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) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Use is subject to license terms.
26 * Copyright (c) 2011, 2017, Intel Corporation.
29 * This file is part of Lustre, http://www.lustre.org/
31 * lustre/osd/osd_internal.h
33 * Shared definitions and declarations for osd module
35 * Author: Nikita Danilov <nikita@clusterfs.com>
38 #ifndef _OSD_INTERNAL_H
39 #define _OSD_INTERNAL_H
43 #include <linux/mutex.h>
44 /* struct rw_semaphore */
45 #include <linux/rwsem.h>
47 #include <linux/dcache.h>
49 #include <linux/dirent.h>
50 #include <linux/statfs.h>
51 #include <linux/bio.h>
52 #include <ldiskfs/ldiskfs.h>
53 #include <ldiskfs/ldiskfs_jbd2.h>
57 /* class_register_type(), class_unregister_type() */
58 #include <obd_class.h>
59 #include <lustre_disk.h>
60 #include <dt_object.h>
61 #include <lustre_quota.h>
65 #include "osd_scrub.h"
66 #include "osd_quota_fmt.h"
69 extern struct kmem_cache *dynlock_cachep;
71 #define OSD_COUNTERS (0)
73 /* ldiskfs special inode::i_state_flags need to be accessed with
74 * ldiskfs_{set,clear,test}_inode_state() only */
76 /* OI scrub should skip this inode. */
77 #define LDISKFS_STATE_LUSTRE_NOSCRUB 31
78 #define LDISKFS_STATE_LUSTRE_DESTROY 30
80 /** Enable thandle usage statistics */
81 #define OSD_THANDLE_STATS (0)
83 #define MAX_OBJID_GROUP (FID_SEQ_ECHO + 1)
85 #define OBJECTS "OBJECTS"
86 #define ADMIN_USR "admin_quotafile_v2.usr"
87 #define ADMIN_GRP "admin_quotafile_v2.grp"
89 /* Statfs space reservation for fragmentation and local objects */
90 #define OSD_STATFS_RESERVED (1ULL << 23) /* 8MB */
91 #define OSD_STATFS_RESERVED_SHIFT (7) /* reserve 0.78% of all space */
93 /* Default extent bytes when declaring write commit */
94 #define OSD_DEFAULT_EXTENT_BYTES (1U << 20)
96 /* check if ldiskfs support project quota */
97 #ifndef LDISKFS_IOC_FSSETXATTR
98 #undef HAVE_PROJECT_QUOTA
101 #define OBD_BRW_MAPPED OBD_BRW_LOCAL1
103 struct osd_directory {
104 struct iam_container od_container;
105 struct iam_descr od_descr;
109 * Object Index (oi) instance.
113 * underlying index object, where fid->id mapping in stored.
115 struct inode *oi_inode;
116 struct osd_directory oi_dir;
119 extern const int osd_dto_credits_noquota[];
122 struct dt_object oo_dt;
124 * Inode for file system object represented by this osd_object. This
125 * inode is pinned for the whole duration of lu_object life.
127 * Not modified concurrently (either setup early during object
128 * creation, or assigned by osd_create() under write lock).
130 struct inode *oo_inode;
132 * to protect index ops.
134 struct htree_lock_head *oo_hl_head;
135 struct rw_semaphore oo_ext_idx_sem;
136 struct rw_semaphore oo_sem;
137 struct osd_directory *oo_dir;
138 /** protects inode attributes. */
142 * Following two members *compat_dot* are used to indicate
143 * the presence of dot and dotdot in the given directory.
144 * This is required for interop mode (b11826).
