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, 2012, Whamcloud, Inc.
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>
60 * struct OBD_{ALLOC,FREE}*()
63 #include <obd_support.h>
64 /* struct ptlrpc_thread */
65 #include <lustre_net.h>
68 #include <lustre_fid.h>
70 #include "osd_internal.h"
73 /* llo_* api support */
74 #include <md_object.h>
75 /* dt_acct_features */
78 #ifdef HAVE_LDISKFS_PDO
80 CFS_MODULE_PARM(ldiskfs_pdo, "i", int, 0644,
81 "ldiskfs with parallel directory operations");
86 static const char dot[] = ".";
87 static const char dotdot[] = "..";
88 static const char remote_obj_dir[] = "REM_OBJ_DIR";
90 static const struct lu_object_operations osd_lu_obj_ops;
91 static const struct dt_object_operations osd_obj_ops;
92 static const struct dt_object_operations osd_obj_ea_ops;
93 static const struct dt_object_operations osd_obj_otable_it_ops;
94 static const struct dt_index_operations osd_index_iam_ops;
95 static const struct dt_index_operations osd_index_ea_ops;
97 static int osd_has_index(const struct osd_object *obj)
99 return obj->oo_dt.do_index_ops != NULL;
102 static int osd_object_invariant(const struct lu_object *l)
104 return osd_invariant(osd_obj(l));
107 #ifdef HAVE_QUOTA_SUPPORT
109 osd_push_ctxt(const struct lu_env *env, struct osd_ctxt *save, bool is_md)
122 save->oc_uid = current_fsuid();
123 save->oc_gid = current_fsgid();
124 save->oc_cap = current_cap();
125 if ((tc = prepare_creds())) {
126 tc->fsuid = uc->mu_fsuid;
127 tc->fsgid = uc->mu_fsgid;
130 /* XXX not suboptimal */
131 cfs_curproc_cap_unpack(uc->mu_cap);
135 osd_pop_ctxt(struct osd_ctxt *save, bool is_md)
143 if ((tc = prepare_creds())) {
144 tc->fsuid = save->oc_uid;
145 tc->fsgid = save->oc_gid;
146 tc->cap_effective = save->oc_cap;
153 * Concurrency: doesn't matter
155 static int osd_read_locked(const struct lu_env *env, struct osd_object *o)
157 return osd_oti_get(env)->oti_r_locks > 0;
161 * Concurrency: doesn't matter
163 static int osd_write_locked(const struct lu_env *env, struct osd_object *o)
165 struct osd_thread_info *oti = osd_oti_get(env);
166 return oti->oti_w_locks > 0 && o->oo_owner == env;
170 * Concurrency: doesn't access mutable data
172 static int osd_root_get(const struct lu_env *env,
173 struct dt_device *dev, struct lu_fid *f)
175 lu_local_obj_fid(f, OSD_FS_ROOT_OID);
180 * OSD object methods.
184 * Concurrency: no concurrent access is possible that early in object
187 static struct lu_object *osd_object_alloc(const struct lu_env *env,
188 const struct lu_object_header *hdr,
191 struct osd_object *mo;
197 l = &mo->oo_dt.do_lu;
198 dt_object_init(&mo->oo_dt, NULL, d);
199 if (osd_dev(d)->od_iop_mode)
200 mo->oo_dt.do_ops = &osd_obj_ea_ops;
202 mo->oo_dt.do_ops = &osd_obj_ops;
204 l->lo_ops = &osd_lu_obj_ops;
205 cfs_init_rwsem(&mo->oo_sem);
206 cfs_init_rwsem(&mo->oo_ext_idx_sem);
207 cfs_spin_lock_init(&mo->oo_guard);
214 static int osd_get_lma(struct inode *inode, struct dentry *dentry,
215 struct lustre_mdt_attrs *lma)
219 dentry->d_inode = inode;
220 rc = inode->i_op->getxattr(dentry, XATTR_NAME_LMA, (void *)lma,
223 /* Check LMA compatibility */
224 if (lma->lma_incompat & ~cpu_to_le32(LMA_INCOMPAT_SUPP)) {
225 CWARN("%.16s: unsupported incompat LMA feature(s) "
227 LDISKFS_SB(inode->i_sb)->s_es->s_volume_name,
228 inode->i_ino, le32_to_cpu(lma->lma_incompat) &
232 lustre_lma_swab(lma);
235 } else if (rc == 0) {
243 * retrieve object from backend ext fs.
245 struct inode *osd_iget(struct osd_thread_info *info, struct osd_device *dev,
246 struct osd_inode_id *id)
248 struct inode *inode = NULL;
250 inode = ldiskfs_iget(osd_sb(dev), id->oii_ino);
252 CDEBUG(D_INODE, "no inode: ino = %u, rc = %ld\n",
253 id->oii_ino, PTR_ERR(inode));
254 } else if (id->oii_gen != OSD_OII_NOGEN &&
255 inode->i_generation != id->oii_gen) {
256 CDEBUG(D_INODE, "unmatched inode: ino = %u, gen0 = %u, "
258 id->oii_ino, id->oii_gen, inode->i_generation);
260 inode = ERR_PTR(-ESTALE);
261 } else if (inode->i_nlink == 0) {
262 /* due to parallel readdir and unlink,
263 * we can have dead inode here. */
264 CDEBUG(D_INODE, "stale inode: ino = %u\n", id->oii_ino);
265 make_bad_inode(inode);
267 inode = ERR_PTR(-ESTALE);
268 } else if (is_bad_inode(inode)) {
269 CWARN("%.16s: bad inode: ino = %u\n",
270 LDISKFS_SB(osd_sb(dev))->s_es->s_volume_name, id->oii_ino);
272 inode = ERR_PTR(-ENOENT);
274 if (id->oii_gen == OSD_OII_NOGEN)
275 osd_id_gen(id, inode->i_ino, inode->i_generation);
277 /* Do not update file c/mtime in ldiskfs.
278 * NB: we don't have any lock to protect this because we don't
279 * have reference on osd_object now, but contention with
280 * another lookup + attr_set can't happen in the tiny window
281 * between if (...) and set S_NOCMTIME. */
282 if (!(inode->i_flags & S_NOCMTIME))
283 inode->i_flags |= S_NOCMTIME;
288 struct inode *osd_iget_fid(struct osd_thread_info *info, struct osd_device *dev,
289 struct osd_inode_id *id, struct lu_fid *fid)
291 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
295 inode = osd_iget(info, dev, id);
299 rc = osd_get_lma(inode, &info->oti_obj_dentry, lma);
301 *fid = lma->lma_self_fid;
302 } else if (rc == -ENODATA) {
303 LU_IGIF_BUILD(fid, inode->i_ino, inode->i_generation);
311 static struct inode *
312 osd_iget_verify(struct osd_thread_info *info, struct osd_device *dev,
313 struct osd_inode_id *id, const struct lu_fid *fid)
315 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
319 inode = osd_iget(info, dev, id);
323 rc = osd_get_lma(inode, &info->oti_obj_dentry, lma);
325 if (rc == -ENODATA) {
326 CDEBUG(D_LFSCK, "inconsistent obj: NULL, %lu, "DFID"\n",
327 inode->i_ino, PFID(fid));
334 if (!lu_fid_eq(fid, &lma->lma_self_fid)) {
335 CDEBUG(D_LFSCK, "inconsistent obj: "DFID", %lu, "DFID"\n",
336 PFID(&lma->lma_self_fid), inode->i_ino, PFID(fid));
338 return ERR_PTR(EREMCHG);
343 static int osd_fid_lookup(const struct lu_env *env, struct osd_object *obj,
344 const struct lu_fid *fid,
345 const struct lu_object_conf *conf)
347 struct osd_thread_info *info;
348 struct lu_device *ldev = obj->oo_dt.do_lu.lo_dev;
349 struct osd_device *dev;
350 struct osd_idmap_cache *oic;
351 struct osd_inode_id *id;
353 struct osd_scrub *scrub;
354 struct scrub_file *sf;
359 LINVRNT(osd_invariant(obj));
360 LASSERT(obj->oo_inode == NULL);
361 LASSERTF(fid_is_sane(fid) || fid_is_idif(fid), DFID, PFID(fid));
364 scrub = &dev->od_scrub;
365 sf = &scrub->os_file;
366 info = osd_oti_get(env);
368 oic = &info->oti_cache;
371 if (OBD_FAIL_CHECK(OBD_FAIL_OST_ENOENT))
374 if (fid_is_norm(fid)) {
375 /* Search order: 1. per-thread cache. */
376 if (lu_fid_eq(fid, &oic->oic_fid)) {
378 } else if (!cfs_list_empty(&scrub->os_inconsistent_items)) {
379 /* Search order: 2. OI scrub pending list. */
380 result = osd_oii_lookup(dev, fid, id);
385 if (sf->sf_flags & SF_INCONSISTENT)
390 * Objects are created as locking anchors or place holders for objects
391 * yet to be created. No need to osd_oi_lookup() at here because FID
392 * shouldn't never be re-used, if it's really a duplicate FID from
393 * unexpected reason, we should be able to detect it later by calling
394 * do_create->osd_oi_insert()
396 if (conf != NULL && (conf->loc_flags & LOC_F_NEW) != 0)
397 GOTO(out, result = 0);
399 /* Search order: 3. OI files. */
400 result = osd_oi_lookup(info, dev, fid, id);
401 if (result == -ENOENT) {
402 if (!fid_is_norm(fid) ||
403 !ldiskfs_test_bit(osd_oi_fid2idx(dev,fid),
405 GOTO(out, result = 0);
415 inode = osd_iget(info, dev, id);
417 inode = osd_iget_verify(info, dev, id, fid);
419 result = PTR_ERR(inode);
420 if (result == -ENOENT || result == -ESTALE) {
421 fid_zero(&oic->oic_fid);
423 } else if (result == -EREMCHG) {
426 if (thread_is_running(&scrub->os_thread)) {
427 result = -EINPROGRESS;
428 } else if (!scrub->os_no_scrub) {
429 result = osd_scrub_start(dev);
430 LCONSOLE_ERROR("%.16s: trigger OI scrub by RPC "
431 "for "DFID", rc = %d [1]\n",
432 LDISKFS_SB(osd_sb(dev))->s_es->\
433 s_volume_name,PFID(fid), result);
434 if (result == 0 || result == -EALREADY)
435 result = -EINPROGRESS;
444 obj->oo_inode = inode;
445 LASSERT(obj->oo_inode->i_sb == osd_sb(dev));
446 if (dev->od_iop_mode) {
447 obj->oo_compat_dot_created = 1;
448 obj->oo_compat_dotdot_created = 1;
451 if (!S_ISDIR(inode->i_mode) || !ldiskfs_pdo) /* done */
452 GOTO(out, result = 0);
454 LASSERT(obj->oo_hl_head == NULL);
455 obj->oo_hl_head = ldiskfs_htree_lock_head_alloc(HTREE_HBITS_DEF);
456 if (obj->oo_hl_head == NULL) {
457 obj->oo_inode = NULL;
459 GOTO(out, result = -ENOMEM);
461 GOTO(out, result = 0);
464 LINVRNT(osd_invariant(obj));
469 * Concurrency: shouldn't matter.
471 static void osd_object_init0(struct osd_object *obj)
473 LASSERT(obj->oo_inode != NULL);
474 obj->oo_dt.do_body_ops = &osd_body_ops;
475 obj->oo_dt.do_lu.lo_header->loh_attr |=
476 (LOHA_EXISTS | (obj->oo_inode->i_mode & S_IFMT));
480 * Concurrency: no concurrent access is possible that early in object
483 static int osd_object_init(const struct lu_env *env, struct lu_object *l,
484 const struct lu_object_conf *conf)
486 struct osd_object *obj = osd_obj(l);
489 LINVRNT(osd_invariant(obj));
491 result = osd_fid_lookup(env, obj, lu_object_fid(l), conf);
492 obj->oo_dt.do_body_ops = &osd_body_ops_new;
494 if (obj->oo_inode != NULL) {
495 osd_object_init0(obj);
496 } else if (fid_is_otable_it(&l->lo_header->loh_fid)) {
497 obj->oo_dt.do_ops = &osd_obj_otable_it_ops;
498 /* LFSCK iterator object is special without inode */
499 l->lo_header->loh_attr |= LOHA_EXISTS;
502 LINVRNT(osd_invariant(obj));
507 * Concurrency: no concurrent access is possible that late in object
510 static void osd_object_free(const struct lu_env *env, struct lu_object *l)
512 struct osd_object *obj = osd_obj(l);
514 LINVRNT(osd_invariant(obj));
516 dt_object_fini(&obj->oo_dt);
517 if (obj->oo_hl_head != NULL)
518 ldiskfs_htree_lock_head_free(obj->oo_hl_head);
523 * Concurrency: no concurrent access is possible that late in object
526 static void osd_index_fini(struct osd_object *o)
528 struct iam_container *bag;
530 if (o->oo_dir != NULL) {
531 bag = &o->oo_dir->od_container;
532 if (o->oo_inode != NULL) {
533 if (bag->ic_object == o->oo_inode)
534 iam_container_fini(bag);
536 OBD_FREE_PTR(o->oo_dir);
542 * Concurrency: no concurrent access is possible that late in object
543 * life-cycle (for all existing callers, that is. New callers have to provide
544 * their own locking.)
546 static int osd_inode_unlinked(const struct inode *inode)
548 return inode->i_nlink == 0;
552 OSD_TXN_OI_DELETE_CREDITS = 20,
553 OSD_TXN_INODE_DELETE_CREDITS = 20
560 #if OSD_THANDLE_STATS
562 * Set time when the handle is allocated
564 static void osd_th_alloced(struct osd_thandle *oth)
566 oth->oth_alloced = cfs_time_current();
570 * Set time when the handle started
572 static void osd_th_started(struct osd_thandle *oth)
574 oth->oth_started = cfs_time_current();
578 * Helper function to convert time interval to microseconds packed in
579 * long int (default time units for the counter in "stats" initialized
580 * by lu_time_init() )
582 static long interval_to_usec(cfs_time_t start, cfs_time_t end)
586 cfs_duration_usec(cfs_time_sub(end, start), &val);
587 return val.tv_sec * 1000000 + val.tv_usec;
591 * Check whether the we deal with this handle for too long.
593 static void __osd_th_check_slow(void *oth, struct osd_device *dev,
594 cfs_time_t alloced, cfs_time_t started,
597 cfs_time_t now = cfs_time_current();
599 LASSERT(dev != NULL);
601 lprocfs_counter_add(dev->od_stats, LPROC_OSD_THANDLE_STARTING,
602 interval_to_usec(alloced, started));
603 lprocfs_counter_add(dev->od_stats, LPROC_OSD_THANDLE_OPEN,
604 interval_to_usec(started, closed));
605 lprocfs_counter_add(dev->od_stats, LPROC_OSD_THANDLE_CLOSING,
606 interval_to_usec(closed, now));
608 if (cfs_time_before(cfs_time_add(alloced, cfs_time_seconds(30)), now)) {
609 CWARN("transaction handle %p was open for too long: "
611 "alloced "CFS_TIME_T" ,"
612 "started "CFS_TIME_T" ,"
613 "closed "CFS_TIME_T"\n",
614 oth, now, alloced, started, closed);
615 libcfs_debug_dumpstack(NULL);
619 #define OSD_CHECK_SLOW_TH(oth, dev, expr) \
621 cfs_time_t __closed = cfs_time_current(); \
622 cfs_time_t __alloced = oth->oth_alloced; \
623 cfs_time_t __started = oth->oth_started; \
626 __osd_th_check_slow(oth, dev, __alloced, __started, __closed); \
629 #else /* OSD_THANDLE_STATS */
631 #define osd_th_alloced(h) do {} while(0)
632 #define osd_th_started(h) do {} while(0)
633 #define OSD_CHECK_SLOW_TH(oth, dev, expr) expr
635 #endif /* OSD_THANDLE_STATS */
638 * Concurrency: doesn't access mutable data.
640 static int osd_param_is_sane(const struct osd_device *dev,
641 const struct thandle *th)
643 struct osd_thandle *oh;
644 oh = container_of0(th, struct osd_thandle, ot_super);
645 return oh->ot_credits <= osd_journal(dev)->j_max_transaction_buffers;
649 * Concurrency: shouldn't matter.
651 #ifdef HAVE_LDISKFS_JOURNAL_CALLBACK_ADD
652 static void osd_trans_commit_cb(struct super_block *sb,
653 struct journal_callback *jcb, int error)
655 static void osd_trans_commit_cb(struct journal_callback *jcb, int error)
658 struct osd_thandle *oh = container_of0(jcb, struct osd_thandle, ot_jcb);
659 struct thandle *th = &oh->ot_super;
660 struct lu_device *lud = &th->th_dev->dd_lu_dev;
661 struct dt_txn_commit_cb *dcb, *tmp;
663 LASSERT(oh->ot_handle == NULL);
666 CERROR("transaction @0x%p commit error: %d\n", th, error);
668 dt_txn_hook_commit(th);
670 /* call per-transaction callbacks if any */
671 cfs_list_for_each_entry_safe(dcb, tmp, &oh->ot_dcb_list, dcb_linkage) {
672 LASSERTF(dcb->dcb_magic == TRANS_COMMIT_CB_MAGIC,
673 "commit callback entry: magic=%x name='%s'\n",
674 dcb->dcb_magic, dcb->dcb_name);
675 cfs_list_del_init(&dcb->dcb_linkage);
676 dcb->dcb_func(NULL, th, dcb, error);
679 lu_ref_del_at(&lud->ld_reference, oh->ot_dev_link, "osd-tx", th);
683 lu_context_exit(&th->th_ctx);
684 lu_context_fini(&th->th_ctx);
688 static struct thandle *osd_trans_create(const struct lu_env *env,
691 struct osd_thread_info *oti = osd_oti_get(env);
692 struct osd_iobuf *iobuf = &oti->oti_iobuf;
693 struct osd_thandle *oh;
697 /* on pending IO in this thread should left from prev. request */
698 LASSERT(cfs_atomic_read(&iobuf->dr_numreqs) == 0);
700 th = ERR_PTR(-ENOMEM);
701 OBD_ALLOC_GFP(oh, sizeof *oh, CFS_ALLOC_IO);
703 oh->ot_quota_trans = &oti->oti_quota_trans;
704 memset(oh->ot_quota_trans, 0, sizeof(*oh->ot_quota_trans));
708 th->th_tags = LCT_TX_HANDLE;
710 oti->oti_dev = osd_dt_dev(d);
711 CFS_INIT_LIST_HEAD(&oh->ot_dcb_list);
718 * Concurrency: shouldn't matter.
