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 dentry->d_sb = inode->i_sb;
176 return inode->i_op->getxattr(dentry, name, buf, len);
179 int osd_get_lma(struct osd_thread_info *info, struct inode *inode,
180 struct dentry *dentry, struct lustre_mdt_attrs *lma)
184 rc = __osd_xattr_get(inode, dentry, XATTR_NAME_LMA, (void *)lma,
187 /* try with old lma size */
188 rc = inode->i_op->getxattr(dentry, XATTR_NAME_LMA,
189 info->oti_mdt_attrs_old,
192 memcpy(lma, info->oti_mdt_attrs_old, sizeof(*lma));
195 /* Check LMA compatibility */
196 if (lma->lma_incompat & ~cpu_to_le32(LMA_INCOMPAT_SUPP)) {
197 CWARN("%.16s: unsupported incompat LMA feature(s) "
199 LDISKFS_SB(inode->i_sb)->s_es->s_volume_name,
200 inode->i_ino, le32_to_cpu(lma->lma_incompat) &
204 lustre_lma_swab(lma);
207 } else if (rc == 0) {
215 * retrieve object from backend ext fs.
217 struct inode *osd_iget(struct osd_thread_info *info, struct osd_device *dev,
218 struct osd_inode_id *id)
220 struct inode *inode = NULL;
222 inode = ldiskfs_iget(osd_sb(dev), id->oii_ino);
224 CDEBUG(D_INODE, "no inode: ino = %u, rc = %ld\n",
225 id->oii_ino, PTR_ERR(inode));
226 } else if (id->oii_gen != OSD_OII_NOGEN &&
227 inode->i_generation != id->oii_gen) {
228 CDEBUG(D_INODE, "unmatched inode: ino = %u, gen0 = %u, "
230 id->oii_ino, id->oii_gen, inode->i_generation);
232 inode = ERR_PTR(-ESTALE);
233 } else if (inode->i_nlink == 0) {
234 /* due to parallel readdir and unlink,
235 * we can have dead inode here. */
236 CDEBUG(D_INODE, "stale inode: ino = %u\n", id->oii_ino);
237 make_bad_inode(inode);
239 inode = ERR_PTR(-ESTALE);
240 } else if (is_bad_inode(inode)) {
241 CWARN("%.16s: bad inode: ino = %u\n",
242 LDISKFS_SB(osd_sb(dev))->s_es->s_volume_name, id->oii_ino);
244 inode = ERR_PTR(-ENOENT);
246 if (id->oii_gen == OSD_OII_NOGEN)
247 osd_id_gen(id, inode->i_ino, inode->i_generation);
249 /* Do not update file c/mtime in ldiskfs.
250 * NB: we don't have any lock to protect this because we don't
251 * have reference on osd_object now, but contention with
252 * another lookup + attr_set can't happen in the tiny window
253 * between if (...) and set S_NOCMTIME. */
254 if (!(inode->i_flags & S_NOCMTIME))
255 inode->i_flags |= S_NOCMTIME;
260 static struct inode *
261 osd_iget_fid(struct osd_thread_info *info, struct osd_device *dev,
262 struct osd_inode_id *id, struct lu_fid *fid)
264 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
268 inode = osd_iget(info, dev, id);
272 rc = osd_get_lma(info, inode, &info->oti_obj_dentry, lma);
274 *fid = lma->lma_self_fid;
275 } else if (rc == -ENODATA) {
276 if (unlikely(inode == osd_sb(dev)->s_root->d_inode))
277 lu_local_obj_fid(fid, OSD_FS_ROOT_OID);
279 lu_igif_build(fid, inode->i_ino, inode->i_generation);
287 static struct inode *
288 osd_iget_verify(struct osd_thread_info *info, struct osd_device *dev,
289 struct osd_inode_id *id, const struct lu_fid *fid)
291 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
295 inode = osd_iget(info, dev, id);
299 rc = osd_get_lma(info, inode, &info->oti_obj_dentry, lma);
308 if (!lu_fid_eq(fid, &lma->lma_self_fid)) {
309 CDEBUG(D_LFSCK, "inconsistent obj: "DFID", %lu, "DFID"\n",
310 PFID(&lma->lma_self_fid), inode->i_ino, PFID(fid));
312 return ERR_PTR(-EREMCHG);
318 static int osd_fid_lookup(const struct lu_env *env, struct osd_object *obj,
319 const struct lu_fid *fid,
320 const struct lu_object_conf *conf)
322 struct osd_thread_info *info;
323 struct lu_device *ldev = obj->oo_dt.do_lu.lo_dev;
324 struct osd_device *dev;
325 struct osd_idmap_cache *oic;
326 struct osd_inode_id *id;
328 struct osd_scrub *scrub;
329 struct scrub_file *sf;
334 LINVRNT(osd_invariant(obj));
335 LASSERT(obj->oo_inode == NULL);
336 LASSERTF(fid_is_sane(fid) || fid_is_idif(fid), DFID, PFID(fid));
339 scrub = &dev->od_scrub;
340 sf = &scrub->os_file;
341 info = osd_oti_get(env);
343 oic = &info->oti_cache;
345 if (OBD_FAIL_CHECK(OBD_FAIL_OST_ENOENT))
348 /* Search order: 1. per-thread cache. */
349 if (lu_fid_eq(fid, &oic->oic_fid)) {
355 if (!cfs_list_empty(&scrub->os_inconsistent_items)) {
356 /* Search order: 2. OI scrub pending list. */
357 result = osd_oii_lookup(dev, fid, id);
362 if (sf->sf_flags & SF_INCONSISTENT)
366 * Objects are created as locking anchors or place holders for objects
367 * yet to be created. No need to osd_oi_lookup() at here because FID
368 * shouldn't never be re-used, if it's really a duplicate FID from
369 * unexpected reason, we should be able to detect it later by calling
370 * do_create->osd_oi_insert()
372 if (conf != NULL && conf->loc_flags & LOC_F_NEW)
373 GOTO(out, result = 0);
375 /* Search order: 3. OI files. */
376 result = osd_oi_lookup(info, dev, fid, id, true);
377 if (result == -ENOENT) {
378 if (!fid_is_norm(fid) || fid_is_on_ost(info, dev, fid) ||
379 !ldiskfs_test_bit(osd_oi_fid2idx(dev,fid),
381 GOTO(out, result = 0);
391 inode = osd_iget(info, dev, id);
393 inode = osd_iget_verify(info, dev, id, fid);
395 result = PTR_ERR(inode);
396 if (result == -ENOENT || result == -ESTALE) {
397 fid_zero(&oic->oic_fid);
399 } else if (result == -EREMCHG) {
402 if (thread_is_running(&scrub->os_thread)) {
403 result = -EINPROGRESS;
404 } else if (!dev->od_noscrub) {
405 result = osd_scrub_start(dev);
406 LCONSOLE_ERROR("%.16s: trigger OI scrub by RPC "
407 "for "DFID", rc = %d [1]\n",
408 LDISKFS_SB(osd_sb(dev))->s_es->\
409 s_volume_name,PFID(fid), result);
410 if (result == 0 || result == -EALREADY)
411 result = -EINPROGRESS;
420 obj->oo_inode = inode;
421 LASSERT(obj->oo_inode->i_sb == osd_sb(dev));
423 obj->oo_compat_dot_created = 1;
424 obj->oo_compat_dotdot_created = 1;
426 if (!S_ISDIR(inode->i_mode) || !ldiskfs_pdo) /* done */
427 GOTO(out, result = 0);
429 LASSERT(obj->oo_hl_head == NULL);
430 obj->oo_hl_head = ldiskfs_htree_lock_head_alloc(HTREE_HBITS_DEF);
431 if (obj->oo_hl_head == NULL) {
432 obj->oo_inode = NULL;
434 GOTO(out, result = -ENOMEM);
436 GOTO(out, result = 0);
439 LINVRNT(osd_invariant(obj));
444 * Concurrency: shouldn't matter.
446 static void osd_object_init0(struct osd_object *obj)
448 LASSERT(obj->oo_inode != NULL);
449 obj->oo_dt.do_body_ops = &osd_body_ops;
450 obj->oo_dt.do_lu.lo_header->loh_attr |=
451 (LOHA_EXISTS | (obj->oo_inode->i_mode & S_IFMT));
454 static int osd_check_lma(const struct lu_env *env, struct osd_object *obj)
456 struct osd_thread_info *info = osd_oti_get(env);
457 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
461 rc = __osd_xattr_get(obj->oo_inode, &info->oti_obj_dentry,
462 XATTR_NAME_LMA, (void *)lma, sizeof(*lma));
465 if (unlikely((le32_to_cpu(lma->lma_incompat) &
466 ~LMA_INCOMPAT_SUPP) ||
467 CFS_FAIL_CHECK(OBD_FAIL_OSD_LMA_INCOMPAT))) {
468 CWARN("%s: unsupported incompat LMA feature(s) %#x for "
469 DFID"\n", osd_obj2dev(obj)->od_svname,
470 le32_to_cpu(lma->lma_incompat) &
472 PFID(lu_object_fid(&obj->oo_dt.do_lu)));
475 } else if (rc == -ENODATA) {
476 /* haven't initialize LMA xattr */
484 * Concurrency: no concurrent access is possible that early in object
487 static int osd_object_init(const struct lu_env *env, struct lu_object *l,
488 const struct lu_object_conf *conf)
490 struct osd_object *obj = osd_obj(l);
493 LINVRNT(osd_invariant(obj));
495 if (fid_is_otable_it(&l->lo_header->loh_fid)) {
496 obj->oo_dt.do_ops = &osd_obj_otable_it_ops;
497 l->lo_header->loh_attr |= LOHA_EXISTS;
501 result = osd_fid_lookup(env, obj, lu_object_fid(l), conf);
502 obj->oo_dt.do_body_ops = &osd_body_ops_new;
503 if (result == 0 && obj->oo_inode != NULL) {
504 osd_object_init0(obj);
505 result = osd_check_lma(env, obj);
508 LINVRNT(osd_invariant(obj));
513 * Concurrency: no concurrent access is possible that late in object
516 static void osd_object_free(const struct lu_env *env, struct lu_object *l)
518 struct osd_object *obj = osd_obj(l);
520 LINVRNT(osd_invariant(obj));
522 dt_object_fini(&obj->oo_dt);
523 if (obj->oo_hl_head != NULL)
524 ldiskfs_htree_lock_head_free(obj->oo_hl_head);
529 * Concurrency: no concurrent access is possible that late in object
532 static void osd_index_fini(struct osd_object *o)
534 struct iam_container *bag;
536 if (o->oo_dir != NULL) {
537 bag = &o->oo_dir->od_container;
538 if (o->oo_inode != NULL) {
539 if (bag->ic_object == o->oo_inode)
540 iam_container_fini(bag);
542 OBD_FREE_PTR(o->oo_dir);
548 * Concurrency: no concurrent access is possible that late in object
549 * life-cycle (for all existing callers, that is. New callers have to provide
550 * their own locking.)
552 static int osd_inode_unlinked(const struct inode *inode)
554 return inode->i_nlink == 0;
558 OSD_TXN_OI_DELETE_CREDITS = 20,
559 OSD_TXN_INODE_DELETE_CREDITS = 20
566 #if OSD_THANDLE_STATS
568 * Set time when the handle is allocated
570 static void osd_th_alloced(struct osd_thandle *oth)
572 oth->oth_alloced = cfs_time_current();
576 * Set time when the handle started
578 static void osd_th_started(struct osd_thandle *oth)
580 oth->oth_started = cfs_time_current();
584 * Helper function to convert time interval to microseconds packed in
587 static long interval_to_usec(cfs_time_t start, cfs_time_t end)
591 cfs_duration_usec(cfs_time_sub(end, start), &val);
592 return val.tv_sec * 1000000 + val.tv_usec;
596 * Check whether the we deal with this handle for too long.
