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.gnu.org/licenses/gpl-2.0.html
23 * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2012, 2016, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
30 * Lustre is a trademark of Sun Microsystems, Inc.
32 * lustre/osd-zfs/osd_internal.h
33 * Shared definitions and declarations for zfs/dmu osd
35 * Author: Alex Zhuravlev <bzzz@whamcloud.com>
36 * Author: Mike Pershin <tappro@whamcloud.com>
37 * Author: Johann Lombardi <johann@whamcloud.com>
40 #ifndef _OSD_INTERNAL_H
41 #define _OSD_INTERNAL_H
43 #include <dt_object.h>
44 #include <md_object.h>
45 #include <lustre_quota.h>
50 #include <sys/nvpair.h>
51 #include <sys/zfs_znode.h>
54 #include <sys/dmu_objset.h>
57 * By design including kmem.h overrides the Linux slab interfaces to provide
58 * the Illumos kmem cache interfaces. To override this and gain access to
59 * the Linux interfaces these preprocessor macros must be undefined.
61 #ifdef kmem_cache_destroy
62 #undef kmem_cache_destroy
65 #ifdef kmem_cache_create
66 #undef kmem_cache_create
69 #ifdef kmem_cache_alloc
70 #undef kmem_cache_alloc
73 #ifdef kmem_cache_free
74 #undef kmem_cache_free
77 #define ZFS_VERSION_CODE \
78 OBD_OCD_VERSION(ZFS_MAJOR, ZFS_MINOR, ZFS_PATCH, ZFS_FIX)
80 #define LUSTRE_ROOT_FID_SEQ 0
81 #define DMU_OSD_SVNAME "svname"
82 #define DMU_OSD_OI_NAME_BASE "oi"
84 #define OSD_GFP_IO (GFP_NOFS | __GFP_HIGHMEM)
86 /* Statfs space reservation for grant, fragmentation, and unlink space. */
87 #define OSD_STATFS_RESERVED_SIZE (16ULL << 20) /* reserve 16MB minimum */
88 #define OSD_STATFS_RESERVED_SHIFT (7) /* reserve 0.78% of all space */
90 /* Statfs {minimum, safe estimate, and maximum} dnodes per block */
91 #define OSD_DNODE_MIN_BLKSHIFT (DNODES_PER_BLOCK_SHIFT)
92 #define OSD_DNODE_EST_BLKSHIFT (12) /* est 4KB/dnode */
93 #define OSD_DNODE_EST_COUNT 4096
95 #define OSD_GRANT_FOR_LOCAL_OIDS (2ULL << 20) /* 2MB for last_rcvd, ... */
98 * Iterator's in-memory data structure for quota file.
100 struct osd_it_quota {
101 struct osd_object *oiq_obj;
102 /* DMU accounting object id */
105 zap_cursor_t *oiq_zc;
106 /** identifier for current quota record */
108 unsigned oiq_reset:1; /* 1 -- no need to advance */
112 * Iterator's in-memory data structure for ZAPs
114 * ZFS does not store . and .. on a disk, instead they are
115 * generated up on request
116 * to follow this format we do the same
119 zap_cursor_t *ozi_zc;
120 struct osd_object *ozi_obj;
121 unsigned ozi_reset:1; /* 1 -- no need to advance */
122 /* ozi_pos - position of the cursor:
123 * 0 - before any record
126 * 3 - real records */
129 char ozi_name[MAXNAMELEN]; /* file name for dir */
130 __u64 ozi_key; /* binary key for index files */
133 #define DT_IT2DT(it) (&((struct osd_zap_it *)it)->ozi_obj->oo_dt)
136 * regular ZFS direntry
138 struct zpl_direntry {
139 uint64_t zde_dnode:48,
142 } __attribute__((packed));
145 * lustre direntry adds a fid to regular ZFS direntry
147 struct luz_direntry {
148 struct zpl_direntry lzd_reg;
149 struct lu_fid lzd_fid;
150 } __attribute__((packed));
153 /* cached SA attributes */
168 #define OSD_INS_CACHE_SIZE 8
171 struct osd_idmap_cache {
172 struct osd_device *oic_dev;
173 struct lu_fid oic_fid;
174 /** max 2^48 dnodes per dataset, avoid spilling into another word */
175 uint64_t oic_dnode:DN_MAX_OBJECT_SHIFT,
176 oic_remote:1; /* FID isn't local */
179 /* max.number of regular attrubites the callers may ask for */
180 #define OSD_MAX_IN_BULK 13
182 struct osd_thread_info {
183 const struct lu_env *oti_env;
185 struct lu_fid oti_fid;
187 * XXX temporary: for ->i_op calls.
