5394 rc = osd_ea_fid_get(env, obj, ino, fid, id);
5397 osd_id_gen(id, ino, OSD_OII_NOGEN);
5401 /* Pack the entry anyway, at least the offset is right. */
5402 osd_it_pack_dirent(lde, fid, it->oie_dirent->oied_off,
5403 it->oie_dirent->oied_name,
5404 it->oie_dirent->oied_namelen,
5405 it->oie_dirent->oied_type, attr);
5410 if (osd_remote_fid(env, dev, fid))
5413 if (likely(!(attr & LUDA_IGNORE) && rc == 0))
5414 osd_add_oi_cache(oti, dev, id, fid);
5416 RETURN(rc > 0 ? 0 : rc);
5420 * Returns the record size size at current position.
5422 * This function will return record(lu_dirent) size in bytes.
5424 * \param[in] env execution environment
5425 * \param[in] di iterator's in memory structure
5426 * \param[in] attr attribute of the entry, only requires LUDA_TYPE to
5427 * calculate the lu_dirent size.
5429 * \retval record size(in bytes & in memory) of the current lu_dirent
5432 static int osd_it_ea_rec_size(const struct lu_env *env, const struct dt_it *di,
5435 struct osd_it_ea *it = (struct osd_it_ea *)di;
5437 return lu_dirent_calc_size(it->oie_dirent->oied_namelen, attr);
5441 * Returns a cookie for current position of the iterator head, so that
5442 * user can use this cookie to load/start the iterator next time.
5444 * \param di iterator's in memory structure
5446 * \retval cookie for current position, on success
5448 static __u64 osd_it_ea_store(const struct lu_env *env, const struct dt_it *di)
5450 struct osd_it_ea *it = (struct osd_it_ea *)di;
5452 return it->oie_dirent->oied_off;
5456 * It calls osd_ldiskfs_it_fill() which will use ->readdir()
5457 * to load a directory entry at a time and stored it i inn,
5458 * in iterator's in-memory data structure.
5460 * \param di struct osd_it_ea, iterator's in memory structure
5462 * \retval +ve on success
5463 * \retval -ve on error
5465 static int osd_it_ea_load(const struct lu_env *env,
5466 const struct dt_it *di, __u64 hash)
5468 struct osd_it_ea *it = (struct osd_it_ea *)di;
5472 it->oie_file.f_pos = hash;
5474 rc = osd_ldiskfs_it_fill(env, di);
5485 * Index lookup function for interoperability mode (b11826).
5487 * \param key, key i.e. file name to be searched
5489 * \retval +ve, on success
5490 * \retval -ve, on error
5492 static int osd_index_ea_lookup(const struct lu_env *env, struct dt_object *dt,
5493 struct dt_rec *rec, const struct dt_key *key)
5495 struct osd_object *obj = osd_dt_obj(dt);
5500 LASSERT(S_ISDIR(obj->oo_inode->i_mode));
5501 LINVRNT(osd_invariant(obj));
5503 rc = osd_ea_lookup_rec(env, obj, rec, key);
5510 * Index and Iterator operations for interoperability
5511 * mode (i.e. to run 2.0 mds on 1.8 disk) (b11826)
5513 static const struct dt_index_operations osd_index_ea_ops = {
5514 .dio_lookup = osd_index_ea_lookup,
5515 .dio_declare_insert = osd_index_declare_ea_insert,
5516 .dio_insert = osd_index_ea_insert,
5517 .dio_declare_delete = osd_index_declare_ea_delete,
5518 .dio_delete = osd_index_ea_delete,
5520 .init = osd_it_ea_init,
5521 .fini = osd_it_ea_fini,
5522 .get = osd_it_ea_get,
5523 .put = osd_it_ea_put,
5524 .next = osd_it_ea_next,
5525 .key = osd_it_ea_key,
5526 .key_size = osd_it_ea_key_size,
5527 .rec = osd_it_ea_rec,