598 static void __osd_th_check_slow(void *oth, struct osd_device *dev,
599 cfs_time_t alloced, cfs_time_t started,
602 cfs_time_t now = cfs_time_current();
604 LASSERT(dev != NULL);
606 lprocfs_counter_add(dev->od_stats, LPROC_OSD_THANDLE_STARTING,
607 interval_to_usec(alloced, started));
608 lprocfs_counter_add(dev->od_stats, LPROC_OSD_THANDLE_OPEN,
609 interval_to_usec(started, closed));
610 lprocfs_counter_add(dev->od_stats, LPROC_OSD_THANDLE_CLOSING,
611 interval_to_usec(closed, now));
613 if (cfs_time_before(cfs_time_add(alloced, cfs_time_seconds(30)), now)) {
614 CWARN("transaction handle %p was open for too long: "
616 "alloced "CFS_TIME_T" ,"
617 "started "CFS_TIME_T" ,"
618 "closed "CFS_TIME_T"\n",
619 oth, now, alloced, started, closed);
620 libcfs_debug_dumpstack(NULL);
624 #define OSD_CHECK_SLOW_TH(oth, dev, expr) \
626 cfs_time_t __closed = cfs_time_current(); \
627 cfs_time_t __alloced = oth->oth_alloced; \
628 cfs_time_t __started = oth->oth_started; \
631 __osd_th_check_slow(oth, dev, __alloced, __started, __closed); \
634 #else /* OSD_THANDLE_STATS */
636 #define osd_th_alloced(h) do {} while(0)
637 #define osd_th_started(h) do {} while(0)
638 #define OSD_CHECK_SLOW_TH(oth, dev, expr) expr
640 #endif /* OSD_THANDLE_STATS */
643 * Concurrency: doesn't access mutable data.
645 static int osd_param_is_not_sane(const struct osd_device *dev,
646 const struct thandle *th)
648 struct osd_thandle *oh = container_of(th, typeof(*oh), ot_super);
650 return oh->ot_credits > osd_journal(dev)->j_max_transaction_buffers;
654 * Concurrency: shouldn't matter.
656 static void osd_trans_commit_cb(struct super_block *sb,
657 struct ldiskfs_journal_cb_entry *jcb, int error)
659 struct osd_thandle *oh = container_of0(jcb, struct osd_thandle, ot_jcb);
660 struct thandle *th = &oh->ot_super;
661 struct lu_device *lud = &th->th_dev->dd_lu_dev;
662 struct dt_txn_commit_cb *dcb, *tmp;
664 LASSERT(oh->ot_handle == NULL);
667 CERROR("transaction @0x%p commit error: %d\n", th, error);
669 dt_txn_hook_commit(th);
671 /* call per-transaction callbacks if any */
672 cfs_list_for_each_entry_safe(dcb, tmp, &oh->ot_dcb_list, dcb_linkage) {
673 LASSERTF(dcb->dcb_magic == TRANS_COMMIT_CB_MAGIC,
674 "commit callback entry: magic=%x name='%s'\n",
675 dcb->dcb_magic, dcb->dcb_name);
676 cfs_list_del_init(&dcb->dcb_linkage);
677 dcb->dcb_func(NULL, th, dcb, error);
680 lu_ref_del_at(&lud->ld_reference, oh->ot_dev_link, "osd-tx", th);
684 lu_context_exit(&th->th_ctx);
685 lu_context_fini(&th->th_ctx);
689 static struct thandle *osd_trans_create(const struct lu_env *env,
692 struct osd_thread_info *oti = osd_oti_get(env);
693 struct osd_iobuf *iobuf = &oti->oti_iobuf;
694 struct osd_thandle *oh;
698 /* on pending IO in this thread should left from prev. request */
699 LASSERT(cfs_atomic_read(&iobuf->dr_numreqs) == 0);
701 th = ERR_PTR(-ENOMEM);
702 OBD_ALLOC_GFP(oh, sizeof *oh, CFS_ALLOC_IO);
704 oh->ot_quota_trans = &oti->oti_quota_trans;
705 memset(oh->ot_quota_trans, 0, sizeof(*oh->ot_quota_trans));
709 th->th_tags = LCT_TX_HANDLE;
711 oti->oti_dev = osd_dt_dev(d);
712 CFS_INIT_LIST_HEAD(&oh->ot_dcb_list);
715 #ifdef OSD_TRACK_DECLARES
716 memset(oti->oti_declare_ops, 0,
717 sizeof(oti->oti_declare_ops));
718 memset(oti->oti_declare_ops_rb, 0,
719 sizeof(oti->oti_declare_ops_rb));
720 memset(oti->oti_declare_ops_cred, 0,
721 sizeof(oti->oti_declare_ops_cred));
722 oti->oti_rollback = false;
729 * Concurrency: shouldn't matter.
731 int osd_trans_start(const struct lu_env *env, struct dt_device *d,
734 struct osd_thread_info *oti = osd_oti_get(env);
735 struct osd_device *dev = osd_dt_dev(d);
737 struct osd_thandle *oh;
742 LASSERT(current->journal_info == NULL);
744 oh = container_of0(th, struct osd_thandle, ot_super);
746 LASSERT(oh->ot_handle == NULL);
748 rc = dt_txn_hook_start(env, d, th);
752 if (unlikely(osd_param_is_not_sane(dev, th))) {
753 #ifdef OSD_TRACK_DECLARES
754 static unsigned long last_printed;
755 static int last_credits;
758 CWARN("%.16s: too many transaction credits (%d > %d)\n",
759 LDISKFS_SB(osd_sb(dev))->s_es->s_volume_name,
761 osd_journal(dev)->j_max_transaction_buffers);
762 #ifdef OSD_TRACK_DECLARES
763 CWARN(" create: %u/%u, delete: %u/%u, destroy: %u/%u\n",
764 oti->oti_declare_ops[OSD_OT_CREATE],
765 oti->oti_declare_ops_cred[OSD_OT_CREATE],
766 oti->oti_declare_ops[OSD_OT_DELETE],
767 oti->oti_declare_ops_cred[OSD_OT_DELETE],
768 oti->oti_declare_ops[OSD_OT_DESTROY],
769 oti->oti_declare_ops_cred[OSD_OT_DESTROY]);
770 CWARN(" attr_set: %u/%u, xattr_set: %u/%u\n",
771 oti->oti_declare_ops[OSD_OT_ATTR_SET],
772 oti->oti_declare_ops_cred[OSD_OT_ATTR_SET],
773 oti->oti_declare_ops[OSD_OT_XATTR_SET],
774 oti->oti_declare_ops_cred[OSD_OT_XATTR_SET]);
775 CWARN(" write: %u/%u, punch: %u/%u, quota %u/%u\n",
776 oti->oti_declare_ops[OSD_OT_WRITE],
777 oti->oti_declare_ops_cred[OSD_OT_WRITE],
778 oti->oti_declare_ops[OSD_OT_PUNCH],
779 oti->oti_declare_ops_cred[OSD_OT_PUNCH],
780 oti->oti_declare_ops[OSD_OT_QUOTA],
781 oti->oti_declare_ops_cred[OSD_OT_QUOTA]);
782 CWARN(" insert: %u/%u, delete: %u/%u\n",
783 oti->oti_declare_ops[OSD_OT_INSERT],
784 oti->oti_declare_ops_cred[OSD_OT_INSERT],
785 oti->oti_declare_ops[OSD_OT_DESTROY],
786 oti->oti_declare_ops_cred[OSD_OT_DESTROY]);
787 CWARN(" ref_add: %u/%u, ref_del: %u/%u\n",
788 oti->oti_declare_ops[OSD_OT_REF_ADD],
789 oti->oti_declare_ops_cred[OSD_OT_REF_ADD],
790 oti->oti_declare_ops[OSD_OT_REF_DEL],
791 oti->oti_declare_ops_cred[OSD_OT_REF_DEL]);
793 if (last_credits != oh->ot_credits &&
794 time_after(jiffies, last_printed + 60 * HZ)) {
795 libcfs_debug_dumpstack(NULL);
796 last_credits = oh->ot_credits;
797 last_printed = jiffies;
800 /* XXX Limit the credits to 'max_transaction_buffers', and
801 * let the underlying filesystem to catch the error if
802 * we really need so many credits.
804 * This should be removed when we can calculate the
805 * credits precisely. */
806 oh->ot_credits = osd_journal(dev)->j_max_transaction_buffers;
810 * XXX temporary stuff. Some abstraction layer should
813 jh = ldiskfs_journal_start_sb(osd_sb(dev), oh->ot_credits);
817 LASSERT(oti->oti_txns == 0);
818 lu_context_init(&th->th_ctx, th->th_tags);
819 lu_context_enter(&th->th_ctx);
821 lu_device_get(&d->dd_lu_dev);
822 oh->ot_dev_link = lu_ref_add(&d->dd_lu_dev.ld_reference,
834 * Concurrency: shouldn't matter.
836 static int osd_trans_stop(const struct lu_env *env, struct thandle *th)
839 struct osd_thandle *oh;
840 struct osd_thread_info *oti = osd_oti_get(env);
841 struct osd_iobuf *iobuf = &oti->oti_iobuf;
842 struct qsd_instance *qsd = oti->oti_dev->od_quota_slave;
845 oh = container_of0(th, struct osd_thandle, ot_super);
848 /* inform the quota slave device that the transaction is
850 qsd_op_end(env, qsd, oh->ot_quota_trans);
851 oh->ot_quota_trans = NULL;
853 if (oh->ot_handle != NULL) {
854 handle_t *hdl = oh->ot_handle;
857 * add commit callback
858 * notice we don't do this in osd_trans_start()
859 * as underlying transaction can change during truncate
861 ldiskfs_journal_callback_add(hdl, osd_trans_commit_cb,
864 LASSERT(oti->oti_txns == 1);
866 rc = dt_txn_hook_stop(env, th);
868 CERROR("Failure in transaction hook: %d\n", rc);
870 /* hook functions might modify th_sync */
871 hdl->h_sync = th->th_sync;
873 oh->ot_handle = NULL;
874 OSD_CHECK_SLOW_TH(oh, oti->oti_dev,
875 rc = ldiskfs_journal_stop(hdl));
877 CERROR("Failure to stop transaction: %d\n", rc);
882 /* as we want IO to journal and data IO be concurrent, we don't block
883 * awaiting data IO completion in osd_do_bio(), instead we wait here
884 * once transaction is submitted to the journal. all reqular requests
885 * don't do direct IO (except read/write), thus this wait_event becomes
888 * IMPORTANT: we have to wait till any IO submited by the thread is
889 * completed otherwise iobuf may be corrupted by different request
891 cfs_wait_event(iobuf->dr_wait,
892 cfs_atomic_read(&iobuf->dr_numreqs) == 0);
894 rc = iobuf->dr_error;
899 static int osd_trans_cb_add(struct thandle *th, struct dt_txn_commit_cb *dcb)
901 struct osd_thandle *oh = container_of0(th, struct osd_thandle,
904 LASSERT(dcb->dcb_magic == TRANS_COMMIT_CB_MAGIC);
905 LASSERT(&dcb->dcb_func != NULL);
906 cfs_list_add(&dcb->dcb_linkage, &oh->ot_dcb_list);
912 * Called just before object is freed. Releases all resources except for
913 * object itself (that is released by osd_object_free()).
915 * Concurrency: no concurrent access is possible that late in object
918 static void osd_object_delete(const struct lu_env *env, struct lu_object *l)
920 struct osd_object *obj = osd_obj(l);
921 struct inode *inode = obj->oo_inode;
923 LINVRNT(osd_invariant(obj));
926 * If object is unlinked remove fid->ino mapping from object index.
931 struct qsd_instance *qsd = osd_obj2dev(obj)->od_quota_slave;
932 qid_t uid = inode->i_uid;
933 qid_t gid = inode->i_gid;
936 obj->oo_inode = NULL;
939 struct osd_thread_info *info = osd_oti_get(env);
940 struct lquota_id_info *qi = &info->oti_qi;
942 /* Release granted quota to master if necessary */
943 qi->lqi_id.qid_uid = uid;
944 qsd_op_adjust(env, qsd, &qi->lqi_id, USRQUOTA);
946 qi->lqi_id.qid_uid = gid;
947 qsd_op_adjust(env, qsd, &qi->lqi_id, GRPQUOTA);
953 * Concurrency: ->loo_object_release() is called under site spin-lock.
955 static void osd_object_release(const struct lu_env *env,
961 * Concurrency: shouldn't matter.
