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, 2013, 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_MDS
46 #include <linux/module.h>
48 /* LUSTRE_VERSION_CODE */
49 #include <lustre_ver.h>
50 /* prerequisite for linux/xattr.h */
51 #include <linux/types.h>
52 /* prerequisite for linux/xattr.h */
54 /* XATTR_{REPLACE,CREATE} */
55 #include <linux/xattr.h>
58 * struct OBD_{ALLOC,FREE}*()
61 #include <obd_support.h>
62 /* struct ptlrpc_thread */
63 #include <lustre_net.h>
64 #include <lustre_fid.h>
66 #include "osd_internal.h"
67 #include "osd_dynlocks.h"
69 /* llo_* api support */
70 #include <md_object.h>
71 #include <lustre_quota.h>
74 CFS_MODULE_PARM(ldiskfs_pdo, "i", int, 0644,
75 "ldiskfs with parallel directory operations");
77 int ldiskfs_track_declares_assert;
78 CFS_MODULE_PARM(ldiskfs_track_declares_assert, "i", int, 0644,
79 "LBUG during tracking of declares");
81 /* Slab to allocate dynlocks */
82 struct kmem_cache *dynlock_cachep;
84 static struct lu_kmem_descr ldiskfs_caches[] = {
86 .ckd_cache = &dynlock_cachep,
87 .ckd_name = "dynlock_cache",
88 .ckd_size = sizeof(struct dynlock_handle)
95 static const char dot[] = ".";
96 static const char dotdot[] = "..";
97 static const char remote_obj_dir[] = "REM_OBJ_DIR";
99 static const struct lu_object_operations osd_lu_obj_ops;
100 static const struct dt_object_operations osd_obj_ops;
101 static const struct dt_object_operations osd_obj_ea_ops;
102 static const struct dt_object_operations osd_obj_otable_it_ops;
103 static const struct dt_index_operations osd_index_iam_ops;
104 static const struct dt_index_operations osd_index_ea_ops;
106 int osd_trans_declare_op2rb[] = {
107 [OSD_OT_ATTR_SET] = OSD_OT_ATTR_SET,
108 [OSD_OT_PUNCH] = OSD_OT_MAX,
109 [OSD_OT_XATTR_SET] = OSD_OT_XATTR_SET,
110 [OSD_OT_CREATE] = OSD_OT_DESTROY,
111 [OSD_OT_DESTROY] = OSD_OT_CREATE,
112 [OSD_OT_REF_ADD] = OSD_OT_REF_DEL,
113 [OSD_OT_REF_DEL] = OSD_OT_REF_ADD,
114 [OSD_OT_WRITE] = OSD_OT_WRITE,
115 [OSD_OT_INSERT] = OSD_OT_DELETE,
116 [OSD_OT_DELETE] = OSD_OT_INSERT,
117 [OSD_OT_UPDATE] = OSD_OT_MAX,
118 [OSD_OT_QUOTA] = OSD_OT_MAX,
121 static int osd_has_index(const struct osd_object *obj)
123 return obj->oo_dt.do_index_ops != NULL;
126 static int osd_object_invariant(const struct lu_object *l)
128 return osd_invariant(osd_obj(l));
132 * Concurrency: doesn't matter
134 static int osd_read_locked(const struct lu_env *env, struct osd_object *o)
136 return osd_oti_get(env)->oti_r_locks > 0;
140 * Concurrency: doesn't matter
142 static int osd_write_locked(const struct lu_env *env, struct osd_object *o)
144 struct osd_thread_info *oti = osd_oti_get(env);
145 return oti->oti_w_locks > 0 && o->oo_owner == env;
149 * Concurrency: doesn't access mutable data
151 static int osd_root_get(const struct lu_env *env,
152 struct dt_device *dev, struct lu_fid *f)
154 lu_local_obj_fid(f, OSD_FS_ROOT_OID);
159 * OSD object methods.
163 * Concurrency: no concurrent access is possible that early in object
166 static struct lu_object *osd_object_alloc(const struct lu_env *env,
167 const struct lu_object_header *hdr,
170 struct osd_object *mo;
176 l = &mo->oo_dt.do_lu;
177 dt_object_init(&mo->oo_dt, NULL, d);
178 mo->oo_dt.do_ops = &osd_obj_ea_ops;
179 l->lo_ops = &osd_lu_obj_ops;
180 init_rwsem(&mo->oo_sem);
181 init_rwsem(&mo->oo_ext_idx_sem);
182 spin_lock_init(&mo->oo_guard);
189 int osd_get_lma(struct osd_thread_info *info, struct inode *inode,
190 struct dentry *dentry, struct lustre_mdt_attrs *lma)
194 CLASSERT(LMA_OLD_SIZE >= sizeof(*lma));
195 rc = __osd_xattr_get(inode, dentry, XATTR_NAME_LMA,
196 info->oti_mdt_attrs_old, LMA_OLD_SIZE);
198 if ((void *)lma != (void *)info->oti_mdt_attrs_old)
199 memcpy(lma, info->oti_mdt_attrs_old, sizeof(*lma));
201 lustre_lma_swab(lma);
202 /* Check LMA compatibility */
203 if (lma->lma_incompat & ~LMA_INCOMPAT_SUPP) {
204 CWARN("%.16s: unsupported incompat LMA feature(s) %#x "
205 "for fid = "DFID", ino = %lu\n",
206 LDISKFS_SB(inode->i_sb)->s_es->s_volume_name,
207 lma->lma_incompat & ~LMA_INCOMPAT_SUPP,
208 PFID(&lma->lma_self_fid), inode->i_ino);
211 } else if (rc == 0) {
219 * retrieve object from backend ext fs.
221 struct inode *osd_iget(struct osd_thread_info *info, struct osd_device *dev,
222 struct osd_inode_id *id)
224 struct inode *inode = NULL;
226 inode = ldiskfs_iget(osd_sb(dev), id->oii_ino);
228 CDEBUG(D_INODE, "no inode: ino = %u, rc = %ld\n",
229 id->oii_ino, PTR_ERR(inode));
230 } else if (id->oii_gen != OSD_OII_NOGEN &&
231 inode->i_generation != id->oii_gen) {
232 CDEBUG(D_INODE, "unmatched inode: ino = %u, gen0 = %u, "
234 id->oii_ino, id->oii_gen, inode->i_generation);
236 inode = ERR_PTR(-ESTALE);
237 } else if (inode->i_nlink == 0) {
238 /* due to parallel readdir and unlink,
239 * we can have dead inode here. */
240 CDEBUG(D_INODE, "stale inode: ino = %u\n", id->oii_ino);
241 make_bad_inode(inode);
243 inode = ERR_PTR(-ESTALE);
244 } else if (is_bad_inode(inode)) {
245 CWARN("%.16s: bad inode: ino = %u\n",
246 LDISKFS_SB(osd_sb(dev))->s_es->s_volume_name, id->oii_ino);
248 inode = ERR_PTR(-ENOENT);
250 if (id->oii_gen == OSD_OII_NOGEN)
251 osd_id_gen(id, inode->i_ino, inode->i_generation);
253 /* Do not update file c/mtime in ldiskfs.
254 * NB: we don't have any lock to protect this because we don't
255 * have reference on osd_object now, but contention with
256 * another lookup + attr_set can't happen in the tiny window
257 * between if (...) and set S_NOCMTIME. */
258 if (!(inode->i_flags & S_NOCMTIME))
259 inode->i_flags |= S_NOCMTIME;
264 static struct inode *
265 osd_iget_fid(struct osd_thread_info *info, struct osd_device *dev,
266 struct osd_inode_id *id, struct lu_fid *fid)
268 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
272 inode = osd_iget(info, dev, id);
276 rc = osd_get_lma(info, inode, &info->oti_obj_dentry, lma);
278 *fid = lma->lma_self_fid;
279 } else if (rc == -ENODATA) {
280 if (unlikely(inode == osd_sb(dev)->s_root->d_inode))
281 lu_local_obj_fid(fid, OSD_FS_ROOT_OID);
283 lu_igif_build(fid, inode->i_ino, inode->i_generation);
292 * \retval +v: new filter_fid, does not contain self-fid
293 * \retval 0: filter_fid_old, contains self-fid
294 * \retval -v: other failure cases
296 int osd_get_idif(struct osd_thread_info *info, struct inode *inode,
297 struct dentry *dentry, struct lu_fid *fid)
299 struct filter_fid_old *ff = &info->oti_ff;
300 struct ost_id *ostid = &info->oti_ostid;
303 rc = __osd_xattr_get(inode, dentry, XATTR_NAME_FID, ff, sizeof(*ff));
304 if (rc == sizeof(*ff)) {
306 ostid_set_seq(ostid, le64_to_cpu(ff->ff_seq));
307 ostid_set_id(ostid, le64_to_cpu(ff->ff_objid));
308 /* XXX: should use real OST index in the future. LU-3569 */
309 ostid_to_fid(fid, ostid, 0);
310 } else if (rc == sizeof(struct filter_fid)) {
312 } else if (rc >= 0) {
319 static int osd_check_lma(const struct lu_env *env, struct osd_object *obj)
321 struct osd_thread_info *info = osd_oti_get(env);
322 struct osd_device *osd = osd_obj2dev(obj);
323 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
324 struct inode *inode = obj->oo_inode;
325 struct dentry *dentry = &info->oti_obj_dentry;
326 struct lu_fid *fid = NULL;
330 if (OBD_FAIL_CHECK(OBD_FAIL_OSD_COMPAT_INVALID_ENTRY))
333 CLASSERT(LMA_OLD_SIZE >= sizeof(*lma));
334 rc = __osd_xattr_get(inode, dentry, XATTR_NAME_LMA,
335 info->oti_mdt_attrs_old, LMA_OLD_SIZE);
336 if (rc == -ENODATA && !fid_is_igif(lu_object_fid(&obj->oo_dt.do_lu)) &&
338 fid = &lma->lma_self_fid;
339 rc = osd_get_idif(info, inode, dentry, fid);
340 if ((rc > 0) || (rc == -ENODATA && osd->od_lma_self_repair)) {
343 /* For the given OST-object, if it has neither LMA nor
344 * FID in XATTR_NAME_FID, then the given FID (which is
345 * contained in the @obj, from client RPC for locating
346 * the OST-object) is trusted. We use it to generate
349 LASSERT(current->journal_info == NULL);
351 jh = osd_journal_start_sb(osd_sb(osd), LDISKFS_HT_MISC,
352 osd_dto_credits_noquota[DTO_XATTR_SET]);
354 CWARN("%s: cannot start journal for "
355 "lma_self_repair: rc = %ld\n",
356 osd_name(osd), PTR_ERR(jh));
360 rc = osd_ea_fid_set(info, inode,
361 lu_object_fid(&obj->oo_dt.do_lu),
362 fid_is_on_ost(info, osd,
363 lu_object_fid(&obj->oo_dt.do_lu),
365 LMAC_FID_ON_OST : 0, 0);
367 CWARN("%s: cannot self repair the LMA: "
368 "rc = %d\n", osd_name(osd), rc);
369 ldiskfs_journal_stop(jh);
374 if (unlikely(rc == -ENODATA))
382 lustre_lma_swab(lma);
383 if (unlikely((lma->lma_incompat & ~LMA_INCOMPAT_SUPP) ||
384 CFS_FAIL_CHECK(OBD_FAIL_OSD_LMA_INCOMPAT))) {
385 CWARN("%s: unsupported incompat LMA feature(s) %#x for "
386 "fid = "DFID", ino = %lu\n", osd_name(osd),
387 lma->lma_incompat & ~LMA_INCOMPAT_SUPP,
388 PFID(lu_object_fid(&obj->oo_dt.do_lu)),
391 } else if (!(lma->lma_compat & LMAC_NOT_IN_OI)) {
392 fid = &lma->lma_self_fid;
397 unlikely(!lu_fid_eq(lu_object_fid(&obj->oo_dt.do_lu), fid))) {
398 CDEBUG(D_INODE, "%s: FID "DFID" != self_fid "DFID"\n",
399 osd_name(osd), PFID(lu_object_fid(&obj->oo_dt.do_lu)),
400 PFID(&lma->lma_self_fid));
407 static int osd_fid_lookup(const struct lu_env *env, struct osd_object *obj,
408 const struct lu_fid *fid,
409 const struct lu_object_conf *conf)
411 struct osd_thread_info *info;
412 struct lu_device *ldev = obj->oo_dt.do_lu.lo_dev;
413 struct osd_device *dev;
414 struct osd_idmap_cache *oic;
415 struct osd_inode_id *id;
417 struct osd_scrub *scrub;
418 struct scrub_file *sf;
422 bool triggered = false;
425 LINVRNT(osd_invariant(obj));
426 LASSERT(obj->oo_inode == NULL);
427 LASSERTF(fid_is_sane(fid) || fid_is_idif(fid), DFID, PFID(fid));
430 scrub = &dev->od_scrub;
431 sf = &scrub->os_file;
432 info = osd_oti_get(env);
434 oic = &info->oti_cache;
436 if (OBD_FAIL_CHECK(OBD_FAIL_OST_ENOENT))
439 /* For the object is created as locking anchor, or for the object to
440 * be created on disk. No need to osd_oi_lookup() at here because FID
441 * shouldn't never be re-used, if it's really a duplicate FID from
442 * unexpected reason, we should be able to detect it later by calling
443 * do_create->osd_oi_insert(). */
444 if (conf != NULL && conf->loc_flags & LOC_F_NEW)
445 GOTO(out, result = 0);
447 /* Search order: 1. per-thread cache. */
448 if (lu_fid_eq(fid, &oic->oic_fid) &&
449 likely(oic->oic_dev == dev)) {
455 if (!cfs_list_empty(&scrub->os_inconsistent_items)) {
456 /* Search order: 2. OI scrub pending list. */
457 result = osd_oii_lookup(dev, fid, id);
462 /* Search order: 3. OI files. */
463 result = osd_oi_lookup(info, dev, fid, id, OI_CHECK_FLD);
464 if (result == -ENOENT) {
465 if (!fid_is_norm(fid) ||
466 fid_is_on_ost(info, dev, fid, OI_CHECK_FLD) ||
467 !ldiskfs_test_bit(osd_oi_fid2idx(dev,fid),
469 GOTO(out, result = 0);
480 inode = osd_iget(info, dev, id);
482 result = PTR_ERR(inode);
483 if (result == -ENOENT || result == -ESTALE) {
485 fid_zero(&oic->oic_fid);
486 GOTO(out, result = -ENOENT);
489 /* XXX: There are three possible cases:
490 * 1. Backup/restore caused the OI invalid.
491 * 2. Someone unlinked the object but NOT removed
492 * the OI mapping, such as mount target device
493 * as ldiskfs, and modify something directly.
494 * 3. Someone just removed the object between the
495 * former oi_lookup and the iget. It is normal.
497 * It is diffcult to distinguish the 2nd from the
498 * 1st case. Relatively speaking, the 1st case is
499 * common than the 2nd case, trigger OI scrub. */
500 result = osd_oi_lookup(info, dev, fid, id, true);
502 /* It is the case 1 or 2. */
504 } else if (result == -EREMCHG) {
507 if (unlikely(triggered))
508 GOTO(out, result = saved);
511 if (thread_is_running(&scrub->os_thread)) {
512 result = -EINPROGRESS;
513 } else if (!dev->od_noscrub) {
514 result = osd_scrub_start(dev);
515 LCONSOLE_ERROR("%.16s: trigger OI scrub by RPC "
516 "for "DFID", rc = %d [1]\n",
517 LDISKFS_SB(osd_sb(dev))->s_es->\
518 s_volume_name,PFID(fid), result);
519 if (result == 0 || result == -EALREADY)
520 result = -EINPROGRESS;
525 /* We still have chance to get the valid inode: for the
526 * object which is referenced by remote name entry, the
527 * object on the local MDT will be linked under the dir
528 * of "/REMOTE_PARENT_DIR" with its FID string as name.
530 * We do not know whether the object for the given FID
531 * is referenced by some remote name entry or not, and
532 * especially for DNE II, a multiple-linked object may
533 * have many name entries reside on many MDTs.
535 * To simplify the operation, OSD will not distinguish
536 * more, just lookup "/REMOTE_PARENT_DIR". Usually, it
537 * only happened for the RPC from other MDT during the
538 * OI scrub, or for the client side RPC with FID only,
539 * such as FID to path, or from old connected client. */
541 result = osd_lookup_in_remote_parent(info, dev,
554 obj->oo_inode = inode;
555 LASSERT(obj->oo_inode->i_sb == osd_sb(dev));
557 result = osd_check_lma(env, obj);
560 obj->oo_inode = NULL;
561 if (result == -EREMCHG)
567 obj->oo_compat_dot_created = 1;
568 obj->oo_compat_dotdot_created = 1;
570 if (!S_ISDIR(inode->i_mode) || !ldiskfs_pdo) /* done */
571 GOTO(out, result = 0);
573 LASSERT(obj->oo_hl_head == NULL);
574 obj->oo_hl_head = ldiskfs_htree_lock_head_alloc(HTREE_HBITS_DEF);
575 if (obj->oo_hl_head == NULL) {
576 obj->oo_inode = NULL;
578 GOTO(out, result = -ENOMEM);
580 GOTO(out, result = 0);
583 LINVRNT(osd_invariant(obj));
588 * Concurrency: shouldn't matter.
590 static void osd_object_init0(struct osd_object *obj)
592 LASSERT(obj->oo_inode != NULL);
593 obj->oo_dt.do_body_ops = &osd_body_ops;
594 obj->oo_dt.do_lu.lo_header->loh_attr |=
595 (LOHA_EXISTS | (obj->oo_inode->i_mode & S_IFMT));
599 * Concurrency: no concurrent access is possible that early in object
602 static int osd_object_init(const struct lu_env *env, struct lu_object *l,
603 const struct lu_object_conf *conf)
605 struct osd_object *obj = osd_obj(l);
608 LINVRNT(osd_invariant(obj));
610 if (fid_is_otable_it(&l->lo_header->loh_fid)) {
611 obj->oo_dt.do_ops = &osd_obj_otable_it_ops;
612 l->lo_header->loh_attr |= LOHA_EXISTS;
616 result = osd_fid_lookup(env, obj, lu_object_fid(l), conf);
617 obj->oo_dt.do_body_ops = &osd_body_ops_new;
618 if (result == 0 && obj->oo_inode != NULL)
619 osd_object_init0(obj);
621 LINVRNT(osd_invariant(obj));
626 * Concurrency: no concurrent access is possible that late in object
629 static void osd_object_free(const struct lu_env *env, struct lu_object *l)
631 struct osd_object *obj = osd_obj(l);
633 LINVRNT(osd_invariant(obj));
635 dt_object_fini(&obj->oo_dt);
636 if (obj->oo_hl_head != NULL)
637 ldiskfs_htree_lock_head_free(obj->oo_hl_head);
642 * Concurrency: no concurrent access is possible that late in object
645 static void osd_index_fini(struct osd_object *o)
647 struct iam_container *bag;
649 if (o->oo_dir != NULL) {
650 bag = &o->oo_dir->od_container;
651 if (o->oo_inode != NULL) {
652 if (bag->ic_object == o->oo_inode)
653 iam_container_fini(bag);
655 OBD_FREE_PTR(o->oo_dir);
661 * Concurrency: no concurrent access is possible that late in object
662 * life-cycle (for all existing callers, that is. New callers have to provide
663 * their own locking.)
665 static int osd_inode_unlinked(const struct inode *inode)
667 return inode->i_nlink == 0;
671 OSD_TXN_OI_DELETE_CREDITS = 20,
672 OSD_TXN_INODE_DELETE_CREDITS = 20
679 #if OSD_THANDLE_STATS
681 * Set time when the handle is allocated
683 static void osd_th_alloced(struct osd_thandle *oth)
685 oth->oth_alloced = cfs_time_current();
689 * Set time when the handle started
691 static void osd_th_started(struct osd_thandle *oth)
693 oth->oth_started = cfs_time_current();
697 * Helper function to convert time interval to microseconds packed in
700 static long interval_to_usec(cfs_time_t start, cfs_time_t end)
704 cfs_duration_usec(cfs_time_sub(end, start), &val);
705 return val.tv_sec * 1000000 + val.tv_usec;
709 * Check whether the we deal with this handle for too long.
711 static void __osd_th_check_slow(void *oth, struct osd_device *dev,
712 cfs_time_t alloced, cfs_time_t started,
715 cfs_time_t now = cfs_time_current();
717 LASSERT(dev != NULL);
719 lprocfs_counter_add(dev->od_stats, LPROC_OSD_THANDLE_STARTING,
720 interval_to_usec(alloced, started));
721 lprocfs_counter_add(dev->od_stats, LPROC_OSD_THANDLE_OPEN,
722 interval_to_usec(started, closed));
723 lprocfs_counter_add(dev->od_stats, LPROC_OSD_THANDLE_CLOSING,
724 interval_to_usec(closed, now));
726 if (cfs_time_before(cfs_time_add(alloced, cfs_time_seconds(30)), now)) {
727 CWARN("transaction handle %p was open for too long: "
729 "alloced "CFS_TIME_T" ,"
730 "started "CFS_TIME_T" ,"
731 "closed "CFS_TIME_T"\n",
732 oth, now, alloced, started, closed);
733 libcfs_debug_dumpstack(NULL);
737 #define OSD_CHECK_SLOW_TH(oth, dev, expr) \
739 cfs_time_t __closed = cfs_time_current(); \
740 cfs_time_t __alloced = oth->oth_alloced; \
741 cfs_time_t __started = oth->oth_started; \
744 __osd_th_check_slow(oth, dev, __alloced, __started, __closed); \
747 #else /* OSD_THANDLE_STATS */
749 #define osd_th_alloced(h) do {} while(0)
750 #define osd_th_started(h) do {} while(0)
751 #define OSD_CHECK_SLOW_TH(oth, dev, expr) expr
753 #endif /* OSD_THANDLE_STATS */
756 * Concurrency: doesn't access mutable data.
758 static int osd_param_is_not_sane(const struct osd_device *dev,
759 const struct thandle *th)
761 struct osd_thandle *oh = container_of(th, typeof(*oh), ot_super);
763 return oh->ot_credits > osd_journal(dev)->j_max_transaction_buffers;
767 * Concurrency: shouldn't matter.
