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 if (OBD_FAIL_CHECK(OBD_FAIL_FID_IGIF) && fid_is_client_visible(fid))
2230 lustre_lma_init(lma, fid, flags);
2231 lustre_lma_swab(lma);
2233 rc = __osd_xattr_set(info, inode, XATTR_NAME_LMA, lma, sizeof(*lma),
2235 /* Someone may created the EA by race. */
2236 if (unlikely(rc == -EEXIST))
2242 * ldiskfs supports fid in dirent, it is passed in dentry->d_fsdata.
2243 * lustre 1.8 also uses d_fsdata for passing other info to ldiskfs.
2244 * To have compatilibility with 1.8 ldiskfs driver we need to have
2245 * magic number at start of fid data.
2246 * \ldiskfs_dentry_param is used only to pass fid from osd to ldiskfs.
2249 void osd_get_ldiskfs_dirent_param(struct ldiskfs_dentry_param *param,
2250 const struct dt_rec *fid)
2252 if (!fid_is_client_mdt_visible((const struct lu_fid *)fid)) {
2253 param->edp_magic = 0;
2257 param->edp_magic = LDISKFS_LUFID_MAGIC;
2258 param->edp_len = sizeof(struct lu_fid) + 1;
2259 fid_cpu_to_be((struct lu_fid *)param->edp_data, (struct lu_fid *)fid);
2263 * Try to read the fid from inode ea into dt_rec.
2265 * \param fid object fid.
2267 * \retval 0 on success
2269 static int osd_ea_fid_get(const struct lu_env *env, struct osd_object *obj,
2270 __u32 ino, struct lu_fid *fid,
2271 struct osd_inode_id *id)
2273 struct osd_thread_info *info = osd_oti_get(env);
2274 struct inode *inode;
2277 osd_id_gen(id, ino, OSD_OII_NOGEN);
2278 inode = osd_iget_fid(info, osd_obj2dev(obj), id, fid);
2280 RETURN(PTR_ERR(inode));
2286 static int osd_add_dot_dotdot_internal(struct osd_thread_info *info,
2288 struct inode *parent_dir,
2289 const struct dt_rec *dot_fid,
2290 const struct dt_rec *dot_dot_fid,
2291 struct osd_thandle *oth)
2293 struct ldiskfs_dentry_param *dot_ldp;
2294 struct ldiskfs_dentry_param *dot_dot_ldp;
2296 dot_dot_ldp = (struct ldiskfs_dentry_param *)info->oti_ldp2;
2297 osd_get_ldiskfs_dirent_param(dot_dot_ldp, dot_dot_fid);
2299 dot_ldp = (struct ldiskfs_dentry_param *)info->oti_ldp;
2300 dot_ldp->edp_magic = 0;
2301 return ldiskfs_add_dot_dotdot(oth->ot_handle, parent_dir,
2302 dir, dot_ldp, dot_dot_ldp);
2306 * Create an local agent inode for remote entry
2308 static struct inode *osd_create_local_agent_inode(const struct lu_env *env,
2309 struct osd_device *osd,
2310 struct osd_object *pobj,
2311 const struct lu_fid *fid,
2314 struct osd_thread_info *info = osd_oti_get(env);
2315 struct inode *local;
2316 struct osd_thandle *oh;
2321 oh = container_of(th, struct osd_thandle, ot_super);
2322 LASSERT(oh->ot_handle->h_transaction != NULL);
2324 /* FIXME: Insert index api needs to know the mode of
2325 * the remote object. Just use S_IFDIR for now */
2326 local = ldiskfs_create_inode(oh->ot_handle, pobj->oo_inode, S_IFDIR);
2327 if (IS_ERR(local)) {
2328 CERROR("%s: create local error %d\n", osd_name(osd),
2329 (int)PTR_ERR(local));
2333 /* Set special LMA flag for local agent inode */
2334 rc = osd_ea_fid_set(info, local, fid, LMAI_AGENT);
2336 CERROR("%s: set LMA for "DFID" remote inode failed: rc = %d\n",
2337 osd_name(osd), PFID(fid), rc);
2338 RETURN(ERR_PTR(rc));
2341 rc = osd_add_dot_dotdot_internal(info, local, pobj->oo_inode,
2342 (const struct dt_rec *)lu_object_fid(&pobj->oo_dt.do_lu),
2343 (const struct dt_rec *)fid, oh);
2345 CERROR("%s: "DFID" add dot dotdot error: rc = %d\n",
2346 osd_name(osd), PFID(fid), rc);
2347 RETURN(ERR_PTR(rc));
2354 * Delete local inode for remote entry
2356 static int osd_delete_remote_inode(const struct lu_env *env,
2357 struct osd_device *osd,
2358 const struct lu_fid *fid,
2359 __u32 ino, struct osd_thandle *oh)
2361 struct osd_thread_info *oti = osd_oti_get(env);
2362 struct osd_inode_id *id = &oti->oti_id;
2363 struct inode *inode;
2366 id->oii_ino = le32_to_cpu(ino);
2367 id->oii_gen = OSD_OII_NOGEN;
2368 inode = osd_iget(oti, osd, id);
2369 if (IS_ERR(inode)) {
2370 CERROR("%s: iget error "DFID" id %u:%u\n", osd_name(osd),
2371 PFID(fid), id->oii_ino, id->oii_gen);
2372 RETURN(PTR_ERR(inode));
2376 mark_inode_dirty(inode);
2377 CDEBUG(D_INODE, "%s: delete remote inode "DFID" %lu\n",
2378 osd_name(osd), PFID(fid), inode->i_ino);
2384 * OSD layer object create function for interoperability mode (b11826).
2385 * This is mostly similar to osd_object_create(). Only difference being, fid is
2386 * inserted into inode ea here.
2388 * \retval 0, on success
2389 * \retval -ve, on error
2391 static int osd_object_ea_create(const struct lu_env *env, struct dt_object *dt,
2392 struct lu_attr *attr,
2393 struct dt_allocation_hint *hint,
2394 struct dt_object_format *dof,
2397 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
2398 struct osd_object *obj = osd_dt_obj(dt);
2399 struct osd_thread_info *info = osd_oti_get(env);
2404 LASSERT(osd_invariant(obj));
2405 LASSERT(!dt_object_exists(dt) && !dt_object_remote(dt));
2406 LASSERT(osd_write_locked(env, obj));
2407 LASSERT(th != NULL);
2409 if (unlikely(fid_is_acct(fid)))
2410 /* Quota files can't be created from the kernel any more,
2411 * 'tune2fs -O quota' will take care of creating them */
2414 osd_trans_exec_op(env, th, OSD_OT_CREATE);
2415 osd_trans_declare_rb(env, th, OSD_OT_REF_ADD);
2417 result = __osd_object_create(info, obj, attr, hint, dof, th);
2418 if ((result == 0) &&
2419 (fid_is_last_id(fid) ||
2420 !fid_is_on_ost(info, osd_dt_dev(th->th_dev), fid)))
2421 result = osd_ea_fid_set(info, obj->oo_inode, fid, 0);
2424 result = __osd_oi_insert(env, obj, fid, th);
2426 LASSERT(ergo(result == 0,
2427 dt_object_exists(dt) && !dt_object_remote(dt)));
2428 LINVRNT(osd_invariant(obj));
2432 static int osd_declare_object_ref_add(const struct lu_env *env,
2433 struct dt_object *dt,
2434 struct thandle *handle)
2436 struct osd_thandle *oh;
2438 /* it's possible that object doesn't exist yet */
2439 LASSERT(handle != NULL);
2441 oh = container_of0(handle, struct osd_thandle, ot_super);
2442 LASSERT(oh->ot_handle == NULL);
2444 osd_trans_declare_op(env, oh, OSD_OT_REF_ADD,
2445 osd_dto_credits_noquota[DTO_ATTR_SET_BASE]);
2451 * Concurrency: @dt is write locked.
2453 static int osd_object_ref_add(const struct lu_env *env,
2454 struct dt_object *dt, struct thandle *th)
2456 struct osd_object *obj = osd_dt_obj(dt);
2457 struct inode *inode = obj->oo_inode;
2459 LINVRNT(osd_invariant(obj));
2460 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2461 LASSERT(osd_write_locked(env, obj));
2462 LASSERT(th != NULL);
2464 osd_trans_exec_op(env, th, OSD_OT_REF_ADD);
2467 * DIR_NLINK feature is set for compatibility reasons if:
2468 * 1) nlinks > LDISKFS_LINK_MAX, or
2469 * 2) nlinks == 2, since this indicates i_nlink was previously 1.
2471 * It is easier to always set this flag (rather than check and set),
2472 * since it has less overhead, and the superblock will be dirtied
2473 * at some point. Both e2fsprogs and any Lustre-supported ldiskfs
2474 * do not actually care whether this flag is set or not.
2476 spin_lock(&obj->oo_guard);
2477 /* inc_nlink from 0 may cause WARN_ON */
2478 if(inode->i_nlink == 0)
2479 set_nlink(inode, 1);
2482 if (S_ISDIR(inode->i_mode) && inode->i_nlink > 1) {
2483 if (inode->i_nlink >= LDISKFS_LINK_MAX ||
2484 inode->i_nlink == 2)
2485 set_nlink(inode, 1);
2487 LASSERT(inode->i_nlink <= LDISKFS_LINK_MAX);
2488 spin_unlock(&obj->oo_guard);
2489 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2490 LINVRNT(osd_invariant(obj));
2495 static int osd_declare_object_ref_del(const struct lu_env *env,
2496 struct dt_object *dt,
2497 struct thandle *handle)
2499 struct osd_thandle *oh;
2501 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2502 LASSERT(handle != NULL);
2504 oh = container_of0(handle, struct osd_thandle, ot_super);
2505 LASSERT(oh->ot_handle == NULL);
2507 osd_trans_declare_op(env, oh, OSD_OT_REF_DEL,
2508 osd_dto_credits_noquota[DTO_ATTR_SET_BASE]);
2514 * Concurrency: @dt is write locked.
2516 static int osd_object_ref_del(const struct lu_env *env, struct dt_object *dt,
2519 struct osd_object *obj = osd_dt_obj(dt);
2520 struct inode *inode = obj->oo_inode;
2522 LINVRNT(osd_invariant(obj));
2523 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2524 LASSERT(osd_write_locked(env, obj));
2525 LASSERT(th != NULL);
2527 osd_trans_exec_op(env, th, OSD_OT_REF_DEL);
2529 spin_lock(&obj->oo_guard);
2530 LASSERT(inode->i_nlink > 0);
2532 /* If this is/was a many-subdir directory (nlink > LDISKFS_LINK_MAX)
2533 * then the nlink count is 1. Don't let it be set to 0 or the directory
2534 * inode will be deleted incorrectly. */
2535 if (S_ISDIR(inode->i_mode) && inode->i_nlink == 0)
2536 set_nlink(inode, 1);
2537 spin_unlock(&obj->oo_guard);
2538 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2539 LINVRNT(osd_invariant(obj));
2545 * Get the 64-bit version for an inode.
2547 static int osd_object_version_get(const struct lu_env *env,
2548 struct dt_object *dt, dt_obj_version_t *ver)
2550 struct inode *inode = osd_dt_obj(dt)->oo_inode;
2552 CDEBUG(D_INODE, "Get version "LPX64" for inode %lu\n",
2553 LDISKFS_I(inode)->i_fs_version, inode->i_ino);
2554 *ver = LDISKFS_I(inode)->i_fs_version;
2559 * Concurrency: @dt is read locked.
2561 static int osd_xattr_get(const struct lu_env *env, struct dt_object *dt,
2562 struct lu_buf *buf, const char *name,
2563 struct lustre_capa *capa)
2565 struct osd_object *obj = osd_dt_obj(dt);
2566 struct inode *inode = obj->oo_inode;
2567 struct osd_thread_info *info = osd_oti_get(env);
2568 struct dentry *dentry = &info->oti_obj_dentry;
2570 /* version get is not real XATTR but uses xattr API */
2571 if (strcmp(name, XATTR_NAME_VERSION) == 0) {
2572 /* for version we are just using xattr API but change inode
2574 LASSERT(buf->lb_len == sizeof(dt_obj_version_t));
2575 osd_object_version_get(env, dt, buf->lb_buf);
2576 return sizeof(dt_obj_version_t);
2579 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2580 LASSERT(inode->i_op != NULL && inode->i_op->getxattr != NULL);
2582 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_READ))
2585 return __osd_xattr_get(inode, dentry, name, buf->lb_buf, buf->lb_len);
2589 static int osd_declare_xattr_set(const struct lu_env *env,
2590 struct dt_object *dt,
2591 const struct lu_buf *buf, const char *name,
2592 int fl, struct thandle *handle)
2594 struct osd_thandle *oh;
2596 LASSERT(handle != NULL);
2598 oh = container_of0(handle, struct osd_thandle, ot_super);
2599 LASSERT(oh->ot_handle == NULL);
2601 osd_trans_declare_op(env, oh, OSD_OT_XATTR_SET,
2602 strcmp(name, XATTR_NAME_VERSION) == 0 ?