189 struct timespec oti_time;
191 struct ost_id oti_ostid;
197 char oti_key[MAXNAMELEN + 1];
198 __u64 oti_key64[(MAXNAMELEN + 1)/sizeof(__u64)];
199 sa_bulk_attr_t oti_attr_bulk[OSD_MAX_IN_BULK];
201 struct lustre_mdt_attrs oti_mdt_attrs;
203 struct lu_attr oti_la;
204 struct osa_attr oti_osa;
205 zap_attribute_t oti_za;
206 dmu_object_info_t oti_doi;
207 struct luz_direntry oti_zde;
209 struct lquota_id_info oti_qi;
210 struct lu_seq_range oti_seq_range;
212 /* dedicated OI cache for insert (which needs inum) */
213 struct osd_idmap_cache *oti_ins_cache;
214 int oti_ins_cache_size;
215 int oti_ins_cache_used;
216 struct lu_buf oti_xattr_lbuf;
219 extern struct lu_context_key osd_key;
221 static inline struct osd_thread_info *osd_oti_get(const struct lu_env *env)
223 return lu_context_key_get(&env->le_ctx, &osd_key);
227 struct thandle ot_super;
228 struct list_head ot_dcb_list;
229 struct list_head ot_stop_dcb_list;
230 struct list_head ot_unlinked_list;
231 struct list_head ot_sa_list;
233 struct lquota_trans ot_quota_trans;
234 __u32 ot_write_commit:1,
238 #define OSD_OI_NAME_SIZE 16
241 * Object Index (OI) instance.
244 char oi_name[OSD_OI_NAME_SIZE]; /* unused */
250 uint64_t *os_compat_dirs;
251 int os_subdir_count; /* subdir count for each seq */
252 u64 os_seq; /* seq number */
253 struct list_head os_seq_list; /* list to seq_list */
256 struct osd_seq_list {
257 rwlock_t osl_seq_list_lock; /* lock for seq_list */
258 struct list_head osl_seq_list; /* list head for seq */
259 struct semaphore osl_seq_init_sem;
262 #define OSD_OST_MAP_SIZE 32
269 struct dt_device od_dt_dev;
270 /* information about underlying file system */
271 struct objset *od_os;
272 uint64_t od_rootid; /* id of root znode */
273 dnode_t *od_unlinked; /* dnode of unlinked zapobj */
274 /* SA attr mapping->id,
275 * name is the same as in ZFS to use defines SA_ZPL_...*/
276 sa_attr_type_t *z_attr_table;
278 struct proc_dir_entry *od_proc_entry;
279 struct lprocfs_stats *od_stats;
281 uint64_t od_max_blksz;
284 struct osd_oi **od_oi_table;
285 unsigned int od_oi_count;
286 struct osd_seq_list od_seq_list;
288 unsigned int od_dev_set_rdonly:1, /**< osd_ro() called */
289 od_prop_rdonly:1, /**< ZFS property readonly */
298 struct lu_site od_site;
300 dnode_t *od_groupused_dn;
301 dnode_t *od_userused_dn;
303 /* quota slave instance */
304 struct qsd_instance *od_quota_slave;
306 struct brw_stats od_brw_stats;
307 atomic_t od_r_in_flight;
308 atomic_t od_w_in_flight;
310 /* used to debug zerocopy logic: the fields track all
311 * allocated, loaned and referenced buffers in use.
312 * to be removed once the change is tested well. */
313 atomic_t od_zerocopy_alloc;
314 atomic_t od_zerocopy_loan;
315 atomic_t od_zerocopy_pin;
317 arc_prune_t *arc_prune_cb;
319 /* osd seq instance */
320 struct lu_client_seq *od_cl_seq;
323 enum osd_destroy_type {
324 OSD_DESTROY_NONE = 0,
325 OSD_DESTROY_SYNC = 1,
326 OSD_DESTROY_ASYNC = 2,
330 struct dt_object oo_dt;
332 * Inode for file system object represented by this osd_object. This
333 * inode is pinned for the whole duration of lu_object life.