769 static void osd_trans_commit_cb(struct super_block *sb,
770 struct ldiskfs_journal_cb_entry *jcb, int error)
772 struct osd_thandle *oh = container_of0(jcb, struct osd_thandle, ot_jcb);
773 struct thandle *th = &oh->ot_super;
774 struct lu_device *lud = &th->th_dev->dd_lu_dev;
775 struct dt_txn_commit_cb *dcb, *tmp;
777 LASSERT(oh->ot_handle == NULL);
780 CERROR("transaction @0x%p commit error: %d\n", th, error);
782 dt_txn_hook_commit(th);
784 /* call per-transaction callbacks if any */
785 cfs_list_for_each_entry_safe(dcb, tmp, &oh->ot_dcb_list, dcb_linkage) {
786 LASSERTF(dcb->dcb_magic == TRANS_COMMIT_CB_MAGIC,
787 "commit callback entry: magic=%x name='%s'\n",
788 dcb->dcb_magic, dcb->dcb_name);
789 cfs_list_del_init(&dcb->dcb_linkage);
790 dcb->dcb_func(NULL, th, dcb, error);
793 lu_ref_del_at(&lud->ld_reference, &oh->ot_dev_link, "osd-tx", th);
797 lu_context_exit(&th->th_ctx);
798 lu_context_fini(&th->th_ctx);
802 static struct thandle *osd_trans_create(const struct lu_env *env,
805 struct osd_thread_info *oti = osd_oti_get(env);
806 struct osd_iobuf *iobuf = &oti->oti_iobuf;
807 struct osd_thandle *oh;
811 /* on pending IO in this thread should left from prev. request */
812 LASSERT(cfs_atomic_read(&iobuf->dr_numreqs) == 0);
814 th = ERR_PTR(-ENOMEM);
815 OBD_ALLOC_GFP(oh, sizeof *oh, __GFP_IO);
817 oh->ot_quota_trans = &oti->oti_quota_trans;
818 memset(oh->ot_quota_trans, 0, sizeof(*oh->ot_quota_trans));
822 th->th_tags = LCT_TX_HANDLE;
824 oti->oti_dev = osd_dt_dev(d);
825 CFS_INIT_LIST_HEAD(&oh->ot_dcb_list);
828 memset(oti->oti_declare_ops, 0,
829 sizeof(oti->oti_declare_ops));
830 memset(oti->oti_declare_ops_rb, 0,
831 sizeof(oti->oti_declare_ops_rb));
832 memset(oti->oti_declare_ops_cred, 0,
833 sizeof(oti->oti_declare_ops_cred));
834 oti->oti_rollback = false;
840 * Concurrency: shouldn't matter.
842 int osd_trans_start(const struct lu_env *env, struct dt_device *d,
845 struct osd_thread_info *oti = osd_oti_get(env);
846 struct osd_device *dev = osd_dt_dev(d);
848 struct osd_thandle *oh;
853 LASSERT(current->journal_info == NULL);
855 oh = container_of0(th, struct osd_thandle, ot_super);
857 LASSERT(oh->ot_handle == NULL);
859 rc = dt_txn_hook_start(env, d, th);
863 if (unlikely(osd_param_is_not_sane(dev, th))) {
864 static unsigned long last_printed;
865 static int last_credits;
867 CWARN("%.16s: too many transaction credits (%d > %d)\n",
868 LDISKFS_SB(osd_sb(dev))->s_es->s_volume_name,
870 osd_journal(dev)->j_max_transaction_buffers);
871 CWARN(" create: %u/%u, delete: %u/%u, destroy: %u/%u\n",
872 oti->oti_declare_ops[OSD_OT_CREATE],
873 oti->oti_declare_ops_cred[OSD_OT_CREATE],
874 oti->oti_declare_ops[OSD_OT_DELETE],
875 oti->oti_declare_ops_cred[OSD_OT_DELETE],
876 oti->oti_declare_ops[OSD_OT_DESTROY],
877 oti->oti_declare_ops_cred[OSD_OT_DESTROY]);
878 CWARN(" attr_set: %u/%u, xattr_set: %u/%u\n",
879 oti->oti_declare_ops[OSD_OT_ATTR_SET],
880 oti->oti_declare_ops_cred[OSD_OT_ATTR_SET],
881 oti->oti_declare_ops[OSD_OT_XATTR_SET],
882 oti->oti_declare_ops_cred[OSD_OT_XATTR_SET]);
883 CWARN(" write: %u/%u, punch: %u/%u, quota %u/%u\n",
884 oti->oti_declare_ops[OSD_OT_WRITE],
885 oti->oti_declare_ops_cred[OSD_OT_WRITE],
886 oti->oti_declare_ops[OSD_OT_PUNCH],
887 oti->oti_declare_ops_cred[OSD_OT_PUNCH],
888 oti->oti_declare_ops[OSD_OT_QUOTA],
889 oti->oti_declare_ops_cred[OSD_OT_QUOTA]);
890 CWARN(" insert: %u/%u, delete: %u/%u\n",
891 oti->oti_declare_ops[OSD_OT_INSERT],
892 oti->oti_declare_ops_cred[OSD_OT_INSERT],
893 oti->oti_declare_ops[OSD_OT_DESTROY],
894 oti->oti_declare_ops_cred[OSD_OT_DESTROY]);
895 CWARN(" ref_add: %u/%u, ref_del: %u/%u\n",
896 oti->oti_declare_ops[OSD_OT_REF_ADD],
897 oti->oti_declare_ops_cred[OSD_OT_REF_ADD],
898 oti->oti_declare_ops[OSD_OT_REF_DEL],
899 oti->oti_declare_ops_cred[OSD_OT_REF_DEL]);
901 if (last_credits != oh->ot_credits &&
902 time_after(jiffies, last_printed + 60 * HZ)) {
903 libcfs_debug_dumpstack(NULL);
904 last_credits = oh->ot_credits;
905 last_printed = jiffies;
907 /* XXX Limit the credits to 'max_transaction_buffers', and
908 * let the underlying filesystem to catch the error if
909 * we really need so many credits.
911 * This should be removed when we can calculate the
912 * credits precisely. */
913 oh->ot_credits = osd_journal(dev)->j_max_transaction_buffers;
917 * XXX temporary stuff. Some abstraction layer should
920 jh = osd_journal_start_sb(osd_sb(dev), LDISKFS_HT_MISC, oh->ot_credits);
924 LASSERT(oti->oti_txns == 0);
925 lu_context_init(&th->th_ctx, th->th_tags);
926 lu_context_enter(&th->th_ctx);
928 lu_device_get(&d->dd_lu_dev);
929 lu_ref_add_at(&d->dd_lu_dev.ld_reference, &oh->ot_dev_link,
940 static int osd_seq_exists(const struct lu_env *env,
941 struct osd_device *osd, obd_seq seq)
943 struct lu_seq_range *range = &osd_oti_get(env)->oti_seq_range;
944 struct seq_server_site *ss = osd_seq_site(osd);
951 rc = osd_fld_lookup(env, osd, seq, range);
954 CERROR("%s: can't lookup FLD sequence "LPX64
955 ": rc = %d\n", osd_name(osd), seq, rc);
959 RETURN(ss->ss_node_id == range->lsr_index);
963 * Concurrency: shouldn't matter.
965 static int osd_trans_stop(const struct lu_env *env, struct thandle *th)
968 struct osd_thandle *oh;
969 struct osd_thread_info *oti = osd_oti_get(env);
970 struct osd_iobuf *iobuf = &oti->oti_iobuf;
971 struct qsd_instance *qsd = oti->oti_dev->od_quota_slave;
974 oh = container_of0(th, struct osd_thandle, ot_super);
977 /* inform the quota slave device that the transaction is
979 qsd_op_end(env, qsd, oh->ot_quota_trans);
980 oh->ot_quota_trans = NULL;
982 if (oh->ot_handle != NULL) {
983 handle_t *hdl = oh->ot_handle;
986 * add commit callback
987 * notice we don't do this in osd_trans_start()
988 * as underlying transaction can change during truncate
990 ldiskfs_journal_callback_add(hdl, osd_trans_commit_cb,
993 LASSERT(oti->oti_txns == 1);
995 rc = dt_txn_hook_stop(env, th);
997 CERROR("Failure in transaction hook: %d\n", rc);
999 /* hook functions might modify th_sync */
1000 hdl->h_sync = th->th_sync;
1002 oh->ot_handle = NULL;
1003 OSD_CHECK_SLOW_TH(oh, oti->oti_dev,
1004 rc = ldiskfs_journal_stop(hdl));
1006 CERROR("Failure to stop transaction: %d\n", rc);
1011 /* as we want IO to journal and data IO be concurrent, we don't block
1012 * awaiting data IO completion in osd_do_bio(), instead we wait here
1013 * once transaction is submitted to the journal. all reqular requests
1014 * don't do direct IO (except read/write), thus this wait_event becomes
1017 * IMPORTANT: we have to wait till any IO submited by the thread is
1018 * completed otherwise iobuf may be corrupted by different request
1020 wait_event(iobuf->dr_wait,
1021 cfs_atomic_read(&iobuf->dr_numreqs) == 0);
1023 rc = iobuf->dr_error;
1028 static int osd_trans_cb_add(struct thandle *th, struct dt_txn_commit_cb *dcb)
1030 struct osd_thandle *oh = container_of0(th, struct osd_thandle,
1033 LASSERT(dcb->dcb_magic == TRANS_COMMIT_CB_MAGIC);
1034 LASSERT(&dcb->dcb_func != NULL);
1035 cfs_list_add(&dcb->dcb_linkage, &oh->ot_dcb_list);
1041 * Called just before object is freed. Releases all resources except for
1042 * object itself (that is released by osd_object_free()).
1044 * Concurrency: no concurrent access is possible that late in object
1047 static void osd_object_delete(const struct lu_env *env, struct lu_object *l)
1049 struct osd_object *obj = osd_obj(l);
1050 struct inode *inode = obj->oo_inode;
1052 LINVRNT(osd_invariant(obj));
1055 * If object is unlinked remove fid->ino mapping from object index.
1058 osd_index_fini(obj);
1059 if (inode != NULL) {
1060 struct qsd_instance *qsd = osd_obj2dev(obj)->od_quota_slave;
1061 qid_t uid = inode->i_uid;
1062 qid_t gid = inode->i_gid;
1065 obj->oo_inode = NULL;
1068 struct osd_thread_info *info = osd_oti_get(env);
1069 struct lquota_id_info *qi = &info->oti_qi;
1071 /* Release granted quota to master if necessary */
1072 qi->lqi_id.qid_uid = uid;
1073 qsd_op_adjust(env, qsd, &qi->lqi_id, USRQUOTA);
1075 qi->lqi_id.qid_uid = gid;
1076 qsd_op_adjust(env, qsd, &qi->lqi_id, GRPQUOTA);
1082 * Concurrency: ->loo_object_release() is called under site spin-lock.
1084 static void osd_object_release(const struct lu_env *env,
1085 struct lu_object *l)
1090 * Concurrency: shouldn't matter.
1092 static int osd_object_print(const struct lu_env *env, void *cookie,
1093 lu_printer_t p, const struct lu_object *l)
1095 struct osd_object *o = osd_obj(l);
1096 struct iam_descr *d;
1098 if (o->oo_dir != NULL)
1099 d = o->oo_dir->od_container.ic_descr;
1102 return (*p)(env, cookie,
1103 LUSTRE_OSD_LDISKFS_NAME"-object@%p(i:%p:%lu/%u)[%s]",
1105 o->oo_inode ? o->oo_inode->i_ino : 0UL,
1106 o->oo_inode ? o->oo_inode->i_generation : 0,
1107 d ? d->id_ops->id_name : "plain");
1111 * Concurrency: shouldn't matter.
1113 int osd_statfs(const struct lu_env *env, struct dt_device *d,
1114 struct obd_statfs *sfs)
1116 struct osd_device *osd = osd_dt_dev(d);
1117 struct super_block *sb = osd_sb(osd);
1118 struct kstatfs *ksfs;
1121 if (unlikely(osd->od_mnt == NULL))
1122 return -EINPROGRESS;
1124 /* osd_lproc.c call this without env, allocate ksfs for that case */
1125 if (unlikely(env == NULL)) {
1126 OBD_ALLOC_PTR(ksfs);
1130 ksfs = &osd_oti_get(env)->oti_ksfs;
1133 spin_lock(&osd->od_osfs_lock);
1134 /* cache 1 second */
1135 if (cfs_time_before_64(osd->od_osfs_age, cfs_time_shift_64(-1))) {
1136 result = sb->s_op->statfs(sb->s_root, ksfs);
1137 if (likely(result == 0)) { /* N.B. statfs can't really fail */
1138 osd->od_osfs_age = cfs_time_current_64();
1139 statfs_pack(&osd->od_statfs, ksfs);
1140 if (sb->s_flags & MS_RDONLY)
1141 sfs->os_state = OS_STATE_READONLY;
1145 if (likely(result == 0))
1146 *sfs = osd->od_statfs;
1147 spin_unlock(&osd->od_osfs_lock);
1149 if (unlikely(env == NULL))
1156 * Estimate space needed for file creations. We assume the largest filename
1157 * which is 2^64 - 1, hence a filename of 20 chars.
1158 * This is 28 bytes per object which is 28MB for 1M objects ... no so bad.
1160 #ifdef __LDISKFS_DIR_REC_LEN
1161 #define PER_OBJ_USAGE __LDISKFS_DIR_REC_LEN(20)
1163 #define PER_OBJ_USAGE LDISKFS_DIR_REC_LEN(20)
1167 * Concurrency: doesn't access mutable data.
1169 static void osd_conf_get(const struct lu_env *env,
1170 const struct dt_device *dev,
1171 struct dt_device_param *param)
1173 struct super_block *sb = osd_sb(osd_dt_dev(dev));
1176 * XXX should be taken from not-yet-existing fs abstraction layer.
1178 param->ddp_max_name_len = LDISKFS_NAME_LEN;
1179 param->ddp_max_nlink = LDISKFS_LINK_MAX;
1180 param->ddp_block_shift = sb->s_blocksize_bits;
1181 param->ddp_mount_type = LDD_MT_LDISKFS;
1182 param->ddp_maxbytes = sb->s_maxbytes;
1183 /* Overhead estimate should be fairly accurate, so we really take a tiny
1184 * error margin which also avoids fragmenting the filesystem too much */
1185 param->ddp_grant_reserved = 2; /* end up to be 1.9% after conversion */
1186 /* inode are statically allocated, so per-inode space consumption
1187 * is the space consumed by the directory entry */
1188 param->ddp_inodespace = PER_OBJ_USAGE;
1189 /* per-fragment overhead to be used by the client code */
1190 param->ddp_grant_frag = 6 * LDISKFS_BLOCK_SIZE(sb);
1191 param->ddp_mntopts = 0;
1192 if (test_opt(sb, XATTR_USER))
1193 param->ddp_mntopts |= MNTOPT_USERXATTR;
1194 if (test_opt(sb, POSIX_ACL))
1195 param->ddp_mntopts |= MNTOPT_ACL;
1197 #if defined(LDISKFS_FEATURE_INCOMPAT_EA_INODE)
1198 if (LDISKFS_HAS_INCOMPAT_FEATURE(sb, LDISKFS_FEATURE_INCOMPAT_EA_INODE))
1199 param->ddp_max_ea_size = LDISKFS_XATTR_MAX_LARGE_EA_SIZE;
1202 param->ddp_max_ea_size = sb->s_blocksize;
1207 * Concurrency: shouldn't matter.
1209 static int osd_sync(const struct lu_env *env, struct dt_device *d)
1211 CDEBUG(D_HA, "syncing OSD %s\n", LUSTRE_OSD_LDISKFS_NAME);
1212 return ldiskfs_force_commit(osd_sb(osd_dt_dev(d)));
1216 * Start commit for OSD device.
1218 * An implementation of dt_commit_async method for OSD device.
1219 * Asychronously starts underlayng fs sync and thereby a transaction
1222 * \param env environment
1223 * \param d dt device
1225 * \see dt_device_operations
1227 static int osd_commit_async(const struct lu_env *env,
1228 struct dt_device *d)
1230 struct super_block *s = osd_sb(osd_dt_dev(d));
1233 CDEBUG(D_HA, "async commit OSD %s\n", LUSTRE_OSD_LDISKFS_NAME);
1234 RETURN(s->s_op->sync_fs(s, 0));
1238 * Concurrency: shouldn't matter.
1241 static int osd_ro(const struct lu_env *env, struct dt_device *d)
1243 struct super_block *sb = osd_sb(osd_dt_dev(d));
1244 struct block_device *dev = sb->s_bdev;
1245 #ifdef HAVE_DEV_SET_RDONLY
1246 struct block_device *jdev = LDISKFS_SB(sb)->journal_bdev;
1249 int rc = -EOPNOTSUPP;
1253 #ifdef HAVE_DEV_SET_RDONLY
1254 CERROR("*** setting %s read-only ***\n", osd_dt_dev(d)->od_svname);
1256 if (jdev && (jdev != dev)) {
1257 CDEBUG(D_IOCTL | D_HA, "set journal dev %lx rdonly\n",
1259 dev_set_rdonly(jdev);
1261 CDEBUG(D_IOCTL | D_HA, "set dev %lx rdonly\n", (long)dev);
1262 dev_set_rdonly(dev);
1264 CERROR("%s: %lx CANNOT BE SET READONLY: rc = %d\n",
1265 osd_dt_dev(d)->od_svname, (long)dev, rc);
1271 * Concurrency: serialization provided by callers.
1273 static int osd_init_capa_ctxt(const struct lu_env *env, struct dt_device *d,
1274 int mode, unsigned long timeout, __u32 alg,
1275 struct lustre_capa_key *keys)
1277 struct osd_device *dev = osd_dt_dev(d);
1280 dev->od_fl_capa = mode;
1281 dev->od_capa_timeout = timeout;
1282 dev->od_capa_alg = alg;
1283 dev->od_capa_keys = keys;
1288 * Note: we do not count into QUOTA here.
1289 * If we mount with --data_journal we may need more.
1291 const int osd_dto_credits_noquota[DTO_NR] = {
1294 * INDEX_EXTRA_TRANS_BLOCKS(8) +
1295 * SINGLEDATA_TRANS_BLOCKS(8)
1296 * XXX Note: maybe iam need more, since iam have more level than
1299 [DTO_INDEX_INSERT] = 16,
1300 [DTO_INDEX_DELETE] = 16,
1304 [DTO_INDEX_UPDATE] = 16,
1306 * Create a object. The same as create object in EXT3.
1307 * DATA_TRANS_BLOCKS(14) +
1308 * INDEX_EXTRA_BLOCKS(8) +
1309 * 3(inode bits, groups, GDT)
1311 [DTO_OBJECT_CREATE] = 25,
1313 * XXX: real credits to be fixed
1315 [DTO_OBJECT_DELETE] = 25,
1317 * Attr set credits (inode)
1319 [DTO_ATTR_SET_BASE] = 1,
1321 * Xattr set. The same as xattr of EXT3.
1322 * DATA_TRANS_BLOCKS(14)
1323 * XXX Note: in original MDS implmentation INDEX_EXTRA_TRANS_BLOCKS
1324 * are also counted in. Do not know why?
1326 [DTO_XATTR_SET] = 14,
1329 * credits for inode change during write.
1331 [DTO_WRITE_BASE] = 3,
1333 * credits for single block write.
1335 [DTO_WRITE_BLOCK] = 14,
1337 * Attr set credits for chown.
