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>
58 * struct OBD_{ALLOC,FREE}*()
61 #include <obd_support.h>
62 /* struct ptlrpc_thread */
63 #include <lustre_net.h>
64 #include <lustre_fid.h>
66 #include "osd_internal.h"
68 /* llo_* api support */
69 #include <md_object.h>
70 #include <lustre_quota.h>
73 CFS_MODULE_PARM(ldiskfs_pdo, "i", int, 0644,
74 "ldiskfs with parallel directory operations");
76 static const char dot[] = ".";
77 static const char dotdot[] = "..";
78 static const char remote_obj_dir[] = "REM_OBJ_DIR";
80 static const struct lu_object_operations osd_lu_obj_ops;
81 static const struct dt_object_operations osd_obj_ops;
82 static const struct dt_object_operations osd_obj_ea_ops;
83 static const struct dt_object_operations osd_obj_otable_it_ops;
84 static const struct dt_index_operations osd_index_iam_ops;
85 static const struct dt_index_operations osd_index_ea_ops;
87 #ifdef OSD_TRACK_DECLARES
88 int osd_trans_declare_op2rb[] = {
89 [OSD_OT_ATTR_SET] = OSD_OT_ATTR_SET,
90 [OSD_OT_PUNCH] = OSD_OT_MAX,
91 [OSD_OT_XATTR_SET] = OSD_OT_XATTR_SET,
92 [OSD_OT_CREATE] = OSD_OT_DESTROY,
93 [OSD_OT_DESTROY] = OSD_OT_CREATE,
94 [OSD_OT_REF_ADD] = OSD_OT_REF_DEL,
95 [OSD_OT_REF_DEL] = OSD_OT_REF_ADD,
96 [OSD_OT_WRITE] = OSD_OT_WRITE,
97 [OSD_OT_INSERT] = OSD_OT_DELETE,
98 [OSD_OT_DELETE] = OSD_OT_INSERT,
99 [OSD_OT_QUOTA] = OSD_OT_MAX,
103 static int osd_has_index(const struct osd_object *obj)
105 return obj->oo_dt.do_index_ops != NULL;
108 static int osd_object_invariant(const struct lu_object *l)
110 return osd_invariant(osd_obj(l));
114 * Concurrency: doesn't matter
116 static int osd_read_locked(const struct lu_env *env, struct osd_object *o)
118 return osd_oti_get(env)->oti_r_locks > 0;
122 * Concurrency: doesn't matter
124 static int osd_write_locked(const struct lu_env *env, struct osd_object *o)
126 struct osd_thread_info *oti = osd_oti_get(env);
127 return oti->oti_w_locks > 0 && o->oo_owner == env;
131 * Concurrency: doesn't access mutable data
133 static int osd_root_get(const struct lu_env *env,
134 struct dt_device *dev, struct lu_fid *f)
136 lu_local_obj_fid(f, OSD_FS_ROOT_OID);
141 * OSD object methods.
145 * Concurrency: no concurrent access is possible that early in object
148 static struct lu_object *osd_object_alloc(const struct lu_env *env,
149 const struct lu_object_header *hdr,
152 struct osd_object *mo;
158 l = &mo->oo_dt.do_lu;
159 dt_object_init(&mo->oo_dt, NULL, d);
160 mo->oo_dt.do_ops = &osd_obj_ea_ops;
161 l->lo_ops = &osd_lu_obj_ops;
162 init_rwsem(&mo->oo_sem);
163 init_rwsem(&mo->oo_ext_idx_sem);
164 spin_lock_init(&mo->oo_guard);
171 static inline int __osd_xattr_get(struct inode *inode, struct dentry *dentry,
172 const char *name, void *buf, int len)
174 dentry->d_inode = inode;
175 return inode->i_op->getxattr(dentry, name, buf, len);
178 int osd_get_lma(struct osd_thread_info *info, struct inode *inode,
179 struct dentry *dentry, struct lustre_mdt_attrs *lma)
183 rc = __osd_xattr_get(inode, dentry, XATTR_NAME_LMA, (void *)lma,
186 /* try with old lma size */
187 rc = inode->i_op->getxattr(dentry, XATTR_NAME_LMA,
188 info->oti_mdt_attrs_old,
191 memcpy(lma, info->oti_mdt_attrs_old, sizeof(*lma));
194 /* Check LMA compatibility */
195 if (lma->lma_incompat & ~cpu_to_le32(LMA_INCOMPAT_SUPP)) {
196 CWARN("%.16s: unsupported incompat LMA feature(s) "
198 LDISKFS_SB(inode->i_sb)->s_es->s_volume_name,
199 inode->i_ino, le32_to_cpu(lma->lma_incompat) &
203 lustre_lma_swab(lma);
206 } else if (rc == 0) {
214 * retrieve object from backend ext fs.
216 struct inode *osd_iget(struct osd_thread_info *info, struct osd_device *dev,
217 struct osd_inode_id *id)
219 struct inode *inode = NULL;
221 inode = ldiskfs_iget(osd_sb(dev), id->oii_ino);
223 CDEBUG(D_INODE, "no inode: ino = %u, rc = %ld\n",
224 id->oii_ino, PTR_ERR(inode));
225 } else if (id->oii_gen != OSD_OII_NOGEN &&
226 inode->i_generation != id->oii_gen) {
227 CDEBUG(D_INODE, "unmatched inode: ino = %u, gen0 = %u, "
229 id->oii_ino, id->oii_gen, inode->i_generation);
231 inode = ERR_PTR(-ESTALE);
232 } else if (inode->i_nlink == 0) {
233 /* due to parallel readdir and unlink,
234 * we can have dead inode here. */
235 CDEBUG(D_INODE, "stale inode: ino = %u\n", id->oii_ino);
236 make_bad_inode(inode);
238 inode = ERR_PTR(-ESTALE);
239 } else if (is_bad_inode(inode)) {
240 CWARN("%.16s: bad inode: ino = %u\n",
241 LDISKFS_SB(osd_sb(dev))->s_es->s_volume_name, id->oii_ino);
243 inode = ERR_PTR(-ENOENT);
245 if (id->oii_gen == OSD_OII_NOGEN)
246 osd_id_gen(id, inode->i_ino, inode->i_generation);
248 /* Do not update file c/mtime in ldiskfs.
249 * NB: we don't have any lock to protect this because we don't
250 * have reference on osd_object now, but contention with
251 * another lookup + attr_set can't happen in the tiny window
252 * between if (...) and set S_NOCMTIME. */
253 if (!(inode->i_flags & S_NOCMTIME))
254 inode->i_flags |= S_NOCMTIME;
259 static struct inode *
260 osd_iget_fid(struct osd_thread_info *info, struct osd_device *dev,
261 struct osd_inode_id *id, struct lu_fid *fid)
263 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
267 inode = osd_iget(info, dev, id);
271 rc = osd_get_lma(info, inode, &info->oti_obj_dentry, lma);
273 *fid = lma->lma_self_fid;
274 } else if (rc == -ENODATA) {
275 if (unlikely(inode == osd_sb(dev)->s_root->d_inode))
276 lu_local_obj_fid(fid, OSD_FS_ROOT_OID);
278 lu_igif_build(fid, inode->i_ino, inode->i_generation);
286 static struct inode *
287 osd_iget_verify(struct osd_thread_info *info, struct osd_device *dev,
288 struct osd_inode_id *id, const struct lu_fid *fid)
290 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
294 inode = osd_iget(info, dev, id);
298 rc = osd_get_lma(info, inode, &info->oti_obj_dentry, lma);
307 if (!lu_fid_eq(fid, &lma->lma_self_fid)) {
308 CDEBUG(D_LFSCK, "inconsistent obj: "DFID", %lu, "DFID"\n",
309 PFID(&lma->lma_self_fid), inode->i_ino, PFID(fid));
311 return ERR_PTR(-EREMCHG);
317 static int osd_fid_lookup(const struct lu_env *env, struct osd_object *obj,
318 const struct lu_fid *fid,
319 const struct lu_object_conf *conf)
321 struct osd_thread_info *info;
322 struct lu_device *ldev = obj->oo_dt.do_lu.lo_dev;
323 struct osd_device *dev;
324 struct osd_idmap_cache *oic;
325 struct osd_inode_id *id;
327 struct osd_scrub *scrub;
328 struct scrub_file *sf;
333 LINVRNT(osd_invariant(obj));
334 LASSERT(obj->oo_inode == NULL);
335 LASSERTF(fid_is_sane(fid) || fid_is_idif(fid), DFID, PFID(fid));
338 scrub = &dev->od_scrub;
339 sf = &scrub->os_file;
340 info = osd_oti_get(env);
342 oic = &info->oti_cache;
344 if (OBD_FAIL_CHECK(OBD_FAIL_OST_ENOENT))
347 /* Search order: 1. per-thread cache. */
348 if (lu_fid_eq(fid, &oic->oic_fid)) {
354 if (!cfs_list_empty(&scrub->os_inconsistent_items)) {
355 /* Search order: 2. OI scrub pending list. */
356 result = osd_oii_lookup(dev, fid, id);
361 if (sf->sf_flags & SF_INCONSISTENT)
365 * Objects are created as locking anchors or place holders for objects
366 * yet to be created. No need to osd_oi_lookup() at here because FID
367 * shouldn't never be re-used, if it's really a duplicate FID from
368 * unexpected reason, we should be able to detect it later by calling
369 * do_create->osd_oi_insert()
371 if (conf != NULL && conf->loc_flags & LOC_F_NEW)
372 GOTO(out, result = 0);
374 /* Search order: 3. OI files. */
375 result = osd_oi_lookup(info, dev, fid, id, true);
376 if (result == -ENOENT) {
377 if (!fid_is_norm(fid) || fid_is_on_ost(info, dev, fid) ||
378 !ldiskfs_test_bit(osd_oi_fid2idx(dev,fid),
380 GOTO(out, result = 0);
390 inode = osd_iget(info, dev, id);
392 inode = osd_iget_verify(info, dev, id, fid);
394 result = PTR_ERR(inode);
395 if (result == -ENOENT || result == -ESTALE) {
396 fid_zero(&oic->oic_fid);
398 } else if (result == -EREMCHG) {
401 if (thread_is_running(&scrub->os_thread)) {
402 result = -EINPROGRESS;
403 } else if (!dev->od_noscrub) {
404 result = osd_scrub_start(dev);
405 LCONSOLE_ERROR("%.16s: trigger OI scrub by RPC "
406 "for "DFID", rc = %d [1]\n",
407 LDISKFS_SB(osd_sb(dev))->s_es->\
408 s_volume_name,PFID(fid), result);
409 if (result == 0 || result == -EALREADY)
410 result = -EINPROGRESS;
419 obj->oo_inode = inode;
420 LASSERT(obj->oo_inode->i_sb == osd_sb(dev));
422 obj->oo_compat_dot_created = 1;
423 obj->oo_compat_dotdot_created = 1;
425 if (!S_ISDIR(inode->i_mode) || !ldiskfs_pdo) /* done */
426 GOTO(out, result = 0);
428 LASSERT(obj->oo_hl_head == NULL);
429 obj->oo_hl_head = ldiskfs_htree_lock_head_alloc(HTREE_HBITS_DEF);
430 if (obj->oo_hl_head == NULL) {
431 obj->oo_inode = NULL;
433 GOTO(out, result = -ENOMEM);
435 GOTO(out, result = 0);
438 LINVRNT(osd_invariant(obj));
443 * Concurrency: shouldn't matter.
445 static void osd_object_init0(struct osd_object *obj)
447 LASSERT(obj->oo_inode != NULL);
448 obj->oo_dt.do_body_ops = &osd_body_ops;
449 obj->oo_dt.do_lu.lo_header->loh_attr |=
450 (LOHA_EXISTS | (obj->oo_inode->i_mode & S_IFMT));
454 * Concurrency: no concurrent access is possible that early in object
457 static int osd_object_init(const struct lu_env *env, struct lu_object *l,
458 const struct lu_object_conf *conf)
460 struct osd_object *obj = osd_obj(l);
463 LINVRNT(osd_invariant(obj));
465 if (fid_is_otable_it(&l->lo_header->loh_fid)) {
466 obj->oo_dt.do_ops = &osd_obj_otable_it_ops;
467 l->lo_header->loh_attr |= LOHA_EXISTS;
471 result = osd_fid_lookup(env, obj, lu_object_fid(l), conf);
472 obj->oo_dt.do_body_ops = &osd_body_ops_new;
473 if (result == 0 && obj->oo_inode != NULL)
474 osd_object_init0(obj);
476 LINVRNT(osd_invariant(obj));
481 * Concurrency: no concurrent access is possible that late in object
484 static void osd_object_free(const struct lu_env *env, struct lu_object *l)
486 struct osd_object *obj = osd_obj(l);
488 LINVRNT(osd_invariant(obj));
490 dt_object_fini(&obj->oo_dt);
491 if (obj->oo_hl_head != NULL)
492 ldiskfs_htree_lock_head_free(obj->oo_hl_head);
497 * Concurrency: no concurrent access is possible that late in object
500 static void osd_index_fini(struct osd_object *o)
502 struct iam_container *bag;
504 if (o->oo_dir != NULL) {
505 bag = &o->oo_dir->od_container;
506 if (o->oo_inode != NULL) {
507 if (bag->ic_object == o->oo_inode)
508 iam_container_fini(bag);
510 OBD_FREE_PTR(o->oo_dir);
516 * Concurrency: no concurrent access is possible that late in object
517 * life-cycle (for all existing callers, that is. New callers have to provide
518 * their own locking.)
520 static int osd_inode_unlinked(const struct inode *inode)
522 return inode->i_nlink == 0;
526 OSD_TXN_OI_DELETE_CREDITS = 20,
527 OSD_TXN_INODE_DELETE_CREDITS = 20
534 #if OSD_THANDLE_STATS
536 * Set time when the handle is allocated
538 static void osd_th_alloced(struct osd_thandle *oth)
540 oth->oth_alloced = cfs_time_current();
544 * Set time when the handle started
546 static void osd_th_started(struct osd_thandle *oth)
548 oth->oth_started = cfs_time_current();
552 * Helper function to convert time interval to microseconds packed in
555 static long interval_to_usec(cfs_time_t start, cfs_time_t end)
559 cfs_duration_usec(cfs_time_sub(end, start), &val);
560 return val.tv_sec * 1000000 + val.tv_usec;
564 * Check whether the we deal with this handle for too long.
566 static void __osd_th_check_slow(void *oth, struct osd_device *dev,
567 cfs_time_t alloced, cfs_time_t started,
570 cfs_time_t now = cfs_time_current();
572 LASSERT(dev != NULL);
574 lprocfs_counter_add(dev->od_stats, LPROC_OSD_THANDLE_STARTING,
575 interval_to_usec(alloced, started));
576 lprocfs_counter_add(dev->od_stats, LPROC_OSD_THANDLE_OPEN,
577 interval_to_usec(started, closed));
578 lprocfs_counter_add(dev->od_stats, LPROC_OSD_THANDLE_CLOSING,
579 interval_to_usec(closed, now));
581 if (cfs_time_before(cfs_time_add(alloced, cfs_time_seconds(30)), now)) {
582 CWARN("transaction handle %p was open for too long: "
584 "alloced "CFS_TIME_T" ,"
585 "started "CFS_TIME_T" ,"
586 "closed "CFS_TIME_T"\n",
587 oth, now, alloced, started, closed);
588 libcfs_debug_dumpstack(NULL);
592 #define OSD_CHECK_SLOW_TH(oth, dev, expr) \
594 cfs_time_t __closed = cfs_time_current(); \
595 cfs_time_t __alloced = oth->oth_alloced; \
596 cfs_time_t __started = oth->oth_started; \
599 __osd_th_check_slow(oth, dev, __alloced, __started, __closed); \
602 #else /* OSD_THANDLE_STATS */
604 #define osd_th_alloced(h) do {} while(0)
605 #define osd_th_started(h) do {} while(0)
606 #define OSD_CHECK_SLOW_TH(oth, dev, expr) expr
608 #endif /* OSD_THANDLE_STATS */
611 * Concurrency: doesn't access mutable data.
613 static int osd_param_is_not_sane(const struct osd_device *dev,
614 const struct thandle *th)
616 struct osd_thandle *oh = container_of(th, typeof(*oh), ot_super);
618 return oh->ot_credits > osd_journal(dev)->j_max_transaction_buffers;
622 * Concurrency: shouldn't matter.
624 static void osd_trans_commit_cb(struct super_block *sb,
625 struct ldiskfs_journal_cb_entry *jcb, int error)
627 struct osd_thandle *oh = container_of0(jcb, struct osd_thandle, ot_jcb);
628 struct thandle *th = &oh->ot_super;
629 struct lu_device *lud = &th->th_dev->dd_lu_dev;
630 struct dt_txn_commit_cb *dcb, *tmp;
632 LASSERT(oh->ot_handle == NULL);
635 CERROR("transaction @0x%p commit error: %d\n", th, error);
637 dt_txn_hook_commit(th);
639 /* call per-transaction callbacks if any */
640 cfs_list_for_each_entry_safe(dcb, tmp, &oh->ot_dcb_list, dcb_linkage) {
641 LASSERTF(dcb->dcb_magic == TRANS_COMMIT_CB_MAGIC,
642 "commit callback entry: magic=%x name='%s'\n",
643 dcb->dcb_magic, dcb->dcb_name);
644 cfs_list_del_init(&dcb->dcb_linkage);
645 dcb->dcb_func(NULL, th, dcb, error);
648 lu_ref_del_at(&lud->ld_reference, oh->ot_dev_link, "osd-tx", th);
652 lu_context_exit(&th->th_ctx);
653 lu_context_fini(&th->th_ctx);
657 static struct thandle *osd_trans_create(const struct lu_env *env,
660 struct osd_thread_info *oti = osd_oti_get(env);
661 struct osd_iobuf *iobuf = &oti->oti_iobuf;
662 struct osd_thandle *oh;
666 /* on pending IO in this thread should left from prev. request */
667 LASSERT(cfs_atomic_read(&iobuf->dr_numreqs) == 0);
669 th = ERR_PTR(-ENOMEM);
670 OBD_ALLOC_GFP(oh, sizeof *oh, CFS_ALLOC_IO);
672 oh->ot_quota_trans = &oti->oti_quota_trans;
673 memset(oh->ot_quota_trans, 0, sizeof(*oh->ot_quota_trans));
677 th->th_tags = LCT_TX_HANDLE;
679 oti->oti_dev = osd_dt_dev(d);
680 CFS_INIT_LIST_HEAD(&oh->ot_dcb_list);
683 memset(oti->oti_declare_ops, 0, OSD_OT_MAX);
684 memset(oti->oti_declare_ops_rb, 0, OSD_OT_MAX);
685 memset(oti->oti_declare_ops_cred, 0, OSD_OT_MAX);
686 oti->oti_rollback = false;
692 * Concurrency: shouldn't matter.
694 int osd_trans_start(const struct lu_env *env, struct dt_device *d,
697 struct osd_thread_info *oti = osd_oti_get(env);
698 struct osd_device *dev = osd_dt_dev(d);
700 struct osd_thandle *oh;
705 LASSERT(current->journal_info == NULL);
707 oh = container_of0(th, struct osd_thandle, ot_super);
709 LASSERT(oh->ot_handle == NULL);
711 rc = dt_txn_hook_start(env, d, th);
715 if (unlikely(osd_param_is_not_sane(dev, th))) {
716 static unsigned long last_printed;
717 static int last_credits;
719 CWARN("%.16s: too many transaction credits (%d > %d)\n",
720 LDISKFS_SB(osd_sb(dev))->s_es->s_volume_name,
722 osd_journal(dev)->j_max_transaction_buffers);
723 #ifdef OSD_TRACK_DECLARES
724 CWARN(" create: %u/%u, delete: %u/%u, destroy: %u/%u\n",
725 oti->oti_declare_ops[OSD_OT_CREATE],
726 oti->oti_declare_ops_cred[OSD_OT_CREATE],
727 oti->oti_declare_ops[OSD_OT_DELETE],
728 oti->oti_declare_ops_cred[OSD_OT_DELETE],
729 oti->oti_declare_ops[OSD_OT_DESTROY],
730 oti->oti_declare_ops_cred[OSD_OT_DESTROY]);
731 CWARN(" attr_set: %u/%u, xattr_set: %u/%u\n",
732 oti->oti_declare_ops[OSD_OT_ATTR_SET],
733 oti->oti_declare_ops_cred[OSD_OT_ATTR_SET],
734 oti->oti_declare_ops[OSD_OT_XATTR_SET],
735 oti->oti_declare_ops_cred[OSD_OT_XATTR_SET]);
736 CWARN(" write: %u/%u, punch: %u/%u, quota %u/%u\n",
737 oti->oti_declare_ops[OSD_OT_WRITE],
738 oti->oti_declare_ops_cred[OSD_OT_WRITE],
739 oti->oti_declare_ops[OSD_OT_PUNCH],
740 oti->oti_declare_ops_cred[OSD_OT_PUNCH],
741 oti->oti_declare_ops[OSD_OT_QUOTA],
742 oti->oti_declare_ops_cred[OSD_OT_QUOTA]);
743 CWARN(" insert: %u/%u, delete: %u/%u\n",
744 oti->oti_declare_ops[OSD_OT_INSERT],
745 oti->oti_declare_ops_cred[OSD_OT_INSERT],
746 oti->oti_declare_ops[OSD_OT_DESTROY],
747 oti->oti_declare_ops_cred[OSD_OT_DESTROY]);
748 CWARN(" ref_add: %u/%u, ref_del: %u/%u\n",
749 oti->oti_declare_ops[OSD_OT_REF_ADD],
750 oti->oti_declare_ops_cred[OSD_OT_REF_ADD],
751 oti->oti_declare_ops[OSD_OT_REF_DEL],
752 oti->oti_declare_ops_cred[OSD_OT_REF_DEL]);
754 if (last_credits != oh->ot_credits &&
755 time_after(jiffies, last_printed + 60 * HZ)) {
756 libcfs_debug_dumpstack(NULL);
757 last_credits = oh->ot_credits;
758 last_printed = jiffies;
761 /* XXX Limit the credits to 'max_transaction_buffers', and
762 * let the underlying filesystem to catch the error if
763 * we really need so many credits.