335 * Not modified concurrently (either setup early during object
336 * creation, or assigned by osd_create() under write lock).
339 sa_handle_t *oo_sa_hdl;
340 nvlist_t *oo_sa_xattr;
341 struct list_head oo_sa_linkage;
343 /* used to implement osd_object_*_{lock|unlock} */
344 struct rw_semaphore oo_sem;
346 /* to serialize some updates: destroy vs. others,
347 * xattr_set, object block size change etc */
348 struct rw_semaphore oo_guard;
350 /* protected by oo_guard */
351 struct list_head oo_unlinked_linkage;
353 /* cached attributes */
354 rwlock_t oo_attr_lock;
355 struct lu_attr oo_attr;
357 /* external dnode holding large EAs, protected by oo_guard */
359 enum osd_destroy_type oo_destroy;
361 __u32 oo_destroyed:1,
365 /* the i_flags in LMA */
368 int oo_ea_in_bonus; /* EA bytes we expect */
370 /* record size for index file */
371 unsigned char oo_keysize;
372 unsigned char oo_recsize;
373 unsigned char oo_recusize; /* unit size */
375 uint64_t oo_parent; /* used only at object creation */
379 int osd_statfs(const struct lu_env *, struct dt_device *, struct obd_statfs *);
380 extern const struct dt_index_operations osd_acct_index_ops;
381 extern struct lu_device_operations osd_lu_ops;
382 extern struct dt_index_operations osd_dir_ops;
383 int osd_declare_quota(const struct lu_env *env, struct osd_device *osd,
384 qid_t uid, qid_t gid, long long space,
385 struct osd_thandle *oh, bool is_blk, int *flags,
387 uint64_t osd_objs_count_estimate(uint64_t refdbytes, uint64_t usedobjs,
388 uint64_t nrblocks, uint64_t est_maxblockshift);
389 int osd_unlinked_object_free(const struct lu_env *env, struct osd_device *osd,
395 static inline int lu_device_is_osd(const struct lu_device *d)
397 return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &osd_lu_ops);
400 static inline struct osd_object *osd_obj(const struct lu_object *o)
402 LASSERT(lu_device_is_osd(o->lo_dev));
403 return container_of0(o, struct osd_object, oo_dt.do_lu);
406 static inline struct osd_device *osd_dt_dev(const struct dt_device *d)
408 LASSERT(lu_device_is_osd(&d->dd_lu_dev));
409 return container_of0(d, struct osd_device, od_dt_dev);
412 static inline struct osd_device *osd_dev(const struct lu_device *d)
414 LASSERT(lu_device_is_osd(d));
415 return osd_dt_dev(container_of0(d, struct dt_device, dd_lu_dev));
418 static inline struct osd_object *osd_dt_obj(const struct dt_object *d)
420 return osd_obj(&d->do_lu);
423 static inline struct osd_device *osd_obj2dev(const struct osd_object *o)
425 return osd_dev(o->oo_dt.do_lu.lo_dev);
428 static inline struct lu_device *osd2lu_dev(struct osd_device *osd)
430 return &osd->od_dt_dev.dd_lu_dev;
433 static inline struct objset * osd_dtobj2objset(struct dt_object *o)
435 return osd_dev(o->do_lu.lo_dev)->od_os;
438 static inline int osd_invariant(const struct osd_object *obj)
444 * Put the osd object once done with it.