5528 .rec_size = osd_it_ea_rec_size,
5529 .store = osd_it_ea_store,
5530 .load = osd_it_ea_load
5534 static void *osd_key_init(const struct lu_context *ctx,
5535 struct lu_context_key *key)
5537 struct osd_thread_info *info;
5539 OBD_ALLOC_PTR(info);
5541 return ERR_PTR(-ENOMEM);
5543 OBD_ALLOC(info->oti_it_ea_buf, OSD_IT_EA_BUFSIZE);
5544 if (info->oti_it_ea_buf == NULL)
5547 info->oti_env = container_of(ctx, struct lu_env, le_ctx);
5549 info->oti_hlock = ldiskfs_htree_lock_alloc();
5550 if (info->oti_hlock == NULL)
5556 OBD_FREE(info->oti_it_ea_buf, OSD_IT_EA_BUFSIZE);
5559 return ERR_PTR(-ENOMEM);
5562 static void osd_key_fini(const struct lu_context *ctx,
5563 struct lu_context_key *key, void* data)
5565 struct osd_thread_info *info = data;
5567 if (info->oti_inode != NULL)
5568 OBD_FREE_PTR(info->oti_inode);
5569 if (info->oti_hlock != NULL)
5570 ldiskfs_htree_lock_free(info->oti_hlock);
5571 OBD_FREE(info->oti_it_ea_buf, OSD_IT_EA_BUFSIZE);
5572 lu_buf_free(&info->oti_iobuf.dr_pg_buf);
5573 lu_buf_free(&info->oti_iobuf.dr_bl_buf);
5574 lu_buf_free(&info->oti_big_buf);
5578 static void osd_key_exit(const struct lu_context *ctx,
5579 struct lu_context_key *key, void *data)
5581 struct osd_thread_info *info = data;
5583 LASSERT(info->oti_r_locks == 0);
5584 LASSERT(info->oti_w_locks == 0);
5585 LASSERT(info->oti_txns == 0);
5588 /* type constructor/destructor: osd_type_init, osd_type_fini */
5589 LU_TYPE_INIT_FINI(osd, &osd_key);
5591 struct lu_context_key osd_key = {
5592 .lct_tags = LCT_DT_THREAD | LCT_MD_THREAD | LCT_MG_THREAD | LCT_LOCAL,
5593 .lct_init = osd_key_init,
5594 .lct_fini = osd_key_fini,
5595 .lct_exit = osd_key_exit
5599 static int osd_device_init(const struct lu_env *env, struct lu_device *d,
5600 const char *name, struct lu_device *next)
5602 struct osd_device *osd = osd_dev(d);
5604 if (strlcpy(osd->od_svname, name, sizeof(osd->od_svname))
5605 >= sizeof(osd->od_svname))
5607 return osd_procfs_init(osd, name);
5610 static int osd_fid_init(const struct lu_env *env, struct osd_device *osd)
5612 struct seq_server_site *ss = osd_seq_site(osd);
5616 if (osd->od_is_ost || osd->od_cl_seq != NULL)
5619 if (unlikely(ss == NULL))
5622 OBD_ALLOC_PTR(osd->od_cl_seq);
5623 if (osd->od_cl_seq == NULL)
5626 rc = seq_client_init(osd->od_cl_seq, NULL, LUSTRE_SEQ_METADATA,
5627 osd->od_svname, ss->ss_server_seq);
5629 OBD_FREE_PTR(osd->od_cl_seq);
5630 osd->od_cl_seq = NULL;
5634 if (ss->ss_node_id == 0) {
5635 /* If the OSD on the sequence controller(MDT0), then allocate
5636 * sequence here, otherwise allocate sequence after connected
5637 * to MDT0 (see mdt_register_lwp_callback()). */
5638 rc = seq_server_alloc_meta(osd->od_cl_seq->lcs_srv,
5639 &osd->od_cl_seq->lcs_space, env);
5645 static void osd_fid_fini(const struct lu_env *env, struct osd_device *osd)
5647 if (osd->od_cl_seq == NULL)
5650 seq_client_fini(osd->od_cl_seq);
5651 OBD_FREE_PTR(osd->od_cl_seq);
5652 osd->od_cl_seq = NULL;
5655 static int osd_shutdown(const struct lu_env *env, struct osd_device *o)
5659 /* shutdown quota slave instance associated with the device */
5660 if (o->od_quota_slave != NULL) {
5661 qsd_fini(env, o->od_quota_slave);
5662 o->od_quota_slave = NULL;
