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, Intel Corporation.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lustre/osd/osd_handler.c
38 * Top-level entry points into osd module
40 * Author: Nikita Danilov <nikita@clusterfs.com>
41 * Pravin Shelar <pravin.shelar@sun.com> : Added fid in dirent
44 #define DEBUG_SUBSYSTEM S_MDS
46 #include <linux/module.h>
48 /* LUSTRE_VERSION_CODE */
49 #include <lustre_ver.h>
50 /* prerequisite for linux/xattr.h */
51 #include <linux/types.h>
52 /* prerequisite for linux/xattr.h */
54 /* XATTR_{REPLACE,CREATE} */
55 #include <linux/xattr.h>
60 * struct OBD_{ALLOC,FREE}*()
63 #include <obd_support.h>
64 /* struct ptlrpc_thread */
65 #include <lustre_net.h>
66 #include <lustre_fid.h>
68 #include "osd_internal.h"
70 /* llo_* api support */
71 #include <md_object.h>
72 #include <lustre_quota.h>
75 CFS_MODULE_PARM(ldiskfs_pdo, "i", int, 0644,
76 "ldiskfs with parallel directory operations");
78 static const char dot[] = ".";
79 static const char dotdot[] = "..";
80 static const char remote_obj_dir[] = "REM_OBJ_DIR";
82 static const struct lu_object_operations osd_lu_obj_ops;
83 static const struct dt_object_operations osd_obj_ops;
84 static const struct dt_object_operations osd_obj_ea_ops;
85 static const struct dt_object_operations osd_obj_otable_it_ops;
86 static const struct dt_index_operations osd_index_iam_ops;
87 static const struct dt_index_operations osd_index_ea_ops;
89 #ifdef OSD_TRACK_DECLARES
90 int osd_trans_declare_op2rb[] = {
91 [OSD_OT_ATTR_SET] = OSD_OT_ATTR_SET,
92 [OSD_OT_PUNCH] = OSD_OT_MAX,
93 [OSD_OT_XATTR_SET] = OSD_OT_XATTR_SET,
94 [OSD_OT_CREATE] = OSD_OT_DESTROY,
95 [OSD_OT_DESTROY] = OSD_OT_CREATE,
96 [OSD_OT_REF_ADD] = OSD_OT_REF_DEL,
97 [OSD_OT_REF_DEL] = OSD_OT_REF_ADD,
98 [OSD_OT_WRITE] = OSD_OT_WRITE,
99 [OSD_OT_INSERT] = OSD_OT_DELETE,
100 [OSD_OT_DELETE] = OSD_OT_INSERT,
101 [OSD_OT_QUOTA] = OSD_OT_MAX,
105 static int osd_has_index(const struct osd_object *obj)
107 return obj->oo_dt.do_index_ops != NULL;
110 static int osd_object_invariant(const struct lu_object *l)
112 return osd_invariant(osd_obj(l));
116 * Concurrency: doesn't matter
118 static int osd_read_locked(const struct lu_env *env, struct osd_object *o)
120 return osd_oti_get(env)->oti_r_locks > 0;
124 * Concurrency: doesn't matter
126 static int osd_write_locked(const struct lu_env *env, struct osd_object *o)
128 struct osd_thread_info *oti = osd_oti_get(env);
129 return oti->oti_w_locks > 0 && o->oo_owner == env;
133 * Concurrency: doesn't access mutable data
135 static int osd_root_get(const struct lu_env *env,
136 struct dt_device *dev, struct lu_fid *f)
138 lu_local_obj_fid(f, OSD_FS_ROOT_OID);
143 * OSD object methods.
147 * Concurrency: no concurrent access is possible that early in object
150 static struct lu_object *osd_object_alloc(const struct lu_env *env,
151 const struct lu_object_header *hdr,
154 struct osd_object *mo;
160 l = &mo->oo_dt.do_lu;
161 dt_object_init(&mo->oo_dt, NULL, d);
162 mo->oo_dt.do_ops = &osd_obj_ea_ops;
163 l->lo_ops = &osd_lu_obj_ops;
164 init_rwsem(&mo->oo_sem);
165 init_rwsem(&mo->oo_ext_idx_sem);
166 spin_lock_init(&mo->oo_guard);
173 static inline int __osd_xattr_get(struct inode *inode, struct dentry *dentry,
174 const char *name, void *buf, int len)
176 dentry->d_inode = inode;
177 return inode->i_op->getxattr(dentry, name, buf, len);
180 int osd_get_lma(struct osd_thread_info *info, struct inode *inode,
181 struct dentry *dentry, struct lustre_mdt_attrs *lma)
185 rc = __osd_xattr_get(inode, dentry, XATTR_NAME_LMA, (void *)lma,
188 /* try with old lma size */
189 rc = inode->i_op->getxattr(dentry, XATTR_NAME_LMA,
190 info->oti_mdt_attrs_old,
193 memcpy(lma, info->oti_mdt_attrs_old, sizeof(*lma));
196 /* Check LMA compatibility */
197 if (lma->lma_incompat & ~cpu_to_le32(LMA_INCOMPAT_SUPP)) {
198 CWARN("%.16s: unsupported incompat LMA feature(s) "
200 LDISKFS_SB(inode->i_sb)->s_es->s_volume_name,
201 inode->i_ino, le32_to_cpu(lma->lma_incompat) &
205 lustre_lma_swab(lma);
208 } else if (rc == 0) {
216 * retrieve object from backend ext fs.
218 struct inode *osd_iget(struct osd_thread_info *info, struct osd_device *dev,
219 struct osd_inode_id *id)
221 struct inode *inode = NULL;
223 inode = ldiskfs_iget(osd_sb(dev), id->oii_ino);
225 CDEBUG(D_INODE, "no inode: ino = %u, rc = %ld\n",
226 id->oii_ino, PTR_ERR(inode));
227 } else if (id->oii_gen != OSD_OII_NOGEN &&
228 inode->i_generation != id->oii_gen) {
229 CDEBUG(D_INODE, "unmatched inode: ino = %u, gen0 = %u, "
231 id->oii_ino, id->oii_gen, inode->i_generation);
233 inode = ERR_PTR(-ESTALE);
234 } else if (inode->i_nlink == 0) {
235 /* due to parallel readdir and unlink,
236 * we can have dead inode here. */
237 CDEBUG(D_INODE, "stale inode: ino = %u\n", id->oii_ino);
238 make_bad_inode(inode);
240 inode = ERR_PTR(-ESTALE);
241 } else if (is_bad_inode(inode)) {
242 CWARN("%.16s: bad inode: ino = %u\n",
243 LDISKFS_SB(osd_sb(dev))->s_es->s_volume_name, id->oii_ino);
245 inode = ERR_PTR(-ENOENT);
247 if (id->oii_gen == OSD_OII_NOGEN)
248 osd_id_gen(id, inode->i_ino, inode->i_generation);
250 /* Do not update file c/mtime in ldiskfs.
251 * NB: we don't have any lock to protect this because we don't
252 * have reference on osd_object now, but contention with
253 * another lookup + attr_set can't happen in the tiny window
254 * between if (...) and set S_NOCMTIME. */
255 if (!(inode->i_flags & S_NOCMTIME))
256 inode->i_flags |= S_NOCMTIME;
261 static struct inode *
262 osd_iget_fid(struct osd_thread_info *info, struct osd_device *dev,
263 struct osd_inode_id *id, struct lu_fid *fid)
265 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
269 inode = osd_iget(info, dev, id);
273 rc = osd_get_lma(info, inode, &info->oti_obj_dentry, lma);
275 *fid = lma->lma_self_fid;
276 } else if (rc == -ENODATA) {
277 if (unlikely(inode == osd_sb(dev)->s_root->d_inode))
278 lu_local_obj_fid(fid, OSD_FS_ROOT_OID);
280 lu_igif_build(fid, inode->i_ino, inode->i_generation);
288 static struct inode *
289 osd_iget_verify(struct osd_thread_info *info, struct osd_device *dev,
290 struct osd_inode_id *id, const struct lu_fid *fid)
292 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
296 inode = osd_iget(info, dev, id);
300 rc = osd_get_lma(info, inode, &info->oti_obj_dentry, lma);
309 if (!lu_fid_eq(fid, &lma->lma_self_fid)) {
310 CDEBUG(D_LFSCK, "inconsistent obj: "DFID", %lu, "DFID"\n",
311 PFID(&lma->lma_self_fid), inode->i_ino, PFID(fid));
313 return ERR_PTR(-EREMCHG);
319 static int osd_fid_lookup(const struct lu_env *env, struct osd_object *obj,
320 const struct lu_fid *fid,
321 const struct lu_object_conf *conf)
323 struct osd_thread_info *info;
324 struct lu_device *ldev = obj->oo_dt.do_lu.lo_dev;
325 struct osd_device *dev;
326 struct osd_idmap_cache *oic;
327 struct osd_inode_id *id;
329 struct osd_scrub *scrub;
330 struct scrub_file *sf;
335 LINVRNT(osd_invariant(obj));
336 LASSERT(obj->oo_inode == NULL);
337 LASSERTF(fid_is_sane(fid) || fid_is_idif(fid), DFID, PFID(fid));
340 scrub = &dev->od_scrub;
341 sf = &scrub->os_file;
342 info = osd_oti_get(env);
344 oic = &info->oti_cache;
346 if (OBD_FAIL_CHECK(OBD_FAIL_OST_ENOENT))
349 /* Search order: 1. per-thread cache. */
350 if (lu_fid_eq(fid, &oic->oic_fid)) {
356 if (!cfs_list_empty(&scrub->os_inconsistent_items)) {
357 /* Search order: 2. OI scrub pending list. */
358 result = osd_oii_lookup(dev, fid, id);
363 if (sf->sf_flags & SF_INCONSISTENT)
367 * Objects are created as locking anchors or place holders for objects
368 * yet to be created. No need to osd_oi_lookup() at here because FID
369 * shouldn't never be re-used, if it's really a duplicate FID from
370 * unexpected reason, we should be able to detect it later by calling
371 * do_create->osd_oi_insert()
373 if (conf != NULL && conf->loc_flags & LOC_F_NEW)
374 GOTO(out, result = 0);
376 /* Search order: 3. OI files. */
377 result = osd_oi_lookup(info, dev, fid, id, true);
378 if (result == -ENOENT) {
379 if (!fid_is_norm(fid) || fid_is_on_ost(info, dev, fid) ||
380 !ldiskfs_test_bit(osd_oi_fid2idx(dev,fid),
382 GOTO(out, result = 0);
392 inode = osd_iget(info, dev, id);
394 inode = osd_iget_verify(info, dev, id, fid);
396 result = PTR_ERR(inode);
397 if (result == -ENOENT || result == -ESTALE) {
398 fid_zero(&oic->oic_fid);
400 } else if (result == -EREMCHG) {
403 if (thread_is_running(&scrub->os_thread)) {
404 result = -EINPROGRESS;
405 } else if (!dev->od_noscrub) {
406 result = osd_scrub_start(dev);
407 LCONSOLE_ERROR("%.16s: trigger OI scrub by RPC "
408 "for "DFID", rc = %d [1]\n",
409 LDISKFS_SB(osd_sb(dev))->s_es->\
410 s_volume_name,PFID(fid), result);
411 if (result == 0 || result == -EALREADY)
412 result = -EINPROGRESS;
421 obj->oo_inode = inode;
422 LASSERT(obj->oo_inode->i_sb == osd_sb(dev));
424 obj->oo_compat_dot_created = 1;
425 obj->oo_compat_dotdot_created = 1;
427 if (!S_ISDIR(inode->i_mode) || !ldiskfs_pdo) /* done */
428 GOTO(out, result = 0);
430 LASSERT(obj->oo_hl_head == NULL);
431 obj->oo_hl_head = ldiskfs_htree_lock_head_alloc(HTREE_HBITS_DEF);
432 if (obj->oo_hl_head == NULL) {
433 obj->oo_inode = NULL;
435 GOTO(out, result = -ENOMEM);
437 GOTO(out, result = 0);
440 LINVRNT(osd_invariant(obj));
445 * Concurrency: shouldn't matter.
447 static void osd_object_init0(struct osd_object *obj)
449 LASSERT(obj->oo_inode != NULL);
450 obj->oo_dt.do_body_ops = &osd_body_ops;
451 obj->oo_dt.do_lu.lo_header->loh_attr |=
452 (LOHA_EXISTS | (obj->oo_inode->i_mode & S_IFMT));
456 * Concurrency: no concurrent access is possible that early in object
459 static int osd_object_init(const struct lu_env *env, struct lu_object *l,
460 const struct lu_object_conf *conf)
462 struct osd_object *obj = osd_obj(l);
465 LINVRNT(osd_invariant(obj));
467 if (fid_is_otable_it(&l->lo_header->loh_fid)) {
468 obj->oo_dt.do_ops = &osd_obj_otable_it_ops;
469 l->lo_header->loh_attr |= LOHA_EXISTS;
473 result = osd_fid_lookup(env, obj, lu_object_fid(l), conf);
474 obj->oo_dt.do_body_ops = &osd_body_ops_new;
475 if (result == 0 && obj->oo_inode != NULL)
476 osd_object_init0(obj);
478 LINVRNT(osd_invariant(obj));
483 * Concurrency: no concurrent access is possible that late in object
486 static void osd_object_free(const struct lu_env *env, struct lu_object *l)
488 struct osd_object *obj = osd_obj(l);
490 LINVRNT(osd_invariant(obj));
492 dt_object_fini(&obj->oo_dt);
493 if (obj->oo_hl_head != NULL)
494 ldiskfs_htree_lock_head_free(obj->oo_hl_head);
499 * Concurrency: no concurrent access is possible that late in object
502 static void osd_index_fini(struct osd_object *o)
504 struct iam_container *bag;
506 if (o->oo_dir != NULL) {
507 bag = &o->oo_dir->od_container;
508 if (o->oo_inode != NULL) {
509 if (bag->ic_object == o->oo_inode)
510 iam_container_fini(bag);
512 OBD_FREE_PTR(o->oo_dir);
518 * Concurrency: no concurrent access is possible that late in object
519 * life-cycle (for all existing callers, that is. New callers have to provide
520 * their own locking.)
522 static int osd_inode_unlinked(const struct inode *inode)
524 return inode->i_nlink == 0;
528 OSD_TXN_OI_DELETE_CREDITS = 20,
529 OSD_TXN_INODE_DELETE_CREDITS = 20
536 #if OSD_THANDLE_STATS
538 * Set time when the handle is allocated
540 static void osd_th_alloced(struct osd_thandle *oth)
542 oth->oth_alloced = cfs_time_current();
546 * Set time when the handle started
548 static void osd_th_started(struct osd_thandle *oth)
550 oth->oth_started = cfs_time_current();
554 * Helper function to convert time interval to microseconds packed in
557 static long interval_to_usec(cfs_time_t start, cfs_time_t end)
561 cfs_duration_usec(cfs_time_sub(end, start), &val);
562 return val.tv_sec * 1000000 + val.tv_usec;
566 * Check whether the we deal with this handle for too long.
568 static void __osd_th_check_slow(void *oth, struct osd_device *dev,
569 cfs_time_t alloced, cfs_time_t started,
572 cfs_time_t now = cfs_time_current();
574 LASSERT(dev != NULL);
576 lprocfs_counter_add(dev->od_stats, LPROC_OSD_THANDLE_STARTING,
577 interval_to_usec(alloced, started));
578 lprocfs_counter_add(dev->od_stats, LPROC_OSD_THANDLE_OPEN,
579 interval_to_usec(started, closed));
580 lprocfs_counter_add(dev->od_stats, LPROC_OSD_THANDLE_CLOSING,
581 interval_to_usec(closed, now));
583 if (cfs_time_before(cfs_time_add(alloced, cfs_time_seconds(30)), now)) {
584 CWARN("transaction handle %p was open for too long: "
586 "alloced "CFS_TIME_T" ,"
587 "started "CFS_TIME_T" ,"
588 "closed "CFS_TIME_T"\n",
589 oth, now, alloced, started, closed);
590 libcfs_debug_dumpstack(NULL);
594 #define OSD_CHECK_SLOW_TH(oth, dev, expr) \
596 cfs_time_t __closed = cfs_time_current(); \
597 cfs_time_t __alloced = oth->oth_alloced; \
598 cfs_time_t __started = oth->oth_started; \
601 __osd_th_check_slow(oth, dev, __alloced, __started, __closed); \
604 #else /* OSD_THANDLE_STATS */
606 #define osd_th_alloced(h) do {} while(0)
607 #define osd_th_started(h) do {} while(0)
608 #define OSD_CHECK_SLOW_TH(oth, dev, expr) expr
610 #endif /* OSD_THANDLE_STATS */
613 * Concurrency: doesn't access mutable data.
615 static int osd_param_is_not_sane(const struct osd_device *dev,
616 const struct thandle *th)
618 struct osd_thandle *oh = container_of(th, typeof(*oh), ot_super);
620 return oh->ot_credits > osd_journal(dev)->j_max_transaction_buffers;
624 * Concurrency: shouldn't matter.
626 #ifdef HAVE_LDISKFS_JOURNAL_CALLBACK_ADD
627 static void osd_trans_commit_cb(struct super_block *sb,
628 struct journal_callback *jcb, int error)
630 static void osd_trans_commit_cb(struct journal_callback *jcb, int error)
633 struct osd_thandle *oh = container_of0(jcb, struct osd_thandle, ot_jcb);
634 struct thandle *th = &oh->ot_super;
635 struct lu_device *lud = &th->th_dev->dd_lu_dev;
636 struct dt_txn_commit_cb *dcb, *tmp;
638 LASSERT(oh->ot_handle == NULL);
641 CERROR("transaction @0x%p commit error: %d\n", th, error);
643 dt_txn_hook_commit(th);
645 /* call per-transaction callbacks if any */
646 cfs_list_for_each_entry_safe(dcb, tmp, &oh->ot_dcb_list, dcb_linkage) {
647 LASSERTF(dcb->dcb_magic == TRANS_COMMIT_CB_MAGIC,
648 "commit callback entry: magic=%x name='%s'\n",
649 dcb->dcb_magic, dcb->dcb_name);
650 cfs_list_del_init(&dcb->dcb_linkage);
651 dcb->dcb_func(NULL, th, dcb, error);
654 lu_ref_del_at(&lud->ld_reference, oh->ot_dev_link, "osd-tx", th);
658 lu_context_exit(&th->th_ctx);
659 lu_context_fini(&th->th_ctx);
663 static struct thandle *osd_trans_create(const struct lu_env *env,
666 struct osd_thread_info *oti = osd_oti_get(env);
667 struct osd_iobuf *iobuf = &oti->oti_iobuf;
668 struct osd_thandle *oh;
672 /* on pending IO in this thread should left from prev. request */
673 LASSERT(cfs_atomic_read(&iobuf->dr_numreqs) == 0);
675 th = ERR_PTR(-ENOMEM);
676 OBD_ALLOC_GFP(oh, sizeof *oh, CFS_ALLOC_IO);
678 oh->ot_quota_trans = &oti->oti_quota_trans;
679 memset(oh->ot_quota_trans, 0, sizeof(*oh->ot_quota_trans));
683 th->th_tags = LCT_TX_HANDLE;
685 oti->oti_dev = osd_dt_dev(d);
686 CFS_INIT_LIST_HEAD(&oh->ot_dcb_list);
689 memset(oti->oti_declare_ops, 0, OSD_OT_MAX);
690 memset(oti->oti_declare_ops_rb, 0, OSD_OT_MAX);
691 memset(oti->oti_declare_ops_cred, 0, OSD_OT_MAX);
692 oti->oti_rollback = false;
698 * Concurrency: shouldn't matter.
700 int osd_trans_start(const struct lu_env *env, struct dt_device *d,
703 struct osd_thread_info *oti = osd_oti_get(env);
704 struct osd_device *dev = osd_dt_dev(d);
706 struct osd_thandle *oh;
711 LASSERT(current->journal_info == NULL);
713 oh = container_of0(th, struct osd_thandle, ot_super);
715 LASSERT(oh->ot_handle == NULL);
717 rc = dt_txn_hook_start(env, d, th);
721 if (unlikely(osd_param_is_not_sane(dev, th))) {
722 static unsigned long last_printed;
723 static int last_credits;
725 CWARN("%.16s: too many transaction credits (%d > %d)\n",
726 LDISKFS_SB(osd_sb(dev))->s_es->s_volume_name,
728 osd_journal(dev)->j_max_transaction_buffers);
729 #ifdef OSD_TRACK_DECLARES
730 CWARN(" create: %u/%u, delete: %u/%u, destroy: %u/%u\n",
731 oti->oti_declare_ops[OSD_OT_CREATE],
732 oti->oti_declare_ops_cred[OSD_OT_CREATE],
733 oti->oti_declare_ops[OSD_OT_DELETE],
734 oti->oti_declare_ops_cred[OSD_OT_DELETE],
735 oti->oti_declare_ops[OSD_OT_DESTROY],
736 oti->oti_declare_ops_cred[OSD_OT_DESTROY]);
737 CWARN(" attr_set: %u/%u, xattr_set: %u/%u\n",
738 oti->oti_declare_ops[OSD_OT_ATTR_SET],
739 oti->oti_declare_ops_cred[OSD_OT_ATTR_SET],
740 oti->oti_declare_ops[OSD_OT_XATTR_SET],
741 oti->oti_declare_ops_cred[OSD_OT_XATTR_SET]);
742 CWARN(" write: %u/%u, punch: %u/%u, quota %u/%u\n",
743 oti->oti_declare_ops[OSD_OT_WRITE],
744 oti->oti_declare_ops_cred[OSD_OT_WRITE],
745 oti->oti_declare_ops[OSD_OT_PUNCH],
746 oti->oti_declare_ops_cred[OSD_OT_PUNCH],
747 oti->oti_declare_ops[OSD_OT_QUOTA],
748 oti->oti_declare_ops_cred[OSD_OT_QUOTA]);
749 CWARN(" insert: %u/%u, delete: %u/%u\n",
750 oti->oti_declare_ops[OSD_OT_INSERT],
751 oti->oti_declare_ops_cred[OSD_OT_INSERT],
752 oti->oti_declare_ops[OSD_OT_DESTROY],
753 oti->oti_declare_ops_cred[OSD_OT_DESTROY]);
754 CWARN(" ref_add: %u/%u, ref_del: %u/%u\n",
755 oti->oti_declare_ops[OSD_OT_REF_ADD],
756 oti->oti_declare_ops_cred[OSD_OT_REF_ADD],
757 oti->oti_declare_ops[OSD_OT_REF_DEL],
758 oti->oti_declare_ops_cred[OSD_OT_REF_DEL]);
760 if (last_credits != oh->ot_credits &&
761 time_after(jiffies, last_printed + 60 * HZ)) {
762 libcfs_debug_dumpstack(NULL);
763 last_credits = oh->ot_credits;
764 last_printed = jiffies;
767 /* XXX Limit the credits to 'max_transaction_buffers', and
768 * let the underlying filesystem to catch the error if
769 * we really need so many credits.