446 * \param obj osd object that needs to be put
448 static inline void osd_object_put(const struct lu_env *env,
449 struct osd_object *obj)
451 dt_object_put(env, &obj->oo_dt);
454 static inline int osd_object_invariant(const struct lu_object *l)
456 return osd_invariant(osd_obj(l));
459 static inline struct seq_server_site *osd_seq_site(struct osd_device *osd)
461 return osd->od_dt_dev.dd_lu_dev.ld_site->ld_seq_site;
464 static inline char *osd_name(struct osd_device *osd)
466 return osd->od_dt_dev.dd_lu_dev.ld_obd->obd_name;
469 #ifdef CONFIG_PROC_FS
471 LPROC_OSD_READ_BYTES = 0,
472 LPROC_OSD_WRITE_BYTES = 1,
473 LPROC_OSD_GET_PAGE = 2,
474 LPROC_OSD_NO_PAGE = 3,
475 LPROC_OSD_CACHE_ACCESS = 4,
476 LPROC_OSD_CACHE_HIT = 5,
477 LPROC_OSD_CACHE_MISS = 6,
478 LPROC_OSD_COPY_IO = 7,
479 LPROC_OSD_ZEROCOPY_IO = 8,
480 LPROC_OSD_TAIL_IO = 9,
484 extern struct kmem_cache *osd_zapit_cachep;
486 extern struct lprocfs_vars lprocfs_osd_obd_vars[];
488 int osd_procfs_init(struct osd_device *osd, const char *name);
489 int osd_procfs_fini(struct osd_device *osd);
492 extern char *osd_obj_tag;
493 int __osd_obj2dnode(objset_t *os, uint64_t oid, dnode_t **dnp);
494 void osd_object_sa_dirty_rele(const struct lu_env *env, struct osd_thandle *oh);
495 void osd_object_sa_dirty_add(struct osd_object *obj, struct osd_thandle *oh);
496 int __osd_obj2dbuf(const struct lu_env *env, objset_t *os,
497 uint64_t oid, dmu_buf_t **dbp);
498 struct lu_object *osd_object_alloc(const struct lu_env *env,
499 const struct lu_object_header *hdr,
500 struct lu_device *d);
501 int osd_object_sa_update(struct osd_object *obj, sa_attr_type_t type,
502 void *buf, uint32_t buflen, struct osd_thandle *oh);
503 int __osd_zap_create(const struct lu_env *env, struct osd_device *osd,
504 dnode_t **zap_dnp, dmu_tx_t *tx, struct lu_attr *la,
506 int __osd_object_create(const struct lu_env *env, struct osd_object *obj,
507 dnode_t **dnp, dmu_tx_t *tx, struct lu_attr *la);
508 int __osd_attr_init(const struct lu_env *env, struct osd_device *osd,
509 sa_handle_t *sa_hdl, dmu_tx_t *tx,
510 struct lu_attr *la, uint64_t parent, nvlist_t *);
513 int osd_oi_init(const struct lu_env *env, struct osd_device *o);
514 void osd_oi_fini(const struct lu_env *env, struct osd_device *o);
515 int osd_fid_lookup(const struct lu_env *env,
516 struct osd_device *, const struct lu_fid *, uint64_t *);
517 uint64_t osd_get_name_n_idx(const struct lu_env *env, struct osd_device *osd,
518 const struct lu_fid *fid, char *buf, int bufsize,
520 int osd_options_init(void);
521 int osd_ost_seq_exists(const struct lu_env *env, struct osd_device *osd,
523 int osd_idc_find_and_init(const struct lu_env *env, struct osd_device *osd,
524 struct osd_object *obj);
525 struct osd_idmap_cache *osd_idc_find_or_init(const struct lu_env *env,
526 struct osd_device *osd,
527 const struct lu_fid *fid);
528 struct osd_idmap_cache *osd_idc_find(const struct lu_env *env,
529 struct osd_device *osd,
530 const struct lu_fid *fid);
533 int osd_index_try(const struct lu_env *env, struct dt_object *dt,
534 const struct dt_index_features *feat);
535 int osd_fld_lookup(const struct lu_env *env, struct osd_device *osd,