720 int osd_trans_start(const struct lu_env *env, struct dt_device *d,
723 struct osd_thread_info *oti = osd_oti_get(env);
724 struct osd_device *dev = osd_dt_dev(d);
726 struct osd_thandle *oh;
731 LASSERT(current->journal_info == NULL);
733 oh = container_of0(th, struct osd_thandle, ot_super);
735 LASSERT(oh->ot_handle == NULL);
737 rc = dt_txn_hook_start(env, d, th);
741 if (!osd_param_is_sane(dev, th)) {
742 CWARN("%.16s: too many transaction credits (%d > %d)\n",
743 LDISKFS_SB(osd_sb(dev))->s_es->s_volume_name,
745 osd_journal(dev)->j_max_transaction_buffers);
746 /* XXX Limit the credits to 'max_transaction_buffers', and
747 * let the underlying filesystem to catch the error if
748 * we really need so many credits.
750 * This should be removed when we can calculate the
751 * credits precisely. */
752 oh->ot_credits = osd_journal(dev)->j_max_transaction_buffers;
753 #ifdef OSD_TRACK_DECLARES
754 CERROR(" attr_set: %d, punch: %d, xattr_set: %d,\n",
755 oh->ot_declare_attr_set, oh->ot_declare_punch,
756 oh->ot_declare_xattr_set);
757 CERROR(" create: %d, ref_add: %d, ref_del: %d, write: %d\n",
758 oh->ot_declare_create, oh->ot_declare_ref_add,
759 oh->ot_declare_ref_del, oh->ot_declare_write);
760 CERROR(" insert: %d, delete: %d, destroy: %d\n",
761 oh->ot_declare_insert, oh->ot_declare_delete,
762 oh->ot_declare_destroy);
767 * XXX temporary stuff. Some abstraction layer should
770 jh = ldiskfs_journal_start_sb(osd_sb(dev), oh->ot_credits);
774 LASSERT(oti->oti_txns == 0);
775 lu_context_init(&th->th_ctx, th->th_tags);
776 lu_context_enter(&th->th_ctx);
778 lu_device_get(&d->dd_lu_dev);
779 oh->ot_dev_link = lu_ref_add(&d->dd_lu_dev.ld_reference,
783 * XXX: current rule is that we first start tx,
784 * then lock object(s), but we can't use
785 * this rule for data (due to locking specifics
786 * in ldiskfs). also in long-term we'd like to
787 * use usually-used (locks;tx) ordering. so,
788 * UGLY thing is that we'll use one ordering for
789 * data (ofd) and reverse ordering for metadata
790 * (mdd). then at some point we'll fix the latter
793 LASSERT(oti->oti_r_locks == 0);
794 LASSERT(oti->oti_w_locks == 0);
807 * Concurrency: shouldn't matter.
809 static int osd_trans_stop(const struct lu_env *env, struct thandle *th)
812 struct osd_thandle *oh;
813 struct osd_thread_info *oti = osd_oti_get(env);
814 struct osd_iobuf *iobuf = &oti->oti_iobuf;
815 struct qsd_instance *qsd = oti->oti_dev->od_quota_slave;
818 oh = container_of0(th, struct osd_thandle, ot_super);
821 /* inform the quota slave device that the transaction is
823 qsd_op_end(env, qsd, oh->ot_quota_trans);
824 oh->ot_quota_trans = NULL;
826 if (oh->ot_handle != NULL) {
827 handle_t *hdl = oh->ot_handle;
830 * add commit callback
831 * notice we don't do this in osd_trans_start()
832 * as underlying transaction can change during truncate
834 osd_journal_callback_set(hdl, osd_trans_commit_cb,
837 LASSERT(oti->oti_txns == 1);
840 * XXX: current rule is that we first start tx,
841 * then lock object(s), but we can't use
842 * this rule for data (due to locking specifics
843 * in ldiskfs). also in long-term we'd like to
844 * use usually-used (locks;tx) ordering. so,
845 * UGLY thing is that we'll use one ordering for
846 * data (ofd) and reverse ordering for metadata
847 * (mdd). then at some point we'll fix the latter
849 if (osd_dt_dev(th->th_dev)->od_is_md) {
850 LASSERT(oti->oti_r_locks == 0);
851 LASSERT(oti->oti_w_locks == 0);
853 rc = dt_txn_hook_stop(env, th);
855 CERROR("Failure in transaction hook: %d\n", rc);
857 /* hook functions might modify th_sync */
858 hdl->h_sync = th->th_sync;
860 oh->ot_handle = NULL;
861 OSD_CHECK_SLOW_TH(oh, oti->oti_dev,
862 rc = ldiskfs_journal_stop(hdl));
864 CERROR("Failure to stop transaction: %d\n", rc);
869 /* as we want IO to journal and data IO be concurrent, we don't block
870 * awaiting data IO completion in osd_do_bio(), instead we wait here
871 * once transaction is submitted to the journal. all reqular requests
872 * don't do direct IO (except read/write), thus this wait_event becomes
875 * IMPORTANT: we have to wait till any IO submited by the thread is
876 * completed otherwise iobuf may be corrupted by different request
878 cfs_wait_event(iobuf->dr_wait,
879 cfs_atomic_read(&iobuf->dr_numreqs) == 0);
881 rc = iobuf->dr_error;
886 static int osd_trans_cb_add(struct thandle *th, struct dt_txn_commit_cb *dcb)
888 struct osd_thandle *oh = container_of0(th, struct osd_thandle,
891 LASSERT(dcb->dcb_magic == TRANS_COMMIT_CB_MAGIC);
892 LASSERT(&dcb->dcb_func != NULL);
893 cfs_list_add(&dcb->dcb_linkage, &oh->ot_dcb_list);
899 * Called just before object is freed. Releases all resources except for
900 * object itself (that is released by osd_object_free()).
902 * Concurrency: no concurrent access is possible that late in object
905 static void osd_object_delete(const struct lu_env *env, struct lu_object *l)
907 struct osd_object *obj = osd_obj(l);
908 struct inode *inode = obj->oo_inode;
910 LINVRNT(osd_invariant(obj));
913 * If object is unlinked remove fid->ino mapping from object index.
919 obj->oo_inode = NULL;
924 * Concurrency: ->loo_object_release() is called under site spin-lock.
926 static void osd_object_release(const struct lu_env *env,
932 * Concurrency: shouldn't matter.
934 static int osd_object_print(const struct lu_env *env, void *cookie,
935 lu_printer_t p, const struct lu_object *l)
937 struct osd_object *o = osd_obj(l);
940 if (o->oo_dir != NULL)
941 d = o->oo_dir->od_container.ic_descr;
944 return (*p)(env, cookie,
945 LUSTRE_OSD_LDISKFS_NAME"-object@%p(i:%p:%lu/%u)[%s]",
947 o->oo_inode ? o->oo_inode->i_ino : 0UL,
948 o->oo_inode ? o->oo_inode->i_generation : 0,
949 d ? d->id_ops->id_name : "plain");
953 * Concurrency: shouldn't matter.
955 int osd_statfs(const struct lu_env *env, struct dt_device *d,
956 struct obd_statfs *sfs)
958 struct osd_device *osd = osd_dt_dev(d);
959 struct super_block *sb = osd_sb(osd);
960 struct kstatfs *ksfs;
963 if (unlikely(osd->od_mnt == NULL))
966 /* osd_lproc.c call this without env, allocate ksfs for that case */
967 if (unlikely(env == NULL)) {
972 ksfs = &osd_oti_get(env)->oti_ksfs;
975 cfs_spin_lock(&osd->od_osfs_lock);
977 if (cfs_time_before_64(osd->od_osfs_age, cfs_time_shift_64(-1))) {
978 result = sb->s_op->statfs(sb->s_root, ksfs);
979 if (likely(result == 0)) { /* N.B. statfs can't really fail */
980 osd->od_osfs_age = cfs_time_current_64();
981 statfs_pack(&osd->od_statfs, ksfs);
985 if (likely(result == 0))
986 *sfs = osd->od_statfs;
987 cfs_spin_unlock(&osd->od_osfs_lock);
989 if (unlikely(env == NULL))
996 * Concurrency: doesn't access mutable data.
998 static void osd_conf_get(const struct lu_env *env,
999 const struct dt_device *dev,
1000 struct dt_device_param *param)
1002 struct super_block *sb = osd_sb(osd_dt_dev(dev));
1005 * XXX should be taken from not-yet-existing fs abstraction layer.
1007 param->ddp_mnt = osd_dt_dev(dev)->od_mnt;
1008 param->ddp_max_name_len = LDISKFS_NAME_LEN;
1009 param->ddp_max_nlink = LDISKFS_LINK_MAX;
1010 param->ddp_block_shift = sb->s_blocksize_bits;
1011 param->ddp_mntopts = 0;
1012 if (test_opt(sb, XATTR_USER))
1013 param->ddp_mntopts |= MNTOPT_USERXATTR;
1014 if (test_opt(sb, POSIX_ACL))
1015 param->ddp_mntopts |= MNTOPT_ACL;
1017 #if defined(LDISKFS_FEATURE_INCOMPAT_EA_INODE)
1018 if (LDISKFS_HAS_INCOMPAT_FEATURE(sb, LDISKFS_FEATURE_INCOMPAT_EA_INODE))
1019 param->ddp_max_ea_size = LDISKFS_XATTR_MAX_LARGE_EA_SIZE;
1022 param->ddp_max_ea_size = sb->s_blocksize;
1027 * Helper function to get and fill the buffer with input values.
1029 static struct lu_buf *osd_buf_get(const struct lu_env *env, void *area, ssize_t len)
1033 buf = &osd_oti_get(env)->oti_buf;
1040 * Concurrency: shouldn't matter.
1042 static int osd_sync(const struct lu_env *env, struct dt_device *d)
1044 CDEBUG(D_HA, "syncing OSD %s\n", LUSTRE_OSD_LDISKFS_NAME);
1045 return ldiskfs_force_commit(osd_sb(osd_dt_dev(d)));
1049 * Start commit for OSD device.
1051 * An implementation of dt_commit_async method for OSD device.
1052 * Asychronously starts underlayng fs sync and thereby a transaction
1055 * \param env environment
1056 * \param d dt device
1058 * \see dt_device_operations
1060 static int osd_commit_async(const struct lu_env *env,
1061 struct dt_device *d)
1063 struct super_block *s = osd_sb(osd_dt_dev(d));
1066 CDEBUG(D_HA, "async commit OSD %s\n", LUSTRE_OSD_LDISKFS_NAME);
1067 RETURN(s->s_op->sync_fs(s, 0));
1071 * Concurrency: shouldn't matter.
1074 static int osd_ro(const struct lu_env *env, struct dt_device *d)
1076 struct super_block *sb = osd_sb(osd_dt_dev(d));
1080 CERROR("*** setting %s read-only ***\n", osd_dt_dev(d)->od_svname);
1082 rc = __lvfs_set_rdonly(sb->s_bdev, LDISKFS_SB(sb)->journal_bdev);
1087 * Concurrency: serialization provided by callers.
1089 static int osd_init_capa_ctxt(const struct lu_env *env, struct dt_device *d,
1090 int mode, unsigned long timeout, __u32 alg,
1091 struct lustre_capa_key *keys)
1093 struct osd_device *dev = osd_dt_dev(d);
1096 dev->od_fl_capa = mode;
1097 dev->od_capa_timeout = timeout;
1098 dev->od_capa_alg = alg;
1099 dev->od_capa_keys = keys;
1104 * Concurrency: serialization provided by callers.
1106 static void osd_init_quota_ctxt(const struct lu_env *env, struct dt_device *d,
1107 struct dt_quota_ctxt *ctxt, void *data)
1109 struct obd_device *obd = (void *)ctxt;
1110 struct vfsmount *mnt = (struct vfsmount *)data;
1113 obd->u.obt.obt_sb = mnt->mnt_root->d_inode->i_sb;
1114 OBD_SET_CTXT_MAGIC(&obd->obd_lvfs_ctxt);
1115 obd->obd_lvfs_ctxt.pwdmnt = mnt;
1116 obd->obd_lvfs_ctxt.pwd = mnt->mnt_root;
1117 obd->obd_lvfs_ctxt.fs = get_ds();
1123 * Note: we do not count into QUOTA here.
1124 * If we mount with --data_journal we may need more.
1126 const int osd_dto_credits_noquota[DTO_NR] = {
1129 * INDEX_EXTRA_TRANS_BLOCKS(8) +
1130 * SINGLEDATA_TRANS_BLOCKS(8)
1131 * XXX Note: maybe iam need more, since iam have more level than
1134 [DTO_INDEX_INSERT] = 16,
1135 [DTO_INDEX_DELETE] = 16,
1139 [DTO_INDEX_UPDATE] = 16,
1141 * Create a object. The same as create object in EXT3.
1142 * DATA_TRANS_BLOCKS(14) +
1143 * INDEX_EXTRA_BLOCKS(8) +
1144 * 3(inode bits, groups, GDT)
1146 [DTO_OBJECT_CREATE] = 25,
1148 * XXX: real credits to be fixed
1150 [DTO_OBJECT_DELETE] = 25,
1152 * Attr set credits (inode)
1154 [DTO_ATTR_SET_BASE] = 1,
1156 * Xattr set. The same as xattr of EXT3.
1157 * DATA_TRANS_BLOCKS(14)
1158 * XXX Note: in original MDS implmentation INDEX_EXTRA_TRANS_BLOCKS
1159 * are also counted in. Do not know why?
1161 [DTO_XATTR_SET] = 14,
1164 * credits for inode change during write.
1166 [DTO_WRITE_BASE] = 3,
1168 * credits for single block write.
1170 [DTO_WRITE_BLOCK] = 14,
1172 * Attr set credits for chown.