765 * This should be removed when we can calculate the
766 * credits precisely. */
767 oh->ot_credits = osd_journal(dev)->j_max_transaction_buffers;
771 * XXX temporary stuff. Some abstraction layer should
774 jh = ldiskfs_journal_start_sb(osd_sb(dev), oh->ot_credits);
778 LASSERT(oti->oti_txns == 0);
779 lu_context_init(&th->th_ctx, th->th_tags);
780 lu_context_enter(&th->th_ctx);
782 lu_device_get(&d->dd_lu_dev);
783 oh->ot_dev_link = lu_ref_add(&d->dd_lu_dev.ld_reference,
795 * Concurrency: shouldn't matter.
797 static int osd_trans_stop(const struct lu_env *env, struct thandle *th)
800 struct osd_thandle *oh;
801 struct osd_thread_info *oti = osd_oti_get(env);
802 struct osd_iobuf *iobuf = &oti->oti_iobuf;
803 struct qsd_instance *qsd = oti->oti_dev->od_quota_slave;
806 oh = container_of0(th, struct osd_thandle, ot_super);
809 /* inform the quota slave device that the transaction is
811 qsd_op_end(env, qsd, oh->ot_quota_trans);
812 oh->ot_quota_trans = NULL;
814 if (oh->ot_handle != NULL) {
815 handle_t *hdl = oh->ot_handle;
818 * add commit callback
819 * notice we don't do this in osd_trans_start()
820 * as underlying transaction can change during truncate
822 ldiskfs_journal_callback_add(hdl, osd_trans_commit_cb,
825 LASSERT(oti->oti_txns == 1);
827 rc = dt_txn_hook_stop(env, th);
829 CERROR("Failure in transaction hook: %d\n", rc);
831 /* hook functions might modify th_sync */
832 hdl->h_sync = th->th_sync;
834 oh->ot_handle = NULL;
835 OSD_CHECK_SLOW_TH(oh, oti->oti_dev,
836 rc = ldiskfs_journal_stop(hdl));
838 CERROR("Failure to stop transaction: %d\n", rc);
843 /* as we want IO to journal and data IO be concurrent, we don't block
844 * awaiting data IO completion in osd_do_bio(), instead we wait here
845 * once transaction is submitted to the journal. all reqular requests
846 * don't do direct IO (except read/write), thus this wait_event becomes
849 * IMPORTANT: we have to wait till any IO submited by the thread is
850 * completed otherwise iobuf may be corrupted by different request
852 cfs_wait_event(iobuf->dr_wait,
853 cfs_atomic_read(&iobuf->dr_numreqs) == 0);
855 rc = iobuf->dr_error;
860 static int osd_trans_cb_add(struct thandle *th, struct dt_txn_commit_cb *dcb)
862 struct osd_thandle *oh = container_of0(th, struct osd_thandle,
865 LASSERT(dcb->dcb_magic == TRANS_COMMIT_CB_MAGIC);
866 LASSERT(&dcb->dcb_func != NULL);
867 cfs_list_add(&dcb->dcb_linkage, &oh->ot_dcb_list);
873 * Called just before object is freed. Releases all resources except for
874 * object itself (that is released by osd_object_free()).
876 * Concurrency: no concurrent access is possible that late in object
879 static void osd_object_delete(const struct lu_env *env, struct lu_object *l)
881 struct osd_object *obj = osd_obj(l);
882 struct inode *inode = obj->oo_inode;
884 LINVRNT(osd_invariant(obj));
887 * If object is unlinked remove fid->ino mapping from object index.
892 struct qsd_instance *qsd = osd_obj2dev(obj)->od_quota_slave;
893 qid_t uid = inode->i_uid;
894 qid_t gid = inode->i_gid;
897 obj->oo_inode = NULL;
900 struct osd_thread_info *info = osd_oti_get(env);
901 struct lquota_id_info *qi = &info->oti_qi;
903 /* Release granted quota to master if necessary */
904 qi->lqi_id.qid_uid = uid;
905 qsd_op_adjust(env, qsd, &qi->lqi_id, USRQUOTA);
907 qi->lqi_id.qid_uid = gid;
908 qsd_op_adjust(env, qsd, &qi->lqi_id, GRPQUOTA);
914 * Concurrency: ->loo_object_release() is called under site spin-lock.
916 static void osd_object_release(const struct lu_env *env,
922 * Concurrency: shouldn't matter.
924 static int osd_object_print(const struct lu_env *env, void *cookie,
925 lu_printer_t p, const struct lu_object *l)
927 struct osd_object *o = osd_obj(l);
930 if (o->oo_dir != NULL)
931 d = o->oo_dir->od_container.ic_descr;
934 return (*p)(env, cookie,
935 LUSTRE_OSD_LDISKFS_NAME"-object@%p(i:%p:%lu/%u)[%s]",
937 o->oo_inode ? o->oo_inode->i_ino : 0UL,
938 o->oo_inode ? o->oo_inode->i_generation : 0,
939 d ? d->id_ops->id_name : "plain");
943 * Concurrency: shouldn't matter.
945 int osd_statfs(const struct lu_env *env, struct dt_device *d,
946 struct obd_statfs *sfs)
948 struct osd_device *osd = osd_dt_dev(d);
949 struct super_block *sb = osd_sb(osd);
950 struct kstatfs *ksfs;
953 if (unlikely(osd->od_mnt == NULL))
956 /* osd_lproc.c call this without env, allocate ksfs for that case */
957 if (unlikely(env == NULL)) {
962 ksfs = &osd_oti_get(env)->oti_ksfs;
965 spin_lock(&osd->od_osfs_lock);
967 if (cfs_time_before_64(osd->od_osfs_age, cfs_time_shift_64(-1))) {
968 result = sb->s_op->statfs(sb->s_root, ksfs);
969 if (likely(result == 0)) { /* N.B. statfs can't really fail */
970 osd->od_osfs_age = cfs_time_current_64();
971 statfs_pack(&osd->od_statfs, ksfs);
972 if (sb->s_flags & MS_RDONLY)
973 sfs->os_state = OS_STATE_READONLY;
977 if (likely(result == 0))
978 *sfs = osd->od_statfs;
979 spin_unlock(&osd->od_osfs_lock);
981 if (unlikely(env == NULL))
988 * Estimate space needed for file creations. We assume the largest filename
989 * which is 2^64 - 1, hence a filename of 20 chars.
990 * This is 28 bytes per object which is 28MB for 1M objects ... no so bad.
992 #ifdef __LDISKFS_DIR_REC_LEN
993 #define PER_OBJ_USAGE __LDISKFS_DIR_REC_LEN(20)
995 #define PER_OBJ_USAGE LDISKFS_DIR_REC_LEN(20)
999 * Concurrency: doesn't access mutable data.
1001 static void osd_conf_get(const struct lu_env *env,
1002 const struct dt_device *dev,
1003 struct dt_device_param *param)
1005 struct super_block *sb = osd_sb(osd_dt_dev(dev));
1008 * XXX should be taken from not-yet-existing fs abstraction layer.
1010 param->ddp_mnt = osd_dt_dev(dev)->od_mnt;
1011 param->ddp_max_name_len = LDISKFS_NAME_LEN;
1012 param->ddp_max_nlink = LDISKFS_LINK_MAX;
1013 param->ddp_block_shift = sb->s_blocksize_bits;
1014 param->ddp_mount_type = LDD_MT_LDISKFS;
1015 param->ddp_maxbytes = sb->s_maxbytes;
1016 /* Overhead estimate should be fairly accurate, so we really take a tiny
1017 * error margin which also avoids fragmenting the filesystem too much */
1018 param->ddp_grant_reserved = 2; /* end up to be 1.9% after conversion */
1019 /* inode are statically allocated, so per-inode space consumption
1020 * is the space consumed by the directory entry */
1021 param->ddp_inodespace = PER_OBJ_USAGE;
1022 /* per-fragment overhead to be used by the client code */
1023 param->ddp_grant_frag = 6 * LDISKFS_BLOCK_SIZE(sb);
1024 param->ddp_mntopts = 0;
1025 if (test_opt(sb, XATTR_USER))
1026 param->ddp_mntopts |= MNTOPT_USERXATTR;
1027 if (test_opt(sb, POSIX_ACL))
1028 param->ddp_mntopts |= MNTOPT_ACL;
1030 #if defined(LDISKFS_FEATURE_INCOMPAT_EA_INODE)
1031 if (LDISKFS_HAS_INCOMPAT_FEATURE(sb, LDISKFS_FEATURE_INCOMPAT_EA_INODE))
1032 param->ddp_max_ea_size = LDISKFS_XATTR_MAX_LARGE_EA_SIZE;
1035 param->ddp_max_ea_size = sb->s_blocksize;
1040 * Concurrency: shouldn't matter.
1042 static int osd_sync(const struct lu_env *env, struct dt_device *d)
1044 CDEBUG(D_HA, "syncing OSD %s\n", LUSTRE_OSD_LDISKFS_NAME);
1045 return ldiskfs_force_commit(osd_sb(osd_dt_dev(d)));
1049 * Start commit for OSD device.
1051 * An implementation of dt_commit_async method for OSD device.
1052 * Asychronously starts underlayng fs sync and thereby a transaction
1055 * \param env environment
1056 * \param d dt device
1058 * \see dt_device_operations
1060 static int osd_commit_async(const struct lu_env *env,
1061 struct dt_device *d)
1063 struct super_block *s = osd_sb(osd_dt_dev(d));
1066 CDEBUG(D_HA, "async commit OSD %s\n", LUSTRE_OSD_LDISKFS_NAME);
1067 RETURN(s->s_op->sync_fs(s, 0));
1071 * Concurrency: shouldn't matter.
1074 static int osd_ro(const struct lu_env *env, struct dt_device *d)
1076 struct super_block *sb = osd_sb(osd_dt_dev(d));
1077 struct block_device *dev = sb->s_bdev;
1078 #ifdef HAVE_DEV_SET_RDONLY
1079 struct block_device *jdev = LDISKFS_SB(sb)->journal_bdev;
1082 int rc = -EOPNOTSUPP;
1086 #ifdef HAVE_DEV_SET_RDONLY
1087 CERROR("*** setting %s read-only ***\n", osd_dt_dev(d)->od_svname);
1089 if (jdev && (jdev != dev)) {
1090 CDEBUG(D_IOCTL | D_HA, "set journal dev %lx rdonly\n",
1092 dev_set_rdonly(jdev);
1094 CDEBUG(D_IOCTL | D_HA, "set dev %lx rdonly\n", (long)dev);
1095 dev_set_rdonly(dev);
1097 CERROR("%s: %lx CANNOT BE SET READONLY: rc = %d\n",
1098 osd_dt_dev(d)->od_svname, (long)dev, rc);
1104 * Concurrency: serialization provided by callers.
1106 static int osd_init_capa_ctxt(const struct lu_env *env, struct dt_device *d,
1107 int mode, unsigned long timeout, __u32 alg,
1108 struct lustre_capa_key *keys)
1110 struct osd_device *dev = osd_dt_dev(d);
1113 dev->od_fl_capa = mode;
1114 dev->od_capa_timeout = timeout;
1115 dev->od_capa_alg = alg;
1116 dev->od_capa_keys = keys;
1121 * Note: we do not count into QUOTA here.
1122 * If we mount with --data_journal we may need more.
1124 const int osd_dto_credits_noquota[DTO_NR] = {
1127 * INDEX_EXTRA_TRANS_BLOCKS(8) +
1128 * SINGLEDATA_TRANS_BLOCKS(8)
1129 * XXX Note: maybe iam need more, since iam have more level than
1132 [DTO_INDEX_INSERT] = 16,
1133 [DTO_INDEX_DELETE] = 16,
1137 [DTO_INDEX_UPDATE] = 16,
1139 * Create a object. The same as create object in EXT3.
1140 * DATA_TRANS_BLOCKS(14) +
1141 * INDEX_EXTRA_BLOCKS(8) +
1142 * 3(inode bits, groups, GDT)
1144 [DTO_OBJECT_CREATE] = 25,
1146 * XXX: real credits to be fixed
1148 [DTO_OBJECT_DELETE] = 25,
1150 * Attr set credits (inode)
1152 [DTO_ATTR_SET_BASE] = 1,
1154 * Xattr set. The same as xattr of EXT3.
1155 * DATA_TRANS_BLOCKS(14)
1156 * XXX Note: in original MDS implmentation INDEX_EXTRA_TRANS_BLOCKS
1157 * are also counted in. Do not know why?
1159 [DTO_XATTR_SET] = 14,
1162 * credits for inode change during write.
1164 [DTO_WRITE_BASE] = 3,
1166 * credits for single block write.
1168 [DTO_WRITE_BLOCK] = 14,
1170 * Attr set credits for chown.
1171 * This is extra credits for setattr, and it is null without quota
1173 [DTO_ATTR_SET_CHOWN]= 0
1176 static const struct dt_device_operations osd_dt_ops = {
1177 .dt_root_get = osd_root_get,
1178 .dt_statfs = osd_statfs,
1179 .dt_trans_create = osd_trans_create,
1180 .dt_trans_start = osd_trans_start,
1181 .dt_trans_stop = osd_trans_stop,
1182 .dt_trans_cb_add = osd_trans_cb_add,
1183 .dt_conf_get = osd_conf_get,
1184 .dt_sync = osd_sync,
1186 .dt_commit_async = osd_commit_async,
1187 .dt_init_capa_ctxt = osd_init_capa_ctxt,
1190 static void osd_object_read_lock(const struct lu_env *env,
1191 struct dt_object *dt, unsigned role)
1193 struct osd_object *obj = osd_dt_obj(dt);
1194 struct osd_thread_info *oti = osd_oti_get(env);
1196 LINVRNT(osd_invariant(obj));
1198 LASSERT(obj->oo_owner != env);
1199 down_read_nested(&obj->oo_sem, role);
1201 LASSERT(obj->oo_owner == NULL);
1205 static void osd_object_write_lock(const struct lu_env *env,
1206 struct dt_object *dt, unsigned role)
1208 struct osd_object *obj = osd_dt_obj(dt);
1209 struct osd_thread_info *oti = osd_oti_get(env);
1211 LINVRNT(osd_invariant(obj));
1213 LASSERT(obj->oo_owner != env);
1214 down_write_nested(&obj->oo_sem, role);
1216 LASSERT(obj->oo_owner == NULL);
1217 obj->oo_owner = env;
1221 static void osd_object_read_unlock(const struct lu_env *env,
1222 struct dt_object *dt)
1224 struct osd_object *obj = osd_dt_obj(dt);
1225 struct osd_thread_info *oti = osd_oti_get(env);
1227 LINVRNT(osd_invariant(obj));
1229 LASSERT(oti->oti_r_locks > 0);
1231 up_read(&obj->oo_sem);
1234 static void osd_object_write_unlock(const struct lu_env *env,
1235 struct dt_object *dt)
1237 struct osd_object *obj = osd_dt_obj(dt);
1238 struct osd_thread_info *oti = osd_oti_get(env);
1240 LINVRNT(osd_invariant(obj));
1242 LASSERT(obj->oo_owner == env);
1243 LASSERT(oti->oti_w_locks > 0);
1245 obj->oo_owner = NULL;
1246 up_write(&obj->oo_sem);
1249 static int osd_object_write_locked(const struct lu_env *env,
1250 struct dt_object *dt)
1252 struct osd_object *obj = osd_dt_obj(dt);
1254 LINVRNT(osd_invariant(obj));
1256 return obj->oo_owner == env;
1259 static int capa_is_sane(const struct lu_env *env,
1260 struct osd_device *dev,
1261 struct lustre_capa *capa,
1262 struct lustre_capa_key *keys)
1264 struct osd_thread_info *oti = osd_oti_get(env);
1265 struct lustre_capa *tcapa = &oti->oti_capa;
1266 struct obd_capa *oc;
1270 oc = capa_lookup(dev->od_capa_hash, capa, 0);
1272 if (capa_is_expired(oc)) {
1273 DEBUG_CAPA(D_ERROR, capa, "expired");
1280 if (capa_is_expired_sec(capa)) {
1281 DEBUG_CAPA(D_ERROR, capa, "expired");
1285 spin_lock(&capa_lock);
1286 for (i = 0; i < 2; i++) {
1287 if (keys[i].lk_keyid == capa->lc_keyid) {
1288 oti->oti_capa_key = keys[i];
1292 spin_unlock(&capa_lock);
1295 DEBUG_CAPA(D_ERROR, capa, "no matched capa key");
1299 rc = capa_hmac(tcapa->lc_hmac, capa, oti->oti_capa_key.lk_key);
1303 if (memcmp(tcapa->lc_hmac, capa->lc_hmac, sizeof(capa->lc_hmac))) {
1304 DEBUG_CAPA(D_ERROR, capa, "HMAC mismatch");
1308 oc = capa_add(dev->od_capa_hash, capa);
1314 int osd_object_auth(const struct lu_env *env, struct dt_object *dt,
1315 struct lustre_capa *capa, __u64 opc)
1317 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
1318 struct osd_device *dev = osd_dev(dt->do_lu.lo_dev);
1319 struct md_capainfo *ci;
1322 if (!dev->od_fl_capa)
1325 if (capa == BYPASS_CAPA)
1328 ci = md_capainfo(env);
1332 if (ci->mc_auth == LC_ID_NONE)
1336 CERROR("no capability is provided for fid "DFID"\n", PFID(fid));
1340 if (!lu_fid_eq(fid, &capa->lc_fid)) {
1341 DEBUG_CAPA(D_ERROR, capa, "fid "DFID" mismatch with",
1346 if (!capa_opc_supported(capa, opc)) {
1347 DEBUG_CAPA(D_ERROR, capa, "opc "LPX64" not supported by", opc);
1351 if ((rc = capa_is_sane(env, dev, capa, dev->od_capa_keys))) {
1352 DEBUG_CAPA(D_ERROR, capa, "insane (rc %d)", rc);
1359 static struct timespec *osd_inode_time(const struct lu_env *env,
1360 struct inode *inode, __u64 seconds)
1362 struct osd_thread_info *oti = osd_oti_get(env);
1363 struct timespec *t = &oti->oti_time;
1365 t->tv_sec = seconds;
1367 *t = timespec_trunc(*t, inode->i_sb->s_time_gran);
1372 static void osd_inode_getattr(const struct lu_env *env,
1373 struct inode *inode, struct lu_attr *attr)
1375 attr->la_valid |= LA_ATIME | LA_MTIME | LA_CTIME | LA_MODE |
1376 LA_SIZE | LA_BLOCKS | LA_UID | LA_GID |
1377 LA_FLAGS | LA_NLINK | LA_RDEV | LA_BLKSIZE |
1380 attr->la_atime = LTIME_S(inode->i_atime);
1381 attr->la_mtime = LTIME_S(inode->i_mtime);
1382 attr->la_ctime = LTIME_S(inode->i_ctime);
1383 attr->la_mode = inode->i_mode;
1384 attr->la_size = i_size_read(inode);
1385 attr->la_blocks = inode->i_blocks;
1386 attr->la_uid = inode->i_uid;
1387 attr->la_gid = inode->i_gid;
1388 attr->la_flags = LDISKFS_I(inode)->i_flags;
1389 attr->la_nlink = inode->i_nlink;
1390 attr->la_rdev = inode->i_rdev;
1391 attr->la_blksize = 1 << inode->i_blkbits;
1392 attr->la_blkbits = inode->i_blkbits;
1395 static int osd_attr_get(const struct lu_env *env,
1396 struct dt_object *dt,
1397 struct lu_attr *attr,
1398 struct lustre_capa *capa)
1400 struct osd_object *obj = osd_dt_obj(dt);
1402 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
1403 LINVRNT(osd_invariant(obj));
1405 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_READ))
1408 spin_lock(&obj->oo_guard);
1409 osd_inode_getattr(env, obj->oo_inode, attr);
1410 spin_unlock(&obj->oo_guard);
1414 static int osd_declare_attr_set(const struct lu_env *env,
1415 struct dt_object *dt,
1416 const struct lu_attr *attr,
1417 struct thandle *handle)
1419 struct osd_thandle *oh;
1420 struct osd_object *obj;
1421 struct osd_thread_info *info = osd_oti_get(env);
1422 struct lquota_id_info *qi = &info->oti_qi;
1428 LASSERT(dt != NULL);
1429 LASSERT(handle != NULL);
1431 obj = osd_dt_obj(dt);
1432 LASSERT(osd_invariant(obj));
1434 oh = container_of0(handle, struct osd_thandle, ot_super);
1435 LASSERT(oh->ot_handle == NULL);
1437 osd_trans_declare_op(env, oh, OSD_OT_ATTR_SET,
1438 osd_dto_credits_noquota[DTO_ATTR_SET_BASE]);
1440 if (attr == NULL || obj->oo_inode == NULL)
1443 bspace = obj->oo_inode->i_blocks;
1444 bspace <<= obj->oo_inode->i_sb->s_blocksize_bits;
1445 bspace = toqb(bspace);
1447 /* Changing ownership is always preformed by super user, it should not
1450 * We still need to call the osd_declare_qid() to calculate the journal
1451 * credits for updating quota accounting files and to trigger quota
1452 * space adjustment once the operation is completed.*/
1453 if ((attr->la_valid & LA_UID) != 0 &&
1454 attr->la_uid != obj->oo_inode->i_uid) {
1455 qi->lqi_type = USRQUOTA;
1457 /* inode accounting */
1458 qi->lqi_is_blk = false;
1460 /* one more inode for the new owner ... */
1461 qi->lqi_id.qid_uid = attr->la_uid;
1463 allocated = (attr->la_uid == 0) ? true : false;
1464 rc = osd_declare_qid(env, oh, qi, allocated, NULL);
1465 if (rc == -EDQUOT || rc == -EINPROGRESS)
1470 /* and one less inode for the current uid */
1471 qi->lqi_id.qid_uid = obj->oo_inode->i_uid;
1473 rc = osd_declare_qid(env, oh, qi, true, NULL);
1474 if (rc == -EDQUOT || rc == -EINPROGRESS)
1479 /* block accounting */
1480 qi->lqi_is_blk = true;
1482 /* more blocks for the new owner ... */
1483 qi->lqi_id.qid_uid = attr->la_uid;
1484 qi->lqi_space = bspace;
1485 allocated = (attr->la_uid == 0) ? true : false;
1486 rc = osd_declare_qid(env, oh, qi, allocated, NULL);
1487 if (rc == -EDQUOT || rc == -EINPROGRESS)
1492 /* and finally less blocks for the current owner */
1493 qi->lqi_id.qid_uid = obj->oo_inode->i_uid;
1494 qi->lqi_space = -bspace;
1495 rc = osd_declare_qid(env, oh, qi, true, NULL);
1496 if (rc == -EDQUOT || rc == -EINPROGRESS)
1502 if (attr->la_valid & LA_GID &&
1503 attr->la_gid != obj->oo_inode->i_gid) {
1504 qi->lqi_type = GRPQUOTA;
1506 /* inode accounting */
1507 qi->lqi_is_blk = false;
1509 /* one more inode for the new group owner ... */
1510 qi->lqi_id.qid_gid = attr->la_gid;
1512 allocated = (attr->la_gid == 0) ? true : false;
1513 rc = osd_declare_qid(env, oh, qi, allocated, NULL);
1514 if (rc == -EDQUOT || rc == -EINPROGRESS)
1519 /* and one less inode for the current gid */
1520 qi->lqi_id.qid_gid = obj->oo_inode->i_gid;
1522 rc = osd_declare_qid(env, oh, qi, true, NULL);
1523 if (rc == -EDQUOT || rc == -EINPROGRESS)
1528 /* block accounting */
1529 qi->lqi_is_blk = true;
1531 /* more blocks for the new owner ... */
1532 qi->lqi_id.qid_gid = attr->la_gid;
1533 qi->lqi_space = bspace;
1534 allocated = (attr->la_gid == 0) ? true : false;
1535 rc = osd_declare_qid(env, oh, qi, allocated, NULL);
1536 if (rc == -EDQUOT || rc == -EINPROGRESS)
1541 /* and finally less blocks for the current owner */
1542 qi->lqi_id.qid_gid = obj->oo_inode->i_gid;
1543 qi->lqi_space = -bspace;
1544 rc = osd_declare_qid(env, oh, qi, true, NULL);
1545 if (rc == -EDQUOT || rc == -EINPROGRESS)
1554 static int osd_inode_setattr(const struct lu_env *env,
1555 struct inode *inode, const struct lu_attr *attr)
1559 bits = attr->la_valid;
1561 if (bits & LA_ATIME)
1562 inode->i_atime = *osd_inode_time(env, inode, attr->la_atime);
1563 if (bits & LA_CTIME)
1564 inode->i_ctime = *osd_inode_time(env, inode, attr->la_ctime);
1565 if (bits & LA_MTIME)
1566 inode->i_mtime = *osd_inode_time(env, inode, attr->la_mtime);
1567 if (bits & LA_SIZE) {
1568 LDISKFS_I(inode)->i_disksize = attr->la_size;
1569 i_size_write(inode, attr->la_size);
1573 /* OSD should not change "i_blocks" which is used by quota.