963 static int osd_object_print(const struct lu_env *env, void *cookie,
964 lu_printer_t p, const struct lu_object *l)
966 struct osd_object *o = osd_obj(l);
969 if (o->oo_dir != NULL)
970 d = o->oo_dir->od_container.ic_descr;
973 return (*p)(env, cookie,
974 LUSTRE_OSD_LDISKFS_NAME"-object@%p(i:%p:%lu/%u)[%s]",
976 o->oo_inode ? o->oo_inode->i_ino : 0UL,
977 o->oo_inode ? o->oo_inode->i_generation : 0,
978 d ? d->id_ops->id_name : "plain");
982 * Concurrency: shouldn't matter.
984 int osd_statfs(const struct lu_env *env, struct dt_device *d,
985 struct obd_statfs *sfs)
987 struct osd_device *osd = osd_dt_dev(d);
988 struct super_block *sb = osd_sb(osd);
989 struct kstatfs *ksfs;
992 if (unlikely(osd->od_mnt == NULL))
995 /* osd_lproc.c call this without env, allocate ksfs for that case */
996 if (unlikely(env == NULL)) {
1001 ksfs = &osd_oti_get(env)->oti_ksfs;
1004 spin_lock(&osd->od_osfs_lock);
1005 /* cache 1 second */
1006 if (cfs_time_before_64(osd->od_osfs_age, cfs_time_shift_64(-1))) {
1007 result = sb->s_op->statfs(sb->s_root, ksfs);
1008 if (likely(result == 0)) { /* N.B. statfs can't really fail */
1009 osd->od_osfs_age = cfs_time_current_64();
1010 statfs_pack(&osd->od_statfs, ksfs);
1011 if (sb->s_flags & MS_RDONLY)
1012 sfs->os_state = OS_STATE_READONLY;
1016 if (likely(result == 0))
1017 *sfs = osd->od_statfs;
1018 spin_unlock(&osd->od_osfs_lock);
1020 if (unlikely(env == NULL))
1027 * Estimate space needed for file creations. We assume the largest filename
1028 * which is 2^64 - 1, hence a filename of 20 chars.
1029 * This is 28 bytes per object which is 28MB for 1M objects ... no so bad.
1031 #ifdef __LDISKFS_DIR_REC_LEN
1032 #define PER_OBJ_USAGE __LDISKFS_DIR_REC_LEN(20)
1034 #define PER_OBJ_USAGE LDISKFS_DIR_REC_LEN(20)
1038 * Concurrency: doesn't access mutable data.
1040 static void osd_conf_get(const struct lu_env *env,
1041 const struct dt_device *dev,
1042 struct dt_device_param *param)
1044 struct super_block *sb = osd_sb(osd_dt_dev(dev));
1047 * XXX should be taken from not-yet-existing fs abstraction layer.
1049 param->ddp_mnt = osd_dt_dev(dev)->od_mnt;
1050 param->ddp_max_name_len = LDISKFS_NAME_LEN;
1051 param->ddp_max_nlink = LDISKFS_LINK_MAX;
1052 param->ddp_block_shift = sb->s_blocksize_bits;
1053 param->ddp_mount_type = LDD_MT_LDISKFS;
1054 param->ddp_maxbytes = sb->s_maxbytes;
1055 /* Overhead estimate should be fairly accurate, so we really take a tiny
1056 * error margin which also avoids fragmenting the filesystem too much */
1057 param->ddp_grant_reserved = 2; /* end up to be 1.9% after conversion */
1058 /* inode are statically allocated, so per-inode space consumption
1059 * is the space consumed by the directory entry */
1060 param->ddp_inodespace = PER_OBJ_USAGE;
1061 /* per-fragment overhead to be used by the client code */
1062 param->ddp_grant_frag = 6 * LDISKFS_BLOCK_SIZE(sb);
1063 param->ddp_mntopts = 0;
1064 if (test_opt(sb, XATTR_USER))
1065 param->ddp_mntopts |= MNTOPT_USERXATTR;
1066 if (test_opt(sb, POSIX_ACL))
1067 param->ddp_mntopts |= MNTOPT_ACL;
1069 #if defined(LDISKFS_FEATURE_INCOMPAT_EA_INODE)
1070 if (LDISKFS_HAS_INCOMPAT_FEATURE(sb, LDISKFS_FEATURE_INCOMPAT_EA_INODE))
1071 param->ddp_max_ea_size = LDISKFS_XATTR_MAX_LARGE_EA_SIZE;
1074 param->ddp_max_ea_size = sb->s_blocksize;
1079 * Concurrency: shouldn't matter.
1081 static int osd_sync(const struct lu_env *env, struct dt_device *d)
1083 CDEBUG(D_HA, "syncing OSD %s\n", LUSTRE_OSD_LDISKFS_NAME);
1084 return ldiskfs_force_commit(osd_sb(osd_dt_dev(d)));
1088 * Start commit for OSD device.
1090 * An implementation of dt_commit_async method for OSD device.
1091 * Asychronously starts underlayng fs sync and thereby a transaction
1094 * \param env environment
1095 * \param d dt device
1097 * \see dt_device_operations
1099 static int osd_commit_async(const struct lu_env *env,
1100 struct dt_device *d)
1102 struct super_block *s = osd_sb(osd_dt_dev(d));
1105 CDEBUG(D_HA, "async commit OSD %s\n", LUSTRE_OSD_LDISKFS_NAME);
1106 RETURN(s->s_op->sync_fs(s, 0));
1110 * Concurrency: shouldn't matter.
1113 static int osd_ro(const struct lu_env *env, struct dt_device *d)
1115 struct super_block *sb = osd_sb(osd_dt_dev(d));
1116 struct block_device *dev = sb->s_bdev;
1117 #ifdef HAVE_DEV_SET_RDONLY
1118 struct block_device *jdev = LDISKFS_SB(sb)->journal_bdev;
1121 int rc = -EOPNOTSUPP;
1125 #ifdef HAVE_DEV_SET_RDONLY
1126 CERROR("*** setting %s read-only ***\n", osd_dt_dev(d)->od_svname);
1128 if (jdev && (jdev != dev)) {
1129 CDEBUG(D_IOCTL | D_HA, "set journal dev %lx rdonly\n",
1131 dev_set_rdonly(jdev);
1133 CDEBUG(D_IOCTL | D_HA, "set dev %lx rdonly\n", (long)dev);
1134 dev_set_rdonly(dev);
1136 CERROR("%s: %lx CANNOT BE SET READONLY: rc = %d\n",
1137 osd_dt_dev(d)->od_svname, (long)dev, rc);
1143 * Concurrency: serialization provided by callers.
1145 static int osd_init_capa_ctxt(const struct lu_env *env, struct dt_device *d,
1146 int mode, unsigned long timeout, __u32 alg,
1147 struct lustre_capa_key *keys)
1149 struct osd_device *dev = osd_dt_dev(d);
1152 dev->od_fl_capa = mode;
1153 dev->od_capa_timeout = timeout;
1154 dev->od_capa_alg = alg;
1155 dev->od_capa_keys = keys;
1160 * Note: we do not count into QUOTA here.
1161 * If we mount with --data_journal we may need more.
1163 const int osd_dto_credits_noquota[DTO_NR] = {
1166 * INDEX_EXTRA_TRANS_BLOCKS(8) +
1167 * SINGLEDATA_TRANS_BLOCKS(8)
1168 * XXX Note: maybe iam need more, since iam have more level than
1171 [DTO_INDEX_INSERT] = 16,
1172 [DTO_INDEX_DELETE] = 16,
1176 [DTO_INDEX_UPDATE] = 16,
1178 * Create a object. The same as create object in EXT3.
1179 * DATA_TRANS_BLOCKS(14) +
1180 * INDEX_EXTRA_BLOCKS(8) +
1181 * 3(inode bits, groups, GDT)
1183 [DTO_OBJECT_CREATE] = 25,
1185 * XXX: real credits to be fixed
1187 [DTO_OBJECT_DELETE] = 25,
1189 * Attr set credits (inode)
1191 [DTO_ATTR_SET_BASE] = 1,
1193 * Xattr set. The same as xattr of EXT3.
1194 * DATA_TRANS_BLOCKS(14)
1195 * XXX Note: in original MDS implmentation INDEX_EXTRA_TRANS_BLOCKS
1196 * are also counted in. Do not know why?
1198 [DTO_XATTR_SET] = 14,
1201 * credits for inode change during write.
1203 [DTO_WRITE_BASE] = 3,
1205 * credits for single block write.
1207 [DTO_WRITE_BLOCK] = 14,
1209 * Attr set credits for chown.
1210 * This is extra credits for setattr, and it is null without quota
1212 [DTO_ATTR_SET_CHOWN]= 0
1215 static const struct dt_device_operations osd_dt_ops = {
1216 .dt_root_get = osd_root_get,
1217 .dt_statfs = osd_statfs,
1218 .dt_trans_create = osd_trans_create,
1219 .dt_trans_start = osd_trans_start,
1220 .dt_trans_stop = osd_trans_stop,
1221 .dt_trans_cb_add = osd_trans_cb_add,
1222 .dt_conf_get = osd_conf_get,
1223 .dt_sync = osd_sync,
1225 .dt_commit_async = osd_commit_async,
1226 .dt_init_capa_ctxt = osd_init_capa_ctxt,
1229 static void osd_object_read_lock(const struct lu_env *env,
1230 struct dt_object *dt, unsigned role)
1232 struct osd_object *obj = osd_dt_obj(dt);
1233 struct osd_thread_info *oti = osd_oti_get(env);
1235 LINVRNT(osd_invariant(obj));
1237 LASSERT(obj->oo_owner != env);
1238 down_read_nested(&obj->oo_sem, role);
1240 LASSERT(obj->oo_owner == NULL);
1244 static void osd_object_write_lock(const struct lu_env *env,
1245 struct dt_object *dt, unsigned role)
1247 struct osd_object *obj = osd_dt_obj(dt);
1248 struct osd_thread_info *oti = osd_oti_get(env);
1250 LINVRNT(osd_invariant(obj));
1252 LASSERT(obj->oo_owner != env);
1253 down_write_nested(&obj->oo_sem, role);
1255 LASSERT(obj->oo_owner == NULL);
1256 obj->oo_owner = env;
1260 static void osd_object_read_unlock(const struct lu_env *env,
1261 struct dt_object *dt)
1263 struct osd_object *obj = osd_dt_obj(dt);
1264 struct osd_thread_info *oti = osd_oti_get(env);
1266 LINVRNT(osd_invariant(obj));
1268 LASSERT(oti->oti_r_locks > 0);
1270 up_read(&obj->oo_sem);
1273 static void osd_object_write_unlock(const struct lu_env *env,
1274 struct dt_object *dt)
1276 struct osd_object *obj = osd_dt_obj(dt);
1277 struct osd_thread_info *oti = osd_oti_get(env);
1279 LINVRNT(osd_invariant(obj));
1281 LASSERT(obj->oo_owner == env);
1282 LASSERT(oti->oti_w_locks > 0);
1284 obj->oo_owner = NULL;
1285 up_write(&obj->oo_sem);
1288 static int osd_object_write_locked(const struct lu_env *env,
1289 struct dt_object *dt)
1291 struct osd_object *obj = osd_dt_obj(dt);
1293 LINVRNT(osd_invariant(obj));
1295 return obj->oo_owner == env;
1298 static int capa_is_sane(const struct lu_env *env,
1299 struct osd_device *dev,
1300 struct lustre_capa *capa,
1301 struct lustre_capa_key *keys)
1303 struct osd_thread_info *oti = osd_oti_get(env);
1304 struct lustre_capa *tcapa = &oti->oti_capa;
1305 struct obd_capa *oc;
1309 oc = capa_lookup(dev->od_capa_hash, capa, 0);
1311 if (capa_is_expired(oc)) {
1312 DEBUG_CAPA(D_ERROR, capa, "expired");
1319 if (capa_is_expired_sec(capa)) {
1320 DEBUG_CAPA(D_ERROR, capa, "expired");
1324 spin_lock(&capa_lock);
1325 for (i = 0; i < 2; i++) {
1326 if (keys[i].lk_keyid == capa->lc_keyid) {
1327 oti->oti_capa_key = keys[i];
1331 spin_unlock(&capa_lock);
1334 DEBUG_CAPA(D_ERROR, capa, "no matched capa key");
1338 rc = capa_hmac(tcapa->lc_hmac, capa, oti->oti_capa_key.lk_key);
1342 if (memcmp(tcapa->lc_hmac, capa->lc_hmac, sizeof(capa->lc_hmac))) {
1343 DEBUG_CAPA(D_ERROR, capa, "HMAC mismatch");
1347 oc = capa_add(dev->od_capa_hash, capa);
1353 int osd_object_auth(const struct lu_env *env, struct dt_object *dt,
1354 struct lustre_capa *capa, __u64 opc)
1356 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
1357 struct osd_device *dev = osd_dev(dt->do_lu.lo_dev);
1358 struct md_capainfo *ci;
1361 if (!dev->od_fl_capa)
1364 if (capa == BYPASS_CAPA)
1367 ci = md_capainfo(env);
1371 if (ci->mc_auth == LC_ID_NONE)