1173 * This is extra credits for setattr, and it is null without quota
1175 [DTO_ATTR_SET_CHOWN]= 0
1178 static const struct dt_device_operations osd_dt_ops = {
1179 .dt_root_get = osd_root_get,
1180 .dt_statfs = osd_statfs,
1181 .dt_trans_create = osd_trans_create,
1182 .dt_trans_start = osd_trans_start,
1183 .dt_trans_stop = osd_trans_stop,
1184 .dt_trans_cb_add = osd_trans_cb_add,
1185 .dt_conf_get = osd_conf_get,
1186 .dt_sync = osd_sync,
1188 .dt_commit_async = osd_commit_async,
1189 .dt_init_capa_ctxt = osd_init_capa_ctxt,
1190 .dt_init_quota_ctxt= osd_init_quota_ctxt,
1193 static void osd_object_read_lock(const struct lu_env *env,
1194 struct dt_object *dt, unsigned role)
1196 struct osd_object *obj = osd_dt_obj(dt);
1197 struct osd_thread_info *oti = osd_oti_get(env);
1199 LINVRNT(osd_invariant(obj));
1201 LASSERT(obj->oo_owner != env);
1202 cfs_down_read_nested(&obj->oo_sem, role);
1204 LASSERT(obj->oo_owner == NULL);
1208 static void osd_object_write_lock(const struct lu_env *env,
1209 struct dt_object *dt, unsigned role)
1211 struct osd_object *obj = osd_dt_obj(dt);
1212 struct osd_thread_info *oti = osd_oti_get(env);
1214 LINVRNT(osd_invariant(obj));
1216 LASSERT(obj->oo_owner != env);
1217 cfs_down_write_nested(&obj->oo_sem, role);
1219 LASSERT(obj->oo_owner == NULL);
1220 obj->oo_owner = env;
1224 static void osd_object_read_unlock(const struct lu_env *env,
1225 struct dt_object *dt)
1227 struct osd_object *obj = osd_dt_obj(dt);
1228 struct osd_thread_info *oti = osd_oti_get(env);
1230 LINVRNT(osd_invariant(obj));
1232 LASSERT(oti->oti_r_locks > 0);
1234 cfs_up_read(&obj->oo_sem);
1237 static void osd_object_write_unlock(const struct lu_env *env,
1238 struct dt_object *dt)
1240 struct osd_object *obj = osd_dt_obj(dt);
1241 struct osd_thread_info *oti = osd_oti_get(env);
1243 LINVRNT(osd_invariant(obj));
1245 LASSERT(obj->oo_owner == env);
1246 LASSERT(oti->oti_w_locks > 0);
1248 obj->oo_owner = NULL;
1249 cfs_up_write(&obj->oo_sem);
1252 static int osd_object_write_locked(const struct lu_env *env,
1253 struct dt_object *dt)
1255 struct osd_object *obj = osd_dt_obj(dt);
1257 LINVRNT(osd_invariant(obj));
1259 return obj->oo_owner == env;
1262 static int capa_is_sane(const struct lu_env *env,
1263 struct osd_device *dev,
1264 struct lustre_capa *capa,
1265 struct lustre_capa_key *keys)
1267 struct osd_thread_info *oti = osd_oti_get(env);
1268 struct lustre_capa *tcapa = &oti->oti_capa;
1269 struct obd_capa *oc;
1273 oc = capa_lookup(dev->od_capa_hash, capa, 0);
1275 if (capa_is_expired(oc)) {
1276 DEBUG_CAPA(D_ERROR, capa, "expired");
1283 if (capa_is_expired_sec(capa)) {
1284 DEBUG_CAPA(D_ERROR, capa, "expired");
1288 cfs_spin_lock(&capa_lock);
1289 for (i = 0; i < 2; i++) {
1290 if (keys[i].lk_keyid == capa->lc_keyid) {
1291 oti->oti_capa_key = keys[i];
1295 cfs_spin_unlock(&capa_lock);
1298 DEBUG_CAPA(D_ERROR, capa, "no matched capa key");
1302 rc = capa_hmac(tcapa->lc_hmac, capa, oti->oti_capa_key.lk_key);
1306 if (memcmp(tcapa->lc_hmac, capa->lc_hmac, sizeof(capa->lc_hmac))) {
1307 DEBUG_CAPA(D_ERROR, capa, "HMAC mismatch");
1311 oc = capa_add(dev->od_capa_hash, capa);
1317 int osd_object_auth(const struct lu_env *env, struct dt_object *dt,
1318 struct lustre_capa *capa, __u64 opc)
1320 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
1321 struct osd_device *dev = osd_dev(dt->do_lu.lo_dev);
1322 struct md_capainfo *ci;
1325 if (!dev->od_fl_capa)
1328 if (capa == BYPASS_CAPA)
1331 ci = md_capainfo(env);
1335 if (ci->mc_auth == LC_ID_NONE)
1339 CERROR("no capability is provided for fid "DFID"\n", PFID(fid));
1343 if (!lu_fid_eq(fid, &capa->lc_fid)) {
1344 DEBUG_CAPA(D_ERROR, capa, "fid "DFID" mismatch with",
1349 if (!capa_opc_supported(capa, opc)) {
1350 DEBUG_CAPA(D_ERROR, capa, "opc "LPX64" not supported by", opc);
1354 if ((rc = capa_is_sane(env, dev, capa, dev->od_capa_keys))) {
1355 DEBUG_CAPA(D_ERROR, capa, "insane (rc %d)", rc);
1362 static struct timespec *osd_inode_time(const struct lu_env *env,
1363 struct inode *inode, __u64 seconds)
1365 struct osd_thread_info *oti = osd_oti_get(env);
1366 struct timespec *t = &oti->oti_time;
1368 t->tv_sec = seconds;
1370 *t = timespec_trunc(*t, inode->i_sb->s_time_gran);
1375 static void osd_inode_getattr(const struct lu_env *env,
1376 struct inode *inode, struct lu_attr *attr)
1378 attr->la_valid |= LA_ATIME | LA_MTIME | LA_CTIME | LA_MODE |
1379 LA_SIZE | LA_BLOCKS | LA_UID | LA_GID |
1380 LA_FLAGS | LA_NLINK | LA_RDEV | LA_BLKSIZE;
1382 attr->la_atime = LTIME_S(inode->i_atime);
1383 attr->la_mtime = LTIME_S(inode->i_mtime);
1384 attr->la_ctime = LTIME_S(inode->i_ctime);
1385 attr->la_mode = inode->i_mode;
1386 attr->la_size = i_size_read(inode);
1387 attr->la_blocks = inode->i_blocks;
1388 attr->la_uid = inode->i_uid;
1389 attr->la_gid = inode->i_gid;
1390 attr->la_flags = LDISKFS_I(inode)->i_flags;
1391 attr->la_nlink = inode->i_nlink;
1392 attr->la_rdev = inode->i_rdev;
1393 attr->la_blksize = 1 << inode->i_blkbits;
1394 attr->la_blkbits = inode->i_blkbits;
1397 static int osd_attr_get(const struct lu_env *env,
1398 struct dt_object *dt,
1399 struct lu_attr *attr,
1400 struct lustre_capa *capa)
1402 struct osd_object *obj = osd_dt_obj(dt);
1404 LASSERT(dt_object_exists(dt));
1405 LINVRNT(osd_invariant(obj));
1407 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_READ))
1410 cfs_spin_lock(&obj->oo_guard);
1411 osd_inode_getattr(env, obj->oo_inode, attr);
1412 cfs_spin_unlock(&obj->oo_guard);
1416 static int osd_declare_attr_set(const struct lu_env *env,
1417 struct dt_object *dt,
1418 const struct lu_attr *attr,
1419 struct thandle *handle)
1421 struct osd_thandle *oh;
1422 struct osd_object *obj;
1423 struct osd_thread_info *info = osd_oti_get(env);
1424 struct lquota_id_info *qi = &info->oti_qi;
1430 LASSERT(dt != NULL);
1431 LASSERT(handle != NULL);
1433 obj = osd_dt_obj(dt);
1434 LASSERT(osd_invariant(obj));
1436 oh = container_of0(handle, struct osd_thandle, ot_super);
1437 LASSERT(oh->ot_handle == NULL);
1439 OSD_DECLARE_OP(oh, attr_set);
1440 oh->ot_credits += osd_dto_credits_noquota[DTO_ATTR_SET_BASE];
1442 if (attr == NULL || obj->oo_inode == NULL)
1445 bspace = obj->oo_inode->i_blocks;
1446 bspace <<= obj->oo_inode->i_sb->s_blocksize_bits;
1447 bspace = toqb(bspace);
1449 /* Changing ownership is always preformed by super user, it should not
1452 * We still need to call the osd_declare_qid() to calculate the journal
1453 * credits for updating quota accounting files and to trigger quota
1454 * space adjustment once the operation is completed.*/
1455 if ((attr->la_valid & LA_UID) != 0 &&
1456 attr->la_uid != obj->oo_inode->i_uid) {
1457 qi->lqi_type = USRQUOTA;
1459 /* inode accounting */
1460 qi->lqi_is_blk = false;
1462 /* one more inode for the new owner ... */
1463 qi->lqi_id.qid_uid = attr->la_uid;
1465 allocated = (attr->la_uid == 0) ? true : false;
1466 rc = osd_declare_qid(env, oh, qi, allocated, NULL);
1467 if (rc == -EDQUOT || rc == -EINPROGRESS)
1472 /* and one less inode for the current uid */
1473 qi->lqi_id.qid_uid = obj->oo_inode->i_uid;
1475 rc = osd_declare_qid(env, oh, qi, true, NULL);
1476 if (rc == -EDQUOT || rc == -EINPROGRESS)
1481 /* block accounting */
1482 qi->lqi_is_blk = true;
1484 /* more blocks for the new owner ... */
1485 qi->lqi_id.qid_uid = attr->la_uid;
1486 qi->lqi_space = bspace;
1487 allocated = (attr->la_uid == 0) ? true : false;
1488 rc = osd_declare_qid(env, oh, qi, allocated, NULL);
1489 if (rc == -EDQUOT || rc == -EINPROGRESS)
1494 /* and finally less blocks for the current owner */
1495 qi->lqi_id.qid_uid = obj->oo_inode->i_uid;
1496 qi->lqi_space = -bspace;
1497 rc = osd_declare_qid(env, oh, qi, true, NULL);
1498 if (rc == -EDQUOT || rc == -EINPROGRESS)
1504 if (attr->la_valid & LA_GID &&
1505 attr->la_gid != obj->oo_inode->i_gid) {
1506 qi->lqi_type = GRPQUOTA;
1508 /* inode accounting */
1509 qi->lqi_is_blk = false;
1511 /* one more inode for the new group owner ... */
1512 qi->lqi_id.qid_gid = attr->la_gid;
1514 allocated = (attr->la_gid == 0) ? true : false;
1515 rc = osd_declare_qid(env, oh, qi, allocated, NULL);
1516 if (rc == -EDQUOT || rc == -EINPROGRESS)
1521 /* and one less inode for the current gid */
1522 qi->lqi_id.qid_gid = obj->oo_inode->i_gid;
1524 rc = osd_declare_qid(env, oh, qi, true, NULL);
1525 if (rc == -EDQUOT || rc == -EINPROGRESS)
1530 /* block accounting */
1531 qi->lqi_is_blk = true;
1533 /* more blocks for the new owner ... */
1534 qi->lqi_id.qid_gid = attr->la_gid;
1535 qi->lqi_space = bspace;
1536 allocated = (attr->la_gid == 0) ? true : false;
1537 rc = osd_declare_qid(env, oh, qi, allocated, NULL);
1538 if (rc == -EDQUOT || rc == -EINPROGRESS)
1543 /* and finally less blocks for the current owner */
1544 qi->lqi_id.qid_gid = obj->oo_inode->i_gid;
1545 qi->lqi_space = -bspace;
1546 rc = osd_declare_qid(env, oh, qi, true, NULL);
1547 if (rc == -EDQUOT || rc == -EINPROGRESS)
1556 static int osd_inode_setattr(const struct lu_env *env,
1557 struct inode *inode, const struct lu_attr *attr)
1561 bits = attr->la_valid;
1563 LASSERT(!(bits & LA_TYPE)); /* Huh? You want too much. */
1565 if (bits & LA_ATIME)
1566 inode->i_atime = *osd_inode_time(env, inode, attr->la_atime);
1567 if (bits & LA_CTIME)
1568 inode->i_ctime = *osd_inode_time(env, inode, attr->la_ctime);
1569 if (bits & LA_MTIME)
1570 inode->i_mtime = *osd_inode_time(env, inode, attr->la_mtime);
1571 if (bits & LA_SIZE) {
1572 LDISKFS_I(inode)->i_disksize = attr->la_size;
1573 i_size_write(inode, attr->la_size);
1577 /* OSD should not change "i_blocks" which is used by quota.
1578 * "i_blocks" should be changed by ldiskfs only. */
1579 if (bits & LA_BLOCKS)
1580 inode->i_blocks = attr->la_blocks;
1583 inode->i_mode = (inode->i_mode & S_IFMT) |
1584 (attr->la_mode & ~S_IFMT);
1586 inode->i_uid = attr->la_uid;
1588 inode->i_gid = attr->la_gid;
1589 if (bits & LA_NLINK)
1590 inode->i_nlink = attr->la_nlink;
1592 inode->i_rdev = attr->la_rdev;
1594 if (bits & LA_FLAGS) {
1595 /* always keep S_NOCMTIME */
1596 inode->i_flags = ll_ext_to_inode_flags(attr->la_flags) |
1602 static int osd_quota_transfer(struct inode *inode, const struct lu_attr *attr)
1604 if ((attr->la_valid & LA_UID && attr->la_uid != inode->i_uid) ||
1605 (attr->la_valid & LA_GID && attr->la_gid != inode->i_gid)) {
1610 if (attr->la_valid & LA_UID)
1611 iattr.ia_valid |= ATTR_UID;
1612 if (attr->la_valid & LA_GID)
1613 iattr.ia_valid |= ATTR_GID;
1614 iattr.ia_uid = attr->la_uid;
1615 iattr.ia_gid = attr->la_gid;
1617 rc = ll_vfs_dq_transfer(inode, &iattr);
1619 CERROR("%s: quota transfer failed: rc = %d. Is quota "
1620 "enforcement enabled on the ldiskfs filesystem?",
1621 inode->i_sb->s_id, rc);
1628 static int osd_attr_set(const struct lu_env *env,
1629 struct dt_object *dt,
1630 const struct lu_attr *attr,
1631 struct thandle *handle,
1632 struct lustre_capa *capa)
1634 struct osd_object *obj = osd_dt_obj(dt);
1635 struct inode *inode;
1638 LASSERT(handle != NULL);
1639 LASSERT(dt_object_exists(dt));
1640 LASSERT(osd_invariant(obj));
1642 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_WRITE))
1645 OSD_EXEC_OP(handle, attr_set);
1647 inode = obj->oo_inode;
1648 if (!osd_dt_dev(handle->th_dev)->od_is_md) {
1650 rc = osd_quota_transfer(inode, attr);
1654 #ifdef HAVE_QUOTA_SUPPORT
1655 if ((attr->la_valid & LA_UID && attr->la_uid != inode->i_uid) ||
1656 (attr->la_valid & LA_GID && attr->la_gid != inode->i_gid)) {
1657 struct osd_ctxt *save = &osd_oti_get(env)->oti_ctxt;
1662 if (attr->la_valid & LA_UID)
1663 iattr.ia_valid |= ATTR_UID;
1664 if (attr->la_valid & LA_GID)
1665 iattr.ia_valid |= ATTR_GID;
1666 iattr.ia_uid = attr->la_uid;
1667 iattr.ia_gid = attr->la_gid;
1668 osd_push_ctxt(env, save, 1);
1669 rc = ll_vfs_dq_transfer(inode, &iattr) ? -EDQUOT : 0;
1670 osd_pop_ctxt(save, 1);
1676 cfs_spin_lock(&obj->oo_guard);
1677 rc = osd_inode_setattr(env, inode, attr);
1678 cfs_spin_unlock(&obj->oo_guard);
1681 inode->i_sb->s_op->dirty_inode(inode);
1685 struct dentry *osd_child_dentry_get(const struct lu_env *env,
1686 struct osd_object *obj,
1687 const char *name, const int namelen)
1689 return osd_child_dentry_by_inode(env, obj->oo_inode, name, namelen);
1692 static int osd_mkfile(struct osd_thread_info *info, struct osd_object *obj,
1694 struct dt_allocation_hint *hint,
1698 struct osd_device *osd = osd_obj2dev(obj);
1699 struct osd_thandle *oth;
1700 struct dt_object *parent = NULL;
1701 struct inode *inode;
1702 #ifdef HAVE_QUOTA_SUPPORT
1703 struct osd_ctxt *save = &info->oti_ctxt;
1706 LINVRNT(osd_invariant(obj));
1707 LASSERT(obj->oo_inode == NULL);
1708 LASSERT(obj->oo_hl_head == NULL);
1710 if (S_ISDIR(mode) && ldiskfs_pdo) {
1711 obj->oo_hl_head =ldiskfs_htree_lock_head_alloc(HTREE_HBITS_DEF);
1712 if (obj->oo_hl_head == NULL)
1716 oth = container_of(th, struct osd_thandle, ot_super);
1717 LASSERT(oth->ot_handle->h_transaction != NULL);
1719 if (hint && hint->dah_parent)
1720 parent = hint->dah_parent;
1722 #ifdef HAVE_QUOTA_SUPPORT
1723 osd_push_ctxt(info->oti_env, save, osd_dt_dev(th->th_dev)->od_is_md);
1725 inode = ldiskfs_create_inode(oth->ot_handle,
1726 parent ? osd_dt_obj(parent)->oo_inode :
1727 osd_sb(osd)->s_root->d_inode,
1729 #ifdef HAVE_QUOTA_SUPPORT
1730 osd_pop_ctxt(save, osd_dt_dev(th->th_dev)->od_is_md);
1732 if (!IS_ERR(inode)) {
1733 /* Do not update file c/mtime in ldiskfs.
1734 * NB: don't need any lock because no contention at this
1736 inode->i_flags |= S_NOCMTIME;
1737 inode->i_state |= I_LUSTRE_NOSCRUB;
1738 obj->oo_inode = inode;
1741 if (obj->oo_hl_head != NULL) {
1742 ldiskfs_htree_lock_head_free(obj->oo_hl_head);
1743 obj->oo_hl_head = NULL;
1745 result = PTR_ERR(inode);
1747 LINVRNT(osd_invariant(obj));
1755 static int osd_mkdir(struct osd_thread_info *info, struct osd_object *obj,
1756 struct lu_attr *attr,
1757 struct dt_allocation_hint *hint,
1758 struct dt_object_format *dof,
1762 struct osd_thandle *oth;
1763 struct osd_device *osd = osd_obj2dev(obj);
1764 __u32 mode = (attr->la_mode & (S_IFMT | S_IRWXUGO | S_ISVTX));
1766 LASSERT(S_ISDIR(attr->la_mode));
1768 oth = container_of(th, struct osd_thandle, ot_super);
1769 LASSERT(oth->ot_handle->h_transaction != NULL);
1770 result = osd_mkfile(info, obj, mode, hint, th);
1771 if (result == 0 && osd->od_iop_mode == 0) {
1772 LASSERT(obj->oo_inode != NULL);
1774 * XXX uh-oh... call low-level iam function directly.
1777 result = iam_lvar_create(obj->oo_inode, OSD_NAME_LEN, 4,
1778 sizeof (struct osd_fid_pack),
1784 static int osd_mk_index(struct osd_thread_info *info, struct osd_object *obj,
1785 struct lu_attr *attr,
1786 struct dt_allocation_hint *hint,
1787 struct dt_object_format *dof,
1791 struct osd_thandle *oth;
1792 const struct dt_index_features *feat = dof->u.dof_idx.di_feat;
1794 __u32 mode = (attr->la_mode & (S_IFMT | S_IALLUGO | S_ISVTX));
1796 LASSERT(S_ISREG(attr->la_mode));
1798 oth = container_of(th, struct osd_thandle, ot_super);
1799 LASSERT(oth->ot_handle->h_transaction != NULL);
1801 result = osd_mkfile(info, obj, mode, hint, th);
1803 LASSERT(obj->oo_inode != NULL);
1804 if (feat->dif_flags & DT_IND_VARKEY)
1805 result = iam_lvar_create(obj->oo_inode,
1806 feat->dif_keysize_max,
1808 feat->dif_recsize_max,
1811 result = iam_lfix_create(obj->oo_inode,
1812 feat->dif_keysize_max,
1814 feat->dif_recsize_max,
1821 static int osd_mkreg(struct osd_thread_info *info, struct osd_object *obj,
1822 struct lu_attr *attr,
1823 struct dt_allocation_hint *hint,
1824 struct dt_object_format *dof,
1827 LASSERT(S_ISREG(attr->la_mode));
1828 return osd_mkfile(info, obj, (attr->la_mode &
1829 (S_IFMT | S_IALLUGO | S_ISVTX)), hint, th);
1832 static int osd_mksym(struct osd_thread_info *info, struct osd_object *obj,
1833 struct lu_attr *attr,
1834 struct dt_allocation_hint *hint,
1835 struct dt_object_format *dof,
1838 LASSERT(S_ISLNK(attr->la_mode));
1839 return osd_mkfile(info, obj, (attr->la_mode &
1840 (S_IFMT | S_IALLUGO | S_ISVTX)), hint, th);
1843 static int osd_mknod(struct osd_thread_info *info, struct osd_object *obj,
1844 struct lu_attr *attr,
1845 struct dt_allocation_hint *hint,
1846 struct dt_object_format *dof,
1849 cfs_umode_t mode = attr->la_mode & (S_IFMT | S_IALLUGO | S_ISVTX);
1852 LINVRNT(osd_invariant(obj));
1853 LASSERT(obj->oo_inode == NULL);
1854 LASSERT(S_ISCHR(mode) || S_ISBLK(mode) ||
1855 S_ISFIFO(mode) || S_ISSOCK(mode));
1857 result = osd_mkfile(info, obj, mode, hint, th);
1859 LASSERT(obj->oo_inode != NULL);
1861 * This inode should be marked dirty for i_rdev. Currently
1862 * that is done in the osd_attr_init().
1864 init_special_inode(obj->oo_inode, mode, attr->la_rdev);
1866 LINVRNT(osd_invariant(obj));
1870 typedef int (*osd_obj_type_f)(struct osd_thread_info *, struct osd_object *,
1872 struct dt_allocation_hint *hint,
1873 struct dt_object_format *dof,
1876 static osd_obj_type_f osd_create_type_f(enum dt_format_type type)
1878 osd_obj_type_f result;
1894 result = osd_mk_index;
1905 static void osd_ah_init(const struct lu_env *env, struct dt_allocation_hint *ah,
1906 struct dt_object *parent, struct dt_object *child,
1907 cfs_umode_t child_mode)
1911 memset(ah, 0, sizeof(*ah));
1912 ah->dah_parent = parent;
1913 ah->dah_mode = child_mode;
1916 static void osd_attr_init(struct osd_thread_info *info, struct osd_object *obj,
1917 struct lu_attr *attr, struct dt_object_format *dof)
1919 struct inode *inode = obj->oo_inode;
1920 __u64 valid = attr->la_valid;
1923 attr->la_valid &= ~(LA_TYPE | LA_MODE);
1925 if (dof->dof_type != DFT_NODE)
1926 attr->la_valid &= ~LA_RDEV;
1927 if ((valid & LA_ATIME) && (attr->la_atime == LTIME_S(inode->i_atime)))
1928 attr->la_valid &= ~LA_ATIME;
1929 if ((valid & LA_CTIME) && (attr->la_ctime == LTIME_S(inode->i_ctime)))
1930 attr->la_valid &= ~LA_CTIME;
1931 if ((valid & LA_MTIME) && (attr->la_mtime == LTIME_S(inode->i_mtime)))
1932 attr->la_valid &= ~LA_MTIME;
1934 if (!osd_obj2dev(obj)->od_is_md) {
1936 result = osd_quota_transfer(inode, attr);
1940 #ifdef HAVE_QUOTA_SUPPORT
1941 attr->la_valid &= ~(LA_UID | LA_GID);
1945 if (attr->la_valid != 0) {
1946 result = osd_inode_setattr(info->oti_env, inode, attr);
1948 * The osd_inode_setattr() should always succeed here. The
1949 * only error that could be returned is EDQUOT when we are
1950 * trying to change the UID or GID of the inode. However, this
1951 * should not happen since quota enforcement is no longer
1952 * enabled on ldiskfs (lquota takes care of it).