1574 * "i_blocks" should be changed by ldiskfs only. */
1575 if (bits & LA_BLOCKS)
1576 inode->i_blocks = attr->la_blocks;
1579 inode->i_mode = (inode->i_mode & S_IFMT) |
1580 (attr->la_mode & ~S_IFMT);
1582 inode->i_uid = attr->la_uid;
1584 inode->i_gid = attr->la_gid;
1585 if (bits & LA_NLINK)
1586 set_nlink(inode, attr->la_nlink);
1588 inode->i_rdev = attr->la_rdev;
1590 if (bits & LA_FLAGS) {
1591 /* always keep S_NOCMTIME */
1592 inode->i_flags = ll_ext_to_inode_flags(attr->la_flags) |
1598 static int osd_quota_transfer(struct inode *inode, const struct lu_attr *attr)
1600 if ((attr->la_valid & LA_UID && attr->la_uid != inode->i_uid) ||
1601 (attr->la_valid & LA_GID && attr->la_gid != inode->i_gid)) {
1606 if (attr->la_valid & LA_UID)
1607 iattr.ia_valid |= ATTR_UID;
1608 if (attr->la_valid & LA_GID)
1609 iattr.ia_valid |= ATTR_GID;
1610 iattr.ia_uid = attr->la_uid;
1611 iattr.ia_gid = attr->la_gid;
1613 rc = ll_vfs_dq_transfer(inode, &iattr);
1615 CERROR("%s: quota transfer failed: rc = %d. Is quota "
1616 "enforcement enabled on the ldiskfs filesystem?",
1617 inode->i_sb->s_id, rc);
1624 static int osd_attr_set(const struct lu_env *env,
1625 struct dt_object *dt,
1626 const struct lu_attr *attr,
1627 struct thandle *handle,
1628 struct lustre_capa *capa)
1630 struct osd_object *obj = osd_dt_obj(dt);
1631 struct inode *inode;
1634 LASSERT(handle != NULL);
1635 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
1636 LASSERT(osd_invariant(obj));
1638 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_WRITE))
1641 osd_trans_exec_op(env, handle, OSD_OT_ATTR_SET);
1643 if (OBD_FAIL_CHECK(OBD_FAIL_OSD_FID_MAPPING)) {
1644 struct osd_thread_info *oti = osd_oti_get(env);
1645 const struct lu_fid *fid0 = lu_object_fid(&dt->do_lu);
1646 struct lu_fid *fid1 = &oti->oti_fid;
1647 struct osd_inode_id *id = &oti->oti_id;
1648 struct iam_path_descr *ipd;
1649 struct iam_container *bag;
1650 struct osd_thandle *oh;
1653 fid_cpu_to_be(fid1, fid0);
1654 memset(id, 1, sizeof(*id));
1655 bag = &osd_fid2oi(osd_dev(dt->do_lu.lo_dev),
1656 fid0)->oi_dir.od_container;
1657 ipd = osd_idx_ipd_get(env, bag);
1658 if (unlikely(ipd == NULL))
1661 oh = container_of0(handle, struct osd_thandle, ot_super);
1662 rc = iam_update(oh->ot_handle, bag, (const struct iam_key *)fid1,
1663 (const struct iam_rec *)id, ipd);
1664 osd_ipd_put(env, bag, ipd);
1665 return(rc > 0 ? 0 : rc);
1668 inode = obj->oo_inode;
1669 ll_vfs_dq_init(inode);
1671 rc = osd_quota_transfer(inode, attr);
1675 spin_lock(&obj->oo_guard);
1676 rc = osd_inode_setattr(env, inode, attr);
1677 spin_unlock(&obj->oo_guard);
1680 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
1684 struct dentry *osd_child_dentry_get(const struct lu_env *env,
1685 struct osd_object *obj,
1686 const char *name, const int namelen)
1688 return osd_child_dentry_by_inode(env, obj->oo_inode, name, namelen);
1691 static int osd_mkfile(struct osd_thread_info *info, struct osd_object *obj,
1693 struct dt_allocation_hint *hint,
1697 struct osd_device *osd = osd_obj2dev(obj);
1698 struct osd_thandle *oth;
1699 struct dt_object *parent = NULL;
1700 struct inode *inode;
1702 LINVRNT(osd_invariant(obj));
1703 LASSERT(obj->oo_inode == NULL);
1704 LASSERT(obj->oo_hl_head == NULL);
1706 if (S_ISDIR(mode) && ldiskfs_pdo) {
1707 obj->oo_hl_head =ldiskfs_htree_lock_head_alloc(HTREE_HBITS_DEF);
1708 if (obj->oo_hl_head == NULL)
1712 oth = container_of(th, struct osd_thandle, ot_super);
1713 LASSERT(oth->ot_handle->h_transaction != NULL);
1715 if (hint && hint->dah_parent)
1716 parent = hint->dah_parent;
1718 inode = ldiskfs_create_inode(oth->ot_handle,
1719 parent ? osd_dt_obj(parent)->oo_inode :
1720 osd_sb(osd)->s_root->d_inode,
1722 if (!IS_ERR(inode)) {
1723 /* Do not update file c/mtime in ldiskfs.
1724 * NB: don't need any lock because no contention at this
1726 inode->i_flags |= S_NOCMTIME;
1728 /* For new created object, it must be consistent,
1729 * and it is unnecessary to scrub against it. */
1730 ldiskfs_set_inode_state(inode, LDISKFS_STATE_LUSTRE_NOSCRUB);
1731 obj->oo_inode = inode;
1734 if (obj->oo_hl_head != NULL) {
1735 ldiskfs_htree_lock_head_free(obj->oo_hl_head);
1736 obj->oo_hl_head = NULL;
1738 result = PTR_ERR(inode);
1740 LINVRNT(osd_invariant(obj));
1748 static int osd_mkdir(struct osd_thread_info *info, struct osd_object *obj,
1749 struct lu_attr *attr,
1750 struct dt_allocation_hint *hint,
1751 struct dt_object_format *dof,
1755 struct osd_thandle *oth;
1756 __u32 mode = (attr->la_mode & (S_IFMT | S_IRWXUGO | S_ISVTX));
1758 LASSERT(S_ISDIR(attr->la_mode));
1760 oth = container_of(th, struct osd_thandle, ot_super);
1761 LASSERT(oth->ot_handle->h_transaction != NULL);
1762 result = osd_mkfile(info, obj, mode, hint, th);
1767 static int osd_mk_index(struct osd_thread_info *info, struct osd_object *obj,
1768 struct lu_attr *attr,
1769 struct dt_allocation_hint *hint,
1770 struct dt_object_format *dof,
1774 struct osd_thandle *oth;
1775 const struct dt_index_features *feat = dof->u.dof_idx.di_feat;
1777 __u32 mode = (attr->la_mode & (S_IFMT | S_IALLUGO | S_ISVTX));
1779 LASSERT(S_ISREG(attr->la_mode));
1781 oth = container_of(th, struct osd_thandle, ot_super);
1782 LASSERT(oth->ot_handle->h_transaction != NULL);
1784 result = osd_mkfile(info, obj, mode, hint, th);
1786 LASSERT(obj->oo_inode != NULL);
1787 if (feat->dif_flags & DT_IND_VARKEY)
1788 result = iam_lvar_create(obj->oo_inode,
1789 feat->dif_keysize_max,
1791 feat->dif_recsize_max,
1794 result = iam_lfix_create(obj->oo_inode,
1795 feat->dif_keysize_max,
1797 feat->dif_recsize_max,
1804 static int osd_mkreg(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_ISREG(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_mksym(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 LASSERT(S_ISLNK(attr->la_mode));
1822 return osd_mkfile(info, obj, (attr->la_mode &
1823 (S_IFMT | S_IALLUGO | S_ISVTX)), hint, th);
1826 static int osd_mknod(struct osd_thread_info *info, struct osd_object *obj,
1827 struct lu_attr *attr,
1828 struct dt_allocation_hint *hint,
1829 struct dt_object_format *dof,
1832 cfs_umode_t mode = attr->la_mode & (S_IFMT | S_IALLUGO | S_ISVTX);
1835 LINVRNT(osd_invariant(obj));
1836 LASSERT(obj->oo_inode == NULL);
1837 LASSERT(S_ISCHR(mode) || S_ISBLK(mode) ||
1838 S_ISFIFO(mode) || S_ISSOCK(mode));
1840 result = osd_mkfile(info, obj, mode, hint, th);
1842 LASSERT(obj->oo_inode != NULL);
1844 * This inode should be marked dirty for i_rdev. Currently
1845 * that is done in the osd_attr_init().
1847 init_special_inode(obj->oo_inode, obj->oo_inode->i_mode,
1850 LINVRNT(osd_invariant(obj));
1854 typedef int (*osd_obj_type_f)(struct osd_thread_info *, struct osd_object *,
1856 struct dt_allocation_hint *hint,
1857 struct dt_object_format *dof,
1860 static osd_obj_type_f osd_create_type_f(enum dt_format_type type)
1862 osd_obj_type_f result;
1878 result = osd_mk_index;
1889 static void osd_ah_init(const struct lu_env *env, struct dt_allocation_hint *ah,
1890 struct dt_object *parent, struct dt_object *child,
1891 cfs_umode_t child_mode)
1895 memset(ah, 0, sizeof(*ah));
1896 ah->dah_parent = parent;
1897 ah->dah_mode = child_mode;
1900 static void osd_attr_init(struct osd_thread_info *info, struct osd_object *obj,
1901 struct lu_attr *attr, struct dt_object_format *dof)
1903 struct inode *inode = obj->oo_inode;
1904 __u64 valid = attr->la_valid;
1907 attr->la_valid &= ~(LA_TYPE | LA_MODE);
1909 if (dof->dof_type != DFT_NODE)
1910 attr->la_valid &= ~LA_RDEV;
1911 if ((valid & LA_ATIME) && (attr->la_atime == LTIME_S(inode->i_atime)))
1912 attr->la_valid &= ~LA_ATIME;
1913 if ((valid & LA_CTIME) && (attr->la_ctime == LTIME_S(inode->i_ctime)))
1914 attr->la_valid &= ~LA_CTIME;
1915 if ((valid & LA_MTIME) && (attr->la_mtime == LTIME_S(inode->i_mtime)))
1916 attr->la_valid &= ~LA_MTIME;
1918 result = osd_quota_transfer(inode, attr);
1922 if (attr->la_valid != 0) {
1923 result = osd_inode_setattr(info->oti_env, inode, attr);
1925 * The osd_inode_setattr() should always succeed here. The
1926 * only error that could be returned is EDQUOT when we are
1927 * trying to change the UID or GID of the inode. However, this
1928 * should not happen since quota enforcement is no longer
1929 * enabled on ldiskfs (lquota takes care of it).
1931 LASSERTF(result == 0, "%d", result);
1932 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
1935 attr->la_valid = valid;
1939 * Helper function for osd_object_create()
1941 * \retval 0, on success
1943 static int __osd_object_create(struct osd_thread_info *info,
1944 struct osd_object *obj, struct lu_attr *attr,
1945 struct dt_allocation_hint *hint,
1946 struct dt_object_format *dof,
1952 /* we drop umask so that permissions we pass are not affected */
1953 umask = current->fs->umask;
1954 current->fs->umask = 0;
1956 result = osd_create_type_f(dof->dof_type)(info, obj, attr, hint, dof,
1959 osd_attr_init(info, obj, attr, dof);
1960 osd_object_init0(obj);
1962 if (obj->oo_inode && (obj->oo_inode->i_state & I_NEW))
1963 unlock_new_inode(obj->oo_inode);
1966 /* restore previous umask value */
1967 current->fs->umask = umask;
1973 * Helper function for osd_object_create()
1975 * \retval 0, on success
1977 static int __osd_oi_insert(const struct lu_env *env, struct osd_object *obj,
1978 const struct lu_fid *fid, struct thandle *th)
1980 struct osd_thread_info *info = osd_oti_get(env);
1981 struct osd_inode_id *id = &info->oti_id;
1982 struct osd_device *osd = osd_obj2dev(obj);
1984 LASSERT(obj->oo_inode != NULL);
1986 osd_id_gen(id, obj->oo_inode->i_ino, obj->oo_inode->i_generation);
1987 return osd_oi_insert(info, osd, fid, id, th);
1990 int osd_fld_lookup(const struct lu_env *env, struct osd_device *osd,
1991 const struct lu_fid *fid, struct lu_seq_range *range)
1993 struct seq_server_site *ss = osd_seq_site(osd);
1996 if (fid_is_idif(fid)) {
1997 range->lsr_flags = LU_SEQ_RANGE_OST;
1998 range->lsr_index = fid_idif_ost_idx(fid);
2002 if (!fid_seq_in_fldb(fid_seq(fid))) {
2003 range->lsr_flags = LU_SEQ_RANGE_MDT;
2005 /* FIXME: If ss is NULL, it suppose not get lsr_index
2007 range->lsr_index = ss->ss_node_id;
2011 LASSERT(ss != NULL);
2012 range->lsr_flags = -1;
2013 rc = fld_server_lookup(env, ss->ss_server_fld, fid_seq(fid), range);
2015 CERROR("%s can not find "DFID": rc = %d\n",
2016 osd_name(osd), PFID(fid), rc);
2022 * Concurrency: no external locking is necessary.
2024 static int osd_declare_object_create(const struct lu_env *env,
2025 struct dt_object *dt,
2026 struct lu_attr *attr,
2027 struct dt_allocation_hint *hint,
2028 struct dt_object_format *dof,
2029 struct thandle *handle)
2031 struct lu_seq_range *range = &osd_oti_get(env)->oti_seq_range;
2032 struct osd_thandle *oh;
2036 LASSERT(handle != NULL);
2038 oh = container_of0(handle, struct osd_thandle, ot_super);
2039 LASSERT(oh->ot_handle == NULL);
2041 osd_trans_declare_op(env, oh, OSD_OT_CREATE,
2042 osd_dto_credits_noquota[DTO_OBJECT_CREATE]);
2043 if (!fid_is_on_ost(osd_oti_get(env), osd_dt_dev(handle->th_dev),
2044 lu_object_fid(&dt->do_lu)))
2045 /* Reuse idle OI block may cause additional one OI block
2047 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
2048 osd_dto_credits_noquota[DTO_INDEX_INSERT] + 1);
2050 /* If this is directory, then we expect . and .. to be inserted as
2051 * well. The one directory block always needs to be created for the
2052 * directory, so we could use DTO_WRITE_BASE here (GDT, block bitmap,
2053 * block), there is no danger of needing a tree for the first block.
2055 if (attr && S_ISDIR(attr->la_mode)) {
2056 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
2057 osd_dto_credits_noquota[DTO_WRITE_BASE]);
2058 osd_trans_declare_op(env, oh, OSD_OT_INSERT, 0);
2064 rc = osd_declare_inode_qid(env, attr->la_uid, attr->la_gid, 1, oh,
2065 false, false, NULL, false);
2069 /* It does fld look up inside declare, and the result will be
2070 * added to fld cache, so the following fld lookup inside insert
2071 * does not need send RPC anymore, so avoid send rpc with holding
2073 if (fid_is_norm(lu_object_fid(&dt->do_lu)) &&
2074 !fid_is_last_id(lu_object_fid(&dt->do_lu)))
2075 osd_fld_lookup(env, osd_dt_dev(handle->th_dev),
2076 lu_object_fid(&dt->do_lu), range);
2082 static int osd_object_create(const struct lu_env *env, struct dt_object *dt,
2083 struct lu_attr *attr,
2084 struct dt_allocation_hint *hint,
2085 struct dt_object_format *dof,
2088 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
2089 struct osd_object *obj = osd_dt_obj(dt);
2090 struct osd_thread_info *info = osd_oti_get(env);
2095 LINVRNT(osd_invariant(obj));
2096 LASSERT(!dt_object_exists(dt) && !dt_object_remote(dt));
2097 LASSERT(osd_write_locked(env, obj));
2098 LASSERT(th != NULL);
2100 if (unlikely(fid_is_acct(fid)))
2101 /* Quota files can't be created from the kernel any more,
2102 * 'tune2fs -O quota' will take care of creating them */
2105 osd_trans_exec_op(env, th, OSD_OT_CREATE);
2106 osd_trans_declare_rb(env, th, OSD_OT_REF_ADD);
2108 result = __osd_object_create(info, obj, attr, hint, dof, th);
2110 result = __osd_oi_insert(env, obj, fid, th);
2112 LASSERT(ergo(result == 0,
2113 dt_object_exists(dt) && !dt_object_remote(dt)));
2115 LASSERT(osd_invariant(obj));
2120 * Called to destroy on-disk representation of the object
2122 * Concurrency: must be locked
2124 static int osd_declare_object_destroy(const struct lu_env *env,
2125 struct dt_object *dt,
2128 struct osd_object *obj = osd_dt_obj(dt);
2129 struct inode *inode = obj->oo_inode;
2130 struct osd_thandle *oh;
2134 oh = container_of0(th, struct osd_thandle, ot_super);
2135 LASSERT(oh->ot_handle == NULL);
2138 osd_trans_declare_op(env, oh, OSD_OT_DELETE,
2139 osd_dto_credits_noquota[DTO_OBJECT_DELETE]);
2140 /* Recycle idle OI leaf may cause additional three OI blocks
2142 osd_trans_declare_op(env, oh, OSD_OT_DESTROY,
2143 osd_dto_credits_noquota[DTO_INDEX_DELETE] + 3);
2145 /* one less inode */
2146 rc = osd_declare_inode_qid(env, inode->i_uid, inode->i_gid, -1, oh,
2147 false, true, NULL, false);
2150 /* data to be truncated */
2151 rc = osd_declare_inode_qid(env, inode->i_uid, inode->i_gid, 0, oh,
2152 true, true, NULL, false);
2156 static int osd_object_destroy(const struct lu_env *env,
2157 struct dt_object *dt,
2160 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
2161 struct osd_object *obj = osd_dt_obj(dt);
2162 struct inode *inode = obj->oo_inode;
2163 struct osd_device *osd = osd_obj2dev(obj);
2164 struct osd_thandle *oh;
2168 oh = container_of0(th, struct osd_thandle, ot_super);
2169 LASSERT(oh->ot_handle);
2171 LASSERT(!lu_object_is_dying(dt->do_lu.lo_header));
2173 if (unlikely(fid_is_acct(fid)))
2176 /* Parallel control for OI scrub. For most of cases, there is no
2177 * lock contention. So it will not affect unlink performance. */
2178 mutex_lock(&inode->i_mutex);
2179 if (S_ISDIR(inode->i_mode)) {
2180 LASSERT(osd_inode_unlinked(inode) || inode->i_nlink == 1);
2181 /* it will check/delete the inode from remote parent,
2182 * how to optimize it? unlink performance impaction XXX */
2183 result = osd_delete_from_remote_parent(env, osd, obj, oh);
2184 if (result != 0 && result != -ENOENT) {
2185 CERROR("%s: delete inode "DFID": rc = %d\n",
2186 osd_name(osd), PFID(fid), result);
2188 spin_lock(&obj->oo_guard);
2190 spin_unlock(&obj->oo_guard);
2191 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2194 osd_trans_exec_op(env, th, OSD_OT_DESTROY);
2196 result = osd_oi_delete(osd_oti_get(env), osd, fid, th);
2197 mutex_unlock(&inode->i_mutex);
2199 /* XXX: add to ext3 orphan list */
2200 /* rc = ext3_orphan_add(handle_t *handle, struct inode *inode) */
2202 /* not needed in the cache anymore */
2203 set_bit(LU_OBJECT_HEARD_BANSHEE, &dt->do_lu.lo_header->loh_flags);
2209 * Put the fid into lustre_mdt_attrs, and then place the structure
2210 * inode's ea. This fid should not be altered during the life time
2213 * \retval +ve, on success
2214 * \retval -ve, on error
2216 * FIXME: It is good to have/use ldiskfs_xattr_set_handle() here
2218 int osd_ea_fid_set(struct osd_thread_info *info, struct inode *inode,
2219 const struct lu_fid *fid, __u64 flags)
2221 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
2224 if (OBD_FAIL_CHECK(OBD_FAIL_FID_INLMA))
2227 lustre_lma_init(lma, fid, flags);
2228 lustre_lma_swab(lma);
2230 rc = __osd_xattr_set(info, inode, XATTR_NAME_LMA, lma, sizeof(*lma),
2232 /* Someone may created the EA by race. */
2233 if (unlikely(rc == -EEXIST))
2239 * ldiskfs supports fid in dirent, it is passed in dentry->d_fsdata.