1338 * This is extra credits for setattr, and it is null without quota
1340 [DTO_ATTR_SET_CHOWN]= 0
1343 static const struct dt_device_operations osd_dt_ops = {
1344 .dt_root_get = osd_root_get,
1345 .dt_statfs = osd_statfs,
1346 .dt_trans_create = osd_trans_create,
1347 .dt_trans_start = osd_trans_start,
1348 .dt_trans_stop = osd_trans_stop,
1349 .dt_trans_cb_add = osd_trans_cb_add,
1350 .dt_conf_get = osd_conf_get,
1351 .dt_sync = osd_sync,
1353 .dt_commit_async = osd_commit_async,
1354 .dt_init_capa_ctxt = osd_init_capa_ctxt,
1357 static void osd_object_read_lock(const struct lu_env *env,
1358 struct dt_object *dt, unsigned role)
1360 struct osd_object *obj = osd_dt_obj(dt);
1361 struct osd_thread_info *oti = osd_oti_get(env);
1363 LINVRNT(osd_invariant(obj));
1365 LASSERT(obj->oo_owner != env);
1366 down_read_nested(&obj->oo_sem, role);
1368 LASSERT(obj->oo_owner == NULL);
1372 static void osd_object_write_lock(const struct lu_env *env,
1373 struct dt_object *dt, unsigned role)
1375 struct osd_object *obj = osd_dt_obj(dt);
1376 struct osd_thread_info *oti = osd_oti_get(env);
1378 LINVRNT(osd_invariant(obj));
1380 LASSERT(obj->oo_owner != env);
1381 down_write_nested(&obj->oo_sem, role);
1383 LASSERT(obj->oo_owner == NULL);
1384 obj->oo_owner = env;
1388 static void osd_object_read_unlock(const struct lu_env *env,
1389 struct dt_object *dt)
1391 struct osd_object *obj = osd_dt_obj(dt);
1392 struct osd_thread_info *oti = osd_oti_get(env);
1394 LINVRNT(osd_invariant(obj));
1396 LASSERT(oti->oti_r_locks > 0);
1398 up_read(&obj->oo_sem);
1401 static void osd_object_write_unlock(const struct lu_env *env,
1402 struct dt_object *dt)
1404 struct osd_object *obj = osd_dt_obj(dt);
1405 struct osd_thread_info *oti = osd_oti_get(env);
1407 LINVRNT(osd_invariant(obj));
1409 LASSERT(obj->oo_owner == env);
1410 LASSERT(oti->oti_w_locks > 0);
1412 obj->oo_owner = NULL;
1413 up_write(&obj->oo_sem);
1416 static int osd_object_write_locked(const struct lu_env *env,
1417 struct dt_object *dt)
1419 struct osd_object *obj = osd_dt_obj(dt);
1421 LINVRNT(osd_invariant(obj));
1423 return obj->oo_owner == env;
1426 static int capa_is_sane(const struct lu_env *env,
1427 struct osd_device *dev,
1428 struct lustre_capa *capa,
1429 struct lustre_capa_key *keys)
1431 struct osd_thread_info *oti = osd_oti_get(env);
1432 struct lustre_capa *tcapa = &oti->oti_capa;
1433 struct obd_capa *oc;
1437 oc = capa_lookup(dev->od_capa_hash, capa, 0);
1439 if (capa_is_expired(oc)) {
1440 DEBUG_CAPA(D_ERROR, capa, "expired");
1447 if (capa_is_expired_sec(capa)) {
1448 DEBUG_CAPA(D_ERROR, capa, "expired");
1452 spin_lock(&capa_lock);
1453 for (i = 0; i < 2; i++) {
1454 if (keys[i].lk_keyid == capa->lc_keyid) {
1455 oti->oti_capa_key = keys[i];
1459 spin_unlock(&capa_lock);
1462 DEBUG_CAPA(D_ERROR, capa, "no matched capa key");
1466 rc = capa_hmac(tcapa->lc_hmac, capa, oti->oti_capa_key.lk_key);
1470 if (memcmp(tcapa->lc_hmac, capa->lc_hmac, sizeof(capa->lc_hmac))) {
1471 DEBUG_CAPA(D_ERROR, capa, "HMAC mismatch");
1475 oc = capa_add(dev->od_capa_hash, capa);
1481 int osd_object_auth(const struct lu_env *env, struct dt_object *dt,
1482 struct lustre_capa *capa, __u64 opc)
1484 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
1485 struct osd_device *osd = osd_dev(dt->do_lu.lo_dev);
1486 struct lu_capainfo *lci;
1489 if (!osd->od_fl_capa)
1492 if (capa == BYPASS_CAPA)
1495 lci = lu_capainfo_get(env);
1496 if (unlikely(lci == NULL))
1499 if (lci->lci_auth == LC_ID_NONE)
1503 CERROR("%s: no capability provided for FID "DFID": rc = %d\n",
1504 osd_name(osd), PFID(fid), -EACCES);
1508 if (!lu_fid_eq(fid, &capa->lc_fid)) {
1509 DEBUG_CAPA(D_ERROR, capa, "fid "DFID" mismatch with",
1514 if (!capa_opc_supported(capa, opc)) {
1515 DEBUG_CAPA(D_ERROR, capa, "opc "LPX64" not supported by", opc);
1519 rc = capa_is_sane(env, osd, capa, osd->od_capa_keys);
1521 DEBUG_CAPA(D_ERROR, capa, "insane: rc = %d", rc);
1528 static struct timespec *osd_inode_time(const struct lu_env *env,
1529 struct inode *inode, __u64 seconds)
1531 struct osd_thread_info *oti = osd_oti_get(env);
1532 struct timespec *t = &oti->oti_time;
1534 t->tv_sec = seconds;
1536 *t = timespec_trunc(*t, inode->i_sb->s_time_gran);
1541 static void osd_inode_getattr(const struct lu_env *env,
1542 struct inode *inode, struct lu_attr *attr)
1544 attr->la_valid |= LA_ATIME | LA_MTIME | LA_CTIME | LA_MODE |
1545 LA_SIZE | LA_BLOCKS | LA_UID | LA_GID |
1546 LA_FLAGS | LA_NLINK | LA_RDEV | LA_BLKSIZE |
1549 attr->la_atime = LTIME_S(inode->i_atime);
1550 attr->la_mtime = LTIME_S(inode->i_mtime);
1551 attr->la_ctime = LTIME_S(inode->i_ctime);
1552 attr->la_mode = inode->i_mode;
1553 attr->la_size = i_size_read(inode);
1554 attr->la_blocks = inode->i_blocks;
1555 attr->la_uid = inode->i_uid;
1556 attr->la_gid = inode->i_gid;
1557 attr->la_flags = LDISKFS_I(inode)->i_flags;
1558 attr->la_nlink = inode->i_nlink;
1559 attr->la_rdev = inode->i_rdev;
1560 attr->la_blksize = 1 << inode->i_blkbits;
1561 attr->la_blkbits = inode->i_blkbits;
1564 static int osd_attr_get(const struct lu_env *env,
1565 struct dt_object *dt,
1566 struct lu_attr *attr,
1567 struct lustre_capa *capa)
1569 struct osd_object *obj = osd_dt_obj(dt);
1571 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
1572 LINVRNT(osd_invariant(obj));
1574 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_READ))
1577 spin_lock(&obj->oo_guard);
1578 osd_inode_getattr(env, obj->oo_inode, attr);
1579 spin_unlock(&obj->oo_guard);
1583 static int osd_declare_attr_set(const struct lu_env *env,
1584 struct dt_object *dt,
1585 const struct lu_attr *attr,
1586 struct thandle *handle)
1588 struct osd_thandle *oh;
1589 struct osd_object *obj;
1590 struct osd_thread_info *info = osd_oti_get(env);
1591 struct lquota_id_info *qi = &info->oti_qi;
1597 LASSERT(dt != NULL);
1598 LASSERT(handle != NULL);
1600 obj = osd_dt_obj(dt);
1601 LASSERT(osd_invariant(obj));
1603 oh = container_of0(handle, struct osd_thandle, ot_super);
1604 LASSERT(oh->ot_handle == NULL);
1606 osd_trans_declare_op(env, oh, OSD_OT_ATTR_SET,
1607 osd_dto_credits_noquota[DTO_ATTR_SET_BASE]);
1609 if (attr == NULL || obj->oo_inode == NULL)
1612 bspace = obj->oo_inode->i_blocks;
1613 bspace <<= obj->oo_inode->i_sb->s_blocksize_bits;
1614 bspace = toqb(bspace);
1616 /* Changing ownership is always preformed by super user, it should not
1619 * We still need to call the osd_declare_qid() to calculate the journal
1620 * credits for updating quota accounting files and to trigger quota
1621 * space adjustment once the operation is completed.*/
1622 if ((attr->la_valid & LA_UID) != 0 &&
1623 attr->la_uid != obj->oo_inode->i_uid) {
1624 qi->lqi_type = USRQUOTA;
1626 /* inode accounting */
1627 qi->lqi_is_blk = false;
1629 /* one more inode for the new owner ... */
1630 qi->lqi_id.qid_uid = attr->la_uid;
1632 allocated = (attr->la_uid == 0) ? true : false;
1633 rc = osd_declare_qid(env, oh, qi, allocated, NULL);
1634 if (rc == -EDQUOT || rc == -EINPROGRESS)
1639 /* and one less inode for the current uid */
1640 qi->lqi_id.qid_uid = obj->oo_inode->i_uid;
1642 rc = osd_declare_qid(env, oh, qi, true, NULL);
1643 if (rc == -EDQUOT || rc == -EINPROGRESS)
1648 /* block accounting */
1649 qi->lqi_is_blk = true;
1651 /* more blocks for the new owner ... */
1652 qi->lqi_id.qid_uid = attr->la_uid;
1653 qi->lqi_space = bspace;
1654 allocated = (attr->la_uid == 0) ? true : false;
1655 rc = osd_declare_qid(env, oh, qi, allocated, NULL);
1656 if (rc == -EDQUOT || rc == -EINPROGRESS)
1661 /* and finally less blocks for the current owner */
1662 qi->lqi_id.qid_uid = obj->oo_inode->i_uid;
1663 qi->lqi_space = -bspace;
1664 rc = osd_declare_qid(env, oh, qi, true, NULL);
1665 if (rc == -EDQUOT || rc == -EINPROGRESS)
1671 if (attr->la_valid & LA_GID &&
1672 attr->la_gid != obj->oo_inode->i_gid) {
1673 qi->lqi_type = GRPQUOTA;
1675 /* inode accounting */
1676 qi->lqi_is_blk = false;
1678 /* one more inode for the new group owner ... */
1679 qi->lqi_id.qid_gid = attr->la_gid;
1681 allocated = (attr->la_gid == 0) ? true : false;
1682 rc = osd_declare_qid(env, oh, qi, allocated, NULL);
1683 if (rc == -EDQUOT || rc == -EINPROGRESS)
1688 /* and one less inode for the current gid */
1689 qi->lqi_id.qid_gid = obj->oo_inode->i_gid;
1691 rc = osd_declare_qid(env, oh, qi, true, NULL);
1692 if (rc == -EDQUOT || rc == -EINPROGRESS)
1697 /* block accounting */
1698 qi->lqi_is_blk = true;
1700 /* more blocks for the new owner ... */
1701 qi->lqi_id.qid_gid = attr->la_gid;
1702 qi->lqi_space = bspace;
1703 allocated = (attr->la_gid == 0) ? true : false;
1704 rc = osd_declare_qid(env, oh, qi, allocated, NULL);
1705 if (rc == -EDQUOT || rc == -EINPROGRESS)
1710 /* and finally less blocks for the current owner */
1711 qi->lqi_id.qid_gid = obj->oo_inode->i_gid;
1712 qi->lqi_space = -bspace;
1713 rc = osd_declare_qid(env, oh, qi, true, NULL);
1714 if (rc == -EDQUOT || rc == -EINPROGRESS)
1723 static int osd_inode_setattr(const struct lu_env *env,
1724 struct inode *inode, const struct lu_attr *attr)
1728 bits = attr->la_valid;
1730 if (bits & LA_ATIME)
1731 inode->i_atime = *osd_inode_time(env, inode, attr->la_atime);
1732 if (bits & LA_CTIME)
1733 inode->i_ctime = *osd_inode_time(env, inode, attr->la_ctime);
1734 if (bits & LA_MTIME)
1735 inode->i_mtime = *osd_inode_time(env, inode, attr->la_mtime);
1736 if (bits & LA_SIZE) {
1737 LDISKFS_I(inode)->i_disksize = attr->la_size;
1738 i_size_write(inode, attr->la_size);
1742 /* OSD should not change "i_blocks" which is used by quota.
1743 * "i_blocks" should be changed by ldiskfs only. */
1744 if (bits & LA_BLOCKS)
1745 inode->i_blocks = attr->la_blocks;
1748 inode->i_mode = (inode->i_mode & S_IFMT) |
1749 (attr->la_mode & ~S_IFMT);
1751 inode->i_uid = attr->la_uid;
1753 inode->i_gid = attr->la_gid;
1754 if (bits & LA_NLINK)
1755 set_nlink(inode, attr->la_nlink);
1757 inode->i_rdev = attr->la_rdev;
1759 if (bits & LA_FLAGS) {
1760 /* always keep S_NOCMTIME */
1761 inode->i_flags = ll_ext_to_inode_flags(attr->la_flags) |
1767 static int osd_quota_transfer(struct inode *inode, const struct lu_attr *attr)
1769 if ((attr->la_valid & LA_UID && attr->la_uid != inode->i_uid) ||
1770 (attr->la_valid & LA_GID && attr->la_gid != inode->i_gid)) {
1775 if (attr->la_valid & LA_UID)
1776 iattr.ia_valid |= ATTR_UID;
1777 if (attr->la_valid & LA_GID)
1778 iattr.ia_valid |= ATTR_GID;
1779 iattr.ia_uid = attr->la_uid;
1780 iattr.ia_gid = attr->la_gid;
1782 rc = ll_vfs_dq_transfer(inode, &iattr);
1784 CERROR("%s: quota transfer failed: rc = %d. Is quota "
1785 "enforcement enabled on the ldiskfs filesystem?",
1786 inode->i_sb->s_id, rc);
1793 static int osd_attr_set(const struct lu_env *env,
1794 struct dt_object *dt,
1795 const struct lu_attr *attr,
1796 struct thandle *handle,
1797 struct lustre_capa *capa)
1799 struct osd_object *obj = osd_dt_obj(dt);
1800 struct inode *inode;
1803 LASSERT(handle != NULL);
1804 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
1805 LASSERT(osd_invariant(obj));
1807 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_WRITE))
1810 osd_trans_exec_op(env, handle, OSD_OT_ATTR_SET);
1812 if (OBD_FAIL_CHECK(OBD_FAIL_OSD_FID_MAPPING)) {
1813 struct osd_thread_info *oti = osd_oti_get(env);
1814 const struct lu_fid *fid0 = lu_object_fid(&dt->do_lu);
1815 struct lu_fid *fid1 = &oti->oti_fid;
1816 struct osd_inode_id *id = &oti->oti_id;
1817 struct iam_path_descr *ipd;
1818 struct iam_container *bag;
1819 struct osd_thandle *oh;
1822 fid_cpu_to_be(fid1, fid0);
1823 memset(id, 1, sizeof(*id));
1824 bag = &osd_fid2oi(osd_dev(dt->do_lu.lo_dev),
1825 fid0)->oi_dir.od_container;
1826 ipd = osd_idx_ipd_get(env, bag);
1827 if (unlikely(ipd == NULL))
1830 oh = container_of0(handle, struct osd_thandle, ot_super);
1831 rc = iam_update(oh->ot_handle, bag, (const struct iam_key *)fid1,
1832 (const struct iam_rec *)id, ipd);
1833 osd_ipd_put(env, bag, ipd);
1834 return(rc > 0 ? 0 : rc);
1837 inode = obj->oo_inode;
1838 ll_vfs_dq_init(inode);
1840 rc = osd_quota_transfer(inode, attr);
1844 spin_lock(&obj->oo_guard);
1845 rc = osd_inode_setattr(env, inode, attr);
1846 spin_unlock(&obj->oo_guard);
1849 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
1853 struct dentry *osd_child_dentry_get(const struct lu_env *env,
1854 struct osd_object *obj,
1855 const char *name, const int namelen)
1857 return osd_child_dentry_by_inode(env, obj->oo_inode, name, namelen);
1860 static int osd_mkfile(struct osd_thread_info *info, struct osd_object *obj,
1861 umode_t mode, struct dt_allocation_hint *hint,
1865 struct osd_device *osd = osd_obj2dev(obj);
1866 struct osd_thandle *oth;
1867 struct dt_object *parent = NULL;
1868 struct inode *inode;
1870 LINVRNT(osd_invariant(obj));
1871 LASSERT(obj->oo_inode == NULL);
1872 LASSERT(obj->oo_hl_head == NULL);
1874 if (S_ISDIR(mode) && ldiskfs_pdo) {
1875 obj->oo_hl_head =ldiskfs_htree_lock_head_alloc(HTREE_HBITS_DEF);
1876 if (obj->oo_hl_head == NULL)
1880 oth = container_of(th, struct osd_thandle, ot_super);
1881 LASSERT(oth->ot_handle->h_transaction != NULL);
1883 if (hint && hint->dah_parent)
1884 parent = hint->dah_parent;
1886 inode = ldiskfs_create_inode(oth->ot_handle,
1887 parent ? osd_dt_obj(parent)->oo_inode :
1888 osd_sb(osd)->s_root->d_inode,
1890 if (!IS_ERR(inode)) {
1891 /* Do not update file c/mtime in ldiskfs.
1892 * NB: don't need any lock because no contention at this
1894 inode->i_flags |= S_NOCMTIME;
1896 /* For new created object, it must be consistent,
1897 * and it is unnecessary to scrub against it. */
1898 ldiskfs_set_inode_state(inode, LDISKFS_STATE_LUSTRE_NOSCRUB);
1899 obj->oo_inode = inode;
1902 if (obj->oo_hl_head != NULL) {
1903 ldiskfs_htree_lock_head_free(obj->oo_hl_head);
1904 obj->oo_hl_head = NULL;
1906 result = PTR_ERR(inode);
1908 LINVRNT(osd_invariant(obj));
1916 static int osd_mkdir(struct osd_thread_info *info, struct osd_object *obj,
1917 struct lu_attr *attr,
1918 struct dt_allocation_hint *hint,
1919 struct dt_object_format *dof,
1923 struct osd_thandle *oth;
1924 __u32 mode = (attr->la_mode & (S_IFMT | S_IRWXUGO | S_ISVTX));
1926 LASSERT(S_ISDIR(attr->la_mode));
1928 oth = container_of(th, struct osd_thandle, ot_super);
1929 LASSERT(oth->ot_handle->h_transaction != NULL);
1930 result = osd_mkfile(info, obj, mode, hint, th);
1935 static int osd_mk_index(struct osd_thread_info *info, struct osd_object *obj,
1936 struct lu_attr *attr,
1937 struct dt_allocation_hint *hint,
1938 struct dt_object_format *dof,
1942 struct osd_thandle *oth;
1943 const struct dt_index_features *feat = dof->u.dof_idx.di_feat;
1945 __u32 mode = (attr->la_mode & (S_IFMT | S_IALLUGO | S_ISVTX));
1947 LASSERT(S_ISREG(attr->la_mode));
1949 oth = container_of(th, struct osd_thandle, ot_super);
1950 LASSERT(oth->ot_handle->h_transaction != NULL);
1952 result = osd_mkfile(info, obj, mode, hint, th);
1954 LASSERT(obj->oo_inode != NULL);
1955 if (feat->dif_flags & DT_IND_VARKEY)
1956 result = iam_lvar_create(obj->oo_inode,
1957 feat->dif_keysize_max,
1959 feat->dif_recsize_max,
1962 result = iam_lfix_create(obj->oo_inode,
1963 feat->dif_keysize_max,
1965 feat->dif_recsize_max,
1972 static int osd_mkreg(struct osd_thread_info *info, struct osd_object *obj,
1973 struct lu_attr *attr,
1974 struct dt_allocation_hint *hint,
1975 struct dt_object_format *dof,
1978 LASSERT(S_ISREG(attr->la_mode));
1979 return osd_mkfile(info, obj, (attr->la_mode &
1980 (S_IFMT | S_IALLUGO | S_ISVTX)), hint, th);
1983 static int osd_mksym(struct osd_thread_info *info, struct osd_object *obj,
1984 struct lu_attr *attr,
1985 struct dt_allocation_hint *hint,
1986 struct dt_object_format *dof,
1989 LASSERT(S_ISLNK(attr->la_mode));
1990 return osd_mkfile(info, obj, (attr->la_mode &
1991 (S_IFMT | S_IALLUGO | S_ISVTX)), hint, th);
1994 static int osd_mknod(struct osd_thread_info *info, struct osd_object *obj,
1995 struct lu_attr *attr,
1996 struct dt_allocation_hint *hint,
1997 struct dt_object_format *dof,
2000 umode_t mode = attr->la_mode & (S_IFMT | S_IALLUGO | S_ISVTX);
2003 LINVRNT(osd_invariant(obj));
2004 LASSERT(obj->oo_inode == NULL);
2005 LASSERT(S_ISCHR(mode) || S_ISBLK(mode) ||
2006 S_ISFIFO(mode) || S_ISSOCK(mode));
2008 result = osd_mkfile(info, obj, mode, hint, th);
2010 LASSERT(obj->oo_inode != NULL);
2012 * This inode should be marked dirty for i_rdev. Currently
2013 * that is done in the osd_attr_init().
2015 init_special_inode(obj->oo_inode, obj->oo_inode->i_mode,
2018 LINVRNT(osd_invariant(obj));
2022 typedef int (*osd_obj_type_f)(struct osd_thread_info *, struct osd_object *,
2024 struct dt_allocation_hint *hint,
2025 struct dt_object_format *dof,
2028 static osd_obj_type_f osd_create_type_f(enum dt_format_type type)
2030 osd_obj_type_f result;
2046 result = osd_mk_index;
2057 static void osd_ah_init(const struct lu_env *env, struct dt_allocation_hint *ah,
2058 struct dt_object *parent, struct dt_object *child,
2063 memset(ah, 0, sizeof(*ah));
2064 ah->dah_parent = parent;
2065 ah->dah_mode = child_mode;
2068 static void osd_attr_init(struct osd_thread_info *info, struct osd_object *obj,
2069 struct lu_attr *attr, struct dt_object_format *dof)
2071 struct inode *inode = obj->oo_inode;
2072 __u64 valid = attr->la_valid;
2075 attr->la_valid &= ~(LA_TYPE | LA_MODE);
2077 if (dof->dof_type != DFT_NODE)
2078 attr->la_valid &= ~LA_RDEV;
2079 if ((valid & LA_ATIME) && (attr->la_atime == LTIME_S(inode->i_atime)))
2080 attr->la_valid &= ~LA_ATIME;
2081 if ((valid & LA_CTIME) && (attr->la_ctime == LTIME_S(inode->i_ctime)))
2082 attr->la_valid &= ~LA_CTIME;
2083 if ((valid & LA_MTIME) && (attr->la_mtime == LTIME_S(inode->i_mtime)))
2084 attr->la_valid &= ~LA_MTIME;
2086 result = osd_quota_transfer(inode, attr);
2090 if (attr->la_valid != 0) {
2091 result = osd_inode_setattr(info->oti_env, inode, attr);
2093 * The osd_inode_setattr() should always succeed here. The
2094 * only error that could be returned is EDQUOT when we are
2095 * trying to change the UID or GID of the inode. However, this
2096 * should not happen since quota enforcement is no longer
2097 * enabled on ldiskfs (lquota takes care of it).
2099 LASSERTF(result == 0, "%d", result);
2100 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2103 attr->la_valid = valid;
2107 * Helper function for osd_object_create()
2109 * \retval 0, on success
2111 static int __osd_object_create(struct osd_thread_info *info,
2112 struct osd_object *obj, struct lu_attr *attr,
2113 struct dt_allocation_hint *hint,
2114 struct dt_object_format *dof,
2120 /* we drop umask so that permissions we pass are not affected */
2121 umask = current->fs->umask;
2122 current->fs->umask = 0;
2124 result = osd_create_type_f(dof->dof_type)(info, obj, attr, hint, dof,
2127 osd_attr_init(info, obj, attr, dof);
2128 osd_object_init0(obj);
2130 if (obj->oo_inode && (obj->oo_inode->i_state & I_NEW))
2131 unlock_new_inode(obj->oo_inode);
2134 /* restore previous umask value */
2135 current->fs->umask = umask;
2141 * Helper function for osd_object_create()
2143 * \retval 0, on success
2145 static int __osd_oi_insert(const struct lu_env *env, struct osd_object *obj,
2146 const struct lu_fid *fid, struct thandle *th)
2148 struct osd_thread_info *info = osd_oti_get(env);
2149 struct osd_inode_id *id = &info->oti_id;
2150 struct osd_device *osd = osd_obj2dev(obj);
2151 struct osd_thandle *oh;
2153 LASSERT(obj->oo_inode != NULL);
2155 oh = container_of0(th, struct osd_thandle, ot_super);
2156 LASSERT(oh->ot_handle);
2158 osd_id_gen(id, obj->oo_inode->i_ino, obj->oo_inode->i_generation);
2159 return osd_oi_insert(info, osd, fid, id, oh->ot_handle, OI_CHECK_FLD);
2162 int osd_fld_lookup(const struct lu_env *env, struct osd_device *osd,
2163 obd_seq seq, struct lu_seq_range *range)
2165 struct seq_server_site *ss = osd_seq_site(osd);
2167 if (fid_seq_is_idif(seq)) {
2168 fld_range_set_ost(range);
2169 range->lsr_index = idif_ost_idx(seq);
2173 if (!fid_seq_in_fldb(seq)) {
2174 fld_range_set_mdt(range);
2176 /* FIXME: If ss is NULL, it suppose not get lsr_index
2178 range->lsr_index = ss->ss_node_id;
2182 LASSERT(ss != NULL);
2183 fld_range_set_any(range);
2184 /* OSD will only do local fld lookup */
2185 return fld_local_lookup(env, ss->ss_server_fld, seq, range);
2189 * Concurrency: no external locking is necessary.
2191 static int osd_declare_object_create(const struct lu_env *env,
2192 struct dt_object *dt,
2193 struct lu_attr *attr,
2194 struct dt_allocation_hint *hint,
2195 struct dt_object_format *dof,
2196 struct thandle *handle)
2198 struct osd_thandle *oh;
2202 LASSERT(handle != NULL);
2204 oh = container_of0(handle, struct osd_thandle, ot_super);
2205 LASSERT(oh->ot_handle == NULL);
2207 osd_trans_declare_op(env, oh, OSD_OT_CREATE,
2208 osd_dto_credits_noquota[DTO_OBJECT_CREATE]);
2209 if (!fid_is_on_ost(osd_oti_get(env), osd_dt_dev(handle->th_dev),
2210 lu_object_fid(&dt->do_lu), OI_CHECK_FLD))
2211 /* Reuse idle OI block may cause additional one OI block
2213 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
2214 osd_dto_credits_noquota[DTO_INDEX_INSERT] + 1);
2216 /* If this is directory, then we expect . and .. to be inserted as
2217 * well. The one directory block always needs to be created for the
2218 * directory, so we could use DTO_WRITE_BASE here (GDT, block bitmap,
2219 * block), there is no danger of needing a tree for the first block.