771 * This should be removed when we can calculate the
772 * credits precisely. */
773 oh->ot_credits = osd_journal(dev)->j_max_transaction_buffers;
777 * XXX temporary stuff. Some abstraction layer should
780 jh = ldiskfs_journal_start_sb(osd_sb(dev), oh->ot_credits);
784 LASSERT(oti->oti_txns == 0);
785 lu_context_init(&th->th_ctx, th->th_tags);
786 lu_context_enter(&th->th_ctx);
788 lu_device_get(&d->dd_lu_dev);
789 oh->ot_dev_link = lu_ref_add(&d->dd_lu_dev.ld_reference,
801 * Concurrency: shouldn't matter.
803 static int osd_trans_stop(const struct lu_env *env, struct thandle *th)
806 struct osd_thandle *oh;
807 struct osd_thread_info *oti = osd_oti_get(env);
808 struct osd_iobuf *iobuf = &oti->oti_iobuf;
809 struct qsd_instance *qsd = oti->oti_dev->od_quota_slave;
812 oh = container_of0(th, struct osd_thandle, ot_super);
815 /* inform the quota slave device that the transaction is
817 qsd_op_end(env, qsd, oh->ot_quota_trans);
818 oh->ot_quota_trans = NULL;
820 if (oh->ot_handle != NULL) {
821 handle_t *hdl = oh->ot_handle;
824 * add commit callback
825 * notice we don't do this in osd_trans_start()
826 * as underlying transaction can change during truncate
828 osd_journal_callback_set(hdl, osd_trans_commit_cb,
831 LASSERT(oti->oti_txns == 1);
833 rc = dt_txn_hook_stop(env, th);
835 CERROR("Failure in transaction hook: %d\n", rc);
837 /* hook functions might modify th_sync */
838 hdl->h_sync = th->th_sync;
840 oh->ot_handle = NULL;
841 OSD_CHECK_SLOW_TH(oh, oti->oti_dev,
842 rc = ldiskfs_journal_stop(hdl));
844 CERROR("Failure to stop transaction: %d\n", rc);
849 /* as we want IO to journal and data IO be concurrent, we don't block
850 * awaiting data IO completion in osd_do_bio(), instead we wait here
851 * once transaction is submitted to the journal. all reqular requests
852 * don't do direct IO (except read/write), thus this wait_event becomes
855 * IMPORTANT: we have to wait till any IO submited by the thread is
856 * completed otherwise iobuf may be corrupted by different request
858 cfs_wait_event(iobuf->dr_wait,
859 cfs_atomic_read(&iobuf->dr_numreqs) == 0);
861 rc = iobuf->dr_error;
866 static int osd_trans_cb_add(struct thandle *th, struct dt_txn_commit_cb *dcb)
868 struct osd_thandle *oh = container_of0(th, struct osd_thandle,
871 LASSERT(dcb->dcb_magic == TRANS_COMMIT_CB_MAGIC);
872 LASSERT(&dcb->dcb_func != NULL);
873 cfs_list_add(&dcb->dcb_linkage, &oh->ot_dcb_list);
879 * Called just before object is freed. Releases all resources except for
880 * object itself (that is released by osd_object_free()).
882 * Concurrency: no concurrent access is possible that late in object
885 static void osd_object_delete(const struct lu_env *env, struct lu_object *l)
887 struct osd_object *obj = osd_obj(l);
888 struct inode *inode = obj->oo_inode;
890 LINVRNT(osd_invariant(obj));
893 * If object is unlinked remove fid->ino mapping from object index.
898 struct qsd_instance *qsd = osd_obj2dev(obj)->od_quota_slave;
899 qid_t uid = inode->i_uid;
900 qid_t gid = inode->i_gid;
903 obj->oo_inode = NULL;
906 struct osd_thread_info *info = osd_oti_get(env);
907 struct lquota_id_info *qi = &info->oti_qi;
909 /* Release granted quota to master if necessary */
910 qi->lqi_id.qid_uid = uid;
911 qsd_op_adjust(env, qsd, &qi->lqi_id, USRQUOTA);
913 qi->lqi_id.qid_uid = gid;
914 qsd_op_adjust(env, qsd, &qi->lqi_id, GRPQUOTA);
920 * Concurrency: ->loo_object_release() is called under site spin-lock.
922 static void osd_object_release(const struct lu_env *env,
928 * Concurrency: shouldn't matter.
930 static int osd_object_print(const struct lu_env *env, void *cookie,
931 lu_printer_t p, const struct lu_object *l)
933 struct osd_object *o = osd_obj(l);
936 if (o->oo_dir != NULL)
937 d = o->oo_dir->od_container.ic_descr;
940 return (*p)(env, cookie,
941 LUSTRE_OSD_LDISKFS_NAME"-object@%p(i:%p:%lu/%u)[%s]",
943 o->oo_inode ? o->oo_inode->i_ino : 0UL,
944 o->oo_inode ? o->oo_inode->i_generation : 0,
945 d ? d->id_ops->id_name : "plain");
949 * Concurrency: shouldn't matter.
951 int osd_statfs(const struct lu_env *env, struct dt_device *d,
952 struct obd_statfs *sfs)
954 struct osd_device *osd = osd_dt_dev(d);
955 struct super_block *sb = osd_sb(osd);
956 struct kstatfs *ksfs;
959 if (unlikely(osd->od_mnt == NULL))
962 /* osd_lproc.c call this without env, allocate ksfs for that case */
963 if (unlikely(env == NULL)) {
968 ksfs = &osd_oti_get(env)->oti_ksfs;
971 spin_lock(&osd->od_osfs_lock);
973 if (cfs_time_before_64(osd->od_osfs_age, cfs_time_shift_64(-1))) {
974 result = sb->s_op->statfs(sb->s_root, ksfs);
975 if (likely(result == 0)) { /* N.B. statfs can't really fail */
976 osd->od_osfs_age = cfs_time_current_64();
977 statfs_pack(&osd->od_statfs, ksfs);
978 if (sb->s_flags & MS_RDONLY)
979 sfs->os_state = OS_STATE_READONLY;
983 if (likely(result == 0))
984 *sfs = osd->od_statfs;
985 spin_unlock(&osd->od_osfs_lock);
987 if (unlikely(env == NULL))
994 * Estimate space needed for file creations. We assume the largest filename
995 * which is 2^64 - 1, hence a filename of 20 chars.
996 * This is 28 bytes per object which is 28MB for 1M objects ... no so bad.
998 #ifdef __LDISKFS_DIR_REC_LEN
999 #define PER_OBJ_USAGE __LDISKFS_DIR_REC_LEN(20)
1001 #define PER_OBJ_USAGE LDISKFS_DIR_REC_LEN(20)
1005 * Concurrency: doesn't access mutable data.
1007 static void osd_conf_get(const struct lu_env *env,
1008 const struct dt_device *dev,
1009 struct dt_device_param *param)
1011 struct super_block *sb = osd_sb(osd_dt_dev(dev));
1014 * XXX should be taken from not-yet-existing fs abstraction layer.
1016 param->ddp_mnt = osd_dt_dev(dev)->od_mnt;
1017 param->ddp_max_name_len = LDISKFS_NAME_LEN;
1018 param->ddp_max_nlink = LDISKFS_LINK_MAX;
1019 param->ddp_block_shift = sb->s_blocksize_bits;
1020 param->ddp_mount_type = LDD_MT_LDISKFS;
1021 param->ddp_maxbytes = sb->s_maxbytes;
1022 /* Overhead estimate should be fairly accurate, so we really take a tiny
1023 * error margin which also avoids fragmenting the filesystem too much */
1024 param->ddp_grant_reserved = 2; /* end up to be 1.9% after conversion */
1025 /* inode are statically allocated, so per-inode space consumption
1026 * is the space consumed by the directory entry */
1027 param->ddp_inodespace = PER_OBJ_USAGE;
1028 /* per-fragment overhead to be used by the client code */
1029 param->ddp_grant_frag = 6 * LDISKFS_BLOCK_SIZE(sb);
1030 param->ddp_mntopts = 0;
1031 if (test_opt(sb, XATTR_USER))
1032 param->ddp_mntopts |= MNTOPT_USERXATTR;
1033 if (test_opt(sb, POSIX_ACL))
1034 param->ddp_mntopts |= MNTOPT_ACL;
1036 #if defined(LDISKFS_FEATURE_INCOMPAT_EA_INODE)
1037 if (LDISKFS_HAS_INCOMPAT_FEATURE(sb, LDISKFS_FEATURE_INCOMPAT_EA_INODE))
1038 param->ddp_max_ea_size = LDISKFS_XATTR_MAX_LARGE_EA_SIZE;
1041 param->ddp_max_ea_size = sb->s_blocksize;
1046 * Concurrency: shouldn't matter.
1048 static int osd_sync(const struct lu_env *env, struct dt_device *d)
1050 CDEBUG(D_HA, "syncing OSD %s\n", LUSTRE_OSD_LDISKFS_NAME);
1051 return ldiskfs_force_commit(osd_sb(osd_dt_dev(d)));
1055 * Start commit for OSD device.
1057 * An implementation of dt_commit_async method for OSD device.
1058 * Asychronously starts underlayng fs sync and thereby a transaction
1061 * \param env environment
1062 * \param d dt device
1064 * \see dt_device_operations
1066 static int osd_commit_async(const struct lu_env *env,
1067 struct dt_device *d)
1069 struct super_block *s = osd_sb(osd_dt_dev(d));
1072 CDEBUG(D_HA, "async commit OSD %s\n", LUSTRE_OSD_LDISKFS_NAME);
1073 RETURN(s->s_op->sync_fs(s, 0));
1077 * Concurrency: shouldn't matter.
1080 static int osd_ro(const struct lu_env *env, struct dt_device *d)
1082 struct super_block *sb = osd_sb(osd_dt_dev(d));
1086 CERROR("*** setting %s read-only ***\n", osd_dt_dev(d)->od_svname);
1088 rc = __lvfs_set_rdonly(sb->s_bdev, LDISKFS_SB(sb)->journal_bdev);
1093 * Concurrency: serialization provided by callers.
1095 static int osd_init_capa_ctxt(const struct lu_env *env, struct dt_device *d,
1096 int mode, unsigned long timeout, __u32 alg,
1097 struct lustre_capa_key *keys)
1099 struct osd_device *dev = osd_dt_dev(d);
1102 dev->od_fl_capa = mode;
1103 dev->od_capa_timeout = timeout;
1104 dev->od_capa_alg = alg;
1105 dev->od_capa_keys = keys;
1110 * Note: we do not count into QUOTA here.
1111 * If we mount with --data_journal we may need more.
1113 const int osd_dto_credits_noquota[DTO_NR] = {
1116 * INDEX_EXTRA_TRANS_BLOCKS(8) +
1117 * SINGLEDATA_TRANS_BLOCKS(8)
1118 * XXX Note: maybe iam need more, since iam have more level than
1121 [DTO_INDEX_INSERT] = 16,
1122 [DTO_INDEX_DELETE] = 16,
1126 [DTO_INDEX_UPDATE] = 16,
1128 * Create a object. The same as create object in EXT3.
1129 * DATA_TRANS_BLOCKS(14) +
1130 * INDEX_EXTRA_BLOCKS(8) +
1131 * 3(inode bits, groups, GDT)
1133 [DTO_OBJECT_CREATE] = 25,
1135 * XXX: real credits to be fixed
1137 [DTO_OBJECT_DELETE] = 25,
1139 * Attr set credits (inode)
1141 [DTO_ATTR_SET_BASE] = 1,
1143 * Xattr set. The same as xattr of EXT3.
1144 * DATA_TRANS_BLOCKS(14)
1145 * XXX Note: in original MDS implmentation INDEX_EXTRA_TRANS_BLOCKS
1146 * are also counted in. Do not know why?
1148 [DTO_XATTR_SET] = 14,
1151 * credits for inode change during write.
1153 [DTO_WRITE_BASE] = 3,
1155 * credits for single block write.
1157 [DTO_WRITE_BLOCK] = 14,
1159 * Attr set credits for chown.
1160 * This is extra credits for setattr, and it is null without quota
1162 [DTO_ATTR_SET_CHOWN]= 0
1165 static const struct dt_device_operations osd_dt_ops = {
1166 .dt_root_get = osd_root_get,
1167 .dt_statfs = osd_statfs,
1168 .dt_trans_create = osd_trans_create,
1169 .dt_trans_start = osd_trans_start,
1170 .dt_trans_stop = osd_trans_stop,
1171 .dt_trans_cb_add = osd_trans_cb_add,
1172 .dt_conf_get = osd_conf_get,
1173 .dt_sync = osd_sync,
1175 .dt_commit_async = osd_commit_async,
1176 .dt_init_capa_ctxt = osd_init_capa_ctxt,
1179 static void osd_object_read_lock(const struct lu_env *env,
1180 struct dt_object *dt, unsigned role)
1182 struct osd_object *obj = osd_dt_obj(dt);
1183 struct osd_thread_info *oti = osd_oti_get(env);
1185 LINVRNT(osd_invariant(obj));
1187 LASSERT(obj->oo_owner != env);
1188 down_read_nested(&obj->oo_sem, role);
1190 LASSERT(obj->oo_owner == NULL);
1194 static void osd_object_write_lock(const struct lu_env *env,
1195 struct dt_object *dt, unsigned role)
1197 struct osd_object *obj = osd_dt_obj(dt);
1198 struct osd_thread_info *oti = osd_oti_get(env);
1200 LINVRNT(osd_invariant(obj));
1202 LASSERT(obj->oo_owner != env);
1203 down_write_nested(&obj->oo_sem, role);
1205 LASSERT(obj->oo_owner == NULL);
1206 obj->oo_owner = env;
1210 static void osd_object_read_unlock(const struct lu_env *env,
1211 struct dt_object *dt)
1213 struct osd_object *obj = osd_dt_obj(dt);
1214 struct osd_thread_info *oti = osd_oti_get(env);
1216 LINVRNT(osd_invariant(obj));
1218 LASSERT(oti->oti_r_locks > 0);
1220 up_read(&obj->oo_sem);
1223 static void osd_object_write_unlock(const struct lu_env *env,
1224 struct dt_object *dt)
1226 struct osd_object *obj = osd_dt_obj(dt);
1227 struct osd_thread_info *oti = osd_oti_get(env);
1229 LINVRNT(osd_invariant(obj));
1231 LASSERT(obj->oo_owner == env);
1232 LASSERT(oti->oti_w_locks > 0);
1234 obj->oo_owner = NULL;
1235 up_write(&obj->oo_sem);
1238 static int osd_object_write_locked(const struct lu_env *env,
1239 struct dt_object *dt)
1241 struct osd_object *obj = osd_dt_obj(dt);
1243 LINVRNT(osd_invariant(obj));
1245 return obj->oo_owner == env;
1248 static int capa_is_sane(const struct lu_env *env,
1249 struct osd_device *dev,
1250 struct lustre_capa *capa,
1251 struct lustre_capa_key *keys)
1253 struct osd_thread_info *oti = osd_oti_get(env);
1254 struct lustre_capa *tcapa = &oti->oti_capa;
1255 struct obd_capa *oc;
1259 oc = capa_lookup(dev->od_capa_hash, capa, 0);
1261 if (capa_is_expired(oc)) {
1262 DEBUG_CAPA(D_ERROR, capa, "expired");
1269 if (capa_is_expired_sec(capa)) {
1270 DEBUG_CAPA(D_ERROR, capa, "expired");
1274 spin_lock(&capa_lock);
1275 for (i = 0; i < 2; i++) {
1276 if (keys[i].lk_keyid == capa->lc_keyid) {
1277 oti->oti_capa_key = keys[i];
1281 spin_unlock(&capa_lock);
1284 DEBUG_CAPA(D_ERROR, capa, "no matched capa key");
1288 rc = capa_hmac(tcapa->lc_hmac, capa, oti->oti_capa_key.lk_key);
1292 if (memcmp(tcapa->lc_hmac, capa->lc_hmac, sizeof(capa->lc_hmac))) {
1293 DEBUG_CAPA(D_ERROR, capa, "HMAC mismatch");
1297 oc = capa_add(dev->od_capa_hash, capa);
1303 int osd_object_auth(const struct lu_env *env, struct dt_object *dt,
1304 struct lustre_capa *capa, __u64 opc)
1306 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
1307 struct osd_device *dev = osd_dev(dt->do_lu.lo_dev);
1308 struct md_capainfo *ci;
1311 if (!dev->od_fl_capa)
1314 if (capa == BYPASS_CAPA)
1317 ci = md_capainfo(env);
1321 if (ci->mc_auth == LC_ID_NONE)
1325 CERROR("no capability is provided for fid "DFID"\n", PFID(fid));
1329 if (!lu_fid_eq(fid, &capa->lc_fid)) {
1330 DEBUG_CAPA(D_ERROR, capa, "fid "DFID" mismatch with",
1335 if (!capa_opc_supported(capa, opc)) {
1336 DEBUG_CAPA(D_ERROR, capa, "opc "LPX64" not supported by", opc);
1340 if ((rc = capa_is_sane(env, dev, capa, dev->od_capa_keys))) {
1341 DEBUG_CAPA(D_ERROR, capa, "insane (rc %d)", rc);
1348 static struct timespec *osd_inode_time(const struct lu_env *env,
1349 struct inode *inode, __u64 seconds)
1351 struct osd_thread_info *oti = osd_oti_get(env);
1352 struct timespec *t = &oti->oti_time;
1354 t->tv_sec = seconds;
1356 *t = timespec_trunc(*t, inode->i_sb->s_time_gran);
1361 static void osd_inode_getattr(const struct lu_env *env,
1362 struct inode *inode, struct lu_attr *attr)
1364 attr->la_valid |= LA_ATIME | LA_MTIME | LA_CTIME | LA_MODE |
1365 LA_SIZE | LA_BLOCKS | LA_UID | LA_GID |
1366 LA_FLAGS | LA_NLINK | LA_RDEV | LA_BLKSIZE |
1369 attr->la_atime = LTIME_S(inode->i_atime);
1370 attr->la_mtime = LTIME_S(inode->i_mtime);
1371 attr->la_ctime = LTIME_S(inode->i_ctime);
1372 attr->la_mode = inode->i_mode;
1373 attr->la_size = i_size_read(inode);
1374 attr->la_blocks = inode->i_blocks;
1375 attr->la_uid = inode->i_uid;
1376 attr->la_gid = inode->i_gid;
1377 attr->la_flags = LDISKFS_I(inode)->i_flags;
1378 attr->la_nlink = inode->i_nlink;
1379 attr->la_rdev = inode->i_rdev;
1380 attr->la_blksize = 1 << inode->i_blkbits;
1381 attr->la_blkbits = inode->i_blkbits;
1384 static int osd_attr_get(const struct lu_env *env,
1385 struct dt_object *dt,
1386 struct lu_attr *attr,
1387 struct lustre_capa *capa)
1389 struct osd_object *obj = osd_dt_obj(dt);
1391 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
1392 LINVRNT(osd_invariant(obj));
1394 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_READ))
1397 spin_lock(&obj->oo_guard);
1398 osd_inode_getattr(env, obj->oo_inode, attr);
1399 spin_unlock(&obj->oo_guard);
1403 static int osd_declare_attr_set(const struct lu_env *env,
1404 struct dt_object *dt,
1405 const struct lu_attr *attr,
1406 struct thandle *handle)
1408 struct osd_thandle *oh;
1409 struct osd_object *obj;
1410 struct osd_thread_info *info = osd_oti_get(env);
1411 struct lquota_id_info *qi = &info->oti_qi;
1417 LASSERT(dt != NULL);
1418 LASSERT(handle != NULL);
1420 obj = osd_dt_obj(dt);
1421 LASSERT(osd_invariant(obj));
1423 oh = container_of0(handle, struct osd_thandle, ot_super);
1424 LASSERT(oh->ot_handle == NULL);
1426 osd_trans_declare_op(env, oh, OSD_OT_ATTR_SET,
1427 osd_dto_credits_noquota[DTO_ATTR_SET_BASE]);
1429 if (attr == NULL || obj->oo_inode == NULL)
1432 bspace = obj->oo_inode->i_blocks;
1433 bspace <<= obj->oo_inode->i_sb->s_blocksize_bits;
1434 bspace = toqb(bspace);
1436 /* Changing ownership is always preformed by super user, it should not
1439 * We still need to call the osd_declare_qid() to calculate the journal
1440 * credits for updating quota accounting files and to trigger quota
1441 * space adjustment once the operation is completed.*/
1442 if ((attr->la_valid & LA_UID) != 0 &&
1443 attr->la_uid != obj->oo_inode->i_uid) {
1444 qi->lqi_type = USRQUOTA;
1446 /* inode accounting */
1447 qi->lqi_is_blk = false;
1449 /* one more inode for the new owner ... */
1450 qi->lqi_id.qid_uid = attr->la_uid;
1452 allocated = (attr->la_uid == 0) ? true : false;
1453 rc = osd_declare_qid(env, oh, qi, allocated, NULL);
1454 if (rc == -EDQUOT || rc == -EINPROGRESS)
1459 /* and one less inode for the current uid */
1460 qi->lqi_id.qid_uid = obj->oo_inode->i_uid;
1462 rc = osd_declare_qid(env, oh, qi, true, NULL);
1463 if (rc == -EDQUOT || rc == -EINPROGRESS)
1468 /* block accounting */
1469 qi->lqi_is_blk = true;
1471 /* more blocks for the new owner ... */
1472 qi->lqi_id.qid_uid = attr->la_uid;
1473 qi->lqi_space = bspace;
1474 allocated = (attr->la_uid == 0) ? true : false;
1475 rc = osd_declare_qid(env, oh, qi, allocated, NULL);
1476 if (rc == -EDQUOT || rc == -EINPROGRESS)
1481 /* and finally less blocks for the current owner */
1482 qi->lqi_id.qid_uid = obj->oo_inode->i_uid;
1483 qi->lqi_space = -bspace;
1484 rc = osd_declare_qid(env, oh, qi, true, NULL);
1485 if (rc == -EDQUOT || rc == -EINPROGRESS)
1491 if (attr->la_valid & LA_GID &&
1492 attr->la_gid != obj->oo_inode->i_gid) {
1493 qi->lqi_type = GRPQUOTA;
1495 /* inode accounting */
1496 qi->lqi_is_blk = false;
1498 /* one more inode for the new group owner ... */
1499 qi->lqi_id.qid_gid = attr->la_gid;
1501 allocated = (attr->la_gid == 0) ? true : false;
1502 rc = osd_declare_qid(env, oh, qi, allocated, NULL);
1503 if (rc == -EDQUOT || rc == -EINPROGRESS)
1508 /* and one less inode for the current gid */
1509 qi->lqi_id.qid_gid = obj->oo_inode->i_gid;
1511 rc = osd_declare_qid(env, oh, qi, true, NULL);
1512 if (rc == -EDQUOT || rc == -EINPROGRESS)
1517 /* block accounting */
1518 qi->lqi_is_blk = true;
1520 /* more blocks for the new owner ... */
1521 qi->lqi_id.qid_gid = attr->la_gid;
1522 qi->lqi_space = bspace;
1523 allocated = (attr->la_gid == 0) ? true : false;
1524 rc = osd_declare_qid(env, oh, qi, allocated, NULL);
1525 if (rc == -EDQUOT || rc == -EINPROGRESS)
1530 /* and finally less blocks for the current owner */
1531 qi->lqi_id.qid_gid = obj->oo_inode->i_gid;
1532 qi->lqi_space = -bspace;
1533 rc = osd_declare_qid(env, oh, qi, true, NULL);
1534 if (rc == -EDQUOT || rc == -EINPROGRESS)
1543 static int osd_inode_setattr(const struct lu_env *env,
1544 struct inode *inode, const struct lu_attr *attr)
1548 bits = attr->la_valid;
1550 if (bits & LA_ATIME)
1551 inode->i_atime = *osd_inode_time(env, inode, attr->la_atime);
1552 if (bits & LA_CTIME)
1553 inode->i_ctime = *osd_inode_time(env, inode, attr->la_ctime);
1554 if (bits & LA_MTIME)
1555 inode->i_mtime = *osd_inode_time(env, inode, attr->la_mtime);
1556 if (bits & LA_SIZE) {
1557 LDISKFS_I(inode)->i_disksize = attr->la_size;
1558 i_size_write(inode, attr->la_size);
1562 /* OSD should not change "i_blocks" which is used by quota.