2240 * lustre 1.8 also uses d_fsdata for passing other info to ldiskfs.
2241 * To have compatilibility with 1.8 ldiskfs driver we need to have
2242 * magic number at start of fid data.
2243 * \ldiskfs_dentry_param is used only to pass fid from osd to ldiskfs.
2246 void osd_get_ldiskfs_dirent_param(struct ldiskfs_dentry_param *param,
2247 const struct dt_rec *fid)
2249 if (!fid_is_namespace_visible((const struct lu_fid *)fid) ||
2250 OBD_FAIL_CHECK(OBD_FAIL_FID_IGIF)) {
2251 param->edp_magic = 0;
2255 param->edp_magic = LDISKFS_LUFID_MAGIC;
2256 param->edp_len = sizeof(struct lu_fid) + 1;
2257 fid_cpu_to_be((struct lu_fid *)param->edp_data, (struct lu_fid *)fid);
2261 * Try to read the fid from inode ea into dt_rec.
2263 * \param fid object fid.
2265 * \retval 0 on success
2267 static int osd_ea_fid_get(const struct lu_env *env, struct osd_object *obj,
2268 __u32 ino, struct lu_fid *fid,
2269 struct osd_inode_id *id)
2271 struct osd_thread_info *info = osd_oti_get(env);
2272 struct inode *inode;
2275 osd_id_gen(id, ino, OSD_OII_NOGEN);
2276 inode = osd_iget_fid(info, osd_obj2dev(obj), id, fid);
2278 RETURN(PTR_ERR(inode));
2284 static int osd_add_dot_dotdot_internal(struct osd_thread_info *info,
2286 struct inode *parent_dir,
2287 const struct dt_rec *dot_fid,
2288 const struct dt_rec *dot_dot_fid,
2289 struct osd_thandle *oth)
2291 struct ldiskfs_dentry_param *dot_ldp;
2292 struct ldiskfs_dentry_param *dot_dot_ldp;
2294 dot_dot_ldp = (struct ldiskfs_dentry_param *)info->oti_ldp2;
2295 osd_get_ldiskfs_dirent_param(dot_dot_ldp, dot_dot_fid);
2297 dot_ldp = (struct ldiskfs_dentry_param *)info->oti_ldp;
2298 dot_ldp->edp_magic = 0;
2299 return ldiskfs_add_dot_dotdot(oth->ot_handle, parent_dir,
2300 dir, dot_ldp, dot_dot_ldp);
2304 * Create an local agent inode for remote entry
2306 static struct inode *osd_create_local_agent_inode(const struct lu_env *env,
2307 struct osd_device *osd,
2308 struct osd_object *pobj,
2309 const struct lu_fid *fid,
2312 struct osd_thread_info *info = osd_oti_get(env);
2313 struct inode *local;
2314 struct osd_thandle *oh;
2319 oh = container_of(th, struct osd_thandle, ot_super);
2320 LASSERT(oh->ot_handle->h_transaction != NULL);
2322 /* FIXME: Insert index api needs to know the mode of
2323 * the remote object. Just use S_IFDIR for now */
2324 local = ldiskfs_create_inode(oh->ot_handle, pobj->oo_inode, S_IFDIR);
2325 if (IS_ERR(local)) {
2326 CERROR("%s: create local error %d\n", osd_name(osd),
2327 (int)PTR_ERR(local));
2331 /* Set special LMA flag for local agent inode */
2332 rc = osd_ea_fid_set(info, local, fid, LMAI_AGENT);
2334 CERROR("%s: set LMA for "DFID" remote inode failed: rc = %d\n",
2335 osd_name(osd), PFID(fid), rc);
2336 RETURN(ERR_PTR(rc));
2339 rc = osd_add_dot_dotdot_internal(info, local, pobj->oo_inode,
2340 (const struct dt_rec *)lu_object_fid(&pobj->oo_dt.do_lu),
2341 (const struct dt_rec *)fid, oh);
2343 CERROR("%s: "DFID" add dot dotdot error: rc = %d\n",
2344 osd_name(osd), PFID(fid), rc);
2345 RETURN(ERR_PTR(rc));
2352 * Delete local inode for remote entry
2354 static int osd_delete_remote_inode(const struct lu_env *env,
2355 struct osd_device *osd,
2356 const struct lu_fid *fid,
2357 __u32 ino, struct osd_thandle *oh)
2359 struct osd_thread_info *oti = osd_oti_get(env);
2360 struct osd_inode_id *id = &oti->oti_id;
2361 struct inode *inode;
2364 id->oii_ino = le32_to_cpu(ino);
2365 id->oii_gen = OSD_OII_NOGEN;
2366 inode = osd_iget(oti, osd, id);
2367 if (IS_ERR(inode)) {
2368 CERROR("%s: iget error "DFID" id %u:%u\n", osd_name(osd),
2369 PFID(fid), id->oii_ino, id->oii_gen);
2370 RETURN(PTR_ERR(inode));
2374 mark_inode_dirty(inode);
2375 CDEBUG(D_INODE, "%s: delete remote inode "DFID" %lu\n",
2376 osd_name(osd), PFID(fid), inode->i_ino);
2382 * OSD layer object create function for interoperability mode (b11826).
2383 * This is mostly similar to osd_object_create(). Only difference being, fid is
2384 * inserted into inode ea here.
2386 * \retval 0, on success
2387 * \retval -ve, on error
2389 static int osd_object_ea_create(const struct lu_env *env, struct dt_object *dt,
2390 struct lu_attr *attr,
2391 struct dt_allocation_hint *hint,
2392 struct dt_object_format *dof,
2395 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
2396 struct osd_object *obj = osd_dt_obj(dt);
2397 struct osd_thread_info *info = osd_oti_get(env);
2402 LASSERT(osd_invariant(obj));
2403 LASSERT(!dt_object_exists(dt) && !dt_object_remote(dt));
2404 LASSERT(osd_write_locked(env, obj));
2405 LASSERT(th != NULL);
2407 if (unlikely(fid_is_acct(fid)))
2408 /* Quota files can't be created from the kernel any more,
2409 * 'tune2fs -O quota' will take care of creating them */
2412 osd_trans_exec_op(env, th, OSD_OT_CREATE);
2413 osd_trans_declare_rb(env, th, OSD_OT_REF_ADD);
2415 result = __osd_object_create(info, obj, attr, hint, dof, th);
2417 if (OBD_FAIL_CHECK(OBD_FAIL_FID_IGIF) && !fid_is_internal(fid))
2420 if ((result == 0) &&
2421 (fid_is_last_id(fid) ||
2422 !fid_is_on_ost(info, osd_dt_dev(th->th_dev), fid)))
2423 result = osd_ea_fid_set(info, obj->oo_inode, fid, 0);
2426 result = __osd_oi_insert(env, obj, fid, th);
2428 LASSERT(ergo(result == 0,
2429 dt_object_exists(dt) && !dt_object_remote(dt)));
2430 LINVRNT(osd_invariant(obj));
2434 static int osd_declare_object_ref_add(const struct lu_env *env,
2435 struct dt_object *dt,
2436 struct thandle *handle)
2438 struct osd_thandle *oh;
2440 /* it's possible that object doesn't exist yet */
2441 LASSERT(handle != NULL);
2443 oh = container_of0(handle, struct osd_thandle, ot_super);
2444 LASSERT(oh->ot_handle == NULL);
2446 osd_trans_declare_op(env, oh, OSD_OT_REF_ADD,
2447 osd_dto_credits_noquota[DTO_ATTR_SET_BASE]);
2453 * Concurrency: @dt is write locked.
2455 static int osd_object_ref_add(const struct lu_env *env,
2456 struct dt_object *dt, struct thandle *th)
2458 struct osd_object *obj = osd_dt_obj(dt);
2459 struct inode *inode = obj->oo_inode;
2461 LINVRNT(osd_invariant(obj));
2462 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2463 LASSERT(osd_write_locked(env, obj));
2464 LASSERT(th != NULL);
2466 osd_trans_exec_op(env, th, OSD_OT_REF_ADD);
2469 * DIR_NLINK feature is set for compatibility reasons if:
2470 * 1) nlinks > LDISKFS_LINK_MAX, or
2471 * 2) nlinks == 2, since this indicates i_nlink was previously 1.
2473 * It is easier to always set this flag (rather than check and set),
2474 * since it has less overhead, and the superblock will be dirtied
2475 * at some point. Both e2fsprogs and any Lustre-supported ldiskfs
2476 * do not actually care whether this flag is set or not.
2478 spin_lock(&obj->oo_guard);
2479 /* inc_nlink from 0 may cause WARN_ON */
2480 if(inode->i_nlink == 0)
2481 set_nlink(inode, 1);
2484 if (S_ISDIR(inode->i_mode) && inode->i_nlink > 1) {
2485 if (inode->i_nlink >= LDISKFS_LINK_MAX ||
2486 inode->i_nlink == 2)
2487 set_nlink(inode, 1);
2489 LASSERT(inode->i_nlink <= LDISKFS_LINK_MAX);
2490 spin_unlock(&obj->oo_guard);
2491 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2492 LINVRNT(osd_invariant(obj));
2497 static int osd_declare_object_ref_del(const struct lu_env *env,
2498 struct dt_object *dt,
2499 struct thandle *handle)
2501 struct osd_thandle *oh;
2503 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2504 LASSERT(handle != NULL);
2506 oh = container_of0(handle, struct osd_thandle, ot_super);
2507 LASSERT(oh->ot_handle == NULL);
2509 osd_trans_declare_op(env, oh, OSD_OT_REF_DEL,
2510 osd_dto_credits_noquota[DTO_ATTR_SET_BASE]);
2516 * Concurrency: @dt is write locked.
2518 static int osd_object_ref_del(const struct lu_env *env, struct dt_object *dt,
2521 struct osd_object *obj = osd_dt_obj(dt);
2522 struct inode *inode = obj->oo_inode;
2524 LINVRNT(osd_invariant(obj));
2525 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2526 LASSERT(osd_write_locked(env, obj));
2527 LASSERT(th != NULL);
2529 osd_trans_exec_op(env, th, OSD_OT_REF_DEL);
2531 spin_lock(&obj->oo_guard);
2532 LASSERT(inode->i_nlink > 0);
2534 /* If this is/was a many-subdir directory (nlink > LDISKFS_LINK_MAX)
2535 * then the nlink count is 1. Don't let it be set to 0 or the directory
2536 * inode will be deleted incorrectly. */
2537 if (S_ISDIR(inode->i_mode) && inode->i_nlink == 0)
2538 set_nlink(inode, 1);
2539 spin_unlock(&obj->oo_guard);
2540 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2541 LINVRNT(osd_invariant(obj));
2547 * Get the 64-bit version for an inode.
2549 static int osd_object_version_get(const struct lu_env *env,
2550 struct dt_object *dt, dt_obj_version_t *ver)
2552 struct inode *inode = osd_dt_obj(dt)->oo_inode;
2554 CDEBUG(D_INODE, "Get version "LPX64" for inode %lu\n",
2555 LDISKFS_I(inode)->i_fs_version, inode->i_ino);
2556 *ver = LDISKFS_I(inode)->i_fs_version;
2561 * Concurrency: @dt is read locked.
2563 static int osd_xattr_get(const struct lu_env *env, struct dt_object *dt,
2564 struct lu_buf *buf, const char *name,
2565 struct lustre_capa *capa)
2567 struct osd_object *obj = osd_dt_obj(dt);
2568 struct inode *inode = obj->oo_inode;
2569 struct osd_thread_info *info = osd_oti_get(env);
2570 struct dentry *dentry = &info->oti_obj_dentry;
2572 /* version get is not real XATTR but uses xattr API */
2573 if (strcmp(name, XATTR_NAME_VERSION) == 0) {
2574 /* for version we are just using xattr API but change inode
2576 LASSERT(buf->lb_len == sizeof(dt_obj_version_t));
2577 osd_object_version_get(env, dt, buf->lb_buf);
2578 return sizeof(dt_obj_version_t);
2581 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2582 LASSERT(inode->i_op != NULL && inode->i_op->getxattr != NULL);
2584 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_READ))
2587 return __osd_xattr_get(inode, dentry, name, buf->lb_buf, buf->lb_len);
2591 static int osd_declare_xattr_set(const struct lu_env *env,
2592 struct dt_object *dt,
2593 const struct lu_buf *buf, const char *name,
2594 int fl, struct thandle *handle)
2596 struct osd_thandle *oh;
2598 LASSERT(handle != NULL);
2600 oh = container_of0(handle, struct osd_thandle, ot_super);
2601 LASSERT(oh->ot_handle == NULL);
2603 osd_trans_declare_op(env, oh, OSD_OT_XATTR_SET,
2604 strcmp(name, XATTR_NAME_VERSION) == 0 ?
2605 osd_dto_credits_noquota[DTO_ATTR_SET_BASE] :
2606 osd_dto_credits_noquota[DTO_XATTR_SET]);
2612 * Set the 64-bit version for object
2614 static void osd_object_version_set(const struct lu_env *env,
2615 struct dt_object *dt,
2616 dt_obj_version_t *new_version)
2618 struct inode *inode = osd_dt_obj(dt)->oo_inode;
2620 CDEBUG(D_INODE, "Set version "LPX64" (old "LPX64") for inode %lu\n",
2621 *new_version, LDISKFS_I(inode)->i_fs_version, inode->i_ino);
2623 LDISKFS_I(inode)->i_fs_version = *new_version;
2624 /** Version is set after all inode operations are finished,
2625 * so we should mark it dirty here */
2626 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2630 * Concurrency: @dt is write locked.
2632 static int osd_xattr_set(const struct lu_env *env, struct dt_object *dt,
2633 const struct lu_buf *buf, const char *name, int fl,
2634 struct thandle *handle, struct lustre_capa *capa)
2636 struct osd_object *obj = osd_dt_obj(dt);
2637 struct inode *inode = obj->oo_inode;
2638 struct osd_thread_info *info = osd_oti_get(env);
2642 LASSERT(handle != NULL);
2644 /* version set is not real XATTR */
2645 if (strcmp(name, XATTR_NAME_VERSION) == 0) {
2646 /* for version we are just using xattr API but change inode
2648 LASSERT(buf->lb_len == sizeof(dt_obj_version_t));
2649 osd_object_version_set(env, dt, buf->lb_buf);
2650 return sizeof(dt_obj_version_t);
2653 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_WRITE))
2656 osd_trans_exec_op(env, handle, OSD_OT_XATTR_SET);
2657 if (fl & LU_XATTR_REPLACE)
2658 fs_flags |= XATTR_REPLACE;
2660 if (fl & LU_XATTR_CREATE)
2661 fs_flags |= XATTR_CREATE;
2663 return __osd_xattr_set(info, inode, name, buf->lb_buf, buf->lb_len,
2668 * Concurrency: @dt is read locked.
2670 static int osd_xattr_list(const struct lu_env *env, struct dt_object *dt,
2671 struct lu_buf *buf, struct lustre_capa *capa)
2673 struct osd_object *obj = osd_dt_obj(dt);
2674 struct inode *inode = obj->oo_inode;
2675 struct osd_thread_info *info = osd_oti_get(env);
2676 struct dentry *dentry = &info->oti_obj_dentry;
2678 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2679 LASSERT(inode->i_op != NULL && inode->i_op->listxattr != NULL);
2680 LASSERT(osd_read_locked(env, obj) || osd_write_locked(env, obj));
2682 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_READ))
2685 dentry->d_inode = inode;
2686 return inode->i_op->listxattr(dentry, buf->lb_buf, buf->lb_len);
2689 static int osd_declare_xattr_del(const struct lu_env *env,
2690 struct dt_object *dt, const char *name,
2691 struct thandle *handle)
2693 struct osd_thandle *oh;
2695 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2696 LASSERT(handle != NULL);
2698 oh = container_of0(handle, struct osd_thandle, ot_super);
2699 LASSERT(oh->ot_handle == NULL);
2701 osd_trans_declare_op(env, oh, OSD_OT_XATTR_SET,
2702 osd_dto_credits_noquota[DTO_XATTR_SET]);
2708 * Concurrency: @dt is write locked.
2710 static int osd_xattr_del(const struct lu_env *env, struct dt_object *dt,
2711 const char *name, struct thandle *handle,
2712 struct lustre_capa *capa)
2714 struct osd_object *obj = osd_dt_obj(dt);
2715 struct inode *inode = obj->oo_inode;
2716 struct osd_thread_info *info = osd_oti_get(env);
2717 struct dentry *dentry = &info->oti_obj_dentry;
2720 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2721 LASSERT(inode->i_op != NULL && inode->i_op->removexattr != NULL);
2722 LASSERT(handle != NULL);
2724 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_WRITE))
2727 osd_trans_exec_op(env, handle, OSD_OT_XATTR_SET);
2729 ll_vfs_dq_init(inode);
2730 dentry->d_inode = inode;
2731 rc = inode->i_op->removexattr(dentry, name);
2735 static struct obd_capa *osd_capa_get(const struct lu_env *env,
2736 struct dt_object *dt,
2737 struct lustre_capa *old,
2740 struct osd_thread_info *info = osd_oti_get(env);
2741 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
2742 struct osd_object *obj = osd_dt_obj(dt);
2743 struct osd_device *dev = osd_obj2dev(obj);
2744 struct lustre_capa_key *key = &info->oti_capa_key;
2745 struct lustre_capa *capa = &info->oti_capa;
2746 struct obd_capa *oc;
2747 struct md_capainfo *ci;
2751 if (!dev->od_fl_capa)
2752 RETURN(ERR_PTR(-ENOENT));
2754 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2755 LINVRNT(osd_invariant(obj));
2757 /* renewal sanity check */
2758 if (old && osd_object_auth(env, dt, old, opc))
2759 RETURN(ERR_PTR(-EACCES));
2761 ci = md_capainfo(env);
2763 RETURN(ERR_PTR(-ENOENT));
2765 switch (ci->mc_auth) {
2769 capa->lc_uid = obj->oo_inode->i_uid;
2770 capa->lc_gid = obj->oo_inode->i_gid;
2771 capa->lc_flags = LC_ID_PLAIN;
2773 case LC_ID_CONVERT: {
2776 s[0] = obj->oo_inode->i_uid;
2777 cfs_get_random_bytes(&(s[1]), sizeof(__u32));
2778 s[2] = obj->oo_inode->i_gid;
2779 cfs_get_random_bytes(&(s[3]), sizeof(__u32));
2780 rc = capa_encrypt_id(d, s, key->lk_key, CAPA_HMAC_KEY_MAX_LEN);
2782 RETURN(ERR_PTR(rc));
2784 capa->lc_uid = ((__u64)d[1] << 32) | d[0];
2785 capa->lc_gid = ((__u64)d[3] << 32) | d[2];
2786 capa->lc_flags = LC_ID_CONVERT;
2790 RETURN(ERR_PTR(-EINVAL));
2793 capa->lc_fid = *fid;
2795 capa->lc_flags |= dev->od_capa_alg << 24;
2796 capa->lc_timeout = dev->od_capa_timeout;
2797 capa->lc_expiry = 0;
2799 oc = capa_lookup(dev->od_capa_hash, capa, 1);
2801 LASSERT(!capa_is_expired(oc));
2805 spin_lock(&capa_lock);
2806 *key = dev->od_capa_keys[1];
2807 spin_unlock(&capa_lock);
2809 capa->lc_keyid = key->lk_keyid;
2810 capa->lc_expiry = cfs_time_current_sec() + dev->od_capa_timeout;
2812 rc = capa_hmac(capa->lc_hmac, capa, key->lk_key);
2814 DEBUG_CAPA(D_ERROR, capa, "HMAC failed: %d for", rc);
2815 RETURN(ERR_PTR(rc));
2818 oc = capa_add(dev->od_capa_hash, capa);
2822 static int osd_object_sync(const struct lu_env *env, struct dt_object *dt)
2824 struct osd_object *obj = osd_dt_obj(dt);
2825 struct inode *inode = obj->oo_inode;
2826 struct osd_thread_info *info = osd_oti_get(env);
2827 struct dentry *dentry = &info->oti_obj_dentry;
2828 struct file *file = &info->oti_file;
2833 dentry->d_inode = inode;
2834 file->f_dentry = dentry;
2835 file->f_mapping = inode->i_mapping;
2836 file->f_op = inode->i_fop;
2837 #ifndef HAVE_FILE_FSYNC_4ARGS
2838 mutex_lock(&inode->i_mutex);
2840 rc = do_fsync(file, 0);
2841 #ifndef HAVE_FILE_FSYNC_4ARGS
2842 mutex_unlock(&inode->i_mutex);
2847 static int osd_data_get(const struct lu_env *env, struct dt_object *dt,
2850 struct osd_object *obj = osd_dt_obj(dt);
2853 *data = (void *)obj->oo_inode;
2861 static int osd_iam_index_probe(const struct lu_env *env, struct osd_object *o,
2862 const struct dt_index_features *feat)
2864 struct iam_descr *descr;
2866 if (osd_object_is_root(o))
2867 return feat == &dt_directory_features;
2869 LASSERT(o->oo_dir != NULL);
2871 descr = o->oo_dir->od_container.ic_descr;
2872 if (feat == &dt_directory_features) {
2873 if (descr->id_rec_size == sizeof(struct osd_fid_pack))
2879 feat->dif_keysize_min <= descr->id_key_size &&
2880 descr->id_key_size <= feat->dif_keysize_max &&
2881 feat->dif_recsize_min <= descr->id_rec_size &&
2882 descr->id_rec_size <= feat->dif_recsize_max &&
2883 !(feat->dif_flags & (DT_IND_VARKEY |
2884 DT_IND_VARREC | DT_IND_NONUNQ)) &&
2885 ergo(feat->dif_flags & DT_IND_UPDATE,
2886 1 /* XXX check that object (and file system) is
2891 static int osd_iam_container_init(const struct lu_env *env,
2892 struct osd_object *obj,
2893 struct osd_directory *dir)
2895 struct iam_container *bag = &dir->od_container;
2898 result = iam_container_init(bag, &dir->od_descr, obj->oo_inode);
2902 result = iam_container_setup(bag);
2904 obj->oo_dt.do_index_ops = &osd_index_iam_ops;
2906 iam_container_fini(bag);
2913 * Concurrency: no external locking is necessary.