1954 LASSERTF(result == 0, "%d", result);
1955 inode->i_sb->s_op->dirty_inode(inode);
1958 attr->la_valid = valid;
1962 * Helper function for osd_object_create()
1964 * \retval 0, on success
1966 static int __osd_object_create(struct osd_thread_info *info,
1967 struct osd_object *obj, struct lu_attr *attr,
1968 struct dt_allocation_hint *hint,
1969 struct dt_object_format *dof,
1975 /* we drop umask so that permissions we pass are not affected */
1976 umask = current->fs->umask;
1977 current->fs->umask = 0;
1979 result = osd_create_type_f(dof->dof_type)(info, obj, attr, hint, dof,
1982 osd_attr_init(info, obj, attr, dof);
1983 osd_object_init0(obj);
1985 if (obj->oo_inode && (obj->oo_inode->i_state & I_NEW))
1986 unlock_new_inode(obj->oo_inode);
1989 /* restore previous umask value */
1990 current->fs->umask = umask;
1996 * Helper function for osd_object_create()
1998 * \retval 0, on success
2000 static int __osd_oi_insert(const struct lu_env *env, struct osd_object *obj,
2001 const struct lu_fid *fid, struct thandle *th)
2003 struct osd_thread_info *info = osd_oti_get(env);
2004 struct osd_inode_id *id = &info->oti_id;
2005 struct osd_device *osd = osd_obj2dev(obj);
2007 LASSERT(obj->oo_inode != NULL);
2009 if (osd->od_is_md) {
2010 struct md_ucred *uc = md_ucred(env);
2011 LASSERT(uc != NULL);
2014 osd_id_gen(id, obj->oo_inode->i_ino, obj->oo_inode->i_generation);
2015 return osd_oi_insert(info, osd, fid, id, th);
2018 static int osd_declare_object_create(const struct lu_env *env,
2019 struct dt_object *dt,
2020 struct lu_attr *attr,
2021 struct dt_allocation_hint *hint,
2022 struct dt_object_format *dof,
2023 struct thandle *handle)
2025 struct osd_thandle *oh;
2029 LASSERT(handle != NULL);
2031 oh = container_of0(handle, struct osd_thandle, ot_super);
2032 LASSERT(oh->ot_handle == NULL);
2034 OSD_DECLARE_OP(oh, create);
2035 oh->ot_credits += osd_dto_credits_noquota[DTO_OBJECT_CREATE];
2036 /* XXX: So far, only normal fid needs be inserted into the oi,
2037 * things could be changed later. Revise following code then. */
2038 if (fid_is_norm(lu_object_fid(&dt->do_lu))) {
2039 OSD_DECLARE_OP(oh, insert);
2040 oh->ot_credits += osd_dto_credits_noquota[DTO_INDEX_INSERT];
2041 /* Reuse idle OI block may cause additional one OI block
2043 oh->ot_credits += 1;
2045 /* If this is directory, then we expect . and .. to be inserted as
2046 * well. The one directory block always needs to be created for the
2047 * directory, so we could use DTO_WRITE_BASE here (GDT, block bitmap,
2048 * block), there is no danger of needing a tree for the first block.
2050 if (attr && S_ISDIR(attr->la_mode)) {
2051 OSD_DECLARE_OP(oh, insert);
2052 OSD_DECLARE_OP(oh, insert);
2053 oh->ot_credits += osd_dto_credits_noquota[DTO_WRITE_BASE];
2059 rc = osd_declare_inode_qid(env, attr->la_uid, attr->la_gid, 1, oh,
2060 false, false, NULL, false);
2064 static int osd_object_create(const struct lu_env *env, struct dt_object *dt,
2065 struct lu_attr *attr,
2066 struct dt_allocation_hint *hint,
2067 struct dt_object_format *dof,
2070 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
2071 struct osd_object *obj = osd_dt_obj(dt);
2072 struct osd_thread_info *info = osd_oti_get(env);
2077 LINVRNT(osd_invariant(obj));
2078 LASSERT(!dt_object_exists(dt));
2079 LASSERT(osd_write_locked(env, obj));
2080 LASSERT(th != NULL);
2082 if (unlikely(fid_is_acct(fid)))
2083 /* Quota files can't be created from the kernel any more,
2084 * 'tune2fs -O quota' will take care of creating them */
2087 OSD_EXEC_OP(th, create);
2089 result = __osd_object_create(info, obj, attr, hint, dof, th);
2091 result = __osd_oi_insert(env, obj, fid, th);
2093 LASSERT(ergo(result == 0, dt_object_exists(dt)));
2094 LASSERT(osd_invariant(obj));
2099 * Called to destroy on-disk representation of the object
2101 * Concurrency: must be locked
2103 static int osd_declare_object_destroy(const struct lu_env *env,
2104 struct dt_object *dt,
2107 struct osd_object *obj = osd_dt_obj(dt);
2108 struct inode *inode = obj->oo_inode;
2109 struct osd_thandle *oh;
2113 oh = container_of0(th, struct osd_thandle, ot_super);
2114 LASSERT(oh->ot_handle == NULL);
2117 OSD_DECLARE_OP(oh, destroy);
2118 OSD_DECLARE_OP(oh, delete);
2119 oh->ot_credits += osd_dto_credits_noquota[DTO_OBJECT_DELETE];
2120 /* XXX: So far, only normal fid needs to be inserted into the OI,
2121 * so only normal fid needs to be removed from the OI also. */
2122 if (fid_is_norm(lu_object_fid(&dt->do_lu))) {
2123 oh->ot_credits += osd_dto_credits_noquota[DTO_INDEX_DELETE];
2124 /* Recycle idle OI leaf may cause additional three OI blocks
2126 oh->ot_credits += 3;
2129 /* one less inode */
2130 rc = osd_declare_inode_qid(env, inode->i_uid, inode->i_gid, -1, oh,
2131 false, true, NULL, false);
2134 /* data to be truncated */
2135 rc = osd_declare_inode_qid(env, inode->i_uid, inode->i_gid, 0, oh, true,
2140 static int osd_object_destroy(const struct lu_env *env,
2141 struct dt_object *dt,
2144 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
2145 struct osd_object *obj = osd_dt_obj(dt);
2146 struct inode *inode = obj->oo_inode;
2147 struct osd_device *osd = osd_obj2dev(obj);
2148 struct osd_thandle *oh;
2152 oh = container_of0(th, struct osd_thandle, ot_super);
2153 LASSERT(oh->ot_handle);
2155 LASSERT(!lu_object_is_dying(dt->do_lu.lo_header));
2157 if (unlikely(fid_is_acct(fid)))
2160 /* Parallel control for OI scrub. For most of cases, there is no
2161 * lock contention. So it will not affect unlink performance. */
2162 cfs_mutex_lock(&inode->i_mutex);
2163 if (S_ISDIR(inode->i_mode)) {
2164 LASSERT(osd_inode_unlinked(inode) ||
2165 inode->i_nlink == 1);
2166 cfs_spin_lock(&obj->oo_guard);
2168 cfs_spin_unlock(&obj->oo_guard);
2169 inode->i_sb->s_op->dirty_inode(inode);
2171 LASSERT(osd_inode_unlinked(inode));
2174 OSD_EXEC_OP(th, destroy);
2176 result = osd_oi_delete(osd_oti_get(env), osd, fid, th);
2177 cfs_mutex_unlock(&inode->i_mutex);
2179 /* XXX: add to ext3 orphan list */
2180 /* rc = ext3_orphan_add(handle_t *handle, struct inode *inode) */
2182 /* not needed in the cache anymore */
2183 set_bit(LU_OBJECT_HEARD_BANSHEE, &dt->do_lu.lo_header->loh_flags);
2189 * Helper function for osd_xattr_set()
2191 static int __osd_xattr_set(const struct lu_env *env, struct dt_object *dt,
2192 const struct lu_buf *buf, const char *name, int fl)
2194 struct osd_object *obj = osd_dt_obj(dt);
2195 struct inode *inode = obj->oo_inode;
2196 struct osd_thread_info *info = osd_oti_get(env);
2197 struct dentry *dentry = &info->oti_child_dentry;
2201 LASSERT(dt_object_exists(dt));
2202 LASSERT(inode->i_op != NULL && inode->i_op->setxattr != NULL);
2204 if (fl & LU_XATTR_REPLACE)
2205 fs_flags |= XATTR_REPLACE;
2207 if (fl & LU_XATTR_CREATE)
2208 fs_flags |= XATTR_CREATE;
2210 dentry->d_inode = inode;
2211 rc = inode->i_op->setxattr(dentry, name, buf->lb_buf,
2212 buf->lb_len, fs_flags);
2217 * Put the fid into lustre_mdt_attrs, and then place the structure
2218 * inode's ea. This fid should not be altered during the life time
2221 * \retval +ve, on success
2222 * \retval -ve, on error
2224 * FIXME: It is good to have/use ldiskfs_xattr_set_handle() here
2226 static int osd_ea_fid_set(const struct lu_env *env, struct dt_object *dt,
2227 const struct lu_fid *fid)
2229 struct osd_thread_info *info = osd_oti_get(env);
2230 struct lustre_mdt_attrs *mdt_attrs = &info->oti_mdt_attrs;
2232 lustre_lma_init(mdt_attrs, fid);
2233 lustre_lma_swab(mdt_attrs);
2234 return __osd_xattr_set(env, dt,
2235 osd_buf_get(env, mdt_attrs, sizeof *mdt_attrs),
2236 XATTR_NAME_LMA, LU_XATTR_CREATE);
2241 * ldiskfs supports fid in dirent, it is passed in dentry->d_fsdata.
2242 * lustre 1.8 also uses d_fsdata for passing other info to ldiskfs.
2243 * To have compatilibility with 1.8 ldiskfs driver we need to have
2244 * magic number at start of fid data.
2245 * \ldiskfs_dentry_param is used only to pass fid from osd to ldiskfs.
2248 void osd_get_ldiskfs_dirent_param(struct ldiskfs_dentry_param *param,
2249 const struct dt_rec *fid)
2251 param->edp_magic = LDISKFS_LUFID_MAGIC;
2252 param->edp_len = sizeof(struct lu_fid) + 1;
2254 fid_cpu_to_be((struct lu_fid *)param->edp_data,
2255 (struct lu_fid *)fid);
2259 * Try to read the fid from inode ea into dt_rec, if return value
2260 * i.e. rc is +ve, then we got fid, otherwise we will have to form igif
2262 * \param fid object fid.
2264 * \retval 0 on success
2266 static int osd_ea_fid_get(const struct lu_env *env, struct osd_object *obj,
2267 __u32 ino, struct lu_fid *fid,
2268 struct osd_inode_id *id)
2270 struct osd_thread_info *info = osd_oti_get(env);
2271 struct inode *inode;
2274 osd_id_gen(id, ino, OSD_OII_NOGEN);
2275 inode = osd_iget_fid(info, osd_obj2dev(obj), id, fid);
2277 RETURN(PTR_ERR(inode));
2284 * OSD layer object create function for interoperability mode (b11826).
2285 * This is mostly similar to osd_object_create(). Only difference being, fid is
2286 * inserted into inode ea here.
2288 * \retval 0, on success
2289 * \retval -ve, on error
2291 static int osd_object_ea_create(const struct lu_env *env, struct dt_object *dt,
2292 struct lu_attr *attr,
2293 struct dt_allocation_hint *hint,
2294 struct dt_object_format *dof,
2297 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
2298 struct osd_object *obj = osd_dt_obj(dt);
2299 struct osd_thread_info *info = osd_oti_get(env);
2304 LASSERT(osd_invariant(obj));
2305 LASSERT(!dt_object_exists(dt));
2306 LASSERT(osd_write_locked(env, obj));
2307 LASSERT(th != NULL);
2309 if (unlikely(fid_is_acct(fid)))
2310 /* Quota files can't be created from the kernel any more,
2311 * 'tune2fs -O quota' will take care of creating them */
2314 OSD_EXEC_OP(th, create);
2316 result = __osd_object_create(info, obj, attr, hint, dof, th);
2317 /* objects under osd root shld have igif fid, so dont add fid EA */
2318 if (result == 0 && fid_seq(fid) >= FID_SEQ_NORMAL)
2319 result = osd_ea_fid_set(env, dt, fid);
2322 result = __osd_oi_insert(env, obj, fid, th);
2324 LASSERT(ergo(result == 0, dt_object_exists(dt)));
2325 LINVRNT(osd_invariant(obj));
2329 static int osd_declare_object_ref_add(const struct lu_env *env,
2330 struct dt_object *dt,
2331 struct thandle *handle)
2333 struct osd_thandle *oh;
2335 /* it's possible that object doesn't exist yet */
2336 LASSERT(handle != NULL);
2338 oh = container_of0(handle, struct osd_thandle, ot_super);
2339 LASSERT(oh->ot_handle == NULL);
2341 OSD_DECLARE_OP(oh, ref_add);
2342 oh->ot_credits += osd_dto_credits_noquota[DTO_ATTR_SET_BASE];
2348 * Concurrency: @dt is write locked.
2350 static int osd_object_ref_add(const struct lu_env *env,
2351 struct dt_object *dt, struct thandle *th)
2353 struct osd_object *obj = osd_dt_obj(dt);
2354 struct inode *inode = obj->oo_inode;
2356 LINVRNT(osd_invariant(obj));
2357 LASSERT(dt_object_exists(dt));
2358 LASSERT(osd_write_locked(env, obj));
2359 LASSERT(th != NULL);
2361 OSD_EXEC_OP(th, ref_add);
2364 * DIR_NLINK feature is set for compatibility reasons if:
2365 * 1) nlinks > LDISKFS_LINK_MAX, or
2366 * 2) nlinks == 2, since this indicates i_nlink was previously 1.
2368 * It is easier to always set this flag (rather than check and set),
2369 * since it has less overhead, and the superblock will be dirtied
2370 * at some point. Both e2fsprogs and any Lustre-supported ldiskfs
2371 * do not actually care whether this flag is set or not.
2373 cfs_spin_lock(&obj->oo_guard);
2375 if (S_ISDIR(inode->i_mode) && inode->i_nlink > 1) {
2376 if (inode->i_nlink >= LDISKFS_LINK_MAX ||
2377 inode->i_nlink == 2)
2380 LASSERT(inode->i_nlink <= LDISKFS_LINK_MAX);
2381 cfs_spin_unlock(&obj->oo_guard);
2382 inode->i_sb->s_op->dirty_inode(inode);
2383 LINVRNT(osd_invariant(obj));
2388 static int osd_declare_object_ref_del(const struct lu_env *env,
2389 struct dt_object *dt,
2390 struct thandle *handle)
2392 struct osd_thandle *oh;
2394 LASSERT(dt_object_exists(dt));
2395 LASSERT(handle != NULL);
2397 oh = container_of0(handle, struct osd_thandle, ot_super);
2398 LASSERT(oh->ot_handle == NULL);
2400 OSD_DECLARE_OP(oh, ref_del);
2401 oh->ot_credits += osd_dto_credits_noquota[DTO_ATTR_SET_BASE];
2407 * Concurrency: @dt is write locked.
2409 static int osd_object_ref_del(const struct lu_env *env, struct dt_object *dt,
2412 struct osd_object *obj = osd_dt_obj(dt);
2413 struct inode *inode = obj->oo_inode;
2415 LINVRNT(osd_invariant(obj));
2416 LASSERT(dt_object_exists(dt));
2417 LASSERT(osd_write_locked(env, obj));
2418 LASSERT(th != NULL);
2420 OSD_EXEC_OP(th, ref_del);
2422 cfs_spin_lock(&obj->oo_guard);
2423 LASSERT(inode->i_nlink > 0);
2425 /* If this is/was a many-subdir directory (nlink > LDISKFS_LINK_MAX)
2426 * then the nlink count is 1. Don't let it be set to 0 or the directory
2427 * inode will be deleted incorrectly. */
2428 if (S_ISDIR(inode->i_mode) && inode->i_nlink == 0)
2430 cfs_spin_unlock(&obj->oo_guard);
2431 inode->i_sb->s_op->dirty_inode(inode);
2432 LINVRNT(osd_invariant(obj));
2438 * Get the 64-bit version for an inode.
2440 static int osd_object_version_get(const struct lu_env *env,
2441 struct dt_object *dt, dt_obj_version_t *ver)
2443 struct inode *inode = osd_dt_obj(dt)->oo_inode;
2445 CDEBUG(D_INODE, "Get version "LPX64" for inode %lu\n",
2446 LDISKFS_I(inode)->i_fs_version, inode->i_ino);
2447 *ver = LDISKFS_I(inode)->i_fs_version;
2452 * Concurrency: @dt is read locked.
2454 static int osd_xattr_get(const struct lu_env *env, struct dt_object *dt,
2455 struct lu_buf *buf, const char *name,
2456 struct lustre_capa *capa)
2458 struct osd_object *obj = osd_dt_obj(dt);
2459 struct inode *inode = obj->oo_inode;
2460 struct osd_thread_info *info = osd_oti_get(env);
2461 struct dentry *dentry = &info->oti_obj_dentry;
2463 /* version get is not real XATTR but uses xattr API */
2464 if (strcmp(name, XATTR_NAME_VERSION) == 0) {
2465 /* for version we are just using xattr API but change inode
2467 LASSERT(buf->lb_len == sizeof(dt_obj_version_t));
2468 osd_object_version_get(env, dt, buf->lb_buf);
2469 return sizeof(dt_obj_version_t);
2472 LASSERT(dt_object_exists(dt));
2473 LASSERT(inode->i_op != NULL && inode->i_op->getxattr != NULL);
2475 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_READ))
2478 dentry->d_inode = inode;
2479 return inode->i_op->getxattr(dentry, name, buf->lb_buf, buf->lb_len);
2483 static int osd_declare_xattr_set(const struct lu_env *env,
2484 struct dt_object *dt,
2485 const struct lu_buf *buf, const char *name,
2486 int fl, struct thandle *handle)
2488 struct osd_thandle *oh;
2490 LASSERT(handle != NULL);
2492 oh = container_of0(handle, struct osd_thandle, ot_super);
2493 LASSERT(oh->ot_handle == NULL);
2495 OSD_DECLARE_OP(oh, xattr_set);
2496 if (strcmp(name, XATTR_NAME_VERSION) == 0)
2497 oh->ot_credits += osd_dto_credits_noquota[DTO_ATTR_SET_BASE];
2499 oh->ot_credits += osd_dto_credits_noquota[DTO_XATTR_SET];
2505 * Set the 64-bit version for object
2507 static void osd_object_version_set(const struct lu_env *env,
2508 struct dt_object *dt,
2509 dt_obj_version_t *new_version)
2511 struct inode *inode = osd_dt_obj(dt)->oo_inode;
2513 CDEBUG(D_INODE, "Set version "LPX64" (old "LPX64") for inode %lu\n",
2514 *new_version, LDISKFS_I(inode)->i_fs_version, inode->i_ino);
2516 LDISKFS_I(inode)->i_fs_version = *new_version;
2517 /** Version is set after all inode operations are finished,
2518 * so we should mark it dirty here */
2519 inode->i_sb->s_op->dirty_inode(inode);
2523 * Concurrency: @dt is write locked.