1563 * "i_blocks" should be changed by ldiskfs only. */
1564 if (bits & LA_BLOCKS)
1565 inode->i_blocks = attr->la_blocks;
1568 inode->i_mode = (inode->i_mode & S_IFMT) |
1569 (attr->la_mode & ~S_IFMT);
1571 inode->i_uid = attr->la_uid;
1573 inode->i_gid = attr->la_gid;
1574 if (bits & LA_NLINK)
1575 set_nlink(inode, attr->la_nlink);
1577 inode->i_rdev = attr->la_rdev;
1579 if (bits & LA_FLAGS) {
1580 /* always keep S_NOCMTIME */
1581 inode->i_flags = ll_ext_to_inode_flags(attr->la_flags) |
1587 static int osd_quota_transfer(struct inode *inode, const struct lu_attr *attr)
1589 if ((attr->la_valid & LA_UID && attr->la_uid != inode->i_uid) ||
1590 (attr->la_valid & LA_GID && attr->la_gid != inode->i_gid)) {
1595 if (attr->la_valid & LA_UID)
1596 iattr.ia_valid |= ATTR_UID;
1597 if (attr->la_valid & LA_GID)
1598 iattr.ia_valid |= ATTR_GID;
1599 iattr.ia_uid = attr->la_uid;
1600 iattr.ia_gid = attr->la_gid;
1602 rc = ll_vfs_dq_transfer(inode, &iattr);
1604 CERROR("%s: quota transfer failed: rc = %d. Is quota "
1605 "enforcement enabled on the ldiskfs filesystem?",
1606 inode->i_sb->s_id, rc);
1613 static int osd_attr_set(const struct lu_env *env,
1614 struct dt_object *dt,
1615 const struct lu_attr *attr,
1616 struct thandle *handle,
1617 struct lustre_capa *capa)
1619 struct osd_object *obj = osd_dt_obj(dt);
1620 struct inode *inode;
1623 LASSERT(handle != NULL);
1624 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
1625 LASSERT(osd_invariant(obj));
1627 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_WRITE))
1630 osd_trans_exec_op(env, handle, OSD_OT_ATTR_SET);
1632 if (OBD_FAIL_CHECK(OBD_FAIL_OSD_FID_MAPPING)) {
1633 struct osd_thread_info *oti = osd_oti_get(env);
1634 const struct lu_fid *fid0 = lu_object_fid(&dt->do_lu);
1635 struct lu_fid *fid1 = &oti->oti_fid;
1636 struct osd_inode_id *id = &oti->oti_id;
1637 struct iam_path_descr *ipd;
1638 struct iam_container *bag;
1639 struct osd_thandle *oh;
1642 fid_cpu_to_be(fid1, fid0);
1643 memset(id, 1, sizeof(*id));
1644 bag = &osd_fid2oi(osd_dev(dt->do_lu.lo_dev),
1645 fid0)->oi_dir.od_container;
1646 ipd = osd_idx_ipd_get(env, bag);
1647 if (unlikely(ipd == NULL))
1650 oh = container_of0(handle, struct osd_thandle, ot_super);
1651 rc = iam_update(oh->ot_handle, bag, (const struct iam_key *)fid1,
1652 (const struct iam_rec *)id, ipd);
1653 osd_ipd_put(env, bag, ipd);
1654 return(rc > 0 ? 0 : rc);
1657 inode = obj->oo_inode;
1658 ll_vfs_dq_init(inode);
1660 rc = osd_quota_transfer(inode, attr);
1664 spin_lock(&obj->oo_guard);
1665 rc = osd_inode_setattr(env, inode, attr);
1666 spin_unlock(&obj->oo_guard);
1669 inode->i_sb->s_op->dirty_inode(inode);
1673 struct dentry *osd_child_dentry_get(const struct lu_env *env,
1674 struct osd_object *obj,
1675 const char *name, const int namelen)
1677 return osd_child_dentry_by_inode(env, obj->oo_inode, name, namelen);
1680 static int osd_mkfile(struct osd_thread_info *info, struct osd_object *obj,
1682 struct dt_allocation_hint *hint,
1686 struct osd_device *osd = osd_obj2dev(obj);
1687 struct osd_thandle *oth;
1688 struct dt_object *parent = NULL;
1689 struct inode *inode;
1691 LINVRNT(osd_invariant(obj));
1692 LASSERT(obj->oo_inode == NULL);
1693 LASSERT(obj->oo_hl_head == NULL);
1695 if (S_ISDIR(mode) && ldiskfs_pdo) {
1696 obj->oo_hl_head =ldiskfs_htree_lock_head_alloc(HTREE_HBITS_DEF);
1697 if (obj->oo_hl_head == NULL)
1701 oth = container_of(th, struct osd_thandle, ot_super);
1702 LASSERT(oth->ot_handle->h_transaction != NULL);
1704 if (hint && hint->dah_parent)
1705 parent = hint->dah_parent;
1707 inode = ldiskfs_create_inode(oth->ot_handle,
1708 parent ? osd_dt_obj(parent)->oo_inode :
1709 osd_sb(osd)->s_root->d_inode,
1711 if (!IS_ERR(inode)) {
1712 /* Do not update file c/mtime in ldiskfs.
1713 * NB: don't need any lock because no contention at this
1715 inode->i_flags |= S_NOCMTIME;
1717 /* For new created object, it must be consistent,
1718 * and it is unnecessary to scrub against it. */
1719 ldiskfs_set_inode_state(inode, LDISKFS_STATE_LUSTRE_NOSCRUB);
1720 obj->oo_inode = inode;
1723 if (obj->oo_hl_head != NULL) {
1724 ldiskfs_htree_lock_head_free(obj->oo_hl_head);
1725 obj->oo_hl_head = NULL;
1727 result = PTR_ERR(inode);
1729 LINVRNT(osd_invariant(obj));
1737 static int osd_mkdir(struct osd_thread_info *info, struct osd_object *obj,
1738 struct lu_attr *attr,
1739 struct dt_allocation_hint *hint,
1740 struct dt_object_format *dof,
1744 struct osd_thandle *oth;
1745 __u32 mode = (attr->la_mode & (S_IFMT | S_IRWXUGO | S_ISVTX));
1747 LASSERT(S_ISDIR(attr->la_mode));
1749 oth = container_of(th, struct osd_thandle, ot_super);
1750 LASSERT(oth->ot_handle->h_transaction != NULL);
1751 result = osd_mkfile(info, obj, mode, hint, th);
1756 static int osd_mk_index(struct osd_thread_info *info, struct osd_object *obj,
1757 struct lu_attr *attr,
1758 struct dt_allocation_hint *hint,
1759 struct dt_object_format *dof,
1763 struct osd_thandle *oth;
1764 const struct dt_index_features *feat = dof->u.dof_idx.di_feat;
1766 __u32 mode = (attr->la_mode & (S_IFMT | S_IALLUGO | S_ISVTX));
1768 LASSERT(S_ISREG(attr->la_mode));
1770 oth = container_of(th, struct osd_thandle, ot_super);
1771 LASSERT(oth->ot_handle->h_transaction != NULL);
1773 result = osd_mkfile(info, obj, mode, hint, th);
1775 LASSERT(obj->oo_inode != NULL);
1776 if (feat->dif_flags & DT_IND_VARKEY)
1777 result = iam_lvar_create(obj->oo_inode,
1778 feat->dif_keysize_max,
1780 feat->dif_recsize_max,
1783 result = iam_lfix_create(obj->oo_inode,
1784 feat->dif_keysize_max,
1786 feat->dif_recsize_max,
1793 static int osd_mkreg(struct osd_thread_info *info, struct osd_object *obj,
1794 struct lu_attr *attr,
1795 struct dt_allocation_hint *hint,
1796 struct dt_object_format *dof,
1799 LASSERT(S_ISREG(attr->la_mode));
1800 return osd_mkfile(info, obj, (attr->la_mode &
1801 (S_IFMT | S_IALLUGO | S_ISVTX)), hint, th);
1804 static int osd_mksym(struct osd_thread_info *info, struct osd_object *obj,
1805 struct lu_attr *attr,
1806 struct dt_allocation_hint *hint,
1807 struct dt_object_format *dof,
1810 LASSERT(S_ISLNK(attr->la_mode));
1811 return osd_mkfile(info, obj, (attr->la_mode &
1812 (S_IFMT | S_IALLUGO | S_ISVTX)), hint, th);
1815 static int osd_mknod(struct osd_thread_info *info, struct osd_object *obj,
1816 struct lu_attr *attr,
1817 struct dt_allocation_hint *hint,
1818 struct dt_object_format *dof,
1821 cfs_umode_t mode = attr->la_mode & (S_IFMT | S_IALLUGO | S_ISVTX);
1824 LINVRNT(osd_invariant(obj));
1825 LASSERT(obj->oo_inode == NULL);
1826 LASSERT(S_ISCHR(mode) || S_ISBLK(mode) ||
1827 S_ISFIFO(mode) || S_ISSOCK(mode));
1829 result = osd_mkfile(info, obj, mode, hint, th);
1831 LASSERT(obj->oo_inode != NULL);
1833 * This inode should be marked dirty for i_rdev. Currently
1834 * that is done in the osd_attr_init().
1836 init_special_inode(obj->oo_inode, obj->oo_inode->i_mode,
1839 LINVRNT(osd_invariant(obj));
1843 typedef int (*osd_obj_type_f)(struct osd_thread_info *, struct osd_object *,
1845 struct dt_allocation_hint *hint,
1846 struct dt_object_format *dof,
1849 static osd_obj_type_f osd_create_type_f(enum dt_format_type type)
1851 osd_obj_type_f result;
1867 result = osd_mk_index;
1878 static void osd_ah_init(const struct lu_env *env, struct dt_allocation_hint *ah,
1879 struct dt_object *parent, struct dt_object *child,
1880 cfs_umode_t child_mode)
1884 memset(ah, 0, sizeof(*ah));
1885 ah->dah_parent = parent;
1886 ah->dah_mode = child_mode;
1889 static void osd_attr_init(struct osd_thread_info *info, struct osd_object *obj,
1890 struct lu_attr *attr, struct dt_object_format *dof)
1892 struct inode *inode = obj->oo_inode;
1893 __u64 valid = attr->la_valid;
1896 attr->la_valid &= ~(LA_TYPE | LA_MODE);
1898 if (dof->dof_type != DFT_NODE)
1899 attr->la_valid &= ~LA_RDEV;
1900 if ((valid & LA_ATIME) && (attr->la_atime == LTIME_S(inode->i_atime)))
1901 attr->la_valid &= ~LA_ATIME;
1902 if ((valid & LA_CTIME) && (attr->la_ctime == LTIME_S(inode->i_ctime)))
1903 attr->la_valid &= ~LA_CTIME;
1904 if ((valid & LA_MTIME) && (attr->la_mtime == LTIME_S(inode->i_mtime)))
1905 attr->la_valid &= ~LA_MTIME;
1907 result = osd_quota_transfer(inode, attr);
1911 if (attr->la_valid != 0) {
1912 result = osd_inode_setattr(info->oti_env, inode, attr);
1914 * The osd_inode_setattr() should always succeed here. The
1915 * only error that could be returned is EDQUOT when we are
1916 * trying to change the UID or GID of the inode. However, this
1917 * should not happen since quota enforcement is no longer
1918 * enabled on ldiskfs (lquota takes care of it).
1920 LASSERTF(result == 0, "%d", result);
1921 inode->i_sb->s_op->dirty_inode(inode);
1924 attr->la_valid = valid;
1928 * Helper function for osd_object_create()
1930 * \retval 0, on success
1932 static int __osd_object_create(struct osd_thread_info *info,
1933 struct osd_object *obj, struct lu_attr *attr,
1934 struct dt_allocation_hint *hint,
1935 struct dt_object_format *dof,
1940 result = osd_create_type_f(dof->dof_type)(info, obj, attr, hint, dof,
1943 osd_attr_init(info, obj, attr, dof);
1944 osd_object_init0(obj);
1946 if (obj->oo_inode && (obj->oo_inode->i_state & I_NEW))
1947 unlock_new_inode(obj->oo_inode);
1954 * Helper function for osd_object_create()
1956 * \retval 0, on success
1958 static int __osd_oi_insert(const struct lu_env *env, struct osd_object *obj,
1959 const struct lu_fid *fid, struct thandle *th)
1961 struct osd_thread_info *info = osd_oti_get(env);
1962 struct osd_inode_id *id = &info->oti_id;
1963 struct osd_device *osd = osd_obj2dev(obj);
1965 LASSERT(obj->oo_inode != NULL);
1967 osd_id_gen(id, obj->oo_inode->i_ino, obj->oo_inode->i_generation);
1968 return osd_oi_insert(info, osd, fid, id, th);
1971 int osd_fld_lookup(const struct lu_env *env, struct osd_device *osd,
1972 const struct lu_fid *fid, struct lu_seq_range *range)
1974 struct seq_server_site *ss = osd_seq_site(osd);
1977 if (fid_is_idif(fid)) {
1978 range->lsr_flags = LU_SEQ_RANGE_OST;
1979 range->lsr_index = fid_idif_ost_idx(fid);
1983 if (!fid_seq_in_fldb(fid_seq(fid))) {
1984 range->lsr_flags = LU_SEQ_RANGE_MDT;
1986 /* FIXME: If ss is NULL, it suppose not get lsr_index
1988 range->lsr_index = ss->ss_node_id;
1992 LASSERT(ss != NULL);
1993 range->lsr_flags = -1;
1994 rc = fld_server_lookup(env, ss->ss_server_fld, fid_seq(fid), range);
1996 CERROR("%s can not find "DFID": rc = %d\n",
1997 osd_name(osd), PFID(fid), rc);
2003 * Concurrency: no external locking is necessary.
2005 static int osd_declare_object_create(const struct lu_env *env,
2006 struct dt_object *dt,
2007 struct lu_attr *attr,
2008 struct dt_allocation_hint *hint,
2009 struct dt_object_format *dof,
2010 struct thandle *handle)
2012 struct lu_seq_range *range = &osd_oti_get(env)->oti_seq_range;
2013 struct osd_thandle *oh;
2017 LASSERT(handle != NULL);
2019 oh = container_of0(handle, struct osd_thandle, ot_super);
2020 LASSERT(oh->ot_handle == NULL);
2022 osd_trans_declare_op(env, oh, OSD_OT_CREATE,
2023 osd_dto_credits_noquota[DTO_OBJECT_CREATE]);
2024 if (!fid_is_on_ost(osd_oti_get(env), osd_dt_dev(handle->th_dev),
2025 lu_object_fid(&dt->do_lu)))
2026 /* Reuse idle OI block may cause additional one OI block
2028 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
2029 osd_dto_credits_noquota[DTO_INDEX_INSERT] + 1);
2031 /* If this is directory, then we expect . and .. to be inserted as
2032 * well. The one directory block always needs to be created for the
2033 * directory, so we could use DTO_WRITE_BASE here (GDT, block bitmap,
2034 * block), there is no danger of needing a tree for the first block.