2603 osd_dto_credits_noquota[DTO_ATTR_SET_BASE] :
2604 osd_dto_credits_noquota[DTO_XATTR_SET]);
2610 * Set the 64-bit version for object
2612 static void osd_object_version_set(const struct lu_env *env,
2613 struct dt_object *dt,
2614 dt_obj_version_t *new_version)
2616 struct inode *inode = osd_dt_obj(dt)->oo_inode;
2618 CDEBUG(D_INODE, "Set version "LPX64" (old "LPX64") for inode %lu\n",
2619 *new_version, LDISKFS_I(inode)->i_fs_version, inode->i_ino);
2621 LDISKFS_I(inode)->i_fs_version = *new_version;
2622 /** Version is set after all inode operations are finished,
2623 * so we should mark it dirty here */
2624 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2628 * Concurrency: @dt is write locked.
2630 static int osd_xattr_set(const struct lu_env *env, struct dt_object *dt,
2631 const struct lu_buf *buf, const char *name, int fl,
2632 struct thandle *handle, struct lustre_capa *capa)
2634 struct osd_object *obj = osd_dt_obj(dt);
2635 struct inode *inode = obj->oo_inode;
2636 struct osd_thread_info *info = osd_oti_get(env);
2640 LASSERT(handle != NULL);
2642 /* version set is not real XATTR */
2643 if (strcmp(name, XATTR_NAME_VERSION) == 0) {
2644 /* for version we are just using xattr API but change inode
2646 LASSERT(buf->lb_len == sizeof(dt_obj_version_t));
2647 osd_object_version_set(env, dt, buf->lb_buf);
2648 return sizeof(dt_obj_version_t);
2651 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_WRITE))
2654 osd_trans_exec_op(env, handle, OSD_OT_XATTR_SET);
2655 if (fl & LU_XATTR_REPLACE)
2656 fs_flags |= XATTR_REPLACE;
2658 if (fl & LU_XATTR_CREATE)
2659 fs_flags |= XATTR_CREATE;
2661 return __osd_xattr_set(info, inode, name, buf->lb_buf, buf->lb_len,
2666 * Concurrency: @dt is read locked.
2668 static int osd_xattr_list(const struct lu_env *env, struct dt_object *dt,
2669 struct lu_buf *buf, struct lustre_capa *capa)
2671 struct osd_object *obj = osd_dt_obj(dt);
2672 struct inode *inode = obj->oo_inode;
2673 struct osd_thread_info *info = osd_oti_get(env);
2674 struct dentry *dentry = &info->oti_obj_dentry;
2676 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2677 LASSERT(inode->i_op != NULL && inode->i_op->listxattr != NULL);
2678 LASSERT(osd_read_locked(env, obj) || osd_write_locked(env, obj));
2680 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_READ))
2683 dentry->d_inode = inode;
2684 return inode->i_op->listxattr(dentry, buf->lb_buf, buf->lb_len);
2687 static int osd_declare_xattr_del(const struct lu_env *env,
2688 struct dt_object *dt, const char *name,
2689 struct thandle *handle)
2691 struct osd_thandle *oh;
2693 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2694 LASSERT(handle != NULL);
2696 oh = container_of0(handle, struct osd_thandle, ot_super);
2697 LASSERT(oh->ot_handle == NULL);
2699 osd_trans_declare_op(env, oh, OSD_OT_XATTR_SET,
2700 osd_dto_credits_noquota[DTO_XATTR_SET]);
2706 * Concurrency: @dt is write locked.
2708 static int osd_xattr_del(const struct lu_env *env, struct dt_object *dt,
2709 const char *name, struct thandle *handle,
2710 struct lustre_capa *capa)
2712 struct osd_object *obj = osd_dt_obj(dt);
2713 struct inode *inode = obj->oo_inode;
2714 struct osd_thread_info *info = osd_oti_get(env);
2715 struct dentry *dentry = &info->oti_obj_dentry;
2718 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2719 LASSERT(inode->i_op != NULL && inode->i_op->removexattr != NULL);
2720 LASSERT(handle != NULL);
2722 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_WRITE))
2725 osd_trans_exec_op(env, handle, OSD_OT_XATTR_SET);
2727 ll_vfs_dq_init(inode);
2728 dentry->d_inode = inode;
2729 rc = inode->i_op->removexattr(dentry, name);
2733 static struct obd_capa *osd_capa_get(const struct lu_env *env,
2734 struct dt_object *dt,
2735 struct lustre_capa *old,
2738 struct osd_thread_info *info = osd_oti_get(env);
2739 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
2740 struct osd_object *obj = osd_dt_obj(dt);
2741 struct osd_device *dev = osd_obj2dev(obj);
2742 struct lustre_capa_key *key = &info->oti_capa_key;
2743 struct lustre_capa *capa = &info->oti_capa;
2744 struct obd_capa *oc;
2745 struct md_capainfo *ci;
2749 if (!dev->od_fl_capa)
2750 RETURN(ERR_PTR(-ENOENT));
2752 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2753 LINVRNT(osd_invariant(obj));
2755 /* renewal sanity check */
2756 if (old && osd_object_auth(env, dt, old, opc))
2757 RETURN(ERR_PTR(-EACCES));
2759 ci = md_capainfo(env);
2761 RETURN(ERR_PTR(-ENOENT));
2763 switch (ci->mc_auth) {
2767 capa->lc_uid = obj->oo_inode->i_uid;
2768 capa->lc_gid = obj->oo_inode->i_gid;
2769 capa->lc_flags = LC_ID_PLAIN;
2771 case LC_ID_CONVERT: {
2774 s[0] = obj->oo_inode->i_uid;
2775 cfs_get_random_bytes(&(s[1]), sizeof(__u32));
2776 s[2] = obj->oo_inode->i_gid;
2777 cfs_get_random_bytes(&(s[3]), sizeof(__u32));
2778 rc = capa_encrypt_id(d, s, key->lk_key, CAPA_HMAC_KEY_MAX_LEN);
2780 RETURN(ERR_PTR(rc));
2782 capa->lc_uid = ((__u64)d[1] << 32) | d[0];
2783 capa->lc_gid = ((__u64)d[3] << 32) | d[2];
2784 capa->lc_flags = LC_ID_CONVERT;
2788 RETURN(ERR_PTR(-EINVAL));
2791 capa->lc_fid = *fid;
2793 capa->lc_flags |= dev->od_capa_alg << 24;
2794 capa->lc_timeout = dev->od_capa_timeout;
2795 capa->lc_expiry = 0;
2797 oc = capa_lookup(dev->od_capa_hash, capa, 1);
2799 LASSERT(!capa_is_expired(oc));
2803 spin_lock(&capa_lock);
2804 *key = dev->od_capa_keys[1];
2805 spin_unlock(&capa_lock);
2807 capa->lc_keyid = key->lk_keyid;
2808 capa->lc_expiry = cfs_time_current_sec() + dev->od_capa_timeout;
2810 rc = capa_hmac(capa->lc_hmac, capa, key->lk_key);
2812 DEBUG_CAPA(D_ERROR, capa, "HMAC failed: %d for", rc);
2813 RETURN(ERR_PTR(rc));
2816 oc = capa_add(dev->od_capa_hash, capa);
2820 static int osd_object_sync(const struct lu_env *env, struct dt_object *dt)
2822 struct osd_object *obj = osd_dt_obj(dt);
2823 struct inode *inode = obj->oo_inode;
2824 struct osd_thread_info *info = osd_oti_get(env);
2825 struct dentry *dentry = &info->oti_obj_dentry;
2826 struct file *file = &info->oti_file;
2831 dentry->d_inode = inode;
2832 file->f_dentry = dentry;
2833 file->f_mapping = inode->i_mapping;
2834 file->f_op = inode->i_fop;
2835 #ifndef HAVE_FILE_FSYNC_4ARGS
2836 mutex_lock(&inode->i_mutex);
2838 rc = do_fsync(file, 0);
2839 #ifndef HAVE_FILE_FSYNC_4ARGS
2840 mutex_unlock(&inode->i_mutex);
2845 static int osd_data_get(const struct lu_env *env, struct dt_object *dt,
2848 struct osd_object *obj = osd_dt_obj(dt);
2851 *data = (void *)obj->oo_inode;
2859 static int osd_iam_index_probe(const struct lu_env *env, struct osd_object *o,
2860 const struct dt_index_features *feat)
2862 struct iam_descr *descr;
2864 if (osd_object_is_root(o))
2865 return feat == &dt_directory_features;
2867 LASSERT(o->oo_dir != NULL);
2869 descr = o->oo_dir->od_container.ic_descr;
2870 if (feat == &dt_directory_features) {
2871 if (descr->id_rec_size == sizeof(struct osd_fid_pack))
2877 feat->dif_keysize_min <= descr->id_key_size &&
2878 descr->id_key_size <= feat->dif_keysize_max &&
2879 feat->dif_recsize_min <= descr->id_rec_size &&
2880 descr->id_rec_size <= feat->dif_recsize_max &&
2881 !(feat->dif_flags & (DT_IND_VARKEY |
2882 DT_IND_VARREC | DT_IND_NONUNQ)) &&
2883 ergo(feat->dif_flags & DT_IND_UPDATE,
2884 1 /* XXX check that object (and file system) is
2889 static int osd_iam_container_init(const struct lu_env *env,
2890 struct osd_object *obj,
2891 struct osd_directory *dir)
2893 struct iam_container *bag = &dir->od_container;
2896 result = iam_container_init(bag, &dir->od_descr, obj->oo_inode);
2900 result = iam_container_setup(bag);
2902 obj->oo_dt.do_index_ops = &osd_index_iam_ops;
2904 iam_container_fini(bag);
2911 * Concurrency: no external locking is necessary.
2913 static int osd_index_try(const struct lu_env *env, struct dt_object *dt,
2914 const struct dt_index_features *feat)
2918 struct osd_object *obj = osd_dt_obj(dt);
2920 LINVRNT(osd_invariant(obj));
2922 if (osd_object_is_root(obj)) {
2923 dt->do_index_ops = &osd_index_ea_ops;
2925 } else if (feat == &dt_directory_features) {
2926 dt->do_index_ops = &osd_index_ea_ops;
2927 if (obj->oo_inode != NULL && S_ISDIR(obj->oo_inode->i_mode))
2932 } else if (unlikely(feat == &dt_otable_features)) {
2933 dt->do_index_ops = &osd_otable_ops;
2935 } else if (unlikely(feat == &dt_acct_features)) {
2936 dt->do_index_ops = &osd_acct_index_ops;
2939 } else if (!osd_has_index(obj)) {
2940 struct osd_directory *dir;
2945 spin_lock(&obj->oo_guard);
2946 if (obj->oo_dir == NULL)
2950 * Concurrent thread allocated container data.
2953 spin_unlock(&obj->oo_guard);
2955 * Now, that we have container data, serialize its
2958 down_write(&obj->oo_ext_idx_sem);
2960 * recheck under lock.