5665 osd_fid_fini(env, o);
5670 static void osd_umount(const struct lu_env *env, struct osd_device *o)
5674 if (o->od_mnt != NULL) {
5675 shrink_dcache_sb(osd_sb(o));
5676 osd_sync(env, &o->od_dt_dev);
5685 static int osd_mount(const struct lu_env *env,
5686 struct osd_device *o, struct lustre_cfg *cfg)
5688 const char *name = lustre_cfg_string(cfg, 0);
5689 const char *dev = lustre_cfg_string(cfg, 1);
5691 unsigned long page, s_flags, lmd_flags = 0;
5692 struct page *__page;
5693 struct file_system_type *type;
5694 char *options = NULL;
5696 struct osd_thread_info *info = osd_oti_get(env);
5697 struct lu_fid *fid = &info->oti_fid;
5698 struct inode *inode;
5699 int rc = 0, force_over_128tb = 0;
5702 if (o->od_mnt != NULL)
5705 if (strlen(dev) >= sizeof(o->od_mntdev))
5707 strcpy(o->od_mntdev, dev);
5709 str = lustre_cfg_string(cfg, 2);
5710 s_flags = simple_strtoul(str, NULL, 0);
5711 str = strstr(str, ":");
5713 lmd_flags = simple_strtoul(str + 1, NULL, 0);
5714 opts = lustre_cfg_string(cfg, 3);
5716 if (opts == NULL || strstr(opts, "bigendian_extents") == NULL) {
5717 CERROR("%s: device %s extents feature is not guaranteed to "
5718 "work on big-endian systems. Use \"bigendian_extents\" "
5719 "mount option to override.\n", name, dev);
5723 if (opts != NULL && strstr(opts, "force_over_128tb") != NULL)
5724 force_over_128tb = 1;
5726 __page = alloc_page(GFP_IOFS);
5728 GOTO(out, rc = -ENOMEM);
5729 page = (unsigned long)page_address(__page);
5730 options = (char *)page;
5733 /* strip out the options for back compatiblity */
5734 static char *sout[] = {
5741 /* strip out option we processed in osd */
5742 "bigendian_extents",
5746 strcat(options, opts);
5747 for (rc = 0, str = options; sout[rc]; ) {
5748 char *op = strstr(str, sout[rc]);
5754 if (op == options || *(op - 1) == ',') {
5755 str = op + strlen(sout[rc]);
5756 if (*str == ',' || *str == '\0') {
5757 *str == ',' ? str++ : str;
5758 memmove(op, str, strlen(str) + 1);
5761 for (str = op; *str != ',' && *str != '\0'; str++)
5765 strncat(options, "user_xattr,acl", 14);
5768 /* Glom up mount options */
5769 if (*options != '\0')
5770 strcat(options, ",");
5771 strlcat(options, "no_mbcache", PAGE_CACHE_SIZE);
5773 type = get_fs_type("ldiskfs");
5775 CERROR("%s: cannot find ldiskfs module\n", name);
5776 GOTO(out, rc = -ENODEV);
5779 o->od_mnt = vfs_kern_mount(type, s_flags, dev, options);
5780 module_put(type->owner);
5782 if (IS_ERR(o->od_mnt)) {
5783 rc = PTR_ERR(o->od_mnt);
5785 CERROR("%s: can't mount %s: %d\n", name, dev, rc);
5789 if (ldiskfs_blocks_count(LDISKFS_SB(osd_sb(o))->s_es) > (8ULL << 32) &&
5790 force_over_128tb == 0) {
5791 CERROR("%s: device %s LDISKFS does not support filesystems "
5792 "greater than 128TB and can cause data corruption. "
5793 "Use \"force_over_128tb\" mount option to override.\n",
5795 GOTO(out, rc = -EINVAL);
5798 #ifdef HAVE_DEV_SET_RDONLY
5799 if (dev_check_rdonly(o->od_mnt->mnt_sb->s_bdev)) {
5800 CERROR("%s: underlying device %s is marked as read-only. "
5801 "Setup failed\n", name, dev);
5802 GOTO(out_mnt, rc = -EROFS);
5806 if (!LDISKFS_HAS_COMPAT_FEATURE(o->od_mnt->mnt_sb,
5807 LDISKFS_FEATURE_COMPAT_HAS_JOURNAL)) {