2036 if (attr && S_ISDIR(attr->la_mode)) {
2037 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
2038 osd_dto_credits_noquota[DTO_WRITE_BASE]);
2039 osd_trans_declare_op(env, oh, OSD_OT_INSERT, 0);
2045 rc = osd_declare_inode_qid(env, attr->la_uid, attr->la_gid, 1, oh,
2046 false, false, NULL, false);
2050 /* It does fld look up inside declare, and the result will be
2051 * added to fld cache, so the following fld lookup inside insert
2052 * does not need send RPC anymore, so avoid send rpc with holding
2054 if (fid_is_norm(lu_object_fid(&dt->do_lu)) &&
2055 !fid_is_last_id(lu_object_fid(&dt->do_lu)))
2056 osd_fld_lookup(env, osd_dt_dev(handle->th_dev),
2057 lu_object_fid(&dt->do_lu), range);
2063 static int osd_object_create(const struct lu_env *env, struct dt_object *dt,
2064 struct lu_attr *attr,
2065 struct dt_allocation_hint *hint,
2066 struct dt_object_format *dof,
2069 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
2070 struct osd_object *obj = osd_dt_obj(dt);
2071 struct osd_thread_info *info = osd_oti_get(env);
2076 LINVRNT(osd_invariant(obj));
2077 LASSERT(!dt_object_exists(dt) && !dt_object_remote(dt));
2078 LASSERT(osd_write_locked(env, obj));
2079 LASSERT(th != NULL);
2081 if (unlikely(fid_is_acct(fid)))
2082 /* Quota files can't be created from the kernel any more,
2083 * 'tune2fs -O quota' will take care of creating them */
2086 osd_trans_exec_op(env, th, OSD_OT_CREATE);
2087 osd_trans_declare_rb(env, th, OSD_OT_REF_ADD);
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,
2094 dt_object_exists(dt) && !dt_object_remote(dt)));
2096 LASSERT(osd_invariant(obj));
2101 * Called to destroy on-disk representation of the object
2103 * Concurrency: must be locked
2105 static int osd_declare_object_destroy(const struct lu_env *env,
2106 struct dt_object *dt,
2109 struct osd_object *obj = osd_dt_obj(dt);
2110 struct inode *inode = obj->oo_inode;
2111 struct osd_thandle *oh;
2115 oh = container_of0(th, struct osd_thandle, ot_super);
2116 LASSERT(oh->ot_handle == NULL);
2119 osd_trans_declare_op(env, oh, OSD_OT_DELETE,
2120 osd_dto_credits_noquota[DTO_OBJECT_DELETE]);
2121 /* Recycle idle OI leaf may cause additional three OI blocks
2123 osd_trans_declare_op(env, oh, OSD_OT_DESTROY,
2124 osd_dto_credits_noquota[DTO_INDEX_DELETE] + 3);
2126 /* one less inode */
2127 rc = osd_declare_inode_qid(env, inode->i_uid, inode->i_gid, -1, oh,
2128 false, true, NULL, false);
2131 /* data to be truncated */
2132 rc = osd_declare_inode_qid(env, inode->i_uid, inode->i_gid, 0, oh,
2133 true, true, NULL, false);
2137 static int osd_object_destroy(const struct lu_env *env,
2138 struct dt_object *dt,
2141 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
2142 struct osd_object *obj = osd_dt_obj(dt);
2143 struct inode *inode = obj->oo_inode;
2144 struct osd_device *osd = osd_obj2dev(obj);
2145 struct osd_thandle *oh;
2149 oh = container_of0(th, struct osd_thandle, ot_super);
2150 LASSERT(oh->ot_handle);
2152 LASSERT(!lu_object_is_dying(dt->do_lu.lo_header));
2154 if (unlikely(fid_is_acct(fid)))
2157 /* Parallel control for OI scrub. For most of cases, there is no
2158 * lock contention. So it will not affect unlink performance. */
2159 mutex_lock(&inode->i_mutex);
2160 if (S_ISDIR(inode->i_mode)) {
2161 LASSERT(osd_inode_unlinked(inode) || inode->i_nlink == 1);
2162 /* it will check/delete the agent inode for every dir
2163 * destory, how to optimize it? unlink performance
2165 result = osd_delete_from_agent(env, osd, obj, oh);
2166 if (result != 0 && result != -ENOENT) {
2167 CERROR("%s: delete agent inode "DFID": rc = %d\n",
2168 osd_name(osd), PFID(fid), result);
2170 spin_lock(&obj->oo_guard);
2172 spin_unlock(&obj->oo_guard);
2173 inode->i_sb->s_op->dirty_inode(inode);
2176 osd_trans_exec_op(env, th, OSD_OT_DESTROY);
2178 result = osd_oi_delete(osd_oti_get(env), osd, fid, th);
2179 mutex_unlock(&inode->i_mutex);
2181 /* XXX: add to ext3 orphan list */
2182 /* rc = ext3_orphan_add(handle_t *handle, struct inode *inode) */
2184 /* not needed in the cache anymore */
2185 set_bit(LU_OBJECT_HEARD_BANSHEE, &dt->do_lu.lo_header->loh_flags);
2190 static inline int __osd_xattr_set(struct osd_thread_info *info,
2191 struct inode *inode, const char *name,
2192 const void *buf, int buflen, int fl)
2194 struct dentry *dentry = &info->oti_child_dentry;
2196 ll_vfs_dq_init(inode);
2197 dentry->d_inode = inode;
2198 return inode->i_op->setxattr(dentry, name, buf, buflen, fl);
2202 * Put the fid into lustre_mdt_attrs, and then place the structure
2203 * inode's ea. This fid should not be altered during the life time
2206 * \retval +ve, on success
2207 * \retval -ve, on error
2209 * FIXME: It is good to have/use ldiskfs_xattr_set_handle() here
2211 int osd_ea_fid_set(struct osd_thread_info *info, struct inode *inode,
2212 const struct lu_fid *fid)
2214 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
2217 if (OBD_FAIL_CHECK(OBD_FAIL_FID_INLMA))
2220 if (OBD_FAIL_CHECK(OBD_FAIL_FID_IGIF) && fid_is_client_visible(fid))
2223 lustre_lma_init(lma, fid);
2224 lustre_lma_swab(lma);
2226 rc = __osd_xattr_set(info, inode, XATTR_NAME_LMA, lma, sizeof(*lma),
2228 /* Someone may created the EA by race. */
2229 if (unlikely(rc == -EEXIST))
2235 * ldiskfs supports fid in dirent, it is passed in dentry->d_fsdata.
2236 * lustre 1.8 also uses d_fsdata for passing other info to ldiskfs.
2237 * To have compatilibility with 1.8 ldiskfs driver we need to have
2238 * magic number at start of fid data.
2239 * \ldiskfs_dentry_param is used only to pass fid from osd to ldiskfs.
2242 void osd_get_ldiskfs_dirent_param(struct ldiskfs_dentry_param *param,
2243 const struct dt_rec *fid)
2245 if (!fid_is_client_mdt_visible((const struct lu_fid *)fid)) {
2246 param->edp_magic = 0;
2250 param->edp_magic = LDISKFS_LUFID_MAGIC;
2251 param->edp_len = sizeof(struct lu_fid) + 1;
2252 fid_cpu_to_be((struct lu_fid *)param->edp_data, (struct lu_fid *)fid);
2256 * Try to read the fid from inode ea into dt_rec.
2258 * \param fid object fid.
2260 * \retval 0 on success
2262 static int osd_ea_fid_get(const struct lu_env *env, struct osd_object *obj,
2263 __u32 ino, struct lu_fid *fid,
2264 struct osd_inode_id *id)
2266 struct osd_thread_info *info = osd_oti_get(env);
2267 struct inode *inode;
2270 osd_id_gen(id, ino, OSD_OII_NOGEN);
2271 inode = osd_iget_fid(info, osd_obj2dev(obj), id, fid);
2273 RETURN(PTR_ERR(inode));
2279 static int osd_add_dot_dotdot_internal(struct osd_thread_info *info,
2281 struct inode *parent_dir,
2282 const struct dt_rec *dot_fid,
2283 const struct dt_rec *dot_dot_fid,
2284 struct osd_thandle *oth)
2286 struct ldiskfs_dentry_param *dot_ldp;
2287 struct ldiskfs_dentry_param *dot_dot_ldp;
2289 dot_dot_ldp = (struct ldiskfs_dentry_param *)info->oti_ldp2;
2290 osd_get_ldiskfs_dirent_param(dot_dot_ldp, dot_dot_fid);
2292 dot_ldp = (struct ldiskfs_dentry_param *)info->oti_ldp;
2293 dot_ldp->edp_magic = 0;
2294 return ldiskfs_add_dot_dotdot(oth->ot_handle, parent_dir,
2295 dir, dot_ldp, dot_dot_ldp);
2299 * Create an local inode for remote entry
2301 static struct inode *osd_create_remote_inode(const struct lu_env *env,
2302 struct osd_device *osd,
2303 struct osd_object *pobj,
2304 const struct lu_fid *fid,
2307 struct osd_thread_info *info = osd_oti_get(env);
2308 struct inode *local;
2309 struct osd_thandle *oh;
2314 oh = container_of(th, struct osd_thandle, ot_super);
2315 LASSERT(oh->ot_handle->h_transaction != NULL);
2317 /* FIXME: Insert index api needs to know the mode of
2318 * the remote object. Just use S_IFDIR for now */
2319 local = ldiskfs_create_inode(oh->ot_handle, pobj->oo_inode, S_IFDIR);
2320 if (IS_ERR(local)) {
2321 CERROR("%s: create local error %d\n", osd_name(osd),
2322 (int)PTR_ERR(local));
2326 rc = osd_add_dot_dotdot_internal(info, local, pobj->oo_inode,
2327 (const struct dt_rec *)lu_object_fid(&pobj->oo_dt.do_lu),
2328 (const struct dt_rec *)fid, oh);
2330 CERROR("%s: "DFID" add dot dotdot error: rc = %d\n",
2331 osd_name(osd), PFID(fid), rc);
2332 RETURN(ERR_PTR(rc));
2339 * Delete local inode for remote entry
2341 static int osd_delete_remote_inode(const struct lu_env *env,
2342 struct osd_device *osd,
2343 const struct lu_fid *fid,
2344 __u32 ino, struct osd_thandle *oh)
2346 struct osd_thread_info *oti = osd_oti_get(env);
2347 struct osd_inode_id *id = &oti->oti_id;
2348 struct inode *inode;
2351 id->oii_ino = le32_to_cpu(ino);
2352 id->oii_gen = OSD_OII_NOGEN;
2353 inode = osd_iget(oti, osd, id);
2354 if (IS_ERR(inode)) {
2355 CERROR("%s: iget error "DFID" id %u:%u\n", osd_name(osd),
2356 PFID(fid), id->oii_ino, id->oii_gen);
2357 RETURN(PTR_ERR(inode));
2361 mark_inode_dirty(inode);
2362 CDEBUG(D_INODE, "%s: delete remote inode "DFID" %lu\n",
2363 osd_name(osd), PFID(fid), inode->i_ino);
2369 * OSD layer object create function for interoperability mode (b11826).
2370 * This is mostly similar to osd_object_create(). Only difference being, fid is
2371 * inserted into inode ea here.
2373 * \retval 0, on success
2374 * \retval -ve, on error
2376 static int osd_object_ea_create(const struct lu_env *env, struct dt_object *dt,
2377 struct lu_attr *attr,
2378 struct dt_allocation_hint *hint,
2379 struct dt_object_format *dof,
2382 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
2383 struct osd_object *obj = osd_dt_obj(dt);
2384 struct osd_thread_info *info = osd_oti_get(env);
2389 LASSERT(osd_invariant(obj));
2390 LASSERT(!dt_object_exists(dt) && !dt_object_remote(dt));
2391 LASSERT(osd_write_locked(env, obj));
2392 LASSERT(th != NULL);
2394 if (unlikely(fid_is_acct(fid)))
2395 /* Quota files can't be created from the kernel any more,
2396 * 'tune2fs -O quota' will take care of creating them */
2399 osd_trans_exec_op(env, th, OSD_OT_CREATE);
2400 osd_trans_declare_rb(env, th, OSD_OT_REF_ADD);
2402 result = __osd_object_create(info, obj, attr, hint, dof, th);
2403 if ((result == 0) &&
2404 (fid_is_last_id(fid) ||
2405 !fid_is_on_ost(info, osd_dt_dev(th->th_dev), fid)))
2406 result = osd_ea_fid_set(info, obj->oo_inode, fid);
2409 result = __osd_oi_insert(env, obj, fid, th);
2411 LASSERT(ergo(result == 0,
2412 dt_object_exists(dt) && !dt_object_remote(dt)));
2413 LINVRNT(osd_invariant(obj));
2417 static int osd_declare_object_ref_add(const struct lu_env *env,
2418 struct dt_object *dt,
2419 struct thandle *handle)
2421 struct osd_thandle *oh;
2423 /* it's possible that object doesn't exist yet */
2424 LASSERT(handle != NULL);
2426 oh = container_of0(handle, struct osd_thandle, ot_super);
2427 LASSERT(oh->ot_handle == NULL);
2429 osd_trans_declare_op(env, oh, OSD_OT_REF_ADD,
2430 osd_dto_credits_noquota[DTO_ATTR_SET_BASE]);
2436 * Concurrency: @dt is write locked.
2438 static int osd_object_ref_add(const struct lu_env *env,
2439 struct dt_object *dt, struct thandle *th)
2441 struct osd_object *obj = osd_dt_obj(dt);
2442 struct inode *inode = obj->oo_inode;
2444 LINVRNT(osd_invariant(obj));
2445 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2446 LASSERT(osd_write_locked(env, obj));
2447 LASSERT(th != NULL);
2449 osd_trans_exec_op(env, th, OSD_OT_REF_ADD);
2452 * DIR_NLINK feature is set for compatibility reasons if:
2453 * 1) nlinks > LDISKFS_LINK_MAX, or
2454 * 2) nlinks == 2, since this indicates i_nlink was previously 1.
2456 * It is easier to always set this flag (rather than check and set),
2457 * since it has less overhead, and the superblock will be dirtied
2458 * at some point. Both e2fsprogs and any Lustre-supported ldiskfs
2459 * do not actually care whether this flag is set or not.
2461 spin_lock(&obj->oo_guard);
2462 /* inc_nlink from 0 may cause WARN_ON */
2463 if(inode->i_nlink == 0)
2464 set_nlink(inode, 1);
2467 if (S_ISDIR(inode->i_mode) && inode->i_nlink > 1) {
2468 if (inode->i_nlink >= LDISKFS_LINK_MAX ||
2469 inode->i_nlink == 2)
2470 set_nlink(inode, 1);
2472 LASSERT(inode->i_nlink <= LDISKFS_LINK_MAX);
2473 spin_unlock(&obj->oo_guard);
2474 inode->i_sb->s_op->dirty_inode(inode);
2475 LINVRNT(osd_invariant(obj));
2480 static int osd_declare_object_ref_del(const struct lu_env *env,
2481 struct dt_object *dt,
2482 struct thandle *handle)
2484 struct osd_thandle *oh;
2486 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2487 LASSERT(handle != NULL);
2489 oh = container_of0(handle, struct osd_thandle, ot_super);
2490 LASSERT(oh->ot_handle == NULL);
2492 osd_trans_declare_op(env, oh, OSD_OT_REF_DEL,
2493 osd_dto_credits_noquota[DTO_ATTR_SET_BASE]);
2499 * Concurrency: @dt is write locked.
2501 static int osd_object_ref_del(const struct lu_env *env, struct dt_object *dt,
2504 struct osd_object *obj = osd_dt_obj(dt);
2505 struct inode *inode = obj->oo_inode;
2507 LINVRNT(osd_invariant(obj));
2508 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2509 LASSERT(osd_write_locked(env, obj));
2510 LASSERT(th != NULL);
2512 osd_trans_exec_op(env, th, OSD_OT_REF_DEL);
2514 spin_lock(&obj->oo_guard);
2515 LASSERT(inode->i_nlink > 0);
2517 /* If this is/was a many-subdir directory (nlink > LDISKFS_LINK_MAX)
2518 * then the nlink count is 1. Don't let it be set to 0 or the directory
2519 * inode will be deleted incorrectly. */
2520 if (S_ISDIR(inode->i_mode) && inode->i_nlink == 0)
2521 set_nlink(inode, 1);
2522 spin_unlock(&obj->oo_guard);
2523 inode->i_sb->s_op->dirty_inode(inode);
2524 LINVRNT(osd_invariant(obj));
2530 * Get the 64-bit version for an inode.
2532 static int osd_object_version_get(const struct lu_env *env,
2533 struct dt_object *dt, dt_obj_version_t *ver)
2535 struct inode *inode = osd_dt_obj(dt)->oo_inode;
2537 CDEBUG(D_INODE, "Get version "LPX64" for inode %lu\n",
2538 LDISKFS_I(inode)->i_fs_version, inode->i_ino);
2539 *ver = LDISKFS_I(inode)->i_fs_version;
2544 * Concurrency: @dt is read locked.
2546 static int osd_xattr_get(const struct lu_env *env, struct dt_object *dt,
2547 struct lu_buf *buf, const char *name,
2548 struct lustre_capa *capa)
2550 struct osd_object *obj = osd_dt_obj(dt);
2551 struct inode *inode = obj->oo_inode;
2552 struct osd_thread_info *info = osd_oti_get(env);
2553 struct dentry *dentry = &info->oti_obj_dentry;
2555 /* version get is not real XATTR but uses xattr API */
2556 if (strcmp(name, XATTR_NAME_VERSION) == 0) {
2557 /* for version we are just using xattr API but change inode
2559 LASSERT(buf->lb_len == sizeof(dt_obj_version_t));
2560 osd_object_version_get(env, dt, buf->lb_buf);
2561 return sizeof(dt_obj_version_t);
2564 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2565 LASSERT(inode->i_op != NULL && inode->i_op->getxattr != NULL);
2567 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_READ))
2570 return __osd_xattr_get(inode, dentry, name, buf->lb_buf, buf->lb_len);
2574 static int osd_declare_xattr_set(const struct lu_env *env,
2575 struct dt_object *dt,
2576 const struct lu_buf *buf, const char *name,
2577 int fl, struct thandle *handle)
2579 struct osd_thandle *oh;
2581 LASSERT(handle != NULL);
2583 oh = container_of0(handle, struct osd_thandle, ot_super);
2584 LASSERT(oh->ot_handle == NULL);
2586 osd_trans_declare_op(env, oh, OSD_OT_XATTR_SET,
2587 strcmp(name, XATTR_NAME_VERSION) == 0 ?
2588 osd_dto_credits_noquota[DTO_ATTR_SET_BASE] :
2589 osd_dto_credits_noquota[DTO_XATTR_SET]);
2595 * Set the 64-bit version for object
2597 static void osd_object_version_set(const struct lu_env *env,
2598 struct dt_object *dt,
2599 dt_obj_version_t *new_version)
2601 struct inode *inode = osd_dt_obj(dt)->oo_inode;
2603 CDEBUG(D_INODE, "Set version "LPX64" (old "LPX64") for inode %lu\n",
2604 *new_version, LDISKFS_I(inode)->i_fs_version, inode->i_ino);
2606 LDISKFS_I(inode)->i_fs_version = *new_version;
2607 /** Version is set after all inode operations are finished,
2608 * so we should mark it dirty here */
2609 inode->i_sb->s_op->dirty_inode(inode);
2613 * Concurrency: @dt is write locked.
2615 static int osd_xattr_set(const struct lu_env *env, struct dt_object *dt,
2616 const struct lu_buf *buf, const char *name, int fl,
2617 struct thandle *handle, struct lustre_capa *capa)
2619 struct osd_object *obj = osd_dt_obj(dt);
2620 struct inode *inode = obj->oo_inode;
2621 struct osd_thread_info *info = osd_oti_get(env);
2624 LASSERT(handle != NULL);
2626 /* version set is not real XATTR */
2627 if (strcmp(name, XATTR_NAME_VERSION) == 0) {
2628 /* for version we are just using xattr API but change inode
2630 LASSERT(buf->lb_len == sizeof(dt_obj_version_t));
2631 osd_object_version_set(env, dt, buf->lb_buf);
2632 return sizeof(dt_obj_version_t);
2635 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_WRITE))
2638 osd_trans_exec_op(env, handle, OSD_OT_XATTR_SET);
2639 if (fl & LU_XATTR_REPLACE)
2640 fs_flags |= XATTR_REPLACE;
2642 if (fl & LU_XATTR_CREATE)
2643 fs_flags |= XATTR_CREATE;
2645 return __osd_xattr_set(info, inode, name, buf->lb_buf, buf->lb_len,
2650 * Concurrency: @dt is read locked.
2652 static int osd_xattr_list(const struct lu_env *env, struct dt_object *dt,
2653 struct lu_buf *buf, struct lustre_capa *capa)
2655 struct osd_object *obj = osd_dt_obj(dt);
2656 struct inode *inode = obj->oo_inode;
2657 struct osd_thread_info *info = osd_oti_get(env);
2658 struct dentry *dentry = &info->oti_obj_dentry;
2660 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2661 LASSERT(inode->i_op != NULL && inode->i_op->listxattr != NULL);
2662 LASSERT(osd_read_locked(env, obj) || osd_write_locked(env, obj));
2664 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_READ))
2667 dentry->d_inode = inode;
2668 return inode->i_op->listxattr(dentry, buf->lb_buf, buf->lb_len);
2671 static int osd_declare_xattr_del(const struct lu_env *env,
2672 struct dt_object *dt, const char *name,
2673 struct thandle *handle)
2675 struct osd_thandle *oh;
2677 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2678 LASSERT(handle != NULL);
2680 oh = container_of0(handle, struct osd_thandle, ot_super);
2681 LASSERT(oh->ot_handle == NULL);
2683 osd_trans_declare_op(env, oh, OSD_OT_XATTR_SET,
2684 osd_dto_credits_noquota[DTO_XATTR_SET]);
2690 * Concurrency: @dt is write locked.