2525 static int osd_xattr_set(const struct lu_env *env, struct dt_object *dt,
2526 const struct lu_buf *buf, const char *name, int fl,
2527 struct thandle *handle, struct lustre_capa *capa)
2529 LASSERT(handle != NULL);
2531 /* version set is not real XATTR */
2532 if (strcmp(name, XATTR_NAME_VERSION) == 0) {
2533 /* for version we are just using xattr API but change inode
2535 LASSERT(buf->lb_len == sizeof(dt_obj_version_t));
2536 osd_object_version_set(env, dt, buf->lb_buf);
2537 return sizeof(dt_obj_version_t);
2540 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_WRITE))
2543 OSD_EXEC_OP(handle, xattr_set);
2544 return __osd_xattr_set(env, dt, buf, name, fl);
2548 * Concurrency: @dt is read locked.
2550 static int osd_xattr_list(const struct lu_env *env, struct dt_object *dt,
2551 struct lu_buf *buf, struct lustre_capa *capa)
2553 struct osd_object *obj = osd_dt_obj(dt);
2554 struct inode *inode = obj->oo_inode;
2555 struct osd_thread_info *info = osd_oti_get(env);
2556 struct dentry *dentry = &info->oti_obj_dentry;
2558 LASSERT(dt_object_exists(dt));
2559 LASSERT(inode->i_op != NULL && inode->i_op->listxattr != NULL);
2560 LASSERT(osd_read_locked(env, obj) || osd_write_locked(env, obj));
2562 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_READ))
2565 dentry->d_inode = inode;
2566 return inode->i_op->listxattr(dentry, buf->lb_buf, buf->lb_len);
2569 static int osd_declare_xattr_del(const struct lu_env *env,
2570 struct dt_object *dt, const char *name,
2571 struct thandle *handle)
2573 struct osd_thandle *oh;
2575 LASSERT(dt_object_exists(dt));
2576 LASSERT(handle != NULL);
2578 oh = container_of0(handle, struct osd_thandle, ot_super);
2579 LASSERT(oh->ot_handle == NULL);
2581 OSD_DECLARE_OP(oh, xattr_set);
2582 oh->ot_credits += osd_dto_credits_noquota[DTO_XATTR_SET];
2588 * Concurrency: @dt is write locked.
2590 static int osd_xattr_del(const struct lu_env *env, struct dt_object *dt,
2591 const char *name, struct thandle *handle,
2592 struct lustre_capa *capa)
2594 struct osd_object *obj = osd_dt_obj(dt);
2595 struct inode *inode = obj->oo_inode;
2596 struct osd_thread_info *info = osd_oti_get(env);
2597 struct dentry *dentry = &info->oti_obj_dentry;
2600 LASSERT(dt_object_exists(dt));
2601 LASSERT(inode->i_op != NULL && inode->i_op->removexattr != NULL);
2602 LASSERT(osd_write_locked(env, obj));
2603 LASSERT(handle != NULL);
2605 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_WRITE))
2608 OSD_EXEC_OP(handle, xattr_set);
2610 dentry->d_inode = inode;
2611 rc = inode->i_op->removexattr(dentry, name);
2615 static struct obd_capa *osd_capa_get(const struct lu_env *env,
2616 struct dt_object *dt,
2617 struct lustre_capa *old,
2620 struct osd_thread_info *info = osd_oti_get(env);
2621 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
2622 struct osd_object *obj = osd_dt_obj(dt);
2623 struct osd_device *dev = osd_obj2dev(obj);
2624 struct lustre_capa_key *key = &info->oti_capa_key;
2625 struct lustre_capa *capa = &info->oti_capa;
2626 struct obd_capa *oc;
2627 struct md_capainfo *ci;
2631 if (!dev->od_fl_capa)
2632 RETURN(ERR_PTR(-ENOENT));
2634 LASSERT(dt_object_exists(dt));
2635 LINVRNT(osd_invariant(obj));
2637 /* renewal sanity check */
2638 if (old && osd_object_auth(env, dt, old, opc))
2639 RETURN(ERR_PTR(-EACCES));
2641 ci = md_capainfo(env);
2643 RETURN(ERR_PTR(-ENOENT));
2645 switch (ci->mc_auth) {
2649 capa->lc_uid = obj->oo_inode->i_uid;
2650 capa->lc_gid = obj->oo_inode->i_gid;
2651 capa->lc_flags = LC_ID_PLAIN;
2653 case LC_ID_CONVERT: {
2656 s[0] = obj->oo_inode->i_uid;
2657 cfs_get_random_bytes(&(s[1]), sizeof(__u32));
2658 s[2] = obj->oo_inode->i_gid;
2659 cfs_get_random_bytes(&(s[3]), sizeof(__u32));
2660 rc = capa_encrypt_id(d, s, key->lk_key, CAPA_HMAC_KEY_MAX_LEN);
2662 RETURN(ERR_PTR(rc));
2664 capa->lc_uid = ((__u64)d[1] << 32) | d[0];
2665 capa->lc_gid = ((__u64)d[3] << 32) | d[2];
2666 capa->lc_flags = LC_ID_CONVERT;
2670 RETURN(ERR_PTR(-EINVAL));
2673 capa->lc_fid = *fid;
2675 capa->lc_flags |= dev->od_capa_alg << 24;
2676 capa->lc_timeout = dev->od_capa_timeout;
2677 capa->lc_expiry = 0;
2679 oc = capa_lookup(dev->od_capa_hash, capa, 1);
2681 LASSERT(!capa_is_expired(oc));
2685 cfs_spin_lock(&capa_lock);
2686 *key = dev->od_capa_keys[1];
2687 cfs_spin_unlock(&capa_lock);
2689 capa->lc_keyid = key->lk_keyid;
2690 capa->lc_expiry = cfs_time_current_sec() + dev->od_capa_timeout;
2692 rc = capa_hmac(capa->lc_hmac, capa, key->lk_key);
2694 DEBUG_CAPA(D_ERROR, capa, "HMAC failed: %d for", rc);
2695 RETURN(ERR_PTR(rc));
2698 oc = capa_add(dev->od_capa_hash, capa);
2702 static int osd_object_sync(const struct lu_env *env, struct dt_object *dt)
2704 struct osd_object *obj = osd_dt_obj(dt);
2705 struct inode *inode = obj->oo_inode;
2706 struct osd_thread_info *info = osd_oti_get(env);
2707 struct dentry *dentry = &info->oti_obj_dentry;
2708 struct file *file = &info->oti_file;
2713 dentry->d_inode = inode;
2714 file->f_dentry = dentry;
2715 file->f_mapping = inode->i_mapping;
2716 file->f_op = inode->i_fop;
2717 mutex_lock(&inode->i_mutex);
2718 rc = file->f_op->fsync(file, dentry, 0);
2719 mutex_unlock(&inode->i_mutex);
2723 static int osd_data_get(const struct lu_env *env, struct dt_object *dt,
2726 struct osd_object *obj = osd_dt_obj(dt);
2729 *data = (void *)obj->oo_inode;
2737 static int osd_iam_index_probe(const struct lu_env *env, struct osd_object *o,
2738 const struct dt_index_features *feat)
2740 struct iam_descr *descr;
2742 if (osd_object_is_root(o))
2743 return feat == &dt_directory_features;
2745 LASSERT(o->oo_dir != NULL);
2747 descr = o->oo_dir->od_container.ic_descr;
2748 if (feat == &dt_directory_features) {
2749 if (descr->id_rec_size == sizeof(struct osd_fid_pack))
2755 feat->dif_keysize_min <= descr->id_key_size &&
2756 descr->id_key_size <= feat->dif_keysize_max &&
2757 feat->dif_recsize_min <= descr->id_rec_size &&
2758 descr->id_rec_size <= feat->dif_recsize_max &&
2759 !(feat->dif_flags & (DT_IND_VARKEY |
2760 DT_IND_VARREC | DT_IND_NONUNQ)) &&
2761 ergo(feat->dif_flags & DT_IND_UPDATE,
2762 1 /* XXX check that object (and file system) is
2767 static int osd_iam_container_init(const struct lu_env *env,
2768 struct osd_object *obj,
2769 struct osd_directory *dir)
2771 struct iam_container *bag = &dir->od_container;
2774 result = iam_container_init(bag, &dir->od_descr, obj->oo_inode);
2778 result = iam_container_setup(bag);
2780 obj->oo_dt.do_index_ops = &osd_index_iam_ops;
2782 iam_container_fini(bag);
2789 * Concurrency: no external locking is necessary.
2791 static int osd_index_try(const struct lu_env *env, struct dt_object *dt,
2792 const struct dt_index_features *feat)
2796 struct osd_object *obj = osd_dt_obj(dt);
2797 struct osd_device *osd = osd_obj2dev(obj);
2799 LINVRNT(osd_invariant(obj));
2800 LASSERT(dt_object_exists(dt));
2802 if (osd_object_is_root(obj)) {
2803 dt->do_index_ops = &osd_index_ea_ops;
2805 } else if (feat == &dt_directory_features && osd->od_iop_mode) {
2806 dt->do_index_ops = &osd_index_ea_ops;
2807 if (S_ISDIR(obj->oo_inode->i_mode))
2812 } else if (unlikely(feat == &dt_otable_features)) {
2813 dt->do_index_ops = &osd_otable_ops;
2815 } else if (feat == &dt_acct_features) {
2816 dt->do_index_ops = &osd_acct_index_ops;
2819 } else if (!osd_has_index(obj)) {
2820 struct osd_directory *dir;
2825 cfs_spin_lock(&obj->oo_guard);
2826 if (obj->oo_dir == NULL)
2830 * Concurrent thread allocated container data.
2833 cfs_spin_unlock(&obj->oo_guard);
2835 * Now, that we have container data, serialize its
2838 cfs_down_write(&obj->oo_ext_idx_sem);
2840 * recheck under lock.
2842 if (!osd_has_index(obj))
2843 result = osd_iam_container_init(env, obj, dir);
2846 cfs_up_write(&obj->oo_ext_idx_sem);
2854 if (result == 0 && skip_iam == 0) {
2855 if (!osd_iam_index_probe(env, obj, feat))
2858 LINVRNT(osd_invariant(obj));
2863 static int osd_otable_it_attr_get(const struct lu_env *env,
2864 struct dt_object *dt,
2865 struct lu_attr *attr,
2866 struct lustre_capa *capa)
2872 static const struct dt_object_operations osd_obj_ops = {
2873 .do_read_lock = osd_object_read_lock,
2874 .do_write_lock = osd_object_write_lock,
2875 .do_read_unlock = osd_object_read_unlock,
2876 .do_write_unlock = osd_object_write_unlock,
2877 .do_write_locked = osd_object_write_locked,
2878 .do_attr_get = osd_attr_get,
2879 .do_declare_attr_set = osd_declare_attr_set,
2880 .do_attr_set = osd_attr_set,
2881 .do_ah_init = osd_ah_init,
2882 .do_declare_create = osd_declare_object_create,
2883 .do_create = osd_object_create,
2884 .do_declare_destroy = osd_declare_object_destroy,
2885 .do_destroy = osd_object_destroy,
2886 .do_index_try = osd_index_try,
2887 .do_declare_ref_add = osd_declare_object_ref_add,
2888 .do_ref_add = osd_object_ref_add,
2889 .do_declare_ref_del = osd_declare_object_ref_del,
2890 .do_ref_del = osd_object_ref_del,
2891 .do_xattr_get = osd_xattr_get,
2892 .do_declare_xattr_set = osd_declare_xattr_set,
2893 .do_xattr_set = osd_xattr_set,
2894 .do_declare_xattr_del = osd_declare_xattr_del,
2895 .do_xattr_del = osd_xattr_del,
2896 .do_xattr_list = osd_xattr_list,
2897 .do_capa_get = osd_capa_get,
2898 .do_object_sync = osd_object_sync,
2899 .do_data_get = osd_data_get,
2903 * dt_object_operations for interoperability mode
2904 * (i.e. to run 2.0 mds on 1.8 disk) (b11826)
2906 static const struct dt_object_operations osd_obj_ea_ops = {
2907 .do_read_lock = osd_object_read_lock,
2908 .do_write_lock = osd_object_write_lock,
2909 .do_read_unlock = osd_object_read_unlock,
2910 .do_write_unlock = osd_object_write_unlock,
2911 .do_write_locked = osd_object_write_locked,
2912 .do_attr_get = osd_attr_get,
2913 .do_declare_attr_set = osd_declare_attr_set,
2914 .do_attr_set = osd_attr_set,
2915 .do_ah_init = osd_ah_init,
2916 .do_declare_create = osd_declare_object_create,
2917 .do_create = osd_object_ea_create,
2918 .do_declare_destroy = osd_declare_object_destroy,
2919 .do_destroy = osd_object_destroy,
2920 .do_index_try = osd_index_try,
2921 .do_declare_ref_add = osd_declare_object_ref_add,
2922 .do_ref_add = osd_object_ref_add,
2923 .do_declare_ref_del = osd_declare_object_ref_del,
2924 .do_ref_del = osd_object_ref_del,
2925 .do_xattr_get = osd_xattr_get,
2926 .do_declare_xattr_set = osd_declare_xattr_set,
2927 .do_xattr_set = osd_xattr_set,
2928 .do_declare_xattr_del = osd_declare_xattr_del,
2929 .do_xattr_del = osd_xattr_del,
2930 .do_xattr_list = osd_xattr_list,
2931 .do_capa_get = osd_capa_get,
2932 .do_object_sync = osd_object_sync,
2933 .do_data_get = osd_data_get,
2936 static const struct dt_object_operations osd_obj_otable_it_ops = {
2937 .do_attr_get = osd_otable_it_attr_get,
2938 .do_index_try = osd_index_try,
2941 static int osd_index_declare_iam_delete(const struct lu_env *env,
2942 struct dt_object *dt,
2943 const struct dt_key *key,
2944 struct thandle *handle)
2946 struct osd_thandle *oh;
2948 oh = container_of0(handle, struct osd_thandle, ot_super);
2949 LASSERT(oh->ot_handle == NULL);
2951 OSD_DECLARE_OP(oh, delete);
2952 oh->ot_credits += osd_dto_credits_noquota[DTO_INDEX_DELETE];
2958 * delete a (key, value) pair from index \a dt specified by \a key
2960 * \param dt osd index object
2961 * \param key key for index
2962 * \param rec record reference
2963 * \param handle transaction handler
2966 * \retval -ve failure
2969 static int osd_index_iam_delete(const struct lu_env *env, struct dt_object *dt,
2970 const struct dt_key *key,
2971 struct thandle *handle,
2972 struct lustre_capa *capa)
2974 struct osd_thread_info *oti = osd_oti_get(env);
2975 struct osd_object *obj = osd_dt_obj(dt);
2976 struct osd_thandle *oh;
2977 struct iam_path_descr *ipd;
2978 struct iam_container *bag = &obj->oo_dir->od_container;
2983 LINVRNT(osd_invariant(obj));
2984 LASSERT(dt_object_exists(dt));
2985 LASSERT(bag->ic_object == obj->oo_inode);
2986 LASSERT(handle != NULL);
2988 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_DELETE))
2991 OSD_EXEC_OP(handle, delete);
2993 ipd = osd_idx_ipd_get(env, bag);
2994 if (unlikely(ipd == NULL))
2997 oh = container_of0(handle, struct osd_thandle, ot_super);
2998 LASSERT(oh->ot_handle != NULL);
2999 LASSERT(oh->ot_handle->h_transaction != NULL);
3001 if (fid_is_quota(lu_object_fid(&dt->do_lu))) {
3002 /* swab quota uid/gid provided by caller */
3003 oti->oti_quota_id = cpu_to_le64(*((__u64 *)key));
3004 key = (const struct dt_key *)&oti->oti_quota_id;
3007 rc = iam_delete(oh->ot_handle, bag, (const struct iam_key *)key, ipd);
3008 osd_ipd_put(env, bag, ipd);
3009 LINVRNT(osd_invariant(obj));
3013 static int osd_index_declare_ea_delete(const struct lu_env *env,
3014 struct dt_object *dt,
3015 const struct dt_key *key,
3016 struct thandle *handle)
3018 struct osd_thandle *oh;
3019 struct inode *inode;
3023 LASSERT(dt_object_exists(dt));
3024 LASSERT(handle != NULL);
3026 oh = container_of0(handle, struct osd_thandle, ot_super);
3027 LASSERT(oh->ot_handle == NULL);
3029 OSD_DECLARE_OP(oh, delete);
3030 oh->ot_credits += osd_dto_credits_noquota[DTO_INDEX_DELETE];
3032 inode = osd_dt_obj(dt)->oo_inode;
3035 rc = osd_declare_inode_qid(env, inode->i_uid, inode->i_gid, 0, oh,
3036 true, true, NULL, false);
3040 static inline int osd_get_fid_from_dentry(struct ldiskfs_dir_entry_2 *de,
3043 struct osd_fid_pack *rec;
3046 if (de->file_type & LDISKFS_DIRENT_LUFID) {
3047 rec = (struct osd_fid_pack *) (de->name + de->name_len + 1);
3048 rc = osd_fid_unpack((struct lu_fid *)fid, rec);
3054 * Index delete function for interoperability mode (b11826).
3055 * It will remove the directory entry added by osd_index_ea_insert().
3056 * This entry is needed to maintain name->fid mapping.