2962 if (!osd_has_index(obj))
2963 result = osd_iam_container_init(env, obj, dir);
2966 up_write(&obj->oo_ext_idx_sem);
2974 if (result == 0 && skip_iam == 0) {
2975 if (!osd_iam_index_probe(env, obj, feat))
2978 LINVRNT(osd_invariant(obj));
2980 if (result == 0 && is_quota_glb_feat(feat) &&
2981 fid_seq(lu_object_fid(&dt->do_lu)) == FID_SEQ_QUOTA_GLB)
2982 result = osd_quota_migration(env, dt, feat);
2987 static int osd_otable_it_attr_get(const struct lu_env *env,
2988 struct dt_object *dt,
2989 struct lu_attr *attr,
2990 struct lustre_capa *capa)
2996 static const struct dt_object_operations osd_obj_ops = {
2997 .do_read_lock = osd_object_read_lock,
2998 .do_write_lock = osd_object_write_lock,
2999 .do_read_unlock = osd_object_read_unlock,
3000 .do_write_unlock = osd_object_write_unlock,
3001 .do_write_locked = osd_object_write_locked,
3002 .do_attr_get = osd_attr_get,
3003 .do_declare_attr_set = osd_declare_attr_set,
3004 .do_attr_set = osd_attr_set,
3005 .do_ah_init = osd_ah_init,
3006 .do_declare_create = osd_declare_object_create,
3007 .do_create = osd_object_create,
3008 .do_declare_destroy = osd_declare_object_destroy,
3009 .do_destroy = osd_object_destroy,
3010 .do_index_try = osd_index_try,
3011 .do_declare_ref_add = osd_declare_object_ref_add,
3012 .do_ref_add = osd_object_ref_add,
3013 .do_declare_ref_del = osd_declare_object_ref_del,
3014 .do_ref_del = osd_object_ref_del,
3015 .do_xattr_get = osd_xattr_get,
3016 .do_declare_xattr_set = osd_declare_xattr_set,
3017 .do_xattr_set = osd_xattr_set,
3018 .do_declare_xattr_del = osd_declare_xattr_del,
3019 .do_xattr_del = osd_xattr_del,
3020 .do_xattr_list = osd_xattr_list,
3021 .do_capa_get = osd_capa_get,
3022 .do_object_sync = osd_object_sync,
3023 .do_data_get = osd_data_get,
3027 * dt_object_operations for interoperability mode
3028 * (i.e. to run 2.0 mds on 1.8 disk) (b11826)
3030 static const struct dt_object_operations osd_obj_ea_ops = {
3031 .do_read_lock = osd_object_read_lock,
3032 .do_write_lock = osd_object_write_lock,
3033 .do_read_unlock = osd_object_read_unlock,
3034 .do_write_unlock = osd_object_write_unlock,
3035 .do_write_locked = osd_object_write_locked,
3036 .do_attr_get = osd_attr_get,
3037 .do_declare_attr_set = osd_declare_attr_set,
3038 .do_attr_set = osd_attr_set,
3039 .do_ah_init = osd_ah_init,
3040 .do_declare_create = osd_declare_object_create,
3041 .do_create = osd_object_ea_create,
3042 .do_declare_destroy = osd_declare_object_destroy,
3043 .do_destroy = osd_object_destroy,
3044 .do_index_try = osd_index_try,
3045 .do_declare_ref_add = osd_declare_object_ref_add,
3046 .do_ref_add = osd_object_ref_add,
3047 .do_declare_ref_del = osd_declare_object_ref_del,
3048 .do_ref_del = osd_object_ref_del,
3049 .do_xattr_get = osd_xattr_get,
3050 .do_declare_xattr_set = osd_declare_xattr_set,
3051 .do_xattr_set = osd_xattr_set,
3052 .do_declare_xattr_del = osd_declare_xattr_del,
3053 .do_xattr_del = osd_xattr_del,
3054 .do_xattr_list = osd_xattr_list,
3055 .do_capa_get = osd_capa_get,
3056 .do_object_sync = osd_object_sync,
3057 .do_data_get = osd_data_get,
3060 static const struct dt_object_operations osd_obj_otable_it_ops = {
3061 .do_attr_get = osd_otable_it_attr_get,
3062 .do_index_try = osd_index_try,
3065 static int osd_index_declare_iam_delete(const struct lu_env *env,
3066 struct dt_object *dt,
3067 const struct dt_key *key,
3068 struct thandle *handle)
3070 struct osd_thandle *oh;
3072 oh = container_of0(handle, struct osd_thandle, ot_super);
3073 LASSERT(oh->ot_handle == NULL);
3075 osd_trans_declare_op(env, oh, OSD_OT_DELETE,
3076 osd_dto_credits_noquota[DTO_INDEX_DELETE]);
3082 * delete a (key, value) pair from index \a dt specified by \a key
3084 * \param dt osd index object
3085 * \param key key for index
3086 * \param rec record reference
3087 * \param handle transaction handler
3090 * \retval -ve failure
3093 static int osd_index_iam_delete(const struct lu_env *env, struct dt_object *dt,
3094 const struct dt_key *key,
3095 struct thandle *handle,
3096 struct lustre_capa *capa)
3098 struct osd_thread_info *oti = osd_oti_get(env);
3099 struct osd_object *obj = osd_dt_obj(dt);
3100 struct osd_thandle *oh;
3101 struct iam_path_descr *ipd;
3102 struct iam_container *bag = &obj->oo_dir->od_container;
3107 LINVRNT(osd_invariant(obj));
3108 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3109 LASSERT(bag->ic_object == obj->oo_inode);
3110 LASSERT(handle != NULL);
3112 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_DELETE))
3115 osd_trans_exec_op(env, handle, OSD_OT_DELETE);
3117 ipd = osd_idx_ipd_get(env, bag);
3118 if (unlikely(ipd == NULL))
3121 oh = container_of0(handle, struct osd_thandle, ot_super);
3122 LASSERT(oh->ot_handle != NULL);
3123 LASSERT(oh->ot_handle->h_transaction != NULL);
3125 if (fid_is_quota(lu_object_fid(&dt->do_lu))) {
3126 /* swab quota uid/gid provided by caller */
3127 oti->oti_quota_id = cpu_to_le64(*((__u64 *)key));
3128 key = (const struct dt_key *)&oti->oti_quota_id;
3131 rc = iam_delete(oh->ot_handle, bag, (const struct iam_key *)key, ipd);
3132 osd_ipd_put(env, bag, ipd);
3133 LINVRNT(osd_invariant(obj));
3137 static int osd_index_declare_ea_delete(const struct lu_env *env,
3138 struct dt_object *dt,
3139 const struct dt_key *key,
3140 struct thandle *handle)
3142 struct osd_thandle *oh;
3143 struct inode *inode;
3147 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3148 LASSERT(handle != NULL);
3150 oh = container_of0(handle, struct osd_thandle, ot_super);
3151 LASSERT(oh->ot_handle == NULL);
3153 osd_trans_declare_op(env, oh, OSD_OT_DELETE,
3154 osd_dto_credits_noquota[DTO_INDEX_DELETE]);
3156 inode = osd_dt_obj(dt)->oo_inode;
3159 rc = osd_declare_inode_qid(env, inode->i_uid, inode->i_gid, 0, oh,
3160 true, true, NULL, false);
3164 static inline int osd_get_fid_from_dentry(struct ldiskfs_dir_entry_2 *de,
3167 struct osd_fid_pack *rec;
3170 if (de->file_type & LDISKFS_DIRENT_LUFID) {
3171 rec = (struct osd_fid_pack *) (de->name + de->name_len + 1);
3172 rc = osd_fid_unpack((struct lu_fid *)fid, rec);
3177 static int osd_remote_fid(const struct lu_env *env, struct osd_device *osd,
3180 struct lu_seq_range *range = &osd_oti_get(env)->oti_seq_range;
3181 struct seq_server_site *ss = osd_seq_site(osd);
3185 /* Those FID seqs, which are not in FLDB, must be local seq */
3186 if (unlikely(!fid_seq_in_fldb(fid_seq(fid)) || ss == NULL))
3189 rc = osd_fld_lookup(env, osd, fid, range);
3191 CERROR("%s: Can not lookup fld for "DFID"\n",
3192 osd_name(osd), PFID(fid));
3196 RETURN(ss->ss_node_id != range->lsr_index);
3200 * Index delete function for interoperability mode (b11826).
3201 * It will remove the directory entry added by osd_index_ea_insert().
3202 * This entry is needed to maintain name->fid mapping.
3204 * \param key, key i.e. file entry to be deleted
3206 * \retval 0, on success
3207 * \retval -ve, on error
3209 static int osd_index_ea_delete(const struct lu_env *env, struct dt_object *dt,
3210 const struct dt_key *key,
3211 struct thandle *handle,
3212 struct lustre_capa *capa)
3214 struct osd_object *obj = osd_dt_obj(dt);
3215 struct inode *dir = obj->oo_inode;
3216 struct dentry *dentry;
3217 struct osd_thandle *oh;
3218 struct ldiskfs_dir_entry_2 *de = NULL;
3219 struct buffer_head *bh;
3220 struct htree_lock *hlock = NULL;
3221 struct lu_fid *fid = &osd_oti_get(env)->oti_fid;
3222 struct osd_device *osd = osd_dev(dt->do_lu.lo_dev);
3226 LINVRNT(osd_invariant(obj));
3227 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3228 LASSERT(handle != NULL);
3230 osd_trans_exec_op(env, handle, OSD_OT_DELETE);
3232 oh = container_of(handle, struct osd_thandle, ot_super);
3233 LASSERT(oh->ot_handle != NULL);
3234 LASSERT(oh->ot_handle->h_transaction != NULL);
3236 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_DELETE))
3239 ll_vfs_dq_init(dir);
3240 dentry = osd_child_dentry_get(env, obj,
3241 (char *)key, strlen((char *)key));
3243 if (obj->oo_hl_head != NULL) {
3244 hlock = osd_oti_get(env)->oti_hlock;
3245 ldiskfs_htree_lock(hlock, obj->oo_hl_head,
3246 dir, LDISKFS_HLOCK_DEL);
3248 down_write(&obj->oo_ext_idx_sem);
3251 bh = osd_ldiskfs_find_entry(dir, dentry, &de, hlock);
3253 rc = ldiskfs_delete_entry(oh->ot_handle,
3260 ldiskfs_htree_unlock(hlock);
3262 up_write(&obj->oo_ext_idx_sem);
3267 /* For inode on the remote MDT, .. will point to
3268 * /Agent directory. So
3269 * 1. do not need to lookup/delete remote inode for ..
3270 * 2. Check whether it needs to delete from agent directory */
3271 if (strcmp((char *)key, dotdot) == 0) {
3272 rc = osd_delete_from_remote_parent(env, osd_obj2dev(obj), obj,
3274 if (rc != 0 && rc != -ENOENT) {
3275 CERROR("%s: delete agent inode "DFID": rc = %d\n",
3276 osd_name(osd), PFID(fid), rc);
3285 LASSERT(de != NULL);
3286 rc = osd_get_fid_from_dentry(de, (struct dt_rec *)fid);
3287 if (rc == 0 && osd_remote_fid(env, osd, fid)) {
3288 __u32 ino = le32_to_cpu(de->inode);
3290 rc = osd_delete_remote_inode(env, osd, fid, ino, oh);
3292 CERROR("%s: del local inode "DFID": rc = %d\n",
3293 osd_name(osd), PFID(fid), rc);
3300 LASSERT(osd_invariant(obj));
3305 * Lookup index for \a key and copy record to \a rec.
3307 * \param dt osd index object
3308 * \param key key for index
3309 * \param rec record reference
3311 * \retval +ve success : exact mach
3312 * \retval 0 return record with key not greater than \a key
3313 * \retval -ve failure
3315 static int osd_index_iam_lookup(const struct lu_env *env, struct dt_object *dt,
3316 struct dt_rec *rec, const struct dt_key *key,
3317 struct lustre_capa *capa)
3319 struct osd_object *obj = osd_dt_obj(dt);
3320 struct iam_path_descr *ipd;
3321 struct iam_container *bag = &obj->oo_dir->od_container;
3322 struct osd_thread_info *oti = osd_oti_get(env);
3323 struct iam_iterator *it = &oti->oti_idx_it;
3324 struct iam_rec *iam_rec;
3329 LASSERT(osd_invariant(obj));
3330 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3331 LASSERT(bag->ic_object == obj->oo_inode);
3333 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_LOOKUP))
3336 ipd = osd_idx_ipd_get(env, bag);
3340 /* got ipd now we can start iterator. */
3341 iam_it_init(it, bag, 0, ipd);
3343 if (fid_is_quota(lu_object_fid(&dt->do_lu))) {
3344 /* swab quota uid/gid provided by caller */
3345 oti->oti_quota_id = cpu_to_le64(*((__u64 *)key));
3346 key = (const struct dt_key *)&oti->oti_quota_id;
3349 rc = iam_it_get(it, (struct iam_key *)key);
3351 if (S_ISDIR(obj->oo_inode->i_mode))
3352 iam_rec = (struct iam_rec *)oti->oti_ldp;
3354 iam_rec = (struct iam_rec *) rec;
3356 iam_reccpy(&it->ii_path.ip_leaf, (struct iam_rec *)iam_rec);
3358 if (S_ISDIR(obj->oo_inode->i_mode))
3359 osd_fid_unpack((struct lu_fid *) rec,
3360 (struct osd_fid_pack *)iam_rec);
3361 else if (fid_is_quota(lu_object_fid(&dt->do_lu)))
3362 osd_quota_unpack(obj, rec);
3367 osd_ipd_put(env, bag, ipd);
3369 LINVRNT(osd_invariant(obj));
3374 static int osd_index_declare_iam_insert(const struct lu_env *env,
3375 struct dt_object *dt,
3376 const struct dt_rec *rec,
3377 const struct dt_key *key,
3378 struct thandle *handle)
3380 struct osd_thandle *oh;
3382 LASSERT(handle != NULL);
3384 oh = container_of0(handle, struct osd_thandle, ot_super);
3385 LASSERT(oh->ot_handle == NULL);
3387 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
3388 osd_dto_credits_noquota[DTO_INDEX_INSERT]);
3394 * Inserts (key, value) pair in \a dt index object.