2692 static int osd_xattr_del(const struct lu_env *env, struct dt_object *dt,
2693 const char *name, struct thandle *handle,
2694 struct lustre_capa *capa)
2696 struct osd_object *obj = osd_dt_obj(dt);
2697 struct inode *inode = obj->oo_inode;
2698 struct osd_thread_info *info = osd_oti_get(env);
2699 struct dentry *dentry = &info->oti_obj_dentry;
2702 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2703 LASSERT(inode->i_op != NULL && inode->i_op->removexattr != NULL);
2704 LASSERT(handle != NULL);
2706 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_WRITE))
2709 osd_trans_exec_op(env, handle, OSD_OT_XATTR_SET);
2711 ll_vfs_dq_init(inode);
2712 dentry->d_inode = inode;
2713 rc = inode->i_op->removexattr(dentry, name);
2717 static struct obd_capa *osd_capa_get(const struct lu_env *env,
2718 struct dt_object *dt,
2719 struct lustre_capa *old,
2722 struct osd_thread_info *info = osd_oti_get(env);
2723 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
2724 struct osd_object *obj = osd_dt_obj(dt);
2725 struct osd_device *dev = osd_obj2dev(obj);
2726 struct lustre_capa_key *key = &info->oti_capa_key;
2727 struct lustre_capa *capa = &info->oti_capa;
2728 struct obd_capa *oc;
2729 struct md_capainfo *ci;
2733 if (!dev->od_fl_capa)
2734 RETURN(ERR_PTR(-ENOENT));
2736 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2737 LINVRNT(osd_invariant(obj));
2739 /* renewal sanity check */
2740 if (old && osd_object_auth(env, dt, old, opc))
2741 RETURN(ERR_PTR(-EACCES));
2743 ci = md_capainfo(env);
2745 RETURN(ERR_PTR(-ENOENT));
2747 switch (ci->mc_auth) {
2751 capa->lc_uid = obj->oo_inode->i_uid;
2752 capa->lc_gid = obj->oo_inode->i_gid;
2753 capa->lc_flags = LC_ID_PLAIN;
2755 case LC_ID_CONVERT: {
2758 s[0] = obj->oo_inode->i_uid;
2759 cfs_get_random_bytes(&(s[1]), sizeof(__u32));
2760 s[2] = obj->oo_inode->i_gid;
2761 cfs_get_random_bytes(&(s[3]), sizeof(__u32));
2762 rc = capa_encrypt_id(d, s, key->lk_key, CAPA_HMAC_KEY_MAX_LEN);
2764 RETURN(ERR_PTR(rc));
2766 capa->lc_uid = ((__u64)d[1] << 32) | d[0];
2767 capa->lc_gid = ((__u64)d[3] << 32) | d[2];
2768 capa->lc_flags = LC_ID_CONVERT;
2772 RETURN(ERR_PTR(-EINVAL));
2775 capa->lc_fid = *fid;
2777 capa->lc_flags |= dev->od_capa_alg << 24;
2778 capa->lc_timeout = dev->od_capa_timeout;
2779 capa->lc_expiry = 0;
2781 oc = capa_lookup(dev->od_capa_hash, capa, 1);
2783 LASSERT(!capa_is_expired(oc));
2787 spin_lock(&capa_lock);
2788 *key = dev->od_capa_keys[1];
2789 spin_unlock(&capa_lock);
2791 capa->lc_keyid = key->lk_keyid;
2792 capa->lc_expiry = cfs_time_current_sec() + dev->od_capa_timeout;
2794 rc = capa_hmac(capa->lc_hmac, capa, key->lk_key);
2796 DEBUG_CAPA(D_ERROR, capa, "HMAC failed: %d for", rc);
2797 RETURN(ERR_PTR(rc));
2800 oc = capa_add(dev->od_capa_hash, capa);
2804 static int osd_object_sync(const struct lu_env *env, struct dt_object *dt)
2806 struct osd_object *obj = osd_dt_obj(dt);
2807 struct inode *inode = obj->oo_inode;
2808 struct osd_thread_info *info = osd_oti_get(env);
2809 struct dentry *dentry = &info->oti_obj_dentry;
2810 struct file *file = &info->oti_file;
2815 dentry->d_inode = inode;
2816 file->f_dentry = dentry;
2817 file->f_mapping = inode->i_mapping;
2818 file->f_op = inode->i_fop;
2819 mutex_lock(&inode->i_mutex);
2820 rc = file->f_op->fsync(file, dentry, 0);
2821 mutex_unlock(&inode->i_mutex);
2825 static int osd_data_get(const struct lu_env *env, struct dt_object *dt,
2828 struct osd_object *obj = osd_dt_obj(dt);
2831 *data = (void *)obj->oo_inode;
2839 static int osd_iam_index_probe(const struct lu_env *env, struct osd_object *o,
2840 const struct dt_index_features *feat)
2842 struct iam_descr *descr;
2844 if (osd_object_is_root(o))
2845 return feat == &dt_directory_features;
2847 LASSERT(o->oo_dir != NULL);
2849 descr = o->oo_dir->od_container.ic_descr;
2850 if (feat == &dt_directory_features) {
2851 if (descr->id_rec_size == sizeof(struct osd_fid_pack))
2857 feat->dif_keysize_min <= descr->id_key_size &&
2858 descr->id_key_size <= feat->dif_keysize_max &&
2859 feat->dif_recsize_min <= descr->id_rec_size &&
2860 descr->id_rec_size <= feat->dif_recsize_max &&
2861 !(feat->dif_flags & (DT_IND_VARKEY |
2862 DT_IND_VARREC | DT_IND_NONUNQ)) &&
2863 ergo(feat->dif_flags & DT_IND_UPDATE,
2864 1 /* XXX check that object (and file system) is
2869 static int osd_iam_container_init(const struct lu_env *env,
2870 struct osd_object *obj,
2871 struct osd_directory *dir)
2873 struct iam_container *bag = &dir->od_container;
2876 result = iam_container_init(bag, &dir->od_descr, obj->oo_inode);
2880 result = iam_container_setup(bag);
2882 obj->oo_dt.do_index_ops = &osd_index_iam_ops;
2884 iam_container_fini(bag);
2891 * Concurrency: no external locking is necessary.
2893 static int osd_index_try(const struct lu_env *env, struct dt_object *dt,
2894 const struct dt_index_features *feat)
2898 struct osd_object *obj = osd_dt_obj(dt);
2900 LINVRNT(osd_invariant(obj));
2902 if (osd_object_is_root(obj)) {
2903 dt->do_index_ops = &osd_index_ea_ops;
2905 } else if (feat == &dt_directory_features) {
2906 dt->do_index_ops = &osd_index_ea_ops;
2907 if (obj->oo_inode != NULL && S_ISDIR(obj->oo_inode->i_mode))
2912 } else if (unlikely(feat == &dt_otable_features)) {
2913 dt->do_index_ops = &osd_otable_ops;
2915 } else if (unlikely(feat == &dt_acct_features)) {
2916 dt->do_index_ops = &osd_acct_index_ops;
2919 } else if (!osd_has_index(obj)) {
2920 struct osd_directory *dir;
2925 spin_lock(&obj->oo_guard);
2926 if (obj->oo_dir == NULL)
2930 * Concurrent thread allocated container data.
2933 spin_unlock(&obj->oo_guard);
2935 * Now, that we have container data, serialize its
2938 down_write(&obj->oo_ext_idx_sem);
2940 * recheck under lock.
2942 if (!osd_has_index(obj))
2943 result = osd_iam_container_init(env, obj, dir);
2946 up_write(&obj->oo_ext_idx_sem);
2954 if (result == 0 && skip_iam == 0) {
2955 if (!osd_iam_index_probe(env, obj, feat))
2958 LINVRNT(osd_invariant(obj));
2960 if (is_quota_glb_feat(feat))
2961 result = osd_quota_migration(env, dt, feat);
2966 static int osd_otable_it_attr_get(const struct lu_env *env,
2967 struct dt_object *dt,
2968 struct lu_attr *attr,
2969 struct lustre_capa *capa)
2975 static const struct dt_object_operations osd_obj_ops = {
2976 .do_read_lock = osd_object_read_lock,
2977 .do_write_lock = osd_object_write_lock,
2978 .do_read_unlock = osd_object_read_unlock,
2979 .do_write_unlock = osd_object_write_unlock,
2980 .do_write_locked = osd_object_write_locked,
2981 .do_attr_get = osd_attr_get,
2982 .do_declare_attr_set = osd_declare_attr_set,
2983 .do_attr_set = osd_attr_set,
2984 .do_ah_init = osd_ah_init,
2985 .do_declare_create = osd_declare_object_create,
2986 .do_create = osd_object_create,
2987 .do_declare_destroy = osd_declare_object_destroy,
2988 .do_destroy = osd_object_destroy,
2989 .do_index_try = osd_index_try,
2990 .do_declare_ref_add = osd_declare_object_ref_add,
2991 .do_ref_add = osd_object_ref_add,
2992 .do_declare_ref_del = osd_declare_object_ref_del,
2993 .do_ref_del = osd_object_ref_del,
2994 .do_xattr_get = osd_xattr_get,
2995 .do_declare_xattr_set = osd_declare_xattr_set,
2996 .do_xattr_set = osd_xattr_set,
2997 .do_declare_xattr_del = osd_declare_xattr_del,
2998 .do_xattr_del = osd_xattr_del,
2999 .do_xattr_list = osd_xattr_list,
3000 .do_capa_get = osd_capa_get,
3001 .do_object_sync = osd_object_sync,
3002 .do_data_get = osd_data_get,
3006 * dt_object_operations for interoperability mode
3007 * (i.e. to run 2.0 mds on 1.8 disk) (b11826)
3009 static const struct dt_object_operations osd_obj_ea_ops = {
3010 .do_read_lock = osd_object_read_lock,
3011 .do_write_lock = osd_object_write_lock,
3012 .do_read_unlock = osd_object_read_unlock,
3013 .do_write_unlock = osd_object_write_unlock,
3014 .do_write_locked = osd_object_write_locked,
3015 .do_attr_get = osd_attr_get,
3016 .do_declare_attr_set = osd_declare_attr_set,
3017 .do_attr_set = osd_attr_set,
3018 .do_ah_init = osd_ah_init,
3019 .do_declare_create = osd_declare_object_create,
3020 .do_create = osd_object_ea_create,
3021 .do_declare_destroy = osd_declare_object_destroy,
3022 .do_destroy = osd_object_destroy,
3023 .do_index_try = osd_index_try,
3024 .do_declare_ref_add = osd_declare_object_ref_add,
3025 .do_ref_add = osd_object_ref_add,
3026 .do_declare_ref_del = osd_declare_object_ref_del,
3027 .do_ref_del = osd_object_ref_del,
3028 .do_xattr_get = osd_xattr_get,
3029 .do_declare_xattr_set = osd_declare_xattr_set,
3030 .do_xattr_set = osd_xattr_set,
3031 .do_declare_xattr_del = osd_declare_xattr_del,
3032 .do_xattr_del = osd_xattr_del,
3033 .do_xattr_list = osd_xattr_list,
3034 .do_capa_get = osd_capa_get,
3035 .do_object_sync = osd_object_sync,
3036 .do_data_get = osd_data_get,
3039 static const struct dt_object_operations osd_obj_otable_it_ops = {
3040 .do_attr_get = osd_otable_it_attr_get,
3041 .do_index_try = osd_index_try,
3044 static int osd_index_declare_iam_delete(const struct lu_env *env,
3045 struct dt_object *dt,
3046 const struct dt_key *key,
3047 struct thandle *handle)
3049 struct osd_thandle *oh;
3051 oh = container_of0(handle, struct osd_thandle, ot_super);
3052 LASSERT(oh->ot_handle == NULL);
3054 osd_trans_declare_op(env, oh, OSD_OT_DELETE,
3055 osd_dto_credits_noquota[DTO_INDEX_DELETE]);
3061 * delete a (key, value) pair from index \a dt specified by \a key
3063 * \param dt osd index object
3064 * \param key key for index
3065 * \param rec record reference
3066 * \param handle transaction handler
3069 * \retval -ve failure
3072 static int osd_index_iam_delete(const struct lu_env *env, struct dt_object *dt,
3073 const struct dt_key *key,
3074 struct thandle *handle,
3075 struct lustre_capa *capa)
3077 struct osd_thread_info *oti = osd_oti_get(env);
3078 struct osd_object *obj = osd_dt_obj(dt);
3079 struct osd_thandle *oh;
3080 struct iam_path_descr *ipd;
3081 struct iam_container *bag = &obj->oo_dir->od_container;
3086 LINVRNT(osd_invariant(obj));
3087 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3088 LASSERT(bag->ic_object == obj->oo_inode);
3089 LASSERT(handle != NULL);
3091 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_DELETE))
3094 osd_trans_exec_op(env, handle, OSD_OT_DELETE);
3096 ipd = osd_idx_ipd_get(env, bag);
3097 if (unlikely(ipd == NULL))
3100 oh = container_of0(handle, struct osd_thandle, ot_super);
3101 LASSERT(oh->ot_handle != NULL);
3102 LASSERT(oh->ot_handle->h_transaction != NULL);
3104 if (fid_is_quota(lu_object_fid(&dt->do_lu))) {
3105 /* swab quota uid/gid provided by caller */
3106 oti->oti_quota_id = cpu_to_le64(*((__u64 *)key));
3107 key = (const struct dt_key *)&oti->oti_quota_id;
3110 rc = iam_delete(oh->ot_handle, bag, (const struct iam_key *)key, ipd);
3111 osd_ipd_put(env, bag, ipd);
3112 LINVRNT(osd_invariant(obj));
3116 static int osd_index_declare_ea_delete(const struct lu_env *env,
3117 struct dt_object *dt,
3118 const struct dt_key *key,
3119 struct thandle *handle)
3121 struct osd_thandle *oh;
3122 struct inode *inode;
3126 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3127 LASSERT(handle != NULL);
3129 oh = container_of0(handle, struct osd_thandle, ot_super);
3130 LASSERT(oh->ot_handle == NULL);
3132 osd_trans_declare_op(env, oh, OSD_OT_DELETE,
3133 osd_dto_credits_noquota[DTO_INDEX_DELETE]);
3135 inode = osd_dt_obj(dt)->oo_inode;
3138 rc = osd_declare_inode_qid(env, inode->i_uid, inode->i_gid, 0, oh,
3139 true, true, NULL, false);
3143 static inline int osd_get_fid_from_dentry(struct ldiskfs_dir_entry_2 *de,
3146 struct osd_fid_pack *rec;
3149 if (de->file_type & LDISKFS_DIRENT_LUFID) {
3150 rec = (struct osd_fid_pack *) (de->name + de->name_len + 1);
3151 rc = osd_fid_unpack((struct lu_fid *)fid, rec);
3156 static int osd_remote_fid(const struct lu_env *env, struct osd_device *osd,
3159 struct lu_seq_range *range = &osd_oti_get(env)->oti_seq_range;
3160 struct seq_server_site *ss = osd_seq_site(osd);
3164 /* Those FID seqs, which are not in FLDB, must be local seq */
3165 if (unlikely(!fid_seq_in_fldb(fid_seq(fid)) || ss == NULL))
3168 rc = osd_fld_lookup(env, osd, fid, range);
3170 CERROR("%s: Can not lookup fld for "DFID"\n",
3171 osd_name(osd), PFID(fid));
3175 RETURN(ss->ss_node_id != range->lsr_index);
3179 * Index delete function for interoperability mode (b11826).
3180 * It will remove the directory entry added by osd_index_ea_insert().
3181 * This entry is needed to maintain name->fid mapping.
3183 * \param key, key i.e. file entry to be deleted
3185 * \retval 0, on success
3186 * \retval -ve, on error
3188 static int osd_index_ea_delete(const struct lu_env *env, struct dt_object *dt,
3189 const struct dt_key *key,
3190 struct thandle *handle,
3191 struct lustre_capa *capa)
3193 struct osd_object *obj = osd_dt_obj(dt);
3194 struct inode *dir = obj->oo_inode;
3195 struct dentry *dentry;
3196 struct osd_thandle *oh;
3197 struct ldiskfs_dir_entry_2 *de = NULL;
3198 struct buffer_head *bh;
3199 struct htree_lock *hlock = NULL;
3200 struct lu_fid *fid = &osd_oti_get(env)->oti_fid;
3201 struct osd_device *osd = osd_dev(dt->do_lu.lo_dev);
3205 LINVRNT(osd_invariant(obj));
3206 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3207 LASSERT(handle != NULL);
3209 osd_trans_exec_op(env, handle, OSD_OT_DELETE);
3211 oh = container_of(handle, struct osd_thandle, ot_super);
3212 LASSERT(oh->ot_handle != NULL);
3213 LASSERT(oh->ot_handle->h_transaction != NULL);
3215 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_DELETE))
3218 ll_vfs_dq_init(dir);
3219 dentry = osd_child_dentry_get(env, obj,
3220 (char *)key, strlen((char *)key));
3222 if (obj->oo_hl_head != NULL) {
3223 hlock = osd_oti_get(env)->oti_hlock;
3224 ldiskfs_htree_lock(hlock, obj->oo_hl_head,
3225 dir, LDISKFS_HLOCK_DEL);
3227 down_write(&obj->oo_ext_idx_sem);
3230 bh = osd_ldiskfs_find_entry(dir, dentry, &de, hlock);
3232 rc = ldiskfs_delete_entry(oh->ot_handle,
3239 ldiskfs_htree_unlock(hlock);
3241 up_write(&obj->oo_ext_idx_sem);
3246 /* For inode on the remote MDT, .. will point to
3247 * /Agent directory. So do not try to lookup/delete
3248 * remote inode for .. */
3249 if (strcmp((char *)key, dotdot) == 0)
3252 LASSERT(de != NULL);
3253 rc = osd_get_fid_from_dentry(de, (struct dt_rec *)fid);
3254 if (rc == 0 && osd_remote_fid(env, osd, fid)) {
3255 __u32 ino = le32_to_cpu(de->inode);
3257 rc = osd_delete_remote_inode(env, osd, fid, ino, oh);
3259 CERROR("%s: del local inode "DFID": rc = %d\n",
3260 osd_name(osd), PFID(fid), rc);
3267 LASSERT(osd_invariant(obj));
3272 * Lookup index for \a key and copy record to \a rec.
3274 * \param dt osd index object
3275 * \param key key for index
3276 * \param rec record reference
3278 * \retval +ve success : exact mach
3279 * \retval 0 return record with key not greater than \a key
3280 * \retval -ve failure
3282 static int osd_index_iam_lookup(const struct lu_env *env, struct dt_object *dt,
3283 struct dt_rec *rec, const struct dt_key *key,
3284 struct lustre_capa *capa)
3286 struct osd_object *obj = osd_dt_obj(dt);
3287 struct iam_path_descr *ipd;
3288 struct iam_container *bag = &obj->oo_dir->od_container;
3289 struct osd_thread_info *oti = osd_oti_get(env);
3290 struct iam_iterator *it = &oti->oti_idx_it;
3291 struct iam_rec *iam_rec;
3296 LASSERT(osd_invariant(obj));
3297 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3298 LASSERT(bag->ic_object == obj->oo_inode);
3300 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_LOOKUP))
3303 ipd = osd_idx_ipd_get(env, bag);
3307 /* got ipd now we can start iterator. */
3308 iam_it_init(it, bag, 0, ipd);
3310 if (fid_is_quota(lu_object_fid(&dt->do_lu))) {
3311 /* swab quota uid/gid provided by caller */
3312 oti->oti_quota_id = cpu_to_le64(*((__u64 *)key));
3313 key = (const struct dt_key *)&oti->oti_quota_id;
3316 rc = iam_it_get(it, (struct iam_key *)key);
3318 if (S_ISDIR(obj->oo_inode->i_mode))
3319 iam_rec = (struct iam_rec *)oti->oti_ldp;
3321 iam_rec = (struct iam_rec *) rec;
3323 iam_reccpy(&it->ii_path.ip_leaf, (struct iam_rec *)iam_rec);
3325 if (S_ISDIR(obj->oo_inode->i_mode))
3326 osd_fid_unpack((struct lu_fid *) rec,
3327 (struct osd_fid_pack *)iam_rec);
3328 else if (fid_is_quota(lu_object_fid(&dt->do_lu)))
3329 osd_quota_unpack(obj, rec);
3334 osd_ipd_put(env, bag, ipd);
3336 LINVRNT(osd_invariant(obj));
3341 static int osd_index_declare_iam_insert(const struct lu_env *env,
3342 struct dt_object *dt,
3343 const struct dt_rec *rec,
3344 const struct dt_key *key,
3345 struct thandle *handle)
3347 struct osd_thandle *oh;
3349 LASSERT(handle != NULL);
3351 oh = container_of0(handle, struct osd_thandle, ot_super);
3352 LASSERT(oh->ot_handle == NULL);
3354 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
3355 osd_dto_credits_noquota[DTO_INDEX_INSERT]);
3361 * Inserts (key, value) pair in \a dt index object.
3363 * \param dt osd index object
3364 * \param key key for index
3365 * \param rec record reference
3366 * \param th transaction handler
3369 * \retval -ve failure
3371 static int osd_index_iam_insert(const struct lu_env *env, struct dt_object *dt,
3372 const struct dt_rec *rec,
3373 const struct dt_key *key, struct thandle *th,
3374 struct lustre_capa *capa, int ignore_quota)
3376 struct osd_object *obj = osd_dt_obj(dt);
3377 struct iam_path_descr *ipd;
3378 struct osd_thandle *oh;
3379 struct iam_container *bag = &obj->oo_dir->od_container;
3380 struct osd_thread_info *oti = osd_oti_get(env);
3381 struct iam_rec *iam_rec;
3386 LINVRNT(osd_invariant(obj));
3387 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3388 LASSERT(bag->ic_object == obj->oo_inode);
3389 LASSERT(th != NULL);
3391 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_INSERT))
3394 osd_trans_exec_op(env, th, OSD_OT_INSERT);
3396 ipd = osd_idx_ipd_get(env, bag);
3397 if (unlikely(ipd == NULL))
3400 oh = container_of0(th, struct osd_thandle, ot_super);
3401 LASSERT(oh->ot_handle != NULL);
3402 LASSERT(oh->ot_handle->h_transaction != NULL);
3403 if (S_ISDIR(obj->oo_inode->i_mode)) {
3404 iam_rec = (struct iam_rec *)oti->oti_ldp;
3405 osd_fid_pack((struct osd_fid_pack *)iam_rec, rec, &oti->oti_fid);
3406 } else if (fid_is_quota(lu_object_fid(&dt->do_lu))) {
3407 /* pack quota uid/gid */
3408 oti->oti_quota_id = cpu_to_le64(*((__u64 *)key));
3409 key = (const struct dt_key *)&oti->oti_quota_id;
3410 /* pack quota record */
3411 rec = osd_quota_pack(obj, rec, &oti->oti_quota_rec);
3412 iam_rec = (struct iam_rec *)rec;
3414 iam_rec = (struct iam_rec *)rec;
3417 rc = iam_insert(oh->ot_handle, bag, (const struct iam_key *)key,
3419 osd_ipd_put(env, bag, ipd);
3420 LINVRNT(osd_invariant(obj));
3425 * Calls ldiskfs_add_entry() to add directory entry
3426 * into the directory. This is required for
3427 * interoperability mode (b11826)
3429 * \retval 0, on success
3430 * \retval -ve, on error
3432 static int __osd_ea_add_rec(struct osd_thread_info *info,
3433 struct osd_object *pobj, struct inode *cinode,
3434 const char *name, const struct dt_rec *fid,
3435 struct htree_lock *hlock, struct thandle *th)
3437 struct ldiskfs_dentry_param *ldp;
3438 struct dentry *child;
3439 struct osd_thandle *oth;
3442 oth = container_of(th, struct osd_thandle, ot_super);
3443 LASSERT(oth->ot_handle != NULL);
3444 LASSERT(oth->ot_handle->h_transaction != NULL);
3445 LASSERT(pobj->oo_inode);
3447 ldp = (struct ldiskfs_dentry_param *)info->oti_ldp;
3448 if (unlikely(pobj->oo_inode ==
3449 osd_sb(osd_obj2dev(pobj))->s_root->d_inode))
3452 osd_get_ldiskfs_dirent_param(ldp, fid);
3453 child = osd_child_dentry_get(info->oti_env, pobj, name, strlen(name));
3454 child->d_fsdata = (void *)ldp;
3455 ll_vfs_dq_init(pobj->oo_inode);
3456 rc = osd_ldiskfs_add_entry(oth->ot_handle, child, cinode, hlock);
3462 * Calls ldiskfs_add_dot_dotdot() to add dot and dotdot entries
3463 * into the directory.Also sets flags into osd object to
3464 * indicate dot and dotdot are created. This is required for
3465 * interoperability mode (b11826)
3467 * \param dir directory for dot and dotdot fixup.