2915 static int osd_index_try(const struct lu_env *env, struct dt_object *dt,
2916 const struct dt_index_features *feat)
2920 struct osd_object *obj = osd_dt_obj(dt);
2922 LINVRNT(osd_invariant(obj));
2924 if (osd_object_is_root(obj)) {
2925 dt->do_index_ops = &osd_index_ea_ops;
2927 } else if (feat == &dt_directory_features) {
2928 dt->do_index_ops = &osd_index_ea_ops;
2929 if (obj->oo_inode != NULL && S_ISDIR(obj->oo_inode->i_mode))
2934 } else if (unlikely(feat == &dt_otable_features)) {
2935 dt->do_index_ops = &osd_otable_ops;
2937 } else if (unlikely(feat == &dt_acct_features)) {
2938 dt->do_index_ops = &osd_acct_index_ops;
2941 } else if (!osd_has_index(obj)) {
2942 struct osd_directory *dir;
2947 spin_lock(&obj->oo_guard);
2948 if (obj->oo_dir == NULL)
2952 * Concurrent thread allocated container data.
2955 spin_unlock(&obj->oo_guard);
2957 * Now, that we have container data, serialize its
2960 down_write(&obj->oo_ext_idx_sem);
2962 * recheck under lock.
2964 if (!osd_has_index(obj))
2965 result = osd_iam_container_init(env, obj, dir);
2968 up_write(&obj->oo_ext_idx_sem);
2976 if (result == 0 && skip_iam == 0) {
2977 if (!osd_iam_index_probe(env, obj, feat))
2980 LINVRNT(osd_invariant(obj));
2982 if (result == 0 && is_quota_glb_feat(feat) &&
2983 fid_seq(lu_object_fid(&dt->do_lu)) == FID_SEQ_QUOTA_GLB)
2984 result = osd_quota_migration(env, dt, feat);
2989 static int osd_otable_it_attr_get(const struct lu_env *env,
2990 struct dt_object *dt,
2991 struct lu_attr *attr,
2992 struct lustre_capa *capa)
2998 static const struct dt_object_operations osd_obj_ops = {
2999 .do_read_lock = osd_object_read_lock,
3000 .do_write_lock = osd_object_write_lock,
3001 .do_read_unlock = osd_object_read_unlock,
3002 .do_write_unlock = osd_object_write_unlock,
3003 .do_write_locked = osd_object_write_locked,
3004 .do_attr_get = osd_attr_get,
3005 .do_declare_attr_set = osd_declare_attr_set,
3006 .do_attr_set = osd_attr_set,
3007 .do_ah_init = osd_ah_init,
3008 .do_declare_create = osd_declare_object_create,
3009 .do_create = osd_object_create,
3010 .do_declare_destroy = osd_declare_object_destroy,
3011 .do_destroy = osd_object_destroy,
3012 .do_index_try = osd_index_try,
3013 .do_declare_ref_add = osd_declare_object_ref_add,
3014 .do_ref_add = osd_object_ref_add,
3015 .do_declare_ref_del = osd_declare_object_ref_del,
3016 .do_ref_del = osd_object_ref_del,
3017 .do_xattr_get = osd_xattr_get,
3018 .do_declare_xattr_set = osd_declare_xattr_set,
3019 .do_xattr_set = osd_xattr_set,
3020 .do_declare_xattr_del = osd_declare_xattr_del,
3021 .do_xattr_del = osd_xattr_del,
3022 .do_xattr_list = osd_xattr_list,
3023 .do_capa_get = osd_capa_get,
3024 .do_object_sync = osd_object_sync,
3025 .do_data_get = osd_data_get,
3029 * dt_object_operations for interoperability mode
3030 * (i.e. to run 2.0 mds on 1.8 disk) (b11826)
3032 static const struct dt_object_operations osd_obj_ea_ops = {
3033 .do_read_lock = osd_object_read_lock,
3034 .do_write_lock = osd_object_write_lock,
3035 .do_read_unlock = osd_object_read_unlock,
3036 .do_write_unlock = osd_object_write_unlock,
3037 .do_write_locked = osd_object_write_locked,
3038 .do_attr_get = osd_attr_get,
3039 .do_declare_attr_set = osd_declare_attr_set,
3040 .do_attr_set = osd_attr_set,
3041 .do_ah_init = osd_ah_init,
3042 .do_declare_create = osd_declare_object_create,
3043 .do_create = osd_object_ea_create,
3044 .do_declare_destroy = osd_declare_object_destroy,
3045 .do_destroy = osd_object_destroy,
3046 .do_index_try = osd_index_try,
3047 .do_declare_ref_add = osd_declare_object_ref_add,
3048 .do_ref_add = osd_object_ref_add,
3049 .do_declare_ref_del = osd_declare_object_ref_del,
3050 .do_ref_del = osd_object_ref_del,
3051 .do_xattr_get = osd_xattr_get,
3052 .do_declare_xattr_set = osd_declare_xattr_set,
3053 .do_xattr_set = osd_xattr_set,
3054 .do_declare_xattr_del = osd_declare_xattr_del,
3055 .do_xattr_del = osd_xattr_del,
3056 .do_xattr_list = osd_xattr_list,
3057 .do_capa_get = osd_capa_get,
3058 .do_object_sync = osd_object_sync,
3059 .do_data_get = osd_data_get,
3062 static const struct dt_object_operations osd_obj_otable_it_ops = {
3063 .do_attr_get = osd_otable_it_attr_get,
3064 .do_index_try = osd_index_try,
3067 static int osd_index_declare_iam_delete(const struct lu_env *env,
3068 struct dt_object *dt,
3069 const struct dt_key *key,
3070 struct thandle *handle)
3072 struct osd_thandle *oh;
3074 oh = container_of0(handle, struct osd_thandle, ot_super);
3075 LASSERT(oh->ot_handle == NULL);
3077 osd_trans_declare_op(env, oh, OSD_OT_DELETE,
3078 osd_dto_credits_noquota[DTO_INDEX_DELETE]);
3084 * delete a (key, value) pair from index \a dt specified by \a key
3086 * \param dt osd index object
3087 * \param key key for index
3088 * \param rec record reference
3089 * \param handle transaction handler
3092 * \retval -ve failure
3095 static int osd_index_iam_delete(const struct lu_env *env, struct dt_object *dt,
3096 const struct dt_key *key,
3097 struct thandle *handle,
3098 struct lustre_capa *capa)
3100 struct osd_thread_info *oti = osd_oti_get(env);
3101 struct osd_object *obj = osd_dt_obj(dt);
3102 struct osd_thandle *oh;
3103 struct iam_path_descr *ipd;
3104 struct iam_container *bag = &obj->oo_dir->od_container;
3109 LINVRNT(osd_invariant(obj));
3110 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3111 LASSERT(bag->ic_object == obj->oo_inode);
3112 LASSERT(handle != NULL);
3114 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_DELETE))
3117 osd_trans_exec_op(env, handle, OSD_OT_DELETE);
3119 ipd = osd_idx_ipd_get(env, bag);
3120 if (unlikely(ipd == NULL))
3123 oh = container_of0(handle, struct osd_thandle, ot_super);
3124 LASSERT(oh->ot_handle != NULL);
3125 LASSERT(oh->ot_handle->h_transaction != NULL);
3127 if (fid_is_quota(lu_object_fid(&dt->do_lu))) {
3128 /* swab quota uid/gid provided by caller */
3129 oti->oti_quota_id = cpu_to_le64(*((__u64 *)key));
3130 key = (const struct dt_key *)&oti->oti_quota_id;
3133 rc = iam_delete(oh->ot_handle, bag, (const struct iam_key *)key, ipd);
3134 osd_ipd_put(env, bag, ipd);
3135 LINVRNT(osd_invariant(obj));
3139 static int osd_index_declare_ea_delete(const struct lu_env *env,
3140 struct dt_object *dt,
3141 const struct dt_key *key,
3142 struct thandle *handle)
3144 struct osd_thandle *oh;
3145 struct inode *inode;
3149 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3150 LASSERT(handle != NULL);
3152 oh = container_of0(handle, struct osd_thandle, ot_super);
3153 LASSERT(oh->ot_handle == NULL);
3155 osd_trans_declare_op(env, oh, OSD_OT_DELETE,
3156 osd_dto_credits_noquota[DTO_INDEX_DELETE]);
3158 inode = osd_dt_obj(dt)->oo_inode;
3161 rc = osd_declare_inode_qid(env, inode->i_uid, inode->i_gid, 0, oh,
3162 true, true, NULL, false);
3166 static inline int osd_get_fid_from_dentry(struct ldiskfs_dir_entry_2 *de,
3169 struct osd_fid_pack *rec;
3172 if (de->file_type & LDISKFS_DIRENT_LUFID) {
3173 rec = (struct osd_fid_pack *) (de->name + de->name_len + 1);
3174 rc = osd_fid_unpack((struct lu_fid *)fid, rec);
3179 static int osd_remote_fid(const struct lu_env *env, struct osd_device *osd,
3182 struct lu_seq_range *range = &osd_oti_get(env)->oti_seq_range;
3183 struct seq_server_site *ss = osd_seq_site(osd);
3187 /* Those FID seqs, which are not in FLDB, must be local seq */
3188 if (unlikely(!fid_seq_in_fldb(fid_seq(fid)) || ss == NULL))
3191 rc = osd_fld_lookup(env, osd, fid, range);
3193 CERROR("%s: Can not lookup fld for "DFID"\n",
3194 osd_name(osd), PFID(fid));
3198 RETURN(ss->ss_node_id != range->lsr_index);
3202 * Index delete function for interoperability mode (b11826).
3203 * It will remove the directory entry added by osd_index_ea_insert().
3204 * This entry is needed to maintain name->fid mapping.
3206 * \param key, key i.e. file entry to be deleted
3208 * \retval 0, on success
3209 * \retval -ve, on error
3211 static int osd_index_ea_delete(const struct lu_env *env, struct dt_object *dt,
3212 const struct dt_key *key,
3213 struct thandle *handle,
3214 struct lustre_capa *capa)
3216 struct osd_object *obj = osd_dt_obj(dt);
3217 struct inode *dir = obj->oo_inode;
3218 struct dentry *dentry;
3219 struct osd_thandle *oh;
3220 struct ldiskfs_dir_entry_2 *de = NULL;
3221 struct buffer_head *bh;
3222 struct htree_lock *hlock = NULL;
3223 struct lu_fid *fid = &osd_oti_get(env)->oti_fid;
3224 struct osd_device *osd = osd_dev(dt->do_lu.lo_dev);
3228 LINVRNT(osd_invariant(obj));
3229 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3230 LASSERT(handle != NULL);
3232 osd_trans_exec_op(env, handle, OSD_OT_DELETE);
3234 oh = container_of(handle, struct osd_thandle, ot_super);
3235 LASSERT(oh->ot_handle != NULL);
3236 LASSERT(oh->ot_handle->h_transaction != NULL);
3238 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_DELETE))
3241 ll_vfs_dq_init(dir);
3242 dentry = osd_child_dentry_get(env, obj,
3243 (char *)key, strlen((char *)key));
3245 if (obj->oo_hl_head != NULL) {
3246 hlock = osd_oti_get(env)->oti_hlock;
3247 ldiskfs_htree_lock(hlock, obj->oo_hl_head,
3248 dir, LDISKFS_HLOCK_DEL);
3250 down_write(&obj->oo_ext_idx_sem);
3253 bh = osd_ldiskfs_find_entry(dir, dentry, &de, hlock);
3255 rc = ldiskfs_delete_entry(oh->ot_handle,
3262 ldiskfs_htree_unlock(hlock);
3264 up_write(&obj->oo_ext_idx_sem);
3269 /* For inode on the remote MDT, .. will point to
3270 * /Agent directory. So
3271 * 1. do not need to lookup/delete remote inode for ..
3272 * 2. Check whether it needs to delete from agent directory */
3273 if (strcmp((char *)key, dotdot) == 0) {
3274 rc = osd_delete_from_remote_parent(env, osd_obj2dev(obj), obj,
3276 if (rc != 0 && rc != -ENOENT) {
3277 CERROR("%s: delete agent inode "DFID": rc = %d\n",
3278 osd_name(osd), PFID(fid), rc);
3287 LASSERT(de != NULL);
3288 rc = osd_get_fid_from_dentry(de, (struct dt_rec *)fid);
3289 if (rc == 0 && osd_remote_fid(env, osd, fid)) {
3290 __u32 ino = le32_to_cpu(de->inode);
3292 rc = osd_delete_remote_inode(env, osd, fid, ino, oh);
3294 CERROR("%s: del local inode "DFID": rc = %d\n",
3295 osd_name(osd), PFID(fid), rc);
3302 LASSERT(osd_invariant(obj));
3307 * Lookup index for \a key and copy record to \a rec.
3309 * \param dt osd index object
3310 * \param key key for index
3311 * \param rec record reference
3313 * \retval +ve success : exact mach
3314 * \retval 0 return record with key not greater than \a key
3315 * \retval -ve failure
3317 static int osd_index_iam_lookup(const struct lu_env *env, struct dt_object *dt,
3318 struct dt_rec *rec, const struct dt_key *key,
3319 struct lustre_capa *capa)
3321 struct osd_object *obj = osd_dt_obj(dt);
3322 struct iam_path_descr *ipd;
3323 struct iam_container *bag = &obj->oo_dir->od_container;
3324 struct osd_thread_info *oti = osd_oti_get(env);
3325 struct iam_iterator *it = &oti->oti_idx_it;
3326 struct iam_rec *iam_rec;
3331 LASSERT(osd_invariant(obj));
3332 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3333 LASSERT(bag->ic_object == obj->oo_inode);
3335 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_LOOKUP))
3338 ipd = osd_idx_ipd_get(env, bag);
3342 /* got ipd now we can start iterator. */
3343 iam_it_init(it, bag, 0, ipd);
3345 if (fid_is_quota(lu_object_fid(&dt->do_lu))) {
3346 /* swab quota uid/gid provided by caller */
3347 oti->oti_quota_id = cpu_to_le64(*((__u64 *)key));
3348 key = (const struct dt_key *)&oti->oti_quota_id;
3351 rc = iam_it_get(it, (struct iam_key *)key);
3353 if (S_ISDIR(obj->oo_inode->i_mode))
3354 iam_rec = (struct iam_rec *)oti->oti_ldp;
3356 iam_rec = (struct iam_rec *) rec;
3358 iam_reccpy(&it->ii_path.ip_leaf, (struct iam_rec *)iam_rec);
3360 if (S_ISDIR(obj->oo_inode->i_mode))
3361 osd_fid_unpack((struct lu_fid *) rec,
3362 (struct osd_fid_pack *)iam_rec);
3363 else if (fid_is_quota(lu_object_fid(&dt->do_lu)))
3364 osd_quota_unpack(obj, rec);
3369 osd_ipd_put(env, bag, ipd);
3371 LINVRNT(osd_invariant(obj));
3376 static int osd_index_declare_iam_insert(const struct lu_env *env,
3377 struct dt_object *dt,
3378 const struct dt_rec *rec,
3379 const struct dt_key *key,
3380 struct thandle *handle)
3382 struct osd_thandle *oh;
3384 LASSERT(handle != NULL);
3386 oh = container_of0(handle, struct osd_thandle, ot_super);
3387 LASSERT(oh->ot_handle == NULL);
3389 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
3390 osd_dto_credits_noquota[DTO_INDEX_INSERT]);
3396 * Inserts (key, value) pair in \a dt index object.
3398 * \param dt osd index object
3399 * \param key key for index
3400 * \param rec record reference
3401 * \param th transaction handler
3404 * \retval -ve failure
3406 static int osd_index_iam_insert(const struct lu_env *env, struct dt_object *dt,
3407 const struct dt_rec *rec,
3408 const struct dt_key *key, struct thandle *th,
3409 struct lustre_capa *capa, int ignore_quota)
3411 struct osd_object *obj = osd_dt_obj(dt);
3412 struct iam_path_descr *ipd;
3413 struct osd_thandle *oh;
3414 struct iam_container *bag = &obj->oo_dir->od_container;
3415 struct osd_thread_info *oti = osd_oti_get(env);
3416 struct iam_rec *iam_rec;
3421 LINVRNT(osd_invariant(obj));
3422 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3423 LASSERT(bag->ic_object == obj->oo_inode);
3424 LASSERT(th != NULL);
3426 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_INSERT))
3429 osd_trans_exec_op(env, th, OSD_OT_INSERT);
3431 ipd = osd_idx_ipd_get(env, bag);
3432 if (unlikely(ipd == NULL))
3435 oh = container_of0(th, struct osd_thandle, ot_super);
3436 LASSERT(oh->ot_handle != NULL);
3437 LASSERT(oh->ot_handle->h_transaction != NULL);
3438 if (S_ISDIR(obj->oo_inode->i_mode)) {
3439 iam_rec = (struct iam_rec *)oti->oti_ldp;
3440 osd_fid_pack((struct osd_fid_pack *)iam_rec, rec, &oti->oti_fid);
3441 } else if (fid_is_quota(lu_object_fid(&dt->do_lu))) {
3442 /* pack quota uid/gid */
3443 oti->oti_quota_id = cpu_to_le64(*((__u64 *)key));
3444 key = (const struct dt_key *)&oti->oti_quota_id;
3445 /* pack quota record */
3446 rec = osd_quota_pack(obj, rec, &oti->oti_quota_rec);
3447 iam_rec = (struct iam_rec *)rec;
3449 iam_rec = (struct iam_rec *)rec;
3452 rc = iam_insert(oh->ot_handle, bag, (const struct iam_key *)key,
3454 osd_ipd_put(env, bag, ipd);
3455 LINVRNT(osd_invariant(obj));
3460 * Calls ldiskfs_add_entry() to add directory entry
3461 * into the directory. This is required for
3462 * interoperability mode (b11826)
3464 * \retval 0, on success
3465 * \retval -ve, on error
3467 static int __osd_ea_add_rec(struct osd_thread_info *info,
3468 struct osd_object *pobj, struct inode *cinode,
3469 const char *name, const struct dt_rec *fid,
3470 struct htree_lock *hlock, struct thandle *th)
3472 struct ldiskfs_dentry_param *ldp;
3473 struct dentry *child;
3474 struct osd_thandle *oth;
3477 oth = container_of(th, struct osd_thandle, ot_super);
3478 LASSERT(oth->ot_handle != NULL);
3479 LASSERT(oth->ot_handle->h_transaction != NULL);
3480 LASSERT(pobj->oo_inode);
3482 ldp = (struct ldiskfs_dentry_param *)info->oti_ldp;
3483 if (unlikely(pobj->oo_inode ==
3484 osd_sb(osd_obj2dev(pobj))->s_root->d_inode))
3487 osd_get_ldiskfs_dirent_param(ldp, fid);
3488 child = osd_child_dentry_get(info->oti_env, pobj, name, strlen(name));
3489 child->d_fsdata = (void *)ldp;
3490 ll_vfs_dq_init(pobj->oo_inode);
3491 rc = osd_ldiskfs_add_entry(oth->ot_handle, child, cinode, hlock);
3497 * Calls ldiskfs_add_dot_dotdot() to add dot and dotdot entries
3498 * into the directory.Also sets flags into osd object to
3499 * indicate dot and dotdot are created. This is required for
3500 * interoperability mode (b11826)
3502 * \param dir directory for dot and dotdot fixup.