3396 * \param dt osd index object
3397 * \param key key for index
3398 * \param rec record reference
3399 * \param th transaction handler
3402 * \retval -ve failure
3404 static int osd_index_iam_insert(const struct lu_env *env, struct dt_object *dt,
3405 const struct dt_rec *rec,
3406 const struct dt_key *key, struct thandle *th,
3407 struct lustre_capa *capa, int ignore_quota)
3409 struct osd_object *obj = osd_dt_obj(dt);
3410 struct iam_path_descr *ipd;
3411 struct osd_thandle *oh;
3412 struct iam_container *bag = &obj->oo_dir->od_container;
3413 struct osd_thread_info *oti = osd_oti_get(env);
3414 struct iam_rec *iam_rec;
3419 LINVRNT(osd_invariant(obj));
3420 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3421 LASSERT(bag->ic_object == obj->oo_inode);
3422 LASSERT(th != NULL);
3424 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_INSERT))
3427 osd_trans_exec_op(env, th, OSD_OT_INSERT);
3429 ipd = osd_idx_ipd_get(env, bag);
3430 if (unlikely(ipd == NULL))
3433 oh = container_of0(th, struct osd_thandle, ot_super);
3434 LASSERT(oh->ot_handle != NULL);
3435 LASSERT(oh->ot_handle->h_transaction != NULL);
3436 if (S_ISDIR(obj->oo_inode->i_mode)) {
3437 iam_rec = (struct iam_rec *)oti->oti_ldp;
3438 osd_fid_pack((struct osd_fid_pack *)iam_rec, rec, &oti->oti_fid);
3439 } else if (fid_is_quota(lu_object_fid(&dt->do_lu))) {
3440 /* pack quota uid/gid */
3441 oti->oti_quota_id = cpu_to_le64(*((__u64 *)key));
3442 key = (const struct dt_key *)&oti->oti_quota_id;
3443 /* pack quota record */
3444 rec = osd_quota_pack(obj, rec, &oti->oti_quota_rec);
3445 iam_rec = (struct iam_rec *)rec;
3447 iam_rec = (struct iam_rec *)rec;
3450 rc = iam_insert(oh->ot_handle, bag, (const struct iam_key *)key,
3452 osd_ipd_put(env, bag, ipd);
3453 LINVRNT(osd_invariant(obj));
3458 * Calls ldiskfs_add_entry() to add directory entry
3459 * into the directory. This is required for
3460 * interoperability mode (b11826)
3462 * \retval 0, on success
3463 * \retval -ve, on error
3465 static int __osd_ea_add_rec(struct osd_thread_info *info,
3466 struct osd_object *pobj, struct inode *cinode,
3467 const char *name, const struct dt_rec *fid,
3468 struct htree_lock *hlock, struct thandle *th)
3470 struct ldiskfs_dentry_param *ldp;
3471 struct dentry *child;
3472 struct osd_thandle *oth;
3475 oth = container_of(th, struct osd_thandle, ot_super);
3476 LASSERT(oth->ot_handle != NULL);
3477 LASSERT(oth->ot_handle->h_transaction != NULL);
3478 LASSERT(pobj->oo_inode);
3480 ldp = (struct ldiskfs_dentry_param *)info->oti_ldp;
3481 if (unlikely(pobj->oo_inode ==
3482 osd_sb(osd_obj2dev(pobj))->s_root->d_inode))
3485 osd_get_ldiskfs_dirent_param(ldp, fid);
3486 child = osd_child_dentry_get(info->oti_env, pobj, name, strlen(name));
3487 child->d_fsdata = (void *)ldp;
3488 ll_vfs_dq_init(pobj->oo_inode);
3489 rc = osd_ldiskfs_add_entry(oth->ot_handle, child, cinode, hlock);
3495 * Calls ldiskfs_add_dot_dotdot() to add dot and dotdot entries
3496 * into the directory.Also sets flags into osd object to
3497 * indicate dot and dotdot are created. This is required for
3498 * interoperability mode (b11826)
3500 * \param dir directory for dot and dotdot fixup.
3501 * \param obj child object for linking
3503 * \retval 0, on success
3504 * \retval -ve, on error
3506 static int osd_add_dot_dotdot(struct osd_thread_info *info,
3507 struct osd_object *dir,
3508 struct inode *parent_dir, const char *name,
3509 const struct dt_rec *dot_fid,
3510 const struct dt_rec *dot_dot_fid,
3513 struct inode *inode = dir->oo_inode;
3514 struct osd_thandle *oth;
3517 oth = container_of(th, struct osd_thandle, ot_super);
3518 LASSERT(oth->ot_handle->h_transaction != NULL);
3519 LASSERT(S_ISDIR(dir->oo_inode->i_mode));
3521 if (strcmp(name, dot) == 0) {
3522 if (dir->oo_compat_dot_created) {
3525 LASSERT(inode == parent_dir);
3526 dir->oo_compat_dot_created = 1;
3529 } else if (strcmp(name, dotdot) == 0) {
3530 if (!dir->oo_compat_dot_created)
3532 /* in case of rename, dotdot is already created */
3533 if (dir->oo_compat_dotdot_created) {
3534 return __osd_ea_add_rec(info, dir, parent_dir, name,
3535 dot_dot_fid, NULL, th);
3538 result = osd_add_dot_dotdot_internal(info, dir->oo_inode,
3539 parent_dir, dot_fid,
3542 dir->oo_compat_dotdot_created = 1;
3550 * It will call the appropriate osd_add* function and return the
3551 * value, return by respective functions.
3553 static int osd_ea_add_rec(const struct lu_env *env, struct osd_object *pobj,
3554 struct inode *cinode, const char *name,
3555 const struct dt_rec *fid, struct thandle *th)
3557 struct osd_thread_info *info = osd_oti_get(env);
3558 struct htree_lock *hlock;
3561 hlock = pobj->oo_hl_head != NULL ? info->oti_hlock : NULL;
3563 if (name[0] == '.' && (name[1] == '\0' || (name[1] == '.' &&
3565 if (hlock != NULL) {
3566 ldiskfs_htree_lock(hlock, pobj->oo_hl_head,
3569 down_write(&pobj->oo_ext_idx_sem);
3571 rc = osd_add_dot_dotdot(info, pobj, cinode, name,
3572 (struct dt_rec *)lu_object_fid(&pobj->oo_dt.do_lu),
3575 if (hlock != NULL) {
3576 ldiskfs_htree_lock(hlock, pobj->oo_hl_head,
3577 pobj->oo_inode, LDISKFS_HLOCK_ADD);
3579 down_write(&pobj->oo_ext_idx_sem);
3582 if (OBD_FAIL_CHECK(OBD_FAIL_FID_INDIR)) {
3583 struct lu_fid *tfid = &info->oti_fid;
3585 *tfid = *(const struct lu_fid *)fid;
3587 rc = __osd_ea_add_rec(info, pobj, cinode, name,
3588 (const struct dt_rec *)tfid,
3591 rc = __osd_ea_add_rec(info, pobj, cinode, name, fid,
3596 ldiskfs_htree_unlock(hlock);
3598 up_write(&pobj->oo_ext_idx_sem);
3604 osd_consistency_check(struct osd_thread_info *oti, struct osd_device *dev,
3605 struct osd_idmap_cache *oic)
3607 struct osd_scrub *scrub = &dev->od_scrub;
3608 struct lu_fid *fid = &oic->oic_fid;
3609 struct osd_inode_id *id = &oti->oti_id;
3614 if (!fid_is_norm(fid) && !fid_is_igif(fid))
3618 rc = osd_oi_lookup(oti, dev, fid, id, true);
3619 if (rc != 0 && rc != -ENOENT)
3622 if (rc == 0 && osd_id_eq(id, &oic->oic_lid))
3625 if (thread_is_running(&scrub->os_thread)) {
3626 rc = osd_oii_insert(dev, oic, rc == -ENOENT);
3627 /* There is race condition between osd_oi_lookup and OI scrub.
3628 * The OI scrub finished just after osd_oi_lookup() failure.
3629 * Under such case, it is unnecessary to trigger OI scrub again,
3630 * but try to call osd_oi_lookup() again. */
3631 if (unlikely(rc == -EAGAIN))
3637 if (!dev->od_noscrub && ++once == 1) {
3638 CDEBUG(D_LFSCK, "Trigger OI scrub by RPC for "DFID"\n",
3640 rc = osd_scrub_start(dev);
3641 LCONSOLE_ERROR("%.16s: trigger OI scrub by RPC for "DFID
3643 LDISKFS_SB(osd_sb(dev))->s_es->s_volume_name,
3652 static int osd_fail_fid_lookup(struct osd_thread_info *oti,
3653 struct osd_device *dev,
3654 struct osd_idmap_cache *oic,
3655 struct lu_fid *fid, __u32 ino)
3657 struct lustre_mdt_attrs *lma = &oti->oti_mdt_attrs;
3658 struct inode *inode;
3661 osd_id_gen(&oic->oic_lid, ino, OSD_OII_NOGEN);
3662 inode = osd_iget(oti, dev, &oic->oic_lid);
3663 if (IS_ERR(inode)) {
3664 fid_zero(&oic->oic_fid);
3665 return PTR_ERR(inode);
3668 rc = osd_get_lma(oti, inode, &oti->oti_obj_dentry, lma);
3671 fid_zero(&oic->oic_fid);
3673 *fid = oic->oic_fid = lma->lma_self_fid;
3678 * Calls ->lookup() to find dentry. From dentry get inode and
3679 * read inode's ea to get fid. This is required for interoperability
3682 * \retval 0, on success
3683 * \retval -ve, on error
3685 static int osd_ea_lookup_rec(const struct lu_env *env, struct osd_object *obj,
3686 struct dt_rec *rec, const struct dt_key *key)
3688 struct inode *dir = obj->oo_inode;
3689 struct dentry *dentry;
3690 struct ldiskfs_dir_entry_2 *de;
3691 struct buffer_head *bh;
3692 struct lu_fid *fid = (struct lu_fid *) rec;
3693 struct htree_lock *hlock = NULL;
3698 LASSERT(dir->i_op != NULL && dir->i_op->lookup != NULL);
3700 dentry = osd_child_dentry_get(env, obj,
3701 (char *)key, strlen((char *)key));
3703 if (obj->oo_hl_head != NULL) {
3704 hlock = osd_oti_get(env)->oti_hlock;
3705 ldiskfs_htree_lock(hlock, obj->oo_hl_head,
3706 dir, LDISKFS_HLOCK_LOOKUP);
3708 down_read(&obj->oo_ext_idx_sem);
3711 bh = osd_ldiskfs_find_entry(dir, dentry, &de, hlock);
3713 struct osd_thread_info *oti = osd_oti_get(env);
3714 struct osd_inode_id *id = &oti->oti_id;
3715 struct osd_idmap_cache *oic = &oti->oti_cache;
3716 struct osd_device *dev = osd_obj2dev(obj);
3717 struct osd_scrub *scrub = &dev->od_scrub;
3718 struct scrub_file *sf = &scrub->os_file;
3720 ino = le32_to_cpu(de->inode);
3721 if (OBD_FAIL_CHECK(OBD_FAIL_FID_LOOKUP)) {
3723 rc = osd_fail_fid_lookup(oti, dev, oic, fid, ino);
3727 rc = osd_get_fid_from_dentry(de, rec);
3729 /* done with de, release bh */
3732 rc = osd_ea_fid_get(env, obj, ino, fid, id);
3734 osd_id_gen(id, ino, OSD_OII_NOGEN);
3735 if (rc != 0 || osd_remote_fid(env, dev, fid)) {
3736 fid_zero(&oic->oic_fid);
3741 oic->oic_fid = *fid;
3742 if ((scrub->os_pos_current <= ino) &&
3743 ((sf->sf_flags & SF_INCONSISTENT) ||
3744 (sf->sf_flags & SF_UPGRADE && fid_is_igif(fid)) ||
3745 ldiskfs_test_bit(osd_oi_fid2idx(dev, fid),
3747 osd_consistency_check(oti, dev, oic);
3756 ldiskfs_htree_unlock(hlock);
3758 up_read(&obj->oo_ext_idx_sem);
3763 * Find the osd object for given fid.
3765 * \param fid need to find the osd object having this fid
3767 * \retval osd_object on success
3768 * \retval -ve on error
3770 struct osd_object *osd_object_find(const struct lu_env *env,
3771 struct dt_object *dt,
3772 const struct lu_fid *fid)
3774 struct lu_device *ludev = dt->do_lu.lo_dev;
3775 struct osd_object *child = NULL;
3776 struct lu_object *luch;
3777 struct lu_object *lo;
3780 * at this point topdev might not exist yet
3781 * (i.e. MGS is preparing profiles). so we can
3782 * not rely on topdev and instead lookup with
3783 * our device passed as topdev. this can't work
3784 * if the object isn't cached yet (as osd doesn't
3785 * allocate lu_header). IOW, the object must be
3786 * in the cache, otherwise lu_object_alloc() crashes
3789 luch = lu_object_find_at(env, ludev, fid, NULL);
3790 if (!IS_ERR(luch)) {
3791 if (lu_object_exists(luch)) {
3792 lo = lu_object_locate(luch->lo_header, ludev->ld_type);
3794 child = osd_obj(lo);
3796 LU_OBJECT_DEBUG(D_ERROR, env, luch,
3797 "lu_object can't be located"
3798 DFID"\n", PFID(fid));
3800 if (child == NULL) {
3801 lu_object_put(env, luch);
3802 CERROR("Unable to get osd_object\n");
3803 child = ERR_PTR(-ENOENT);
3806 LU_OBJECT_DEBUG(D_ERROR, env, luch,
3807 "lu_object does not exists "DFID"\n",
3809 lu_object_put(env, luch);
3810 child = ERR_PTR(-ENOENT);
3813 child = (void *)luch;
3819 * Put the osd object once done with it.
3821 * \param obj osd object that needs to be put
3823 static inline void osd_object_put(const struct lu_env *env,
3824 struct osd_object *obj)
3826 lu_object_put(env, &obj->oo_dt.do_lu);
3829 static int osd_index_declare_ea_insert(const struct lu_env *env,
3830 struct dt_object *dt,
3831 const struct dt_rec *rec,
3832 const struct dt_key *key,
3833 struct thandle *handle)
3835 struct osd_thandle *oh;
3836 struct osd_device *osd = osd_dev(dt->do_lu.lo_dev);
3837 struct lu_fid *fid = (struct lu_fid *)rec;
3841 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3842 LASSERT(handle != NULL);
3844 oh = container_of0(handle, struct osd_thandle, ot_super);
3845 LASSERT(oh->ot_handle == NULL);
3847 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
3848 osd_dto_credits_noquota[DTO_INDEX_INSERT]);
3850 if (osd_dt_obj(dt)->oo_inode == NULL) {
3851 const char *name = (const char *)key;
3852 /* Object is not being created yet. Only happens when
3853 * 1. declare directory create
3854 * 2. declare insert .