536 u64 seq, struct lu_seq_range *range);
537 void osd_zap_cursor_init_serialized(zap_cursor_t *zc, struct objset *os,
538 uint64_t id, uint64_t dirhash);
539 int osd_zap_cursor_init(zap_cursor_t **zc, struct objset *os,
540 uint64_t id, uint64_t dirhash);
541 void osd_zap_cursor_fini(zap_cursor_t *zc);
542 uint64_t osd_zap_cursor_serialize(zap_cursor_t *zc);
543 int osd_remote_fid(const struct lu_env *env, struct osd_device *osd,
544 const struct lu_fid *fid);
547 int __osd_sa_xattr_schedule_update(const struct lu_env *env,
548 struct osd_object *obj,
549 struct osd_thandle *oh);
550 int __osd_sa_attr_init(const struct lu_env *env, struct osd_object *obj,
551 struct osd_thandle *oh);
552 int __osd_sa_xattr_update(const struct lu_env *env, struct osd_object *obj,
553 struct osd_thandle *oh);
554 int __osd_xattr_load(struct osd_device *osd, sa_handle_t *hdl,
556 int __osd_xattr_get_large(const struct lu_env *env, struct osd_device *osd,
557 uint64_t xattr, struct lu_buf *buf,
558 const char *name, int *sizep);
559 int osd_xattr_get(const struct lu_env *env, struct dt_object *dt,
560 struct lu_buf *buf, const char *name);
561 int osd_declare_xattr_set(const struct lu_env *env, struct dt_object *dt,
562 const struct lu_buf *buf, const char *name,
563 int fl, struct thandle *handle);
564 int osd_xattr_set(const struct lu_env *env, struct dt_object *dt,
565 const struct lu_buf *buf, const char *name, int fl,
566 struct thandle *handle);
567 int osd_declare_xattr_del(const struct lu_env *env, struct dt_object *dt,
568 const char *name, struct thandle *handle);
569 int osd_xattr_del(const struct lu_env *env, struct dt_object *dt,
570 const char *name, struct thandle *handle);
571 void osd_declare_xattrs_destroy(const struct lu_env *env,
572 struct osd_object *obj,
573 struct osd_thandle *oh);
574 int osd_xattrs_destroy(const struct lu_env *env,
575 struct osd_object *obj, struct osd_thandle *oh);
576 int osd_xattr_list(const struct lu_env *env, struct dt_object *dt,
577 const struct lu_buf *lb);
578 void __osd_xattr_declare_set(const struct lu_env *env, struct osd_object *obj,
579 int vallen, const char *name, struct osd_thandle *oh);
580 int __osd_sa_xattr_set(const struct lu_env *env, struct osd_object *obj,
581 const struct lu_buf *buf, const char *name, int fl,
582 struct osd_thandle *oh);;
583 int __osd_xattr_set(const struct lu_env *env, struct osd_object *obj,
584 const struct lu_buf *buf, const char *name, int fl,
585 struct osd_thandle *oh);
586 int __osd_sa_xattr_update(const struct lu_env *env, struct osd_object *obj,
587 struct osd_thandle *oh);
589 osd_xattr_set_internal(const struct lu_env *env, struct osd_object *obj,
590 const struct lu_buf *buf, const char *name, int fl,
591 struct osd_thandle *oh)
595 if (unlikely(!dt_object_exists(&obj->oo_dt) || obj->oo_destroyed))
599 if (osd_obj2dev(obj)->od_xattr_in_sa) {
600 rc = __osd_sa_xattr_set(env, obj, buf, name, fl, oh);
602 rc = __osd_xattr_set(env, obj, buf, name, fl, oh);
604 rc = __osd_xattr_set(env, obj, buf, name, fl, oh);
610 static inline uint64_t attrs_fs2zfs(const uint32_t flags)
612 return (flags & LUSTRE_APPEND_FL ? ZFS_APPENDONLY : 0) |