1375 CERROR("no capability is provided for fid "DFID"\n", PFID(fid));
1379 if (!lu_fid_eq(fid, &capa->lc_fid)) {
1380 DEBUG_CAPA(D_ERROR, capa, "fid "DFID" mismatch with",
1385 if (!capa_opc_supported(capa, opc)) {
1386 DEBUG_CAPA(D_ERROR, capa, "opc "LPX64" not supported by", opc);
1390 if ((rc = capa_is_sane(env, dev, capa, dev->od_capa_keys))) {
1391 DEBUG_CAPA(D_ERROR, capa, "insane (rc %d)", rc);
1398 static struct timespec *osd_inode_time(const struct lu_env *env,
1399 struct inode *inode, __u64 seconds)
1401 struct osd_thread_info *oti = osd_oti_get(env);
1402 struct timespec *t = &oti->oti_time;
1404 t->tv_sec = seconds;
1406 *t = timespec_trunc(*t, inode->i_sb->s_time_gran);
1411 static void osd_inode_getattr(const struct lu_env *env,
1412 struct inode *inode, struct lu_attr *attr)
1414 attr->la_valid |= LA_ATIME | LA_MTIME | LA_CTIME | LA_MODE |
1415 LA_SIZE | LA_BLOCKS | LA_UID | LA_GID |
1416 LA_FLAGS | LA_NLINK | LA_RDEV | LA_BLKSIZE |
1419 attr->la_atime = LTIME_S(inode->i_atime);
1420 attr->la_mtime = LTIME_S(inode->i_mtime);
1421 attr->la_ctime = LTIME_S(inode->i_ctime);
1422 attr->la_mode = inode->i_mode;
1423 attr->la_size = i_size_read(inode);
1424 attr->la_blocks = inode->i_blocks;
1425 attr->la_uid = inode->i_uid;
1426 attr->la_gid = inode->i_gid;
1427 attr->la_flags = LDISKFS_I(inode)->i_flags;
1428 attr->la_nlink = inode->i_nlink;
1429 attr->la_rdev = inode->i_rdev;
1430 attr->la_blksize = 1 << inode->i_blkbits;
1431 attr->la_blkbits = inode->i_blkbits;
1434 static int osd_attr_get(const struct lu_env *env,
1435 struct dt_object *dt,
1436 struct lu_attr *attr,
1437 struct lustre_capa *capa)
1439 struct osd_object *obj = osd_dt_obj(dt);
1441 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
1442 LINVRNT(osd_invariant(obj));
1444 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_READ))
1447 spin_lock(&obj->oo_guard);
1448 osd_inode_getattr(env, obj->oo_inode, attr);
1449 spin_unlock(&obj->oo_guard);
1453 static int osd_declare_attr_set(const struct lu_env *env,
1454 struct dt_object *dt,
1455 const struct lu_attr *attr,
1456 struct thandle *handle)
1458 struct osd_thandle *oh;
1459 struct osd_object *obj;
1460 struct osd_thread_info *info = osd_oti_get(env);
1461 struct lquota_id_info *qi = &info->oti_qi;
1467 LASSERT(dt != NULL);
1468 LASSERT(handle != NULL);
1470 obj = osd_dt_obj(dt);
1471 LASSERT(osd_invariant(obj));
1473 oh = container_of0(handle, struct osd_thandle, ot_super);
1474 LASSERT(oh->ot_handle == NULL);
1476 osd_trans_declare_op(env, oh, OSD_OT_ATTR_SET,
1477 osd_dto_credits_noquota[DTO_ATTR_SET_BASE]);
1479 if (attr == NULL || obj->oo_inode == NULL)
1482 bspace = obj->oo_inode->i_blocks;
1483 bspace <<= obj->oo_inode->i_sb->s_blocksize_bits;
1484 bspace = toqb(bspace);
1486 /* Changing ownership is always preformed by super user, it should not
1489 * We still need to call the osd_declare_qid() to calculate the journal
1490 * credits for updating quota accounting files and to trigger quota
1491 * space adjustment once the operation is completed.*/
1492 if ((attr->la_valid & LA_UID) != 0 &&
1493 attr->la_uid != obj->oo_inode->i_uid) {
1494 qi->lqi_type = USRQUOTA;
1496 /* inode accounting */
1497 qi->lqi_is_blk = false;
1499 /* one more inode for the new owner ... */
1500 qi->lqi_id.qid_uid = attr->la_uid;
1502 allocated = (attr->la_uid == 0) ? true : false;
1503 rc = osd_declare_qid(env, oh, qi, allocated, NULL);
1504 if (rc == -EDQUOT || rc == -EINPROGRESS)
1509 /* and one less inode for the current uid */
1510 qi->lqi_id.qid_uid = obj->oo_inode->i_uid;
1512 rc = osd_declare_qid(env, oh, qi, true, NULL);
1513 if (rc == -EDQUOT || rc == -EINPROGRESS)
1518 /* block accounting */
1519 qi->lqi_is_blk = true;
1521 /* more blocks for the new owner ... */
1522 qi->lqi_id.qid_uid = attr->la_uid;
1523 qi->lqi_space = bspace;
1524 allocated = (attr->la_uid == 0) ? true : false;
1525 rc = osd_declare_qid(env, oh, qi, allocated, NULL);
1526 if (rc == -EDQUOT || rc == -EINPROGRESS)
1531 /* and finally less blocks for the current owner */
1532 qi->lqi_id.qid_uid = obj->oo_inode->i_uid;
1533 qi->lqi_space = -bspace;
1534 rc = osd_declare_qid(env, oh, qi, true, NULL);
1535 if (rc == -EDQUOT || rc == -EINPROGRESS)
1541 if (attr->la_valid & LA_GID &&
1542 attr->la_gid != obj->oo_inode->i_gid) {
1543 qi->lqi_type = GRPQUOTA;
1545 /* inode accounting */
1546 qi->lqi_is_blk = false;
1548 /* one more inode for the new group owner ... */
1549 qi->lqi_id.qid_gid = attr->la_gid;
1551 allocated = (attr->la_gid == 0) ? true : false;
1552 rc = osd_declare_qid(env, oh, qi, allocated, NULL);
1553 if (rc == -EDQUOT || rc == -EINPROGRESS)
1558 /* and one less inode for the current gid */
1559 qi->lqi_id.qid_gid = obj->oo_inode->i_gid;
1561 rc = osd_declare_qid(env, oh, qi, true, NULL);
1562 if (rc == -EDQUOT || rc == -EINPROGRESS)
1567 /* block accounting */
1568 qi->lqi_is_blk = true;
1570 /* more blocks for the new owner ... */
1571 qi->lqi_id.qid_gid = attr->la_gid;
1572 qi->lqi_space = bspace;
1573 allocated = (attr->la_gid == 0) ? true : false;
1574 rc = osd_declare_qid(env, oh, qi, allocated, NULL);
1575 if (rc == -EDQUOT || rc == -EINPROGRESS)
1580 /* and finally less blocks for the current owner */
1581 qi->lqi_id.qid_gid = obj->oo_inode->i_gid;
1582 qi->lqi_space = -bspace;
1583 rc = osd_declare_qid(env, oh, qi, true, NULL);
1584 if (rc == -EDQUOT || rc == -EINPROGRESS)
1593 static int osd_inode_setattr(const struct lu_env *env,
1594 struct inode *inode, const struct lu_attr *attr)
1598 bits = attr->la_valid;
1600 if (bits & LA_ATIME)
1601 inode->i_atime = *osd_inode_time(env, inode, attr->la_atime);
1602 if (bits & LA_CTIME)
1603 inode->i_ctime = *osd_inode_time(env, inode, attr->la_ctime);
1604 if (bits & LA_MTIME)
1605 inode->i_mtime = *osd_inode_time(env, inode, attr->la_mtime);
1606 if (bits & LA_SIZE) {
1607 LDISKFS_I(inode)->i_disksize = attr->la_size;
1608 i_size_write(inode, attr->la_size);
1612 /* OSD should not change "i_blocks" which is used by quota.
1613 * "i_blocks" should be changed by ldiskfs only. */
1614 if (bits & LA_BLOCKS)
1615 inode->i_blocks = attr->la_blocks;
1618 inode->i_mode = (inode->i_mode & S_IFMT) |
1619 (attr->la_mode & ~S_IFMT);
1621 inode->i_uid = attr->la_uid;
1623 inode->i_gid = attr->la_gid;
1624 if (bits & LA_NLINK)
1625 set_nlink(inode, attr->la_nlink);
1627 inode->i_rdev = attr->la_rdev;
1629 if (bits & LA_FLAGS) {
1630 /* always keep S_NOCMTIME */
1631 inode->i_flags = ll_ext_to_inode_flags(attr->la_flags) |
1637 static int osd_quota_transfer(struct inode *inode, const struct lu_attr *attr)
1639 if ((attr->la_valid & LA_UID && attr->la_uid != inode->i_uid) ||
1640 (attr->la_valid & LA_GID && attr->la_gid != inode->i_gid)) {
1645 if (attr->la_valid & LA_UID)
1646 iattr.ia_valid |= ATTR_UID;
1647 if (attr->la_valid & LA_GID)
1648 iattr.ia_valid |= ATTR_GID;
1649 iattr.ia_uid = attr->la_uid;
1650 iattr.ia_gid = attr->la_gid;
1652 rc = ll_vfs_dq_transfer(inode, &iattr);
1654 CERROR("%s: quota transfer failed: rc = %d. Is quota "
1655 "enforcement enabled on the ldiskfs filesystem?",
1656 inode->i_sb->s_id, rc);
1663 static int osd_attr_set(const struct lu_env *env,
1664 struct dt_object *dt,
1665 const struct lu_attr *attr,
1666 struct thandle *handle,
1667 struct lustre_capa *capa)
1669 struct osd_object *obj = osd_dt_obj(dt);
1670 struct inode *inode;
1673 LASSERT(handle != NULL);
1674 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
1675 LASSERT(osd_invariant(obj));
1677 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_WRITE))
1680 osd_trans_exec_op(env, handle, OSD_OT_ATTR_SET);
1682 if (OBD_FAIL_CHECK(OBD_FAIL_OSD_FID_MAPPING)) {
1683 struct osd_thread_info *oti = osd_oti_get(env);
1684 const struct lu_fid *fid0 = lu_object_fid(&dt->do_lu);
1685 struct lu_fid *fid1 = &oti->oti_fid;
1686 struct osd_inode_id *id = &oti->oti_id;
1687 struct iam_path_descr *ipd;
1688 struct iam_container *bag;
1689 struct osd_thandle *oh;
1692 fid_cpu_to_be(fid1, fid0);
1693 memset(id, 1, sizeof(*id));
1694 bag = &osd_fid2oi(osd_dev(dt->do_lu.lo_dev),
1695 fid0)->oi_dir.od_container;
1696 ipd = osd_idx_ipd_get(env, bag);
1697 if (unlikely(ipd == NULL))
1700 oh = container_of0(handle, struct osd_thandle, ot_super);
1701 rc = iam_update(oh->ot_handle, bag, (const struct iam_key *)fid1,
1702 (const struct iam_rec *)id, ipd);
1703 osd_ipd_put(env, bag, ipd);
1704 return(rc > 0 ? 0 : rc);
1707 inode = obj->oo_inode;
1708 ll_vfs_dq_init(inode);
1710 rc = osd_quota_transfer(inode, attr);
1714 spin_lock(&obj->oo_guard);
1715 rc = osd_inode_setattr(env, inode, attr);
1716 spin_unlock(&obj->oo_guard);
1719 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
1723 struct dentry *osd_child_dentry_get(const struct lu_env *env,
1724 struct osd_object *obj,
1725 const char *name, const int namelen)
1727 return osd_child_dentry_by_inode(env, obj->oo_inode, name, namelen);
1730 static int osd_mkfile(struct osd_thread_info *info, struct osd_object *obj,
1732 struct dt_allocation_hint *hint,
1736 struct osd_device *osd = osd_obj2dev(obj);
1737 struct osd_thandle *oth;
1738 struct dt_object *parent = NULL;
1739 struct inode *inode;
1741 LINVRNT(osd_invariant(obj));
1742 LASSERT(obj->oo_inode == NULL);
1743 LASSERT(obj->oo_hl_head == NULL);
1745 if (S_ISDIR(mode) && ldiskfs_pdo) {
1746 obj->oo_hl_head =ldiskfs_htree_lock_head_alloc(HTREE_HBITS_DEF);
1747 if (obj->oo_hl_head == NULL)
1751 oth = container_of(th, struct osd_thandle, ot_super);
1752 LASSERT(oth->ot_handle->h_transaction != NULL);
1754 if (hint && hint->dah_parent)
1755 parent = hint->dah_parent;
1757 inode = ldiskfs_create_inode(oth->ot_handle,
1758 parent ? osd_dt_obj(parent)->oo_inode :
1759 osd_sb(osd)->s_root->d_inode,
1761 if (!IS_ERR(inode)) {
1762 /* Do not update file c/mtime in ldiskfs.