146 __u32 oo_destroyed:1,
148 oo_compat_dot_created:1,
149 oo_compat_dotdot_created:1;
151 /* the i_flags in LMA */
154 const struct lu_env *oo_owner;
156 struct list_head oo_xattr_list;
157 struct lu_object_header *oo_header;
158 __u64 oo_dirent_count;
162 /* protects on-fly initialization */
163 int oos_subdir_count; /* subdir count for each seq */
164 struct dentry *oos_root; /* O/<seq> */
165 struct dentry **oos_dirs; /* O/<seq>/d0-dXX */
166 u64 oos_seq; /* seq number */
167 struct list_head oos_seq_list; /* list to seq_list */
171 struct dentry *om_root; /* dentry for /O */
172 rwlock_t om_seq_list_lock; /* lock for seq_list */
173 struct list_head om_seq_list; /* list head for seq */
175 struct mutex om_dir_init_mutex;
179 struct dentry *om_root; /* AGENT/<index> */
180 u64 om_index; /* mdt index */
181 struct list_head om_list; /* list to omm_list */
184 struct osd_mdobj_map {
185 struct dentry *omm_remote_parent;
187 int osd_ldiskfs_add_entry(struct osd_thread_info *info, struct osd_device *osd,
188 handle_t *handle, struct dentry *child,
189 struct inode *inode, struct htree_lock *hlock);
191 #define OSD_OTABLE_IT_CACHE_SIZE 64
192 #define OSD_OTABLE_IT_CACHE_MASK (~(OSD_OTABLE_IT_CACHE_SIZE - 1))
194 struct osd_inconsistent_item {
195 /* link into lustre_scrub::os_inconsistent_items,
196 * protected by lustre_scrub::os_lock. */
197 struct list_head oii_list;
199 /* The right FID <=> ino#/gen mapping. */
200 struct osd_idmap_cache oii_cache;
202 unsigned int oii_insert:1; /* insert or update mapping. */
205 struct osd_otable_cache {
206 struct osd_idmap_cache ooc_cache[OSD_OTABLE_IT_CACHE_SIZE];
208 /* Index for next cache slot to be filled. */
209 int ooc_producer_idx;
211 /* Index for next cache slot to be returned by it::next(). */
212 int ooc_consumer_idx;
214 /* How many items in ooc_cache. */
215 __u64 ooc_cached_items;
217 /* Position for up layer LFSCK iteration pre-loading. */
218 __u64 ooc_pos_preload;
221 struct osd_otable_it {
222 struct osd_device *ooi_dev;
223 struct osd_otable_cache ooi_cache;
224 struct osd_iit_param ooi_iit_param;
226 /* The following bits can be updated/checked w/o lock protection.
227 * If more bits will be introduced in the future and need lock to
228 * protect, please add comment. */
229 unsigned long ooi_used_outside:1, /* Some user out of OSD
230 * uses the iteration. */
231 ooi_all_cached:1, /* No more entries can be
232 * filled into cache. */
233 ooi_user_ready:1, /* The user out of OSD is
234 * ready to iterate. */
235 ooi_waiting:1; /* it::next is waiting. */
238 struct osd_obj_orphan {
239 struct list_head oor_list;
240 struct lu_env *oor_env; /* to identify "own" records */
245 OSD_T10_TYPE_UNKNOWN = 0,
257 struct dt_device od_dt_dev;
258 /* information about underlying file system */
259 struct vfsmount *od_mnt;
261 struct osd_oi **od_oi_table;
262 /* total number of OI containers */
267 unsigned int od_fl_capa:1,
276 od_writethrough_cache:1,
280 __s64 od_auto_scrub_interval;
281 __u32 od_dirent_journal;
283 struct proc_dir_entry *od_proc_entry;
284 struct lprocfs_stats *od_stats;
286 spinlock_t od_osfs_lock;
288 int od_fallocate_zero_blocks;
290 struct lu_site od_site;
292 struct osd_obj_map *od_ost_map;
293 struct osd_mdobj_map *od_mdt_map;
295 /* objects with size > od_readcache_max_filesize will be
296 * served bypassing pagecache unless already cached */
297 unsigned long long od_readcache_max_filesize;
299 /* reads > od_readcache_max_iosize will be
300 * served bypassing pagecache unless already cached */
301 unsigned long od_readcache_max_iosize;
303 /* writes > od_writethough_max_iosize will be
304 * served bypassing pagecache unless already cached */
305 unsigned long od_writethrough_max_iosize;
307 struct brw_stats od_brw_stats;
308 atomic_t od_r_in_flight;
309 atomic_t od_w_in_flight;
311 struct mutex od_otable_mutex;
312 struct osd_otable_it *od_otable_it;
313 struct osd_scrub od_scrub;
314 struct list_head od_ios_list;
316 /* service name associated with the osd device */
317 char od_svname[MAX_OBD_NAME];
318 char od_mntdev[MAX_OBD_NAME];