3468 * \param obj child object for linking
3470 * \retval 0, on success
3471 * \retval -ve, on error
3473 static int osd_add_dot_dotdot(struct osd_thread_info *info,
3474 struct osd_object *dir,
3475 struct inode *parent_dir, const char *name,
3476 const struct dt_rec *dot_fid,
3477 const struct dt_rec *dot_dot_fid,
3480 struct inode *inode = dir->oo_inode;
3481 struct osd_thandle *oth;
3484 oth = container_of(th, struct osd_thandle, ot_super);
3485 LASSERT(oth->ot_handle->h_transaction != NULL);
3486 LASSERT(S_ISDIR(dir->oo_inode->i_mode));
3488 if (strcmp(name, dot) == 0) {
3489 if (dir->oo_compat_dot_created) {
3492 LASSERT(inode == parent_dir);
3493 dir->oo_compat_dot_created = 1;
3496 } else if (strcmp(name, dotdot) == 0) {
3497 if (!dir->oo_compat_dot_created)
3499 /* in case of rename, dotdot is already created */
3500 if (dir->oo_compat_dotdot_created) {
3501 return __osd_ea_add_rec(info, dir, parent_dir, name,
3502 dot_dot_fid, NULL, th);
3505 result = osd_add_dot_dotdot_internal(info, dir->oo_inode,
3506 parent_dir, dot_fid,
3509 dir->oo_compat_dotdot_created = 1;
3517 * It will call the appropriate osd_add* function and return the
3518 * value, return by respective functions.
3520 static int osd_ea_add_rec(const struct lu_env *env, struct osd_object *pobj,
3521 struct inode *cinode, const char *name,
3522 const struct dt_rec *fid, struct thandle *th)
3524 struct osd_thread_info *info = osd_oti_get(env);
3525 struct htree_lock *hlock;
3528 hlock = pobj->oo_hl_head != NULL ? info->oti_hlock : NULL;
3530 if (name[0] == '.' && (name[1] == '\0' || (name[1] == '.' &&
3532 if (hlock != NULL) {
3533 ldiskfs_htree_lock(hlock, pobj->oo_hl_head,
3536 down_write(&pobj->oo_ext_idx_sem);
3538 rc = osd_add_dot_dotdot(info, pobj, cinode, name,
3539 (struct dt_rec *)lu_object_fid(&pobj->oo_dt.do_lu),
3542 if (hlock != NULL) {
3543 ldiskfs_htree_lock(hlock, pobj->oo_hl_head,
3544 pobj->oo_inode, LDISKFS_HLOCK_ADD);
3546 down_write(&pobj->oo_ext_idx_sem);
3549 if (OBD_FAIL_CHECK(OBD_FAIL_FID_INDIR)) {
3550 struct lu_fid *tfid = &info->oti_fid;
3552 *tfid = *(const struct lu_fid *)fid;
3554 rc = __osd_ea_add_rec(info, pobj, cinode, name,
3555 (const struct dt_rec *)tfid,
3558 rc = __osd_ea_add_rec(info, pobj, cinode, name, fid,
3563 ldiskfs_htree_unlock(hlock);
3565 up_write(&pobj->oo_ext_idx_sem);
3571 osd_consistency_check(struct osd_thread_info *oti, struct osd_device *dev,
3572 struct osd_idmap_cache *oic)
3574 struct osd_scrub *scrub = &dev->od_scrub;
3575 struct lu_fid *fid = &oic->oic_fid;
3576 struct osd_inode_id *id = &oti->oti_id;
3581 if (!fid_is_norm(fid) && !fid_is_igif(fid))
3585 rc = osd_oi_lookup(oti, dev, fid, id, true);
3586 if (rc != 0 && rc != -ENOENT)
3589 if (rc == 0 && osd_id_eq(id, &oic->oic_lid))
3592 if (thread_is_running(&scrub->os_thread)) {
3593 rc = osd_oii_insert(dev, oic, rc == -ENOENT);
3594 /* There is race condition between osd_oi_lookup and OI scrub.
3595 * The OI scrub finished just after osd_oi_lookup() failure.
3596 * Under such case, it is unnecessary to trigger OI scrub again,
3597 * but try to call osd_oi_lookup() again. */
3598 if (unlikely(rc == -EAGAIN))
3604 if (!dev->od_noscrub && ++once == 1) {
3605 CDEBUG(D_LFSCK, "Trigger OI scrub by RPC for "DFID"\n",
3607 rc = osd_scrub_start(dev);
3608 LCONSOLE_ERROR("%.16s: trigger OI scrub by RPC for "DFID
3610 LDISKFS_SB(osd_sb(dev))->s_es->s_volume_name,
3619 static int osd_fail_fid_lookup(struct osd_thread_info *oti,
3620 struct osd_device *dev,
3621 struct osd_idmap_cache *oic,
3622 struct lu_fid *fid, __u32 ino)
3624 struct lustre_mdt_attrs *lma = &oti->oti_mdt_attrs;
3625 struct inode *inode;
3628 osd_id_gen(&oic->oic_lid, ino, OSD_OII_NOGEN);
3629 inode = osd_iget(oti, dev, &oic->oic_lid);
3630 if (IS_ERR(inode)) {
3631 fid_zero(&oic->oic_fid);
3632 return PTR_ERR(inode);
3635 rc = osd_get_lma(oti, inode, &oti->oti_obj_dentry, lma);
3638 fid_zero(&oic->oic_fid);
3640 *fid = oic->oic_fid = lma->lma_self_fid;
3645 * Calls ->lookup() to find dentry. From dentry get inode and
3646 * read inode's ea to get fid. This is required for interoperability
3649 * \retval 0, on success
3650 * \retval -ve, on error
3652 static int osd_ea_lookup_rec(const struct lu_env *env, struct osd_object *obj,
3653 struct dt_rec *rec, const struct dt_key *key)
3655 struct inode *dir = obj->oo_inode;
3656 struct dentry *dentry;
3657 struct ldiskfs_dir_entry_2 *de;
3658 struct buffer_head *bh;
3659 struct lu_fid *fid = (struct lu_fid *) rec;
3660 struct htree_lock *hlock = NULL;
3665 LASSERT(dir->i_op != NULL && dir->i_op->lookup != NULL);
3667 dentry = osd_child_dentry_get(env, obj,
3668 (char *)key, strlen((char *)key));
3670 if (obj->oo_hl_head != NULL) {
3671 hlock = osd_oti_get(env)->oti_hlock;
3672 ldiskfs_htree_lock(hlock, obj->oo_hl_head,
3673 dir, LDISKFS_HLOCK_LOOKUP);
3675 down_read(&obj->oo_ext_idx_sem);
3678 bh = osd_ldiskfs_find_entry(dir, dentry, &de, hlock);
3680 struct osd_thread_info *oti = osd_oti_get(env);
3681 struct osd_inode_id *id = &oti->oti_id;
3682 struct osd_idmap_cache *oic = &oti->oti_cache;
3683 struct osd_device *dev = osd_obj2dev(obj);
3684 struct osd_scrub *scrub = &dev->od_scrub;
3685 struct scrub_file *sf = &scrub->os_file;
3687 ino = le32_to_cpu(de->inode);
3688 if (OBD_FAIL_CHECK(OBD_FAIL_FID_LOOKUP)) {
3690 rc = osd_fail_fid_lookup(oti, dev, oic, fid, ino);
3694 rc = osd_get_fid_from_dentry(de, rec);
3696 /* done with de, release bh */
3699 rc = osd_ea_fid_get(env, obj, ino, fid, id);
3701 osd_id_gen(id, ino, OSD_OII_NOGEN);
3702 if (rc != 0 || osd_remote_fid(env, dev, fid)) {
3703 fid_zero(&oic->oic_fid);
3708 oic->oic_fid = *fid;
3709 if ((scrub->os_pos_current <= ino) &&
3710 ((sf->sf_flags & SF_INCONSISTENT) ||
3711 (sf->sf_flags & SF_UPGRADE && fid_is_igif(fid)) ||
3712 ldiskfs_test_bit(osd_oi_fid2idx(dev, fid),
3714 osd_consistency_check(oti, dev, oic);
3723 ldiskfs_htree_unlock(hlock);
3725 up_read(&obj->oo_ext_idx_sem);
3730 * Find the osd object for given fid.
3732 * \param fid need to find the osd object having this fid
3734 * \retval osd_object on success
3735 * \retval -ve on error
3737 struct osd_object *osd_object_find(const struct lu_env *env,
3738 struct dt_object *dt,
3739 const struct lu_fid *fid)
3741 struct lu_device *ludev = dt->do_lu.lo_dev;
3742 struct osd_object *child = NULL;
3743 struct lu_object *luch;
3744 struct lu_object *lo;
3747 * at this point topdev might not exist yet
3748 * (i.e. MGS is preparing profiles). so we can
3749 * not rely on topdev and instead lookup with
3750 * our device passed as topdev. this can't work
3751 * if the object isn't cached yet (as osd doesn't
3752 * allocate lu_header). IOW, the object must be
3753 * in the cache, otherwise lu_object_alloc() crashes
3756 luch = lu_object_find_at(env, ludev, fid, NULL);
3757 if (!IS_ERR(luch)) {
3758 if (lu_object_exists(luch)) {
3759 lo = lu_object_locate(luch->lo_header, ludev->ld_type);
3761 child = osd_obj(lo);
3763 LU_OBJECT_DEBUG(D_ERROR, env, luch,
3764 "lu_object can't be located"
3765 DFID"\n", PFID(fid));
3767 if (child == NULL) {
3768 lu_object_put(env, luch);
3769 CERROR("Unable to get osd_object\n");
3770 child = ERR_PTR(-ENOENT);
3773 LU_OBJECT_DEBUG(D_ERROR, env, luch,
3774 "lu_object does not exists "DFID"\n",
3776 lu_object_put(env, luch);
3777 child = ERR_PTR(-ENOENT);
3780 child = (void *)luch;
3786 * Put the osd object once done with it.
3788 * \param obj osd object that needs to be put
3790 static inline void osd_object_put(const struct lu_env *env,
3791 struct osd_object *obj)
3793 lu_object_put(env, &obj->oo_dt.do_lu);
3796 static int osd_index_declare_ea_insert(const struct lu_env *env,
3797 struct dt_object *dt,
3798 const struct dt_rec *rec,
3799 const struct dt_key *key,
3800 struct thandle *handle)
3802 struct osd_thandle *oh;
3803 struct osd_device *osd = osd_dev(dt->do_lu.lo_dev);
3804 struct lu_fid *fid = (struct lu_fid *)rec;
3808 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3809 LASSERT(handle != NULL);
3811 oh = container_of0(handle, struct osd_thandle, ot_super);
3812 LASSERT(oh->ot_handle == NULL);
3814 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
3815 osd_dto_credits_noquota[DTO_INDEX_INSERT]);
3817 if (osd_dt_obj(dt)->oo_inode == NULL) {
3818 const char *name = (const char *)key;
3819 /* Object is not being created yet. Only happens when
3820 * 1. declare directory create
3821 * 2. declare insert .
3822 * 3. declare insert ..
3824 LASSERT(strcmp(name, dotdot) == 0 || strcmp(name, dot) == 0);
3826 struct inode *inode = osd_dt_obj(dt)->oo_inode;
3828 /* We ignore block quota on meta pool (MDTs), so needn't
3829 * calculate how many blocks will be consumed by this index
3831 rc = osd_declare_inode_qid(env, inode->i_uid, inode->i_gid, 0,
3832 oh, true, true, NULL, false);
3838 rc = osd_remote_fid(env, osd, fid);
3844 osd_trans_declare_op(env, oh, OSD_OT_CREATE,
3845 osd_dto_credits_noquota[DTO_OBJECT_CREATE]);
3846 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
3847 osd_dto_credits_noquota[DTO_INDEX_INSERT] + 1);
3848 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
3849 osd_dto_credits_noquota[DTO_INDEX_INSERT] + 1);
3855 * Index add function for interoperability mode (b11826).
3856 * It will add the directory entry.This entry is needed to
3857 * maintain name->fid mapping.
3859 * \param key it is key i.e. file entry to be inserted
3860 * \param rec it is value of given key i.e. fid
3862 * \retval 0, on success
3863 * \retval -ve, on error
3865 static int osd_index_ea_insert(const struct lu_env *env, struct dt_object *dt,
3866 const struct dt_rec *rec,
3867 const struct dt_key *key, struct thandle *th,
3868 struct lustre_capa *capa, int ignore_quota)
3870 struct osd_object *obj = osd_dt_obj(dt);
3871 struct osd_device *osd = osd_dev(dt->do_lu.lo_dev);
3872 struct lu_fid *fid = (struct lu_fid *) rec;
3873 const char *name = (const char *)key;
3874 struct osd_thread_info *oti = osd_oti_get(env);
3875 struct osd_inode_id *id = &oti->oti_id;
3876 struct inode *child_inode = NULL;
3877 struct osd_object *child = NULL;
3881 LASSERT(osd_invariant(obj));
3882 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3883 LASSERT(th != NULL);
3885 osd_trans_exec_op(env, th, OSD_OT_INSERT);
3887 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_INSERT))
3890 LASSERTF(fid_is_sane(fid), "fid"DFID" is insane!", PFID(fid));
3892 rc = osd_remote_fid(env, osd, fid);
3894 CERROR("%s: Can not find object "DFID" rc %d\n",
3895 osd_name(osd), PFID(fid), rc);
3900 /* Insert remote entry */
3901 if (strcmp(name, dotdot) == 0 && strlen(name) == 2) {
3902 struct osd_mdobj_map *omm = osd->od_mdt_map;
3903 struct osd_thandle *oh;
3905 /* If parent on remote MDT, we need put this object
3907 oh = container_of(th, typeof(*oh), ot_super);
3908 rc = osd_add_to_agent(env, osd, obj, oh);
3910 CERROR("%s: add agent "DFID" error: rc = %d\n",
3912 PFID(lu_object_fid(&dt->do_lu)), rc);
3916 child_inode = igrab(omm->omm_agent_dentry->d_inode);
3918 child_inode = osd_create_remote_inode(env, osd, obj,
3920 if (IS_ERR(child_inode))
3921 RETURN(PTR_ERR(child_inode));
3924 /* Insert local entry */
3925 child = osd_object_find(env, dt, fid);
3926 if (IS_ERR(child)) {
3927 CERROR("%s: Can not find object "DFID"%u:%u: rc = %d\n",
3928 osd_name(osd), PFID(fid),
3929 id->oii_ino, id->oii_gen,
3930 (int)PTR_ERR(child_inode));
3931 RETURN(PTR_ERR(child_inode));
3933 child_inode = igrab(child->oo_inode);
3936 rc = osd_ea_add_rec(env, obj, child_inode, name, rec, th);
3940 osd_object_put(env, child);
3941 LASSERT(osd_invariant(obj));
3946 * Initialize osd Iterator for given osd index object.
3948 * \param dt osd index object
3951 static struct dt_it *osd_it_iam_init(const struct lu_env *env,
3952 struct dt_object *dt,
3954 struct lustre_capa *capa)
3956 struct osd_it_iam *it;
3957 struct osd_thread_info *oti = osd_oti_get(env);
3958 struct osd_object *obj = osd_dt_obj(dt);
3959 struct lu_object *lo = &dt->do_lu;
3960 struct iam_path_descr *ipd;
3961 struct iam_container *bag = &obj->oo_dir->od_container;
3963 LASSERT(lu_object_exists(lo));
3965 if (osd_object_auth(env, dt, capa, CAPA_OPC_BODY_READ))
3966 return ERR_PTR(-EACCES);
3969 ipd = osd_it_ipd_get(env, bag);
3970 if (likely(ipd != NULL)) {
3974 iam_it_init(&it->oi_it, bag, IAM_IT_MOVE, ipd);
3975 return (struct dt_it *)it;
3977 return ERR_PTR(-ENOMEM);
3981 * free given Iterator.
3984 static void osd_it_iam_fini(const struct lu_env *env, struct dt_it *di)
3986 struct osd_it_iam *it = (struct osd_it_iam *)di;
3987 struct osd_object *obj = it->oi_obj;
3989 iam_it_fini(&it->oi_it);
3990 osd_ipd_put(env, &obj->oo_dir->od_container, it->oi_ipd);
3991 lu_object_put(env, &obj->oo_dt.do_lu);
3995 * Move Iterator to record specified by \a key
3997 * \param di osd iterator
3998 * \param key key for index
4000 * \retval +ve di points to record with least key not larger than key
4001 * \retval 0 di points to exact matched key
4002 * \retval -ve failure
4005 static int osd_it_iam_get(const struct lu_env *env,
4006 struct dt_it *di, const struct dt_key *key)
4008 struct osd_thread_info *oti = osd_oti_get(env);
4009 struct osd_it_iam *it = (struct osd_it_iam *)di;
4011 if (fid_is_quota(lu_object_fid(&it->oi_obj->oo_dt.do_lu))) {
4012 /* swab quota uid/gid */
4013 oti->oti_quota_id = cpu_to_le64(*((__u64 *)key));
4014 key = (struct dt_key *)&oti->oti_quota_id;
4017 return iam_it_get(&it->oi_it, (const struct iam_key *)key);
4023 * \param di osd iterator
4025 static void osd_it_iam_put(const struct lu_env *env, struct dt_it *di)
4027 struct osd_it_iam *it = (struct osd_it_iam *)di;
4029 iam_it_put(&it->oi_it);
4033 * Move iterator by one record
4035 * \param di osd iterator
4037 * \retval +1 end of container reached
4039 * \retval -ve failure
4042 static int osd_it_iam_next(const struct lu_env *env, struct dt_it *di)
4044 struct osd_it_iam *it = (struct osd_it_iam *)di;
4046 return iam_it_next(&it->oi_it);
4050 * Return pointer to the key under iterator.
4053 static struct dt_key *osd_it_iam_key(const struct lu_env *env,
4054 const struct dt_it *di)
4056 struct osd_thread_info *oti = osd_oti_get(env);
4057 struct osd_it_iam *it = (struct osd_it_iam *)di;
4058 struct osd_object *obj = it->oi_obj;
4061 key = (struct dt_key *)iam_it_key_get(&it->oi_it);
4063 if (!IS_ERR(key) && fid_is_quota(lu_object_fid(&obj->oo_dt.do_lu))) {
4064 /* swab quota uid/gid */
4065 oti->oti_quota_id = le64_to_cpu(*((__u64 *)key));
4066 key = (struct dt_key *)&oti->oti_quota_id;
4073 * Return size of key under iterator (in bytes)
4076 static int osd_it_iam_key_size(const struct lu_env *env, const struct dt_it *di)
4078 struct osd_it_iam *it = (struct osd_it_iam *)di;
4080 return iam_it_key_size(&it->oi_it);
4084 osd_it_append_attrs(struct lu_dirent *ent, int len, __u16 type)
4086 /* check if file type is required */
4087 if (ent->lde_attrs & LUDA_TYPE) {
4088 int align = sizeof(struct luda_type) - 1;
4089 struct luda_type *lt;
4091 len = (len + align) & ~align;
4092 lt = (struct luda_type *)(ent->lde_name + len);
4093 lt->lt_type = cpu_to_le16(CFS_DTTOIF(type));
4096 ent->lde_attrs = cpu_to_le32(ent->lde_attrs);
4100 * build lu direct from backend fs dirent.
4104 osd_it_pack_dirent(struct lu_dirent *ent, struct lu_fid *fid, __u64 offset,
4105 char *name, __u16 namelen, __u16 type, __u32 attr)
4107 ent->lde_attrs = attr | LUDA_FID;
4108 fid_cpu_to_le(&ent->lde_fid, fid);
4110 ent->lde_hash = cpu_to_le64(offset);
4111 ent->lde_reclen = cpu_to_le16(lu_dirent_calc_size(namelen, attr));
4113 strncpy(ent->lde_name, name, namelen);
4114 ent->lde_namelen = cpu_to_le16(namelen);
4116 /* append lustre attributes */
4117 osd_it_append_attrs(ent, namelen, type);
4121 * Return pointer to the record under iterator.