1763 * NB: don't need any lock because no contention at this
1765 inode->i_flags |= S_NOCMTIME;
1767 /* For new created object, it must be consistent,
1768 * and it is unnecessary to scrub against it. */
1769 ldiskfs_set_inode_state(inode, LDISKFS_STATE_LUSTRE_NOSCRUB);
1770 obj->oo_inode = inode;
1773 if (obj->oo_hl_head != NULL) {
1774 ldiskfs_htree_lock_head_free(obj->oo_hl_head);
1775 obj->oo_hl_head = NULL;
1777 result = PTR_ERR(inode);
1779 LINVRNT(osd_invariant(obj));
1787 static int osd_mkdir(struct osd_thread_info *info, struct osd_object *obj,
1788 struct lu_attr *attr,
1789 struct dt_allocation_hint *hint,
1790 struct dt_object_format *dof,
1794 struct osd_thandle *oth;
1795 __u32 mode = (attr->la_mode & (S_IFMT | S_IRWXUGO | S_ISVTX));
1797 LASSERT(S_ISDIR(attr->la_mode));
1799 oth = container_of(th, struct osd_thandle, ot_super);
1800 LASSERT(oth->ot_handle->h_transaction != NULL);
1801 result = osd_mkfile(info, obj, mode, hint, th);
1806 static int osd_mk_index(struct osd_thread_info *info, struct osd_object *obj,
1807 struct lu_attr *attr,
1808 struct dt_allocation_hint *hint,
1809 struct dt_object_format *dof,
1813 struct osd_thandle *oth;
1814 const struct dt_index_features *feat = dof->u.dof_idx.di_feat;
1816 __u32 mode = (attr->la_mode & (S_IFMT | S_IALLUGO | S_ISVTX));
1818 LASSERT(S_ISREG(attr->la_mode));
1820 oth = container_of(th, struct osd_thandle, ot_super);
1821 LASSERT(oth->ot_handle->h_transaction != NULL);
1823 result = osd_mkfile(info, obj, mode, hint, th);
1825 LASSERT(obj->oo_inode != NULL);
1826 if (feat->dif_flags & DT_IND_VARKEY)
1827 result = iam_lvar_create(obj->oo_inode,
1828 feat->dif_keysize_max,
1830 feat->dif_recsize_max,
1833 result = iam_lfix_create(obj->oo_inode,
1834 feat->dif_keysize_max,
1836 feat->dif_recsize_max,
1843 static int osd_mkreg(struct osd_thread_info *info, struct osd_object *obj,
1844 struct lu_attr *attr,
1845 struct dt_allocation_hint *hint,
1846 struct dt_object_format *dof,
1849 LASSERT(S_ISREG(attr->la_mode));
1850 return osd_mkfile(info, obj, (attr->la_mode &
1851 (S_IFMT | S_IALLUGO | S_ISVTX)), hint, th);
1854 static int osd_mksym(struct osd_thread_info *info, struct osd_object *obj,
1855 struct lu_attr *attr,
1856 struct dt_allocation_hint *hint,
1857 struct dt_object_format *dof,
1860 LASSERT(S_ISLNK(attr->la_mode));
1861 return osd_mkfile(info, obj, (attr->la_mode &
1862 (S_IFMT | S_IALLUGO | S_ISVTX)), hint, th);
1865 static int osd_mknod(struct osd_thread_info *info, struct osd_object *obj,
1866 struct lu_attr *attr,
1867 struct dt_allocation_hint *hint,
1868 struct dt_object_format *dof,
1871 cfs_umode_t mode = attr->la_mode & (S_IFMT | S_IALLUGO | S_ISVTX);
1874 LINVRNT(osd_invariant(obj));
1875 LASSERT(obj->oo_inode == NULL);
1876 LASSERT(S_ISCHR(mode) || S_ISBLK(mode) ||
1877 S_ISFIFO(mode) || S_ISSOCK(mode));
1879 result = osd_mkfile(info, obj, mode, hint, th);
1881 LASSERT(obj->oo_inode != NULL);
1883 * This inode should be marked dirty for i_rdev. Currently
1884 * that is done in the osd_attr_init().
1886 init_special_inode(obj->oo_inode, obj->oo_inode->i_mode,
1889 LINVRNT(osd_invariant(obj));
1893 typedef int (*osd_obj_type_f)(struct osd_thread_info *, struct osd_object *,
1895 struct dt_allocation_hint *hint,
1896 struct dt_object_format *dof,
1899 static osd_obj_type_f osd_create_type_f(enum dt_format_type type)
1901 osd_obj_type_f result;
1917 result = osd_mk_index;
1928 static void osd_ah_init(const struct lu_env *env, struct dt_allocation_hint *ah,
1929 struct dt_object *parent, struct dt_object *child,
1930 cfs_umode_t child_mode)
1934 memset(ah, 0, sizeof(*ah));
1935 ah->dah_parent = parent;
1936 ah->dah_mode = child_mode;
1939 static void osd_attr_init(struct osd_thread_info *info, struct osd_object *obj,
1940 struct lu_attr *attr, struct dt_object_format *dof)
1942 struct inode *inode = obj->oo_inode;
1943 __u64 valid = attr->la_valid;
1946 attr->la_valid &= ~(LA_TYPE | LA_MODE);
1948 if (dof->dof_type != DFT_NODE)
1949 attr->la_valid &= ~LA_RDEV;
1950 if ((valid & LA_ATIME) && (attr->la_atime == LTIME_S(inode->i_atime)))
1951 attr->la_valid &= ~LA_ATIME;
1952 if ((valid & LA_CTIME) && (attr->la_ctime == LTIME_S(inode->i_ctime)))
1953 attr->la_valid &= ~LA_CTIME;
1954 if ((valid & LA_MTIME) && (attr->la_mtime == LTIME_S(inode->i_mtime)))
1955 attr->la_valid &= ~LA_MTIME;
1957 result = osd_quota_transfer(inode, attr);
1961 if (attr->la_valid != 0) {
1962 result = osd_inode_setattr(info->oti_env, inode, attr);
1964 * The osd_inode_setattr() should always succeed here. The
1965 * only error that could be returned is EDQUOT when we are
1966 * trying to change the UID or GID of the inode. However, this
1967 * should not happen since quota enforcement is no longer
1968 * enabled on ldiskfs (lquota takes care of it).
1970 LASSERTF(result == 0, "%d", result);
1971 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
1974 attr->la_valid = valid;
1978 * Helper function for osd_object_create()
1980 * \retval 0, on success
1982 static int __osd_object_create(struct osd_thread_info *info,
1983 struct osd_object *obj, struct lu_attr *attr,
1984 struct dt_allocation_hint *hint,
1985 struct dt_object_format *dof,
1991 /* we drop umask so that permissions we pass are not affected */
1992 umask = current->fs->umask;
1993 current->fs->umask = 0;
1995 result = osd_create_type_f(dof->dof_type)(info, obj, attr, hint, dof,
1998 osd_attr_init(info, obj, attr, dof);
1999 osd_object_init0(obj);
2001 if (obj->oo_inode && (obj->oo_inode->i_state & I_NEW))
2002 unlock_new_inode(obj->oo_inode);
2005 /* restore previous umask value */
2006 current->fs->umask = umask;
2012 * Helper function for osd_object_create()
2014 * \retval 0, on success
2016 static int __osd_oi_insert(const struct lu_env *env, struct osd_object *obj,
2017 const struct lu_fid *fid, struct thandle *th)
2019 struct osd_thread_info *info = osd_oti_get(env);
2020 struct osd_inode_id *id = &info->oti_id;
2021 struct osd_device *osd = osd_obj2dev(obj);
2023 LASSERT(obj->oo_inode != NULL);
2025 osd_id_gen(id, obj->oo_inode->i_ino, obj->oo_inode->i_generation);
2026 return osd_oi_insert(info, osd, fid, id, th);
2029 int osd_fld_lookup(const struct lu_env *env, struct osd_device *osd,
2030 const struct lu_fid *fid, struct lu_seq_range *range)
2032 struct seq_server_site *ss = osd_seq_site(osd);
2035 if (fid_is_idif(fid)) {
2036 fld_range_set_ost(range);
2037 range->lsr_index = fid_idif_ost_idx(fid);
2041 if (!fid_seq_in_fldb(fid_seq(fid))) {
2042 fld_range_set_mdt(range);
2044 /* FIXME: If ss is NULL, it suppose not get lsr_index
2046 range->lsr_index = ss->ss_node_id;
2050 LASSERT(ss != NULL);
2051 fld_range_set_any(range);
2052 rc = fld_server_lookup(env, ss->ss_server_fld, fid_seq(fid), range);
2054 CERROR("%s: cannot find FLD range for "DFID": rc = %d\n",
2055 osd_name(osd), PFID(fid), rc);
2061 * Concurrency: no external locking is necessary.
2063 static int osd_declare_object_create(const struct lu_env *env,
2064 struct dt_object *dt,
2065 struct lu_attr *attr,
2066 struct dt_allocation_hint *hint,
2067 struct dt_object_format *dof,
2068 struct thandle *handle)
2070 struct lu_seq_range *range = &osd_oti_get(env)->oti_seq_range;
2071 struct osd_thandle *oh;
2075 LASSERT(handle != NULL);
2077 oh = container_of0(handle, struct osd_thandle, ot_super);
2078 LASSERT(oh->ot_handle == NULL);
2080 osd_trans_declare_op(env, oh, OSD_OT_CREATE,
2081 osd_dto_credits_noquota[DTO_OBJECT_CREATE]);
2082 if (!fid_is_on_ost(osd_oti_get(env), osd_dt_dev(handle->th_dev),
2083 lu_object_fid(&dt->do_lu)))
2084 /* Reuse idle OI block may cause additional one OI block
2086 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
2087 osd_dto_credits_noquota[DTO_INDEX_INSERT] + 1);
2089 /* If this is directory, then we expect . and .. to be inserted as
2090 * well. The one directory block always needs to be created for the
2091 * directory, so we could use DTO_WRITE_BASE here (GDT, block bitmap,
2092 * block), there is no danger of needing a tree for the first block.