321 /* quota slave instance for inode */
322 struct qsd_instance *od_quota_slave_md;
324 /* quota slave instance for block */
325 struct qsd_instance *od_quota_slave_dt;
327 /* osd seq instance */
328 struct lu_client_seq *od_cl_seq;
329 /* If the ratio of "the total OI mappings count" vs
330 * "the bad OI mappings count" is lower than the
331 * osd_device::od_full_scrub_ratio, then trigger
332 * OI scrub to scan the whole the device. */
333 __u64 od_full_scrub_ratio;
334 /* If the speed of found bad OI mappings (per minute)
335 * exceeds the osd_device::od_full_scrub_threshold_rate,
336 * then trigger OI scrub to scan the whole device. */
337 __u64 od_full_scrub_threshold_rate;
339 /* a list of orphaned agent inodes, protected with od_osfs_lock */
340 struct list_head od_orphan_list;
341 struct list_head od_index_backup_list;
342 struct list_head od_index_restore_list;
344 struct inode *od_index_backup_inode;
345 enum lustre_index_backup_policy od_index_backup_policy;
346 int od_index_backup_stop;
347 /* T10PI type, zero if not supported */
348 enum osd_t10_type od_t10_type;
349 atomic_t od_commit_cb_in_flight;
350 wait_queue_head_t od_commit_cb_done;
351 unsigned int __percpu *od_extent_bytes_percpu;
354 static inline struct qsd_instance *osd_def_qsd(struct osd_device *osd)
357 return osd->od_quota_slave_dt;
359 return osd->od_quota_slave_md;
362 enum osd_full_scrub_ratio {
363 /* Trigger OI scrub to scan the whole device directly. */
366 /* Because the bad OI mappings count cannot be larger than
367 * the total OI mappints count, then setting OFSR_NEVER means
368 * that the whole device scanning cannot be triggered by auto
369 * detected bad OI mappings during the RPC services. */
371 OFSR_DEFAULT = 10000,
374 #define FULL_SCRUB_THRESHOLD_RATE_DEFAULT 60
376 /* There are at most 15 uid/gid/projids are affected in a transaction, and
377 * that's rename case:
378 * - 3 for source parent uid & gid & projid;
379 * - 3 for source child uid & gid & projid ('..' entry update when
380 * child is directory);
381 * - 3 for target parent uid & gid & projid;
382 * - 3 for target child uid & gid & projid(if the target child exists);
383 * - 3 for root uid & gid(last_rcvd, llog, etc);
386 #define OSD_MAX_UGID_CNT 15
404 struct osd_access_lock {
405 struct list_head tl_list;
406 struct osd_object *tl_obj;
416 struct thandle ot_super;
418 struct ldiskfs_journal_cb_entry ot_jcb;
419 struct list_head ot_commit_dcb_list;
420 struct list_head ot_stop_dcb_list;
421 /* Link to the device, for debugging. */
422 struct lu_ref_link ot_dev_link;
423 unsigned int ot_credits;
424 unsigned int oh_declared_ext;
426 /* quota IDs related to the transaction */
427 unsigned short ot_id_cnt;
428 __u8 ot_id_res[OSD_MAX_UGID_CNT];
429 __u8 ot_id_types[OSD_MAX_UGID_CNT];
430 uid_t ot_id_array[OSD_MAX_UGID_CNT];
431 struct lquota_trans *ot_quota_trans;
433 unsigned int ot_remove_agents:1;
434 #if OSD_THANDLE_STATS
435 /** time when this handle was allocated */
438 /** time when this thanle was started */
441 struct list_head ot_trunc_locks;
445 * Basic transaction credit op
466 #ifdef CONFIG_PROC_FS
468 LPROC_OSD_READ_BYTES = 0,
469 LPROC_OSD_WRITE_BYTES = 1,
470 LPROC_OSD_GET_PAGE = 2,
471 LPROC_OSD_NO_PAGE = 3,
472 LPROC_OSD_CACHE_ACCESS = 4,
473 LPROC_OSD_CACHE_HIT = 5,
474 LPROC_OSD_CACHE_MISS = 6,
476 #if OSD_THANDLE_STATS
477 LPROC_OSD_THANDLE_STARTING,
478 LPROC_OSD_THANDLE_OPEN,
479 LPROC_OSD_THANDLE_CLOSING,
486 * Storage representation for fids.
488 * Variable size, first byte contains the length of the whole record.
490 struct osd_fid_pack {
491 unsigned char fp_len;
492 char fp_area[sizeof(struct lu_fid)];
495 struct osd_it_ea_dirent {
496 struct lu_fid oied_fid;
499 unsigned short oied_namelen;
500 unsigned int oied_type;
502 } __attribute__((packed));
505 * as osd_it_ea_dirent (in memory dirent struct for osd) is greater
506 * than lu_dirent struct. osd readdir reads less number of dirent than
507 * required for mdd dir page. so buffer size need to be increased so that
508 * there would be one ext3 readdir for every mdd readdir page.