5808 CERROR("%s: device %s is mounted w/o journal\n", name, dev);
5809 GOTO(out_mnt, rc = -EINVAL);
5812 #ifdef LDISKFS_MOUNT_DIRDATA
5813 if (LDISKFS_HAS_INCOMPAT_FEATURE(o->od_mnt->mnt_sb,
5814 LDISKFS_FEATURE_INCOMPAT_DIRDATA))
5815 LDISKFS_SB(osd_sb(o))->s_mount_opt |= LDISKFS_MOUNT_DIRDATA;
5816 else if (!o->od_is_ost)
5817 CWARN("%s: device %s was upgraded from Lustre-1.x without "
5818 "enabling the dirdata feature. If you do not want to "
5819 "downgrade to Lustre-1.x again, you can enable it via "
5820 "'tune2fs -O dirdata device'\n", name, dev);
5822 inode = osd_sb(o)->s_root->d_inode;
5823 lu_local_obj_fid(fid, OSD_FS_ROOT_OID);
5824 rc = osd_ea_fid_set(info, inode, fid, LMAC_NOT_IN_OI, 0);
5826 CERROR("%s: failed to set lma on %s root inode\n", name, dev);
5830 if (lmd_flags & LMD_FLG_NOSCRUB)
5841 __free_page(__page);
5846 static struct lu_device *osd_device_fini(const struct lu_env *env,
5847 struct lu_device *d)
5849 struct osd_device *o = osd_dev(d);
5852 osd_shutdown(env, o);
5854 osd_scrub_cleanup(env, o);
5855 osd_obj_map_fini(o);
5861 static int osd_device_init0(const struct lu_env *env,
5862 struct osd_device *o,
5863 struct lustre_cfg *cfg)
5865 struct lu_device *l = osd2lu_dev(o);
5866 struct osd_thread_info *info;
5870 /* if the module was re-loaded, env can loose its keys */
5871 rc = lu_env_refill((struct lu_env *) env);
5874 info = osd_oti_get(env);
5877 l->ld_ops = &osd_lu_ops;
5878 o->od_dt_dev.dd_ops = &osd_dt_ops;
5880 spin_lock_init(&o->od_osfs_lock);
5881 mutex_init(&o->od_otable_mutex);
5883 o->od_read_cache = 1;
5884 o->od_writethrough_cache = 1;
5885 o->od_readcache_max_filesize = OSD_MAX_CACHE_SIZE;
5887 cplen = strlcpy(o->od_svname, lustre_cfg_string(cfg, 4),
5888 sizeof(o->od_svname));
5889 if (cplen >= sizeof(o->od_svname)) {
5894 o->od_index = -1; /* -1 means index is invalid */
5895 rc = server_name2index(o->od_svname, &o->od_index, NULL);
5896 if (rc == LDD_F_SV_TYPE_OST)
5899 o->od_full_scrub_ratio = OFSR_DEFAULT;
5900 o->od_full_scrub_threshold_rate = FULL_SCRUB_THRESHOLD_RATE_DEFAULT;
5901 rc = osd_mount(env, o, cfg);
5905 rc = osd_obj_map_init(env, o);
5909 rc = lu_site_init(&o->od_site, l);
5911 GOTO(out_compat, rc);
5912 o->od_site.ls_bottom_dev = l;
5914 rc = lu_site_init_finish(&o->od_site);
5918 INIT_LIST_HEAD(&o->od_ios_list);
5919 /* setup scrub, including OI files initialization */
5920 rc = osd_scrub_setup(env, o);
5924 rc = osd_procfs_init(o, o->od_svname);
5926 CERROR("%s: can't initialize procfs: rc = %d\n",
5928 GOTO(out_scrub, rc);
5931 LASSERT(l->ld_site->ls_linkage.next != NULL);
5932 LASSERT(l->ld_site->ls_linkage.prev != NULL);
5934 /* initialize quota slave instance */
5935 o->od_quota_slave = qsd_init(env, o->od_svname, &o->od_dt_dev,
5937 if (IS_ERR(o->od_quota_slave)) {
5938 rc = PTR_ERR(o->od_quota_slave);
5939 o->od_quota_slave = NULL;
5940 GOTO(out_procfs, rc);
5948 osd_scrub_cleanup(env, o);
5950 lu_site_fini(&o->od_site);
5952 osd_obj_map_fini(o);
5959 static struct lu_device *osd_device_alloc(const struct lu_env *env,
5960 struct lu_device_type *t,
5961 struct lustre_cfg *cfg)
5963 struct osd_device *o;
5968 return ERR_PTR(-ENOMEM);