2221 if (attr && S_ISDIR(attr->la_mode)) {
2222 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
2223 osd_dto_credits_noquota[DTO_WRITE_BASE]);
2224 osd_trans_declare_op(env, oh, OSD_OT_INSERT, 0);
2230 rc = osd_declare_inode_qid(env, attr->la_uid, attr->la_gid, 1, oh,
2231 false, false, NULL, false);
2238 static int osd_object_create(const struct lu_env *env, struct dt_object *dt,
2239 struct lu_attr *attr,
2240 struct dt_allocation_hint *hint,
2241 struct dt_object_format *dof,
2244 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
2245 struct osd_object *obj = osd_dt_obj(dt);
2246 struct osd_thread_info *info = osd_oti_get(env);
2251 LINVRNT(osd_invariant(obj));
2252 LASSERT(!dt_object_exists(dt) && !dt_object_remote(dt));
2253 LASSERT(osd_write_locked(env, obj));
2254 LASSERT(th != NULL);
2256 if (unlikely(fid_is_acct(fid)))
2257 /* Quota files can't be created from the kernel any more,
2258 * 'tune2fs -O quota' will take care of creating them */
2261 osd_trans_exec_op(env, th, OSD_OT_CREATE);
2262 osd_trans_declare_rb(env, th, OSD_OT_REF_ADD);
2264 result = __osd_object_create(info, obj, attr, hint, dof, th);
2266 result = __osd_oi_insert(env, obj, fid, th);
2268 LASSERT(ergo(result == 0,
2269 dt_object_exists(dt) && !dt_object_remote(dt)));
2271 LASSERT(osd_invariant(obj));
2276 * Called to destroy on-disk representation of the object
2278 * Concurrency: must be locked
2280 static int osd_declare_object_destroy(const struct lu_env *env,
2281 struct dt_object *dt,
2284 struct osd_object *obj = osd_dt_obj(dt);
2285 struct inode *inode = obj->oo_inode;
2286 struct osd_thandle *oh;
2290 oh = container_of0(th, struct osd_thandle, ot_super);
2291 LASSERT(oh->ot_handle == NULL);
2294 osd_trans_declare_op(env, oh, OSD_OT_DESTROY,
2295 osd_dto_credits_noquota[DTO_OBJECT_DELETE]);
2296 /* Recycle idle OI leaf may cause additional three OI blocks
2298 osd_trans_declare_op(env, oh, OSD_OT_DELETE,
2299 osd_dto_credits_noquota[DTO_INDEX_DELETE] + 3);
2300 /* one less inode */
2301 rc = osd_declare_inode_qid(env, inode->i_uid, inode->i_gid, -1, oh,
2302 false, true, NULL, false);
2305 /* data to be truncated */
2306 rc = osd_declare_inode_qid(env, inode->i_uid, inode->i_gid, 0, oh,
2307 true, true, NULL, false);
2311 static int osd_object_destroy(const struct lu_env *env,
2312 struct dt_object *dt,
2315 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
2316 struct osd_object *obj = osd_dt_obj(dt);
2317 struct inode *inode = obj->oo_inode;
2318 struct osd_device *osd = osd_obj2dev(obj);
2319 struct osd_thandle *oh;
2323 oh = container_of0(th, struct osd_thandle, ot_super);
2324 LASSERT(oh->ot_handle);
2326 LASSERT(!lu_object_is_dying(dt->do_lu.lo_header));
2328 if (unlikely(fid_is_acct(fid)))
2331 if (S_ISDIR(inode->i_mode)) {
2332 LASSERT(osd_inode_unlinked(inode) || inode->i_nlink == 1 ||
2333 inode->i_nlink == 2);
2334 /* it will check/delete the inode from remote parent,
2335 * how to optimize it? unlink performance impaction XXX */
2336 result = osd_delete_from_remote_parent(env, osd, obj, oh);
2337 if (result != 0 && result != -ENOENT) {
2338 CERROR("%s: delete inode "DFID": rc = %d\n",
2339 osd_name(osd), PFID(fid), result);
2341 spin_lock(&obj->oo_guard);
2343 spin_unlock(&obj->oo_guard);
2344 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2347 osd_trans_exec_op(env, th, OSD_OT_DESTROY);
2349 result = osd_oi_delete(osd_oti_get(env), osd, fid, oh->ot_handle,
2352 /* XXX: add to ext3 orphan list */
2353 /* rc = ext3_orphan_add(handle_t *handle, struct inode *inode) */
2355 /* not needed in the cache anymore */
2356 set_bit(LU_OBJECT_HEARD_BANSHEE, &dt->do_lu.lo_header->loh_flags);
2362 * Put the fid into lustre_mdt_attrs, and then place the structure
2363 * inode's ea. This fid should not be altered during the life time
2366 * \retval +ve, on success
2367 * \retval -ve, on error
2369 * FIXME: It is good to have/use ldiskfs_xattr_set_handle() here
2371 int osd_ea_fid_set(struct osd_thread_info *info, struct inode *inode,
2372 const struct lu_fid *fid, __u32 compat, __u32 incompat)
2374 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
2378 if (OBD_FAIL_CHECK(OBD_FAIL_FID_INLMA))
2381 lustre_lma_init(lma, fid, compat, incompat);
2382 lustre_lma_swab(lma);
2384 rc = __osd_xattr_set(info, inode, XATTR_NAME_LMA, lma, sizeof(*lma),
2386 /* LMA may already exist, but we need to check that all the
2387 * desired compat/incompat flags have been added. */
2388 if (unlikely(rc == -EEXIST)) {
2389 if (compat == 0 && incompat == 0)
2392 rc = __osd_xattr_get(inode, &info->oti_obj_dentry,
2393 XATTR_NAME_LMA, info->oti_mdt_attrs_old,
2398 lustre_lma_swab(lma);
2399 if (!(~lma->lma_compat & compat) &&
2400 !(~lma->lma_incompat & incompat))
2403 lma->lma_compat |= compat;
2404 lma->lma_incompat |= incompat;
2405 lustre_lma_swab(lma);
2406 rc = __osd_xattr_set(info, inode, XATTR_NAME_LMA, lma,
2407 sizeof(*lma), XATTR_REPLACE);
2414 * ldiskfs supports fid in dirent, it is passed in dentry->d_fsdata.
2415 * lustre 1.8 also uses d_fsdata for passing other info to ldiskfs.
2416 * To have compatilibility with 1.8 ldiskfs driver we need to have
2417 * magic number at start of fid data.
2418 * \ldiskfs_dentry_param is used only to pass fid from osd to ldiskfs.
2421 void osd_get_ldiskfs_dirent_param(struct ldiskfs_dentry_param *param,
2422 const struct dt_rec *fid)
2424 if (!fid_is_namespace_visible((const struct lu_fid *)fid) ||
2425 OBD_FAIL_CHECK(OBD_FAIL_FID_IGIF)) {
2426 param->edp_magic = 0;
2430 param->edp_magic = LDISKFS_LUFID_MAGIC;
2431 param->edp_len = sizeof(struct lu_fid) + 1;
2432 fid_cpu_to_be((struct lu_fid *)param->edp_data, (struct lu_fid *)fid);
2436 * Try to read the fid from inode ea into dt_rec.
2438 * \param fid object fid.
2440 * \retval 0 on success
2442 static int osd_ea_fid_get(const struct lu_env *env, struct osd_object *obj,
2443 __u32 ino, struct lu_fid *fid,
2444 struct osd_inode_id *id)
2446 struct osd_thread_info *info = osd_oti_get(env);
2447 struct inode *inode;
2450 osd_id_gen(id, ino, OSD_OII_NOGEN);
2451 inode = osd_iget_fid(info, osd_obj2dev(obj), id, fid);
2453 RETURN(PTR_ERR(inode));
2459 static int osd_add_dot_dotdot_internal(struct osd_thread_info *info,
2461 struct inode *parent_dir,
2462 const struct dt_rec *dot_fid,
2463 const struct dt_rec *dot_dot_fid,
2464 struct osd_thandle *oth)
2466 struct ldiskfs_dentry_param *dot_ldp;
2467 struct ldiskfs_dentry_param *dot_dot_ldp;
2469 dot_dot_ldp = (struct ldiskfs_dentry_param *)info->oti_ldp2;
2470 osd_get_ldiskfs_dirent_param(dot_dot_ldp, dot_dot_fid);
2472 dot_ldp = (struct ldiskfs_dentry_param *)info->oti_ldp;
2473 dot_ldp->edp_magic = 0;
2474 return ldiskfs_add_dot_dotdot(oth->ot_handle, parent_dir,
2475 dir, dot_ldp, dot_dot_ldp);
2479 * Create an local agent inode for remote entry
2481 static struct inode *osd_create_local_agent_inode(const struct lu_env *env,
2482 struct osd_device *osd,
2483 struct osd_object *pobj,
2484 const struct lu_fid *fid,
2487 struct osd_thread_info *info = osd_oti_get(env);
2488 struct inode *local;
2489 struct osd_thandle *oh;
2494 oh = container_of(th, struct osd_thandle, ot_super);
2495 LASSERT(oh->ot_handle->h_transaction != NULL);
2497 /* FIXME: Insert index api needs to know the mode of
2498 * the remote object. Just use S_IFDIR for now */
2499 local = ldiskfs_create_inode(oh->ot_handle, pobj->oo_inode, S_IFDIR);
2500 if (IS_ERR(local)) {
2501 CERROR("%s: create local error %d\n", osd_name(osd),
2502 (int)PTR_ERR(local));
2506 /* Set special LMA flag for local agent inode */
2507 rc = osd_ea_fid_set(info, local, fid, 0, LMAI_AGENT);
2509 CERROR("%s: set LMA for "DFID" remote inode failed: rc = %d\n",
2510 osd_name(osd), PFID(fid), rc);
2511 RETURN(ERR_PTR(rc));
2514 rc = osd_add_dot_dotdot_internal(info, local, pobj->oo_inode,
2515 (const struct dt_rec *)lu_object_fid(&pobj->oo_dt.do_lu),
2516 (const struct dt_rec *)fid, oh);
2518 CERROR("%s: "DFID" add dot dotdot error: rc = %d\n",
2519 osd_name(osd), PFID(fid), rc);
2520 RETURN(ERR_PTR(rc));
2527 * Delete local agent inode for remote entry
2529 static int osd_delete_local_agent_inode(const struct lu_env *env,
2530 struct osd_device *osd,
2531 const struct lu_fid *fid,
2532 __u32 ino, struct osd_thandle *oh)
2534 struct osd_thread_info *oti = osd_oti_get(env);
2535 struct osd_inode_id *id = &oti->oti_id;
2536 struct inode *inode;
2539 id->oii_ino = le32_to_cpu(ino);
2540 id->oii_gen = OSD_OII_NOGEN;
2541 inode = osd_iget(oti, osd, id);
2542 if (IS_ERR(inode)) {
2543 CERROR("%s: iget error "DFID" id %u:%u\n", osd_name(osd),
2544 PFID(fid), id->oii_ino, id->oii_gen);
2545 RETURN(PTR_ERR(inode));
2549 mark_inode_dirty(inode);
2550 CDEBUG(D_INODE, "%s: delete remote inode "DFID" %lu\n",
2551 osd_name(osd), PFID(fid), inode->i_ino);
2557 * OSD layer object create function for interoperability mode (b11826).
2558 * This is mostly similar to osd_object_create(). Only difference being, fid is
2559 * inserted into inode ea here.
2561 * \retval 0, on success
2562 * \retval -ve, on error
2564 static int osd_object_ea_create(const struct lu_env *env, struct dt_object *dt,
2565 struct lu_attr *attr,
2566 struct dt_allocation_hint *hint,
2567 struct dt_object_format *dof,
2570 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
2571 struct osd_object *obj = osd_dt_obj(dt);
2572 struct osd_thread_info *info = osd_oti_get(env);
2577 LASSERT(osd_invariant(obj));
2578 LASSERT(!dt_object_exists(dt) && !dt_object_remote(dt));
2579 LASSERT(osd_write_locked(env, obj));
2580 LASSERT(th != NULL);
2582 if (unlikely(fid_is_acct(fid)))
2583 /* Quota files can't be created from the kernel any more,
2584 * 'tune2fs -O quota' will take care of creating them */
2587 osd_trans_exec_op(env, th, OSD_OT_CREATE);
2588 osd_trans_declare_rb(env, th, OSD_OT_REF_ADD);
2590 result = __osd_object_create(info, obj, attr, hint, dof, th);
2592 result = osd_ea_fid_set(info, obj->oo_inode, fid,
2593 fid_is_on_ost(info, osd_obj2dev(obj),
2594 fid, OI_CHECK_FLD) ?
2595 LMAC_FID_ON_OST : 0, 0);
2598 result = __osd_oi_insert(env, obj, fid, th);
2600 LASSERT(ergo(result == 0,
2601 dt_object_exists(dt) && !dt_object_remote(dt)));
2602 LINVRNT(osd_invariant(obj));
2606 static int osd_declare_object_ref_add(const struct lu_env *env,
2607 struct dt_object *dt,
2608 struct thandle *handle)
2610 struct osd_thandle *oh;
2612 /* it's possible that object doesn't exist yet */
2613 LASSERT(handle != NULL);
2615 oh = container_of0(handle, struct osd_thandle, ot_super);
2616 LASSERT(oh->ot_handle == NULL);
2618 osd_trans_declare_op(env, oh, OSD_OT_REF_ADD,
2619 osd_dto_credits_noquota[DTO_ATTR_SET_BASE]);
2625 * Concurrency: @dt is write locked.
2627 static int osd_object_ref_add(const struct lu_env *env,
2628 struct dt_object *dt, struct thandle *th)
2630 struct osd_object *obj = osd_dt_obj(dt);
2631 struct inode *inode = obj->oo_inode;
2632 struct osd_thandle *oh;
2635 LINVRNT(osd_invariant(obj));
2636 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2637 LASSERT(osd_write_locked(env, obj));
2638 LASSERT(th != NULL);
2640 oh = container_of0(th, struct osd_thandle, ot_super);
2641 LASSERT(oh->ot_handle != NULL);
2643 osd_trans_exec_op(env, th, OSD_OT_REF_ADD);
2646 * The DIR_NLINK feature allows directories to exceed LDISKFS_LINK_MAX
2647 * (65000) subdirectories by storing "1" in i_nlink if the link count
2648 * would otherwise overflow. Directory tranversal tools understand
2649 * that (st_nlink == 1) indicates that the filesystem dose not track
2650 * hard links count on the directory, and will not abort subdirectory
2651 * scanning early once (st_nlink - 2) subdirs have been found.
2653 * This also has to properly handle the case of inodes with nlink == 0
2654 * in case they are being linked into the PENDING directory
2656 spin_lock(&obj->oo_guard);
2657 ldiskfs_inc_count(oh->ot_handle, inode);
2658 LASSERT(inode->i_nlink <= LDISKFS_LINK_MAX);
2659 spin_unlock(&obj->oo_guard);
2661 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2662 LINVRNT(osd_invariant(obj));
2667 static int osd_declare_object_ref_del(const struct lu_env *env,
2668 struct dt_object *dt,
2669 struct thandle *handle)
2671 struct osd_thandle *oh;
2673 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2674 LASSERT(handle != NULL);
2676 oh = container_of0(handle, struct osd_thandle, ot_super);
2677 LASSERT(oh->ot_handle == NULL);
2679 osd_trans_declare_op(env, oh, OSD_OT_REF_DEL,
2680 osd_dto_credits_noquota[DTO_ATTR_SET_BASE]);
2686 * Concurrency: @dt is write locked.
2688 static int osd_object_ref_del(const struct lu_env *env, struct dt_object *dt,
2691 struct osd_object *obj = osd_dt_obj(dt);
2692 struct inode *inode = obj->oo_inode;
2693 struct osd_device *osd = osd_dev(dt->do_lu.lo_dev);
2694 struct osd_thandle *oh;
2696 LINVRNT(osd_invariant(obj));
2697 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2698 LASSERT(osd_write_locked(env, obj));
2699 LASSERT(th != NULL);
2701 oh = container_of0(th, struct osd_thandle, ot_super);
2702 LASSERT(oh->ot_handle != NULL);
2704 osd_trans_exec_op(env, th, OSD_OT_REF_DEL);
2706 spin_lock(&obj->oo_guard);
2707 /* That can be result of upgrade from old Lustre version and
2708 * applied only to local files. Just skip this ref_del call.
2709 * ext4_unlink() only treats this as a warning, don't LASSERT here.*/
2710 if (inode->i_nlink == 0) {
2711 CDEBUG_LIMIT(fid_is_norm(lu_object_fid(&dt->do_lu)) ?
2712 D_ERROR : D_INODE, "%s: nlink == 0 on "DFID
2713 ", maybe an upgraded file? (LU-3915)\n",
2714 osd_name(osd), PFID(lu_object_fid(&dt->do_lu)));
2715 spin_unlock(&obj->oo_guard);
2719 ldiskfs_dec_count(oh->ot_handle, inode);
2720 spin_unlock(&obj->oo_guard);
2722 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2723 LINVRNT(osd_invariant(obj));
2729 * Get the 64-bit version for an inode.
2731 static int osd_object_version_get(const struct lu_env *env,
2732 struct dt_object *dt, dt_obj_version_t *ver)
2734 struct inode *inode = osd_dt_obj(dt)->oo_inode;
2736 CDEBUG(D_INODE, "Get version "LPX64" for inode %lu\n",
2737 LDISKFS_I(inode)->i_fs_version, inode->i_ino);
2738 *ver = LDISKFS_I(inode)->i_fs_version;
2743 * Concurrency: @dt is read locked.
2745 static int osd_xattr_get(const struct lu_env *env, struct dt_object *dt,
2746 struct lu_buf *buf, const char *name,
2747 struct lustre_capa *capa)
2749 struct osd_object *obj = osd_dt_obj(dt);
2750 struct inode *inode = obj->oo_inode;
2751 struct osd_thread_info *info = osd_oti_get(env);
2752 struct dentry *dentry = &info->oti_obj_dentry;
2754 /* version get is not real XATTR but uses xattr API */
2755 if (strcmp(name, XATTR_NAME_VERSION) == 0) {
2756 /* for version we are just using xattr API but change inode
2758 LASSERT(buf->lb_len == sizeof(dt_obj_version_t));
2759 osd_object_version_get(env, dt, buf->lb_buf);
2760 return sizeof(dt_obj_version_t);
2763 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2764 LASSERT(inode->i_op != NULL && inode->i_op->getxattr != NULL);
2766 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_READ))
2769 return __osd_xattr_get(inode, dentry, name, buf->lb_buf, buf->lb_len);
2773 static int osd_declare_xattr_set(const struct lu_env *env,
2774 struct dt_object *dt,
2775 const struct lu_buf *buf, const char *name,
2776 int fl, struct thandle *handle)
2778 struct osd_thandle *oh;
2780 LASSERT(handle != NULL);
2782 oh = container_of0(handle, struct osd_thandle, ot_super);
2783 LASSERT(oh->ot_handle == NULL);
2785 osd_trans_declare_op(env, oh, OSD_OT_XATTR_SET,
2786 strcmp(name, XATTR_NAME_VERSION) == 0 ?
2787 osd_dto_credits_noquota[DTO_ATTR_SET_BASE] :
2788 osd_dto_credits_noquota[DTO_XATTR_SET]);
2794 * Set the 64-bit version for object
2796 static void osd_object_version_set(const struct lu_env *env,
2797 struct dt_object *dt,
2798 dt_obj_version_t *new_version)
2800 struct inode *inode = osd_dt_obj(dt)->oo_inode;
2802 CDEBUG(D_INODE, "Set version "LPX64" (old "LPX64") for inode %lu\n",
2803 *new_version, LDISKFS_I(inode)->i_fs_version, inode->i_ino);
2805 LDISKFS_I(inode)->i_fs_version = *new_version;
2806 /** Version is set after all inode operations are finished,
2807 * so we should mark it dirty here */
2808 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2812 * Concurrency: @dt is write locked.
2814 static int osd_xattr_set(const struct lu_env *env, struct dt_object *dt,
2815 const struct lu_buf *buf, const char *name, int fl,
2816 struct thandle *handle, struct lustre_capa *capa)
2818 struct osd_object *obj = osd_dt_obj(dt);
2819 struct inode *inode = obj->oo_inode;
2820 struct osd_thread_info *info = osd_oti_get(env);
2824 LASSERT(handle != NULL);
2826 /* version set is not real XATTR */
2827 if (strcmp(name, XATTR_NAME_VERSION) == 0) {
2828 /* for version we are just using xattr API but change inode
2830 LASSERT(buf->lb_len == sizeof(dt_obj_version_t));
2831 osd_object_version_set(env, dt, buf->lb_buf);
2832 return sizeof(dt_obj_version_t);
2835 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_WRITE))
2838 osd_trans_exec_op(env, handle, OSD_OT_XATTR_SET);
2839 if (fl & LU_XATTR_REPLACE)
2840 fs_flags |= XATTR_REPLACE;
2842 if (fl & LU_XATTR_CREATE)
2843 fs_flags |= XATTR_CREATE;
2845 return __osd_xattr_set(info, inode, name, buf->lb_buf, buf->lb_len,
2850 * Concurrency: @dt is read locked.
2852 static int osd_xattr_list(const struct lu_env *env, struct dt_object *dt,
2853 struct lu_buf *buf, struct lustre_capa *capa)
2855 struct osd_object *obj = osd_dt_obj(dt);
2856 struct inode *inode = obj->oo_inode;
2857 struct osd_thread_info *info = osd_oti_get(env);
2858 struct dentry *dentry = &info->oti_obj_dentry;
2860 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2861 LASSERT(inode->i_op != NULL && inode->i_op->listxattr != NULL);
2862 LASSERT(osd_read_locked(env, obj) || osd_write_locked(env, obj));
2864 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_READ))
2867 dentry->d_inode = inode;
2868 dentry->d_sb = inode->i_sb;
2869 return inode->i_op->listxattr(dentry, buf->lb_buf, buf->lb_len);
2872 static int osd_declare_xattr_del(const struct lu_env *env,
2873 struct dt_object *dt, const char *name,
2874 struct thandle *handle)
2876 struct osd_thandle *oh;
2878 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2879 LASSERT(handle != NULL);
2881 oh = container_of0(handle, struct osd_thandle, ot_super);
2882 LASSERT(oh->ot_handle == NULL);
2884 osd_trans_declare_op(env, oh, OSD_OT_XATTR_SET,
2885 osd_dto_credits_noquota[DTO_XATTR_SET]);
2891 * Concurrency: @dt is write locked.