511 #define OSD_IT_EA_BUFSIZE (PAGE_SIZE + PAGE_SIZE/4)
514 * This is iterator's in-memory data structure in interoperability
515 * mode (i.e. iterator over ldiskfs style directory)
518 struct osd_object *oie_obj;
519 /** used in ldiskfs iterator, to stored file pointer */
520 struct file oie_file;
521 /** how many entries have been read-cached from storage */
523 /** current entry is being iterated by caller */
525 /** current processing entry */
526 struct osd_it_ea_dirent *oie_dirent;
527 /** buffer to hold entries, size == OSD_IT_EA_BUFSIZE */
529 struct dentry oie_dentry;
533 * Iterator's in-memory data structure for IAM mode.
536 struct osd_object *oi_obj;
537 struct iam_path_descr *oi_ipd;
538 struct iam_iterator oi_it;
541 struct osd_quota_leaf {
542 struct list_head oql_link;
547 * Iterator's in-memory data structure for quota file.
549 struct osd_it_quota {
550 struct osd_object *oiq_obj;
551 /** tree blocks path to where the entry is stored */
552 uint oiq_blk[LUSTRE_DQTREEDEPTH + 1];
553 /** on-disk offset for current key where quota record can be found */
555 /** identifier for current quota record */
557 /** the record index in the leaf/index block */
558 uint oiq_index[LUSTRE_DQTREEDEPTH + 1];
559 /** list of already processed leaf blocks */
560 struct list_head oiq_list;
563 #define MAX_BLOCKS_PER_PAGE (PAGE_SIZE / 512)
566 wait_queue_head_t dr_wait;
567 atomic_t dr_numreqs; /* number of reqs being processed */
572 unsigned int dr_elapsed_valid:1; /* we really did count time */
573 unsigned int dr_rw:1;
574 struct lu_buf dr_pg_buf;
575 struct page **dr_pages;
576 struct niobuf_local **dr_lnbs;
577 struct lu_buf dr_bl_buf;
578 struct lu_buf dr_lnb_buf;
580 ktime_t dr_start_time;
581 ktime_t dr_elapsed; /* how long io took */
582 struct osd_device *dr_dev;
583 unsigned int dr_init_at; /* the line iobuf was initialized */
586 int osd_security_file_alloc(struct file *file);
588 #define osd_dirty_inode(inode, flag) (inode)->i_sb->s_op->dirty_inode((inode), flag)
590 #ifdef HAVE_INODE_TIMESPEC64
591 # define osd_timespec timespec64
593 # define osd_timespec timespec
596 static inline struct osd_timespec osd_inode_time(struct inode *inode,
599 struct osd_timespec ts = { .tv_sec = seconds };
604 #define OSD_INS_CACHE_SIZE 8
606 struct osd_thread_info {
607 const struct lu_env *oti_env;
609 * used for index operations.
611 struct dentry oti_obj_dentry;
612 struct dentry oti_child_dentry;
614 /** dentry for Iterator context. */
615 struct dentry oti_it_dentry;
618 /* fake struct file for osd_object_sync */
619 struct file oti_file;
621 struct kstatfs oti_ksfs;
624 struct htree_lock *oti_hlock;
626 struct lu_fid oti_fid;
627 struct lu_fid oti_fid2;
628 struct lu_fid oti_fid3;
629 struct osd_inode_id oti_id;
630 struct osd_inode_id oti_id2;
631 struct osd_inode_id oti_id3;
632 struct ost_id oti_ostid;
635 * following ipd and it structures are used for osd_index_iam_lookup()
636 * these are defined separately as we might do index operation
637 * in open iterator session.