5970 rc = dt_device_init(&o->od_dt_dev, t);
5972 /* Because the ctx might be revived in dt_device_init,
5973 * refill the env here */
5974 lu_env_refill((struct lu_env *)env);
5975 rc = osd_device_init0(env, o, cfg);
5977 dt_device_fini(&o->od_dt_dev);
5980 if (unlikely(rc != 0))
5983 return rc == 0 ? osd2lu_dev(o) : ERR_PTR(rc);
5986 static struct lu_device *osd_device_free(const struct lu_env *env,
5987 struct lu_device *d)
5989 struct osd_device *o = osd_dev(d);
5992 /* XXX: make osd top device in order to release reference */
5993 d->ld_site->ls_top_dev = d;
5994 lu_site_purge(env, d->ld_site, -1);
5995 if (!cfs_hash_is_empty(d->ld_site->ls_obj_hash)) {
5996 LIBCFS_DEBUG_MSG_DATA_DECL(msgdata, D_ERROR, NULL);
5997 lu_site_print(env, d->ld_site, &msgdata, lu_cdebug_printer);
5999 lu_site_fini(&o->od_site);
6000 dt_device_fini(&o->od_dt_dev);
6005 static int osd_process_config(const struct lu_env *env,
6006 struct lu_device *d, struct lustre_cfg *cfg)
6008 struct osd_device *o = osd_dev(d);
6012 switch (cfg->lcfg_command) {
6014 rc = osd_mount(env, o, cfg);
6017 lu_dev_del_linkage(d->ld_site, d);
6018 rc = osd_shutdown(env, o);
6021 LASSERT(&o->od_dt_dev);
6022 rc = class_process_proc_param(PARAM_OSD, lprocfs_osd_obd_vars,
6023 cfg, &o->od_dt_dev);
6024 if (rc > 0 || rc == -ENOSYS)
6025 rc = class_process_proc_param(PARAM_OST,
6026 lprocfs_osd_obd_vars,
6027 cfg, &o->od_dt_dev);
6036 static int osd_recovery_complete(const struct lu_env *env,
6037 struct lu_device *d)
6039 struct osd_device *osd = osd_dev(d);
6043 if (osd->od_quota_slave == NULL)
6046 /* start qsd instance on recovery completion, this notifies the quota
6047 * slave code that we are about to process new requests now */
6048 rc = qsd_start(env, osd->od_quota_slave);
6053 * we use exports to track all osd users
6055 static int osd_obd_connect(const struct lu_env *env, struct obd_export **exp,
6056 struct obd_device *obd, struct obd_uuid *cluuid,
6057 struct obd_connect_data *data, void *localdata)
6059 struct osd_device *osd = osd_dev(obd->obd_lu_dev);
6060 struct lustre_handle conn;
6064 CDEBUG(D_CONFIG, "connect #%d\n", osd->od_connects);
6066 rc = class_connect(&conn, obd, cluuid);
6070 *exp = class_conn2export(&conn);
6072 spin_lock(&osd->od_osfs_lock);
6074 spin_unlock(&osd->od_osfs_lock);
6080 * once last export (we don't count self-export) disappeared
6081 * osd can be released
6083 static int osd_obd_disconnect(struct obd_export *exp)
6085 struct obd_device *obd = exp->exp_obd;
6086 struct osd_device *osd = osd_dev(obd->obd_lu_dev);
6087 int rc, release = 0;
6090 /* Only disconnect the underlying layers on the final disconnect. */
6091 spin_lock(&osd->od_osfs_lock);
6093 if (osd->od_connects == 0)
6095 spin_unlock(&osd->od_osfs_lock);
6097 rc = class_disconnect(exp); /* bz 9811 */
6099 if (rc == 0 && release)
6100 class_manual_cleanup(obd);
6104 static int osd_prepare(const struct lu_env *env, struct lu_device *pdev,
6105 struct lu_device *dev)
6107 struct osd_device *osd = osd_dev(dev);
6108 struct lr_server_data *lsd =
6109 &osd->od_dt_dev.dd_lu_dev.ld_site->ls_tgt->lut_lsd;
6113 if (osd->od_quota_slave != NULL) {
6114 /* set up quota slave objects */