613 (flags & LUSTRE_NODUMP_FL ? ZFS_NODUMP : 0) |
614 (flags & LUSTRE_IMMUTABLE_FL ? ZFS_IMMUTABLE : 0);
617 static inline uint32_t attrs_zfs2fs(const uint64_t flags)
619 return (flags & ZFS_APPENDONLY ? LUSTRE_APPEND_FL : 0) |
620 (flags & ZFS_NODUMP ? LUSTRE_NODUMP_FL : 0) |
621 (flags & ZFS_IMMUTABLE ? LUSTRE_IMMUTABLE_FL : 0);
626 #ifndef HAVE_DSL_POOL_CONFIG
627 static inline void dsl_pool_config_enter(dsl_pool_t *dp, char *name)
631 static inline void dsl_pool_config_exit(dsl_pool_t *dp, char *name)
636 #ifdef HAVE_SPA_MAXBLOCKSIZE
637 #define osd_spa_maxblocksize(spa) spa_maxblocksize(spa)
638 #define osd_spa_maxblockshift(spa) fls64(spa_maxblocksize(spa) - 1)
640 #define osd_spa_maxblocksize(spa) SPA_MAXBLOCKSIZE
641 #define osd_spa_maxblockshift(spa) SPA_MAXBLOCKSHIFT
642 #define SPA_OLD_MAXBLOCKSIZE SPA_MAXBLOCKSIZE
645 #ifdef HAVE_SA_SPILL_ALLOC
647 osd_zio_buf_alloc(size_t size)
649 return sa_spill_alloc(KM_SLEEP);
653 osd_zio_buf_free(void *buf, size_t size)
658 #define osd_zio_buf_alloc(size) zio_buf_alloc(size)
659 #define osd_zio_buf_free(buf, size) zio_buf_free(buf, size)
662 #ifdef HAVE_DMU_OBJECT_ALLOC_DNSIZE
663 static inline uint64_t
664 osd_dmu_object_alloc(objset_t *os, dmu_object_type_t objtype, int blocksize,
665 int dnodesize, dmu_tx_t *tx)
668 dnodesize = MAX(dmu_objset_dnodesize(os), DNODE_MIN_SIZE);
670 return dmu_object_alloc_dnsize(os, objtype, blocksize, DMU_OT_SA,
671 DN_BONUS_SIZE(dnodesize), dnodesize, tx);
674 static inline uint64_t
675 osd_zap_create_flags(objset_t *os, int normflags, zap_flags_t flags,
676 dmu_object_type_t ot, int leaf_blockshift,
677 int indirect_blockshift, int dnodesize, dmu_tx_t *tx)
680 dnodesize = MAX(dmu_objset_dnodesize(os), DNODE_MIN_SIZE);
682 return zap_create_flags_dnsize(os, normflags, flags, ot,
683 leaf_blockshift, indirect_blockshift,
684 DMU_OT_SA, DN_BONUS_SIZE(dnodesize),
689 osd_obj_bonuslen(struct osd_object *obj)
691 int bonuslen = DN_BONUS_SIZE(DNODE_MIN_SIZE);
693 if (obj->oo_dn != NULL && obj->oo_dn->dn_num_slots != 0) {
694 bonuslen = DN_SLOTS_TO_BONUSLEN(obj->oo_dn->dn_num_slots);
696 objset_t *os = osd_dtobj2objset(&obj->oo_dt);
700 dnodesize = dmu_objset_dnodesize(os);
702 bonuslen = DN_BONUS_SIZE(dnodesize);
709 static inline uint64_t
710 osd_dmu_object_alloc(objset_t *os, dmu_object_type_t objtype, int blocksize,
711 int dnodesize, dmu_tx_t *tx)
713 return dmu_object_alloc(os, objtype, blocksize, DMU_OT_SA,
714 DN_MAX_BONUSLEN, tx);
717 static inline uint64_t
718 osd_zap_create_flags(objset_t *os, int normflags, zap_flags_t flags,
719 dmu_object_type_t ot, int leaf_blockshift,
720 int indirect_blockshift, int dnodesize, dmu_tx_t *tx)
722 return zap_create_flags(os, normflags, flags, ot, leaf_blockshift,
723 indirect_blockshift, DMU_OT_SA,
724 DN_MAX_BONUSLEN, tx);
728 osd_obj_bonuslen(struct osd_object *obj)
730 return DN_MAX_BONUSLEN;
732 #endif /* HAVE_DMU_OBJECT_ALLOC_DNSIZE */
734 #ifdef HAVE_DMU_PREFETCH_6ARG
735 #define osd_dmu_prefetch(os, obj, lvl, off, len, pri) \
736 dmu_prefetch((os), (obj), (lvl), (off), (len), (pri))
738 #define osd_dmu_prefetch(os, obj, lvl, off, len, pri) \