3503 * \param obj child object for linking
3505 * \retval 0, on success
3506 * \retval -ve, on error
3508 static int osd_add_dot_dotdot(struct osd_thread_info *info,
3509 struct osd_object *dir,
3510 struct inode *parent_dir, const char *name,
3511 const struct dt_rec *dot_fid,
3512 const struct dt_rec *dot_dot_fid,
3515 struct inode *inode = dir->oo_inode;
3516 struct osd_thandle *oth;
3519 oth = container_of(th, struct osd_thandle, ot_super);
3520 LASSERT(oth->ot_handle->h_transaction != NULL);
3521 LASSERT(S_ISDIR(dir->oo_inode->i_mode));
3523 if (strcmp(name, dot) == 0) {
3524 if (dir->oo_compat_dot_created) {
3527 LASSERT(inode == parent_dir);
3528 dir->oo_compat_dot_created = 1;
3531 } else if (strcmp(name, dotdot) == 0) {
3532 if (!dir->oo_compat_dot_created)
3534 /* in case of rename, dotdot is already created */
3535 if (dir->oo_compat_dotdot_created) {
3536 return __osd_ea_add_rec(info, dir, parent_dir, name,
3537 dot_dot_fid, NULL, th);
3540 result = osd_add_dot_dotdot_internal(info, dir->oo_inode,
3541 parent_dir, dot_fid,
3544 dir->oo_compat_dotdot_created = 1;
3552 * It will call the appropriate osd_add* function and return the
3553 * value, return by respective functions.
3555 static int osd_ea_add_rec(const struct lu_env *env, struct osd_object *pobj,
3556 struct inode *cinode, const char *name,
3557 const struct dt_rec *fid, struct thandle *th)
3559 struct osd_thread_info *info = osd_oti_get(env);
3560 struct htree_lock *hlock;
3563 hlock = pobj->oo_hl_head != NULL ? info->oti_hlock : NULL;
3565 if (name[0] == '.' && (name[1] == '\0' || (name[1] == '.' &&
3567 if (hlock != NULL) {
3568 ldiskfs_htree_lock(hlock, pobj->oo_hl_head,
3571 down_write(&pobj->oo_ext_idx_sem);
3573 rc = osd_add_dot_dotdot(info, pobj, cinode, name,
3574 (struct dt_rec *)lu_object_fid(&pobj->oo_dt.do_lu),
3577 if (hlock != NULL) {
3578 ldiskfs_htree_lock(hlock, pobj->oo_hl_head,
3579 pobj->oo_inode, LDISKFS_HLOCK_ADD);
3581 down_write(&pobj->oo_ext_idx_sem);
3584 if (OBD_FAIL_CHECK(OBD_FAIL_FID_INDIR)) {
3585 struct lu_fid *tfid = &info->oti_fid;
3587 *tfid = *(const struct lu_fid *)fid;
3589 rc = __osd_ea_add_rec(info, pobj, cinode, name,
3590 (const struct dt_rec *)tfid,
3593 rc = __osd_ea_add_rec(info, pobj, cinode, name, fid,
3598 ldiskfs_htree_unlock(hlock);
3600 up_write(&pobj->oo_ext_idx_sem);
3606 osd_consistency_check(struct osd_thread_info *oti, struct osd_device *dev,
3607 struct osd_idmap_cache *oic)
3609 struct osd_scrub *scrub = &dev->od_scrub;
3610 struct lu_fid *fid = &oic->oic_fid;
3611 struct osd_inode_id *id = &oti->oti_id;
3616 if (!fid_is_norm(fid) && !fid_is_igif(fid))
3620 rc = osd_oi_lookup(oti, dev, fid, id, true);
3621 if (rc != 0 && rc != -ENOENT)
3624 if (rc == 0 && osd_id_eq(id, &oic->oic_lid))
3627 if (thread_is_running(&scrub->os_thread)) {
3628 rc = osd_oii_insert(dev, oic, rc == -ENOENT);
3629 /* There is race condition between osd_oi_lookup and OI scrub.
3630 * The OI scrub finished just after osd_oi_lookup() failure.
3631 * Under such case, it is unnecessary to trigger OI scrub again,
3632 * but try to call osd_oi_lookup() again. */
3633 if (unlikely(rc == -EAGAIN))
3639 if (!dev->od_noscrub && ++once == 1) {
3640 CDEBUG(D_LFSCK, "Trigger OI scrub by RPC for "DFID"\n",
3642 rc = osd_scrub_start(dev);
3643 LCONSOLE_ERROR("%.16s: trigger OI scrub by RPC for "DFID
3645 LDISKFS_SB(osd_sb(dev))->s_es->s_volume_name,
3654 static int osd_fail_fid_lookup(struct osd_thread_info *oti,
3655 struct osd_device *dev,
3656 struct osd_idmap_cache *oic,
3657 struct lu_fid *fid, __u32 ino)
3659 struct lustre_mdt_attrs *lma = &oti->oti_mdt_attrs;
3660 struct inode *inode;
3663 osd_id_gen(&oic->oic_lid, ino, OSD_OII_NOGEN);
3664 inode = osd_iget(oti, dev, &oic->oic_lid);
3665 if (IS_ERR(inode)) {
3666 fid_zero(&oic->oic_fid);
3667 return PTR_ERR(inode);
3670 rc = osd_get_lma(oti, inode, &oti->oti_obj_dentry, lma);
3673 fid_zero(&oic->oic_fid);
3675 *fid = oic->oic_fid = lma->lma_self_fid;
3680 * Calls ->lookup() to find dentry. From dentry get inode and
3681 * read inode's ea to get fid. This is required for interoperability
3684 * \retval 0, on success
3685 * \retval -ve, on error
3687 static int osd_ea_lookup_rec(const struct lu_env *env, struct osd_object *obj,
3688 struct dt_rec *rec, const struct dt_key *key)
3690 struct inode *dir = obj->oo_inode;
3691 struct dentry *dentry;
3692 struct ldiskfs_dir_entry_2 *de;
3693 struct buffer_head *bh;
3694 struct lu_fid *fid = (struct lu_fid *) rec;
3695 struct htree_lock *hlock = NULL;
3700 LASSERT(dir->i_op != NULL && dir->i_op->lookup != NULL);
3702 dentry = osd_child_dentry_get(env, obj,
3703 (char *)key, strlen((char *)key));
3705 if (obj->oo_hl_head != NULL) {
3706 hlock = osd_oti_get(env)->oti_hlock;
3707 ldiskfs_htree_lock(hlock, obj->oo_hl_head,
3708 dir, LDISKFS_HLOCK_LOOKUP);
3710 down_read(&obj->oo_ext_idx_sem);
3713 bh = osd_ldiskfs_find_entry(dir, dentry, &de, hlock);
3715 struct osd_thread_info *oti = osd_oti_get(env);
3716 struct osd_inode_id *id = &oti->oti_id;
3717 struct osd_idmap_cache *oic = &oti->oti_cache;
3718 struct osd_device *dev = osd_obj2dev(obj);
3719 struct osd_scrub *scrub = &dev->od_scrub;
3720 struct scrub_file *sf = &scrub->os_file;
3722 ino = le32_to_cpu(de->inode);
3723 if (OBD_FAIL_CHECK(OBD_FAIL_FID_LOOKUP)) {
3725 rc = osd_fail_fid_lookup(oti, dev, oic, fid, ino);
3729 rc = osd_get_fid_from_dentry(de, rec);
3731 /* done with de, release bh */
3734 rc = osd_ea_fid_get(env, obj, ino, fid, id);
3736 osd_id_gen(id, ino, OSD_OII_NOGEN);
3737 if (rc != 0 || osd_remote_fid(env, dev, fid)) {
3738 fid_zero(&oic->oic_fid);
3743 oic->oic_fid = *fid;
3744 if ((scrub->os_pos_current <= ino) &&
3745 ((sf->sf_flags & SF_INCONSISTENT) ||
3746 (sf->sf_flags & SF_UPGRADE && fid_is_igif(fid)) ||
3747 ldiskfs_test_bit(osd_oi_fid2idx(dev, fid),
3749 osd_consistency_check(oti, dev, oic);
3758 ldiskfs_htree_unlock(hlock);
3760 up_read(&obj->oo_ext_idx_sem);
3765 * Find the osd object for given fid.
3767 * \param fid need to find the osd object having this fid
3769 * \retval osd_object on success
3770 * \retval -ve on error
3772 struct osd_object *osd_object_find(const struct lu_env *env,
3773 struct dt_object *dt,
3774 const struct lu_fid *fid)
3776 struct lu_device *ludev = dt->do_lu.lo_dev;
3777 struct osd_object *child = NULL;
3778 struct lu_object *luch;
3779 struct lu_object *lo;
3782 * at this point topdev might not exist yet
3783 * (i.e. MGS is preparing profiles). so we can
3784 * not rely on topdev and instead lookup with
3785 * our device passed as topdev. this can't work
3786 * if the object isn't cached yet (as osd doesn't
3787 * allocate lu_header). IOW, the object must be
3788 * in the cache, otherwise lu_object_alloc() crashes
3791 luch = lu_object_find_at(env, ludev, fid, NULL);
3792 if (!IS_ERR(luch)) {
3793 if (lu_object_exists(luch)) {
3794 lo = lu_object_locate(luch->lo_header, ludev->ld_type);
3796 child = osd_obj(lo);
3798 LU_OBJECT_DEBUG(D_ERROR, env, luch,
3799 "lu_object can't be located"
3800 DFID"\n", PFID(fid));
3802 if (child == NULL) {
3803 lu_object_put(env, luch);
3804 CERROR("Unable to get osd_object\n");
3805 child = ERR_PTR(-ENOENT);
3808 LU_OBJECT_DEBUG(D_ERROR, env, luch,
3809 "lu_object does not exists "DFID"\n",
3811 lu_object_put(env, luch);
3812 child = ERR_PTR(-ENOENT);
3815 child = (void *)luch;
3821 * Put the osd object once done with it.
3823 * \param obj osd object that needs to be put
3825 static inline void osd_object_put(const struct lu_env *env,
3826 struct osd_object *obj)
3828 lu_object_put(env, &obj->oo_dt.do_lu);
3831 static int osd_index_declare_ea_insert(const struct lu_env *env,
3832 struct dt_object *dt,
3833 const struct dt_rec *rec,
3834 const struct dt_key *key,
3835 struct thandle *handle)
3837 struct osd_thandle *oh;
3838 struct osd_device *osd = osd_dev(dt->do_lu.lo_dev);
3839 struct lu_fid *fid = (struct lu_fid *)rec;
3843 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3844 LASSERT(handle != NULL);
3846 oh = container_of0(handle, struct osd_thandle, ot_super);
3847 LASSERT(oh->ot_handle == NULL);
3849 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
3850 osd_dto_credits_noquota[DTO_INDEX_INSERT]);
3852 if (osd_dt_obj(dt)->oo_inode == NULL) {
3853 const char *name = (const char *)key;
3854 /* Object is not being created yet. Only happens when
3855 * 1. declare directory create
3856 * 2. declare insert .
3857 * 3. declare insert ..
3859 LASSERT(strcmp(name, dotdot) == 0 || strcmp(name, dot) == 0);
3861 struct inode *inode = osd_dt_obj(dt)->oo_inode;
3863 /* We ignore block quota on meta pool (MDTs), so needn't
3864 * calculate how many blocks will be consumed by this index
3866 rc = osd_declare_inode_qid(env, inode->i_uid, inode->i_gid, 0,
3867 oh, true, true, NULL, false);
3873 rc = osd_remote_fid(env, osd, fid);
3879 osd_trans_declare_op(env, oh, OSD_OT_CREATE,
3880 osd_dto_credits_noquota[DTO_OBJECT_CREATE]);
3881 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
3882 osd_dto_credits_noquota[DTO_INDEX_INSERT] + 1);
3883 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
3884 osd_dto_credits_noquota[DTO_INDEX_INSERT] + 1);
3890 * Index add function for interoperability mode (b11826).
3891 * It will add the directory entry.This entry is needed to
3892 * maintain name->fid mapping.
3894 * \param key it is key i.e. file entry to be inserted
3895 * \param rec it is value of given key i.e. fid
3897 * \retval 0, on success
3898 * \retval -ve, on error
3900 static int osd_index_ea_insert(const struct lu_env *env, struct dt_object *dt,
3901 const struct dt_rec *rec,
3902 const struct dt_key *key, struct thandle *th,
3903 struct lustre_capa *capa, int ignore_quota)
3905 struct osd_object *obj = osd_dt_obj(dt);
3906 struct osd_device *osd = osd_dev(dt->do_lu.lo_dev);
3907 struct lu_fid *fid = (struct lu_fid *) rec;
3908 const char *name = (const char *)key;
3909 struct osd_thread_info *oti = osd_oti_get(env);
3910 struct osd_inode_id *id = &oti->oti_id;
3911 struct inode *child_inode = NULL;
3912 struct osd_object *child = NULL;
3916 LASSERT(osd_invariant(obj));
3917 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3918 LASSERT(th != NULL);
3920 osd_trans_exec_op(env, th, OSD_OT_INSERT);
3922 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_INSERT))
3925 LASSERTF(fid_is_sane(fid), "fid"DFID" is insane!", PFID(fid));
3927 rc = osd_remote_fid(env, osd, fid);
3929 CERROR("%s: Can not find object "DFID" rc %d\n",
3930 osd_name(osd), PFID(fid), rc);
3935 /* Insert remote entry */
3936 if (strcmp(name, dotdot) == 0 && strlen(name) == 2) {
3937 struct osd_mdobj_map *omm = osd->od_mdt_map;
3938 struct osd_thandle *oh;
3940 /* If parent on remote MDT, we need put this object
3942 oh = container_of(th, typeof(*oh), ot_super);
3943 rc = osd_add_to_remote_parent(env, osd, obj, oh);
3945 CERROR("%s: add "DFID" error: rc = %d\n",
3947 PFID(lu_object_fid(&dt->do_lu)), rc);
3951 child_inode = igrab(omm->omm_remote_parent->d_inode);
3953 child_inode = osd_create_local_agent_inode(env, osd,
3956 if (IS_ERR(child_inode))
3957 RETURN(PTR_ERR(child_inode));
3960 /* Insert local entry */
3961 child = osd_object_find(env, dt, fid);
3962 if (IS_ERR(child)) {
3963 CERROR("%s: Can not find object "DFID"%u:%u: rc = %d\n",
3964 osd_name(osd), PFID(fid),
3965 id->oii_ino, id->oii_gen,
3966 (int)PTR_ERR(child_inode));
3967 RETURN(PTR_ERR(child_inode));
3969 child_inode = igrab(child->oo_inode);
3972 rc = osd_ea_add_rec(env, obj, child_inode, name, rec, th);
3976 osd_object_put(env, child);
3977 LASSERT(osd_invariant(obj));
3982 * Initialize osd Iterator for given osd index object.
3984 * \param dt osd index object
3987 static struct dt_it *osd_it_iam_init(const struct lu_env *env,
3988 struct dt_object *dt,
3990 struct lustre_capa *capa)
3992 struct osd_it_iam *it;
3993 struct osd_thread_info *oti = osd_oti_get(env);
3994 struct osd_object *obj = osd_dt_obj(dt);
3995 struct lu_object *lo = &dt->do_lu;
3996 struct iam_path_descr *ipd;
3997 struct iam_container *bag = &obj->oo_dir->od_container;
3999 LASSERT(lu_object_exists(lo));
4001 if (osd_object_auth(env, dt, capa, CAPA_OPC_BODY_READ))
4002 return ERR_PTR(-EACCES);
4005 ipd = osd_it_ipd_get(env, bag);
4006 if (likely(ipd != NULL)) {
4010 iam_it_init(&it->oi_it, bag, IAM_IT_MOVE, ipd);
4011 return (struct dt_it *)it;
4013 return ERR_PTR(-ENOMEM);
4017 * free given Iterator.
4020 static void osd_it_iam_fini(const struct lu_env *env, struct dt_it *di)
4022 struct osd_it_iam *it = (struct osd_it_iam *)di;
4023 struct osd_object *obj = it->oi_obj;
4025 iam_it_fini(&it->oi_it);
4026 osd_ipd_put(env, &obj->oo_dir->od_container, it->oi_ipd);
4027 lu_object_put(env, &obj->oo_dt.do_lu);
4031 * Move Iterator to record specified by \a key
4033 * \param di osd iterator
4034 * \param key key for index
4036 * \retval +ve di points to record with least key not larger than key
4037 * \retval 0 di points to exact matched key
4038 * \retval -ve failure
4041 static int osd_it_iam_get(const struct lu_env *env,
4042 struct dt_it *di, const struct dt_key *key)
4044 struct osd_thread_info *oti = osd_oti_get(env);
4045 struct osd_it_iam *it = (struct osd_it_iam *)di;
4047 if (fid_is_quota(lu_object_fid(&it->oi_obj->oo_dt.do_lu))) {
4048 /* swab quota uid/gid */
4049 oti->oti_quota_id = cpu_to_le64(*((__u64 *)key));
4050 key = (struct dt_key *)&oti->oti_quota_id;
4053 return iam_it_get(&it->oi_it, (const struct iam_key *)key);
4059 * \param di osd iterator
4061 static void osd_it_iam_put(const struct lu_env *env, struct dt_it *di)
4063 struct osd_it_iam *it = (struct osd_it_iam *)di;
4065 iam_it_put(&it->oi_it);
4069 * Move iterator by one record
4071 * \param di osd iterator
4073 * \retval +1 end of container reached
4075 * \retval -ve failure
4078 static int osd_it_iam_next(const struct lu_env *env, struct dt_it *di)
4080 struct osd_it_iam *it = (struct osd_it_iam *)di;
4082 return iam_it_next(&it->oi_it);
4086 * Return pointer to the key under iterator.
4089 static struct dt_key *osd_it_iam_key(const struct lu_env *env,
4090 const struct dt_it *di)
4092 struct osd_thread_info *oti = osd_oti_get(env);
4093 struct osd_it_iam *it = (struct osd_it_iam *)di;
4094 struct osd_object *obj = it->oi_obj;
4097 key = (struct dt_key *)iam_it_key_get(&it->oi_it);
4099 if (!IS_ERR(key) && fid_is_quota(lu_object_fid(&obj->oo_dt.do_lu))) {
4100 /* swab quota uid/gid */
4101 oti->oti_quota_id = le64_to_cpu(*((__u64 *)key));
4102 key = (struct dt_key *)&oti->oti_quota_id;
4109 * Return size of key under iterator (in bytes)
4112 static int osd_it_iam_key_size(const struct lu_env *env, const struct dt_it *di)
4114 struct osd_it_iam *it = (struct osd_it_iam *)di;
4116 return iam_it_key_size(&it->oi_it);
4120 osd_it_append_attrs(struct lu_dirent *ent, int len, __u16 type)
4122 /* check if file type is required */
4123 if (ent->lde_attrs & LUDA_TYPE) {
4124 struct luda_type *lt;
4125 int align = sizeof(*lt) - 1;
4127 len = (len + align) & ~align;
4128 lt = (struct luda_type *)(ent->lde_name + len);
4129 lt->lt_type = cpu_to_le16(DTTOIF(type));
4132 ent->lde_attrs = cpu_to_le32(ent->lde_attrs);
4136 * build lu direct from backend fs dirent.
4140 osd_it_pack_dirent(struct lu_dirent *ent, struct lu_fid *fid, __u64 offset,
4141 char *name, __u16 namelen, __u16 type, __u32 attr)
4143 ent->lde_attrs = attr | LUDA_FID;
4144 fid_cpu_to_le(&ent->lde_fid, fid);
4146 ent->lde_hash = cpu_to_le64(offset);
4147 ent->lde_reclen = cpu_to_le16(lu_dirent_calc_size(namelen, attr));
4149 strncpy(ent->lde_name, name, namelen);
4150 ent->lde_name[namelen] = '\0';
4151 ent->lde_namelen = cpu_to_le16(namelen);
4153 /* append lustre attributes */
4154 osd_it_append_attrs(ent, namelen, type);
4158 * Return pointer to the record under iterator.
4160 static int osd_it_iam_rec(const struct lu_env *env,
4161 const struct dt_it *di,
4162 struct dt_rec *dtrec, __u32 attr)
4164 struct osd_it_iam *it = (struct osd_it_iam *)di;
4165 struct osd_thread_info *info = osd_oti_get(env);
4168 if (S_ISDIR(it->oi_obj->oo_inode->i_mode)) {
4169 const struct osd_fid_pack *rec;
4170 struct lu_fid *fid = &info->oti_fid;
4171 struct lu_dirent *lde = (struct lu_dirent *)dtrec;
4177 name = (char *)iam_it_key_get(&it->oi_it);
4179 RETURN(PTR_ERR(name));
4181 namelen = iam_it_key_size(&it->oi_it);
4183 rec = (const struct osd_fid_pack *)iam_it_rec_get(&it->oi_it);
4185 RETURN(PTR_ERR(rec));
4187 rc = osd_fid_unpack(fid, rec);
4191 hash = iam_it_store(&it->oi_it);
4193 /* IAM does not store object type in IAM index (dir) */
4194 osd_it_pack_dirent(lde, fid, hash, name, namelen,
4196 } else if (fid_is_quota(lu_object_fid(&it->oi_obj->oo_dt.do_lu))) {
4197 iam_reccpy(&it->oi_it.ii_path.ip_leaf,
4198 (struct iam_rec *)dtrec);
4199 osd_quota_unpack(it->oi_obj, dtrec);
4201 iam_reccpy(&it->oi_it.ii_path.ip_leaf,
4202 (struct iam_rec *)dtrec);
4209 * Returns cookie for current Iterator position.