6115 result = qsd_prepare(env, osd->od_quota_slave);
6120 if (lsd->lsd_feature_incompat & OBD_COMPAT_OST) {
6121 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 52, 0)
6122 if (lsd->lsd_feature_rocompat & OBD_ROCOMPAT_IDX_IN_IDIF) {
6123 osd->od_index_in_idif = 1;
6125 osd->od_index_in_idif = 0;
6126 result = osd_register_proc_index_in_idif(osd);
6131 osd->od_index_in_idif = 1;
6135 result = osd_fid_init(env, osd);
6140 static int osd_fid_alloc(const struct lu_env *env, struct obd_export *exp,
6141 struct lu_fid *fid, struct md_op_data *op_data)
6143 struct osd_device *osd = osd_dev(exp->exp_obd->obd_lu_dev);
6145 return seq_client_alloc_fid(env, osd->od_cl_seq, fid);
6148 static const struct lu_object_operations osd_lu_obj_ops = {
6149 .loo_object_init = osd_object_init,
6150 .loo_object_delete = osd_object_delete,
6151 .loo_object_release = osd_object_release,
6152 .loo_object_free = osd_object_free,
6153 .loo_object_print = osd_object_print,
6154 .loo_object_invariant = osd_object_invariant
6157 const struct lu_device_operations osd_lu_ops = {
6158 .ldo_object_alloc = osd_object_alloc,
6159 .ldo_process_config = osd_process_config,
6160 .ldo_recovery_complete = osd_recovery_complete,
6161 .ldo_prepare = osd_prepare,
6164 static const struct lu_device_type_operations osd_device_type_ops = {
6165 .ldto_init = osd_type_init,
6166 .ldto_fini = osd_type_fini,
6168 .ldto_start = osd_type_start,
6169 .ldto_stop = osd_type_stop,
6171 .ldto_device_alloc = osd_device_alloc,
6172 .ldto_device_free = osd_device_free,
6174 .ldto_device_init = osd_device_init,
6175 .ldto_device_fini = osd_device_fini
6178 static struct lu_device_type osd_device_type = {
6179 .ldt_tags = LU_DEVICE_DT,
6180 .ldt_name = LUSTRE_OSD_LDISKFS_NAME,
6181 .ldt_ops = &osd_device_type_ops,
6182 .ldt_ctx_tags = LCT_LOCAL,
6185 static int osd_health_check(const struct lu_env *env, struct obd_device *obd)
6187 struct osd_device *osd = osd_dev(obd->obd_lu_dev);
6188 struct super_block *sb = osd_sb(osd);
6190 return (osd->od_mnt == NULL || sb->s_flags & MS_RDONLY);
6194 * lprocfs legacy support.
6196 static struct obd_ops osd_obd_device_ops = {
6197 .o_owner = THIS_MODULE,
6198 .o_connect = osd_obd_connect,
6199 .o_disconnect = osd_obd_disconnect,
6200 .o_fid_alloc = osd_fid_alloc,
6201 .o_health_check = osd_health_check,
6204 static int __init osd_mod_init(void)
6208 #if !defined(CONFIG_DEBUG_MUTEXES) && !defined(CONFIG_DEBUG_SPINLOCK)
6209 /* please, try to keep osd_thread_info smaller than a page */
6210 CLASSERT(sizeof(struct osd_thread_info) <= PAGE_SIZE);
6215 rc = lu_kmem_init(ldiskfs_caches);
6219 rc = class_register_type(&osd_obd_device_ops, NULL, true,
6220 lprocfs_osd_module_vars,
6221 LUSTRE_OSD_LDISKFS_NAME, &osd_device_type);
6223 lu_kmem_fini(ldiskfs_caches);
6227 static void __exit osd_mod_exit(void)
6229 class_unregister_type(LUSTRE_OSD_LDISKFS_NAME);
6230 lu_kmem_fini(ldiskfs_caches);
6233 MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
6234 MODULE_DESCRIPTION("Lustre Object Storage Device ("LUSTRE_OSD_LDISKFS_NAME")");
6235 MODULE_VERSION(LUSTRE_VERSION_STRING);
6236 MODULE_LICENSE("GPL");
6238 module_init(osd_mod_init);
6239 module_exit(osd_mod_exit);