2094 if (attr && S_ISDIR(attr->la_mode)) {
2095 osd_trans_declare_op(env, oh, OSD_OT_INSERT,
2096 osd_dto_credits_noquota[DTO_WRITE_BASE]);
2097 osd_trans_declare_op(env, oh, OSD_OT_INSERT, 0);
2103 rc = osd_declare_inode_qid(env, attr->la_uid, attr->la_gid, 1, oh,
2104 false, false, NULL, false);
2108 /* It does fld look up inside declare, and the result will be
2109 * added to fld cache, so the following fld lookup inside insert
2110 * does not need send RPC anymore, so avoid send rpc with holding
2112 if (fid_is_norm(lu_object_fid(&dt->do_lu)) &&
2113 !fid_is_last_id(lu_object_fid(&dt->do_lu)))
2114 osd_fld_lookup(env, osd_dt_dev(handle->th_dev),
2115 lu_object_fid(&dt->do_lu), range);
2121 static int osd_object_create(const struct lu_env *env, struct dt_object *dt,
2122 struct lu_attr *attr,
2123 struct dt_allocation_hint *hint,
2124 struct dt_object_format *dof,
2127 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
2128 struct osd_object *obj = osd_dt_obj(dt);
2129 struct osd_thread_info *info = osd_oti_get(env);
2134 LINVRNT(osd_invariant(obj));
2135 LASSERT(!dt_object_exists(dt) && !dt_object_remote(dt));
2136 LASSERT(osd_write_locked(env, obj));
2137 LASSERT(th != NULL);
2139 if (unlikely(fid_is_acct(fid)))
2140 /* Quota files can't be created from the kernel any more,
2141 * 'tune2fs -O quota' will take care of creating them */
2144 osd_trans_exec_op(env, th, OSD_OT_CREATE);
2145 osd_trans_declare_rb(env, th, OSD_OT_REF_ADD);
2147 result = __osd_object_create(info, obj, attr, hint, dof, th);
2149 result = __osd_oi_insert(env, obj, fid, th);
2151 LASSERT(ergo(result == 0,
2152 dt_object_exists(dt) && !dt_object_remote(dt)));
2154 LASSERT(osd_invariant(obj));
2159 * Called to destroy on-disk representation of the object
2161 * Concurrency: must be locked
2163 static int osd_declare_object_destroy(const struct lu_env *env,
2164 struct dt_object *dt,
2167 struct osd_object *obj = osd_dt_obj(dt);
2168 struct inode *inode = obj->oo_inode;
2169 struct osd_thandle *oh;
2173 oh = container_of0(th, struct osd_thandle, ot_super);
2174 LASSERT(oh->ot_handle == NULL);
2177 osd_trans_declare_op(env, oh, OSD_OT_DESTROY,
2178 osd_dto_credits_noquota[DTO_OBJECT_DELETE]);
2179 /* Recycle idle OI leaf may cause additional three OI blocks
2181 osd_trans_declare_op(env, oh, OSD_OT_DELETE,
2182 osd_dto_credits_noquota[DTO_INDEX_DELETE] + 3);
2183 /* one less inode */
2184 rc = osd_declare_inode_qid(env, inode->i_uid, inode->i_gid, -1, oh,
2185 false, true, NULL, false);
2188 /* data to be truncated */
2189 rc = osd_declare_inode_qid(env, inode->i_uid, inode->i_gid, 0, oh,
2190 true, true, NULL, false);
2194 static int osd_object_destroy(const struct lu_env *env,
2195 struct dt_object *dt,
2198 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
2199 struct osd_object *obj = osd_dt_obj(dt);
2200 struct inode *inode = obj->oo_inode;
2201 struct osd_device *osd = osd_obj2dev(obj);
2202 struct osd_thandle *oh;
2206 oh = container_of0(th, struct osd_thandle, ot_super);
2207 LASSERT(oh->ot_handle);
2209 LASSERT(!lu_object_is_dying(dt->do_lu.lo_header));
2211 if (unlikely(fid_is_acct(fid)))
2214 /* Parallel control for OI scrub. For most of cases, there is no
2215 * lock contention. So it will not affect unlink performance. */
2216 mutex_lock(&inode->i_mutex);
2217 if (S_ISDIR(inode->i_mode)) {
2218 LASSERT(osd_inode_unlinked(inode) || inode->i_nlink == 1);
2219 /* it will check/delete the inode from remote parent,
2220 * how to optimize it? unlink performance impaction XXX */
2221 result = osd_delete_from_remote_parent(env, osd, obj, oh);
2222 if (result != 0 && result != -ENOENT) {
2223 CERROR("%s: delete inode "DFID": rc = %d\n",
2224 osd_name(osd), PFID(fid), result);
2226 spin_lock(&obj->oo_guard);
2228 spin_unlock(&obj->oo_guard);
2229 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2232 osd_trans_exec_op(env, th, OSD_OT_DESTROY);
2234 result = osd_oi_delete(osd_oti_get(env), osd, fid, th);
2235 mutex_unlock(&inode->i_mutex);
2237 /* XXX: add to ext3 orphan list */
2238 /* rc = ext3_orphan_add(handle_t *handle, struct inode *inode) */
2240 /* not needed in the cache anymore */
2241 set_bit(LU_OBJECT_HEARD_BANSHEE, &dt->do_lu.lo_header->loh_flags);
2247 * Put the fid into lustre_mdt_attrs, and then place the structure
2248 * inode's ea. This fid should not be altered during the life time
2251 * \retval +ve, on success
2252 * \retval -ve, on error
2254 * FIXME: It is good to have/use ldiskfs_xattr_set_handle() here
2256 int osd_ea_fid_set(struct osd_thread_info *info, struct inode *inode,
2257 const struct lu_fid *fid, __u64 flags)
2259 struct lustre_mdt_attrs *lma = &info->oti_mdt_attrs;
2262 if (OBD_FAIL_CHECK(OBD_FAIL_FID_INLMA))
2265 lustre_lma_init(lma, fid, flags);
2266 lustre_lma_swab(lma);
2268 rc = __osd_xattr_set(info, inode, XATTR_NAME_LMA, lma, sizeof(*lma),
2270 /* Someone may created the EA by race. */
2271 if (unlikely(rc == -EEXIST))
2277 * ldiskfs supports fid in dirent, it is passed in dentry->d_fsdata.
2278 * lustre 1.8 also uses d_fsdata for passing other info to ldiskfs.
2279 * To have compatilibility with 1.8 ldiskfs driver we need to have
2280 * magic number at start of fid data.
2281 * \ldiskfs_dentry_param is used only to pass fid from osd to ldiskfs.
2284 void osd_get_ldiskfs_dirent_param(struct ldiskfs_dentry_param *param,
2285 const struct dt_rec *fid)
2287 if (!fid_is_namespace_visible((const struct lu_fid *)fid) ||
2288 OBD_FAIL_CHECK(OBD_FAIL_FID_IGIF)) {
2289 param->edp_magic = 0;
2293 param->edp_magic = LDISKFS_LUFID_MAGIC;
2294 param->edp_len = sizeof(struct lu_fid) + 1;
2295 fid_cpu_to_be((struct lu_fid *)param->edp_data, (struct lu_fid *)fid);
2299 * Try to read the fid from inode ea into dt_rec.
2301 * \param fid object fid.
2303 * \retval 0 on success
2305 static int osd_ea_fid_get(const struct lu_env *env, struct osd_object *obj,
2306 __u32 ino, struct lu_fid *fid,
2307 struct osd_inode_id *id)
2309 struct osd_thread_info *info = osd_oti_get(env);
2310 struct inode *inode;
2313 osd_id_gen(id, ino, OSD_OII_NOGEN);
2314 inode = osd_iget_fid(info, osd_obj2dev(obj), id, fid);
2316 RETURN(PTR_ERR(inode));
2322 static int osd_add_dot_dotdot_internal(struct osd_thread_info *info,
2324 struct inode *parent_dir,
2325 const struct dt_rec *dot_fid,
2326 const struct dt_rec *dot_dot_fid,
2327 struct osd_thandle *oth)
2329 struct ldiskfs_dentry_param *dot_ldp;
2330 struct ldiskfs_dentry_param *dot_dot_ldp;
2332 dot_dot_ldp = (struct ldiskfs_dentry_param *)info->oti_ldp2;
2333 osd_get_ldiskfs_dirent_param(dot_dot_ldp, dot_dot_fid);
2335 dot_ldp = (struct ldiskfs_dentry_param *)info->oti_ldp;
2336 dot_ldp->edp_magic = 0;
2337 return ldiskfs_add_dot_dotdot(oth->ot_handle, parent_dir,
2338 dir, dot_ldp, dot_dot_ldp);
2342 * Create an local agent inode for remote entry
2344 static struct inode *osd_create_local_agent_inode(const struct lu_env *env,
2345 struct osd_device *osd,
2346 struct osd_object *pobj,
2347 const struct lu_fid *fid,
2350 struct osd_thread_info *info = osd_oti_get(env);
2351 struct inode *local;
2352 struct osd_thandle *oh;
2357 oh = container_of(th, struct osd_thandle, ot_super);
2358 LASSERT(oh->ot_handle->h_transaction != NULL);
2360 /* FIXME: Insert index api needs to know the mode of
2361 * the remote object. Just use S_IFDIR for now */
2362 local = ldiskfs_create_inode(oh->ot_handle, pobj->oo_inode, S_IFDIR);
2363 if (IS_ERR(local)) {
2364 CERROR("%s: create local error %d\n", osd_name(osd),
2365 (int)PTR_ERR(local));
2369 /* Set special LMA flag for local agent inode */
2370 rc = osd_ea_fid_set(info, local, fid, LMAI_AGENT);
2372 CERROR("%s: set LMA for "DFID" remote inode failed: rc = %d\n",
2373 osd_name(osd), PFID(fid), rc);
2374 RETURN(ERR_PTR(rc));
2377 rc = osd_add_dot_dotdot_internal(info, local, pobj->oo_inode,
2378 (const struct dt_rec *)lu_object_fid(&pobj->oo_dt.do_lu),
2379 (const struct dt_rec *)fid, oh);
2381 CERROR("%s: "DFID" add dot dotdot error: rc = %d\n",
2382 osd_name(osd), PFID(fid), rc);
2383 RETURN(ERR_PTR(rc));
2390 * Delete local agent inode for remote entry
2392 static int osd_delete_local_agent_inode(const struct lu_env *env,
2393 struct osd_device *osd,
2394 const struct lu_fid *fid,
2395 __u32 ino, struct osd_thandle *oh)
2397 struct osd_thread_info *oti = osd_oti_get(env);
2398 struct osd_inode_id *id = &oti->oti_id;
2399 struct inode *inode;
2402 id->oii_ino = le32_to_cpu(ino);
2403 id->oii_gen = OSD_OII_NOGEN;
2404 inode = osd_iget(oti, osd, id);
2405 if (IS_ERR(inode)) {
2406 CERROR("%s: iget error "DFID" id %u:%u\n", osd_name(osd),
2407 PFID(fid), id->oii_ino, id->oii_gen);
2408 RETURN(PTR_ERR(inode));
2412 mark_inode_dirty(inode);
2413 CDEBUG(D_INODE, "%s: delete remote inode "DFID" %lu\n",
2414 osd_name(osd), PFID(fid), inode->i_ino);
2420 * OSD layer object create function for interoperability mode (b11826).
2421 * This is mostly similar to osd_object_create(). Only difference being, fid is
2422 * inserted into inode ea here.
2424 * \retval 0, on success
2425 * \retval -ve, on error
2427 static int osd_object_ea_create(const struct lu_env *env, struct dt_object *dt,
2428 struct lu_attr *attr,
2429 struct dt_allocation_hint *hint,
2430 struct dt_object_format *dof,
2433 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
2434 struct osd_object *obj = osd_dt_obj(dt);
2435 struct osd_thread_info *info = osd_oti_get(env);
2440 LASSERT(osd_invariant(obj));
2441 LASSERT(!dt_object_exists(dt) && !dt_object_remote(dt));
2442 LASSERT(osd_write_locked(env, obj));
2443 LASSERT(th != NULL);
2445 if (unlikely(fid_is_acct(fid)))
2446 /* Quota files can't be created from the kernel any more,
2447 * 'tune2fs -O quota' will take care of creating them */
2450 osd_trans_exec_op(env, th, OSD_OT_CREATE);
2451 osd_trans_declare_rb(env, th, OSD_OT_REF_ADD);
2453 result = __osd_object_create(info, obj, attr, hint, dof, th);
2455 result = osd_ea_fid_set(info, obj->oo_inode, fid, 0);
2458 result = __osd_oi_insert(env, obj, fid, th);
2460 LASSERT(ergo(result == 0,
2461 dt_object_exists(dt) && !dt_object_remote(dt)));
2462 LINVRNT(osd_invariant(obj));
2466 static int osd_declare_object_ref_add(const struct lu_env *env,
2467 struct dt_object *dt,
2468 struct thandle *handle)
2470 struct osd_thandle *oh;
2472 /* it's possible that object doesn't exist yet */
2473 LASSERT(handle != NULL);
2475 oh = container_of0(handle, struct osd_thandle, ot_super);
2476 LASSERT(oh->ot_handle == NULL);
2478 osd_trans_declare_op(env, oh, OSD_OT_REF_ADD,
2479 osd_dto_credits_noquota[DTO_ATTR_SET_BASE]);
2485 * Concurrency: @dt is write locked.