3855 * 3. declare insert ..
3857 LASSERT(strcmp(name, dotdot) == 0 || strcmp(name, dot) == 0);
3859 struct inode *inode = osd_dt_obj(dt)->oo_inode;
3861 /* We ignore block quota on meta pool (MDTs), so needn't
3862 * calculate how many blocks will be consumed by this index
3864 rc = osd_declare_inode_qid(env, inode->i_uid, inode->i_gid, 0,
3865 oh, true, true, NULL, false);
3871 rc = osd_remote_fid(env, osd, fid);
3877 osd_trans_declare_op(env, oh, OSD_OT_CREATE,
3878 osd_dto_credits_noquota[DTO_OBJECT_CREATE]);
3879 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
3880 osd_dto_credits_noquota[DTO_INDEX_INSERT] + 1);
3881 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
3882 osd_dto_credits_noquota[DTO_INDEX_INSERT] + 1);
3888 * Index add function for interoperability mode (b11826).
3889 * It will add the directory entry.This entry is needed to
3890 * maintain name->fid mapping.
3892 * \param key it is key i.e. file entry to be inserted
3893 * \param rec it is value of given key i.e. fid
3895 * \retval 0, on success
3896 * \retval -ve, on error
3898 static int osd_index_ea_insert(const struct lu_env *env, struct dt_object *dt,
3899 const struct dt_rec *rec,
3900 const struct dt_key *key, struct thandle *th,
3901 struct lustre_capa *capa, int ignore_quota)
3903 struct osd_object *obj = osd_dt_obj(dt);
3904 struct osd_device *osd = osd_dev(dt->do_lu.lo_dev);
3905 struct lu_fid *fid = (struct lu_fid *) rec;
3906 const char *name = (const char *)key;
3907 struct osd_thread_info *oti = osd_oti_get(env);
3908 struct osd_inode_id *id = &oti->oti_id;
3909 struct inode *child_inode = NULL;
3910 struct osd_object *child = NULL;
3914 LASSERT(osd_invariant(obj));
3915 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3916 LASSERT(th != NULL);
3918 osd_trans_exec_op(env, th, OSD_OT_INSERT);
3920 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_INSERT))
3923 LASSERTF(fid_is_sane(fid), "fid"DFID" is insane!", PFID(fid));
3925 rc = osd_remote_fid(env, osd, fid);
3927 CERROR("%s: Can not find object "DFID" rc %d\n",
3928 osd_name(osd), PFID(fid), rc);
3933 /* Insert remote entry */
3934 if (strcmp(name, dotdot) == 0 && strlen(name) == 2) {
3935 struct osd_mdobj_map *omm = osd->od_mdt_map;
3936 struct osd_thandle *oh;
3938 /* If parent on remote MDT, we need put this object
3940 oh = container_of(th, typeof(*oh), ot_super);
3941 rc = osd_add_to_remote_parent(env, osd, obj, oh);
3943 CERROR("%s: add "DFID" error: rc = %d\n",
3945 PFID(lu_object_fid(&dt->do_lu)), rc);
3949 child_inode = igrab(omm->omm_remote_parent->d_inode);
3951 child_inode = osd_create_local_agent_inode(env, osd,
3954 if (IS_ERR(child_inode))
3955 RETURN(PTR_ERR(child_inode));
3958 /* Insert local entry */
3959 child = osd_object_find(env, dt, fid);
3960 if (IS_ERR(child)) {
3961 CERROR("%s: Can not find object "DFID"%u:%u: rc = %d\n",
3962 osd_name(osd), PFID(fid),
3963 id->oii_ino, id->oii_gen,
3964 (int)PTR_ERR(child_inode));
3965 RETURN(PTR_ERR(child_inode));
3967 child_inode = igrab(child->oo_inode);
3970 rc = osd_ea_add_rec(env, obj, child_inode, name, rec, th);
3974 osd_object_put(env, child);
3975 LASSERT(osd_invariant(obj));
3980 * Initialize osd Iterator for given osd index object.
3982 * \param dt osd index object
3985 static struct dt_it *osd_it_iam_init(const struct lu_env *env,
3986 struct dt_object *dt,
3988 struct lustre_capa *capa)
3990 struct osd_it_iam *it;
3991 struct osd_thread_info *oti = osd_oti_get(env);
3992 struct osd_object *obj = osd_dt_obj(dt);
3993 struct lu_object *lo = &dt->do_lu;
3994 struct iam_path_descr *ipd;
3995 struct iam_container *bag = &obj->oo_dir->od_container;
3997 LASSERT(lu_object_exists(lo));
3999 if (osd_object_auth(env, dt, capa, CAPA_OPC_BODY_READ))
4000 return ERR_PTR(-EACCES);
4003 ipd = osd_it_ipd_get(env, bag);
4004 if (likely(ipd != NULL)) {
4008 iam_it_init(&it->oi_it, bag, IAM_IT_MOVE, ipd);
4009 return (struct dt_it *)it;
4011 return ERR_PTR(-ENOMEM);
4015 * free given Iterator.
4018 static void osd_it_iam_fini(const struct lu_env *env, struct dt_it *di)
4020 struct osd_it_iam *it = (struct osd_it_iam *)di;
4021 struct osd_object *obj = it->oi_obj;
4023 iam_it_fini(&it->oi_it);
4024 osd_ipd_put(env, &obj->oo_dir->od_container, it->oi_ipd);
4025 lu_object_put(env, &obj->oo_dt.do_lu);
4029 * Move Iterator to record specified by \a key
4031 * \param di osd iterator
4032 * \param key key for index
4034 * \retval +ve di points to record with least key not larger than key
4035 * \retval 0 di points to exact matched key
4036 * \retval -ve failure
4039 static int osd_it_iam_get(const struct lu_env *env,
4040 struct dt_it *di, const struct dt_key *key)
4042 struct osd_thread_info *oti = osd_oti_get(env);
4043 struct osd_it_iam *it = (struct osd_it_iam *)di;
4045 if (fid_is_quota(lu_object_fid(&it->oi_obj->oo_dt.do_lu))) {
4046 /* swab quota uid/gid */
4047 oti->oti_quota_id = cpu_to_le64(*((__u64 *)key));
4048 key = (struct dt_key *)&oti->oti_quota_id;
4051 return iam_it_get(&it->oi_it, (const struct iam_key *)key);
4057 * \param di osd iterator
4059 static void osd_it_iam_put(const struct lu_env *env, struct dt_it *di)
4061 struct osd_it_iam *it = (struct osd_it_iam *)di;
4063 iam_it_put(&it->oi_it);
4067 * Move iterator by one record
4069 * \param di osd iterator
4071 * \retval +1 end of container reached
4073 * \retval -ve failure
4076 static int osd_it_iam_next(const struct lu_env *env, struct dt_it *di)
4078 struct osd_it_iam *it = (struct osd_it_iam *)di;
4080 return iam_it_next(&it->oi_it);
4084 * Return pointer to the key under iterator.
4087 static struct dt_key *osd_it_iam_key(const struct lu_env *env,
4088 const struct dt_it *di)
4090 struct osd_thread_info *oti = osd_oti_get(env);
4091 struct osd_it_iam *it = (struct osd_it_iam *)di;
4092 struct osd_object *obj = it->oi_obj;
4095 key = (struct dt_key *)iam_it_key_get(&it->oi_it);
4097 if (!IS_ERR(key) && fid_is_quota(lu_object_fid(&obj->oo_dt.do_lu))) {
4098 /* swab quota uid/gid */
4099 oti->oti_quota_id = le64_to_cpu(*((__u64 *)key));
4100 key = (struct dt_key *)&oti->oti_quota_id;
4107 * Return size of key under iterator (in bytes)
4110 static int osd_it_iam_key_size(const struct lu_env *env, const struct dt_it *di)
4112 struct osd_it_iam *it = (struct osd_it_iam *)di;
4114 return iam_it_key_size(&it->oi_it);
4118 osd_it_append_attrs(struct lu_dirent *ent, int len, __u16 type)
4120 /* check if file type is required */
4121 if (ent->lde_attrs & LUDA_TYPE) {
4122 struct luda_type *lt;
4123 int align = sizeof(*lt) - 1;
4125 len = (len + align) & ~align;
4126 lt = (struct luda_type *)(ent->lde_name + len);
4127 lt->lt_type = cpu_to_le16(DTTOIF(type));
4130 ent->lde_attrs = cpu_to_le32(ent->lde_attrs);
4134 * build lu direct from backend fs dirent.
4138 osd_it_pack_dirent(struct lu_dirent *ent, struct lu_fid *fid, __u64 offset,
4139 char *name, __u16 namelen, __u16 type, __u32 attr)
4141 ent->lde_attrs = attr | LUDA_FID;
4142 fid_cpu_to_le(&ent->lde_fid, fid);
4144 ent->lde_hash = cpu_to_le64(offset);
4145 ent->lde_reclen = cpu_to_le16(lu_dirent_calc_size(namelen, attr));
4147 strncpy(ent->lde_name, name, namelen);
4148 ent->lde_name[namelen] = '\0';
4149 ent->lde_namelen = cpu_to_le16(namelen);
4151 /* append lustre attributes */
4152 osd_it_append_attrs(ent, namelen, type);
4156 * Return pointer to the record under iterator.
4158 static int osd_it_iam_rec(const struct lu_env *env,
4159 const struct dt_it *di,
4160 struct dt_rec *dtrec, __u32 attr)
4162 struct osd_it_iam *it = (struct osd_it_iam *)di;
4163 struct osd_thread_info *info = osd_oti_get(env);
4166 if (S_ISDIR(it->oi_obj->oo_inode->i_mode)) {
4167 const struct osd_fid_pack *rec;
4168 struct lu_fid *fid = &info->oti_fid;
4169 struct lu_dirent *lde = (struct lu_dirent *)dtrec;
4175 name = (char *)iam_it_key_get(&it->oi_it);
4177 RETURN(PTR_ERR(name));
4179 namelen = iam_it_key_size(&it->oi_it);
4181 rec = (const struct osd_fid_pack *)iam_it_rec_get(&it->oi_it);
4183 RETURN(PTR_ERR(rec));
4185 rc = osd_fid_unpack(fid, rec);
4189 hash = iam_it_store(&it->oi_it);
4191 /* IAM does not store object type in IAM index (dir) */
4192 osd_it_pack_dirent(lde, fid, hash, name, namelen,
4194 } else if (fid_is_quota(lu_object_fid(&it->oi_obj->oo_dt.do_lu))) {
4195 iam_reccpy(&it->oi_it.ii_path.ip_leaf,
4196 (struct iam_rec *)dtrec);
4197 osd_quota_unpack(it->oi_obj, dtrec);
4199 iam_reccpy(&it->oi_it.ii_path.ip_leaf,
4200 (struct iam_rec *)dtrec);
4207 * Returns cookie for current Iterator position.
4209 static __u64 osd_it_iam_store(const struct lu_env *env, const struct dt_it *di)
4211 struct osd_it_iam *it = (struct osd_it_iam *)di;
4213 return iam_it_store(&it->oi_it);
4217 * Restore iterator from cookie.
4219 * \param di osd iterator
4220 * \param hash Iterator location cookie
4222 * \retval +ve di points to record with least key not larger than key.
4223 * \retval 0 di points to exact matched key
4224 * \retval -ve failure
4227 static int osd_it_iam_load(const struct lu_env *env,
4228 const struct dt_it *di, __u64 hash)
4230 struct osd_it_iam *it = (struct osd_it_iam *)di;
4232 return iam_it_load(&it->oi_it, hash);
4235 static const struct dt_index_operations osd_index_iam_ops = {
4236 .dio_lookup = osd_index_iam_lookup,
4237 .dio_declare_insert = osd_index_declare_iam_insert,
4238 .dio_insert = osd_index_iam_insert,
4239 .dio_declare_delete = osd_index_declare_iam_delete,
4240 .dio_delete = osd_index_iam_delete,
4242 .init = osd_it_iam_init,
4243 .fini = osd_it_iam_fini,
4244 .get = osd_it_iam_get,
4245 .put = osd_it_iam_put,
4246 .next = osd_it_iam_next,
4247 .key = osd_it_iam_key,
4248 .key_size = osd_it_iam_key_size,
4249 .rec = osd_it_iam_rec,
4250 .store = osd_it_iam_store,
4251 .load = osd_it_iam_load
4257 * Creates or initializes iterator context.
4259 * \retval struct osd_it_ea, iterator structure on success
4262 static struct dt_it *osd_it_ea_init(const struct lu_env *env,
4263 struct dt_object *dt,
4265 struct lustre_capa *capa)
4267 struct osd_object *obj = osd_dt_obj(dt);
4268 struct osd_thread_info *info = osd_oti_get(env);
4269 struct osd_it_ea *it = &info->oti_it_ea;
4270 struct lu_object *lo = &dt->do_lu;
4271 struct dentry *obj_dentry = &info->oti_it_dentry;
4273 LASSERT(lu_object_exists(lo));
4275 obj_dentry->d_inode = obj->oo_inode;
4276 obj_dentry->d_sb = osd_sb(osd_obj2dev(obj));
4277 obj_dentry->d_name.hash = 0;
4279 it->oie_rd_dirent = 0;
4280 it->oie_it_dirent = 0;
4281 it->oie_dirent = NULL;
4282 it->oie_buf = info->oti_it_ea_buf;
4284 it->oie_file.f_pos = 0;
4285 it->oie_file.f_dentry = obj_dentry;
4286 if (attr & LUDA_64BITHASH)
4287 it->oie_file.f_mode |= FMODE_64BITHASH;
4289 it->oie_file.f_mode |= FMODE_32BITHASH;
4290 it->oie_file.f_mapping = obj->oo_inode->i_mapping;
4291 it->oie_file.f_op = obj->oo_inode->i_fop;
4292 it->oie_file.private_data = NULL;
4294 RETURN((struct dt_it *) it);
4298 * Destroy or finishes iterator context.