2893 static int osd_xattr_del(const struct lu_env *env, struct dt_object *dt,
2894 const char *name, struct thandle *handle,
2895 struct lustre_capa *capa)
2897 struct osd_object *obj = osd_dt_obj(dt);
2898 struct inode *inode = obj->oo_inode;
2899 struct osd_thread_info *info = osd_oti_get(env);
2900 struct dentry *dentry = &info->oti_obj_dentry;
2903 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2904 LASSERT(inode->i_op != NULL && inode->i_op->removexattr != NULL);
2905 LASSERT(handle != NULL);
2907 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_WRITE))
2910 osd_trans_exec_op(env, handle, OSD_OT_XATTR_SET);
2912 ll_vfs_dq_init(inode);
2913 dentry->d_inode = inode;
2914 dentry->d_sb = inode->i_sb;
2915 rc = inode->i_op->removexattr(dentry, name);
2919 static struct obd_capa *osd_capa_get(const struct lu_env *env,
2920 struct dt_object *dt,
2921 struct lustre_capa *old, __u64 opc)
2923 struct osd_thread_info *info = osd_oti_get(env);
2924 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
2925 struct osd_object *obj = osd_dt_obj(dt);
2926 struct osd_device *osd = osd_obj2dev(obj);
2927 struct lustre_capa_key *key = &info->oti_capa_key;
2928 struct lustre_capa *capa = &info->oti_capa;
2929 struct obd_capa *oc;
2930 struct lu_capainfo *lci;
2934 if (!osd->od_fl_capa)
2935 RETURN(ERR_PTR(-ENOENT));
2937 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2938 LINVRNT(osd_invariant(obj));
2940 /* renewal sanity check */
2941 if (old && osd_object_auth(env, dt, old, opc))
2942 RETURN(ERR_PTR(-EACCES));
2944 lci = lu_capainfo_get(env);
2945 if (unlikely(lci == NULL))
2946 RETURN(ERR_PTR(-ENOENT));
2948 switch (lci->lci_auth) {
2952 capa->lc_uid = obj->oo_inode->i_uid;
2953 capa->lc_gid = obj->oo_inode->i_gid;
2954 capa->lc_flags = LC_ID_PLAIN;
2956 case LC_ID_CONVERT: {
2959 s[0] = obj->oo_inode->i_uid;
2960 cfs_get_random_bytes(&(s[1]), sizeof(__u32));
2961 s[2] = obj->oo_inode->i_gid;
2962 cfs_get_random_bytes(&(s[3]), sizeof(__u32));
2963 rc = capa_encrypt_id(d, s, key->lk_key, CAPA_HMAC_KEY_MAX_LEN);
2965 RETURN(ERR_PTR(rc));
2967 capa->lc_uid = ((__u64)d[1] << 32) | d[0];
2968 capa->lc_gid = ((__u64)d[3] << 32) | d[2];
2969 capa->lc_flags = LC_ID_CONVERT;
2973 RETURN(ERR_PTR(-EINVAL));
2976 capa->lc_fid = *fid;
2978 capa->lc_flags |= osd->od_capa_alg << 24;
2979 capa->lc_timeout = osd->od_capa_timeout;
2980 capa->lc_expiry = 0;
2982 oc = capa_lookup(osd->od_capa_hash, capa, 1);
2984 LASSERT(!capa_is_expired(oc));
2988 spin_lock(&capa_lock);
2989 *key = osd->od_capa_keys[1];
2990 spin_unlock(&capa_lock);
2992 capa->lc_keyid = key->lk_keyid;
2993 capa->lc_expiry = cfs_time_current_sec() + osd->od_capa_timeout;
2995 rc = capa_hmac(capa->lc_hmac, capa, key->lk_key);
2997 DEBUG_CAPA(D_ERROR, capa, "HMAC failed: %d for", rc);
2998 RETURN(ERR_PTR(rc));
3001 oc = capa_add(osd->od_capa_hash, capa);
3005 static int osd_object_sync(const struct lu_env *env, struct dt_object *dt)
3007 struct osd_object *obj = osd_dt_obj(dt);
3008 struct inode *inode = obj->oo_inode;
3009 struct osd_thread_info *info = osd_oti_get(env);
3010 struct dentry *dentry = &info->oti_obj_dentry;
3011 struct file *file = &info->oti_file;
3016 dentry->d_inode = inode;
3017 dentry->d_sb = inode->i_sb;
3018 file->f_dentry = dentry;
3019 file->f_mapping = inode->i_mapping;
3020 file->f_op = inode->i_fop;
3021 set_file_inode(file, inode);
3022 #ifndef HAVE_FILE_FSYNC_4ARGS
3023 mutex_lock(&inode->i_mutex);
3025 rc = do_fsync(file, 0);
3026 #ifndef HAVE_FILE_FSYNC_4ARGS
3027 mutex_unlock(&inode->i_mutex);
3032 static int osd_data_get(const struct lu_env *env, struct dt_object *dt,
3035 struct osd_object *obj = osd_dt_obj(dt);
3038 *data = (void *)obj->oo_inode;
3046 static int osd_iam_index_probe(const struct lu_env *env, struct osd_object *o,
3047 const struct dt_index_features *feat)
3049 struct iam_descr *descr;
3051 if (osd_object_is_root(o))
3052 return feat == &dt_directory_features;
3054 LASSERT(o->oo_dir != NULL);
3056 descr = o->oo_dir->od_container.ic_descr;
3057 if (feat == &dt_directory_features) {
3058 if (descr->id_rec_size == sizeof(struct osd_fid_pack))
3064 feat->dif_keysize_min <= descr->id_key_size &&
3065 descr->id_key_size <= feat->dif_keysize_max &&
3066 feat->dif_recsize_min <= descr->id_rec_size &&
3067 descr->id_rec_size <= feat->dif_recsize_max &&
3068 !(feat->dif_flags & (DT_IND_VARKEY |
3069 DT_IND_VARREC | DT_IND_NONUNQ)) &&
3070 ergo(feat->dif_flags & DT_IND_UPDATE,
3071 1 /* XXX check that object (and file system) is
3076 static int osd_iam_container_init(const struct lu_env *env,
3077 struct osd_object *obj,
3078 struct osd_directory *dir)
3080 struct iam_container *bag = &dir->od_container;
3083 result = iam_container_init(bag, &dir->od_descr, obj->oo_inode);
3087 result = iam_container_setup(bag);
3089 obj->oo_dt.do_index_ops = &osd_index_iam_ops;
3091 iam_container_fini(bag);
3098 * Concurrency: no external locking is necessary.
3100 static int osd_index_try(const struct lu_env *env, struct dt_object *dt,
3101 const struct dt_index_features *feat)
3105 struct osd_object *obj = osd_dt_obj(dt);
3107 LINVRNT(osd_invariant(obj));
3109 if (osd_object_is_root(obj)) {
3110 dt->do_index_ops = &osd_index_ea_ops;
3112 } else if (feat == &dt_directory_features) {
3113 dt->do_index_ops = &osd_index_ea_ops;
3114 if (obj->oo_inode != NULL && S_ISDIR(obj->oo_inode->i_mode))
3119 } else if (unlikely(feat == &dt_otable_features)) {
3120 dt->do_index_ops = &osd_otable_ops;
3122 } else if (unlikely(feat == &dt_acct_features)) {
3123 dt->do_index_ops = &osd_acct_index_ops;
3126 } else if (!osd_has_index(obj)) {
3127 struct osd_directory *dir;
3132 spin_lock(&obj->oo_guard);
3133 if (obj->oo_dir == NULL)
3137 * Concurrent thread allocated container data.
3140 spin_unlock(&obj->oo_guard);
3142 * Now, that we have container data, serialize its
3145 down_write(&obj->oo_ext_idx_sem);
3147 * recheck under lock.
3149 if (!osd_has_index(obj))
3150 result = osd_iam_container_init(env, obj, dir);
3153 up_write(&obj->oo_ext_idx_sem);
3161 if (result == 0 && skip_iam == 0) {
3162 if (!osd_iam_index_probe(env, obj, feat))
3165 LINVRNT(osd_invariant(obj));
3167 if (result == 0 && is_quota_glb_feat(feat) &&
3168 fid_seq(lu_object_fid(&dt->do_lu)) == FID_SEQ_QUOTA_GLB)
3169 result = osd_quota_migration(env, dt, feat);
3174 static int osd_otable_it_attr_get(const struct lu_env *env,
3175 struct dt_object *dt,
3176 struct lu_attr *attr,
3177 struct lustre_capa *capa)
3183 static const struct dt_object_operations osd_obj_ops = {
3184 .do_read_lock = osd_object_read_lock,
3185 .do_write_lock = osd_object_write_lock,
3186 .do_read_unlock = osd_object_read_unlock,
3187 .do_write_unlock = osd_object_write_unlock,
3188 .do_write_locked = osd_object_write_locked,
3189 .do_attr_get = osd_attr_get,
3190 .do_declare_attr_set = osd_declare_attr_set,
3191 .do_attr_set = osd_attr_set,
3192 .do_ah_init = osd_ah_init,
3193 .do_declare_create = osd_declare_object_create,
3194 .do_create = osd_object_create,
3195 .do_declare_destroy = osd_declare_object_destroy,
3196 .do_destroy = osd_object_destroy,
3197 .do_index_try = osd_index_try,
3198 .do_declare_ref_add = osd_declare_object_ref_add,
3199 .do_ref_add = osd_object_ref_add,
3200 .do_declare_ref_del = osd_declare_object_ref_del,
3201 .do_ref_del = osd_object_ref_del,
3202 .do_xattr_get = osd_xattr_get,
3203 .do_declare_xattr_set = osd_declare_xattr_set,
3204 .do_xattr_set = osd_xattr_set,
3205 .do_declare_xattr_del = osd_declare_xattr_del,
3206 .do_xattr_del = osd_xattr_del,
3207 .do_xattr_list = osd_xattr_list,
3208 .do_capa_get = osd_capa_get,
3209 .do_object_sync = osd_object_sync,
3210 .do_data_get = osd_data_get,
3214 * dt_object_operations for interoperability mode
3215 * (i.e. to run 2.0 mds on 1.8 disk) (b11826)
3217 static const struct dt_object_operations osd_obj_ea_ops = {
3218 .do_read_lock = osd_object_read_lock,
3219 .do_write_lock = osd_object_write_lock,
3220 .do_read_unlock = osd_object_read_unlock,
3221 .do_write_unlock = osd_object_write_unlock,
3222 .do_write_locked = osd_object_write_locked,
3223 .do_attr_get = osd_attr_get,
3224 .do_declare_attr_set = osd_declare_attr_set,
3225 .do_attr_set = osd_attr_set,
3226 .do_ah_init = osd_ah_init,
3227 .do_declare_create = osd_declare_object_create,
3228 .do_create = osd_object_ea_create,
3229 .do_declare_destroy = osd_declare_object_destroy,
3230 .do_destroy = osd_object_destroy,
3231 .do_index_try = osd_index_try,
3232 .do_declare_ref_add = osd_declare_object_ref_add,
3233 .do_ref_add = osd_object_ref_add,
3234 .do_declare_ref_del = osd_declare_object_ref_del,
3235 .do_ref_del = osd_object_ref_del,
3236 .do_xattr_get = osd_xattr_get,
3237 .do_declare_xattr_set = osd_declare_xattr_set,
3238 .do_xattr_set = osd_xattr_set,
3239 .do_declare_xattr_del = osd_declare_xattr_del,
3240 .do_xattr_del = osd_xattr_del,
3241 .do_xattr_list = osd_xattr_list,
3242 .do_capa_get = osd_capa_get,
3243 .do_object_sync = osd_object_sync,
3244 .do_data_get = osd_data_get,
3247 static const struct dt_object_operations osd_obj_otable_it_ops = {
3248 .do_attr_get = osd_otable_it_attr_get,
3249 .do_index_try = osd_index_try,
3252 static int osd_index_declare_iam_delete(const struct lu_env *env,
3253 struct dt_object *dt,
3254 const struct dt_key *key,
3255 struct thandle *handle)
3257 struct osd_thandle *oh;
3259 oh = container_of0(handle, struct osd_thandle, ot_super);
3260 LASSERT(oh->ot_handle == NULL);
3262 osd_trans_declare_op(env, oh, OSD_OT_DELETE,
3263 osd_dto_credits_noquota[DTO_INDEX_DELETE]);
3269 * delete a (key, value) pair from index \a dt specified by \a key
3271 * \param dt osd index object
3272 * \param key key for index
3273 * \param rec record reference
3274 * \param handle transaction handler
3277 * \retval -ve failure
3280 static int osd_index_iam_delete(const struct lu_env *env, struct dt_object *dt,
3281 const struct dt_key *key,
3282 struct thandle *handle,
3283 struct lustre_capa *capa)
3285 struct osd_thread_info *oti = osd_oti_get(env);
3286 struct osd_object *obj = osd_dt_obj(dt);
3287 struct osd_thandle *oh;
3288 struct iam_path_descr *ipd;
3289 struct iam_container *bag = &obj->oo_dir->od_container;
3294 LINVRNT(osd_invariant(obj));
3295 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3296 LASSERT(bag->ic_object == obj->oo_inode);
3297 LASSERT(handle != NULL);
3299 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_DELETE))
3302 osd_trans_exec_op(env, handle, OSD_OT_DELETE);
3304 ipd = osd_idx_ipd_get(env, bag);
3305 if (unlikely(ipd == NULL))
3308 oh = container_of0(handle, struct osd_thandle, ot_super);
3309 LASSERT(oh->ot_handle != NULL);
3310 LASSERT(oh->ot_handle->h_transaction != NULL);
3312 if (fid_is_quota(lu_object_fid(&dt->do_lu))) {
3313 /* swab quota uid/gid provided by caller */
3314 oti->oti_quota_id = cpu_to_le64(*((__u64 *)key));
3315 key = (const struct dt_key *)&oti->oti_quota_id;
3318 rc = iam_delete(oh->ot_handle, bag, (const struct iam_key *)key, ipd);
3319 osd_ipd_put(env, bag, ipd);
3320 LINVRNT(osd_invariant(obj));
3324 static int osd_index_declare_ea_delete(const struct lu_env *env,
3325 struct dt_object *dt,
3326 const struct dt_key *key,
3327 struct thandle *handle)
3329 struct osd_thandle *oh;
3330 struct inode *inode;
3334 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3335 LASSERT(handle != NULL);
3337 oh = container_of0(handle, struct osd_thandle, ot_super);
3338 LASSERT(oh->ot_handle == NULL);
3340 osd_trans_declare_op(env, oh, OSD_OT_DELETE,
3341 osd_dto_credits_noquota[DTO_INDEX_DELETE]);
3343 inode = osd_dt_obj(dt)->oo_inode;
3346 rc = osd_declare_inode_qid(env, inode->i_uid, inode->i_gid, 0, oh,
3347 true, true, NULL, false);
3351 static inline int osd_get_fid_from_dentry(struct ldiskfs_dir_entry_2 *de,
3354 struct osd_fid_pack *rec;
3357 if (de->file_type & LDISKFS_DIRENT_LUFID) {
3358 rec = (struct osd_fid_pack *) (de->name + de->name_len + 1);
3359 rc = osd_fid_unpack((struct lu_fid *)fid, rec);
3364 static int osd_remote_fid(const struct lu_env *env, struct osd_device *osd,
3369 /* FID seqs not in FLDB, must be local seq */
3370 if (unlikely(!fid_seq_in_fldb(fid_seq(fid))))
3373 if (osd_seq_exists(env, osd, fid_seq(fid)))
3380 * Index delete function for interoperability mode (b11826).
3381 * It will remove the directory entry added by osd_index_ea_insert().
3382 * This entry is needed to maintain name->fid mapping.
3384 * \param key, key i.e. file entry to be deleted
3386 * \retval 0, on success
3387 * \retval -ve, on error
3389 static int osd_index_ea_delete(const struct lu_env *env, struct dt_object *dt,
3390 const struct dt_key *key,
3391 struct thandle *handle,
3392 struct lustre_capa *capa)
3394 struct osd_object *obj = osd_dt_obj(dt);
3395 struct inode *dir = obj->oo_inode;
3396 struct dentry *dentry;
3397 struct osd_thandle *oh;
3398 struct ldiskfs_dir_entry_2 *de = NULL;
3399 struct buffer_head *bh;
3400 struct htree_lock *hlock = NULL;
3401 struct lu_fid *fid = &osd_oti_get(env)->oti_fid;
3402 struct osd_device *osd = osd_dev(dt->do_lu.lo_dev);
3406 LINVRNT(osd_invariant(obj));
3407 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3408 LASSERT(handle != NULL);
3410 osd_trans_exec_op(env, handle, OSD_OT_DELETE);
3412 oh = container_of(handle, struct osd_thandle, ot_super);
3413 LASSERT(oh->ot_handle != NULL);
3414 LASSERT(oh->ot_handle->h_transaction != NULL);
3416 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_DELETE))
3419 ll_vfs_dq_init(dir);
3420 dentry = osd_child_dentry_get(env, obj,
3421 (char *)key, strlen((char *)key));
3423 if (obj->oo_hl_head != NULL) {
3424 hlock = osd_oti_get(env)->oti_hlock;
3425 ldiskfs_htree_lock(hlock, obj->oo_hl_head,
3426 dir, LDISKFS_HLOCK_DEL);
3428 down_write(&obj->oo_ext_idx_sem);
3431 bh = osd_ldiskfs_find_entry(dir, &dentry->d_name, &de, NULL, hlock);
3435 /* If this is not the ".." entry, it might be a remote DNE
3436 * entry and we need to check if the FID is for a remote
3437 * MDT. If the FID is not in the directory entry (e.g.
3438 * upgraded 1.8 filesystem without dirdata enabled) then
3439 * we need to get the FID from the LMA. For a remote directory
3440 * there HAS to be an LMA, it cannot be an IGIF inode in this
3443 * Delete the entry before the agent inode in order to
3444 * simplify error handling. At worst an error after deleting
3445 * the entry first might leak the agent inode afterward. The
3446 * reverse would need filesystem abort in case of error deleting
3447 * the entry after the agent had been removed, or leave a
3448 * dangling entry pointing at a random inode. */
3449 if (strcmp((char *)key, dotdot) != 0) {
3450 LASSERT(de != NULL);
3451 rc = osd_get_fid_from_dentry(de, (struct dt_rec *)fid);
3452 /* If Fid is not in dentry, try to get it from LMA */
3453 if (rc == -ENODATA) {
3454 struct osd_inode_id *id;
3455 struct inode *inode;
3457 /* Before trying to get fid from the inode,
3458 * check whether the inode is valid.
3460 * If the inode has been deleted, do not go
3461 * ahead to do osd_ea_fid_get, which will set
3462 * the inode to bad inode, which might cause
3463 * the inode to be deleted uncorrectly */
3464 inode = ldiskfs_iget(osd_sb(osd),
3465 le32_to_cpu(de->inode));
3466 if (IS_ERR(inode)) {
3467 CDEBUG(D_INODE, "%s: "DFID"get inode"
3468 "error.\n", osd_name(osd),
3470 rc = PTR_ERR(inode);
3472 if (likely(inode->i_nlink != 0)) {
3473 id = &osd_oti_get(env)->oti_id;
3474 rc = osd_ea_fid_get(env, obj,
3475 le32_to_cpu(de->inode),
3478 CDEBUG(D_INFO, "%s: %u "DFID
3481 le32_to_cpu(de->inode),
3489 unlikely(osd_remote_fid(env, osd, fid)))
3490 /* Need to delete agent inode */
3491 ino = le32_to_cpu(de->inode);
3493 rc = ldiskfs_delete_entry(oh->ot_handle, dir, de, bh);
3495 if (rc == 0 && unlikely(ino != 0)) {
3496 rc = osd_delete_local_agent_inode(env, osd, fid, ino,
3499 CERROR("%s: del local inode "DFID": rc = %d\n",
3500 osd_name(osd), PFID(fid), rc);
3506 ldiskfs_htree_unlock(hlock);
3508 up_write(&obj->oo_ext_idx_sem);
3513 /* For inode on the remote MDT, .. will point to
3514 * /Agent directory, Check whether it needs to delete
3515 * from agent directory */
3516 if (unlikely(strcmp((char *)key, dotdot) == 0)) {
3517 rc = osd_delete_from_remote_parent(env, osd_obj2dev(obj), obj,
3519 if (rc != 0 && rc != -ENOENT) {
3520 CERROR("%s: delete agent inode "DFID": rc = %d\n",
3521 osd_name(osd), PFID(fid), rc);
3531 LASSERT(osd_invariant(obj));
3536 * Lookup index for \a key and copy record to \a rec.
3538 * \param dt osd index object
3539 * \param key key for index
3540 * \param rec record reference
3542 * \retval +ve success : exact mach
3543 * \retval 0 return record with key not greater than \a key
3544 * \retval -ve failure
3546 static int osd_index_iam_lookup(const struct lu_env *env, struct dt_object *dt,
3547 struct dt_rec *rec, const struct dt_key *key,
3548 struct lustre_capa *capa)
3550 struct osd_object *obj = osd_dt_obj(dt);
3551 struct iam_path_descr *ipd;
3552 struct iam_container *bag = &obj->oo_dir->od_container;
3553 struct osd_thread_info *oti = osd_oti_get(env);
3554 struct iam_iterator *it = &oti->oti_idx_it;
3555 struct iam_rec *iam_rec;
3560 LASSERT(osd_invariant(obj));
3561 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3562 LASSERT(bag->ic_object == obj->oo_inode);
3564 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_LOOKUP))
3567 ipd = osd_idx_ipd_get(env, bag);
3571 /* got ipd now we can start iterator. */
3572 iam_it_init(it, bag, 0, ipd);
3574 if (fid_is_quota(lu_object_fid(&dt->do_lu))) {
3575 /* swab quota uid/gid provided by caller */
3576 oti->oti_quota_id = cpu_to_le64(*((__u64 *)key));
3577 key = (const struct dt_key *)&oti->oti_quota_id;
3580 rc = iam_it_get(it, (struct iam_key *)key);
3582 if (S_ISDIR(obj->oo_inode->i_mode))
3583 iam_rec = (struct iam_rec *)oti->oti_ldp;
3585 iam_rec = (struct iam_rec *) rec;
3587 iam_reccpy(&it->ii_path.ip_leaf, (struct iam_rec *)iam_rec);
3589 if (S_ISDIR(obj->oo_inode->i_mode))
3590 osd_fid_unpack((struct lu_fid *) rec,
3591 (struct osd_fid_pack *)iam_rec);
3592 else if (fid_is_quota(lu_object_fid(&dt->do_lu)))
3593 osd_quota_unpack(obj, rec);
3598 osd_ipd_put(env, bag, ipd);
3600 LINVRNT(osd_invariant(obj));
3605 static int osd_index_declare_iam_insert(const struct lu_env *env,
3606 struct dt_object *dt,
3607 const struct dt_rec *rec,
3608 const struct dt_key *key,
3609 struct thandle *handle)
3611 struct osd_thandle *oh;
3613 LASSERT(handle != NULL);
3615 oh = container_of0(handle, struct osd_thandle, ot_super);
3616 LASSERT(oh->ot_handle == NULL);
3618 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
3619 osd_dto_credits_noquota[DTO_INDEX_INSERT]);
3625 * Inserts (key, value) pair in \a dt index object.