2487 static int osd_object_ref_add(const struct lu_env *env,
2488 struct dt_object *dt, struct thandle *th)
2490 struct osd_object *obj = osd_dt_obj(dt);
2491 struct inode *inode = obj->oo_inode;
2493 LINVRNT(osd_invariant(obj));
2494 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2495 LASSERT(osd_write_locked(env, obj));
2496 LASSERT(th != NULL);
2498 osd_trans_exec_op(env, th, OSD_OT_REF_ADD);
2501 * DIR_NLINK feature is set for compatibility reasons if:
2502 * 1) nlinks > LDISKFS_LINK_MAX, or
2503 * 2) nlinks == 2, since this indicates i_nlink was previously 1.
2505 * It is easier to always set this flag (rather than check and set),
2506 * since it has less overhead, and the superblock will be dirtied
2507 * at some point. Both e2fsprogs and any Lustre-supported ldiskfs
2508 * do not actually care whether this flag is set or not.
2510 spin_lock(&obj->oo_guard);
2511 /* inc_nlink from 0 may cause WARN_ON */
2512 if(inode->i_nlink == 0)
2513 set_nlink(inode, 1);
2516 if (S_ISDIR(inode->i_mode) && inode->i_nlink > 1) {
2517 if (inode->i_nlink >= LDISKFS_LINK_MAX ||
2518 inode->i_nlink == 2)
2519 set_nlink(inode, 1);
2521 LASSERT(inode->i_nlink <= LDISKFS_LINK_MAX);
2522 spin_unlock(&obj->oo_guard);
2523 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2524 LINVRNT(osd_invariant(obj));
2529 static int osd_declare_object_ref_del(const struct lu_env *env,
2530 struct dt_object *dt,
2531 struct thandle *handle)
2533 struct osd_thandle *oh;
2535 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2536 LASSERT(handle != NULL);
2538 oh = container_of0(handle, struct osd_thandle, ot_super);
2539 LASSERT(oh->ot_handle == NULL);
2541 osd_trans_declare_op(env, oh, OSD_OT_REF_DEL,
2542 osd_dto_credits_noquota[DTO_ATTR_SET_BASE]);
2548 * Concurrency: @dt is write locked.
2550 static int osd_object_ref_del(const struct lu_env *env, struct dt_object *dt,
2553 struct osd_object *obj = osd_dt_obj(dt);
2554 struct inode *inode = obj->oo_inode;
2556 LINVRNT(osd_invariant(obj));
2557 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2558 LASSERT(osd_write_locked(env, obj));
2559 LASSERT(th != NULL);
2561 osd_trans_exec_op(env, th, OSD_OT_REF_DEL);
2563 spin_lock(&obj->oo_guard);
2564 LASSERT(inode->i_nlink > 0);
2566 /* If this is/was a many-subdir directory (nlink > LDISKFS_LINK_MAX)
2567 * then the nlink count is 1. Don't let it be set to 0 or the directory
2568 * inode will be deleted incorrectly. */
2569 if (S_ISDIR(inode->i_mode) && inode->i_nlink == 0)
2570 set_nlink(inode, 1);
2571 spin_unlock(&obj->oo_guard);
2572 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2573 LINVRNT(osd_invariant(obj));
2579 * Get the 64-bit version for an inode.
2581 static int osd_object_version_get(const struct lu_env *env,
2582 struct dt_object *dt, dt_obj_version_t *ver)
2584 struct inode *inode = osd_dt_obj(dt)->oo_inode;
2586 CDEBUG(D_INODE, "Get version "LPX64" for inode %lu\n",
2587 LDISKFS_I(inode)->i_fs_version, inode->i_ino);
2588 *ver = LDISKFS_I(inode)->i_fs_version;
2593 * Concurrency: @dt is read locked.
2595 static int osd_xattr_get(const struct lu_env *env, struct dt_object *dt,
2596 struct lu_buf *buf, const char *name,
2597 struct lustre_capa *capa)
2599 struct osd_object *obj = osd_dt_obj(dt);
2600 struct inode *inode = obj->oo_inode;
2601 struct osd_thread_info *info = osd_oti_get(env);
2602 struct dentry *dentry = &info->oti_obj_dentry;
2604 /* version get is not real XATTR but uses xattr API */
2605 if (strcmp(name, XATTR_NAME_VERSION) == 0) {
2606 /* for version we are just using xattr API but change inode
2608 LASSERT(buf->lb_len == sizeof(dt_obj_version_t));
2609 osd_object_version_get(env, dt, buf->lb_buf);
2610 return sizeof(dt_obj_version_t);
2613 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2614 LASSERT(inode->i_op != NULL && inode->i_op->getxattr != NULL);
2616 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_READ))
2619 return __osd_xattr_get(inode, dentry, name, buf->lb_buf, buf->lb_len);
2623 static int osd_declare_xattr_set(const struct lu_env *env,
2624 struct dt_object *dt,
2625 const struct lu_buf *buf, const char *name,
2626 int fl, struct thandle *handle)
2628 struct osd_thandle *oh;
2630 LASSERT(handle != NULL);
2632 oh = container_of0(handle, struct osd_thandle, ot_super);
2633 LASSERT(oh->ot_handle == NULL);
2635 osd_trans_declare_op(env, oh, OSD_OT_XATTR_SET,
2636 strcmp(name, XATTR_NAME_VERSION) == 0 ?
2637 osd_dto_credits_noquota[DTO_ATTR_SET_BASE] :
2638 osd_dto_credits_noquota[DTO_XATTR_SET]);
2644 * Set the 64-bit version for object
2646 static void osd_object_version_set(const struct lu_env *env,
2647 struct dt_object *dt,
2648 dt_obj_version_t *new_version)
2650 struct inode *inode = osd_dt_obj(dt)->oo_inode;
2652 CDEBUG(D_INODE, "Set version "LPX64" (old "LPX64") for inode %lu\n",
2653 *new_version, LDISKFS_I(inode)->i_fs_version, inode->i_ino);
2655 LDISKFS_I(inode)->i_fs_version = *new_version;
2656 /** Version is set after all inode operations are finished,
2657 * so we should mark it dirty here */
2658 ll_dirty_inode(inode, I_DIRTY_DATASYNC);
2662 * Concurrency: @dt is write locked.
2664 static int osd_xattr_set(const struct lu_env *env, struct dt_object *dt,
2665 const struct lu_buf *buf, const char *name, int fl,
2666 struct thandle *handle, struct lustre_capa *capa)
2668 struct osd_object *obj = osd_dt_obj(dt);
2669 struct inode *inode = obj->oo_inode;
2670 struct osd_thread_info *info = osd_oti_get(env);
2674 LASSERT(handle != NULL);
2676 /* version set is not real XATTR */
2677 if (strcmp(name, XATTR_NAME_VERSION) == 0) {
2678 /* for version we are just using xattr API but change inode
2680 LASSERT(buf->lb_len == sizeof(dt_obj_version_t));
2681 osd_object_version_set(env, dt, buf->lb_buf);
2682 return sizeof(dt_obj_version_t);
2685 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_WRITE))
2688 osd_trans_exec_op(env, handle, OSD_OT_XATTR_SET);
2689 if (fl & LU_XATTR_REPLACE)
2690 fs_flags |= XATTR_REPLACE;
2692 if (fl & LU_XATTR_CREATE)
2693 fs_flags |= XATTR_CREATE;
2695 return __osd_xattr_set(info, inode, name, buf->lb_buf, buf->lb_len,
2700 * Concurrency: @dt is read locked.
2702 static int osd_xattr_list(const struct lu_env *env, struct dt_object *dt,
2703 struct lu_buf *buf, struct lustre_capa *capa)
2705 struct osd_object *obj = osd_dt_obj(dt);
2706 struct inode *inode = obj->oo_inode;
2707 struct osd_thread_info *info = osd_oti_get(env);
2708 struct dentry *dentry = &info->oti_obj_dentry;
2710 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2711 LASSERT(inode->i_op != NULL && inode->i_op->listxattr != NULL);
2712 LASSERT(osd_read_locked(env, obj) || osd_write_locked(env, obj));
2714 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_READ))
2717 dentry->d_inode = inode;
2718 dentry->d_sb = inode->i_sb;
2719 return inode->i_op->listxattr(dentry, buf->lb_buf, buf->lb_len);
2722 static int osd_declare_xattr_del(const struct lu_env *env,
2723 struct dt_object *dt, const char *name,
2724 struct thandle *handle)
2726 struct osd_thandle *oh;
2728 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2729 LASSERT(handle != NULL);
2731 oh = container_of0(handle, struct osd_thandle, ot_super);
2732 LASSERT(oh->ot_handle == NULL);
2734 osd_trans_declare_op(env, oh, OSD_OT_XATTR_SET,
2735 osd_dto_credits_noquota[DTO_XATTR_SET]);
2741 * Concurrency: @dt is write locked.