4211 static __u64 osd_it_iam_store(const struct lu_env *env, const struct dt_it *di)
4213 struct osd_it_iam *it = (struct osd_it_iam *)di;
4215 return iam_it_store(&it->oi_it);
4219 * Restore iterator from cookie.
4221 * \param di osd iterator
4222 * \param hash Iterator location cookie
4224 * \retval +ve di points to record with least key not larger than key.
4225 * \retval 0 di points to exact matched key
4226 * \retval -ve failure
4229 static int osd_it_iam_load(const struct lu_env *env,
4230 const struct dt_it *di, __u64 hash)
4232 struct osd_it_iam *it = (struct osd_it_iam *)di;
4234 return iam_it_load(&it->oi_it, hash);
4237 static const struct dt_index_operations osd_index_iam_ops = {
4238 .dio_lookup = osd_index_iam_lookup,
4239 .dio_declare_insert = osd_index_declare_iam_insert,
4240 .dio_insert = osd_index_iam_insert,
4241 .dio_declare_delete = osd_index_declare_iam_delete,
4242 .dio_delete = osd_index_iam_delete,
4244 .init = osd_it_iam_init,
4245 .fini = osd_it_iam_fini,
4246 .get = osd_it_iam_get,
4247 .put = osd_it_iam_put,
4248 .next = osd_it_iam_next,
4249 .key = osd_it_iam_key,
4250 .key_size = osd_it_iam_key_size,
4251 .rec = osd_it_iam_rec,
4252 .store = osd_it_iam_store,
4253 .load = osd_it_iam_load
4259 * Creates or initializes iterator context.
4261 * \retval struct osd_it_ea, iterator structure on success
4264 static struct dt_it *osd_it_ea_init(const struct lu_env *env,
4265 struct dt_object *dt,
4267 struct lustre_capa *capa)
4269 struct osd_object *obj = osd_dt_obj(dt);
4270 struct osd_thread_info *info = osd_oti_get(env);
4271 struct osd_it_ea *it = &info->oti_it_ea;
4272 struct lu_object *lo = &dt->do_lu;
4273 struct dentry *obj_dentry = &info->oti_it_dentry;
4275 LASSERT(lu_object_exists(lo));
4277 obj_dentry->d_inode = obj->oo_inode;
4278 obj_dentry->d_sb = osd_sb(osd_obj2dev(obj));
4279 obj_dentry->d_name.hash = 0;
4281 it->oie_rd_dirent = 0;
4282 it->oie_it_dirent = 0;
4283 it->oie_dirent = NULL;
4284 it->oie_buf = info->oti_it_ea_buf;
4286 it->oie_file.f_pos = 0;
4287 it->oie_file.f_dentry = obj_dentry;
4288 if (attr & LUDA_64BITHASH)
4289 it->oie_file.f_mode |= FMODE_64BITHASH;
4291 it->oie_file.f_mode |= FMODE_32BITHASH;
4292 it->oie_file.f_mapping = obj->oo_inode->i_mapping;
4293 it->oie_file.f_op = obj->oo_inode->i_fop;
4294 it->oie_file.private_data = NULL;
4296 RETURN((struct dt_it *) it);
4300 * Destroy or finishes iterator context.
4302 * \param di iterator structure to be destroyed
4304 static void osd_it_ea_fini(const struct lu_env *env, struct dt_it *di)
4306 struct osd_it_ea *it = (struct osd_it_ea *)di;
4307 struct osd_object *obj = it->oie_obj;
4308 struct inode *inode = obj->oo_inode;
4311 it->oie_file.f_op->release(inode, &it->oie_file);
4312 lu_object_put(env, &obj->oo_dt.do_lu);
4317 * It position the iterator at given key, so that next lookup continues from
4318 * that key Or it is similar to dio_it->load() but based on a key,
4319 * rather than file position.
4321 * As a special convention, osd_it_ea_get(env, di, "") has to rewind iterator
4324 * TODO: Presently return +1 considering it is only used by mdd_dir_is_empty().
4326 static int osd_it_ea_get(const struct lu_env *env,
4327 struct dt_it *di, const struct dt_key *key)
4329 struct osd_it_ea *it = (struct osd_it_ea *)di;
4332 LASSERT(((const char *)key)[0] == '\0');
4333 it->oie_file.f_pos = 0;
4334 it->oie_rd_dirent = 0;
4335 it->oie_it_dirent = 0;
4336 it->oie_dirent = NULL;
4344 static void osd_it_ea_put(const struct lu_env *env, struct dt_it *di)
4349 * It is called internally by ->readdir(). It fills the
4350 * iterator's in-memory data structure with required
4351 * information i.e. name, namelen, rec_size etc.
4353 * \param buf in which information to be filled in.
4354 * \param name name of the file in given dir
4356 * \retval 0 on success
4357 * \retval 1 on buffer full
4359 static int osd_ldiskfs_filldir(char *buf, const char *name, int namelen,
4360 loff_t offset, __u64 ino,
4363 struct osd_it_ea *it = (struct osd_it_ea *)buf;
4364 struct osd_object *obj = it->oie_obj;
4365 struct osd_it_ea_dirent *ent = it->oie_dirent;
4366 struct lu_fid *fid = &ent->oied_fid;
4367 struct osd_fid_pack *rec;
4370 /* this should never happen */
4371 if (unlikely(namelen == 0 || namelen > LDISKFS_NAME_LEN)) {
4372 CERROR("ldiskfs return invalid namelen %d\n", namelen);
4376 if ((void *) ent - it->oie_buf + sizeof(*ent) + namelen >
4380 /* "." is just the object itself. */
4381 if (namelen == 1 && name[0] == '.') {
4382 *fid = obj->oo_dt.do_lu.lo_header->loh_fid;
4383 } else if (d_type & LDISKFS_DIRENT_LUFID) {
4384 rec = (struct osd_fid_pack*) (name + namelen + 1);
4385 if (osd_fid_unpack(fid, rec) != 0)
4390 d_type &= ~LDISKFS_DIRENT_LUFID;
4392 /* NOT export local root. */
4393 if (unlikely(osd_sb(osd_obj2dev(obj))->s_root->d_inode->i_ino == ino)) {
4394 ino = obj->oo_inode->i_ino;
4395 *fid = obj->oo_dt.do_lu.lo_header->loh_fid;
4398 ent->oied_ino = ino;
4399 ent->oied_off = offset;
4400 ent->oied_namelen = namelen;
4401 ent->oied_type = d_type;
4403 memcpy(ent->oied_name, name, namelen);
4405 it->oie_rd_dirent++;
4406 it->oie_dirent = (void *) ent + cfs_size_round(sizeof(*ent) + namelen);
4411 * Calls ->readdir() to load a directory entry at a time
4412 * and stored it in iterator's in-memory data structure.
4414 * \param di iterator's in memory structure
4416 * \retval 0 on success
4417 * \retval -ve on error
4419 static int osd_ldiskfs_it_fill(const struct lu_env *env,
4420 const struct dt_it *di)
4422 struct osd_it_ea *it = (struct osd_it_ea *)di;
4423 struct osd_object *obj = it->oie_obj;
4424 struct inode *inode = obj->oo_inode;
4425 struct htree_lock *hlock = NULL;
4429 it->oie_dirent = it->oie_buf;
4430 it->oie_rd_dirent = 0;
4432 if (obj->oo_hl_head != NULL) {
4433 hlock = osd_oti_get(env)->oti_hlock;
4434 ldiskfs_htree_lock(hlock, obj->oo_hl_head,
4435 inode, LDISKFS_HLOCK_READDIR);
4437 down_read(&obj->oo_ext_idx_sem);
4440 result = inode->i_fop->readdir(&it->oie_file, it,
4441 (filldir_t) osd_ldiskfs_filldir);
4444 ldiskfs_htree_unlock(hlock);
4446 up_read(&obj->oo_ext_idx_sem);
4448 if (it->oie_rd_dirent == 0) {
4451 it->oie_dirent = it->oie_buf;
4452 it->oie_it_dirent = 1;
4459 * It calls osd_ldiskfs_it_fill() which will use ->readdir()
4460 * to load a directory entry at a time and stored it in
4461 * iterator's in-memory data structure.
4463 * \param di iterator's in memory structure
4465 * \retval +ve iterator reached to end
4466 * \retval 0 iterator not reached to end
4467 * \retval -ve on error
4469 static int osd_it_ea_next(const struct lu_env *env, struct dt_it *di)
4471 struct osd_it_ea *it = (struct osd_it_ea *)di;
4476 if (it->oie_it_dirent < it->oie_rd_dirent) {
4478 (void *) it->oie_dirent +
4479 cfs_size_round(sizeof(struct osd_it_ea_dirent) +
4480 it->oie_dirent->oied_namelen);
4481 it->oie_it_dirent++;
4484 if (it->oie_file.f_pos == ldiskfs_get_htree_eof(&it->oie_file))
4487 rc = osd_ldiskfs_it_fill(env, di);
4494 * Returns the key at current position from iterator's in memory structure.
4496 * \param di iterator's in memory structure
4498 * \retval key i.e. struct dt_key on success
4500 static struct dt_key *osd_it_ea_key(const struct lu_env *env,
4501 const struct dt_it *di)
4503 struct osd_it_ea *it = (struct osd_it_ea *)di;
4505 return (struct dt_key *)it->oie_dirent->oied_name;
4509 * Returns the key's size at current position from iterator's in memory structure.
4511 * \param di iterator's in memory structure
4513 * \retval key_size i.e. struct dt_key on success
4515 static int osd_it_ea_key_size(const struct lu_env *env, const struct dt_it *di)
4517 struct osd_it_ea *it = (struct osd_it_ea *)di;
4519 return it->oie_dirent->oied_namelen;
4523 osd_dirent_update(handle_t *jh, struct super_block *sb,
4524 struct osd_it_ea_dirent *ent, struct lu_fid *fid,
4525 struct buffer_head *bh, struct ldiskfs_dir_entry_2 *de)
4527 struct osd_fid_pack *rec;
4531 LASSERT(de->file_type & LDISKFS_DIRENT_LUFID);
4532 LASSERT(de->rec_len >= de->name_len + sizeof(struct osd_fid_pack));
4534 rc = ldiskfs_journal_get_write_access(jh, bh);
4536 CERROR("%.16s: fail to write access for update dirent: "
4537 "name = %.*s, rc = %d\n",
4538 LDISKFS_SB(sb)->s_es->s_volume_name,
4539 ent->oied_namelen, ent->oied_name, rc);
4543 rec = (struct osd_fid_pack *)(de->name + de->name_len + 1);
4544 fid_cpu_to_be((struct lu_fid *)rec->fp_area, fid);
4545 rc = ldiskfs_journal_dirty_metadata(jh, bh);
4547 CERROR("%.16s: fail to dirty metadata for update dirent: "
4548 "name = %.*s, rc = %d\n",
4549 LDISKFS_SB(sb)->s_es->s_volume_name,
4550 ent->oied_namelen, ent->oied_name, rc);
4556 osd_dirent_has_space(__u16 reclen, __u16 namelen, unsigned blocksize)
4558 if (ldiskfs_rec_len_from_disk(reclen, blocksize) >=
4559 __LDISKFS_DIR_REC_LEN(namelen + 1 + sizeof(struct osd_fid_pack)))
4566 osd_dot_dotdot_has_space(struct ldiskfs_dir_entry_2 *de, int dot_dotdot)
4568 LASSERTF(dot_dotdot == 1 || dot_dotdot == 2,
4569 "dot_dotdot = %d\n", dot_dotdot);
4571 if (LDISKFS_DIR_REC_LEN(de) >=
4572 __LDISKFS_DIR_REC_LEN(dot_dotdot + 1 + sizeof(struct osd_fid_pack)))
4579 osd_dirent_reinsert(const struct lu_env *env, handle_t *jh,
4580 struct inode *dir, struct inode *inode,
4581 struct osd_it_ea_dirent *ent, struct lu_fid *fid,
4582 struct buffer_head *bh, struct ldiskfs_dir_entry_2 *de,
4583 struct htree_lock *hlock)
4585 struct dentry *dentry;
4586 struct osd_fid_pack *rec;
4587 struct ldiskfs_dentry_param *ldp;
4591 if (!LDISKFS_HAS_INCOMPAT_FEATURE(inode->i_sb,
4592 LDISKFS_FEATURE_INCOMPAT_DIRDATA))
4595 /* There is enough space to hold the FID-in-dirent. */
4596 if (osd_dirent_has_space(de->rec_len, ent->oied_namelen,
4597 dir->i_sb->s_blocksize)) {
4598 rc = ldiskfs_journal_get_write_access(jh, bh);
4600 CERROR("%.16s: fail to write access for reinsert "
4601 "dirent: name = %.*s, rc = %d\n",
4602 LDISKFS_SB(inode->i_sb)->s_es->s_volume_name,
4603 ent->oied_namelen, ent->oied_name, rc);
4607 de->name[de->name_len] = 0;
4608 rec = (struct osd_fid_pack *)(de->name + de->name_len + 1);
4609 rec->fp_len = sizeof(struct lu_fid) + 1;
4610 fid_cpu_to_be((struct lu_fid *)rec->fp_area, fid);
4611 de->file_type |= LDISKFS_DIRENT_LUFID;
4613 rc = ldiskfs_journal_dirty_metadata(jh, bh);
4615 CERROR("%.16s: fail to dirty metadata for reinsert "
4616 "dirent: name = %.*s, rc = %d\n",
4617 LDISKFS_SB(inode->i_sb)->s_es->s_volume_name,
4618 ent->oied_namelen, ent->oied_name, rc);
4623 rc = ldiskfs_delete_entry(jh, dir, de, bh);
4625 CERROR("%.16s: fail to delete entry for reinsert dirent: "
4626 "name = %.*s, rc = %d\n",
4627 LDISKFS_SB(inode->i_sb)->s_es->s_volume_name,
4628 ent->oied_namelen, ent->oied_name, rc);
4632 dentry = osd_child_dentry_by_inode(env, dir, ent->oied_name,
4634 ldp = (struct ldiskfs_dentry_param *)osd_oti_get(env)->oti_ldp;
4635 osd_get_ldiskfs_dirent_param(ldp, (const struct dt_rec *)fid);
4636 dentry->d_fsdata = (void *)ldp;
4637 ll_vfs_dq_init(dir);
4638 rc = osd_ldiskfs_add_entry(jh, dentry, inode, hlock);
4639 /* It is too bad, we cannot reinsert the name entry back.
4640 * That means we lose it! */
4642 CERROR("%.16s: fail to insert entry for reinsert dirent: "
4643 "name = %.*s, rc = %d\n",
4644 LDISKFS_SB(inode->i_sb)->s_es->s_volume_name,
4645 ent->oied_namelen, ent->oied_name, rc);
4651 osd_dirent_check_repair(const struct lu_env *env, struct osd_object *obj,
4652 struct osd_it_ea *it, struct lu_fid *fid,
4653 struct osd_inode_id *id, __u32 *attr)
4655 struct osd_thread_info *info = osd_oti_get(env);
4656 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
4657 struct osd_device *dev = osd_obj2dev(obj);
4658 struct super_block *sb = osd_sb(dev);
4659 const char *devname =
4660 LDISKFS_SB(sb)->s_es->s_volume_name;
4661 struct osd_it_ea_dirent *ent = it->oie_dirent;
4662 struct inode *dir = obj->oo_inode;
4663 struct htree_lock *hlock = NULL;
4664 struct buffer_head *bh = NULL;
4665 handle_t *jh = NULL;
4666 struct ldiskfs_dir_entry_2 *de;
4667 struct dentry *dentry;
4668 struct inode *inode;
4675 if (ent->oied_name[0] == '.') {
4676 if (ent->oied_namelen == 1)
4678 else if (ent->oied_namelen == 2 && ent->oied_name[1] == '.')
4682 dentry = osd_child_dentry_get(env, obj, ent->oied_name,
4685 /* We need to ensure that the name entry is still valid.
4686 * Because it may be removed or renamed by other already.
4688 * The unlink or rename operation will start journal before PDO lock,
4689 * so to avoid deadlock, here we need to start journal handle before
4690 * related PDO lock also. But because we do not know whether there
4691 * will be something to be repaired before PDO lock, we just start
4692 * journal without conditions.
4694 * We may need to remove the name entry firstly, then insert back.
4695 * One credit is for user quota file update.
4696 * One credit is for group quota file update.
4697 * Two credits are for dirty inode. */
4698 credits = osd_dto_credits_noquota[DTO_INDEX_DELETE] +
4699 osd_dto_credits_noquota[DTO_INDEX_INSERT] + 1 + 1 + 2;
4702 if (dev->od_dirent_journal) {
4703 jh = ldiskfs_journal_start_sb(sb, credits);
4706 CERROR("%.16s: fail to start trans for dirent "
4707 "check_repair: credits %d, name %.*s, rc %d\n",
4708 devname, credits, ent->oied_namelen,
4709 ent->oied_name, rc);
4713 if (obj->oo_hl_head != NULL) {
4714 hlock = osd_oti_get(env)->oti_hlock;
4715 /* "0" means exclusive lock for the whole directory.
4716 * We need to prevent others access such name entry
4717 * during the delete + insert. Neither HLOCK_ADD nor
4718 * HLOCK_DEL cannot guarantee the atomicity. */
4719 ldiskfs_htree_lock(hlock, obj->oo_hl_head, dir, 0);
4721 down_write(&obj->oo_ext_idx_sem);
4724 if (obj->oo_hl_head != NULL) {
4725 hlock = osd_oti_get(env)->oti_hlock;
4726 ldiskfs_htree_lock(hlock, obj->oo_hl_head, dir,
4727 LDISKFS_HLOCK_LOOKUP);
4729 down_read(&obj->oo_ext_idx_sem);
4733 bh = osd_ldiskfs_find_entry(dir, dentry, &de, hlock);
4734 /* For dot/dotdot entry, if there is not enough space to hold the
4735 * FID-in-dirent, just keep them there. It only happens when the
4736 * device upgraded from 1.8 or restored from MDT file-level backup.
4737 * For the whole directory, only dot/dotdot entry have no FID-in-dirent
4738 * and needs to get FID from LMA when readdir, it will not affect the
4739 * performance much. */
4740 if ((bh == NULL) || (le32_to_cpu(de->inode) != ent->oied_ino) ||
4741 (dot_dotdot != 0 && !osd_dot_dotdot_has_space(de, dot_dotdot))) {
4742 *attr |= LUDA_IGNORE;
4743 GOTO(out_journal, rc = 0);
4746 osd_id_gen(id, ent->oied_ino, OSD_OII_NOGEN);
4747 inode = osd_iget(info, dev, id);
4748 if (IS_ERR(inode)) {
4749 rc = PTR_ERR(inode);
4750 if (rc == -ENOENT || rc == -ESTALE) {
4751 *attr |= LUDA_IGNORE;
4755 GOTO(out_journal, rc);
4758 rc = osd_get_lma(info, inode, &info->oti_obj_dentry, lma);
4760 if (fid_is_sane(fid)) {
4761 /* FID-in-dirent is valid. */
4762 if (lu_fid_eq(fid, &lma->lma_self_fid))
4763 GOTO(out_inode, rc = 0);
4765 /* Do not repair under dryrun mode. */
4766 if (*attr & LUDA_VERIFY_DRYRUN) {
4767 *attr |= LUDA_REPAIR;
4768 GOTO(out_inode, rc = 0);
4771 if (!dev->od_dirent_journal) {
4775 ldiskfs_htree_unlock(hlock);
4777 up_read(&obj->oo_ext_idx_sem);
4778 dev->od_dirent_journal = 1;
4782 *fid = lma->lma_self_fid;
4784 /* Update the FID-in-dirent. */
4785 rc = osd_dirent_update(jh, sb, ent, fid, bh, de);
4787 *attr |= LUDA_REPAIR;
4789 /* Do not repair under dryrun mode. */
4790 if (*attr & LUDA_VERIFY_DRYRUN) {
4791 *fid = lma->lma_self_fid;
4792 *attr |= LUDA_REPAIR;
4793 GOTO(out_inode, rc = 0);
4796 if (!dev->od_dirent_journal) {
4800 ldiskfs_htree_unlock(hlock);
4802 up_read(&obj->oo_ext_idx_sem);
4803 dev->od_dirent_journal = 1;
4807 *fid = lma->lma_self_fid;
4809 /* Append the FID-in-dirent. */
4810 rc = osd_dirent_reinsert(env, jh, dir, inode, ent,
4811 fid, bh, de, hlock);
4813 *attr |= LUDA_REPAIR;
4815 } else if (rc == -ENODATA) {
4816 /* Do not repair under dryrun mode. */
4817 if (*attr & LUDA_VERIFY_DRYRUN) {
4818 if (fid_is_sane(fid)) {
4819 *attr |= LUDA_REPAIR;
4821 lu_igif_build(fid, inode->i_ino,
4822 inode->i_generation);
4823 *attr |= LUDA_UPGRADE;
4825 GOTO(out_inode, rc = 0);
4828 if (!dev->od_dirent_journal) {
4832 ldiskfs_htree_unlock(hlock);
4834 up_read(&obj->oo_ext_idx_sem);
4835 dev->od_dirent_journal = 1;
4840 if (unlikely(fid_is_sane(fid))) {
4841 /* FID-in-dirent exists, but FID-in-LMA is lost.