3627 * \param dt osd index object
3628 * \param key key for index
3629 * \param rec record reference
3630 * \param th transaction handler
3633 * \retval -ve failure
3635 static int osd_index_iam_insert(const struct lu_env *env, struct dt_object *dt,
3636 const struct dt_rec *rec,
3637 const struct dt_key *key, struct thandle *th,
3638 struct lustre_capa *capa, int ignore_quota)
3640 struct osd_object *obj = osd_dt_obj(dt);
3641 struct iam_path_descr *ipd;
3642 struct osd_thandle *oh;
3643 struct iam_container *bag = &obj->oo_dir->od_container;
3644 struct osd_thread_info *oti = osd_oti_get(env);
3645 struct iam_rec *iam_rec;
3650 LINVRNT(osd_invariant(obj));
3651 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3652 LASSERT(bag->ic_object == obj->oo_inode);
3653 LASSERT(th != NULL);
3655 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_INSERT))
3658 osd_trans_exec_op(env, th, OSD_OT_INSERT);
3660 ipd = osd_idx_ipd_get(env, bag);
3661 if (unlikely(ipd == NULL))
3664 oh = container_of0(th, struct osd_thandle, ot_super);
3665 LASSERT(oh->ot_handle != NULL);
3666 LASSERT(oh->ot_handle->h_transaction != NULL);
3667 if (S_ISDIR(obj->oo_inode->i_mode)) {
3668 iam_rec = (struct iam_rec *)oti->oti_ldp;
3669 osd_fid_pack((struct osd_fid_pack *)iam_rec, rec, &oti->oti_fid);
3670 } else if (fid_is_quota(lu_object_fid(&dt->do_lu))) {
3671 /* pack quota uid/gid */
3672 oti->oti_quota_id = cpu_to_le64(*((__u64 *)key));
3673 key = (const struct dt_key *)&oti->oti_quota_id;
3674 /* pack quota record */
3675 rec = osd_quota_pack(obj, rec, &oti->oti_quota_rec);
3676 iam_rec = (struct iam_rec *)rec;
3678 iam_rec = (struct iam_rec *)rec;
3681 rc = iam_insert(oh->ot_handle, bag, (const struct iam_key *)key,
3683 osd_ipd_put(env, bag, ipd);
3684 LINVRNT(osd_invariant(obj));
3689 * Calls ldiskfs_add_entry() to add directory entry
3690 * into the directory. This is required for
3691 * interoperability mode (b11826)
3693 * \retval 0, on success
3694 * \retval -ve, on error
3696 static int __osd_ea_add_rec(struct osd_thread_info *info,
3697 struct osd_object *pobj, struct inode *cinode,
3698 const char *name, const struct dt_rec *fid,
3699 struct htree_lock *hlock, struct thandle *th)
3701 struct ldiskfs_dentry_param *ldp;
3702 struct dentry *child;
3703 struct osd_thandle *oth;
3706 oth = container_of(th, struct osd_thandle, ot_super);
3707 LASSERT(oth->ot_handle != NULL);
3708 LASSERT(oth->ot_handle->h_transaction != NULL);
3709 LASSERT(pobj->oo_inode);
3711 ldp = (struct ldiskfs_dentry_param *)info->oti_ldp;
3712 if (unlikely(pobj->oo_inode ==
3713 osd_sb(osd_obj2dev(pobj))->s_root->d_inode))
3716 osd_get_ldiskfs_dirent_param(ldp, fid);
3717 child = osd_child_dentry_get(info->oti_env, pobj, name, strlen(name));
3718 child->d_fsdata = (void *)ldp;
3719 ll_vfs_dq_init(pobj->oo_inode);
3720 rc = osd_ldiskfs_add_entry(oth->ot_handle, child, cinode, hlock);
3726 * Calls ldiskfs_add_dot_dotdot() to add dot and dotdot entries
3727 * into the directory.Also sets flags into osd object to
3728 * indicate dot and dotdot are created. This is required for
3729 * interoperability mode (b11826)
3731 * \param dir directory for dot and dotdot fixup.
3732 * \param obj child object for linking
3734 * \retval 0, on success
3735 * \retval -ve, on error
3737 static int osd_add_dot_dotdot(struct osd_thread_info *info,
3738 struct osd_object *dir,
3739 struct inode *parent_dir, const char *name,
3740 const struct dt_rec *dot_fid,
3741 const struct dt_rec *dot_dot_fid,
3744 struct inode *inode = dir->oo_inode;
3745 struct osd_thandle *oth;
3748 oth = container_of(th, struct osd_thandle, ot_super);
3749 LASSERT(oth->ot_handle->h_transaction != NULL);
3750 LASSERT(S_ISDIR(dir->oo_inode->i_mode));
3752 if (strcmp(name, dot) == 0) {
3753 if (dir->oo_compat_dot_created) {
3756 LASSERT(inode == parent_dir);
3757 dir->oo_compat_dot_created = 1;
3760 } else if (strcmp(name, dotdot) == 0) {
3761 if (!dir->oo_compat_dot_created)
3763 /* in case of rename, dotdot is already created */
3764 if (dir->oo_compat_dotdot_created) {
3765 return __osd_ea_add_rec(info, dir, parent_dir, name,
3766 dot_dot_fid, NULL, th);
3769 result = osd_add_dot_dotdot_internal(info, dir->oo_inode,
3770 parent_dir, dot_fid,
3773 dir->oo_compat_dotdot_created = 1;
3781 * It will call the appropriate osd_add* function and return the
3782 * value, return by respective functions.
3784 static int osd_ea_add_rec(const struct lu_env *env, struct osd_object *pobj,
3785 struct inode *cinode, const char *name,
3786 const struct dt_rec *fid, struct thandle *th)
3788 struct osd_thread_info *info = osd_oti_get(env);
3789 struct htree_lock *hlock;
3792 hlock = pobj->oo_hl_head != NULL ? info->oti_hlock : NULL;
3794 if (name[0] == '.' && (name[1] == '\0' || (name[1] == '.' &&
3796 if (hlock != NULL) {
3797 ldiskfs_htree_lock(hlock, pobj->oo_hl_head,
3800 down_write(&pobj->oo_ext_idx_sem);
3802 rc = osd_add_dot_dotdot(info, pobj, cinode, name,
3803 (struct dt_rec *)lu_object_fid(&pobj->oo_dt.do_lu),
3806 if (hlock != NULL) {
3807 ldiskfs_htree_lock(hlock, pobj->oo_hl_head,
3808 pobj->oo_inode, LDISKFS_HLOCK_ADD);
3810 down_write(&pobj->oo_ext_idx_sem);
3813 if (OBD_FAIL_CHECK(OBD_FAIL_FID_INDIR)) {
3814 struct lu_fid *tfid = &info->oti_fid;
3816 *tfid = *(const struct lu_fid *)fid;
3818 rc = __osd_ea_add_rec(info, pobj, cinode, name,
3819 (const struct dt_rec *)tfid,
3822 rc = __osd_ea_add_rec(info, pobj, cinode, name, fid,
3827 ldiskfs_htree_unlock(hlock);
3829 up_write(&pobj->oo_ext_idx_sem);
3835 osd_consistency_check(struct osd_thread_info *oti, struct osd_device *dev,
3836 struct osd_idmap_cache *oic)
3838 struct osd_scrub *scrub = &dev->od_scrub;
3839 struct lu_fid *fid = &oic->oic_fid;
3840 struct osd_inode_id *id = &oti->oti_id;
3845 if (!fid_is_norm(fid) && !fid_is_igif(fid))
3849 rc = osd_oi_lookup(oti, dev, fid, id, OI_CHECK_FLD);
3850 if (rc != 0 && rc != -ENOENT)
3853 if (rc == 0 && osd_id_eq(id, &oic->oic_lid))
3856 if (thread_is_running(&scrub->os_thread)) {
3857 rc = osd_oii_insert(dev, oic, rc == -ENOENT);
3858 /* There is race condition between osd_oi_lookup and OI scrub.
3859 * The OI scrub finished just after osd_oi_lookup() failure.
3860 * Under such case, it is unnecessary to trigger OI scrub again,
3861 * but try to call osd_oi_lookup() again. */
3862 if (unlikely(rc == -EAGAIN))
3868 if (!dev->od_noscrub && ++once == 1) {
3869 CDEBUG(D_LFSCK, "Trigger OI scrub by RPC for "DFID"\n",
3871 rc = osd_scrub_start(dev);
3872 LCONSOLE_ERROR("%.16s: trigger OI scrub by RPC for "DFID
3874 LDISKFS_SB(osd_sb(dev))->s_es->s_volume_name,
3883 static int osd_fail_fid_lookup(struct osd_thread_info *oti,
3884 struct osd_device *dev,
3885 struct osd_idmap_cache *oic,
3886 struct lu_fid *fid, __u32 ino)
3888 struct lustre_mdt_attrs *lma = &oti->oti_mdt_attrs;
3889 struct inode *inode;
3892 osd_id_gen(&oic->oic_lid, ino, OSD_OII_NOGEN);
3893 inode = osd_iget(oti, dev, &oic->oic_lid);
3894 if (IS_ERR(inode)) {
3895 fid_zero(&oic->oic_fid);
3896 return PTR_ERR(inode);
3899 rc = osd_get_lma(oti, inode, &oti->oti_obj_dentry, lma);
3902 fid_zero(&oic->oic_fid);
3904 *fid = oic->oic_fid = lma->lma_self_fid;
3908 int osd_add_oi_cache(struct osd_thread_info *info, struct osd_device *osd,
3909 struct osd_inode_id *id, const struct lu_fid *fid)
3911 CDEBUG(D_INODE, "add "DFID" %u:%u to info %p\n", PFID(fid),
3912 id->oii_ino, id->oii_gen, info);
3913 info->oti_cache.oic_lid = *id;
3914 info->oti_cache.oic_fid = *fid;
3915 info->oti_cache.oic_dev = osd;
3921 * Calls ->lookup() to find dentry. From dentry get inode and
3922 * read inode's ea to get fid. This is required for interoperability
3925 * \retval 0, on success
3926 * \retval -ve, on error
3928 static int osd_ea_lookup_rec(const struct lu_env *env, struct osd_object *obj,
3929 struct dt_rec *rec, const struct dt_key *key)
3931 struct inode *dir = obj->oo_inode;
3932 struct dentry *dentry;
3933 struct ldiskfs_dir_entry_2 *de;
3934 struct buffer_head *bh;
3935 struct lu_fid *fid = (struct lu_fid *) rec;
3936 struct htree_lock *hlock = NULL;
3941 LASSERT(dir->i_op != NULL && dir->i_op->lookup != NULL);
3943 dentry = osd_child_dentry_get(env, obj,
3944 (char *)key, strlen((char *)key));
3946 if (obj->oo_hl_head != NULL) {
3947 hlock = osd_oti_get(env)->oti_hlock;
3948 ldiskfs_htree_lock(hlock, obj->oo_hl_head,
3949 dir, LDISKFS_HLOCK_LOOKUP);
3951 down_read(&obj->oo_ext_idx_sem);
3954 bh = osd_ldiskfs_find_entry(dir, &dentry->d_name, &de, NULL, hlock);
3956 struct osd_thread_info *oti = osd_oti_get(env);
3957 struct osd_inode_id *id = &oti->oti_id;
3958 struct osd_idmap_cache *oic = &oti->oti_cache;
3959 struct osd_device *dev = osd_obj2dev(obj);
3960 struct osd_scrub *scrub = &dev->od_scrub;
3961 struct scrub_file *sf = &scrub->os_file;
3963 ino = le32_to_cpu(de->inode);
3964 if (OBD_FAIL_CHECK(OBD_FAIL_FID_LOOKUP)) {
3966 rc = osd_fail_fid_lookup(oti, dev, oic, fid, ino);
3970 rc = osd_get_fid_from_dentry(de, rec);
3972 /* done with de, release bh */
3975 rc = osd_ea_fid_get(env, obj, ino, fid, id);
3977 osd_id_gen(id, ino, OSD_OII_NOGEN);
3979 fid_zero(&oic->oic_fid);
3983 rc = osd_add_oi_cache(osd_oti_get(env), osd_obj2dev(obj), id,
3987 if ((scrub->os_pos_current <= ino) &&
3988 ((sf->sf_flags & SF_INCONSISTENT) ||
3989 (sf->sf_flags & SF_UPGRADE && fid_is_igif(fid)) ||
3990 ldiskfs_test_bit(osd_oi_fid2idx(dev, fid),
3992 osd_consistency_check(oti, dev, oic);
4001 ldiskfs_htree_unlock(hlock);
4003 up_read(&obj->oo_ext_idx_sem);
4008 * Find the osd object for given fid.
4010 * \param fid need to find the osd object having this fid
4012 * \retval osd_object on success
4013 * \retval -ve on error
4015 struct osd_object *osd_object_find(const struct lu_env *env,
4016 struct dt_object *dt,
4017 const struct lu_fid *fid)
4019 struct lu_device *ludev = dt->do_lu.lo_dev;
4020 struct osd_object *child = NULL;
4021 struct lu_object *luch;
4022 struct lu_object *lo;
4025 * at this point topdev might not exist yet
4026 * (i.e. MGS is preparing profiles). so we can
4027 * not rely on topdev and instead lookup with
4028 * our device passed as topdev. this can't work
4029 * if the object isn't cached yet (as osd doesn't
4030 * allocate lu_header). IOW, the object must be
4031 * in the cache, otherwise lu_object_alloc() crashes
4034 luch = lu_object_find_at(env, ludev, fid, NULL);
4035 if (!IS_ERR(luch)) {
4036 if (lu_object_exists(luch)) {
4037 lo = lu_object_locate(luch->lo_header, ludev->ld_type);
4039 child = osd_obj(lo);
4041 LU_OBJECT_DEBUG(D_ERROR, env, luch,
4042 "lu_object can't be located"
4043 DFID"\n", PFID(fid));
4045 if (child == NULL) {
4046 lu_object_put(env, luch);
4047 CERROR("Unable to get osd_object\n");
4048 child = ERR_PTR(-ENOENT);
4051 LU_OBJECT_DEBUG(D_ERROR, env, luch,
4052 "lu_object does not exists "DFID"\n",
4054 lu_object_put(env, luch);
4055 child = ERR_PTR(-ENOENT);
4058 child = ERR_CAST(luch);
4065 * Put the osd object once done with it.
4067 * \param obj osd object that needs to be put
4069 static inline void osd_object_put(const struct lu_env *env,
4070 struct osd_object *obj)
4072 lu_object_put(env, &obj->oo_dt.do_lu);
4075 static int osd_index_declare_ea_insert(const struct lu_env *env,
4076 struct dt_object *dt,
4077 const struct dt_rec *rec,
4078 const struct dt_key *key,
4079 struct thandle *handle)
4081 struct osd_thandle *oh;
4082 struct osd_device *osd = osd_dev(dt->do_lu.lo_dev);
4083 struct lu_fid *fid = (struct lu_fid *)rec;
4087 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
4088 LASSERT(handle != NULL);
4090 oh = container_of0(handle, struct osd_thandle, ot_super);
4091 LASSERT(oh->ot_handle == NULL);
4093 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
4094 osd_dto_credits_noquota[DTO_INDEX_INSERT]);
4096 if (osd_dt_obj(dt)->oo_inode == NULL) {
4097 const char *name = (const char *)key;
4098 /* Object is not being created yet. Only happens when
4099 * 1. declare directory create
4100 * 2. declare insert .
4101 * 3. declare insert ..
4103 LASSERT(strcmp(name, dotdot) == 0 || strcmp(name, dot) == 0);
4105 struct inode *inode = osd_dt_obj(dt)->oo_inode;
4107 /* We ignore block quota on meta pool (MDTs), so needn't
4108 * calculate how many blocks will be consumed by this index
4110 rc = osd_declare_inode_qid(env, inode->i_uid, inode->i_gid, 0,
4111 oh, true, true, NULL, false);
4117 rc = osd_remote_fid(env, osd, fid);
4123 osd_trans_declare_op(env, oh, OSD_OT_CREATE,
4124 osd_dto_credits_noquota[DTO_OBJECT_CREATE]);
4125 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
4126 osd_dto_credits_noquota[DTO_INDEX_INSERT] + 1);
4127 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
4128 osd_dto_credits_noquota[DTO_INDEX_INSERT] + 1);
4134 * Index add function for interoperability mode (b11826).
4135 * It will add the directory entry.This entry is needed to
4136 * maintain name->fid mapping.
4138 * \param key it is key i.e. file entry to be inserted
4139 * \param rec it is value of given key i.e. fid
4141 * \retval 0, on success
4142 * \retval -ve, on error
4144 static int osd_index_ea_insert(const struct lu_env *env, struct dt_object *dt,
4145 const struct dt_rec *rec,
4146 const struct dt_key *key, struct thandle *th,
4147 struct lustre_capa *capa, int ignore_quota)
4149 struct osd_object *obj = osd_dt_obj(dt);
4150 struct osd_device *osd = osd_dev(dt->do_lu.lo_dev);
4151 struct lu_fid *fid = (struct lu_fid *) rec;
4152 const char *name = (const char *)key;
4153 struct osd_thread_info *oti = osd_oti_get(env);
4154 struct osd_inode_id *id = &oti->oti_id;
4155 struct inode *child_inode = NULL;
4156 struct osd_object *child = NULL;
4160 LASSERT(osd_invariant(obj));
4161 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
4162 LASSERT(th != NULL);
4164 osd_trans_exec_op(env, th, OSD_OT_INSERT);
4166 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_INSERT))
4169 LASSERTF(fid_is_sane(fid), "fid"DFID" is insane!", PFID(fid));
4171 rc = osd_remote_fid(env, osd, fid);
4173 CERROR("%s: Can not find object "DFID" rc %d\n",
4174 osd_name(osd), PFID(fid), rc);
4179 /* Insert remote entry */
4180 if (strcmp(name, dotdot) == 0 && strlen(name) == 2) {
4181 struct osd_mdobj_map *omm = osd->od_mdt_map;
4182 struct osd_thandle *oh;
4184 /* If parent on remote MDT, we need put this object
4186 oh = container_of(th, typeof(*oh), ot_super);
4187 rc = osd_add_to_remote_parent(env, osd, obj, oh);
4189 CERROR("%s: add "DFID" error: rc = %d\n",
4191 PFID(lu_object_fid(&dt->do_lu)), rc);
4195 child_inode = igrab(omm->omm_remote_parent->d_inode);
4197 child_inode = osd_create_local_agent_inode(env, osd,
4200 if (IS_ERR(child_inode))
4201 RETURN(PTR_ERR(child_inode));
4204 /* Insert local entry */
4205 child = osd_object_find(env, dt, fid);
4206 if (IS_ERR(child)) {
4207 CERROR("%s: Can not find object "DFID"%u:%u: rc = %d\n",
4208 osd_name(osd), PFID(fid),
4209 id->oii_ino, id->oii_gen,
4210 (int)PTR_ERR(child));
4211 RETURN(PTR_ERR(child));
4213 child_inode = igrab(child->oo_inode);
4216 rc = osd_ea_add_rec(env, obj, child_inode, name, rec, th);
4220 osd_object_put(env, child);
4221 LASSERT(osd_invariant(obj));
4226 * Initialize osd Iterator for given osd index object.
4228 * \param dt osd index object
4231 static struct dt_it *osd_it_iam_init(const struct lu_env *env,
4232 struct dt_object *dt,
4234 struct lustre_capa *capa)
4236 struct osd_it_iam *it;
4237 struct osd_thread_info *oti = osd_oti_get(env);
4238 struct osd_object *obj = osd_dt_obj(dt);
4239 struct lu_object *lo = &dt->do_lu;
4240 struct iam_path_descr *ipd;
4241 struct iam_container *bag = &obj->oo_dir->od_container;
4243 LASSERT(lu_object_exists(lo));
4245 if (osd_object_auth(env, dt, capa, CAPA_OPC_BODY_READ))
4246 return ERR_PTR(-EACCES);
4249 ipd = osd_it_ipd_get(env, bag);
4250 if (likely(ipd != NULL)) {
4254 iam_it_init(&it->oi_it, bag, IAM_IT_MOVE, ipd);
4255 return (struct dt_it *)it;
4257 return ERR_PTR(-ENOMEM);
4261 * free given Iterator.
4264 static void osd_it_iam_fini(const struct lu_env *env, struct dt_it *di)
4266 struct osd_it_iam *it = (struct osd_it_iam *)di;
4267 struct osd_object *obj = it->oi_obj;
4269 iam_it_fini(&it->oi_it);
4270 osd_ipd_put(env, &obj->oo_dir->od_container, it->oi_ipd);
4271 lu_object_put(env, &obj->oo_dt.do_lu);
4275 * Move Iterator to record specified by \a key
4277 * \param di osd iterator
4278 * \param key key for index
4280 * \retval +ve di points to record with least key not larger than key
4281 * \retval 0 di points to exact matched key
4282 * \retval -ve failure
4285 static int osd_it_iam_get(const struct lu_env *env,
4286 struct dt_it *di, const struct dt_key *key)
4288 struct osd_thread_info *oti = osd_oti_get(env);
4289 struct osd_it_iam *it = (struct osd_it_iam *)di;
4291 if (fid_is_quota(lu_object_fid(&it->oi_obj->oo_dt.do_lu))) {
4292 /* swab quota uid/gid */
4293 oti->oti_quota_id = cpu_to_le64(*((__u64 *)key));
4294 key = (struct dt_key *)&oti->oti_quota_id;
4297 return iam_it_get(&it->oi_it, (const struct iam_key *)key);
4303 * \param di osd iterator
4305 static void osd_it_iam_put(const struct lu_env *env, struct dt_it *di)
4307 struct osd_it_iam *it = (struct osd_it_iam *)di;
4309 iam_it_put(&it->oi_it);
4313 * Move iterator by one record
4315 * \param di osd iterator
4317 * \retval +1 end of container reached
4319 * \retval -ve failure
4322 static int osd_it_iam_next(const struct lu_env *env, struct dt_it *di)
4324 struct osd_it_iam *it = (struct osd_it_iam *)di;
4326 return iam_it_next(&it->oi_it);
4330 * Return pointer to the key under iterator.
4333 static struct dt_key *osd_it_iam_key(const struct lu_env *env,
4334 const struct dt_it *di)
4336 struct osd_thread_info *oti = osd_oti_get(env);
4337 struct osd_it_iam *it = (struct osd_it_iam *)di;
4338 struct osd_object *obj = it->oi_obj;
4341 key = (struct dt_key *)iam_it_key_get(&it->oi_it);
4343 if (!IS_ERR(key) && fid_is_quota(lu_object_fid(&obj->oo_dt.do_lu))) {
4344 /* swab quota uid/gid */
4345 oti->oti_quota_id = le64_to_cpu(*((__u64 *)key));
4346 key = (struct dt_key *)&oti->oti_quota_id;
4353 * Return size of key under iterator (in bytes)
4356 static int osd_it_iam_key_size(const struct lu_env *env, const struct dt_it *di)
4358 struct osd_it_iam *it = (struct osd_it_iam *)di;
4360 return iam_it_key_size(&it->oi_it);
4364 osd_it_append_attrs(struct lu_dirent *ent, int len, __u16 type)
4366 /* check if file type is required */
4367 if (ent->lde_attrs & LUDA_TYPE) {
4368 struct luda_type *lt;
4369 int align = sizeof(*lt) - 1;
4371 len = (len + align) & ~align;
4372 lt = (struct luda_type *)(ent->lde_name + len);
4373 lt->lt_type = cpu_to_le16(DTTOIF(type));
4376 ent->lde_attrs = cpu_to_le32(ent->lde_attrs);
4380 * build lu direct from backend fs dirent.