4300 * \param di iterator structure to be destroyed
4302 static void osd_it_ea_fini(const struct lu_env *env, struct dt_it *di)
4304 struct osd_it_ea *it = (struct osd_it_ea *)di;
4305 struct osd_object *obj = it->oie_obj;
4306 struct inode *inode = obj->oo_inode;
4309 it->oie_file.f_op->release(inode, &it->oie_file);
4310 lu_object_put(env, &obj->oo_dt.do_lu);
4315 * It position the iterator at given key, so that next lookup continues from
4316 * that key Or it is similar to dio_it->load() but based on a key,
4317 * rather than file position.
4319 * As a special convention, osd_it_ea_get(env, di, "") has to rewind iterator
4322 * TODO: Presently return +1 considering it is only used by mdd_dir_is_empty().
4324 static int osd_it_ea_get(const struct lu_env *env,
4325 struct dt_it *di, const struct dt_key *key)
4327 struct osd_it_ea *it = (struct osd_it_ea *)di;
4330 LASSERT(((const char *)key)[0] == '\0');
4331 it->oie_file.f_pos = 0;
4332 it->oie_rd_dirent = 0;
4333 it->oie_it_dirent = 0;
4334 it->oie_dirent = NULL;
4342 static void osd_it_ea_put(const struct lu_env *env, struct dt_it *di)
4347 * It is called internally by ->readdir(). It fills the
4348 * iterator's in-memory data structure with required
4349 * information i.e. name, namelen, rec_size etc.
4351 * \param buf in which information to be filled in.
4352 * \param name name of the file in given dir
4354 * \retval 0 on success
4355 * \retval 1 on buffer full
4357 static int osd_ldiskfs_filldir(char *buf, const char *name, int namelen,
4358 loff_t offset, __u64 ino,
4361 struct osd_it_ea *it = (struct osd_it_ea *)buf;
4362 struct osd_object *obj = it->oie_obj;
4363 struct osd_it_ea_dirent *ent = it->oie_dirent;
4364 struct lu_fid *fid = &ent->oied_fid;
4365 struct osd_fid_pack *rec;
4368 /* this should never happen */
4369 if (unlikely(namelen == 0 || namelen > LDISKFS_NAME_LEN)) {
4370 CERROR("ldiskfs return invalid namelen %d\n", namelen);
4374 if ((void *) ent - it->oie_buf + sizeof(*ent) + namelen >
4378 /* "." is just the object itself. */
4379 if (namelen == 1 && name[0] == '.') {
4380 *fid = obj->oo_dt.do_lu.lo_header->loh_fid;
4381 } else if (d_type & LDISKFS_DIRENT_LUFID) {
4382 rec = (struct osd_fid_pack*) (name + namelen + 1);
4383 if (osd_fid_unpack(fid, rec) != 0)
4388 d_type &= ~LDISKFS_DIRENT_LUFID;
4390 /* NOT export local root. */
4391 if (unlikely(osd_sb(osd_obj2dev(obj))->s_root->d_inode->i_ino == ino)) {
4392 ino = obj->oo_inode->i_ino;
4393 *fid = obj->oo_dt.do_lu.lo_header->loh_fid;
4396 ent->oied_ino = ino;
4397 ent->oied_off = offset;
4398 ent->oied_namelen = namelen;
4399 ent->oied_type = d_type;
4401 memcpy(ent->oied_name, name, namelen);
4403 it->oie_rd_dirent++;
4404 it->oie_dirent = (void *) ent + cfs_size_round(sizeof(*ent) + namelen);
4409 * Calls ->readdir() to load a directory entry at a time
4410 * and stored it in iterator's in-memory data structure.
4412 * \param di iterator's in memory structure
4414 * \retval 0 on success
4415 * \retval -ve on error
4417 static int osd_ldiskfs_it_fill(const struct lu_env *env,
4418 const struct dt_it *di)
4420 struct osd_it_ea *it = (struct osd_it_ea *)di;
4421 struct osd_object *obj = it->oie_obj;
4422 struct inode *inode = obj->oo_inode;
4423 struct htree_lock *hlock = NULL;
4427 it->oie_dirent = it->oie_buf;
4428 it->oie_rd_dirent = 0;
4430 if (obj->oo_hl_head != NULL) {
4431 hlock = osd_oti_get(env)->oti_hlock;
4432 ldiskfs_htree_lock(hlock, obj->oo_hl_head,
4433 inode, LDISKFS_HLOCK_READDIR);
4435 down_read(&obj->oo_ext_idx_sem);
4438 result = inode->i_fop->readdir(&it->oie_file, it,
4439 (filldir_t) osd_ldiskfs_filldir);
4442 ldiskfs_htree_unlock(hlock);
4444 up_read(&obj->oo_ext_idx_sem);
4446 if (it->oie_rd_dirent == 0) {
4449 it->oie_dirent = it->oie_buf;
4450 it->oie_it_dirent = 1;
4457 * It calls osd_ldiskfs_it_fill() which will use ->readdir()
4458 * to load a directory entry at a time and stored it in
4459 * iterator's in-memory data structure.
4461 * \param di iterator's in memory structure
4463 * \retval +ve iterator reached to end
4464 * \retval 0 iterator not reached to end
4465 * \retval -ve on error
4467 static int osd_it_ea_next(const struct lu_env *env, struct dt_it *di)
4469 struct osd_it_ea *it = (struct osd_it_ea *)di;
4474 if (it->oie_it_dirent < it->oie_rd_dirent) {
4476 (void *) it->oie_dirent +
4477 cfs_size_round(sizeof(struct osd_it_ea_dirent) +
4478 it->oie_dirent->oied_namelen);
4479 it->oie_it_dirent++;
4482 if (it->oie_file.f_pos == ldiskfs_get_htree_eof(&it->oie_file))
4485 rc = osd_ldiskfs_it_fill(env, di);
4492 * Returns the key at current position from iterator's in memory structure.
4494 * \param di iterator's in memory structure
4496 * \retval key i.e. struct dt_key on success
4498 static struct dt_key *osd_it_ea_key(const struct lu_env *env,
4499 const struct dt_it *di)
4501 struct osd_it_ea *it = (struct osd_it_ea *)di;
4503 return (struct dt_key *)it->oie_dirent->oied_name;
4507 * Returns the key's size at current position from iterator's in memory structure.
4509 * \param di iterator's in memory structure
4511 * \retval key_size i.e. struct dt_key on success
4513 static int osd_it_ea_key_size(const struct lu_env *env, const struct dt_it *di)
4515 struct osd_it_ea *it = (struct osd_it_ea *)di;
4517 return it->oie_dirent->oied_namelen;
4521 osd_dirent_update(handle_t *jh, struct super_block *sb,
4522 struct osd_it_ea_dirent *ent, struct lu_fid *fid,
4523 struct buffer_head *bh, struct ldiskfs_dir_entry_2 *de)
4525 struct osd_fid_pack *rec;
4529 LASSERT(de->file_type & LDISKFS_DIRENT_LUFID);
4530 LASSERT(de->rec_len >= de->name_len + sizeof(struct osd_fid_pack));
4532 rc = ldiskfs_journal_get_write_access(jh, bh);
4534 CERROR("%.16s: fail to write access for update dirent: "
4535 "name = %.*s, rc = %d\n",
4536 LDISKFS_SB(sb)->s_es->s_volume_name,
4537 ent->oied_namelen, ent->oied_name, rc);
4541 rec = (struct osd_fid_pack *)(de->name + de->name_len + 1);
4542 fid_cpu_to_be((struct lu_fid *)rec->fp_area, fid);
4543 rc = ldiskfs_journal_dirty_metadata(jh, bh);
4545 CERROR("%.16s: fail to dirty metadata for update dirent: "
4546 "name = %.*s, rc = %d\n",
4547 LDISKFS_SB(sb)->s_es->s_volume_name,
4548 ent->oied_namelen, ent->oied_name, rc);
4554 osd_dirent_has_space(__u16 reclen, __u16 namelen, unsigned blocksize)
4556 if (ldiskfs_rec_len_from_disk(reclen, blocksize) >=
4557 __LDISKFS_DIR_REC_LEN(namelen + 1 + sizeof(struct osd_fid_pack)))
4564 osd_dirent_reinsert(const struct lu_env *env, handle_t *jh,
4565 struct inode *dir, struct inode *inode,
4566 struct osd_it_ea_dirent *ent, struct lu_fid *fid,
4567 struct buffer_head *bh, struct ldiskfs_dir_entry_2 *de,
4568 struct htree_lock *hlock)
4570 struct dentry *dentry;
4571 struct osd_fid_pack *rec;
4572 struct ldiskfs_dentry_param *ldp;
4576 if (!LDISKFS_HAS_INCOMPAT_FEATURE(inode->i_sb,
4577 LDISKFS_FEATURE_INCOMPAT_DIRDATA))
4580 /* There is enough space to hold the FID-in-dirent. */
4581 if (osd_dirent_has_space(de->rec_len, ent->oied_namelen,
4582 dir->i_sb->s_blocksize)) {
4583 rc = ldiskfs_journal_get_write_access(jh, bh);
4585 CERROR("%.16s: fail to write access for reinsert "
4586 "dirent: name = %.*s, rc = %d\n",
4587 LDISKFS_SB(inode->i_sb)->s_es->s_volume_name,
4588 ent->oied_namelen, ent->oied_name, rc);
4592 de->name[de->name_len] = 0;
4593 rec = (struct osd_fid_pack *)(de->name + de->name_len + 1);
4594 rec->fp_len = sizeof(struct lu_fid) + 1;
4595 fid_cpu_to_be((struct lu_fid *)rec->fp_area, fid);
4596 de->file_type |= LDISKFS_DIRENT_LUFID;
4598 rc = ldiskfs_journal_dirty_metadata(jh, bh);
4600 CERROR("%.16s: fail to dirty metadata 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);
4608 rc = ldiskfs_delete_entry(jh, dir, de, bh);
4610 CERROR("%.16s: fail to delete entry for reinsert dirent: "
4611 "name = %.*s, rc = %d\n",
4612 LDISKFS_SB(inode->i_sb)->s_es->s_volume_name,
4613 ent->oied_namelen, ent->oied_name, rc);
4617 dentry = osd_child_dentry_by_inode(env, dir, ent->oied_name,
4619 ldp = (struct ldiskfs_dentry_param *)osd_oti_get(env)->oti_ldp;
4620 osd_get_ldiskfs_dirent_param(ldp, (const struct dt_rec *)fid);
4621 dentry->d_fsdata = (void *)ldp;
4622 ll_vfs_dq_init(dir);
4623 rc = osd_ldiskfs_add_entry(jh, dentry, inode, hlock);
4624 /* It is too bad, we cannot reinsert the name entry back.
4625 * That means we lose it! */
4627 CERROR("%.16s: fail to insert entry for reinsert dirent: "
4628 "name = %.*s, rc = %d\n",
4629 LDISKFS_SB(inode->i_sb)->s_es->s_volume_name,
4630 ent->oied_namelen, ent->oied_name, rc);
4636 osd_dirent_check_repair(const struct lu_env *env, struct osd_object *obj,
4637 struct osd_it_ea *it, struct lu_fid *fid,
4638 struct osd_inode_id *id, __u32 *attr)
4640 struct osd_thread_info *info = osd_oti_get(env);
4641 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
4642 struct osd_device *dev = osd_obj2dev(obj);
4643 struct super_block *sb = osd_sb(dev);
4644 const char *devname =
4645 LDISKFS_SB(sb)->s_es->s_volume_name;
4646 struct osd_it_ea_dirent *ent = it->oie_dirent;
4647 struct inode *dir = obj->oo_inode;
4648 struct htree_lock *hlock = NULL;
4649 struct buffer_head *bh = NULL;
4650 handle_t *jh = NULL;
4651 struct ldiskfs_dir_entry_2 *de;
4652 struct dentry *dentry;
4653 struct inode *inode;
4657 bool is_dotdot = false;
4660 if (ent->oied_name[0] == '.') {
4661 /* Skip dot entry, even if it has stale FID-in-dirent, because
4662 * we do not use such FID-in-dirent anymore, it is harmless. */
4663 if (ent->oied_namelen == 1)
4666 if (ent->oied_namelen == 2 && ent->oied_name[1] == '.')
4670 dentry = osd_child_dentry_get(env, obj, ent->oied_name,
4673 /* We need to ensure that the name entry is still valid.
4674 * Because it may be removed or renamed by other already.