4123 static int osd_it_iam_rec(const struct lu_env *env,
4124 const struct dt_it *di,
4125 struct dt_rec *dtrec, __u32 attr)
4127 struct osd_it_iam *it = (struct osd_it_iam *)di;
4128 struct osd_thread_info *info = osd_oti_get(env);
4131 if (S_ISDIR(it->oi_obj->oo_inode->i_mode)) {
4132 const struct osd_fid_pack *rec;
4133 struct lu_fid *fid = &info->oti_fid;
4134 struct lu_dirent *lde = (struct lu_dirent *)dtrec;
4140 name = (char *)iam_it_key_get(&it->oi_it);
4142 RETURN(PTR_ERR(name));
4144 namelen = iam_it_key_size(&it->oi_it);
4146 rec = (const struct osd_fid_pack *)iam_it_rec_get(&it->oi_it);
4148 RETURN(PTR_ERR(rec));
4150 rc = osd_fid_unpack(fid, rec);
4154 hash = iam_it_store(&it->oi_it);
4156 /* IAM does not store object type in IAM index (dir) */
4157 osd_it_pack_dirent(lde, fid, hash, name, namelen,
4159 } else if (fid_is_quota(lu_object_fid(&it->oi_obj->oo_dt.do_lu))) {
4160 iam_reccpy(&it->oi_it.ii_path.ip_leaf,
4161 (struct iam_rec *)dtrec);
4162 osd_quota_unpack(it->oi_obj, dtrec);
4164 iam_reccpy(&it->oi_it.ii_path.ip_leaf,
4165 (struct iam_rec *)dtrec);
4172 * Returns cookie for current Iterator position.
4174 static __u64 osd_it_iam_store(const struct lu_env *env, const struct dt_it *di)
4176 struct osd_it_iam *it = (struct osd_it_iam *)di;
4178 return iam_it_store(&it->oi_it);
4182 * Restore iterator from cookie.
4184 * \param di osd iterator
4185 * \param hash Iterator location cookie
4187 * \retval +ve di points to record with least key not larger than key.
4188 * \retval 0 di points to exact matched key
4189 * \retval -ve failure
4192 static int osd_it_iam_load(const struct lu_env *env,
4193 const struct dt_it *di, __u64 hash)
4195 struct osd_it_iam *it = (struct osd_it_iam *)di;
4197 return iam_it_load(&it->oi_it, hash);
4200 static const struct dt_index_operations osd_index_iam_ops = {
4201 .dio_lookup = osd_index_iam_lookup,
4202 .dio_declare_insert = osd_index_declare_iam_insert,
4203 .dio_insert = osd_index_iam_insert,
4204 .dio_declare_delete = osd_index_declare_iam_delete,
4205 .dio_delete = osd_index_iam_delete,
4207 .init = osd_it_iam_init,
4208 .fini = osd_it_iam_fini,
4209 .get = osd_it_iam_get,
4210 .put = osd_it_iam_put,
4211 .next = osd_it_iam_next,
4212 .key = osd_it_iam_key,
4213 .key_size = osd_it_iam_key_size,
4214 .rec = osd_it_iam_rec,
4215 .store = osd_it_iam_store,
4216 .load = osd_it_iam_load
4222 * Creates or initializes iterator context.
4224 * \retval struct osd_it_ea, iterator structure on success
4227 static struct dt_it *osd_it_ea_init(const struct lu_env *env,
4228 struct dt_object *dt,
4230 struct lustre_capa *capa)
4232 struct osd_object *obj = osd_dt_obj(dt);
4233 struct osd_thread_info *info = osd_oti_get(env);
4234 struct osd_it_ea *it = &info->oti_it_ea;
4235 struct lu_object *lo = &dt->do_lu;
4236 struct dentry *obj_dentry = &info->oti_it_dentry;
4238 LASSERT(lu_object_exists(lo));
4240 obj_dentry->d_inode = obj->oo_inode;
4241 obj_dentry->d_sb = osd_sb(osd_obj2dev(obj));
4242 obj_dentry->d_name.hash = 0;
4244 it->oie_rd_dirent = 0;
4245 it->oie_it_dirent = 0;
4246 it->oie_dirent = NULL;
4247 it->oie_buf = info->oti_it_ea_buf;
4249 it->oie_file.f_pos = 0;
4250 it->oie_file.f_dentry = obj_dentry;
4251 if (attr & LUDA_64BITHASH)
4252 it->oie_file.f_mode |= FMODE_64BITHASH;
4254 it->oie_file.f_mode |= FMODE_32BITHASH;
4255 it->oie_file.f_mapping = obj->oo_inode->i_mapping;
4256 it->oie_file.f_op = obj->oo_inode->i_fop;
4257 it->oie_file.private_data = NULL;
4259 RETURN((struct dt_it *) it);
4263 * Destroy or finishes iterator context.
4265 * \param di iterator structure to be destroyed
4267 static void osd_it_ea_fini(const struct lu_env *env, struct dt_it *di)
4269 struct osd_it_ea *it = (struct osd_it_ea *)di;
4270 struct osd_object *obj = it->oie_obj;
4271 struct inode *inode = obj->oo_inode;
4274 it->oie_file.f_op->release(inode, &it->oie_file);
4275 lu_object_put(env, &obj->oo_dt.do_lu);
4280 * It position the iterator at given key, so that next lookup continues from
4281 * that key Or it is similar to dio_it->load() but based on a key,
4282 * rather than file position.
4284 * As a special convention, osd_it_ea_get(env, di, "") has to rewind iterator
4287 * TODO: Presently return +1 considering it is only used by mdd_dir_is_empty().
4289 static int osd_it_ea_get(const struct lu_env *env,
4290 struct dt_it *di, const struct dt_key *key)
4292 struct osd_it_ea *it = (struct osd_it_ea *)di;
4295 LASSERT(((const char *)key)[0] == '\0');
4296 it->oie_file.f_pos = 0;
4297 it->oie_rd_dirent = 0;
4298 it->oie_it_dirent = 0;
4299 it->oie_dirent = NULL;
4307 static void osd_it_ea_put(const struct lu_env *env, struct dt_it *di)
4312 * It is called internally by ->readdir(). It fills the
4313 * iterator's in-memory data structure with required
4314 * information i.e. name, namelen, rec_size etc.
4316 * \param buf in which information to be filled in.
4317 * \param name name of the file in given dir
4319 * \retval 0 on success
4320 * \retval 1 on buffer full
4322 static int osd_ldiskfs_filldir(char *buf, const char *name, int namelen,
4323 loff_t offset, __u64 ino,
4326 struct osd_it_ea *it = (struct osd_it_ea *)buf;
4327 struct osd_object *obj = it->oie_obj;
4328 struct osd_it_ea_dirent *ent = it->oie_dirent;
4329 struct lu_fid *fid = &ent->oied_fid;
4330 struct osd_fid_pack *rec;
4333 /* this should never happen */
4334 if (unlikely(namelen == 0 || namelen > LDISKFS_NAME_LEN)) {
4335 CERROR("ldiskfs return invalid namelen %d\n", namelen);
4339 if ((void *) ent - it->oie_buf + sizeof(*ent) + namelen >
4343 /* "." is just the object itself. */
4344 if (namelen == 1 && name[0] == '.') {
4345 *fid = obj->oo_dt.do_lu.lo_header->loh_fid;
4346 } else if (d_type & LDISKFS_DIRENT_LUFID) {
4347 rec = (struct osd_fid_pack*) (name + namelen + 1);
4348 if (osd_fid_unpack(fid, rec) != 0)
4353 d_type &= ~LDISKFS_DIRENT_LUFID;
4355 /* NOT export local root. */
4356 if (unlikely(osd_sb(osd_obj2dev(obj))->s_root->d_inode->i_ino == ino)) {
4357 ino = obj->oo_inode->i_ino;
4358 *fid = obj->oo_dt.do_lu.lo_header->loh_fid;
4361 ent->oied_ino = ino;
4362 ent->oied_off = offset;
4363 ent->oied_namelen = namelen;
4364 ent->oied_type = d_type;
4366 memcpy(ent->oied_name, name, namelen);
4368 it->oie_rd_dirent++;
4369 it->oie_dirent = (void *) ent + cfs_size_round(sizeof(*ent) + namelen);
4374 * Calls ->readdir() to load a directory entry at a time
4375 * and stored it in iterator's in-memory data structure.
4377 * \param di iterator's in memory structure
4379 * \retval 0 on success
4380 * \retval -ve on error
4382 static int osd_ldiskfs_it_fill(const struct lu_env *env,
4383 const struct dt_it *di)
4385 struct osd_it_ea *it = (struct osd_it_ea *)di;
4386 struct osd_object *obj = it->oie_obj;
4387 struct inode *inode = obj->oo_inode;
4388 struct htree_lock *hlock = NULL;
4392 it->oie_dirent = it->oie_buf;
4393 it->oie_rd_dirent = 0;
4395 if (obj->oo_hl_head != NULL) {
4396 hlock = osd_oti_get(env)->oti_hlock;
4397 ldiskfs_htree_lock(hlock, obj->oo_hl_head,
4398 inode, LDISKFS_HLOCK_READDIR);
4400 down_read(&obj->oo_ext_idx_sem);
4403 result = inode->i_fop->readdir(&it->oie_file, it,
4404 (filldir_t) osd_ldiskfs_filldir);
4407 ldiskfs_htree_unlock(hlock);
4409 up_read(&obj->oo_ext_idx_sem);
4411 if (it->oie_rd_dirent == 0) {
4414 it->oie_dirent = it->oie_buf;
4415 it->oie_it_dirent = 1;
4422 * It calls osd_ldiskfs_it_fill() which will use ->readdir()
4423 * to load a directory entry at a time and stored it in
4424 * iterator's in-memory data structure.
4426 * \param di iterator's in memory structure
4428 * \retval +ve iterator reached to end
4429 * \retval 0 iterator not reached to end
4430 * \retval -ve on error
4432 static int osd_it_ea_next(const struct lu_env *env, struct dt_it *di)
4434 struct osd_it_ea *it = (struct osd_it_ea *)di;
4439 if (it->oie_it_dirent < it->oie_rd_dirent) {
4441 (void *) it->oie_dirent +
4442 cfs_size_round(sizeof(struct osd_it_ea_dirent) +
4443 it->oie_dirent->oied_namelen);
4444 it->oie_it_dirent++;
4447 if (it->oie_file.f_pos == ldiskfs_get_htree_eof(&it->oie_file))
4450 rc = osd_ldiskfs_it_fill(env, di);
4457 * Returns the key at current position from iterator's in memory structure.
4459 * \param di iterator's in memory structure
4461 * \retval key i.e. struct dt_key on success
4463 static struct dt_key *osd_it_ea_key(const struct lu_env *env,
4464 const struct dt_it *di)
4466 struct osd_it_ea *it = (struct osd_it_ea *)di;
4468 return (struct dt_key *)it->oie_dirent->oied_name;
4472 * Returns the key's size at current position from iterator's in memory structure.
4474 * \param di iterator's in memory structure
4476 * \retval key_size i.e. struct dt_key on success
4478 static int osd_it_ea_key_size(const struct lu_env *env, const struct dt_it *di)
4480 struct osd_it_ea *it = (struct osd_it_ea *)di;
4482 return it->oie_dirent->oied_namelen;
4486 osd_dirent_update(handle_t *jh, struct super_block *sb,
4487 struct osd_it_ea_dirent *ent, struct lu_fid *fid,
4488 struct buffer_head *bh, struct ldiskfs_dir_entry_2 *de)
4490 struct osd_fid_pack *rec;
4494 LASSERT(de->file_type & LDISKFS_DIRENT_LUFID);
4495 LASSERT(de->rec_len >= de->name_len + sizeof(struct osd_fid_pack));
4497 rc = ldiskfs_journal_get_write_access(jh, bh);
4499 CERROR("%.16s: fail to write access for update dirent: "
4500 "name = %.*s, rc = %d\n",
4501 LDISKFS_SB(sb)->s_es->s_volume_name,
4502 ent->oied_namelen, ent->oied_name, rc);
4506 rec = (struct osd_fid_pack *)(de->name + de->name_len + 1);
4507 fid_cpu_to_be((struct lu_fid *)rec->fp_area, fid);
4508 rc = ldiskfs_journal_dirty_metadata(jh, bh);
4510 CERROR("%.16s: fail to dirty metadata for update dirent: "
4511 "name = %.*s, rc = %d\n",
4512 LDISKFS_SB(sb)->s_es->s_volume_name,
4513 ent->oied_namelen, ent->oied_name, rc);
4519 osd_dirent_has_space(__u16 reclen, __u16 namelen, unsigned blocksize)
4521 if (ldiskfs_rec_len_from_disk(reclen, blocksize) >=
4522 __LDISKFS_DIR_REC_LEN(namelen + 1 + sizeof(struct osd_fid_pack)))
4529 osd_dirent_reinsert(const struct lu_env *env, handle_t *jh,
4530 struct inode *dir, struct inode *inode,
4531 struct osd_it_ea_dirent *ent, struct lu_fid *fid,
4532 struct buffer_head *bh, struct ldiskfs_dir_entry_2 *de,
4533 struct htree_lock *hlock)
4535 struct dentry *dentry;
4536 struct osd_fid_pack *rec;
4537 struct ldiskfs_dentry_param *ldp;
4541 if (!LDISKFS_HAS_INCOMPAT_FEATURE(inode->i_sb,
4542 LDISKFS_FEATURE_INCOMPAT_DIRDATA))
4545 /* There is enough space to hold the FID-in-dirent. */
4546 if (osd_dirent_has_space(de->rec_len, ent->oied_namelen,
4547 dir->i_sb->s_blocksize)) {
4548 rc = ldiskfs_journal_get_write_access(jh, bh);
4550 CERROR("%.16s: fail to write access for reinsert "
4551 "dirent: name = %.*s, rc = %d\n",
4552 LDISKFS_SB(inode->i_sb)->s_es->s_volume_name,
4553 ent->oied_namelen, ent->oied_name, rc);
4557 de->name[de->name_len] = 0;
4558 rec = (struct osd_fid_pack *)(de->name + de->name_len + 1);
4559 rec->fp_len = sizeof(struct lu_fid) + 1;
4560 fid_cpu_to_be((struct lu_fid *)rec->fp_area, fid);
4561 de->file_type |= LDISKFS_DIRENT_LUFID;
4563 rc = ldiskfs_journal_dirty_metadata(jh, bh);
4565 CERROR("%.16s: fail to dirty metadata for reinsert "
4566 "dirent: name = %.*s, rc = %d\n",
4567 LDISKFS_SB(inode->i_sb)->s_es->s_volume_name,
4568 ent->oied_namelen, ent->oied_name, rc);
4573 rc = ldiskfs_delete_entry(jh, dir, de, bh);
4575 CERROR("%.16s: fail to delete entry for reinsert dirent: "
4576 "name = %.*s, rc = %d\n",
4577 LDISKFS_SB(inode->i_sb)->s_es->s_volume_name,
4578 ent->oied_namelen, ent->oied_name, rc);
4582 dentry = osd_child_dentry_by_inode(env, dir, ent->oied_name,
4584 ldp = (struct ldiskfs_dentry_param *)osd_oti_get(env)->oti_ldp;
4585 osd_get_ldiskfs_dirent_param(ldp, (const struct dt_rec *)fid);
4586 dentry->d_fsdata = (void *)ldp;
4587 ll_vfs_dq_init(dir);
4588 rc = osd_ldiskfs_add_entry(jh, dentry, inode, hlock);
4589 /* It is too bad, we cannot reinsert the name entry back.
4590 * That means we lose it! */
4592 CERROR("%.16s: fail to insert entry for reinsert dirent: "
4593 "name = %.*s, rc = %d\n",
4594 LDISKFS_SB(inode->i_sb)->s_es->s_volume_name,
4595 ent->oied_namelen, ent->oied_name, rc);
4601 osd_dirent_check_repair(const struct lu_env *env, struct osd_object *obj,
4602 struct osd_it_ea *it, struct lu_fid *fid,
4603 struct osd_inode_id *id, __u32 *attr)
4605 struct osd_thread_info *info = osd_oti_get(env);
4606 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
4607 struct osd_device *dev = osd_obj2dev(obj);
4608 struct super_block *sb = osd_sb(dev);
4609 const char *devname =
4610 LDISKFS_SB(sb)->s_es->s_volume_name;
4611 struct osd_it_ea_dirent *ent = it->oie_dirent;
4612 struct inode *dir = obj->oo_inode;
4613 struct htree_lock *hlock = NULL;
4614 struct buffer_head *bh = NULL;
4615 handle_t *jh = NULL;
4616 struct ldiskfs_dir_entry_2 *de;
4617 struct dentry *dentry;
4618 struct inode *inode;
4622 bool is_dotdot = false;
4625 if (ent->oied_name[0] == '.') {
4626 /* Skip dot entry, even if it has stale FID-in-dirent, because
4627 * we do not use such FID-in-dirent anymore, it is harmless. */
4628 if (ent->oied_namelen == 1)
4631 if (ent->oied_namelen == 2 && ent->oied_name[1] == '.')
4635 dentry = osd_child_dentry_get(env, obj, ent->oied_name,
4638 /* We need to ensure that the name entry is still valid.
4639 * Because it may be removed or renamed by other already.
4641 * The unlink or rename operation will start journal before PDO lock,
4642 * so to avoid deadlock, here we need to start journal handle before
4643 * related PDO lock also. But because we do not know whether there
4644 * will be something to be repaired before PDO lock, we just start
4645 * journal without conditions.
4647 * We may need to remove the name entry firstly, then insert back.
4648 * One credit is for user quota file update.
4649 * One credit is for group quota file update.
4650 * Two credits are for dirty inode. */
4651 credits = osd_dto_credits_noquota[DTO_INDEX_DELETE] +
4652 osd_dto_credits_noquota[DTO_INDEX_INSERT] + 1 + 1 + 2;
4655 if (dev->od_dirent_journal) {
4656 jh = ldiskfs_journal_start_sb(sb, credits);
4659 CERROR("%.16s: fail to start trans for dirent "
4660 "check_repair: credits %d, name %.*s, rc %d\n",
4661 devname, credits, ent->oied_namelen,
4662 ent->oied_name, rc);
4667 if (obj->oo_hl_head != NULL) {
4668 hlock = osd_oti_get(env)->oti_hlock;
4669 ldiskfs_htree_lock(hlock, obj->oo_hl_head, dir,
4672 down_write(&obj->oo_ext_idx_sem);
4675 bh = osd_ldiskfs_find_entry(dir, dentry, &de, hlock);
4676 /* For dotdot entry, if there is not enough space to hold FID-in-dirent,
4677 * just keep it there. It only happens when the device upgraded from 1.8
4678 * or restored from MDT file-level backup. For the whole directory, only
4679 * dotdot entry has no FID-in-dirent and needs to get FID from LMA when
4680 * readdir, it will not affect the performance much. */
4681 if ((bh == NULL) || (le32_to_cpu(de->inode) != ent->oied_ino) ||
4682 (is_dotdot && !osd_dirent_has_space(de->rec_len,
4684 sb->s_blocksize))) {
4685 *attr |= LUDA_IGNORE;
4686 GOTO(out_journal, rc = 0);
4689 osd_id_gen(id, ent->oied_ino, OSD_OII_NOGEN);
4690 inode = osd_iget(info, dev, id);
4691 if (IS_ERR(inode)) {
4692 rc = PTR_ERR(inode);
4693 if (rc == -ENOENT || rc == -ESTALE) {
4694 *attr |= LUDA_IGNORE;
4698 GOTO(out_journal, rc);
4701 rc = osd_get_lma(info, inode, &info->oti_obj_dentry, lma);
4703 if (fid_is_sane(fid)) {
4704 /* FID-in-dirent is valid. */
4705 if (lu_fid_eq(fid, &lma->lma_self_fid))
4706 GOTO(out_inode, rc = 0);
4708 /* Do not repair under dryrun mode. */
4709 if (*attr & LUDA_VERIFY_DRYRUN) {
4710 *attr |= LUDA_REPAIR;
4711 GOTO(out_inode, rc = 0);
4714 if (!dev->od_dirent_journal) {
4718 ldiskfs_htree_unlock(hlock);
4720 up_write(&obj->oo_ext_idx_sem);
4721 dev->od_dirent_journal = 1;
4725 *fid = lma->lma_self_fid;
4727 /* Update the FID-in-dirent. */
4728 rc = osd_dirent_update(jh, sb, ent, fid, bh, de);
4730 *attr |= LUDA_REPAIR;
4732 /* Do not repair under dryrun mode. */
4733 if (*attr & LUDA_VERIFY_DRYRUN) {
4734 *attr |= LUDA_REPAIR;
4735 GOTO(out_inode, rc = 0);
4738 if (!dev->od_dirent_journal) {
4742 ldiskfs_htree_unlock(hlock);
4744 up_write(&obj->oo_ext_idx_sem);
4745 dev->od_dirent_journal = 1;
4749 *fid = lma->lma_self_fid;
4751 /* Append the FID-in-dirent. */
4752 rc = osd_dirent_reinsert(env, jh, dir, inode, ent,
4753 fid, bh, de, hlock);
4755 *attr |= LUDA_REPAIR;
4757 } else if (rc == -ENODATA) {
4758 /* Do not repair under dryrun mode. */
4759 if (*attr & LUDA_VERIFY_DRYRUN) {
4760 if (fid_is_sane(fid))
4761 *attr |= LUDA_REPAIR;
4763 *attr |= LUDA_UPGRADE;
4764 GOTO(out_inode, rc = 0);
4767 if (!dev->od_dirent_journal) {
4771 ldiskfs_htree_unlock(hlock);
4773 up_write(&obj->oo_ext_idx_sem);
4774 dev->od_dirent_journal = 1;
4779 if (unlikely(fid_is_sane(fid))) {
4780 /* FID-in-dirent exists, but FID-in-LMA is lost.