3058 * \param key, key i.e. file entry to be deleted
3060 * \retval 0, on success
3061 * \retval -ve, on error
3063 static int osd_index_ea_delete(const struct lu_env *env, struct dt_object *dt,
3064 const struct dt_key *key,
3065 struct thandle *handle,
3066 struct lustre_capa *capa)
3068 struct osd_object *obj = osd_dt_obj(dt);
3069 struct inode *dir = obj->oo_inode;
3070 struct dentry *dentry;
3071 struct osd_thandle *oh;
3072 struct ldiskfs_dir_entry_2 *de;
3073 struct buffer_head *bh;
3074 struct htree_lock *hlock = NULL;
3079 LINVRNT(osd_invariant(obj));
3080 LASSERT(dt_object_exists(dt));
3081 LASSERT(handle != NULL);
3083 OSD_EXEC_OP(handle, delete);
3085 oh = container_of(handle, struct osd_thandle, ot_super);
3086 LASSERT(oh->ot_handle != NULL);
3087 LASSERT(oh->ot_handle->h_transaction != NULL);
3089 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_DELETE))
3092 dentry = osd_child_dentry_get(env, obj,
3093 (char *)key, strlen((char *)key));
3095 if (obj->oo_hl_head != NULL) {
3096 hlock = osd_oti_get(env)->oti_hlock;
3097 ldiskfs_htree_lock(hlock, obj->oo_hl_head,
3098 dir, LDISKFS_HLOCK_DEL);
3100 cfs_down_write(&obj->oo_ext_idx_sem);
3103 bh = osd_ldiskfs_find_entry(dir, dentry, &de, hlock);
3105 rc = ldiskfs_delete_entry(oh->ot_handle,
3112 ldiskfs_htree_unlock(hlock);
3114 cfs_up_write(&obj->oo_ext_idx_sem);
3116 LASSERT(osd_invariant(obj));
3121 * Lookup index for \a key and copy record to \a rec.
3123 * \param dt osd index object
3124 * \param key key for index
3125 * \param rec record reference
3127 * \retval +ve success : exact mach
3128 * \retval 0 return record with key not greater than \a key
3129 * \retval -ve failure
3131 static int osd_index_iam_lookup(const struct lu_env *env, struct dt_object *dt,
3132 struct dt_rec *rec, const struct dt_key *key,
3133 struct lustre_capa *capa)
3135 struct osd_object *obj = osd_dt_obj(dt);
3136 struct iam_path_descr *ipd;
3137 struct iam_container *bag = &obj->oo_dir->od_container;
3138 struct osd_thread_info *oti = osd_oti_get(env);
3139 struct iam_iterator *it = &oti->oti_idx_it;
3140 struct iam_rec *iam_rec;
3145 LASSERT(osd_invariant(obj));
3146 LASSERT(dt_object_exists(dt));
3147 LASSERT(bag->ic_object == obj->oo_inode);
3149 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_LOOKUP))
3152 ipd = osd_idx_ipd_get(env, bag);
3156 /* got ipd now we can start iterator. */
3157 iam_it_init(it, bag, 0, ipd);
3159 if (fid_is_quota(lu_object_fid(&dt->do_lu))) {
3160 /* swab quota uid/gid provided by caller */
3161 oti->oti_quota_id = cpu_to_le64(*((__u64 *)key));
3162 key = (const struct dt_key *)&oti->oti_quota_id;
3165 rc = iam_it_get(it, (struct iam_key *)key);
3167 if (S_ISDIR(obj->oo_inode->i_mode))
3168 iam_rec = (struct iam_rec *)oti->oti_ldp;
3170 iam_rec = (struct iam_rec *) rec;
3172 iam_reccpy(&it->ii_path.ip_leaf, (struct iam_rec *)iam_rec);
3174 if (S_ISDIR(obj->oo_inode->i_mode))
3175 osd_fid_unpack((struct lu_fid *) rec,
3176 (struct osd_fid_pack *)iam_rec);
3177 else if (fid_is_quota(lu_object_fid(&dt->do_lu)))
3178 osd_quota_unpack(obj, rec);
3183 osd_ipd_put(env, bag, ipd);
3185 LINVRNT(osd_invariant(obj));
3190 static int osd_index_declare_iam_insert(const struct lu_env *env,
3191 struct dt_object *dt,
3192 const struct dt_rec *rec,
3193 const struct dt_key *key,
3194 struct thandle *handle)
3196 struct osd_thandle *oh;
3198 LASSERT(dt_object_exists(dt));
3199 LASSERT(handle != NULL);
3201 oh = container_of0(handle, struct osd_thandle, ot_super);
3202 LASSERT(oh->ot_handle == NULL);
3204 OSD_DECLARE_OP(oh, insert);
3205 oh->ot_credits += osd_dto_credits_noquota[DTO_INDEX_INSERT];
3211 * Inserts (key, value) pair in \a dt index object.
3213 * \param dt osd index object
3214 * \param key key for index
3215 * \param rec record reference
3216 * \param th transaction handler
3219 * \retval -ve failure
3221 static int osd_index_iam_insert(const struct lu_env *env, struct dt_object *dt,
3222 const struct dt_rec *rec,
3223 const struct dt_key *key, struct thandle *th,
3224 struct lustre_capa *capa, int ignore_quota)
3226 struct osd_object *obj = osd_dt_obj(dt);
3227 struct iam_path_descr *ipd;
3228 struct osd_thandle *oh;
3229 struct iam_container *bag = &obj->oo_dir->od_container;
3230 #ifdef HAVE_QUOTA_SUPPORT
3231 cfs_cap_t save = cfs_curproc_cap_pack();
3233 struct osd_thread_info *oti = osd_oti_get(env);
3234 struct iam_rec *iam_rec;
3239 LINVRNT(osd_invariant(obj));
3240 LASSERT(dt_object_exists(dt));
3241 LASSERT(bag->ic_object == obj->oo_inode);
3242 LASSERT(th != NULL);
3244 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_INSERT))
3247 OSD_EXEC_OP(th, insert);
3249 ipd = osd_idx_ipd_get(env, bag);
3250 if (unlikely(ipd == NULL))
3253 oh = container_of0(th, struct osd_thandle, ot_super);
3254 LASSERT(oh->ot_handle != NULL);
3255 LASSERT(oh->ot_handle->h_transaction != NULL);
3256 #ifdef HAVE_QUOTA_SUPPORT
3258 cfs_cap_raise(CFS_CAP_SYS_RESOURCE);
3260 cfs_cap_lower(CFS_CAP_SYS_RESOURCE);
3262 if (S_ISDIR(obj->oo_inode->i_mode)) {
3263 iam_rec = (struct iam_rec *)oti->oti_ldp;
3264 osd_fid_pack((struct osd_fid_pack *)iam_rec, rec, &oti->oti_fid);
3265 } else if (fid_is_quota(lu_object_fid(&dt->do_lu))) {
3266 /* pack quota uid/gid */
3267 oti->oti_quota_id = cpu_to_le64(*((__u64 *)key));
3268 key = (const struct dt_key *)&oti->oti_quota_id;
3269 /* pack quota record */
3270 rec = osd_quota_pack(obj, rec, &oti->oti_quota_rec);
3271 iam_rec = (struct iam_rec *)rec;
3273 iam_rec = (struct iam_rec *)rec;
3276 rc = iam_insert(oh->ot_handle, bag, (const struct iam_key *)key,
3278 #ifdef HAVE_QUOTA_SUPPORT
3279 cfs_curproc_cap_unpack(save);
3281 osd_ipd_put(env, bag, ipd);
3282 LINVRNT(osd_invariant(obj));
3287 * Calls ldiskfs_add_entry() to add directory entry
3288 * into the directory. This is required for
3289 * interoperability mode (b11826)
3291 * \retval 0, on success
3292 * \retval -ve, on error
3294 static int __osd_ea_add_rec(struct osd_thread_info *info,
3295 struct osd_object *pobj, struct inode *cinode,
3296 const char *name, const struct dt_rec *fid,
3297 struct htree_lock *hlock, struct thandle *th)
3299 struct ldiskfs_dentry_param *ldp;
3300 struct dentry *child;
3301 struct osd_thandle *oth;
3304 oth = container_of(th, struct osd_thandle, ot_super);
3305 LASSERT(oth->ot_handle != NULL);
3306 LASSERT(oth->ot_handle->h_transaction != NULL);
3308 child = osd_child_dentry_get(info->oti_env, pobj, name, strlen(name));
3310 /* XXX: remove fid_is_igif() check here.
3311 * IGIF check is just to handle insertion of .. when it is 'ROOT',
3312 * it is IGIF now but needs FID in dir entry as well for readdir
3314 * LU-838 should fix that and remove fid_is_igif() check */
3315 if (fid_is_igif((struct lu_fid *)fid) ||
3316 fid_is_norm((struct lu_fid *)fid)) {
3317 ldp = (struct ldiskfs_dentry_param *)info->oti_ldp;
3318 osd_get_ldiskfs_dirent_param(ldp, fid);
3319 child->d_fsdata = (void *)ldp;
3321 child->d_fsdata = NULL;
3323 rc = osd_ldiskfs_add_entry(oth->ot_handle, child, cinode, hlock);
3329 * Calls ldiskfs_add_dot_dotdot() to add dot and dotdot entries
3330 * into the directory.Also sets flags into osd object to
3331 * indicate dot and dotdot are created. This is required for
3332 * interoperability mode (b11826)
3334 * \param dir directory for dot and dotdot fixup.
3335 * \param obj child object for linking
3337 * \retval 0, on success
3338 * \retval -ve, on error
3340 static int osd_add_dot_dotdot(struct osd_thread_info *info,
3341 struct osd_object *dir,
3342 struct inode *parent_dir, const char *name,
3343 const struct dt_rec *dot_fid,
3344 const struct dt_rec *dot_dot_fid,
3347 struct inode *inode = dir->oo_inode;
3348 struct ldiskfs_dentry_param *dot_ldp;
3349 struct ldiskfs_dentry_param *dot_dot_ldp;
3350 struct osd_thandle *oth;
3353 oth = container_of(th, struct osd_thandle, ot_super);
3354 LASSERT(oth->ot_handle->h_transaction != NULL);
3355 LASSERT(S_ISDIR(dir->oo_inode->i_mode));
3357 if (strcmp(name, dot) == 0) {
3358 if (dir->oo_compat_dot_created) {
3361 LASSERT(inode == parent_dir);
3362 dir->oo_compat_dot_created = 1;
3365 } else if(strcmp(name, dotdot) == 0) {
3366 dot_ldp = (struct ldiskfs_dentry_param *)info->oti_ldp;
3367 dot_dot_ldp = (struct ldiskfs_dentry_param *)info->oti_ldp2;
3369 if (!dir->oo_compat_dot_created)
3371 if (!fid_is_igif((struct lu_fid *)dot_fid)) {
3372 osd_get_ldiskfs_dirent_param(dot_ldp, dot_fid);
3373 osd_get_ldiskfs_dirent_param(dot_dot_ldp, dot_dot_fid);
3378 /* in case of rename, dotdot is already created */
3379 if (dir->oo_compat_dotdot_created) {
3380 return __osd_ea_add_rec(info, dir, parent_dir, name,
3381 dot_dot_fid, NULL, th);
3384 result = ldiskfs_add_dot_dotdot(oth->ot_handle, parent_dir,
3385 inode, dot_ldp, dot_dot_ldp);
3387 dir->oo_compat_dotdot_created = 1;
3395 * It will call the appropriate osd_add* function and return the
3396 * value, return by respective functions.
3398 static int osd_ea_add_rec(const struct lu_env *env, struct osd_object *pobj,
3399 struct inode *cinode, const char *name,
3400 const struct dt_rec *fid, struct thandle *th)
3402 struct osd_thread_info *info = osd_oti_get(env);
3403 struct htree_lock *hlock;
3406 hlock = pobj->oo_hl_head != NULL ? info->oti_hlock : NULL;
3408 if (name[0] == '.' && (name[1] == '\0' || (name[1] == '.' &&
3410 if (hlock != NULL) {
3411 ldiskfs_htree_lock(hlock, pobj->oo_hl_head,
3414 cfs_down_write(&pobj->oo_ext_idx_sem);
3416 rc = osd_add_dot_dotdot(info, pobj, cinode, name,
3417 (struct dt_rec *)lu_object_fid(&pobj->oo_dt.do_lu),
3420 if (hlock != NULL) {
3421 ldiskfs_htree_lock(hlock, pobj->oo_hl_head,
3422 pobj->oo_inode, LDISKFS_HLOCK_ADD);
3424 cfs_down_write(&pobj->oo_ext_idx_sem);
3427 rc = __osd_ea_add_rec(info, pobj, cinode, name, fid,
3431 ldiskfs_htree_unlock(hlock);
3433 cfs_up_write(&pobj->oo_ext_idx_sem);
3439 osd_consistency_check(struct osd_thread_info *oti, struct osd_device *dev,
3440 struct osd_idmap_cache *oic)
3442 struct osd_scrub *scrub = &dev->od_scrub;
3443 struct lu_fid *fid = &oic->oic_fid;
3444 struct osd_inode_id *id = &oti->oti_id;
3450 rc = osd_oi_lookup(oti, dev, fid, id);
3451 if (rc != 0 && rc != -ENOENT)
3454 if (rc == 0 && osd_id_eq(id, &oic->oic_lid))
3457 if (thread_is_running(&scrub->os_thread)) {
3458 rc = osd_oii_insert(dev, oic, rc == -ENOENT);
3459 /* There is race condition between osd_oi_lookup and OI scrub.
3460 * The OI scrub finished just after osd_oi_lookup() failure.
3461 * Under such case, it is unnecessary to trigger OI scrub again,
3462 * but try to call osd_oi_lookup() again. */
3463 if (unlikely(rc == -EAGAIN))
3469 if (!scrub->os_no_scrub && ++once == 1) {
3470 CDEBUG(D_LFSCK, "Trigger OI scrub by RPC for "DFID"\n",
3472 rc = osd_scrub_start(dev);
3473 LCONSOLE_ERROR("%.16s: trigger OI scrub by RPC for "DFID
3475 LDISKFS_SB(osd_sb(dev))->s_es->s_volume_name,
3481 RETURN(rc = -EREMCHG);
3485 * Calls ->lookup() to find dentry. From dentry get inode and
3486 * read inode's ea to get fid. This is required for interoperability
3489 * \retval 0, on success
3490 * \retval -ve, on error
3492 static int osd_ea_lookup_rec(const struct lu_env *env, struct osd_object *obj,
3493 struct dt_rec *rec, const struct dt_key *key)
3495 struct inode *dir = obj->oo_inode;
3496 struct dentry *dentry;
3497 struct ldiskfs_dir_entry_2 *de;
3498 struct buffer_head *bh;
3499 struct lu_fid *fid = (struct lu_fid *) rec;
3500 struct htree_lock *hlock = NULL;
3504 LASSERT(dir->i_op != NULL && dir->i_op->lookup != NULL);
3506 dentry = osd_child_dentry_get(env, obj,
3507 (char *)key, strlen((char *)key));
3509 if (obj->oo_hl_head != NULL) {
3510 hlock = osd_oti_get(env)->oti_hlock;
3511 ldiskfs_htree_lock(hlock, obj->oo_hl_head,
3512 dir, LDISKFS_HLOCK_LOOKUP);
3514 cfs_down_read(&obj->oo_ext_idx_sem);
3517 bh = osd_ldiskfs_find_entry(dir, dentry, &de, hlock);
3519 struct osd_thread_info *oti = osd_oti_get(env);
3520 struct osd_idmap_cache *oic = &oti->oti_cache;
3521 struct osd_device *dev = osd_obj2dev(obj);
3522 struct osd_scrub *scrub = &dev->od_scrub;
3523 struct scrub_file *sf = &scrub->os_file;
3525 ino = le32_to_cpu(de->inode);
3526 rc = osd_get_fid_from_dentry(de, rec);
3528 /* done with de, release bh */
3531 rc = osd_ea_fid_get(env, obj, ino, fid, &oic->oic_lid);
3533 osd_id_gen(&oic->oic_lid, ino, OSD_OII_NOGEN);
3534 if (rc != 0 || !fid_is_norm(fid)) {
3535 fid_zero(&oic->oic_fid);
3539 oic->oic_fid = *fid;
3540 if ((scrub->os_pos_current <= ino) &&
3541 (sf->sf_flags & SF_INCONSISTENT ||
3542 ldiskfs_test_bit(osd_oi_fid2idx(dev, fid),
3544 rc = osd_consistency_check(oti, dev, oic);
3553 ldiskfs_htree_unlock(hlock);
3555 cfs_up_read(&obj->oo_ext_idx_sem);
3560 * Find the osd object for given fid.
3562 * \param fid need to find the osd object having this fid
3564 * \retval osd_object on success
3565 * \retval -ve on error
3567 struct osd_object *osd_object_find(const struct lu_env *env,
3568 struct dt_object *dt,
3569 const struct lu_fid *fid)
3571 struct lu_device *ludev = dt->do_lu.lo_dev;
3572 struct osd_object *child = NULL;
3573 struct lu_object *luch;
3574 struct lu_object *lo;
3577 * at this point topdev might not exist yet
3578 * (i.e. MGS is preparing profiles). so we can
3579 * not rely on topdev and instead lookup with
3580 * our device passed as topdev. this can't work
3581 * if the object isn't cached yet (as osd doesn't
3582 * allocate lu_header). IOW, the object must be
3583 * in the cache, otherwise lu_object_alloc() crashes
3586 luch = lu_object_find_at(env, ludev, fid, NULL);
3587 if (!IS_ERR(luch)) {
3588 if (lu_object_exists(luch)) {
3589 lo = lu_object_locate(luch->lo_header, ludev->ld_type);
3591 child = osd_obj(lo);
3593 LU_OBJECT_DEBUG(D_ERROR, env, luch,
3594 "lu_object can't be located"
3595 DFID"\n", PFID(fid));
3597 if (child == NULL) {
3598 lu_object_put(env, luch);
3599 CERROR("Unable to get osd_object\n");
3600 child = ERR_PTR(-ENOENT);
3603 LU_OBJECT_DEBUG(D_ERROR, env, luch,
3604 "lu_object does not exists "DFID"\n",
3606 lu_object_put(env, luch);
3607 child = ERR_PTR(-ENOENT);
3610 child = (void *)luch;
3616 * Put the osd object once done with it.
3618 * \param obj osd object that needs to be put
3620 static inline void osd_object_put(const struct lu_env *env,
3621 struct osd_object *obj)
3623 lu_object_put(env, &obj->oo_dt.do_lu);
3626 static int osd_index_declare_ea_insert(const struct lu_env *env,
3627 struct dt_object *dt,
3628 const struct dt_rec *rec,
3629 const struct dt_key *key,
3630 struct thandle *handle)
3632 struct osd_thandle *oh;
3633 struct inode *inode;
3637 LASSERT(dt_object_exists(dt));
3638 LASSERT(handle != NULL);
3640 oh = container_of0(handle, struct osd_thandle, ot_super);
3641 LASSERT(oh->ot_handle == NULL);
3643 OSD_DECLARE_OP(oh, insert);
3644 oh->ot_credits += osd_dto_credits_noquota[DTO_INDEX_INSERT];
3646 inode = osd_dt_obj(dt)->oo_inode;
3649 /* We ignore block quota on meta pool (MDTs), so needn't
3650 * calculate how many blocks will be consumed by this index
3652 rc = osd_declare_inode_qid(env, inode->i_uid, inode->i_gid, 0, oh,
3653 true, true, NULL, false);
3658 * Index add function for interoperability mode (b11826).