4676 * The unlink or rename operation will start journal before PDO lock,
4677 * so to avoid deadlock, here we need to start journal handle before
4678 * related PDO lock also. But because we do not know whether there
4679 * will be something to be repaired before PDO lock, we just start
4680 * journal without conditions.
4682 * We may need to remove the name entry firstly, then insert back.
4683 * One credit is for user quota file update.
4684 * One credit is for group quota file update.
4685 * Two credits are for dirty inode. */
4686 credits = osd_dto_credits_noquota[DTO_INDEX_DELETE] +
4687 osd_dto_credits_noquota[DTO_INDEX_INSERT] + 1 + 1 + 2;
4690 if (dev->od_dirent_journal) {
4691 jh = ldiskfs_journal_start_sb(sb, credits);
4694 CERROR("%.16s: fail to start trans for dirent "
4695 "check_repair: credits %d, name %.*s, rc %d\n",
4696 devname, credits, ent->oied_namelen,
4697 ent->oied_name, rc);
4702 if (obj->oo_hl_head != NULL) {
4703 hlock = osd_oti_get(env)->oti_hlock;
4704 ldiskfs_htree_lock(hlock, obj->oo_hl_head, dir,
4707 down_write(&obj->oo_ext_idx_sem);
4710 bh = osd_ldiskfs_find_entry(dir, dentry, &de, hlock);
4711 /* For dotdot entry, if there is not enough space to hold FID-in-dirent,
4712 * just keep it there. It only happens when the device upgraded from 1.8
4713 * or restored from MDT file-level backup. For the whole directory, only
4714 * dotdot entry has no FID-in-dirent and needs to get FID from LMA when
4715 * readdir, it will not affect the performance much. */
4716 if ((bh == NULL) || (le32_to_cpu(de->inode) != ent->oied_ino) ||
4717 (is_dotdot && !osd_dirent_has_space(de->rec_len,
4719 sb->s_blocksize))) {
4720 *attr |= LUDA_IGNORE;
4721 GOTO(out_journal, rc = 0);
4724 osd_id_gen(id, ent->oied_ino, OSD_OII_NOGEN);
4725 inode = osd_iget(info, dev, id);
4726 if (IS_ERR(inode)) {
4727 rc = PTR_ERR(inode);
4728 if (rc == -ENOENT || rc == -ESTALE) {
4729 *attr |= LUDA_IGNORE;
4733 GOTO(out_journal, rc);
4736 rc = osd_get_lma(info, inode, &info->oti_obj_dentry, lma);
4738 if (fid_is_sane(fid)) {
4739 /* FID-in-dirent is valid. */
4740 if (lu_fid_eq(fid, &lma->lma_self_fid))
4741 GOTO(out_inode, rc = 0);
4743 /* Do not repair under dryrun mode. */
4744 if (*attr & LUDA_VERIFY_DRYRUN) {
4745 *attr |= LUDA_REPAIR;
4746 GOTO(out_inode, rc = 0);
4749 if (!dev->od_dirent_journal) {
4753 ldiskfs_htree_unlock(hlock);
4755 up_write(&obj->oo_ext_idx_sem);
4756 dev->od_dirent_journal = 1;
4760 *fid = lma->lma_self_fid;
4762 /* Update the FID-in-dirent. */
4763 rc = osd_dirent_update(jh, sb, ent, fid, bh, de);
4765 *attr |= LUDA_REPAIR;
4767 /* Do not repair under dryrun mode. */
4768 if (*attr & LUDA_VERIFY_DRYRUN) {
4769 *attr |= LUDA_REPAIR;
4770 GOTO(out_inode, rc = 0);
4773 if (!dev->od_dirent_journal) {
4777 ldiskfs_htree_unlock(hlock);
4779 up_write(&obj->oo_ext_idx_sem);
4780 dev->od_dirent_journal = 1;
4784 *fid = lma->lma_self_fid;
4786 /* Append the FID-in-dirent. */
4787 rc = osd_dirent_reinsert(env, jh, dir, inode, ent,
4788 fid, bh, de, hlock);
4790 *attr |= LUDA_REPAIR;
4792 } else if (rc == -ENODATA) {
4793 /* Do not repair under dryrun mode. */
4794 if (*attr & LUDA_VERIFY_DRYRUN) {
4795 if (fid_is_sane(fid))
4796 *attr |= LUDA_REPAIR;
4798 *attr |= LUDA_UPGRADE;
4799 GOTO(out_inode, rc = 0);
4802 if (!dev->od_dirent_journal) {
4806 ldiskfs_htree_unlock(hlock);
4808 up_write(&obj->oo_ext_idx_sem);
4809 dev->od_dirent_journal = 1;
4814 if (unlikely(fid_is_sane(fid))) {
4815 /* FID-in-dirent exists, but FID-in-LMA is lost.
4816 * Trust the FID-in-dirent, and add FID-in-LMA. */
4817 rc = osd_ea_fid_set(info, inode, fid, 0);
4819 *attr |= LUDA_REPAIR;
4821 lu_igif_build(fid, inode->i_ino, inode->i_generation);
4822 /* It is probably IGIF object. Only aappend the
4823 * FID-in-dirent. OI scrub will process FID-in-LMA. */
4824 rc = osd_dirent_reinsert(env, jh, dir, inode, ent,
4825 fid, bh, de, hlock);
4827 *attr |= LUDA_UPGRADE;
4831 GOTO(out_inode, rc);
4839 ldiskfs_htree_unlock(hlock);
4841 up_write(&obj->oo_ext_idx_sem);
4843 ldiskfs_journal_stop(jh);
4844 if (rc >= 0 && !dirty)
4845 dev->od_dirent_journal = 0;
4850 * Returns the value at current position from iterator's in memory structure.
4852 * \param di struct osd_it_ea, iterator's in memory structure
4853 * \param attr attr requested for dirent.
4854 * \param lde lustre dirent
4856 * \retval 0 no error and \param lde has correct lustre dirent.
4857 * \retval -ve on error
4859 static inline int osd_it_ea_rec(const struct lu_env *env,
4860 const struct dt_it *di,
4861 struct dt_rec *dtrec, __u32 attr)
4863 struct osd_it_ea *it = (struct osd_it_ea *)di;
4864 struct osd_object *obj = it->oie_obj;
4865 struct osd_device *dev = osd_obj2dev(obj);
4866 struct osd_scrub *scrub = &dev->od_scrub;
4867 struct scrub_file *sf = &scrub->os_file;
4868 struct osd_thread_info *oti = osd_oti_get(env);
4869 struct osd_inode_id *id = &oti->oti_id;
4870 struct osd_idmap_cache *oic = &oti->oti_cache;
4871 struct lu_fid *fid = &it->oie_dirent->oied_fid;
4872 struct lu_dirent *lde = (struct lu_dirent *)dtrec;
4873 __u32 ino = it->oie_dirent->oied_ino;
4877 if (attr & LUDA_VERIFY) {
4879 if (unlikely(ino == osd_sb(dev)->s_root->d_inode->i_ino)) {
4880 attr |= LUDA_IGNORE;
4885 rc = osd_dirent_check_repair(env, obj, it, fid, id, &attr);
4887 attr &= ~LU_DIRENT_ATTRS_MASK;
4888 if (!fid_is_sane(fid)) {
4889 if (OBD_FAIL_CHECK(OBD_FAIL_FID_LOOKUP))
4892 rc = osd_ea_fid_get(env, obj, ino, fid, id);
4894 osd_id_gen(id, ino, OSD_OII_NOGEN);
4902 osd_it_pack_dirent(lde, fid, it->oie_dirent->oied_off,
4903 it->oie_dirent->oied_name,
4904 it->oie_dirent->oied_namelen,
4905 it->oie_dirent->oied_type, attr);
4907 if (osd_remote_fid(env, dev, fid))
4910 if (likely(!(attr & LUDA_IGNORE))) {
4912 oic->oic_fid = *fid;
4915 if (!(attr & LUDA_VERIFY) &&
4916 (scrub->os_pos_current <= ino) &&
4917 ((sf->sf_flags & SF_INCONSISTENT) ||
4918 (sf->sf_flags & SF_UPGRADE && fid_is_igif(fid)) ||
4919 ldiskfs_test_bit(osd_oi_fid2idx(dev, fid), sf->sf_oi_bitmap)))
4920 osd_consistency_check(oti, dev, oic);
4926 * Returns a cookie for current position of the iterator head, so that
4927 * user can use this cookie to load/start the iterator next time.
4929 * \param di iterator's in memory structure
4931 * \retval cookie for current position, on success
4933 static __u64 osd_it_ea_store(const struct lu_env *env, const struct dt_it *di)
4935 struct osd_it_ea *it = (struct osd_it_ea *)di;
4937 return it->oie_dirent->oied_off;
4941 * It calls osd_ldiskfs_it_fill() which will use ->readdir()
4942 * to load a directory entry at a time and stored it i inn,
4943 * in iterator's in-memory data structure.
4945 * \param di struct osd_it_ea, iterator's in memory structure
4947 * \retval +ve on success
4948 * \retval -ve on error
4950 static int osd_it_ea_load(const struct lu_env *env,
4951 const struct dt_it *di, __u64 hash)
4953 struct osd_it_ea *it = (struct osd_it_ea *)di;
4957 it->oie_file.f_pos = hash;
4959 rc = osd_ldiskfs_it_fill(env, di);
4967 * Index lookup function for interoperability mode (b11826).
4969 * \param key, key i.e. file name to be searched
4971 * \retval +ve, on success
4972 * \retval -ve, on error
4974 static int osd_index_ea_lookup(const struct lu_env *env, struct dt_object *dt,
4975 struct dt_rec *rec, const struct dt_key *key,
4976 struct lustre_capa *capa)
4978 struct osd_object *obj = osd_dt_obj(dt);
4983 LASSERT(S_ISDIR(obj->oo_inode->i_mode));
4984 LINVRNT(osd_invariant(obj));
4986 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_LOOKUP))
4989 rc = osd_ea_lookup_rec(env, obj, rec, key);
4996 * Index and Iterator operations for interoperability
4997 * mode (i.e. to run 2.0 mds on 1.8 disk) (b11826)
4999 static const struct dt_index_operations osd_index_ea_ops = {
5000 .dio_lookup = osd_index_ea_lookup,
5001 .dio_declare_insert = osd_index_declare_ea_insert,
5002 .dio_insert = osd_index_ea_insert,
5003 .dio_declare_delete = osd_index_declare_ea_delete,
5004 .dio_delete = osd_index_ea_delete,
5006 .init = osd_it_ea_init,
5007 .fini = osd_it_ea_fini,
5008 .get = osd_it_ea_get,
5009 .put = osd_it_ea_put,
5010 .next = osd_it_ea_next,
5011 .key = osd_it_ea_key,
5012 .key_size = osd_it_ea_key_size,
5013 .rec = osd_it_ea_rec,
5014 .store = osd_it_ea_store,
5015 .load = osd_it_ea_load
5019 static void *osd_key_init(const struct lu_context *ctx,
5020 struct lu_context_key *key)
5022 struct osd_thread_info *info;
5024 OBD_ALLOC_PTR(info);
5026 return ERR_PTR(-ENOMEM);
5028 OBD_ALLOC(info->oti_it_ea_buf, OSD_IT_EA_BUFSIZE);
5029 if (info->oti_it_ea_buf == NULL)
5032 info->oti_env = container_of(ctx, struct lu_env, le_ctx);
5034 info->oti_hlock = ldiskfs_htree_lock_alloc();
5035 if (info->oti_hlock == NULL)
5041 OBD_FREE(info->oti_it_ea_buf, OSD_IT_EA_BUFSIZE);
5044 return ERR_PTR(-ENOMEM);
5047 static void osd_key_fini(const struct lu_context *ctx,
5048 struct lu_context_key *key, void* data)
5050 struct osd_thread_info *info = data;
5052 if (info->oti_hlock != NULL)
5053 ldiskfs_htree_lock_free(info->oti_hlock);
5054 OBD_FREE(info->oti_it_ea_buf, OSD_IT_EA_BUFSIZE);
5055 lu_buf_free(&info->oti_iobuf.dr_pg_buf);
5056 lu_buf_free(&info->oti_iobuf.dr_bl_buf);
5060 static void osd_key_exit(const struct lu_context *ctx,
5061 struct lu_context_key *key, void *data)
5063 struct osd_thread_info *info = data;
5065 LASSERT(info->oti_r_locks == 0);
5066 LASSERT(info->oti_w_locks == 0);
5067 LASSERT(info->oti_txns == 0);
5070 /* type constructor/destructor: osd_type_init, osd_type_fini */
5071 LU_TYPE_INIT_FINI(osd, &osd_key);
5073 struct lu_context_key osd_key = {
5074 .lct_tags = LCT_DT_THREAD | LCT_MD_THREAD | LCT_MG_THREAD | LCT_LOCAL,
5075 .lct_init = osd_key_init,
5076 .lct_fini = osd_key_fini,
5077 .lct_exit = osd_key_exit
5081 static int osd_device_init(const struct lu_env *env, struct lu_device *d,
5082 const char *name, struct lu_device *next)
5084 struct osd_device *osd = osd_dev(d);
5086 if (strlcpy(osd->od_svname, name, sizeof(osd->od_svname))