640 /** pre-allocated buffer used by oti_it_ea, size OSD_IT_EA_BUFSIZE */
642 unsigned int oti_it_ea_buf_used:1;
644 /* IAM iterator for index operation. */
645 struct iam_iterator oti_idx_it;
647 /** union to guarantee that ->oti_ipd[] has proper alignment. */
650 char oti_it_ipd[DX_IPD_MAX_SIZE];
651 long long oti_alignment_lieutenant;
655 char oti_idx_ipd[DX_IPD_MAX_SIZE];
656 long long oti_alignment_lieutenant_colonel;
659 struct osd_idmap_cache oti_cache;
661 /* dedicated OI cache for insert (which needs inum) */
662 struct osd_idmap_cache *oti_ins_cache;
663 int oti_ins_cache_size;
664 int oti_ins_cache_used;
665 /* inc by osd_trans_create and dec by osd_trans_stop */
666 int oti_ins_cache_depth;
671 /** used in osd_fid_set() to put xattr */
672 struct lu_buf oti_buf;
673 struct lu_buf oti_big_buf;
674 /** used in osd_ea_fid_set() to set fid into common ea */
676 struct lustre_ost_attrs oti_ost_attrs;
677 struct filter_fid_18_23 oti_ff_old;
678 struct filter_fid oti_ff;
681 struct osd_iobuf oti_iobuf;
682 /* used to access objects in /O */
683 struct inode *oti_inode;
684 #define OSD_FID_REC_SZ 32
685 char oti_ldp[OSD_FID_REC_SZ];
686 char oti_ldp2[OSD_FID_REC_SZ];
688 /* used by quota code */
690 #if defined(HAVE_DQUOT_QC_DQBLK)
691 struct qc_dqblk oti_qdq;
693 struct fs_disk_quota oti_fdq;
695 struct if_dqinfo oti_dqinfo;
697 struct lquota_id_info oti_qi;
698 struct lquota_trans oti_quota_trans;
699 union lquota_rec oti_quota_rec;
701 struct lu_seq_range oti_seq_range;
703 /* Tracking for transaction credits, to allow debugging and optimizing
704 * cases where a large number of credits are being allocated for
705 * single transaction. */
706 unsigned int oti_credits_before;
707 unsigned int oti_declare_ops[OSD_OT_MAX];
708 unsigned int oti_declare_ops_cred[OSD_OT_MAX];
709 unsigned int oti_declare_ops_used[OSD_OT_MAX];
710 struct osd_directory oti_iam;
712 struct page **oti_dio_pages;
713 int oti_dio_pages_used;
716 extern int ldiskfs_pdo;
718 /* autoconf test is in lustre-build-ldiskfs.m4 */
719 #ifdef HAVE_BVEC_ITER_ALL
720 #define DECLARE_BVEC_ITER_ALL(iter) struct bvec_iter_all iter
722 #define DECLARE_BVEC_ITER_ALL(iter) int iter
725 static inline int __osd_xattr_get(struct inode *inode, struct dentry *dentry,
726 const char *name, void *buf, int len)
731 dentry->d_inode = inode;
732 dentry->d_sb = inode->i_sb;
733 return ll_vfs_getxattr(dentry, inode, name, buf, len);
736 static inline int __osd_xattr_set(struct osd_thread_info *info,
737 struct inode *inode, const char *name,
738 const void *buf, int buflen, int fl)
740 struct dentry *dentry = &info->oti_child_dentry;
742 dquot_initialize(inode);
743 dentry->d_inode = inode;
744 dentry->d_sb = inode->i_sb;
745 return ll_vfs_setxattr(dentry, inode, name, buf, buflen, fl);
748 #ifdef CONFIG_PROC_FS
750 extern struct lprocfs_vars lprocfs_osd_obd_vars[];
751 int osd_procfs_init(struct osd_device *osd, const char *name);
752 int osd_procfs_fini(struct osd_device *osd);
753 void osd_brw_stats_update(struct osd_device *osd, struct osd_iobuf *iobuf);
754 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 52, 0)
755 int osd_register_proc_index_in_idif(struct osd_device *osd);
759 int osd_statfs(const struct lu_env *env, struct dt_device *dev,
760 struct obd_statfs *sfs, struct obd_statfs_info *info);
761 struct inode *osd_iget(struct osd_thread_info *info, struct osd_device *dev,
762 struct osd_inode_id *id);
764 osd_iget_fid(struct osd_thread_info *info, struct osd_device *dev,
765 struct osd_inode_id *id, struct lu_fid *fid);
766 int osd_ea_fid_set(struct osd_thread_info *info, struct inode *inode,