3659 * It will add the directory entry.This entry is needed to
3660 * maintain name->fid mapping.
3662 * \param key it is key i.e. file entry to be inserted
3663 * \param rec it is value of given key i.e. fid
3665 * \retval 0, on success
3666 * \retval -ve, on error
3668 static int osd_index_ea_insert(const struct lu_env *env, struct dt_object *dt,
3669 const struct dt_rec *rec,
3670 const struct dt_key *key, struct thandle *th,
3671 struct lustre_capa *capa, int ignore_quota)
3673 struct osd_object *obj = osd_dt_obj(dt);
3674 struct lu_fid *fid = (struct lu_fid *) rec;
3675 const char *name = (const char *)key;
3676 struct osd_object *child;
3677 #ifdef HAVE_QUOTA_SUPPORT
3678 cfs_cap_t save = cfs_curproc_cap_pack();
3684 LASSERT(osd_invariant(obj));
3685 LASSERT(dt_object_exists(dt));
3686 LASSERT(th != NULL);
3688 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_INSERT))
3691 child = osd_object_find(env, dt, fid);
3692 if (!IS_ERR(child)) {
3693 #ifdef HAVE_QUOTA_SUPPORT
3695 cfs_cap_raise(CFS_CAP_SYS_RESOURCE);
3697 cfs_cap_lower(CFS_CAP_SYS_RESOURCE);
3699 rc = osd_ea_add_rec(env, obj, child->oo_inode, name, rec, th);
3700 #ifdef HAVE_QUOTA_SUPPORT
3701 cfs_curproc_cap_unpack(save);
3703 osd_object_put(env, child);
3705 rc = PTR_ERR(child);
3708 LASSERT(osd_invariant(obj));
3713 * Initialize osd Iterator for given osd index object.
3715 * \param dt osd index object
3718 static struct dt_it *osd_it_iam_init(const struct lu_env *env,
3719 struct dt_object *dt,
3721 struct lustre_capa *capa)
3723 struct osd_it_iam *it;
3724 struct osd_thread_info *oti = osd_oti_get(env);
3725 struct osd_object *obj = osd_dt_obj(dt);
3726 struct lu_object *lo = &dt->do_lu;
3727 struct iam_path_descr *ipd;
3728 struct iam_container *bag = &obj->oo_dir->od_container;
3730 LASSERT(lu_object_exists(lo));
3732 if (osd_object_auth(env, dt, capa, CAPA_OPC_BODY_READ))
3733 return ERR_PTR(-EACCES);
3736 ipd = osd_it_ipd_get(env, bag);
3737 if (likely(ipd != NULL)) {
3741 iam_it_init(&it->oi_it, bag, IAM_IT_MOVE, ipd);
3742 return (struct dt_it *)it;
3744 return ERR_PTR(-ENOMEM);
3748 * free given Iterator.
3751 static void osd_it_iam_fini(const struct lu_env *env, struct dt_it *di)
3753 struct osd_it_iam *it = (struct osd_it_iam *)di;
3754 struct osd_object *obj = it->oi_obj;
3756 iam_it_fini(&it->oi_it);
3757 osd_ipd_put(env, &obj->oo_dir->od_container, it->oi_ipd);
3758 lu_object_put(env, &obj->oo_dt.do_lu);
3762 * Move Iterator to record specified by \a key
3764 * \param di osd iterator
3765 * \param key key for index
3767 * \retval +ve di points to record with least key not larger than key
3768 * \retval 0 di points to exact matched key
3769 * \retval -ve failure
3772 static int osd_it_iam_get(const struct lu_env *env,
3773 struct dt_it *di, const struct dt_key *key)
3775 struct osd_thread_info *oti = osd_oti_get(env);
3776 struct osd_it_iam *it = (struct osd_it_iam *)di;
3778 if (fid_is_quota(lu_object_fid(&it->oi_obj->oo_dt.do_lu))) {
3779 /* swab quota uid/gid */
3780 oti->oti_quota_id = cpu_to_le64(*((__u64 *)key));
3781 key = (struct dt_key *)&oti->oti_quota_id;
3784 return iam_it_get(&it->oi_it, (const struct iam_key *)key);
3790 * \param di osd iterator
3793 static void osd_it_iam_put(const struct lu_env *env, struct dt_it *di)
3795 struct osd_it_iam *it = (struct osd_it_iam *)di;
3797 iam_it_put(&it->oi_it);
3801 * Move iterator by one record
3803 * \param di osd iterator
3805 * \retval +1 end of container reached
3807 * \retval -ve failure
3810 static int osd_it_iam_next(const struct lu_env *env, struct dt_it *di)
3812 struct osd_it_iam *it = (struct osd_it_iam *)di;
3814 return iam_it_next(&it->oi_it);
3818 * Return pointer to the key under iterator.
3821 static struct dt_key *osd_it_iam_key(const struct lu_env *env,
3822 const struct dt_it *di)
3824 struct osd_thread_info *oti = osd_oti_get(env);
3825 struct osd_it_iam *it = (struct osd_it_iam *)di;
3826 struct osd_object *obj = it->oi_obj;
3829 key = (struct dt_key *)iam_it_key_get(&it->oi_it);
3831 if (!IS_ERR(key) && fid_is_quota(lu_object_fid(&obj->oo_dt.do_lu))) {
3832 /* swab quota uid/gid */
3833 oti->oti_quota_id = le64_to_cpu(*((__u64 *)key));
3834 key = (struct dt_key *)&oti->oti_quota_id;
3841 * Return size of key under iterator (in bytes)
3844 static int osd_it_iam_key_size(const struct lu_env *env, const struct dt_it *di)
3846 struct osd_it_iam *it = (struct osd_it_iam *)di;
3848 return iam_it_key_size(&it->oi_it);
3851 static inline void osd_it_append_attrs(struct lu_dirent *ent, __u32 attr,
3852 int len, __u16 type)
3854 struct luda_type *lt;
3855 const unsigned align = sizeof(struct luda_type) - 1;
3857 /* check if file type is required */
3858 if (attr & LUDA_TYPE) {
3859 len = (len + align) & ~align;
3861 lt = (void *) ent->lde_name + len;
3862 lt->lt_type = cpu_to_le16(CFS_DTTOIF(type));
3863 ent->lde_attrs |= LUDA_TYPE;
3866 ent->lde_attrs = cpu_to_le32(ent->lde_attrs);
3870 * build lu direct from backend fs dirent.
3873 static inline void osd_it_pack_dirent(struct lu_dirent *ent,
3874 struct lu_fid *fid, __u64 offset,
3875 char *name, __u16 namelen,
3876 __u16 type, __u32 attr)
3878 fid_cpu_to_le(&ent->lde_fid, fid);
3879 ent->lde_attrs = LUDA_FID;
3881 ent->lde_hash = cpu_to_le64(offset);
3882 ent->lde_reclen = cpu_to_le16(lu_dirent_calc_size(namelen, attr));
3884 strncpy(ent->lde_name, name, namelen);
3885 ent->lde_namelen = cpu_to_le16(namelen);
3887 /* append lustre attributes */
3888 osd_it_append_attrs(ent, attr, namelen, type);
3892 * Return pointer to the record under iterator.
3894 static int osd_it_iam_rec(const struct lu_env *env,
3895 const struct dt_it *di,
3896 struct dt_rec *dtrec, __u32 attr)
3898 struct osd_it_iam *it = (struct osd_it_iam *)di;
3899 struct osd_thread_info *info = osd_oti_get(env);
3902 if (S_ISDIR(it->oi_obj->oo_inode->i_mode)) {
3903 const struct osd_fid_pack *rec;
3904 struct lu_fid *fid = &info->oti_fid;
3905 struct lu_dirent *lde = (struct lu_dirent *)dtrec;
3911 name = (char *)iam_it_key_get(&it->oi_it);
3913 RETURN(PTR_ERR(name));
3915 namelen = iam_it_key_size(&it->oi_it);
3917 rec = (const struct osd_fid_pack *)iam_it_rec_get(&it->oi_it);
3919 RETURN(PTR_ERR(rec));
3921 rc = osd_fid_unpack(fid, rec);
3925 hash = iam_it_store(&it->oi_it);
3927 /* IAM does not store object type in IAM index (dir) */
3928 osd_it_pack_dirent(lde, fid, hash, name, namelen,
3930 } else if (fid_is_quota(lu_object_fid(&it->oi_obj->oo_dt.do_lu))) {
3931 iam_reccpy(&it->oi_it.ii_path.ip_leaf,
3932 (struct iam_rec *)dtrec);
3933 osd_quota_unpack(it->oi_obj, dtrec);
3935 iam_reccpy(&it->oi_it.ii_path.ip_leaf,
3936 (struct iam_rec *)dtrec);
3943 * Returns cookie for current Iterator position.
3945 static __u64 osd_it_iam_store(const struct lu_env *env, const struct dt_it *di)
3947 struct osd_it_iam *it = (struct osd_it_iam *)di;
3949 return iam_it_store(&it->oi_it);
3953 * Restore iterator from cookie.
3955 * \param di osd iterator
3956 * \param hash Iterator location cookie
3958 * \retval +ve di points to record with least key not larger than key.
3959 * \retval 0 di points to exact matched key
3960 * \retval -ve failure
3963 static int osd_it_iam_load(const struct lu_env *env,
3964 const struct dt_it *di, __u64 hash)
3966 struct osd_it_iam *it = (struct osd_it_iam *)di;
3968 return iam_it_load(&it->oi_it, hash);
3971 static const struct dt_index_operations osd_index_iam_ops = {
3972 .dio_lookup = osd_index_iam_lookup,
3973 .dio_declare_insert = osd_index_declare_iam_insert,
3974 .dio_insert = osd_index_iam_insert,
3975 .dio_declare_delete = osd_index_declare_iam_delete,
3976 .dio_delete = osd_index_iam_delete,
3978 .init = osd_it_iam_init,
3979 .fini = osd_it_iam_fini,
3980 .get = osd_it_iam_get,
3981 .put = osd_it_iam_put,
3982 .next = osd_it_iam_next,
3983 .key = osd_it_iam_key,
3984 .key_size = osd_it_iam_key_size,
3985 .rec = osd_it_iam_rec,
3986 .store = osd_it_iam_store,
3987 .load = osd_it_iam_load
3992 * Creates or initializes iterator context.
3994 * \retval struct osd_it_ea, iterator structure on success
3997 static struct dt_it *osd_it_ea_init(const struct lu_env *env,
3998 struct dt_object *dt,
4000 struct lustre_capa *capa)
4002 struct osd_object *obj = osd_dt_obj(dt);
4003 struct osd_thread_info *info = osd_oti_get(env);
4004 struct osd_it_ea *it = &info->oti_it_ea;
4005 struct lu_object *lo = &dt->do_lu;
4006 struct dentry *obj_dentry = &info->oti_it_dentry;
4008 LASSERT(lu_object_exists(lo));
4010 obj_dentry->d_inode = obj->oo_inode;
4011 obj_dentry->d_sb = osd_sb(osd_obj2dev(obj));
4012 obj_dentry->d_name.hash = 0;
4014 it->oie_rd_dirent = 0;
4015 it->oie_it_dirent = 0;
4016 it->oie_dirent = NULL;
4017 it->oie_buf = info->oti_it_ea_buf;
4019 it->oie_file.f_pos = 0;
4020 it->oie_file.f_dentry = obj_dentry;
4021 if (attr & LUDA_64BITHASH)
4022 it->oie_file.f_mode |= FMODE_64BITHASH;
4024 it->oie_file.f_mode |= FMODE_32BITHASH;
4025 it->oie_file.f_mapping = obj->oo_inode->i_mapping;
4026 it->oie_file.f_op = obj->oo_inode->i_fop;
4027 it->oie_file.private_data = NULL;
4029 RETURN((struct dt_it *) it);
4033 * Destroy or finishes iterator context.
4035 * \param di iterator structure to be destroyed
4037 static void osd_it_ea_fini(const struct lu_env *env, struct dt_it *di)
4039 struct osd_it_ea *it = (struct osd_it_ea *)di;
4040 struct osd_object *obj = it->oie_obj;
4041 struct inode *inode = obj->oo_inode;
4044 it->oie_file.f_op->release(inode, &it->oie_file);
4045 lu_object_put(env, &obj->oo_dt.do_lu);
4050 * It position the iterator at given key, so that next lookup continues from
4051 * that key Or it is similar to dio_it->load() but based on a key,
4052 * rather than file position.
4054 * As a special convention, osd_it_ea_get(env, di, "") has to rewind iterator
4057 * TODO: Presently return +1 considering it is only used by mdd_dir_is_empty().
4059 static int osd_it_ea_get(const struct lu_env *env,
4060 struct dt_it *di, const struct dt_key *key)
4062 struct osd_it_ea *it = (struct osd_it_ea *)di;
4065 LASSERT(((const char *)key)[0] == '\0');
4066 it->oie_file.f_pos = 0;
4067 it->oie_rd_dirent = 0;
4068 it->oie_it_dirent = 0;
4069 it->oie_dirent = NULL;
4077 static void osd_it_ea_put(const struct lu_env *env, struct dt_it *di)
4082 * It is called internally by ->readdir(). It fills the
4083 * iterator's in-memory data structure with required
4084 * information i.e. name, namelen, rec_size etc.
4086 * \param buf in which information to be filled in.
4087 * \param name name of the file in given dir
4089 * \retval 0 on success
4090 * \retval 1 on buffer full
4092 static int osd_ldiskfs_filldir(char *buf, const char *name, int namelen,
4093 loff_t offset, __u64 ino,
4096 struct osd_it_ea *it = (struct osd_it_ea *)buf;
4097 struct osd_it_ea_dirent *ent = it->oie_dirent;
4098 struct lu_fid *fid = &ent->oied_fid;
4099 struct osd_fid_pack *rec;
4102 /* this should never happen */
4103 if (unlikely(namelen == 0 || namelen > LDISKFS_NAME_LEN)) {
4104 CERROR("ldiskfs return invalid namelen %d\n", namelen);
4108 if ((void *) ent - it->oie_buf + sizeof(*ent) + namelen >
4112 if (d_type & LDISKFS_DIRENT_LUFID) {
4113 rec = (struct osd_fid_pack*) (name + namelen + 1);
4115 if (osd_fid_unpack(fid, rec) != 0)
4118 d_type &= ~LDISKFS_DIRENT_LUFID;
4123 ent->oied_ino = ino;
4124 ent->oied_off = offset;
4125 ent->oied_namelen = namelen;
4126 ent->oied_type = d_type;
4128 memcpy(ent->oied_name, name, namelen);
4130 it->oie_rd_dirent++;
4131 it->oie_dirent = (void *) ent + cfs_size_round(sizeof(*ent) + namelen);
4136 * Calls ->readdir() to load a directory entry at a time
4137 * and stored it in iterator's in-memory data structure.
4139 * \param di iterator's in memory structure
4141 * \retval 0 on success
4142 * \retval -ve on error
4144 static int osd_ldiskfs_it_fill(const struct lu_env *env,
4145 const struct dt_it *di)
4147 struct osd_it_ea *it = (struct osd_it_ea *)di;
4148 struct osd_object *obj = it->oie_obj;
4149 struct inode *inode = obj->oo_inode;
4150 struct htree_lock *hlock = NULL;
4154 it->oie_dirent = it->oie_buf;
4155 it->oie_rd_dirent = 0;
4157 if (obj->oo_hl_head != NULL) {
4158 hlock = osd_oti_get(env)->oti_hlock;
4159 ldiskfs_htree_lock(hlock, obj->oo_hl_head,
4160 inode, LDISKFS_HLOCK_READDIR);
4162 cfs_down_read(&obj->oo_ext_idx_sem);
4165 result = inode->i_fop->readdir(&it->oie_file, it,
4166 (filldir_t) osd_ldiskfs_filldir);
4169 ldiskfs_htree_unlock(hlock);
4171 cfs_up_read(&obj->oo_ext_idx_sem);
4173 if (it->oie_rd_dirent == 0) {
4176 it->oie_dirent = it->oie_buf;
4177 it->oie_it_dirent = 1;
4184 * It calls osd_ldiskfs_it_fill() which will use ->readdir()
4185 * to load a directory entry at a time and stored it in
4186 * iterator's in-memory data structure.
4188 * \param di iterator's in memory structure
4190 * \retval +ve iterator reached to end
4191 * \retval 0 iterator not reached to end
4192 * \retval -ve on error
4194 static int osd_it_ea_next(const struct lu_env *env, struct dt_it *di)
4196 struct osd_it_ea *it = (struct osd_it_ea *)di;
4201 if (it->oie_it_dirent < it->oie_rd_dirent) {
4203 (void *) it->oie_dirent +
4204 cfs_size_round(sizeof(struct osd_it_ea_dirent) +
4205 it->oie_dirent->oied_namelen);
4206 it->oie_it_dirent++;
4209 if (it->oie_file.f_pos == ldiskfs_get_htree_eof(&it->oie_file))
4212 rc = osd_ldiskfs_it_fill(env, di);
4219 * Returns the key at current position from iterator's in memory structure.
4221 * \param di iterator's in memory structure
4223 * \retval key i.e. struct dt_key on success
4225 static struct dt_key *osd_it_ea_key(const struct lu_env *env,
4226 const struct dt_it *di)
4228 struct osd_it_ea *it = (struct osd_it_ea *)di;
4230 return (struct dt_key *)it->oie_dirent->oied_name;
4234 * Returns the key's size at current position from iterator's in memory structure.
4236 * \param di iterator's in memory structure
4238 * \retval key_size i.e. struct dt_key on success
4240 static int osd_it_ea_key_size(const struct lu_env *env, const struct dt_it *di)
4242 struct osd_it_ea *it = (struct osd_it_ea *)di;
4244 return it->oie_dirent->oied_namelen;
4249 * Returns the value (i.e. fid/igif) at current position from iterator's
4250 * in memory structure.
4252 * \param di struct osd_it_ea, iterator's in memory structure
4253 * \param attr attr requested for dirent.
4254 * \param lde lustre dirent
4256 * \retval 0 no error and \param lde has correct lustre dirent.