4842 * Trust the FID-in-dirent, and add FID-in-LMA. */
4843 rc = osd_ea_fid_set(info, inode, fid, 0);
4845 *attr |= LUDA_REPAIR;
4847 lu_igif_build(fid, inode->i_ino, inode->i_generation);
4848 /* It is probably IGIF object. Only aappend the
4849 * FID-in-dirent. OI scrub will process FID-in-LMA. */
4850 rc = osd_dirent_reinsert(env, jh, dir, inode, ent,
4851 fid, bh, de, hlock);
4853 *attr |= LUDA_UPGRADE;
4857 GOTO(out_inode, rc);
4864 if (hlock != NULL) {
4865 ldiskfs_htree_unlock(hlock);
4867 if (dev->od_dirent_journal)
4868 up_write(&obj->oo_ext_idx_sem);
4870 up_read(&obj->oo_ext_idx_sem);
4873 ldiskfs_journal_stop(jh);
4874 if (rc >= 0 && !dirty)
4875 dev->od_dirent_journal = 0;
4880 * Returns the value at current position from iterator's in memory structure.
4882 * \param di struct osd_it_ea, iterator's in memory structure
4883 * \param attr attr requested for dirent.
4884 * \param lde lustre dirent
4886 * \retval 0 no error and \param lde has correct lustre dirent.
4887 * \retval -ve on error
4889 static inline int osd_it_ea_rec(const struct lu_env *env,
4890 const struct dt_it *di,
4891 struct dt_rec *dtrec, __u32 attr)
4893 struct osd_it_ea *it = (struct osd_it_ea *)di;
4894 struct osd_object *obj = it->oie_obj;
4895 struct osd_device *dev = osd_obj2dev(obj);
4896 struct osd_scrub *scrub = &dev->od_scrub;
4897 struct scrub_file *sf = &scrub->os_file;
4898 struct osd_thread_info *oti = osd_oti_get(env);
4899 struct osd_inode_id *id = &oti->oti_id;
4900 struct osd_idmap_cache *oic = &oti->oti_cache;
4901 struct lu_fid *fid = &it->oie_dirent->oied_fid;
4902 struct lu_dirent *lde = (struct lu_dirent *)dtrec;
4903 __u32 ino = it->oie_dirent->oied_ino;
4907 if (attr & LUDA_VERIFY) {
4909 if (unlikely(ino == osd_sb(dev)->s_root->d_inode->i_ino)) {
4910 attr |= LUDA_IGNORE;
4915 rc = osd_dirent_check_repair(env, obj, it, fid, id, &attr);
4917 attr &= ~LU_DIRENT_ATTRS_MASK;
4918 if (!fid_is_sane(fid)) {
4919 if (OBD_FAIL_CHECK(OBD_FAIL_FID_LOOKUP))
4922 rc = osd_ea_fid_get(env, obj, ino, fid, id);
4924 osd_id_gen(id, ino, OSD_OII_NOGEN);
4932 osd_it_pack_dirent(lde, fid, it->oie_dirent->oied_off,
4933 it->oie_dirent->oied_name,
4934 it->oie_dirent->oied_namelen,
4935 it->oie_dirent->oied_type, attr);
4937 if (osd_remote_fid(env, dev, fid))
4940 if (likely(!(attr & LUDA_IGNORE))) {
4942 oic->oic_fid = *fid;
4945 if (!(attr & LUDA_VERIFY) &&
4946 (scrub->os_pos_current <= ino) &&
4947 ((sf->sf_flags & SF_INCONSISTENT) ||
4948 (sf->sf_flags & SF_UPGRADE && fid_is_igif(fid)) ||
4949 ldiskfs_test_bit(osd_oi_fid2idx(dev, fid), sf->sf_oi_bitmap)))
4950 osd_consistency_check(oti, dev, oic);
4956 * Returns a cookie for current position of the iterator head, so that
4957 * user can use this cookie to load/start the iterator next time.
4959 * \param di iterator's in memory structure
4961 * \retval cookie for current position, on success
4963 static __u64 osd_it_ea_store(const struct lu_env *env, const struct dt_it *di)
4965 struct osd_it_ea *it = (struct osd_it_ea *)di;
4967 return it->oie_dirent->oied_off;
4971 * It calls osd_ldiskfs_it_fill() which will use ->readdir()
4972 * to load a directory entry at a time and stored it i inn,
4973 * in iterator's in-memory data structure.
4975 * \param di struct osd_it_ea, iterator's in memory structure
4977 * \retval +ve on success
4978 * \retval -ve on error
4980 static int osd_it_ea_load(const struct lu_env *env,
4981 const struct dt_it *di, __u64 hash)
4983 struct osd_it_ea *it = (struct osd_it_ea *)di;
4987 it->oie_file.f_pos = hash;
4989 rc = osd_ldiskfs_it_fill(env, di);
4997 * Index lookup function for interoperability mode (b11826).
4999 * \param key, key i.e. file name to be searched
5001 * \retval +ve, on success
5002 * \retval -ve, on error
5004 static int osd_index_ea_lookup(const struct lu_env *env, struct dt_object *dt,
5005 struct dt_rec *rec, const struct dt_key *key,
5006 struct lustre_capa *capa)
5008 struct osd_object *obj = osd_dt_obj(dt);
5013 LASSERT(S_ISDIR(obj->oo_inode->i_mode));
5014 LINVRNT(osd_invariant(obj));
5016 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_LOOKUP))
5019 rc = osd_ea_lookup_rec(env, obj, rec, key);
5026 * Index and Iterator operations for interoperability
5027 * mode (i.e. to run 2.0 mds on 1.8 disk) (b11826)
5029 static const struct dt_index_operations osd_index_ea_ops = {
5030 .dio_lookup = osd_index_ea_lookup,
5031 .dio_declare_insert = osd_index_declare_ea_insert,
5032 .dio_insert = osd_index_ea_insert,
5033 .dio_declare_delete = osd_index_declare_ea_delete,
5034 .dio_delete = osd_index_ea_delete,
5036 .init = osd_it_ea_init,
5037 .fini = osd_it_ea_fini,
5038 .get = osd_it_ea_get,
5039 .put = osd_it_ea_put,
5040 .next = osd_it_ea_next,
5041 .key = osd_it_ea_key,
5042 .key_size = osd_it_ea_key_size,
5043 .rec = osd_it_ea_rec,
5044 .store = osd_it_ea_store,
5045 .load = osd_it_ea_load
5049 static void *osd_key_init(const struct lu_context *ctx,
5050 struct lu_context_key *key)
5052 struct osd_thread_info *info;
5054 OBD_ALLOC_PTR(info);
5056 return ERR_PTR(-ENOMEM);
5058 OBD_ALLOC(info->oti_it_ea_buf, OSD_IT_EA_BUFSIZE);
5059 if (info->oti_it_ea_buf == NULL)
5062 info->oti_env = container_of(ctx, struct lu_env, le_ctx);
5064 info->oti_hlock = ldiskfs_htree_lock_alloc();
5065 if (info->oti_hlock == NULL)
5071 OBD_FREE(info->oti_it_ea_buf, OSD_IT_EA_BUFSIZE);
5074 return ERR_PTR(-ENOMEM);
5077 static void osd_key_fini(const struct lu_context *ctx,
5078 struct lu_context_key *key, void* data)
5080 struct osd_thread_info *info = data;
5082 if (info->oti_hlock != NULL)
5083 ldiskfs_htree_lock_free(info->oti_hlock);
5084 OBD_FREE(info->oti_it_ea_buf, OSD_IT_EA_BUFSIZE);
5085 lu_buf_free(&info->oti_iobuf.dr_pg_buf);
5086 lu_buf_free(&info->oti_iobuf.dr_bl_buf);
5090 static void osd_key_exit(const struct lu_context *ctx,
5091 struct lu_context_key *key, void *data)
5093 struct osd_thread_info *info = data;
5095 LASSERT(info->oti_r_locks == 0);
5096 LASSERT(info->oti_w_locks == 0);
5097 LASSERT(info->oti_txns == 0);
5100 /* type constructor/destructor: osd_type_init, osd_type_fini */
5101 LU_TYPE_INIT_FINI(osd, &osd_key);
5103 struct lu_context_key osd_key = {
5104 .lct_tags = LCT_DT_THREAD | LCT_MD_THREAD | LCT_MG_THREAD | LCT_LOCAL,
5105 .lct_init = osd_key_init,
5106 .lct_fini = osd_key_fini,
5107 .lct_exit = osd_key_exit
5111 static int osd_device_init(const struct lu_env *env, struct lu_device *d,
5112 const char *name, struct lu_device *next)
5114 struct osd_device *osd = osd_dev(d);
5116 if (strlcpy(osd->od_svname, name, sizeof(osd->od_svname))
5117 >= sizeof(osd->od_svname))
5119 return osd_procfs_init(osd, name);
5122 static int osd_shutdown(const struct lu_env *env, struct osd_device *o)
5126 osd_scrub_cleanup(env, o);
5129 fsfilt_put_ops(o->od_fsops);
5133 /* shutdown quota slave instance associated with the device */
5134 if (o->od_quota_slave != NULL) {
5135 qsd_fini(env, o->od_quota_slave);
5136 o->od_quota_slave = NULL;
5142 static int osd_mount(const struct lu_env *env,
5143 struct osd_device *o, struct lustre_cfg *cfg)
5145 const char *name = lustre_cfg_string(cfg, 0);
5146 const char *dev = lustre_cfg_string(cfg, 1);
5148 unsigned long page, s_flags, lmd_flags = 0;
5149 struct page *__page;
5150 struct file_system_type *type;
5151 char *options = NULL;
5156 if (o->od_mnt != NULL)
5159 if (strlen(dev) >= sizeof(o->od_mntdev))
5161 strcpy(o->od_mntdev, dev);
5163 o->od_fsops = fsfilt_get_ops(mt_str(LDD_MT_LDISKFS));
5164 if (o->od_fsops == NULL) {
5165 CERROR("Can't find fsfilt_ldiskfs\n");
5169 OBD_PAGE_ALLOC(__page, CFS_ALLOC_STD);
5171 GOTO(out, rc = -ENOMEM);
5173 str = lustre_cfg_string(cfg, 2);
5174 s_flags = simple_strtoul(str, NULL, 0);
5175 str = strstr(str, ":");
5177 lmd_flags = simple_strtoul(str + 1, NULL, 0);
5178 opts = lustre_cfg_string(cfg, 3);
5179 page = (unsigned long)cfs_page_address(__page);
5180 options = (char *)page;
5183 strcat(options, "user_xattr,acl");
5185 strcat(options, opts);
5187 /* Glom up mount options */
5188 if (*options != '\0')
5189 strcat(options, ",");
5190 strlcat(options, "no_mbcache", CFS_PAGE_SIZE);
5192 type = get_fs_type("ldiskfs");
5194 CERROR("%s: cannot find ldiskfs module\n", name);
5195 GOTO(out, rc = -ENODEV);
5198 o->od_mnt = vfs_kern_mount(type, s_flags, dev, options);
5199 cfs_module_put(type->owner);
5201 if (IS_ERR(o->od_mnt)) {
5202 rc = PTR_ERR(o->od_mnt);
5203 CERROR("%s: can't mount %s: %d\n", name, dev, rc);
5208 #ifdef HAVE_DEV_SET_RDONLY
5209 if (dev_check_rdonly(o->od_mnt->mnt_sb->s_bdev)) {
5210 CERROR("%s: underlying device %s is marked as read-only. "
5211 "Setup failed\n", name, dev);
5214 GOTO(out, rc = -EROFS);
5218 if (!LDISKFS_HAS_COMPAT_FEATURE(o->od_mnt->mnt_sb,
5219 LDISKFS_FEATURE_COMPAT_HAS_JOURNAL)) {
5220 CERROR("%s: device %s is mounted w/o journal\n", name, dev);
5223 GOTO(out, rc = -EINVAL);
5226 ldiskfs_set_inode_state(osd_sb(o)->s_root->d_inode,
5227 LDISKFS_STATE_LUSTRE_NO_OI);
5228 if (lmd_flags & LMD_FLG_NOSCRUB)
5233 OBD_PAGE_FREE(__page);
5235 fsfilt_put_ops(o->od_fsops);
5240 static struct lu_device *osd_device_fini(const struct lu_env *env,
5241 struct lu_device *d)
5246 rc = osd_shutdown(env, osd_dev(d));
5248 osd_obj_map_fini(osd_dev(d));
5250 shrink_dcache_sb(osd_sb(osd_dev(d)));
5251 osd_sync(env, lu2dt_dev(d));
5253 rc = osd_procfs_fini(osd_dev(d));
5255 CERROR("proc fini error %d \n", rc);
5256 RETURN (ERR_PTR(rc));
5259 if (osd_dev(d)->od_mnt) {
5260 mntput(osd_dev(d)->od_mnt);
5261 osd_dev(d)->od_mnt = NULL;
5267 static int osd_device_init0(const struct lu_env *env,
5268 struct osd_device *o,
5269 struct lustre_cfg *cfg)
5271 struct lu_device *l = osd2lu_dev(o);
5272 struct osd_thread_info *info;
5276 /* if the module was re-loaded, env can loose its keys */
5277 rc = lu_env_refill((struct lu_env *) env);
5280 info = osd_oti_get(env);
5283 l->ld_ops = &osd_lu_ops;
5284 o->od_dt_dev.dd_ops = &osd_dt_ops;
5286 spin_lock_init(&o->od_osfs_lock);
5287 mutex_init(&o->od_otable_mutex);
5288 o->od_osfs_age = cfs_time_shift_64(-1000);
5290 o->od_capa_hash = init_capa_hash();
5291 if (o->od_capa_hash == NULL)
5292 GOTO(out, rc = -ENOMEM);
5294 o->od_read_cache = 1;
5295 o->od_writethrough_cache = 1;
5296 o->od_readcache_max_filesize = OSD_MAX_CACHE_SIZE;
5298 rc = osd_mount(env, o, cfg);
5302 CFS_INIT_LIST_HEAD(&o->od_ios_list);
5303 /* setup scrub, including OI files initialization */
5304 rc = osd_scrub_setup(env, o);
5308 cplen = strlcpy(o->od_svname, lustre_cfg_string(cfg, 4),
5309 sizeof(o->od_svname));
5310 if (cplen >= sizeof(o->od_svname)) {
5315 rc = osd_obj_map_init(env, o);
5317 GOTO(out_scrub, rc);
5319 rc = lu_site_init(&o->od_site, l);
5321 GOTO(out_compat, rc);
5322 o->od_site.ls_bottom_dev = l;
5324 rc = lu_site_init_finish(&o->od_site);
5328 rc = osd_procfs_init(o, o->od_svname);
5330 CERROR("%s: can't initialize procfs: rc = %d\n",
5335 LASSERT(l->ld_site->ls_linkage.next && l->ld_site->ls_linkage.prev);
5337 /* initialize quota slave instance */
5338 o->od_quota_slave = qsd_init(env, o->od_svname, &o->od_dt_dev,
5340 if (IS_ERR(o->od_quota_slave)) {
5341 rc = PTR_ERR(o->od_quota_slave);
5342 o->od_quota_slave = NULL;
5343 GOTO(out_procfs, rc);
5350 lu_site_fini(&o->od_site);
5352 osd_obj_map_fini(o);
5354 osd_scrub_cleanup(env, o);
5356 osd_oi_fini(info, o);
5357 osd_shutdown(env, o);
5361 cleanup_capa_hash(o->od_capa_hash);
5366 static struct lu_device *osd_device_alloc(const struct lu_env *env,
5367 struct lu_device_type *t,
5368 struct lustre_cfg *cfg)
5370 struct osd_device *o;
5375 return ERR_PTR(-ENOMEM);
5377 rc = dt_device_init(&o->od_dt_dev, t);
5379 /* Because the ctx might be revived in dt_device_init,
5380 * refill the env here */
5381 lu_env_refill((struct lu_env *)env);
5382 rc = osd_device_init0(env, o, cfg);
5384 dt_device_fini(&o->od_dt_dev);
5387 if (unlikely(rc != 0))
5390 return rc == 0 ? osd2lu_dev(o) : ERR_PTR(rc);
5393 static struct lu_device *osd_device_free(const struct lu_env *env,
5394 struct lu_device *d)
5396 struct osd_device *o = osd_dev(d);
5399 cleanup_capa_hash(o->od_capa_hash);
5400 /* XXX: make osd top device in order to release reference */
5401 d->ld_site->ls_top_dev = d;
5402 lu_site_purge(env, d->ld_site, -1);
5403 if (!cfs_hash_is_empty(d->ld_site->ls_obj_hash)) {
5404 LIBCFS_DEBUG_MSG_DATA_DECL(msgdata, D_ERROR, NULL);
5405 lu_site_print(env, d->ld_site, &msgdata, lu_cdebug_printer);
5407 lu_site_fini(&o->od_site);
5408 dt_device_fini(&o->od_dt_dev);
5413 static int osd_process_config(const struct lu_env *env,
5414 struct lu_device *d, struct lustre_cfg *cfg)
5416 struct osd_device *o = osd_dev(d);
5420 switch(cfg->lcfg_command) {
5422 err = osd_mount(env, o, cfg);
5425 lu_dev_del_linkage(d->ld_site, d);
5426 err = osd_shutdown(env, o);
5435 static int osd_recovery_complete(const struct lu_env *env,
5436 struct lu_device *d)
5438 struct osd_device *osd = osd_dev(d);
5442 if (osd->od_quota_slave == NULL)
5445 /* start qsd instance on recovery completion, this notifies the quota
5446 * slave code that we are about to process new requests now */
5447 rc = qsd_start(env, osd->od_quota_slave);
5452 * we use exports to track all osd users
5454 static int osd_obd_connect(const struct lu_env *env, struct obd_export **exp,
5455 struct obd_device *obd, struct obd_uuid *cluuid,
5456 struct obd_connect_data *data, void *localdata)
5458 struct osd_device *osd = osd_dev(obd->obd_lu_dev);
5459 struct lustre_handle conn;
5463 CDEBUG(D_CONFIG, "connect #%d\n", osd->od_connects);
5465 rc = class_connect(&conn, obd, cluuid);
5469 *exp = class_conn2export(&conn);
5471 spin_lock(&osd->od_osfs_lock);
5473 spin_unlock(&osd->od_osfs_lock);
5479 * once last export (we don't count self-export) disappeared
5480 * osd can be released
5482 static int osd_obd_disconnect(struct obd_export *exp)
5484 struct obd_device *obd = exp->exp_obd;
5485 struct osd_device *osd = osd_dev(obd->obd_lu_dev);
5486 int rc, release = 0;
5489 /* Only disconnect the underlying layers on the final disconnect. */
5490 spin_lock(&osd->od_osfs_lock);
5492 if (osd->od_connects == 0)
5494 spin_unlock(&osd->od_osfs_lock);
5496 rc = class_disconnect(exp); /* bz 9811 */
5498 if (rc == 0 && release)
5499 class_manual_cleanup(obd);
5503 static int osd_prepare(const struct lu_env *env, struct lu_device *pdev,
5504 struct lu_device *dev)
5506 struct osd_device *osd = osd_dev(dev);
5510 if (dev->ld_site && lu_device_is_md(dev->ld_site->ls_top_dev)) {
5511 /* MDT/MDD still use old infrastructure to create
5513 result = llo_local_objects_setup(env, lu2md_dev(pdev),
5519 if (osd->od_quota_slave != NULL)
5520 /* set up quota slave objects */
5521 result = qsd_prepare(env, osd->od_quota_slave);
5526 static const struct lu_object_operations osd_lu_obj_ops = {
5527 .loo_object_init = osd_object_init,
5528 .loo_object_delete = osd_object_delete,
5529 .loo_object_release = osd_object_release,
5530 .loo_object_free = osd_object_free,
5531 .loo_object_print = osd_object_print,
5532 .loo_object_invariant = osd_object_invariant
5535 const struct lu_device_operations osd_lu_ops = {
5536 .ldo_object_alloc = osd_object_alloc,
5537 .ldo_process_config = osd_process_config,
5538 .ldo_recovery_complete = osd_recovery_complete,
5539 .ldo_prepare = osd_prepare,
5542 static const struct lu_device_type_operations osd_device_type_ops = {
5543 .ldto_init = osd_type_init,
5544 .ldto_fini = osd_type_fini,
5546 .ldto_start = osd_type_start,
5547 .ldto_stop = osd_type_stop,
5549 .ldto_device_alloc = osd_device_alloc,
5550 .ldto_device_free = osd_device_free,
5552 .ldto_device_init = osd_device_init,
5553 .ldto_device_fini = osd_device_fini
5556 struct lu_device_type osd_device_type = {
5557 .ldt_tags = LU_DEVICE_DT,
5558 .ldt_name = LUSTRE_OSD_LDISKFS_NAME,
5559 .ldt_ops = &osd_device_type_ops,
5560 .ldt_ctx_tags = LCT_LOCAL,
5564 * lprocfs legacy support.
5566 static struct obd_ops osd_obd_device_ops = {
5567 .o_owner = THIS_MODULE,
5568 .o_connect = osd_obd_connect,
5569 .o_disconnect = osd_obd_disconnect
5572 static int __init osd_mod_init(void)
5574 struct lprocfs_static_vars lvars;
5577 lprocfs_osd_init_vars(&lvars);
5578 return class_register_type(&osd_obd_device_ops, NULL, lvars.module_vars,
5579 LUSTRE_OSD_LDISKFS_NAME, &osd_device_type);
5582 static void __exit osd_mod_exit(void)
5584 class_unregister_type(LUSTRE_OSD_LDISKFS_NAME);
5587 MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
5588 MODULE_DESCRIPTION("Lustre Object Storage Device ("LUSTRE_OSD_LDISKFS_NAME")");
5589 MODULE_LICENSE("GPL");
5591 cfs_module(osd, "0.1.0", osd_mod_init, osd_mod_exit);