767 const struct lu_fid *fid, __u32 compat, __u32 incompat);
768 int osd_get_lma(struct osd_thread_info *info, struct inode *inode,
769 struct dentry *dentry, struct lustre_ost_attrs *loa);
770 void osd_add_oi_cache(struct osd_thread_info *info, struct osd_device *osd,
771 struct osd_inode_id *id, const struct lu_fid *fid);
772 int osd_get_idif(struct osd_thread_info *info, struct inode *inode,
773 struct dentry *dentry, struct lu_fid *fid);
775 int osd_obj_map_init(const struct lu_env *env, struct osd_device *osd);
776 void osd_obj_map_fini(struct osd_device *dev);
777 int osd_obj_map_lookup(struct osd_thread_info *info, struct osd_device *osd,
778 const struct lu_fid *fid, struct osd_inode_id *id);
779 int osd_obj_map_insert(struct osd_thread_info *info, struct osd_device *osd,
780 const struct lu_fid *fid, const struct osd_inode_id *id,
782 int osd_obj_map_delete(struct osd_thread_info *info, struct osd_device *osd,
783 const struct lu_fid *fid, handle_t *th);
784 int osd_obj_map_update(struct osd_thread_info *info, struct osd_device *osd,
785 const struct lu_fid *fid, const struct osd_inode_id *id,
787 int osd_obj_map_recover(struct osd_thread_info *info, struct osd_device *osd,
788 struct inode *src_parent, struct dentry *src_child,
789 const struct lu_fid *fid);
790 int osd_obj_spec_lookup(struct osd_thread_info *info, struct osd_device *osd,
791 const struct lu_fid *fid, struct osd_inode_id *id,
792 enum oi_check_flags flags);
793 int osd_obj_spec_insert(struct osd_thread_info *info, struct osd_device *osd,
794 const struct lu_fid *fid, const struct osd_inode_id *id,
796 int osd_obj_spec_update(struct osd_thread_info *info, struct osd_device *osd,
797 const struct lu_fid *fid, const struct osd_inode_id *id,
800 char *osd_lf_fid2name(const struct lu_fid *fid);
801 int osd_scrub_start(const struct lu_env *env, struct osd_device *dev,
803 void osd_scrub_stop(struct osd_device *dev);
804 int osd_scrub_setup(const struct lu_env *env, struct osd_device *dev,
806 void osd_scrub_cleanup(const struct lu_env *env, struct osd_device *dev);
807 int osd_oii_insert(struct osd_device *dev, const struct lu_fid *fid,
808 struct osd_inode_id *id, int insert);
809 int osd_oii_lookup(struct osd_device *dev, const struct lu_fid *fid,
810 struct osd_inode_id *id);
811 void osd_scrub_dump(struct seq_file *m, struct osd_device *dev);
813 struct dentry *osd_lookup_one_len_unlocked(struct osd_device *dev,
815 struct dentry *base, int len);
816 struct dentry *osd_lookup_one_len(struct osd_device *dev, const char *name,
817 struct dentry *base, int len);
819 int osd_fld_lookup(const struct lu_env *env, struct osd_device *osd,
820 u64 seq, struct lu_seq_range *range);
822 int osd_delete_from_remote_parent(const struct lu_env *env,
823 struct osd_device *osd,
824 struct osd_object *obj,
825 struct osd_thandle *oh, bool destroy);
826 int osd_add_to_remote_parent(const struct lu_env *env, struct osd_device *osd,
827 struct osd_object *obj, struct osd_thandle *oh);
828 int osd_lookup_in_remote_parent(struct osd_thread_info *oti,
829 struct osd_device *osd,
830 const struct lu_fid *fid,
831 struct osd_inode_id *id);
833 int osd_ost_seq_exists(struct osd_thread_info *info, struct osd_device *osd,
835 int osd_scrub_refresh_mapping(struct osd_thread_info *info,
836 struct osd_device *dev,
837 const struct lu_fid *fid,
838 const struct osd_inode_id *id,
840 enum oi_check_flags flags, bool *exist);
842 /* osd_quota_fmt.c */
843 int walk_tree_dqentry(const struct lu_env *env, struct osd_object *obj,
844 int type, uint blk, int depth, uint index,
845 struct osd_it_quota *it);
846 int walk_block_dqentry(const struct lu_env *env, struct osd_object *obj,