5087 >= sizeof(osd->od_svname))
5089 return osd_procfs_init(osd, name);
5092 static int osd_shutdown(const struct lu_env *env, struct osd_device *o)
5096 osd_scrub_cleanup(env, o);
5099 fsfilt_put_ops(o->od_fsops);
5103 /* shutdown quota slave instance associated with the device */
5104 if (o->od_quota_slave != NULL) {
5105 qsd_fini(env, o->od_quota_slave);
5106 o->od_quota_slave = NULL;
5112 static int osd_mount(const struct lu_env *env,
5113 struct osd_device *o, struct lustre_cfg *cfg)
5115 const char *name = lustre_cfg_string(cfg, 0);
5116 const char *dev = lustre_cfg_string(cfg, 1);
5118 unsigned long page, s_flags, lmd_flags = 0;
5119 struct page *__page;
5120 struct file_system_type *type;
5121 char *options = NULL;
5126 if (o->od_mnt != NULL)
5129 if (strlen(dev) >= sizeof(o->od_mntdev))
5131 strcpy(o->od_mntdev, dev);
5133 o->od_fsops = fsfilt_get_ops(mt_str(LDD_MT_LDISKFS));
5134 if (o->od_fsops == NULL) {
5135 CERROR("Can't find fsfilt_ldiskfs\n");
5139 OBD_PAGE_ALLOC(__page, CFS_ALLOC_STD);
5141 GOTO(out, rc = -ENOMEM);
5143 str = lustre_cfg_string(cfg, 2);
5144 s_flags = simple_strtoul(str, NULL, 0);
5145 str = strstr(str, ":");
5147 lmd_flags = simple_strtoul(str + 1, NULL, 0);
5148 opts = lustre_cfg_string(cfg, 3);
5149 page = (unsigned long)cfs_page_address(__page);
5150 options = (char *)page;
5153 strcat(options, "user_xattr,acl");
5155 strcat(options, opts);
5157 /* Glom up mount options */
5158 if (*options != '\0')
5159 strcat(options, ",");
5160 strlcat(options, "no_mbcache", CFS_PAGE_SIZE);
5162 type = get_fs_type("ldiskfs");
5164 CERROR("%s: cannot find ldiskfs module\n", name);
5165 GOTO(out, rc = -ENODEV);
5168 o->od_mnt = vfs_kern_mount(type, s_flags, dev, options);
5169 cfs_module_put(type->owner);
5171 if (IS_ERR(o->od_mnt)) {
5172 rc = PTR_ERR(o->od_mnt);
5173 CERROR("%s: can't mount %s: %d\n", name, dev, rc);
5178 #ifdef HAVE_DEV_SET_RDONLY
5179 if (dev_check_rdonly(o->od_mnt->mnt_sb->s_bdev)) {
5180 CERROR("%s: underlying device %s is marked as read-only. "
5181 "Setup failed\n", name, dev);
5184 GOTO(out, rc = -EROFS);
5188 if (!LDISKFS_HAS_COMPAT_FEATURE(o->od_mnt->mnt_sb,
5189 LDISKFS_FEATURE_COMPAT_HAS_JOURNAL)) {
5190 CERROR("%s: device %s is mounted w/o journal\n", name, dev);
5193 GOTO(out, rc = -EINVAL);
5196 ldiskfs_set_inode_state(osd_sb(o)->s_root->d_inode,
5197 LDISKFS_STATE_LUSTRE_NO_OI);
5198 if (lmd_flags & LMD_FLG_NOSCRUB)
5203 OBD_PAGE_FREE(__page);
5205 fsfilt_put_ops(o->od_fsops);
5210 static struct lu_device *osd_device_fini(const struct lu_env *env,
5211 struct lu_device *d)
5216 rc = osd_shutdown(env, osd_dev(d));
5218 osd_obj_map_fini(osd_dev(d));
5220 shrink_dcache_sb(osd_sb(osd_dev(d)));
5221 osd_sync(env, lu2dt_dev(d));
5223 rc = osd_procfs_fini(osd_dev(d));
5225 CERROR("proc fini error %d \n", rc);
5226 RETURN (ERR_PTR(rc));
5229 if (osd_dev(d)->od_mnt) {
5230 mntput(osd_dev(d)->od_mnt);
5231 osd_dev(d)->od_mnt = NULL;
5237 static int osd_device_init0(const struct lu_env *env,
5238 struct osd_device *o,
5239 struct lustre_cfg *cfg)
5241 struct lu_device *l = osd2lu_dev(o);
5242 struct osd_thread_info *info;
5246 /* if the module was re-loaded, env can loose its keys */
5247 rc = lu_env_refill((struct lu_env *) env);
5250 info = osd_oti_get(env);
5253 l->ld_ops = &osd_lu_ops;
5254 o->od_dt_dev.dd_ops = &osd_dt_ops;
5256 spin_lock_init(&o->od_osfs_lock);
5257 mutex_init(&o->od_otable_mutex);
5258 o->od_osfs_age = cfs_time_shift_64(-1000);
5260 o->od_capa_hash = init_capa_hash();
5261 if (o->od_capa_hash == NULL)
5262 GOTO(out, rc = -ENOMEM);
5264 o->od_read_cache = 1;
5265 o->od_writethrough_cache = 1;
5266 o->od_readcache_max_filesize = OSD_MAX_CACHE_SIZE;
5268 rc = osd_mount(env, o, cfg);
5272 CFS_INIT_LIST_HEAD(&o->od_ios_list);
5273 /* setup scrub, including OI files initialization */
5274 rc = osd_scrub_setup(env, o);
5278 cplen = strlcpy(o->od_svname, lustre_cfg_string(cfg, 4),
5279 sizeof(o->od_svname));
5280 if (cplen >= sizeof(o->od_svname)) {
5285 rc = osd_obj_map_init(env, o);
5287 GOTO(out_scrub, rc);
5289 rc = lu_site_init(&o->od_site, l);
5291 GOTO(out_compat, rc);
5292 o->od_site.ls_bottom_dev = l;
5294 rc = lu_site_init_finish(&o->od_site);
5298 rc = osd_procfs_init(o, o->od_svname);
5300 CERROR("%s: can't initialize procfs: rc = %d\n",
5305 LASSERT(l->ld_site->ls_linkage.next && l->ld_site->ls_linkage.prev);
5307 /* initialize quota slave instance */
5308 o->od_quota_slave = qsd_init(env, o->od_svname, &o->od_dt_dev,
5310 if (IS_ERR(o->od_quota_slave)) {
5311 rc = PTR_ERR(o->od_quota_slave);
5312 o->od_quota_slave = NULL;
5313 GOTO(out_procfs, rc);
5320 lu_site_fini(&o->od_site);
5322 osd_obj_map_fini(o);
5324 osd_scrub_cleanup(env, o);
5326 osd_oi_fini(info, o);
5327 osd_shutdown(env, o);
5331 cleanup_capa_hash(o->od_capa_hash);
5336 static struct lu_device *osd_device_alloc(const struct lu_env *env,
5337 struct lu_device_type *t,
5338 struct lustre_cfg *cfg)
5340 struct osd_device *o;
5345 return ERR_PTR(-ENOMEM);
5347 rc = dt_device_init(&o->od_dt_dev, t);
5349 /* Because the ctx might be revived in dt_device_init,
5350 * refill the env here */
5351 lu_env_refill((struct lu_env *)env);
5352 rc = osd_device_init0(env, o, cfg);
5354 dt_device_fini(&o->od_dt_dev);
5357 if (unlikely(rc != 0))
5360 return rc == 0 ? osd2lu_dev(o) : ERR_PTR(rc);
5363 static struct lu_device *osd_device_free(const struct lu_env *env,
5364 struct lu_device *d)
5366 struct osd_device *o = osd_dev(d);
5369 cleanup_capa_hash(o->od_capa_hash);
5370 /* XXX: make osd top device in order to release reference */
5371 d->ld_site->ls_top_dev = d;
5372 lu_site_purge(env, d->ld_site, -1);
5373 if (!cfs_hash_is_empty(d->ld_site->ls_obj_hash)) {
5374 LIBCFS_DEBUG_MSG_DATA_DECL(msgdata, D_ERROR, NULL);
5375 lu_site_print(env, d->ld_site, &msgdata, lu_cdebug_printer);
5377 lu_site_fini(&o->od_site);
5378 dt_device_fini(&o->od_dt_dev);
5383 static int osd_process_config(const struct lu_env *env,
5384 struct lu_device *d, struct lustre_cfg *cfg)
5386 struct osd_device *o = osd_dev(d);
5390 switch(cfg->lcfg_command) {
5392 err = osd_mount(env, o, cfg);
5395 lu_dev_del_linkage(d->ld_site, d);
5396 err = osd_shutdown(env, o);
5405 static int osd_recovery_complete(const struct lu_env *env,
5406 struct lu_device *d)
5408 struct osd_device *osd = osd_dev(d);
5412 if (osd->od_quota_slave == NULL)
5415 /* start qsd instance on recovery completion, this notifies the quota
5416 * slave code that we are about to process new requests now */
5417 rc = qsd_start(env, osd->od_quota_slave);
5422 * we use exports to track all osd users
5424 static int osd_obd_connect(const struct lu_env *env, struct obd_export **exp,
5425 struct obd_device *obd, struct obd_uuid *cluuid,
5426 struct obd_connect_data *data, void *localdata)
5428 struct osd_device *osd = osd_dev(obd->obd_lu_dev);
5429 struct lustre_handle conn;
5433 CDEBUG(D_CONFIG, "connect #%d\n", osd->od_connects);
5435 rc = class_connect(&conn, obd, cluuid);
5439 *exp = class_conn2export(&conn);
5441 spin_lock(&osd->od_osfs_lock);
5443 spin_unlock(&osd->od_osfs_lock);
5449 * once last export (we don't count self-export) disappeared
5450 * osd can be released
5452 static int osd_obd_disconnect(struct obd_export *exp)
5454 struct obd_device *obd = exp->exp_obd;
5455 struct osd_device *osd = osd_dev(obd->obd_lu_dev);
5456 int rc, release = 0;
5459 /* Only disconnect the underlying layers on the final disconnect. */
5460 spin_lock(&osd->od_osfs_lock);
5462 if (osd->od_connects == 0)
5464 spin_unlock(&osd->od_osfs_lock);
5466 rc = class_disconnect(exp); /* bz 9811 */
5468 if (rc == 0 && release)
5469 class_manual_cleanup(obd);
5473 static int osd_prepare(const struct lu_env *env, struct lu_device *pdev,
5474 struct lu_device *dev)
5476 struct osd_device *osd = osd_dev(dev);
5480 if (dev->ld_site && lu_device_is_md(dev->ld_site->ls_top_dev)) {
5481 /* MDT/MDD still use old infrastructure to create
5483 result = llo_local_objects_setup(env, lu2md_dev(pdev),
5489 if (osd->od_quota_slave != NULL)
5490 /* set up quota slave objects */
5491 result = qsd_prepare(env, osd->od_quota_slave);
5496 static const struct lu_object_operations osd_lu_obj_ops = {
5497 .loo_object_init = osd_object_init,
5498 .loo_object_delete = osd_object_delete,
5499 .loo_object_release = osd_object_release,
5500 .loo_object_free = osd_object_free,
5501 .loo_object_print = osd_object_print,
5502 .loo_object_invariant = osd_object_invariant
5505 const struct lu_device_operations osd_lu_ops = {
5506 .ldo_object_alloc = osd_object_alloc,
5507 .ldo_process_config = osd_process_config,
5508 .ldo_recovery_complete = osd_recovery_complete,
5509 .ldo_prepare = osd_prepare,
5512 static const struct lu_device_type_operations osd_device_type_ops = {
5513 .ldto_init = osd_type_init,
5514 .ldto_fini = osd_type_fini,
5516 .ldto_start = osd_type_start,
5517 .ldto_stop = osd_type_stop,
5519 .ldto_device_alloc = osd_device_alloc,
5520 .ldto_device_free = osd_device_free,
5522 .ldto_device_init = osd_device_init,
5523 .ldto_device_fini = osd_device_fini
5526 struct lu_device_type osd_device_type = {
5527 .ldt_tags = LU_DEVICE_DT,
5528 .ldt_name = LUSTRE_OSD_LDISKFS_NAME,
5529 .ldt_ops = &osd_device_type_ops,
5530 .ldt_ctx_tags = LCT_LOCAL,
5534 * lprocfs legacy support.
5536 static struct obd_ops osd_obd_device_ops = {
5537 .o_owner = THIS_MODULE,
5538 .o_connect = osd_obd_connect,
5539 .o_disconnect = osd_obd_disconnect
5542 static int __init osd_mod_init(void)
5544 struct lprocfs_static_vars lvars;
5547 lprocfs_osd_init_vars(&lvars);
5548 return class_register_type(&osd_obd_device_ops, NULL, lvars.module_vars,
5549 LUSTRE_OSD_LDISKFS_NAME, &osd_device_type);
5552 static void __exit osd_mod_exit(void)
5554 class_unregister_type(LUSTRE_OSD_LDISKFS_NAME);
5557 MODULE_AUTHOR("Sun Microsystems, Inc. <http://www.lustre.org/>");
5558 MODULE_DESCRIPTION("Lustre Object Storage Device ("LUSTRE_OSD_LDISKFS_NAME")");
5559 MODULE_LICENSE("GPL");
5561 cfs_module(osd, "0.1.0", osd_mod_init, osd_mod_exit);