4781 * Trust the FID-in-dirent, and add FID-in-LMA. */
4782 rc = osd_ea_fid_set(info, inode, fid);
4784 *attr |= LUDA_REPAIR;
4786 lu_igif_build(fid, inode->i_ino, inode->i_generation);
4787 /* It is probably IGIF object. Only aappend the
4788 * FID-in-dirent. OI scrub will process FID-in-LMA. */
4789 rc = osd_dirent_reinsert(env, jh, dir, inode, ent,
4790 fid, bh, de, hlock);
4792 *attr |= LUDA_UPGRADE;
4796 GOTO(out_inode, rc);
4804 ldiskfs_htree_unlock(hlock);
4806 up_write(&obj->oo_ext_idx_sem);
4808 ldiskfs_journal_stop(jh);
4809 if (rc >= 0 && !dirty)
4810 dev->od_dirent_journal = 0;
4815 * Returns the value at current position from iterator's in memory structure.
4817 * \param di struct osd_it_ea, iterator's in memory structure
4818 * \param attr attr requested for dirent.
4819 * \param lde lustre dirent
4821 * \retval 0 no error and \param lde has correct lustre dirent.
4822 * \retval -ve on error
4824 static inline int osd_it_ea_rec(const struct lu_env *env,
4825 const struct dt_it *di,
4826 struct dt_rec *dtrec, __u32 attr)
4828 struct osd_it_ea *it = (struct osd_it_ea *)di;
4829 struct osd_object *obj = it->oie_obj;
4830 struct osd_device *dev = osd_obj2dev(obj);
4831 struct osd_scrub *scrub = &dev->od_scrub;
4832 struct scrub_file *sf = &scrub->os_file;
4833 struct osd_thread_info *oti = osd_oti_get(env);
4834 struct osd_inode_id *id = &oti->oti_id;
4835 struct osd_idmap_cache *oic = &oti->oti_cache;
4836 struct lu_fid *fid = &it->oie_dirent->oied_fid;
4837 struct lu_dirent *lde = (struct lu_dirent *)dtrec;
4838 __u32 ino = it->oie_dirent->oied_ino;
4842 if (attr & LUDA_VERIFY) {
4844 if (unlikely(ino == osd_sb(dev)->s_root->d_inode->i_ino)) {
4845 attr |= LUDA_IGNORE;
4850 rc = osd_dirent_check_repair(env, obj, it, fid, id, &attr);
4852 attr &= ~LU_DIRENT_ATTRS_MASK;
4853 if (!fid_is_sane(fid)) {
4854 if (OBD_FAIL_CHECK(OBD_FAIL_FID_LOOKUP))
4857 rc = osd_ea_fid_get(env, obj, ino, fid, id);
4859 osd_id_gen(id, ino, OSD_OII_NOGEN);
4867 osd_it_pack_dirent(lde, fid, it->oie_dirent->oied_off,
4868 it->oie_dirent->oied_name,
4869 it->oie_dirent->oied_namelen,
4870 it->oie_dirent->oied_type, attr);
4872 if (osd_remote_fid(env, dev, fid))
4875 if (likely(!(attr & LUDA_IGNORE))) {
4877 oic->oic_fid = *fid;
4880 if (!(attr & LUDA_VERIFY) &&
4881 (scrub->os_pos_current <= ino) &&
4882 ((sf->sf_flags & SF_INCONSISTENT) ||
4883 (sf->sf_flags & SF_UPGRADE && fid_is_igif(fid)) ||
4884 ldiskfs_test_bit(osd_oi_fid2idx(dev, fid), sf->sf_oi_bitmap)))
4885 osd_consistency_check(oti, dev, oic);
4891 * Returns a cookie for current position of the iterator head, so that
4892 * user can use this cookie to load/start the iterator next time.
4894 * \param di iterator's in memory structure
4896 * \retval cookie for current position, on success
4898 static __u64 osd_it_ea_store(const struct lu_env *env, const struct dt_it *di)
4900 struct osd_it_ea *it = (struct osd_it_ea *)di;
4902 return it->oie_dirent->oied_off;
4906 * It calls osd_ldiskfs_it_fill() which will use ->readdir()
4907 * to load a directory entry at a time and stored it i inn,
4908 * in iterator's in-memory data structure.
4910 * \param di struct osd_it_ea, iterator's in memory structure
4912 * \retval +ve on success
4913 * \retval -ve on error
4915 static int osd_it_ea_load(const struct lu_env *env,
4916 const struct dt_it *di, __u64 hash)
4918 struct osd_it_ea *it = (struct osd_it_ea *)di;
4922 it->oie_file.f_pos = hash;
4924 rc = osd_ldiskfs_it_fill(env, di);
4932 * Index lookup function for interoperability mode (b11826).
4934 * \param key, key i.e. file name to be searched
4936 * \retval +ve, on success
4937 * \retval -ve, on error
4939 static int osd_index_ea_lookup(const struct lu_env *env, struct dt_object *dt,
4940 struct dt_rec *rec, const struct dt_key *key,
4941 struct lustre_capa *capa)
4943 struct osd_object *obj = osd_dt_obj(dt);
4948 LASSERT(S_ISDIR(obj->oo_inode->i_mode));
4949 LINVRNT(osd_invariant(obj));
4951 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_LOOKUP))
4954 rc = osd_ea_lookup_rec(env, obj, rec, key);
4961 * Index and Iterator operations for interoperability
4962 * mode (i.e. to run 2.0 mds on 1.8 disk) (b11826)
4964 static const struct dt_index_operations osd_index_ea_ops = {
4965 .dio_lookup = osd_index_ea_lookup,
4966 .dio_declare_insert = osd_index_declare_ea_insert,
4967 .dio_insert = osd_index_ea_insert,
4968 .dio_declare_delete = osd_index_declare_ea_delete,
4969 .dio_delete = osd_index_ea_delete,
4971 .init = osd_it_ea_init,
4972 .fini = osd_it_ea_fini,
4973 .get = osd_it_ea_get,
4974 .put = osd_it_ea_put,
4975 .next = osd_it_ea_next,
4976 .key = osd_it_ea_key,
4977 .key_size = osd_it_ea_key_size,
4978 .rec = osd_it_ea_rec,
4979 .store = osd_it_ea_store,
4980 .load = osd_it_ea_load
4984 static void *osd_key_init(const struct lu_context *ctx,
4985 struct lu_context_key *key)
4987 struct osd_thread_info *info;
4989 OBD_ALLOC_PTR(info);
4991 return ERR_PTR(-ENOMEM);
4993 OBD_ALLOC(info->oti_it_ea_buf, OSD_IT_EA_BUFSIZE);
4994 if (info->oti_it_ea_buf == NULL)
4997 info->oti_env = container_of(ctx, struct lu_env, le_ctx);
4999 info->oti_hlock = ldiskfs_htree_lock_alloc();
5000 if (info->oti_hlock == NULL)
5006 OBD_FREE(info->oti_it_ea_buf, OSD_IT_EA_BUFSIZE);
5009 return ERR_PTR(-ENOMEM);
5012 static void osd_key_fini(const struct lu_context *ctx,
5013 struct lu_context_key *key, void* data)
5015 struct osd_thread_info *info = data;
5017 if (info->oti_hlock != NULL)
5018 ldiskfs_htree_lock_free(info->oti_hlock);
5019 OBD_FREE(info->oti_it_ea_buf, OSD_IT_EA_BUFSIZE);
5023 static void osd_key_exit(const struct lu_context *ctx,
5024 struct lu_context_key *key, void *data)
5026 struct osd_thread_info *info = data;
5028 LASSERT(info->oti_r_locks == 0);
5029 LASSERT(info->oti_w_locks == 0);
5030 LASSERT(info->oti_txns == 0);
5033 /* type constructor/destructor: osd_type_init, osd_type_fini */
5034 LU_TYPE_INIT_FINI(osd, &osd_key);
5036 struct lu_context_key osd_key = {
5037 .lct_tags = LCT_DT_THREAD | LCT_MD_THREAD | LCT_MG_THREAD | LCT_LOCAL,
5038 .lct_init = osd_key_init,
5039 .lct_fini = osd_key_fini,
5040 .lct_exit = osd_key_exit
5044 static int osd_device_init(const struct lu_env *env, struct lu_device *d,
5045 const char *name, struct lu_device *next)
5047 struct osd_device *osd = osd_dev(d);
5049 strncpy(osd->od_svname, name, MAX_OBD_NAME);
5050 return osd_procfs_init(osd, name);
5053 static int osd_shutdown(const struct lu_env *env, struct osd_device *o)
5057 osd_scrub_cleanup(env, o);
5060 fsfilt_put_ops(o->od_fsops);
5064 /* shutdown quota slave instance associated with the device */
5065 if (o->od_quota_slave != NULL) {
5066 qsd_fini(env, o->od_quota_slave);
5067 o->od_quota_slave = NULL;
5073 static int osd_mount(const struct lu_env *env,
5074 struct osd_device *o, struct lustre_cfg *cfg)
5076 const char *name = lustre_cfg_string(cfg, 0);
5077 const char *dev = lustre_cfg_string(cfg, 1);
5079 unsigned long page, s_flags, lmd_flags = 0;
5080 struct page *__page;
5081 struct file_system_type *type;
5082 char *options = NULL;
5087 if (o->od_mnt != NULL)
5090 if (strlen(dev) >= sizeof(o->od_mntdev))
5092 strcpy(o->od_mntdev, dev);
5094 o->od_fsops = fsfilt_get_ops(mt_str(LDD_MT_LDISKFS));
5095 if (o->od_fsops == NULL) {
5096 CERROR("Can't find fsfilt_ldiskfs\n");
5100 OBD_PAGE_ALLOC(__page, CFS_ALLOC_STD);
5102 GOTO(out, rc = -ENOMEM);
5104 str = lustre_cfg_string(cfg, 2);
5105 s_flags = simple_strtoul(str, NULL, 0);
5106 str = strstr(str, ":");
5108 lmd_flags = simple_strtoul(str + 1, NULL, 0);
5109 opts = lustre_cfg_string(cfg, 3);
5110 page = (unsigned long)cfs_page_address(__page);
5111 options = (char *)page;
5114 strcat(options, "user_xattr,acl");
5116 strcat(options, opts);
5118 /* Glom up mount options */
5119 if (*options != '\0')
5120 strcat(options, ",");
5121 strlcat(options, "no_mbcache", CFS_PAGE_SIZE);
5123 type = get_fs_type("ldiskfs");
5125 CERROR("%s: cannot find ldiskfs module\n", name);
5126 GOTO(out, rc = -ENODEV);
5129 o->od_mnt = vfs_kern_mount(type, s_flags, dev, options);
5130 cfs_module_put(type->owner);
5132 if (IS_ERR(o->od_mnt)) {
5133 rc = PTR_ERR(o->od_mnt);
5134 CERROR("%s: can't mount %s: %d\n", name, dev, rc);
5139 if (lvfs_check_rdonly(o->od_mnt->mnt_sb->s_bdev)) {
5140 CERROR("%s: underlying device %s is marked as read-only. "
5141 "Setup failed\n", name, dev);
5144 GOTO(out, rc = -EROFS);
5147 if (!LDISKFS_HAS_COMPAT_FEATURE(o->od_mnt->mnt_sb,
5148 LDISKFS_FEATURE_COMPAT_HAS_JOURNAL)) {
5149 CERROR("%s: device %s is mounted w/o journal\n", name, dev);
5152 GOTO(out, rc = -EINVAL);
5155 ldiskfs_set_inode_state(osd_sb(o)->s_root->d_inode,
5156 LDISKFS_STATE_LUSTRE_NO_OI);
5157 if (lmd_flags & LMD_FLG_NOSCRUB)
5162 OBD_PAGE_FREE(__page);
5164 fsfilt_put_ops(o->od_fsops);
5169 static struct lu_device *osd_device_fini(const struct lu_env *env,
5170 struct lu_device *d)
5175 rc = osd_shutdown(env, osd_dev(d));
5177 osd_obj_map_fini(osd_dev(d));
5179 shrink_dcache_sb(osd_sb(osd_dev(d)));
5180 osd_sync(env, lu2dt_dev(d));
5182 rc = osd_procfs_fini(osd_dev(d));
5184 CERROR("proc fini error %d \n", rc);
5185 RETURN (ERR_PTR(rc));
5188 if (osd_dev(d)->od_mnt) {
5189 mntput(osd_dev(d)->od_mnt);
5190 osd_dev(d)->od_mnt = NULL;
5196 static int osd_device_init0(const struct lu_env *env,
5197 struct osd_device *o,
5198 struct lustre_cfg *cfg)
5200 struct lu_device *l = osd2lu_dev(o);
5201 struct osd_thread_info *info;
5204 /* if the module was re-loaded, env can loose its keys */
5205 rc = lu_env_refill((struct lu_env *) env);
5208 info = osd_oti_get(env);
5211 l->ld_ops = &osd_lu_ops;
5212 o->od_dt_dev.dd_ops = &osd_dt_ops;
5214 spin_lock_init(&o->od_osfs_lock);
5215 mutex_init(&o->od_otable_mutex);
5216 o->od_osfs_age = cfs_time_shift_64(-1000);
5218 o->od_capa_hash = init_capa_hash();
5219 if (o->od_capa_hash == NULL)
5220 GOTO(out, rc = -ENOMEM);
5222 o->od_read_cache = 1;
5223 o->od_writethrough_cache = 1;
5224 o->od_readcache_max_filesize = OSD_MAX_CACHE_SIZE;
5226 rc = osd_mount(env, o, cfg);
5230 CFS_INIT_LIST_HEAD(&o->od_ios_list);
5231 /* setup scrub, including OI files initialization */
5232 rc = osd_scrub_setup(env, o);
5236 strncpy(o->od_svname, lustre_cfg_string(cfg, 4),
5237 sizeof(o->od_svname) - 1);
5239 rc = osd_obj_map_init(o);
5241 GOTO(out_scrub, rc);
5243 rc = lu_site_init(&o->od_site, l);
5245 GOTO(out_compat, rc);
5246 o->od_site.ls_bottom_dev = l;
5248 rc = lu_site_init_finish(&o->od_site);
5252 rc = osd_procfs_init(o, o->od_svname);
5254 CERROR("%s: can't initialize procfs: rc = %d\n",
5259 LASSERT(l->ld_site->ls_linkage.next && l->ld_site->ls_linkage.prev);
5261 /* initialize quota slave instance */
5262 o->od_quota_slave = qsd_init(env, o->od_svname, &o->od_dt_dev,
5264 if (IS_ERR(o->od_quota_slave)) {
5265 rc = PTR_ERR(o->od_quota_slave);
5266 o->od_quota_slave = NULL;
5267 GOTO(out_procfs, rc);
5274 lu_site_fini(&o->od_site);
5276 osd_obj_map_fini(o);
5278 osd_scrub_cleanup(env, o);
5280 osd_oi_fini(info, o);
5281 osd_shutdown(env, o);
5285 cleanup_capa_hash(o->od_capa_hash);
5290 static struct lu_device *osd_device_alloc(const struct lu_env *env,
5291 struct lu_device_type *t,
5292 struct lustre_cfg *cfg)
5294 struct osd_device *o;
5299 return ERR_PTR(-ENOMEM);
5301 rc = dt_device_init(&o->od_dt_dev, t);
5303 /* Because the ctx might be revived in dt_device_init,
5304 * refill the env here */
5305 lu_env_refill((struct lu_env *)env);
5306 rc = osd_device_init0(env, o, cfg);
5308 dt_device_fini(&o->od_dt_dev);
5311 if (unlikely(rc != 0))
5314 return rc == 0 ? osd2lu_dev(o) : ERR_PTR(rc);
5317 static struct lu_device *osd_device_free(const struct lu_env *env,
5318 struct lu_device *d)
5320 struct osd_device *o = osd_dev(d);
5323 cleanup_capa_hash(o->od_capa_hash);
5324 /* XXX: make osd top device in order to release reference */
5325 d->ld_site->ls_top_dev = d;
5326 lu_site_purge(env, d->ld_site, -1);
5327 if (!cfs_hash_is_empty(d->ld_site->ls_obj_hash)) {
5328 LIBCFS_DEBUG_MSG_DATA_DECL(msgdata, D_ERROR, NULL);
5329 lu_site_print(env, d->ld_site, &msgdata, lu_cdebug_printer);
5331 lu_site_fini(&o->od_site);
5332 dt_device_fini(&o->od_dt_dev);
5337 static int osd_process_config(const struct lu_env *env,
5338 struct lu_device *d, struct lustre_cfg *cfg)
5340 struct osd_device *o = osd_dev(d);
5344 switch(cfg->lcfg_command) {
5346 err = osd_mount(env, o, cfg);
5349 lu_dev_del_linkage(d->ld_site, d);
5350 err = osd_shutdown(env, o);
5359 static int osd_recovery_complete(const struct lu_env *env,
5360 struct lu_device *d)
5362 struct osd_device *osd = osd_dev(d);
5366 if (osd->od_quota_slave == NULL)
5369 /* start qsd instance on recovery completion, this notifies the quota
5370 * slave code that we are about to process new requests now */
5371 rc = qsd_start(env, osd->od_quota_slave);
5376 * we use exports to track all osd users
5378 static int osd_obd_connect(const struct lu_env *env, struct obd_export **exp,
5379 struct obd_device *obd, struct obd_uuid *cluuid,
5380 struct obd_connect_data *data, void *localdata)
5382 struct osd_device *osd = osd_dev(obd->obd_lu_dev);
5383 struct lustre_handle conn;
5387 CDEBUG(D_CONFIG, "connect #%d\n", osd->od_connects);
5389 rc = class_connect(&conn, obd, cluuid);
5393 *exp = class_conn2export(&conn);
5395 spin_lock(&osd->od_osfs_lock);
5397 spin_unlock(&osd->od_osfs_lock);
5403 * once last export (we don't count self-export) disappeared
5404 * osd can be released
5406 static int osd_obd_disconnect(struct obd_export *exp)
5408 struct obd_device *obd = exp->exp_obd;
5409 struct osd_device *osd = osd_dev(obd->obd_lu_dev);
5410 int rc, release = 0;
5413 /* Only disconnect the underlying layers on the final disconnect. */
5414 spin_lock(&osd->od_osfs_lock);
5416 if (osd->od_connects == 0)
5418 spin_unlock(&osd->od_osfs_lock);
5420 rc = class_disconnect(exp); /* bz 9811 */
5422 if (rc == 0 && release)
5423 class_manual_cleanup(obd);
5427 static int osd_prepare(const struct lu_env *env, struct lu_device *pdev,
5428 struct lu_device *dev)
5430 struct osd_device *osd = osd_dev(dev);
5434 if (dev->ld_site && lu_device_is_md(dev->ld_site->ls_top_dev)) {
5435 /* MDT/MDD still use old infrastructure to create
5437 result = llo_local_objects_setup(env, lu2md_dev(pdev),
5443 if (osd->od_quota_slave != NULL)
5444 /* set up quota slave objects */
5445 result = qsd_prepare(env, osd->od_quota_slave);
5450 static const struct lu_object_operations osd_lu_obj_ops = {
5451 .loo_object_init = osd_object_init,
5452 .loo_object_delete = osd_object_delete,
5453 .loo_object_release = osd_object_release,
5454 .loo_object_free = osd_object_free,
5455 .loo_object_print = osd_object_print,
5456 .loo_object_invariant = osd_object_invariant
5459 const struct lu_device_operations osd_lu_ops = {
5460 .ldo_object_alloc = osd_object_alloc,
5461 .ldo_process_config = osd_process_config,
5462 .ldo_recovery_complete = osd_recovery_complete,
5463 .ldo_prepare = osd_prepare,
5466 static const struct lu_device_type_operations osd_device_type_ops = {
5467 .ldto_init = osd_type_init,
5468 .ldto_fini = osd_type_fini,
5470 .ldto_start = osd_type_start,
5471 .ldto_stop = osd_type_stop,
5473 .ldto_device_alloc = osd_device_alloc,
5474 .ldto_device_free = osd_device_free,
5476 .ldto_device_init = osd_device_init,
5477 .ldto_device_fini = osd_device_fini
5480 struct lu_device_type osd_device_type = {
5481 .ldt_tags = LU_DEVICE_DT,
5482 .ldt_name = LUSTRE_OSD_LDISKFS_NAME,
5483 .ldt_ops = &osd_device_type_ops,
5484 .ldt_ctx_tags = LCT_LOCAL,
5488 * lprocfs legacy support.
5490 static struct obd_ops osd_obd_device_ops = {
5491 .o_owner = THIS_MODULE,
5492 .o_connect = osd_obd_connect,
5493 .o_disconnect = osd_obd_disconnect
5496 static int __init osd_mod_init(void)
5498 struct lprocfs_static_vars lvars;
5501 lprocfs_osd_init_vars(&lvars);
5502 return class_register_type(&osd_obd_device_ops, NULL, lvars.module_vars,
5503 LUSTRE_OSD_LDISKFS_NAME, &osd_device_type);
5506 static void __exit osd_mod_exit(void)
5508 class_unregister_type(LUSTRE_OSD_LDISKFS_NAME);
5511 MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
5512 MODULE_DESCRIPTION("Lustre Object Storage Device ("LUSTRE_OSD_LDISKFS_NAME")");
5513 MODULE_LICENSE("GPL");
5515 cfs_module(osd, "0.1.0", osd_mod_init, osd_mod_exit);