847 int type, uint blk, uint index,
848 struct osd_it_quota *it);
849 loff_t find_tree_dqentry(const struct lu_env *env,
850 struct osd_object *obj, int type,
851 qid_t dqid, uint blk, int depth,
852 struct osd_it_quota *it);
854 int osd_declare_qid(const struct lu_env *env, struct osd_thandle *oh,
855 struct lquota_id_info *qi, struct osd_object *obj,
856 bool enforce, enum osd_quota_local_flags *local_flags);
857 int osd_declare_inode_qid(const struct lu_env *env, qid_t uid, qid_t gid,
858 __u32 projid, long long space, struct osd_thandle *oh,
859 struct osd_object *obj,
860 enum osd_quota_local_flags *local_flags,
861 enum osd_qid_declare_flags);
862 const struct dt_rec *osd_quota_pack(struct osd_object *obj,
863 const struct dt_rec *rec,
864 union lquota_rec *quota_rec);
865 void osd_quota_unpack(struct osd_object *obj, const struct dt_rec *rec);
867 #ifdef HAVE_PROJECT_QUOTA
868 static inline __u32 i_projid_read(struct inode *inode)
870 return (__u32)from_kprojid(&init_user_ns, LDISKFS_I(inode)->i_projid);
873 static inline void i_projid_write(struct inode *inode, __u32 projid)
876 kprojid = make_kprojid(&init_user_ns, (projid_t)projid);
877 LDISKFS_I(inode)->i_projid = kprojid;
880 static inline uid_t i_projid_read(struct inode *inode)
884 static inline void i_projid_write(struct inode *inode, __u32 projid)
890 #ifdef HAVE_LDISKFS_IGET_WITH_FLAGS
891 # define osd_ldiskfs_iget(sb, ino) \
892 ldiskfs_iget((sb), (ino), \
893 LDISKFS_IGET_HANDLE | LDISKFS_IGET_SPECIAL)
895 # define osd_ldiskfs_iget(sb, ino) ldiskfs_iget((sb), (ino))
898 #ifdef HAVE_LDISKFS_INFO_JINODE
899 # define osd_attach_jinode(inode) ldiskfs_inode_attach_jinode(inode)
900 #else /* HAVE_LDISKFS_INFO_JINODE */
901 # define osd_attach_jinode(inode) 0
902 #endif /* HAVE_LDISKFS_INFO_JINODE */
904 #ifdef LDISKFS_HT_MISC
905 # define osd_journal_start_sb(sb, type, nblock) \
906 ldiskfs_journal_start_sb(sb, type, nblock)
907 static inline struct buffer_head *osd_ldiskfs_append(handle_t *handle,
909 ldiskfs_lblk_t *nblock)
913 rc = osd_attach_jinode(inode);
916 return ldiskfs_append(handle, inode, nblock);
919 # ifdef HAVE___LDISKFS_FIND_ENTRY
920 # define osd_ldiskfs_find_entry(dir, name, de, inlined, lock) \
921 (__ldiskfs_find_entry(dir, name, de, inlined, lock) ?: \
924 # define osd_ldiskfs_find_entry(dir, name, de, inlined, lock) \
925 (ldiskfs_find_entry_locked(dir, name, de, inlined, lock) ?: \
929 # define osd_journal_start(inode, type, nblocks) \
930 ldiskfs_journal_start(inode, type, nblocks)
931 # define osd_transaction_size(dev) \
932 (osd_journal(dev)->j_max_transaction_buffers / 2)
933 #else /* ! defined LDISKFS_HT_MISC */
934 # define LDISKFS_HT_MISC 0
935 # define osd_journal_start_sb(sb, type, nblock) \
936 ldiskfs_journal_start_sb(sb, nblock)
938 static inline struct buffer_head *osd_ldiskfs_append(handle_t *handle,
940 ldiskfs_lblk_t *nblock)
942 struct buffer_head *bh;
945 bh = ldiskfs_append(handle, inode, nblock, &err);
952 # ifdef HAVE___LDISKFS_FIND_ENTRY
953 # define osd_ldiskfs_find_entry(dir, name, de, inlined, lock) \
954 (__ldiskfs_find_entry(dir, name, de, lock) ?: \
957 # define osd_ldiskfs_find_entry(dir, name, de, inlined, lock) \
958 (ldiskfs_find_entry_locked(dir, name, de, lock) ?: \
961 # define osd_journal_start(inode, type, nblocks) \
962 ldiskfs_journal_start(inode, nblocks)
963 # define osd_transaction_size(dev) \
964 (osd_journal(dev)->j_max_transaction_buffers)
965 #endif /* LDISKFS_HT_MISC */
967 #ifndef HAVE___LDISKFS_FIND_ENTRY
968 # define __ldiskfs_add_entry(handle, child, inode, hlock) \
969 ldiskfs_add_entry_locked(handle, child, inode, hlock)
973 * Invariants, assertions.