739 dmu_prefetch((os), (obj), (lvl), (off))
742 static inline int osd_sa_handle_get(struct osd_object *obj)
744 struct osd_device *osd = osd_obj2dev(obj);
745 dnode_t *dn = obj->oo_dn;
751 dbuf_read(dn->dn_bonus, NULL, DB_RF_MUST_SUCCEED | DB_RF_NOPREFETCH);
752 rc = -sa_handle_get_from_db(osd->od_os, &dn->dn_bonus->db, obj,
753 SA_HDL_PRIVATE, &obj->oo_sa_hdl);
756 refcount_add(&dn->dn_bonus->db_holds, osd_obj_tag);
760 static inline void osd_dnode_rele(dnode_t *dn)
764 LASSERT(dn->dn_bonus);
768 dmu_buf_rele(&db->db, osd_obj_tag);
771 #ifdef HAVE_DMU_USEROBJ_ACCOUNTING
773 #define OSD_DMU_USEROBJ_PREFIX DMU_OBJACCT_PREFIX
774 #define OSD_DMU_USEROBJ_PREFIX_LEN DMU_OBJACCT_PREFIX_LEN
776 static inline bool osd_dmu_userobj_accounting_available(struct osd_device *osd)
778 if (unlikely(dmu_objset_userobjspace_upgradable(osd->od_os)))
779 dmu_objset_userobjspace_upgrade(osd->od_os);
781 return dmu_objset_userobjspace_present(osd->od_os);
785 #define OSD_DMU_USEROBJ_PREFIX "obj-"
786 #define OSD_DMU_USEROBJ_PREFIX_LEN 4
788 static inline bool osd_dmu_userobj_accounting_available(struct osd_device *osd)
792 #endif /* #ifdef HAVE_DMU_USEROBJ_ACCOUNTING */
794 static inline int osd_zap_add(struct osd_device *osd, uint64_t zap,
795 dnode_t *dn, const char *key,
796 int int_size, int int_num,
797 const void *val, dmu_tx_t *tx)
801 #ifdef HAVE_ZAP_ADD_BY_DNODE
803 return -zap_add_by_dnode(dn, key, int_size, int_num, val, tx);
805 return -zap_add(osd->od_os, zap, key, int_size, int_num, val, tx);
808 static inline int osd_zap_remove(struct osd_device *osd, uint64_t zap,
809 dnode_t *dn, const char *key,
814 #ifdef HAVE_ZAP_ADD_BY_DNODE
816 return -zap_remove_by_dnode(dn, key, tx);
818 return -zap_remove(osd->od_os, zap, key, tx);
822 static inline int osd_zap_lookup(struct osd_device *osd, uint64_t zap,
823 dnode_t *dn, const char *key,
824 int int_size, int int_num, void *v)
828 #ifdef HAVE_ZAP_ADD_BY_DNODE
830 return -zap_lookup_by_dnode(dn, key, int_size, int_num, v);
832 return -zap_lookup(osd->od_os, zap, key, int_size, int_num, v);
835 static inline void osd_tx_hold_zap(dmu_tx_t *tx, uint64_t zap,
836 dnode_t *dn, int add, const char *name)
838 #ifdef HAVE_DMU_TX_HOLD_ZAP_BY_DNODE
840 dmu_tx_hold_zap_by_dnode(tx, dn, add, name);
844 dmu_tx_hold_zap(tx, zap, add, name);
847 static inline void osd_tx_hold_write(dmu_tx_t *tx, uint64_t oid,
848 dnode_t *dn, uint64_t off, int len)
850 #ifdef HAVE_DMU_TX_HOLD_ZAP_BY_DNODE
852 dmu_tx_hold_write_by_dnode(tx, dn, off, len);
856 dmu_tx_hold_write(tx, oid, off, len);
859 static inline void osd_dmu_write(struct osd_device *osd, dnode_t *dn,
860 uint64_t offset, uint64_t size,
861 const char *buf, dmu_tx_t *tx)
864 #ifdef HAVE_DMU_WRITE_BY_DNODE
865 dmu_write_by_dnode(dn, offset, size, buf, tx);
867 dmu_write(osd->od_os, dn->dn_object, offset, size, buf, tx);
871 static inline int osd_dmu_read(struct osd_device *osd, dnode_t *dn,
872 uint64_t offset, uint64_t size,
873 char *buf, int flags)
876 #ifdef HAVE_DMU_READ_BY_DNODE
877 return -dmu_read_by_dnode(dn, offset, size, buf, flags);
879 return -dmu_read(osd->od_os, dn->dn_object, offset, size, buf, flags);
883 #endif /* _OSD_INTERNAL_H */