4257 * \retval -ve on error
4259 static inline int osd_it_ea_rec(const struct lu_env *env,
4260 const struct dt_it *di,
4261 struct dt_rec *dtrec, __u32 attr)
4263 struct osd_it_ea *it = (struct osd_it_ea *)di;
4264 struct osd_object *obj = it->oie_obj;
4265 struct osd_device *dev = osd_obj2dev(obj);
4266 struct osd_scrub *scrub = &dev->od_scrub;
4267 struct scrub_file *sf = &scrub->os_file;
4268 struct osd_thread_info *oti = osd_oti_get(env);
4269 struct osd_idmap_cache *oic = &oti->oti_cache;
4270 struct lu_fid *fid = &it->oie_dirent->oied_fid;
4271 struct lu_dirent *lde = (struct lu_dirent *)dtrec;
4272 __u32 ino = it->oie_dirent->oied_ino;
4276 if (!fid_is_sane(fid)) {
4277 rc = osd_ea_fid_get(env, obj, ino, fid, &oic->oic_lid);
4281 osd_id_gen(&oic->oic_lid, ino, OSD_OII_NOGEN);
4284 osd_it_pack_dirent(lde, fid, it->oie_dirent->oied_off,
4285 it->oie_dirent->oied_name,
4286 it->oie_dirent->oied_namelen,
4287 it->oie_dirent->oied_type, attr);
4288 if (!fid_is_norm(fid)) {
4289 fid_zero(&oic->oic_fid);
4293 oic->oic_fid = *fid;
4294 if ((scrub->os_pos_current <= ino) &&
4295 (sf->sf_flags & SF_INCONSISTENT ||
4296 ldiskfs_test_bit(osd_oi_fid2idx(dev, fid), sf->sf_oi_bitmap)))
4297 rc = osd_consistency_check(oti, dev, oic);
4303 * Returns a cookie for current position of the iterator head, so that
4304 * user can use this cookie to load/start the iterator next time.
4306 * \param di iterator's in memory structure
4308 * \retval cookie for current position, on success
4310 static __u64 osd_it_ea_store(const struct lu_env *env, const struct dt_it *di)
4312 struct osd_it_ea *it = (struct osd_it_ea *)di;
4314 return it->oie_dirent->oied_off;
4318 * It calls osd_ldiskfs_it_fill() which will use ->readdir()
4319 * to load a directory entry at a time and stored it i inn,
4320 * in iterator's in-memory data structure.
4322 * \param di struct osd_it_ea, iterator's in memory structure
4324 * \retval +ve on success
4325 * \retval -ve on error
4327 static int osd_it_ea_load(const struct lu_env *env,
4328 const struct dt_it *di, __u64 hash)
4330 struct osd_it_ea *it = (struct osd_it_ea *)di;
4334 it->oie_file.f_pos = hash;
4336 rc = osd_ldiskfs_it_fill(env, di);
4344 * Index lookup function for interoperability mode (b11826).
4346 * \param key, key i.e. file name to be searched
4348 * \retval +ve, on success
4349 * \retval -ve, on error
4351 static int osd_index_ea_lookup(const struct lu_env *env, struct dt_object *dt,
4352 struct dt_rec *rec, const struct dt_key *key,
4353 struct lustre_capa *capa)
4355 struct osd_object *obj = osd_dt_obj(dt);
4360 LASSERT(S_ISDIR(obj->oo_inode->i_mode));
4361 LINVRNT(osd_invariant(obj));
4363 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_LOOKUP))
4366 rc = osd_ea_lookup_rec(env, obj, rec, key);
4374 * Index and Iterator operations for interoperability
4375 * mode (i.e. to run 2.0 mds on 1.8 disk) (b11826)
4377 static const struct dt_index_operations osd_index_ea_ops = {
4378 .dio_lookup = osd_index_ea_lookup,
4379 .dio_declare_insert = osd_index_declare_ea_insert,
4380 .dio_insert = osd_index_ea_insert,
4381 .dio_declare_delete = osd_index_declare_ea_delete,
4382 .dio_delete = osd_index_ea_delete,
4384 .init = osd_it_ea_init,
4385 .fini = osd_it_ea_fini,
4386 .get = osd_it_ea_get,
4387 .put = osd_it_ea_put,
4388 .next = osd_it_ea_next,
4389 .key = osd_it_ea_key,
4390 .key_size = osd_it_ea_key_size,
4391 .rec = osd_it_ea_rec,
4392 .store = osd_it_ea_store,
4393 .load = osd_it_ea_load
4397 static void *osd_key_init(const struct lu_context *ctx,
4398 struct lu_context_key *key)
4400 struct osd_thread_info *info;
4402 OBD_ALLOC_PTR(info);
4404 return ERR_PTR(-ENOMEM);
4406 OBD_ALLOC(info->oti_it_ea_buf, OSD_IT_EA_BUFSIZE);
4407 if (info->oti_it_ea_buf == NULL)
4410 info->oti_env = container_of(ctx, struct lu_env, le_ctx);
4412 info->oti_hlock = ldiskfs_htree_lock_alloc();
4413 if (info->oti_hlock == NULL)
4419 OBD_FREE(info->oti_it_ea_buf, OSD_IT_EA_BUFSIZE);
4422 return ERR_PTR(-ENOMEM);
4425 static void osd_key_fini(const struct lu_context *ctx,
4426 struct lu_context_key *key, void* data)
4428 struct osd_thread_info *info = data;
4430 if (info->oti_hlock != NULL)
4431 ldiskfs_htree_lock_free(info->oti_hlock);
4432 OBD_FREE(info->oti_it_ea_buf, OSD_IT_EA_BUFSIZE);
4436 static void osd_key_exit(const struct lu_context *ctx,
4437 struct lu_context_key *key, void *data)
4439 struct osd_thread_info *info = data;
4441 LASSERT(info->oti_r_locks == 0);
4442 LASSERT(info->oti_w_locks == 0);
4443 LASSERT(info->oti_txns == 0);
4446 /* type constructor/destructor: osd_type_init, osd_type_fini */
4447 LU_TYPE_INIT_FINI(osd, &osd_key);
4449 struct lu_context_key osd_key = {
4450 .lct_tags = LCT_DT_THREAD | LCT_MD_THREAD | LCT_MG_THREAD | LCT_LOCAL,
4451 .lct_init = osd_key_init,
4452 .lct_fini = osd_key_fini,
4453 .lct_exit = osd_key_exit
4457 static int osd_device_init(const struct lu_env *env, struct lu_device *d,
4458 const char *name, struct lu_device *next)
4460 struct osd_device *osd = osd_dev(d);
4462 strncpy(osd->od_svname, name, MAX_OBD_NAME);
4463 return osd_procfs_init(osd, name);
4466 static int osd_shutdown(const struct lu_env *env, struct osd_device *o)
4470 osd_scrub_cleanup(env, o);
4473 fsfilt_put_ops(o->od_fsops);
4477 /* shutdown quota slave instance associated with the device */
4478 if (o->od_quota_slave != NULL) {
4479 qsd_fini(env, o->od_quota_slave);
4480 o->od_quota_slave = NULL;
4486 static int osd_mount(const struct lu_env *env,
4487 struct osd_device *o, struct lustre_cfg *cfg)
4489 const char *name = lustre_cfg_string(cfg, 0);
4490 const char *dev = lustre_cfg_string(cfg, 1);
4492 unsigned long page, s_flags, lmd_flags = 0;
4493 struct page *__page;
4494 struct file_system_type *type;
4495 char *options = NULL;
4500 if (o->od_mnt != NULL)
4503 o->od_fsops = fsfilt_get_ops(mt_str(LDD_MT_LDISKFS));
4504 if (o->od_fsops == NULL) {
4505 CERROR("Can't find fsfilt_ldiskfs\n");
4509 OBD_PAGE_ALLOC(__page, CFS_ALLOC_STD);
4513 str = lustre_cfg_string(cfg, 2);
4514 s_flags = simple_strtoul(str, NULL, 0);
4515 str = strstr(str, ":");
4517 lmd_flags = simple_strtoul(str + 1, NULL, 0);
4518 opts = lustre_cfg_string(cfg, 3);
4519 page = (unsigned long)cfs_page_address(__page);
4520 options = (char *)page;
4523 strcat(options, "user_xattr,acl");
4525 strcat(options, opts);
4527 /* Glom up mount options */
4528 if (*options != '\0')
4529 strcat(options, ",");
4530 strlcat(options, "no_mbcache", CFS_PAGE_SIZE);
4532 type = get_fs_type("ldiskfs");
4534 CERROR("%s: cannot find ldiskfs module\n", name);
4535 GOTO(out, rc = -ENODEV);
4538 o->od_mnt = vfs_kern_mount(type, s_flags, dev, options);
4539 cfs_module_put(type->owner);
4541 if (IS_ERR(o->od_mnt)) {
4542 rc = PTR_ERR(o->od_mnt);
4543 CERROR("%s: can't mount %s: %d\n", name, dev, rc);
4548 if (lvfs_check_rdonly(o->od_mnt->mnt_sb->s_bdev)) {
4549 CERROR("%s: underlying device %s is marked as read-only. "
4550 "Setup failed\n", name, dev);
4553 GOTO(out, rc = -EROFS);
4556 if (!LDISKFS_HAS_COMPAT_FEATURE(o->od_mnt->mnt_sb,
4557 LDISKFS_FEATURE_COMPAT_HAS_JOURNAL)) {
4558 CERROR("%s: device %s is mounted w/o journal\n", name, dev);
4561 GOTO(out, rc = -EINVAL);
4564 if (lmd_flags & LMD_FLG_IAM) {
4566 LCONSOLE_WARN("%s: OSD: IAM mode enabled\n", name);
4569 if (lmd_flags & LMD_FLG_NOSCRUB)
4570 o->od_scrub.os_no_scrub = 1;
4574 OBD_PAGE_FREE(__page);
4579 static struct lu_device *osd_device_fini(const struct lu_env *env,
4580 struct lu_device *d)
4585 rc = osd_shutdown(env, osd_dev(d));
4587 osd_compat_fini(osd_dev(d));
4589 shrink_dcache_sb(osd_sb(osd_dev(d)));
4590 osd_sync(env, lu2dt_dev(d));
4592 rc = osd_procfs_fini(osd_dev(d));
4594 CERROR("proc fini error %d \n", rc);
4595 RETURN (ERR_PTR(rc));
4598 if (osd_dev(d)->od_mnt) {
4599 mntput(osd_dev(d)->od_mnt);
4600 osd_dev(d)->od_mnt = NULL;
4606 static int osd_device_init0(const struct lu_env *env,
4607 struct osd_device *o,
4608 struct lustre_cfg *cfg)
4610 struct lu_device *l = osd2lu_dev(o);
4611 struct osd_thread_info *info;
4614 /* if the module was re-loaded, env can loose its keys */
4615 rc = lu_env_refill((struct lu_env *) env);
4618 info = osd_oti_get(env);
4621 l->ld_ops = &osd_lu_ops;
4622 o->od_dt_dev.dd_ops = &osd_dt_ops;
4624 cfs_spin_lock_init(&o->od_osfs_lock);
4625 cfs_mutex_init(&o->od_otable_mutex);
4626 o->od_osfs_age = cfs_time_shift_64(-1000);
4628 o->od_capa_hash = init_capa_hash();
4629 if (o->od_capa_hash == NULL)
4630 GOTO(out, rc = -ENOMEM);
4632 o->od_read_cache = 1;
4633 o->od_writethrough_cache = 1;
4635 rc = osd_mount(env, o, cfg);
4639 /* setup scrub, including OI files initialization */
4640 rc = osd_scrub_setup(env, o);
4644 strncpy(o->od_svname, lustre_cfg_string(cfg, 4),
4645 sizeof(o->od_svname) - 1);
4647 if (strstr(o->od_svname, "-OST")) {
4648 rc = osd_compat_init(o);
4653 rc = lu_site_init(&o->od_site, l);
4655 GOTO(out_compat, rc);
4657 rc = lu_site_init_finish(&o->od_site);
4659 GOTO(out_compat, rc);
4661 rc = osd_procfs_init(o, o->od_svname);
4663 CERROR("%s: can't initialize procfs: rc = %d\n",
4665 GOTO(out_compat, rc);
4668 LASSERT(l->ld_site->ls_linkage.next && l->ld_site->ls_linkage.prev);
4674 osd_oi_fini(info, o);
4675 osd_shutdown(env, o);
4679 cleanup_capa_hash(o->od_capa_hash);
4684 static struct lu_device *osd_device_alloc(const struct lu_env *env,
4685 struct lu_device_type *t,
4686 struct lustre_cfg *cfg)
4688 struct osd_device *o;
4693 return ERR_PTR(-ENOMEM);
4695 rc = dt_device_init(&o->od_dt_dev, t);
4697 rc = osd_device_init0(env, o, cfg);
4699 dt_device_fini(&o->od_dt_dev);
4702 if (unlikely(rc != 0))
4705 return rc == 0 ? osd2lu_dev(o) : ERR_PTR(rc);
4708 static struct lu_device *osd_device_free(const struct lu_env *env,
4709 struct lu_device *d)
4711 struct osd_device *o = osd_dev(d);
4714 cleanup_capa_hash(o->od_capa_hash);
4715 /* XXX: make osd top device in order to release reference */
4716 d->ld_site->ls_top_dev = d;
4717 lu_site_purge(env, d->ld_site, -1);
4718 if (!cfs_hash_is_empty(d->ld_site->ls_obj_hash)) {
4719 LIBCFS_DEBUG_MSG_DATA_DECL(msgdata, D_ERROR, NULL);
4720 lu_site_print(env, d->ld_site, &msgdata, lu_cdebug_printer);
4722 lu_site_fini(&o->od_site);
4723 dt_device_fini(&o->od_dt_dev);
4728 static int osd_process_config(const struct lu_env *env,
4729 struct lu_device *d, struct lustre_cfg *cfg)
4731 struct osd_device *o = osd_dev(d);
4735 switch(cfg->lcfg_command) {
4737 err = osd_mount(env, o, cfg);
4740 lu_dev_del_linkage(d->ld_site, d);
4750 static int osd_recovery_complete(const struct lu_env *env,
4751 struct lu_device *d)
4757 * we use exports to track all osd users
4759 static int osd_obd_connect(const struct lu_env *env, struct obd_export **exp,
4760 struct obd_device *obd, struct obd_uuid *cluuid,
4761 struct obd_connect_data *data, void *localdata)
4763 struct osd_device *osd = osd_dev(obd->obd_lu_dev);
4764 struct lustre_handle conn;
4768 CDEBUG(D_CONFIG, "connect #%d\n", osd->od_connects);
4770 rc = class_connect(&conn, obd, cluuid);
4774 *exp = class_conn2export(&conn);
4776 cfs_spin_lock(&osd->od_osfs_lock);
4778 cfs_spin_unlock(&osd->od_osfs_lock);
4784 * once last export (we don't count self-export) disappeared
4785 * osd can be released
4787 static int osd_obd_disconnect(struct obd_export *exp)
4789 struct obd_device *obd = exp->exp_obd;
4790 struct osd_device *osd = osd_dev(obd->obd_lu_dev);
4791 int rc, release = 0;
4794 /* Only disconnect the underlying layers on the final disconnect. */
4795 cfs_spin_lock(&osd->od_osfs_lock);
4797 if (osd->od_connects == 0)
4799 cfs_spin_unlock(&osd->od_osfs_lock);
4801 rc = class_disconnect(exp); /* bz 9811 */
4803 if (rc == 0 && release)
4804 class_manual_cleanup(obd);
4808 static int osd_prepare(const struct lu_env *env, struct lu_device *pdev,
4809 struct lu_device *dev)
4811 struct osd_device *osd = osd_dev(dev);
4815 /* 2. setup quota slave instance */
4816 osd->od_quota_slave = qsd_init(env, osd->od_svname, &osd->od_dt_dev,
4817 osd->od_proc_entry);
4818 if (IS_ERR(osd->od_quota_slave)) {
4819 result = PTR_ERR(osd->od_quota_slave);
4820 osd->od_quota_slave = NULL;
4824 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 3, 55, 0)
4825 /* Unfortunately, the current MDD implementation relies on some specific
4826 * code to be executed in the OSD layer. Since OFD now also uses the OSD
4827 * module, we need a way to skip the metadata-specific code when running
4829 * The hack here is to check the type of the parent device which is
4830 * either MD (i.e. MDD device) with the current MDT stack or DT (i.e.
4831 * OFD device) on an OST. As a reminder, obdfilter does not use the OSD
4832 * layer and still relies on lvfs. This hack won't work any more when
4833 * LOD is landed since LOD is of DT type.
4834 * This code should be removed once the orion MDT changes (LOD/OSP, ...)
4835 * have been landed */
4836 osd->od_is_md = lu_device_is_md(pdev);
4838 #warning "all is_md checks must be removed from osd-ldiskfs"
4844 /* 3. setup local objects */
4845 result = llo_local_objects_setup(env, lu2md_dev(pdev), lu2dt_dev(dev));
4849 static const struct lu_object_operations osd_lu_obj_ops = {
4850 .loo_object_init = osd_object_init,
4851 .loo_object_delete = osd_object_delete,
4852 .loo_object_release = osd_object_release,
4853 .loo_object_free = osd_object_free,
4854 .loo_object_print = osd_object_print,
4855 .loo_object_invariant = osd_object_invariant
4858 const struct lu_device_operations osd_lu_ops = {
4859 .ldo_object_alloc = osd_object_alloc,
4860 .ldo_process_config = osd_process_config,
4861 .ldo_recovery_complete = osd_recovery_complete,
4862 .ldo_prepare = osd_prepare,
4865 static const struct lu_device_type_operations osd_device_type_ops = {
4866 .ldto_init = osd_type_init,
4867 .ldto_fini = osd_type_fini,
4869 .ldto_start = osd_type_start,
4870 .ldto_stop = osd_type_stop,
4872 .ldto_device_alloc = osd_device_alloc,
4873 .ldto_device_free = osd_device_free,
4875 .ldto_device_init = osd_device_init,
4876 .ldto_device_fini = osd_device_fini
4879 struct lu_device_type osd_device_type = {
4880 .ldt_tags = LU_DEVICE_DT,
4881 .ldt_name = LUSTRE_OSD_LDISKFS_NAME,
4882 .ldt_ops = &osd_device_type_ops,
4883 .ldt_ctx_tags = LCT_LOCAL,
4887 * lprocfs legacy support.
4889 static struct obd_ops osd_obd_device_ops = {
4890 .o_owner = THIS_MODULE,
4891 .o_connect = osd_obd_connect,
4892 .o_disconnect = osd_obd_disconnect
4895 static int __init osd_mod_init(void)
4897 struct lprocfs_static_vars lvars;
4900 lprocfs_osd_init_vars(&lvars);
4901 return class_register_type(&osd_obd_device_ops, NULL, lvars.module_vars,
4902 LUSTRE_OSD_LDISKFS_NAME, &osd_device_type);
4905 static void __exit osd_mod_exit(void)
4907 class_unregister_type(LUSTRE_OSD_LDISKFS_NAME);
4910 MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
4911 MODULE_DESCRIPTION("Lustre Object Storage Device ("LUSTRE_OSD_LDISKFS_NAME")");
4912 MODULE_LICENSE("GPL");
4914 cfs_module(osd, "0.1.0", osd_mod_init, osd_mod_exit);