4384 osd_it_pack_dirent(struct lu_dirent *ent, struct lu_fid *fid, __u64 offset,
4385 char *name, __u16 namelen, __u16 type, __u32 attr)
4387 ent->lde_attrs = attr | LUDA_FID;
4388 fid_cpu_to_le(&ent->lde_fid, fid);
4390 ent->lde_hash = cpu_to_le64(offset);
4391 ent->lde_reclen = cpu_to_le16(lu_dirent_calc_size(namelen, attr));
4393 strncpy(ent->lde_name, name, namelen);
4394 ent->lde_name[namelen] = '\0';
4395 ent->lde_namelen = cpu_to_le16(namelen);
4397 /* append lustre attributes */
4398 osd_it_append_attrs(ent, namelen, type);
4402 * Return pointer to the record under iterator.
4404 static int osd_it_iam_rec(const struct lu_env *env,
4405 const struct dt_it *di,
4406 struct dt_rec *dtrec, __u32 attr)
4408 struct osd_it_iam *it = (struct osd_it_iam *)di;
4409 struct osd_thread_info *info = osd_oti_get(env);
4412 if (S_ISDIR(it->oi_obj->oo_inode->i_mode)) {
4413 const struct osd_fid_pack *rec;
4414 struct lu_fid *fid = &info->oti_fid;
4415 struct lu_dirent *lde = (struct lu_dirent *)dtrec;
4421 name = (char *)iam_it_key_get(&it->oi_it);
4423 RETURN(PTR_ERR(name));
4425 namelen = iam_it_key_size(&it->oi_it);
4427 rec = (const struct osd_fid_pack *)iam_it_rec_get(&it->oi_it);
4429 RETURN(PTR_ERR(rec));
4431 rc = osd_fid_unpack(fid, rec);
4435 hash = iam_it_store(&it->oi_it);
4437 /* IAM does not store object type in IAM index (dir) */
4438 osd_it_pack_dirent(lde, fid, hash, name, namelen,
4440 } else if (fid_is_quota(lu_object_fid(&it->oi_obj->oo_dt.do_lu))) {
4441 iam_reccpy(&it->oi_it.ii_path.ip_leaf,
4442 (struct iam_rec *)dtrec);
4443 osd_quota_unpack(it->oi_obj, dtrec);
4445 iam_reccpy(&it->oi_it.ii_path.ip_leaf,
4446 (struct iam_rec *)dtrec);
4453 * Returns cookie for current Iterator position.
4455 static __u64 osd_it_iam_store(const struct lu_env *env, const struct dt_it *di)
4457 struct osd_it_iam *it = (struct osd_it_iam *)di;
4459 return iam_it_store(&it->oi_it);
4463 * Restore iterator from cookie.
4465 * \param di osd iterator
4466 * \param hash Iterator location cookie
4468 * \retval +ve di points to record with least key not larger than key.
4469 * \retval 0 di points to exact matched key
4470 * \retval -ve failure
4473 static int osd_it_iam_load(const struct lu_env *env,
4474 const struct dt_it *di, __u64 hash)
4476 struct osd_it_iam *it = (struct osd_it_iam *)di;
4478 return iam_it_load(&it->oi_it, hash);
4481 static const struct dt_index_operations osd_index_iam_ops = {
4482 .dio_lookup = osd_index_iam_lookup,
4483 .dio_declare_insert = osd_index_declare_iam_insert,
4484 .dio_insert = osd_index_iam_insert,
4485 .dio_declare_delete = osd_index_declare_iam_delete,
4486 .dio_delete = osd_index_iam_delete,
4488 .init = osd_it_iam_init,
4489 .fini = osd_it_iam_fini,
4490 .get = osd_it_iam_get,
4491 .put = osd_it_iam_put,
4492 .next = osd_it_iam_next,
4493 .key = osd_it_iam_key,
4494 .key_size = osd_it_iam_key_size,
4495 .rec = osd_it_iam_rec,
4496 .store = osd_it_iam_store,
4497 .load = osd_it_iam_load
4503 * Creates or initializes iterator context.
4505 * \retval struct osd_it_ea, iterator structure on success
4508 static struct dt_it *osd_it_ea_init(const struct lu_env *env,
4509 struct dt_object *dt,
4511 struct lustre_capa *capa)
4513 struct osd_object *obj = osd_dt_obj(dt);
4514 struct osd_thread_info *info = osd_oti_get(env);
4515 struct osd_it_ea *it = &info->oti_it_ea;
4516 struct file *file = &it->oie_file;
4517 struct lu_object *lo = &dt->do_lu;
4518 struct dentry *obj_dentry = &info->oti_it_dentry;
4520 LASSERT(lu_object_exists(lo));
4522 obj_dentry->d_inode = obj->oo_inode;
4523 obj_dentry->d_sb = osd_sb(osd_obj2dev(obj));
4524 obj_dentry->d_name.hash = 0;
4526 it->oie_rd_dirent = 0;
4527 it->oie_it_dirent = 0;
4528 it->oie_dirent = NULL;
4529 it->oie_buf = info->oti_it_ea_buf;
4532 /* Reset the "file" totally to avoid to reuse any old value from
4533 * former readdir handling, the "file->f_pos" should be zero. */
4534 memset(file, 0, sizeof(*file));
4535 /* Only FMODE_64BITHASH or FMODE_32BITHASH should be set, NOT both. */
4536 if (attr & LUDA_64BITHASH)
4537 file->f_mode = FMODE_64BITHASH;
4539 file->f_mode = FMODE_32BITHASH;
4540 file->f_dentry = obj_dentry;
4541 file->f_mapping = obj->oo_inode->i_mapping;
4542 file->f_op = obj->oo_inode->i_fop;
4543 set_file_inode(file, obj->oo_inode);
4546 RETURN((struct dt_it *) it);
4550 * Destroy or finishes iterator context.
4552 * \param di iterator structure to be destroyed
4554 static void osd_it_ea_fini(const struct lu_env *env, struct dt_it *di)
4556 struct osd_it_ea *it = (struct osd_it_ea *)di;
4557 struct osd_object *obj = it->oie_obj;
4558 struct inode *inode = obj->oo_inode;
4561 it->oie_file.f_op->release(inode, &it->oie_file);
4562 lu_object_put(env, &obj->oo_dt.do_lu);
4567 * It position the iterator at given key, so that next lookup continues from
4568 * that key Or it is similar to dio_it->load() but based on a key,
4569 * rather than file position.
4571 * As a special convention, osd_it_ea_get(env, di, "") has to rewind iterator
4574 * TODO: Presently return +1 considering it is only used by mdd_dir_is_empty().
4576 static int osd_it_ea_get(const struct lu_env *env,
4577 struct dt_it *di, const struct dt_key *key)
4579 struct osd_it_ea *it = (struct osd_it_ea *)di;
4582 LASSERT(((const char *)key)[0] == '\0');
4583 it->oie_file.f_pos = 0;
4584 it->oie_rd_dirent = 0;
4585 it->oie_it_dirent = 0;
4586 it->oie_dirent = NULL;
4594 static void osd_it_ea_put(const struct lu_env *env, struct dt_it *di)
4599 * It is called internally by ->readdir(). It fills the
4600 * iterator's in-memory data structure with required
4601 * information i.e. name, namelen, rec_size etc.
4603 * \param buf in which information to be filled in.
4604 * \param name name of the file in given dir
4606 * \retval 0 on success
4607 * \retval 1 on buffer full
4609 static int osd_ldiskfs_filldir(char *buf, const char *name, int namelen,
4610 loff_t offset, __u64 ino,
4613 struct osd_it_ea *it = (struct osd_it_ea *)buf;
4614 struct osd_object *obj = it->oie_obj;
4615 struct osd_it_ea_dirent *ent = it->oie_dirent;
4616 struct lu_fid *fid = &ent->oied_fid;
4617 struct osd_fid_pack *rec;
4620 /* this should never happen */
4621 if (unlikely(namelen == 0 || namelen > LDISKFS_NAME_LEN)) {
4622 CERROR("ldiskfs return invalid namelen %d\n", namelen);
4626 if ((void *) ent - it->oie_buf + sizeof(*ent) + namelen >
4630 /* "." is just the object itself. */
4631 if (namelen == 1 && name[0] == '.') {
4632 *fid = obj->oo_dt.do_lu.lo_header->loh_fid;
4633 } else if (d_type & LDISKFS_DIRENT_LUFID) {
4634 rec = (struct osd_fid_pack*) (name + namelen + 1);
4635 if (osd_fid_unpack(fid, rec) != 0)
4640 d_type &= ~LDISKFS_DIRENT_LUFID;
4642 /* NOT export local root. */
4643 if (unlikely(osd_sb(osd_obj2dev(obj))->s_root->d_inode->i_ino == ino)) {
4644 ino = obj->oo_inode->i_ino;
4645 *fid = obj->oo_dt.do_lu.lo_header->loh_fid;
4648 ent->oied_ino = ino;
4649 ent->oied_off = offset;
4650 ent->oied_namelen = namelen;
4651 ent->oied_type = d_type;
4653 memcpy(ent->oied_name, name, namelen);
4655 it->oie_rd_dirent++;
4656 it->oie_dirent = (void *) ent + cfs_size_round(sizeof(*ent) + namelen);
4661 * Calls ->readdir() to load a directory entry at a time
4662 * and stored it in iterator's in-memory data structure.
4664 * \param di iterator's in memory structure
4666 * \retval 0 on success
4667 * \retval -ve on error
4669 static int osd_ldiskfs_it_fill(const struct lu_env *env,
4670 const struct dt_it *di)
4672 struct osd_it_ea *it = (struct osd_it_ea *)di;
4673 struct osd_object *obj = it->oie_obj;
4674 struct inode *inode = obj->oo_inode;
4675 struct htree_lock *hlock = NULL;
4679 it->oie_dirent = it->oie_buf;
4680 it->oie_rd_dirent = 0;
4682 if (obj->oo_hl_head != NULL) {
4683 hlock = osd_oti_get(env)->oti_hlock;
4684 ldiskfs_htree_lock(hlock, obj->oo_hl_head,
4685 inode, LDISKFS_HLOCK_READDIR);
4687 down_read(&obj->oo_ext_idx_sem);
4690 result = inode->i_fop->readdir(&it->oie_file, it,
4691 (filldir_t) osd_ldiskfs_filldir);
4694 ldiskfs_htree_unlock(hlock);
4696 up_read(&obj->oo_ext_idx_sem);
4698 if (it->oie_rd_dirent == 0) {
4701 it->oie_dirent = it->oie_buf;
4702 it->oie_it_dirent = 1;
4709 * It calls osd_ldiskfs_it_fill() which will use ->readdir()
4710 * to load a directory entry at a time and stored it in
4711 * iterator's in-memory data structure.
4713 * \param di iterator's in memory structure
4715 * \retval +ve iterator reached to end
4716 * \retval 0 iterator not reached to end
4717 * \retval -ve on error
4719 static int osd_it_ea_next(const struct lu_env *env, struct dt_it *di)
4721 struct osd_it_ea *it = (struct osd_it_ea *)di;
4726 if (it->oie_it_dirent < it->oie_rd_dirent) {
4728 (void *) it->oie_dirent +
4729 cfs_size_round(sizeof(struct osd_it_ea_dirent) +
4730 it->oie_dirent->oied_namelen);
4731 it->oie_it_dirent++;
4734 if (it->oie_file.f_pos == ldiskfs_get_htree_eof(&it->oie_file))
4737 rc = osd_ldiskfs_it_fill(env, di);
4744 * Returns the key at current position from iterator's in memory structure.
4746 * \param di iterator's in memory structure
4748 * \retval key i.e. struct dt_key on success
4750 static struct dt_key *osd_it_ea_key(const struct lu_env *env,
4751 const struct dt_it *di)
4753 struct osd_it_ea *it = (struct osd_it_ea *)di;
4755 return (struct dt_key *)it->oie_dirent->oied_name;
4759 * Returns the key's size at current position from iterator's in memory structure.
4761 * \param di iterator's in memory structure
4763 * \retval key_size i.e. struct dt_key on success
4765 static int osd_it_ea_key_size(const struct lu_env *env, const struct dt_it *di)
4767 struct osd_it_ea *it = (struct osd_it_ea *)di;
4769 return it->oie_dirent->oied_namelen;
4773 osd_dirent_update(handle_t *jh, struct super_block *sb,
4774 struct osd_it_ea_dirent *ent, struct lu_fid *fid,
4775 struct buffer_head *bh, struct ldiskfs_dir_entry_2 *de)
4777 struct osd_fid_pack *rec;
4781 LASSERT(de->file_type & LDISKFS_DIRENT_LUFID);
4782 LASSERT(de->rec_len >= de->name_len + sizeof(struct osd_fid_pack));
4784 rc = ldiskfs_journal_get_write_access(jh, bh);
4786 CERROR("%.16s: fail to write access for update dirent: "
4787 "name = %.*s, rc = %d\n",
4788 LDISKFS_SB(sb)->s_es->s_volume_name,
4789 ent->oied_namelen, ent->oied_name, rc);
4793 rec = (struct osd_fid_pack *)(de->name + de->name_len + 1);
4794 fid_cpu_to_be((struct lu_fid *)rec->fp_area, fid);
4795 rc = ldiskfs_journal_dirty_metadata(jh, bh);
4797 CERROR("%.16s: fail to dirty metadata for update dirent: "
4798 "name = %.*s, rc = %d\n",
4799 LDISKFS_SB(sb)->s_es->s_volume_name,
4800 ent->oied_namelen, ent->oied_name, rc);
4806 osd_dirent_has_space(__u16 reclen, __u16 namelen, unsigned blocksize)
4808 if (ldiskfs_rec_len_from_disk(reclen, blocksize) >=
4809 __LDISKFS_DIR_REC_LEN(namelen + 1 + sizeof(struct osd_fid_pack)))
4816 osd_dot_dotdot_has_space(struct ldiskfs_dir_entry_2 *de, int dot_dotdot)
4818 LASSERTF(dot_dotdot == 1 || dot_dotdot == 2,
4819 "dot_dotdot = %d\n", dot_dotdot);
4821 if (LDISKFS_DIR_REC_LEN(de) >=
4822 __LDISKFS_DIR_REC_LEN(dot_dotdot + 1 + sizeof(struct osd_fid_pack)))
4829 osd_dirent_reinsert(const struct lu_env *env, handle_t *jh,
4830 struct inode *dir, struct inode *inode,
4831 struct osd_it_ea_dirent *ent, struct lu_fid *fid,
4832 struct buffer_head *bh, struct ldiskfs_dir_entry_2 *de,
4833 struct htree_lock *hlock)
4835 struct dentry *dentry;
4836 struct osd_fid_pack *rec;
4837 struct ldiskfs_dentry_param *ldp;
4841 if (!LDISKFS_HAS_INCOMPAT_FEATURE(inode->i_sb,
4842 LDISKFS_FEATURE_INCOMPAT_DIRDATA))
4845 /* There is enough space to hold the FID-in-dirent. */
4846 if (osd_dirent_has_space(de->rec_len, ent->oied_namelen,
4847 dir->i_sb->s_blocksize)) {
4848 rc = ldiskfs_journal_get_write_access(jh, bh);
4850 CERROR("%.16s: fail to write access for reinsert "
4851 "dirent: name = %.*s, rc = %d\n",
4852 LDISKFS_SB(inode->i_sb)->s_es->s_volume_name,
4853 ent->oied_namelen, ent->oied_name, rc);
4857 de->name[de->name_len] = 0;
4858 rec = (struct osd_fid_pack *)(de->name + de->name_len + 1);
4859 rec->fp_len = sizeof(struct lu_fid) + 1;
4860 fid_cpu_to_be((struct lu_fid *)rec->fp_area, fid);
4861 de->file_type |= LDISKFS_DIRENT_LUFID;
4863 rc = ldiskfs_journal_dirty_metadata(jh, bh);
4865 CERROR("%.16s: fail to dirty metadata for reinsert "
4866 "dirent: name = %.*s, rc = %d\n",
4867 LDISKFS_SB(inode->i_sb)->s_es->s_volume_name,
4868 ent->oied_namelen, ent->oied_name, rc);
4873 rc = ldiskfs_delete_entry(jh, dir, de, bh);
4875 CERROR("%.16s: fail to delete entry for reinsert dirent: "
4876 "name = %.*s, rc = %d\n",
4877 LDISKFS_SB(inode->i_sb)->s_es->s_volume_name,
4878 ent->oied_namelen, ent->oied_name, rc);
4882 dentry = osd_child_dentry_by_inode(env, dir, ent->oied_name,
4884 ldp = (struct ldiskfs_dentry_param *)osd_oti_get(env)->oti_ldp;
4885 osd_get_ldiskfs_dirent_param(ldp, (const struct dt_rec *)fid);
4886 dentry->d_fsdata = (void *)ldp;
4887 ll_vfs_dq_init(dir);
4888 rc = osd_ldiskfs_add_entry(jh, dentry, inode, hlock);
4889 /* It is too bad, we cannot reinsert the name entry back.
4890 * That means we lose it! */
4892 CERROR("%.16s: fail to insert entry for reinsert dirent: "
4893 "name = %.*s, rc = %d\n",
4894 LDISKFS_SB(inode->i_sb)->s_es->s_volume_name,
4895 ent->oied_namelen, ent->oied_name, rc);
4901 osd_dirent_check_repair(const struct lu_env *env, struct osd_object *obj,
4902 struct osd_it_ea *it, struct lu_fid *fid,
4903 struct osd_inode_id *id, __u32 *attr)
4905 struct osd_thread_info *info = osd_oti_get(env);
4906 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
4907 struct osd_device *dev = osd_obj2dev(obj);
4908 struct super_block *sb = osd_sb(dev);
4909 const char *devname =
4910 LDISKFS_SB(sb)->s_es->s_volume_name;
4911 struct osd_it_ea_dirent *ent = it->oie_dirent;
4912 struct inode *dir = obj->oo_inode;
4913 struct htree_lock *hlock = NULL;
4914 struct buffer_head *bh = NULL;
4915 handle_t *jh = NULL;
4916 struct ldiskfs_dir_entry_2 *de;
4917 struct dentry *dentry;
4918 struct inode *inode;
4925 if (ent->oied_name[0] == '.') {
4926 if (ent->oied_namelen == 1)
4928 else if (ent->oied_namelen == 2 && ent->oied_name[1] == '.')
4932 dentry = osd_child_dentry_get(env, obj, ent->oied_name,
4935 /* We need to ensure that the name entry is still valid.
4936 * Because it may be removed or renamed by other already.
4938 * The unlink or rename operation will start journal before PDO lock,
4939 * so to avoid deadlock, here we need to start journal handle before
4940 * related PDO lock also. But because we do not know whether there
4941 * will be something to be repaired before PDO lock, we just start
4942 * journal without conditions.
4944 * We may need to remove the name entry firstly, then insert back.
4945 * One credit is for user quota file update.
4946 * One credit is for group quota file update.
4947 * Two credits are for dirty inode. */
4948 credits = osd_dto_credits_noquota[DTO_INDEX_DELETE] +
4949 osd_dto_credits_noquota[DTO_INDEX_INSERT] + 1 + 1 + 2;
4952 if (dev->od_dirent_journal) {
4953 jh = osd_journal_start_sb(sb, LDISKFS_HT_MISC, credits);
4956 CERROR("%.16s: fail to start trans for dirent "
4957 "check_repair: credits %d, name %.*s, rc %d\n",
4958 devname, credits, ent->oied_namelen,
4959 ent->oied_name, rc);
4963 if (obj->oo_hl_head != NULL) {
4964 hlock = osd_oti_get(env)->oti_hlock;
4965 /* "0" means exclusive lock for the whole directory.
4966 * We need to prevent others access such name entry
4967 * during the delete + insert. Neither HLOCK_ADD nor
4968 * HLOCK_DEL cannot guarantee the atomicity. */
4969 ldiskfs_htree_lock(hlock, obj->oo_hl_head, dir, 0);
4971 down_write(&obj->oo_ext_idx_sem);
4974 if (obj->oo_hl_head != NULL) {
4975 hlock = osd_oti_get(env)->oti_hlock;
4976 ldiskfs_htree_lock(hlock, obj->oo_hl_head, dir,
4977 LDISKFS_HLOCK_LOOKUP);
4979 down_read(&obj->oo_ext_idx_sem);
4983 bh = osd_ldiskfs_find_entry(dir, &dentry->d_name, &de, NULL, hlock);
4984 /* For dot/dotdot entry, if there is not enough space to hold the
4985 * FID-in-dirent, just keep them there. It only happens when the
4986 * device upgraded from 1.8 or restored from MDT file-level backup.
4987 * For the whole directory, only dot/dotdot entry have no FID-in-dirent
4988 * and needs to get FID from LMA when readdir, it will not affect the
4989 * performance much. */
4990 if ((bh == NULL) || (le32_to_cpu(de->inode) != ent->oied_ino) ||
4991 (dot_dotdot != 0 && !osd_dot_dotdot_has_space(de, dot_dotdot))) {
4992 *attr |= LUDA_IGNORE;
4993 GOTO(out_journal, rc = 0);
4996 osd_id_gen(id, ent->oied_ino, OSD_OII_NOGEN);
4997 inode = osd_iget(info, dev, id);
4998 if (IS_ERR(inode)) {
4999 rc = PTR_ERR(inode);
5000 if (rc == -ENOENT || rc == -ESTALE) {
5001 *attr |= LUDA_IGNORE;
5005 GOTO(out_journal, rc);
5008 /* skip the REMOTE_PARENT_DIR. */
5009 if (inode == dev->od_mdt_map->omm_remote_parent->d_inode)
5010 GOTO(out_inode, rc = 0);
5012 rc = osd_get_lma(info, inode, &info->oti_obj_dentry, lma);
5014 LASSERT(!(lma->lma_compat & LMAC_NOT_IN_OI));
5016 if (fid_is_sane(fid)) {
5017 /* FID-in-dirent is valid. */
5018 if (lu_fid_eq(fid, &lma->lma_self_fid))
5019 GOTO(out_inode, rc = 0);
5021 /* Do not repair under dryrun mode. */
5022 if (*attr & LUDA_VERIFY_DRYRUN) {
5023 *attr |= LUDA_REPAIR;
5024 GOTO(out_inode, rc = 0);
5027 if (!dev->od_dirent_journal) {
5031 ldiskfs_htree_unlock(hlock);
5033 up_read(&obj->oo_ext_idx_sem);
5034 dev->od_dirent_journal = 1;
5038 *fid = lma->lma_self_fid;
5040 /* Update the FID-in-dirent. */
5041 rc = osd_dirent_update(jh, sb, ent, fid, bh, de);
5043 *attr |= LUDA_REPAIR;
5045 /* Do not repair under dryrun mode. */
5046 if (*attr & LUDA_VERIFY_DRYRUN) {
5047 *fid = lma->lma_self_fid;
5048 *attr |= LUDA_REPAIR;
5049 GOTO(out_inode, rc = 0);
5052 if (!dev->od_dirent_journal) {
5056 ldiskfs_htree_unlock(hlock);
5058 up_read(&obj->oo_ext_idx_sem);
5059 dev->od_dirent_journal = 1;
5063 *fid = lma->lma_self_fid;
5065 /* Append the FID-in-dirent. */
5066 rc = osd_dirent_reinsert(env, jh, dir, inode, ent,
5067 fid, bh, de, hlock);
5069 *attr |= LUDA_REPAIR;
5071 } else if (rc == -ENODATA) {
5072 /* Do not repair under dryrun mode. */
5073 if (*attr & LUDA_VERIFY_DRYRUN) {
5074 if (fid_is_sane(fid)) {
5075 *attr |= LUDA_REPAIR;
5077 lu_igif_build(fid, inode->i_ino,
5078 inode->i_generation);
5079 *attr |= LUDA_UPGRADE;
5081 GOTO(out_inode, rc = 0);
5084 if (!dev->od_dirent_journal) {
5088 ldiskfs_htree_unlock(hlock);
5090 up_read(&obj->oo_ext_idx_sem);
5091 dev->od_dirent_journal = 1;
5096 if (unlikely(fid_is_sane(fid))) {
5097 /* FID-in-dirent exists, but FID-in-LMA is lost.