2743 static int osd_xattr_del(const struct lu_env *env, struct dt_object *dt,
2744 const char *name, struct thandle *handle,
2745 struct lustre_capa *capa)
2747 struct osd_object *obj = osd_dt_obj(dt);
2748 struct inode *inode = obj->oo_inode;
2749 struct osd_thread_info *info = osd_oti_get(env);
2750 struct dentry *dentry = &info->oti_obj_dentry;
2753 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2754 LASSERT(inode->i_op != NULL && inode->i_op->removexattr != NULL);
2755 LASSERT(handle != NULL);
2757 if (osd_object_auth(env, dt, capa, CAPA_OPC_META_WRITE))
2760 osd_trans_exec_op(env, handle, OSD_OT_XATTR_SET);
2762 ll_vfs_dq_init(inode);
2763 dentry->d_inode = inode;
2764 dentry->d_sb = inode->i_sb;
2765 rc = inode->i_op->removexattr(dentry, name);
2769 static struct obd_capa *osd_capa_get(const struct lu_env *env,
2770 struct dt_object *dt,
2771 struct lustre_capa *old,
2774 struct osd_thread_info *info = osd_oti_get(env);
2775 const struct lu_fid *fid = lu_object_fid(&dt->do_lu);
2776 struct osd_object *obj = osd_dt_obj(dt);
2777 struct osd_device *dev = osd_obj2dev(obj);
2778 struct lustre_capa_key *key = &info->oti_capa_key;
2779 struct lustre_capa *capa = &info->oti_capa;
2780 struct obd_capa *oc;
2781 struct md_capainfo *ci;
2785 if (!dev->od_fl_capa)
2786 RETURN(ERR_PTR(-ENOENT));
2788 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
2789 LINVRNT(osd_invariant(obj));
2791 /* renewal sanity check */
2792 if (old && osd_object_auth(env, dt, old, opc))
2793 RETURN(ERR_PTR(-EACCES));
2795 ci = md_capainfo(env);
2797 RETURN(ERR_PTR(-ENOENT));
2799 switch (ci->mc_auth) {
2803 capa->lc_uid = obj->oo_inode->i_uid;
2804 capa->lc_gid = obj->oo_inode->i_gid;
2805 capa->lc_flags = LC_ID_PLAIN;
2807 case LC_ID_CONVERT: {
2810 s[0] = obj->oo_inode->i_uid;
2811 cfs_get_random_bytes(&(s[1]), sizeof(__u32));
2812 s[2] = obj->oo_inode->i_gid;
2813 cfs_get_random_bytes(&(s[3]), sizeof(__u32));
2814 rc = capa_encrypt_id(d, s, key->lk_key, CAPA_HMAC_KEY_MAX_LEN);
2816 RETURN(ERR_PTR(rc));
2818 capa->lc_uid = ((__u64)d[1] << 32) | d[0];
2819 capa->lc_gid = ((__u64)d[3] << 32) | d[2];
2820 capa->lc_flags = LC_ID_CONVERT;
2824 RETURN(ERR_PTR(-EINVAL));
2827 capa->lc_fid = *fid;
2829 capa->lc_flags |= dev->od_capa_alg << 24;
2830 capa->lc_timeout = dev->od_capa_timeout;
2831 capa->lc_expiry = 0;
2833 oc = capa_lookup(dev->od_capa_hash, capa, 1);
2835 LASSERT(!capa_is_expired(oc));
2839 spin_lock(&capa_lock);
2840 *key = dev->od_capa_keys[1];
2841 spin_unlock(&capa_lock);
2843 capa->lc_keyid = key->lk_keyid;
2844 capa->lc_expiry = cfs_time_current_sec() + dev->od_capa_timeout;
2846 rc = capa_hmac(capa->lc_hmac, capa, key->lk_key);
2848 DEBUG_CAPA(D_ERROR, capa, "HMAC failed: %d for", rc);
2849 RETURN(ERR_PTR(rc));
2852 oc = capa_add(dev->od_capa_hash, capa);
2856 static int osd_object_sync(const struct lu_env *env, struct dt_object *dt)
2858 struct osd_object *obj = osd_dt_obj(dt);
2859 struct inode *inode = obj->oo_inode;
2860 struct osd_thread_info *info = osd_oti_get(env);
2861 struct dentry *dentry = &info->oti_obj_dentry;
2862 struct file *file = &info->oti_file;
2867 dentry->d_inode = inode;
2868 dentry->d_sb = inode->i_sb;
2869 file->f_dentry = dentry;
2870 file->f_mapping = inode->i_mapping;
2871 file->f_op = inode->i_fop;
2872 #ifndef HAVE_FILE_FSYNC_4ARGS
2873 mutex_lock(&inode->i_mutex);
2875 rc = do_fsync(file, 0);
2876 #ifndef HAVE_FILE_FSYNC_4ARGS
2877 mutex_unlock(&inode->i_mutex);
2882 static int osd_data_get(const struct lu_env *env, struct dt_object *dt,
2885 struct osd_object *obj = osd_dt_obj(dt);
2888 *data = (void *)obj->oo_inode;
2896 static int osd_iam_index_probe(const struct lu_env *env, struct osd_object *o,
2897 const struct dt_index_features *feat)
2899 struct iam_descr *descr;
2901 if (osd_object_is_root(o))
2902 return feat == &dt_directory_features;
2904 LASSERT(o->oo_dir != NULL);
2906 descr = o->oo_dir->od_container.ic_descr;
2907 if (feat == &dt_directory_features) {
2908 if (descr->id_rec_size == sizeof(struct osd_fid_pack))
2914 feat->dif_keysize_min <= descr->id_key_size &&
2915 descr->id_key_size <= feat->dif_keysize_max &&
2916 feat->dif_recsize_min <= descr->id_rec_size &&
2917 descr->id_rec_size <= feat->dif_recsize_max &&
2918 !(feat->dif_flags & (DT_IND_VARKEY |
2919 DT_IND_VARREC | DT_IND_NONUNQ)) &&
2920 ergo(feat->dif_flags & DT_IND_UPDATE,
2921 1 /* XXX check that object (and file system) is
2926 static int osd_iam_container_init(const struct lu_env *env,
2927 struct osd_object *obj,
2928 struct osd_directory *dir)
2930 struct iam_container *bag = &dir->od_container;
2933 result = iam_container_init(bag, &dir->od_descr, obj->oo_inode);
2937 result = iam_container_setup(bag);
2939 obj->oo_dt.do_index_ops = &osd_index_iam_ops;
2941 iam_container_fini(bag);
2948 * Concurrency: no external locking is necessary.
2950 static int osd_index_try(const struct lu_env *env, struct dt_object *dt,
2951 const struct dt_index_features *feat)
2955 struct osd_object *obj = osd_dt_obj(dt);
2957 LINVRNT(osd_invariant(obj));
2959 if (osd_object_is_root(obj)) {
2960 dt->do_index_ops = &osd_index_ea_ops;
2962 } else if (feat == &dt_directory_features) {
2963 dt->do_index_ops = &osd_index_ea_ops;
2964 if (obj->oo_inode != NULL && S_ISDIR(obj->oo_inode->i_mode))
2969 } else if (unlikely(feat == &dt_otable_features)) {
2970 dt->do_index_ops = &osd_otable_ops;
2972 } else if (unlikely(feat == &dt_acct_features)) {
2973 dt->do_index_ops = &osd_acct_index_ops;
2976 } else if (!osd_has_index(obj)) {
2977 struct osd_directory *dir;
2982 spin_lock(&obj->oo_guard);
2983 if (obj->oo_dir == NULL)
2987 * Concurrent thread allocated container data.
2990 spin_unlock(&obj->oo_guard);
2992 * Now, that we have container data, serialize its
2995 down_write(&obj->oo_ext_idx_sem);
2997 * recheck under lock.
2999 if (!osd_has_index(obj))
3000 result = osd_iam_container_init(env, obj, dir);
3003 up_write(&obj->oo_ext_idx_sem);
3011 if (result == 0 && skip_iam == 0) {
3012 if (!osd_iam_index_probe(env, obj, feat))
3015 LINVRNT(osd_invariant(obj));
3017 if (result == 0 && is_quota_glb_feat(feat) &&
3018 fid_seq(lu_object_fid(&dt->do_lu)) == FID_SEQ_QUOTA_GLB)
3019 result = osd_quota_migration(env, dt, feat);
3024 static int osd_otable_it_attr_get(const struct lu_env *env,
3025 struct dt_object *dt,
3026 struct lu_attr *attr,
3027 struct lustre_capa *capa)
3033 static const struct dt_object_operations osd_obj_ops = {
3034 .do_read_lock = osd_object_read_lock,
3035 .do_write_lock = osd_object_write_lock,
3036 .do_read_unlock = osd_object_read_unlock,
3037 .do_write_unlock = osd_object_write_unlock,
3038 .do_write_locked = osd_object_write_locked,
3039 .do_attr_get = osd_attr_get,
3040 .do_declare_attr_set = osd_declare_attr_set,
3041 .do_attr_set = osd_attr_set,
3042 .do_ah_init = osd_ah_init,
3043 .do_declare_create = osd_declare_object_create,
3044 .do_create = osd_object_create,
3045 .do_declare_destroy = osd_declare_object_destroy,
3046 .do_destroy = osd_object_destroy,
3047 .do_index_try = osd_index_try,
3048 .do_declare_ref_add = osd_declare_object_ref_add,
3049 .do_ref_add = osd_object_ref_add,
3050 .do_declare_ref_del = osd_declare_object_ref_del,
3051 .do_ref_del = osd_object_ref_del,
3052 .do_xattr_get = osd_xattr_get,
3053 .do_declare_xattr_set = osd_declare_xattr_set,
3054 .do_xattr_set = osd_xattr_set,
3055 .do_declare_xattr_del = osd_declare_xattr_del,
3056 .do_xattr_del = osd_xattr_del,
3057 .do_xattr_list = osd_xattr_list,
3058 .do_capa_get = osd_capa_get,
3059 .do_object_sync = osd_object_sync,
3060 .do_data_get = osd_data_get,
3064 * dt_object_operations for interoperability mode
3065 * (i.e. to run 2.0 mds on 1.8 disk) (b11826)
3067 static const struct dt_object_operations osd_obj_ea_ops = {
3068 .do_read_lock = osd_object_read_lock,
3069 .do_write_lock = osd_object_write_lock,
3070 .do_read_unlock = osd_object_read_unlock,
3071 .do_write_unlock = osd_object_write_unlock,
3072 .do_write_locked = osd_object_write_locked,
3073 .do_attr_get = osd_attr_get,
3074 .do_declare_attr_set = osd_declare_attr_set,
3075 .do_attr_set = osd_attr_set,
3076 .do_ah_init = osd_ah_init,
3077 .do_declare_create = osd_declare_object_create,
3078 .do_create = osd_object_ea_create,
3079 .do_declare_destroy = osd_declare_object_destroy,
3080 .do_destroy = osd_object_destroy,
3081 .do_index_try = osd_index_try,
3082 .do_declare_ref_add = osd_declare_object_ref_add,
3083 .do_ref_add = osd_object_ref_add,
3084 .do_declare_ref_del = osd_declare_object_ref_del,
3085 .do_ref_del = osd_object_ref_del,
3086 .do_xattr_get = osd_xattr_get,
3087 .do_declare_xattr_set = osd_declare_xattr_set,
3088 .do_xattr_set = osd_xattr_set,
3089 .do_declare_xattr_del = osd_declare_xattr_del,
3090 .do_xattr_del = osd_xattr_del,
3091 .do_xattr_list = osd_xattr_list,
3092 .do_capa_get = osd_capa_get,
3093 .do_object_sync = osd_object_sync,
3094 .do_data_get = osd_data_get,
3097 static const struct dt_object_operations osd_obj_otable_it_ops = {
3098 .do_attr_get = osd_otable_it_attr_get,
3099 .do_index_try = osd_index_try,
3102 static int osd_index_declare_iam_delete(const struct lu_env *env,
3103 struct dt_object *dt,
3104 const struct dt_key *key,
3105 struct thandle *handle)
3107 struct osd_thandle *oh;
3109 oh = container_of0(handle, struct osd_thandle, ot_super);
3110 LASSERT(oh->ot_handle == NULL);
3112 osd_trans_declare_op(env, oh, OSD_OT_DELETE,
3113 osd_dto_credits_noquota[DTO_INDEX_DELETE]);
3119 * delete a (key, value) pair from index \a dt specified by \a key
3121 * \param dt osd index object
3122 * \param key key for index
3123 * \param rec record reference
3124 * \param handle transaction handler
3127 * \retval -ve failure
3130 static int osd_index_iam_delete(const struct lu_env *env, struct dt_object *dt,
3131 const struct dt_key *key,
3132 struct thandle *handle,
3133 struct lustre_capa *capa)
3135 struct osd_thread_info *oti = osd_oti_get(env);
3136 struct osd_object *obj = osd_dt_obj(dt);
3137 struct osd_thandle *oh;
3138 struct iam_path_descr *ipd;
3139 struct iam_container *bag = &obj->oo_dir->od_container;
3144 LINVRNT(osd_invariant(obj));
3145 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3146 LASSERT(bag->ic_object == obj->oo_inode);
3147 LASSERT(handle != NULL);
3149 if (osd_object_auth(env, dt, capa, CAPA_OPC_INDEX_DELETE))
3152 osd_trans_exec_op(env, handle, OSD_OT_DELETE);
3154 ipd = osd_idx_ipd_get(env, bag);
3155 if (unlikely(ipd == NULL))
3158 oh = container_of0(handle, struct osd_thandle, ot_super);
3159 LASSERT(oh->ot_handle != NULL);
3160 LASSERT(oh->ot_handle->h_transaction != NULL);
3162 if (fid_is_quota(lu_object_fid(&dt->do_lu))) {
3163 /* swab quota uid/gid provided by caller */
3164 oti->oti_quota_id = cpu_to_le64(*((__u64 *)key));
3165 key = (const struct dt_key *)&oti->oti_quota_id;
3168 rc = iam_delete(oh->ot_handle, bag, (const struct iam_key *)key, ipd);
3169 osd_ipd_put(env, bag, ipd);
3170 LINVRNT(osd_invariant(obj));
3174 static int osd_index_declare_ea_delete(const struct lu_env *env,
3175 struct dt_object *dt,
3176 const struct dt_key *key,
3177 struct thandle *handle)
3179 struct osd_thandle *oh;
3180 struct inode *inode;
3184 LASSERT(dt_object_exists(dt) && !dt_object_remote(dt));
3185 LASSERT(handle != NULL);
3187 oh = container_of0(handle, struct osd_thandle, ot_super);
3188 LASSERT(oh->ot_handle == NULL);
3190 osd_trans_declare_op(env, oh, OSD_OT_DELETE,
3191 osd_dto_credits_noquota[DTO_INDEX_DELETE]);
3193 inode = osd_dt_obj(dt)->oo_inode;
3196 rc = osd_declare_inode_qid(env, inode->i_uid, inode->i_gid, 0, oh,
3197 true, true, NULL, false);
3201 static inline int osd_get_fid_from_dentry(struct ldiskfs_dir_entry_2 *de,
3204 struct osd_fid_pack *rec;
3207 if (de->file_type & LDISKFS_DIRENT_LUFID) {
3208 rec = (struct osd_fid_pack *) (de->name + de->name_len + 1);