5098 * Trust the FID-in-dirent, and add FID-in-LMA. */
5099 rc = osd_ea_fid_set(info, inode, fid, 0, 0);
5101 *attr |= LUDA_REPAIR;
5103 lu_igif_build(fid, inode->i_ino, inode->i_generation);
5104 /* It is probably IGIF object. Only aappend the
5105 * FID-in-dirent. OI scrub will process FID-in-LMA. */
5106 rc = osd_dirent_reinsert(env, jh, dir, inode, ent,
5107 fid, bh, de, hlock);
5109 *attr |= LUDA_UPGRADE;
5113 GOTO(out_inode, rc);
5120 if (hlock != NULL) {
5121 ldiskfs_htree_unlock(hlock);
5123 if (dev->od_dirent_journal)
5124 up_write(&obj->oo_ext_idx_sem);
5126 up_read(&obj->oo_ext_idx_sem);
5129 ldiskfs_journal_stop(jh);
5130 if (rc >= 0 && !dirty)
5131 dev->od_dirent_journal = 0;
5136 * Returns the value at current position from iterator's in memory structure.
5138 * \param di struct osd_it_ea, iterator's in memory structure
5139 * \param attr attr requested for dirent.
5140 * \param lde lustre dirent
5142 * \retval 0 no error and \param lde has correct lustre dirent.
5143 * \retval -ve on error
5145 static inline int osd_it_ea_rec(const struct lu_env *env,
5146 const struct dt_it *di,
5147 struct dt_rec *dtrec, __u32 attr)
5149 struct osd_it_ea *it = (struct osd_it_ea *)di;
5150 struct osd_object *obj = it->oie_obj;
5151 struct osd_device *dev = osd_obj2dev(obj);
5152 struct osd_scrub *scrub = &dev->od_scrub;
5153 struct scrub_file *sf = &scrub->os_file;
5154 struct osd_thread_info *oti = osd_oti_get(env);
5155 struct osd_inode_id *id = &oti->oti_id;
5156 struct osd_idmap_cache *oic = &oti->oti_cache;
5157 struct lu_fid *fid = &it->oie_dirent->oied_fid;
5158 struct lu_dirent *lde = (struct lu_dirent *)dtrec;
5159 __u32 ino = it->oie_dirent->oied_ino;
5163 if (attr & LUDA_VERIFY) {
5165 if (unlikely(ino == osd_sb(dev)->s_root->d_inode->i_ino)) {
5166 attr |= LUDA_IGNORE;
5169 rc = osd_dirent_check_repair(env, obj, it, fid, id,
5173 attr &= ~LU_DIRENT_ATTRS_MASK;
5174 if (!fid_is_sane(fid)) {
5175 if (OBD_FAIL_CHECK(OBD_FAIL_FID_LOOKUP))
5178 rc = osd_ea_fid_get(env, obj, ino, fid, id);
5180 osd_id_gen(id, ino, OSD_OII_NOGEN);
5184 /* Pack the entry anyway, at least the offset is right. */
5185 osd_it_pack_dirent(lde, fid, it->oie_dirent->oied_off,
5186 it->oie_dirent->oied_name,
5187 it->oie_dirent->oied_namelen,
5188 it->oie_dirent->oied_type, attr);
5193 if (osd_remote_fid(env, dev, fid))
5196 if (likely(!(attr & LUDA_IGNORE)))
5197 rc = osd_add_oi_cache(oti, dev, id, fid);
5199 if (!(attr & LUDA_VERIFY) &&
5200 (scrub->os_pos_current <= ino) &&
5201 ((sf->sf_flags & SF_INCONSISTENT) ||
5202 (sf->sf_flags & SF_UPGRADE && fid_is_igif(fid)) ||
5203 ldiskfs_test_bit(osd_oi_fid2idx(dev, fid), sf->sf_oi_bitmap)))
5204 osd_consistency_check(oti, dev, oic);
5210 * Returns a cookie for current position of the iterator head, so that
5211 * user can use this cookie to load/start the iterator next time.
5213 * \param di iterator's in memory structure
5215 * \retval cookie for current position, on success
5217 static __u64 osd_it_ea_store(const struct lu_env *env, const struct dt_it *di)
5219 struct osd_it_ea *it = (struct osd_it_ea *)di;
5221 return it->oie_dirent->oied_off;
5225 * It calls osd_ldiskfs_it_fill() which will use ->readdir()
5226 * to load a directory entry at a time and stored it i inn,
5227 * in iterator's in-memory data structure.
5229 * \param di struct osd_it_ea, iterator's in memory structure
5231 * \retval +ve on success
5232 * \retval -ve on error
5234 static int osd_it_ea_load(const struct lu_env *env,
5235 const struct dt_it *di, __u64 hash)
5237 struct osd_it_ea *it = (struct osd_it_ea *)di;
5241 it->oie_file.f_pos = hash;
5243 rc = osd_ldiskfs_it_fill(env, di);
5251 * Index lookup function for interoperability mode (b11826).
5253 * \param key, key i.e. file name to be searched
5255 * \retval +ve, on success
5256 * \retval -ve, on error
5258 static int osd_index_ea_lookup(const struct lu_env *env, struct dt_object *dt,
5259 struct dt_rec *rec, const struct dt_key *key,
5260 struct lustre_capa *capa)
5262 struct osd_object *obj = osd_dt_obj(dt);
5267 LASSERT(S_ISDIR(obj->oo_inode->i_mode));
5268 LINVRNT(osd_invariant(obj));
5270 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_LOOKUP))
5273 rc = osd_ea_lookup_rec(env, obj, rec, key);
5280 * Index and Iterator operations for interoperability
5281 * mode (i.e. to run 2.0 mds on 1.8 disk) (b11826)
5283 static const struct dt_index_operations osd_index_ea_ops = {
5284 .dio_lookup = osd_index_ea_lookup,
5285 .dio_declare_insert = osd_index_declare_ea_insert,
5286 .dio_insert = osd_index_ea_insert,
5287 .dio_declare_delete = osd_index_declare_ea_delete,
5288 .dio_delete = osd_index_ea_delete,
5290 .init = osd_it_ea_init,
5291 .fini = osd_it_ea_fini,
5292 .get = osd_it_ea_get,
5293 .put = osd_it_ea_put,
5294 .next = osd_it_ea_next,
5295 .key = osd_it_ea_key,
5296 .key_size = osd_it_ea_key_size,
5297 .rec = osd_it_ea_rec,
5298 .store = osd_it_ea_store,
5299 .load = osd_it_ea_load
5303 static void *osd_key_init(const struct lu_context *ctx,
5304 struct lu_context_key *key)
5306 struct osd_thread_info *info;
5308 OBD_ALLOC_PTR(info);
5310 return ERR_PTR(-ENOMEM);
5312 OBD_ALLOC(info->oti_it_ea_buf, OSD_IT_EA_BUFSIZE);
5313 if (info->oti_it_ea_buf == NULL)
5316 info->oti_env = container_of(ctx, struct lu_env, le_ctx);
5318 info->oti_hlock = ldiskfs_htree_lock_alloc();
5319 if (info->oti_hlock == NULL)
5325 OBD_FREE(info->oti_it_ea_buf, OSD_IT_EA_BUFSIZE);
5328 return ERR_PTR(-ENOMEM);
5331 static void osd_key_fini(const struct lu_context *ctx,
5332 struct lu_context_key *key, void* data)
5334 struct osd_thread_info *info = data;
5336 if (info->oti_hlock != NULL)
5337 ldiskfs_htree_lock_free(info->oti_hlock);
5338 OBD_FREE(info->oti_it_ea_buf, OSD_IT_EA_BUFSIZE);
5339 lu_buf_free(&info->oti_iobuf.dr_pg_buf);
5340 lu_buf_free(&info->oti_iobuf.dr_bl_buf);
5344 static void osd_key_exit(const struct lu_context *ctx,
5345 struct lu_context_key *key, void *data)
5347 struct osd_thread_info *info = data;
5349 LASSERT(info->oti_r_locks == 0);
5350 LASSERT(info->oti_w_locks == 0);
5351 LASSERT(info->oti_txns == 0);
5354 /* type constructor/destructor: osd_type_init, osd_type_fini */
5355 LU_TYPE_INIT_FINI(osd, &osd_key);
5357 struct lu_context_key osd_key = {
5358 .lct_tags = LCT_DT_THREAD | LCT_MD_THREAD | LCT_MG_THREAD | LCT_LOCAL,
5359 .lct_init = osd_key_init,
5360 .lct_fini = osd_key_fini,
5361 .lct_exit = osd_key_exit
5365 static int osd_device_init(const struct lu_env *env, struct lu_device *d,
5366 const char *name, struct lu_device *next)
5368 struct osd_device *osd = osd_dev(d);
5370 if (strlcpy(osd->od_svname, name, sizeof(osd->od_svname))
5371 >= sizeof(osd->od_svname))
5373 return osd_procfs_init(osd, name);
5376 static int osd_shutdown(const struct lu_env *env, struct osd_device *o)
5380 /* shutdown quota slave instance associated with the device */
5381 if (o->od_quota_slave != NULL) {
5382 qsd_fini(env, o->od_quota_slave);
5383 o->od_quota_slave = NULL;
5389 static void osd_umount(const struct lu_env *env, struct osd_device *o)
5393 if (o->od_mnt != NULL) {
5394 shrink_dcache_sb(osd_sb(o));
5395 osd_sync(env, &o->od_dt_dev);
5404 static int osd_mount(const struct lu_env *env,
5405 struct osd_device *o, struct lustre_cfg *cfg)
5407 const char *name = lustre_cfg_string(cfg, 0);
5408 const char *dev = lustre_cfg_string(cfg, 1);
5410 unsigned long page, s_flags, lmd_flags = 0;
5411 struct page *__page;
5412 struct file_system_type *type;
5413 char *options = NULL;
5415 struct osd_thread_info *info = osd_oti_get(env);
5416 struct lu_fid *fid = &info->oti_fid;
5417 struct inode *inode;
5421 if (o->od_mnt != NULL)
5424 if (strlen(dev) >= sizeof(o->od_mntdev))
5426 strcpy(o->od_mntdev, dev);
5428 OBD_PAGE_ALLOC(__page, GFP_IOFS);
5430 GOTO(out, rc = -ENOMEM);
5432 str = lustre_cfg_string(cfg, 2);
5433 s_flags = simple_strtoul(str, NULL, 0);
5434 str = strstr(str, ":");
5436 lmd_flags = simple_strtoul(str + 1, NULL, 0);
5437 opts = lustre_cfg_string(cfg, 3);
5438 page = (unsigned long)page_address(__page);
5439 options = (char *)page;
5442 strcat(options, "user_xattr,acl");
5444 strcat(options, opts);
5446 /* Glom up mount options */
5447 if (*options != '\0')
5448 strcat(options, ",");
5449 strlcat(options, "no_mbcache", PAGE_CACHE_SIZE);
5451 type = get_fs_type("ldiskfs");
5453 CERROR("%s: cannot find ldiskfs module\n", name);
5454 GOTO(out, rc = -ENODEV);
5457 o->od_mnt = vfs_kern_mount(type, s_flags, dev, options);
5458 module_put(type->owner);
5460 if (IS_ERR(o->od_mnt)) {
5461 rc = PTR_ERR(o->od_mnt);
5463 CERROR("%s: can't mount %s: %d\n", name, dev, rc);
5467 #ifdef HAVE_DEV_SET_RDONLY
5468 if (dev_check_rdonly(o->od_mnt->mnt_sb->s_bdev)) {
5469 CERROR("%s: underlying device %s is marked as read-only. "
5470 "Setup failed\n", name, dev);
5471 GOTO(out_mnt, rc = -EROFS);
5475 if (!LDISKFS_HAS_COMPAT_FEATURE(o->od_mnt->mnt_sb,
5476 LDISKFS_FEATURE_COMPAT_HAS_JOURNAL)) {
5477 CERROR("%s: device %s is mounted w/o journal\n", name, dev);
5478 GOTO(out_mnt, rc = -EINVAL);
5481 inode = osd_sb(o)->s_root->d_inode;
5482 ldiskfs_set_inode_state(inode, LDISKFS_STATE_LUSTRE_NO_OI);
5483 lu_local_obj_fid(fid, OSD_FS_ROOT_OID);
5484 rc = osd_ea_fid_set(info, inode, fid, LMAC_NOT_IN_OI, 0);
5486 CERROR("%s: failed to set lma on %s root inode\n", name, dev);
5490 if (lmd_flags & LMD_FLG_NOSCRUB)
5501 OBD_PAGE_FREE(__page);
5506 static struct lu_device *osd_device_fini(const struct lu_env *env,
5507 struct lu_device *d)
5509 struct osd_device *o = osd_dev(d);
5513 osd_shutdown(env, o);
5514 osd_scrub_cleanup(env, o);
5515 osd_obj_map_fini(o);
5521 static int osd_device_init0(const struct lu_env *env,
5522 struct osd_device *o,
5523 struct lustre_cfg *cfg)
5525 struct lu_device *l = osd2lu_dev(o);
5526 struct osd_thread_info *info;
5530 /* if the module was re-loaded, env can loose its keys */
5531 rc = lu_env_refill((struct lu_env *) env);
5534 info = osd_oti_get(env);
5537 l->ld_ops = &osd_lu_ops;
5538 o->od_dt_dev.dd_ops = &osd_dt_ops;
5540 spin_lock_init(&o->od_osfs_lock);
5541 mutex_init(&o->od_otable_mutex);
5542 o->od_osfs_age = cfs_time_shift_64(-1000);
5544 o->od_capa_hash = init_capa_hash();
5545 if (o->od_capa_hash == NULL)
5546 GOTO(out, rc = -ENOMEM);
5548 o->od_read_cache = 1;
5549 o->od_writethrough_cache = 1;
5550 o->od_readcache_max_filesize = OSD_MAX_CACHE_SIZE;
5552 rc = osd_mount(env, o, cfg);
5556 cplen = strlcpy(o->od_svname, lustre_cfg_string(cfg, 4),
5557 sizeof(o->od_svname));
5558 if (cplen >= sizeof(o->od_svname)) {
5563 if (server_name_is_ost(o->od_svname))
5566 rc = osd_obj_map_init(env, o);
5570 rc = lu_site_init(&o->od_site, l);
5572 GOTO(out_compat, rc);
5573 o->od_site.ls_bottom_dev = l;
5575 rc = lu_site_init_finish(&o->od_site);
5579 /* self-repair LMA by default */
5580 o->od_lma_self_repair = 1;
5582 CFS_INIT_LIST_HEAD(&o->od_ios_list);
5583 /* setup scrub, including OI files initialization */
5584 rc = osd_scrub_setup(env, o);
5588 rc = osd_procfs_init(o, o->od_svname);
5590 CERROR("%s: can't initialize procfs: rc = %d\n",
5592 GOTO(out_scrub, rc);
5595 LASSERT(l->ld_site->ls_linkage.next && l->ld_site->ls_linkage.prev);
5597 /* initialize quota slave instance */
5598 o->od_quota_slave = qsd_init(env, o->od_svname, &o->od_dt_dev,
5600 if (IS_ERR(o->od_quota_slave)) {
5601 rc = PTR_ERR(o->od_quota_slave);
5602 o->od_quota_slave = NULL;
5603 GOTO(out_procfs, rc);
5611 osd_scrub_cleanup(env, o);
5613 lu_site_fini(&o->od_site);
5615 osd_obj_map_fini(o);
5619 cleanup_capa_hash(o->od_capa_hash);
5624 static struct lu_device *osd_device_alloc(const struct lu_env *env,
5625 struct lu_device_type *t,
5626 struct lustre_cfg *cfg)
5628 struct osd_device *o;
5633 return ERR_PTR(-ENOMEM);
5635 rc = dt_device_init(&o->od_dt_dev, t);
5637 /* Because the ctx might be revived in dt_device_init,
5638 * refill the env here */
5639 lu_env_refill((struct lu_env *)env);
5640 rc = osd_device_init0(env, o, cfg);
5642 dt_device_fini(&o->od_dt_dev);
5645 if (unlikely(rc != 0))
5648 return rc == 0 ? osd2lu_dev(o) : ERR_PTR(rc);
5651 static struct lu_device *osd_device_free(const struct lu_env *env,
5652 struct lu_device *d)
5654 struct osd_device *o = osd_dev(d);
5657 cleanup_capa_hash(o->od_capa_hash);
5658 /* XXX: make osd top device in order to release reference */
5659 d->ld_site->ls_top_dev = d;
5660 lu_site_purge(env, d->ld_site, -1);
5661 if (!cfs_hash_is_empty(d->ld_site->ls_obj_hash)) {
5662 LIBCFS_DEBUG_MSG_DATA_DECL(msgdata, D_ERROR, NULL);
5663 lu_site_print(env, d->ld_site, &msgdata, lu_cdebug_printer);
5665 lu_site_fini(&o->od_site);
5666 dt_device_fini(&o->od_dt_dev);
5671 static int osd_process_config(const struct lu_env *env,
5672 struct lu_device *d, struct lustre_cfg *cfg)
5674 struct osd_device *o = osd_dev(d);
5678 switch(cfg->lcfg_command) {
5680 err = osd_mount(env, o, cfg);
5683 lu_dev_del_linkage(d->ld_site, d);
5684 err = osd_shutdown(env, o);
5693 static int osd_recovery_complete(const struct lu_env *env,
5694 struct lu_device *d)
5696 struct osd_device *osd = osd_dev(d);
5700 if (osd->od_quota_slave == NULL)
5703 /* start qsd instance on recovery completion, this notifies the quota
5704 * slave code that we are about to process new requests now */
5705 rc = qsd_start(env, osd->od_quota_slave);
5710 * we use exports to track all osd users
5712 static int osd_obd_connect(const struct lu_env *env, struct obd_export **exp,
5713 struct obd_device *obd, struct obd_uuid *cluuid,
5714 struct obd_connect_data *data, void *localdata)
5716 struct osd_device *osd = osd_dev(obd->obd_lu_dev);
5717 struct lustre_handle conn;
5721 CDEBUG(D_CONFIG, "connect #%d\n", osd->od_connects);
5723 rc = class_connect(&conn, obd, cluuid);
5727 *exp = class_conn2export(&conn);
5729 spin_lock(&osd->od_osfs_lock);
5731 spin_unlock(&osd->od_osfs_lock);
5737 * once last export (we don't count self-export) disappeared
5738 * osd can be released
5740 static int osd_obd_disconnect(struct obd_export *exp)
5742 struct obd_device *obd = exp->exp_obd;
5743 struct osd_device *osd = osd_dev(obd->obd_lu_dev);
5744 int rc, release = 0;
5747 /* Only disconnect the underlying layers on the final disconnect. */
5748 spin_lock(&osd->od_osfs_lock);
5750 if (osd->od_connects == 0)
5752 spin_unlock(&osd->od_osfs_lock);
5754 rc = class_disconnect(exp); /* bz 9811 */
5756 if (rc == 0 && release)
5757 class_manual_cleanup(obd);
5761 static int osd_prepare(const struct lu_env *env, struct lu_device *pdev,
5762 struct lu_device *dev)
5764 struct osd_device *osd = osd_dev(dev);
5768 if (osd->od_quota_slave != NULL)
5769 /* set up quota slave objects */
5770 result = qsd_prepare(env, osd->od_quota_slave);
5775 static const struct lu_object_operations osd_lu_obj_ops = {
5776 .loo_object_init = osd_object_init,
5777 .loo_object_delete = osd_object_delete,
5778 .loo_object_release = osd_object_release,
5779 .loo_object_free = osd_object_free,
5780 .loo_object_print = osd_object_print,
5781 .loo_object_invariant = osd_object_invariant
5784 const struct lu_device_operations osd_lu_ops = {
5785 .ldo_object_alloc = osd_object_alloc,
5786 .ldo_process_config = osd_process_config,
5787 .ldo_recovery_complete = osd_recovery_complete,
5788 .ldo_prepare = osd_prepare,
5791 static const struct lu_device_type_operations osd_device_type_ops = {
5792 .ldto_init = osd_type_init,
5793 .ldto_fini = osd_type_fini,
5795 .ldto_start = osd_type_start,
5796 .ldto_stop = osd_type_stop,
5798 .ldto_device_alloc = osd_device_alloc,
5799 .ldto_device_free = osd_device_free,
5801 .ldto_device_init = osd_device_init,
5802 .ldto_device_fini = osd_device_fini
5805 struct lu_device_type osd_device_type = {
5806 .ldt_tags = LU_DEVICE_DT,
5807 .ldt_name = LUSTRE_OSD_LDISKFS_NAME,
5808 .ldt_ops = &osd_device_type_ops,
5809 .ldt_ctx_tags = LCT_LOCAL,
5813 * lprocfs legacy support.
5815 static struct obd_ops osd_obd_device_ops = {
5816 .o_owner = THIS_MODULE,
5817 .o_connect = osd_obd_connect,
5818 .o_disconnect = osd_obd_disconnect
5821 static int __init osd_mod_init(void)
5823 struct lprocfs_static_vars lvars;
5827 lprocfs_osd_init_vars(&lvars);
5829 rc = lu_kmem_init(ldiskfs_caches);
5833 rc = class_register_type(&osd_obd_device_ops, NULL, NULL,
5834 #ifndef HAVE_ONLY_PROCFS_SEQ
5837 LUSTRE_OSD_LDISKFS_NAME, &osd_device_type);
5839 lu_kmem_fini(ldiskfs_caches);
5843 static void __exit osd_mod_exit(void)
5845 class_unregister_type(LUSTRE_OSD_LDISKFS_NAME);
5846 lu_kmem_fini(ldiskfs_caches);
5849 MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
5850 MODULE_DESCRIPTION("Lustre Object Storage Device ("LUSTRE_OSD_LDISKFS_NAME")");
5851 MODULE_LICENSE("GPL");
5853 cfs_module(osd, "0.1.0", osd_mod_init, osd_mod_exit);