977 * XXX: do not enable this, until invariant checking code is made thread safe
978 * in the face of pdirops locking.
980 #define OSD_INVARIANT_CHECKS (0)
982 #if OSD_INVARIANT_CHECKS
983 static inline int osd_invariant(const struct osd_object *obj)
987 ergo(obj->oo_inode != NULL,
988 obj->oo_inode->i_sb == osd_sb(osd_obj2dev(obj)) &&
989 atomic_read(&obj->oo_inode->i_count) > 0) &&
990 ergo(obj->oo_dir != NULL &&
991 obj->oo_dir->od_conationer.ic_object != NULL,
992 obj->oo_dir->od_conationer.ic_object == obj->oo_inode);
995 #define osd_invariant(obj) (1)
998 #define OSD_MAX_CACHE_SIZE OBD_OBJECT_EOF
999 #define OSD_READCACHE_MAX_IO_MB 8
1000 #define OSD_WRITECACHE_MAX_IO_MB 8
1002 extern const struct dt_index_operations osd_otable_ops;
1004 static inline int osd_oi_fid2idx(struct osd_device *dev,
1005 const struct lu_fid *fid)
1007 return fid->f_seq & (dev->od_oi_count - 1);
1010 static inline struct osd_oi *osd_fid2oi(struct osd_device *osd,
1011 const struct lu_fid *fid)
1013 LASSERTF(!fid_is_idif(fid), DFID"\n", PFID(fid));
1014 LASSERTF(!fid_is_last_id(fid), DFID"\n", PFID(fid));
1015 LASSERTF(osd->od_oi_table != NULL && osd->od_oi_count >= 1,
1016 DFID"\n", PFID(fid));
1017 /* It can work even od_oi_count equals to 1 although it's unexpected,
1018 * the only reason we set it to 1 is for performance measurement */
1019 return osd->od_oi_table[osd_oi_fid2idx(osd, fid)];
1022 extern const struct lu_device_operations osd_lu_ops;
1024 static inline int lu_device_is_osd(const struct lu_device *d)
1026 return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &osd_lu_ops);
1029 static inline struct osd_device *osd_dt_dev(const struct dt_device *d)
1031 LASSERT(lu_device_is_osd(&d->dd_lu_dev));
1032 return container_of(d, struct osd_device, od_dt_dev);
1035 static inline struct osd_device *osd_dev(const struct lu_device *d)
1037 LASSERT(lu_device_is_osd(d));
1038 return osd_dt_dev(container_of(d, struct dt_device, dd_lu_dev));
1041 static inline struct osd_device *osd_obj2dev(const struct osd_object *o)
1043 return osd_dev(o->oo_dt.do_lu.lo_dev);
1046 static inline struct super_block *osd_sb(const struct osd_device *dev)
1048 return dev->od_mnt->mnt_sb;
1051 static inline const char *osd_sb2name(const struct super_block *sb)
1053 /* this is LDISKFS_SB(sb), but preserves "const" */
1054 const struct ldiskfs_sb_info *sbi = sb->s_fs_info;
1056 return sbi->s_es->s_volume_name;
1059 static inline const char *osd_dev2name(const struct osd_device *dev)
1061 return osd_sb2name(osd_sb(dev));
1064 static inline const char *osd_ino2name(const struct inode *inode)
1066 return osd_sb2name(inode->i_sb);
1070 * Put the osd object once done with it.
1072 * \param obj osd object that needs to be put
1074 static inline void osd_object_put(const struct lu_env *env,
1075 struct osd_object *obj)
1077 dt_object_put(env, &obj->oo_dt);
1080 static inline int osd_object_is_root(const struct osd_object *obj)
1082 return obj->oo_inode && is_root_inode(obj->oo_inode);
1085 static inline struct osd_object *osd_obj(const struct lu_object *o)
1087 LASSERT(lu_device_is_osd(o->lo_dev));
1088 return container_of(o, struct osd_object, oo_dt.do_lu);
1091 static inline struct osd_object *osd_dt_obj(const struct dt_object *d)
1093 return osd_obj(&d->do_lu);
1096 static inline struct lu_device *osd2lu_dev(struct osd_device *osd)
1098 return &osd->od_dt_dev.dd_lu_dev;
1101 static inline journal_t *osd_journal(const struct osd_device *dev)
1103 return LDISKFS_SB(osd_sb(dev))->s_journal;
1106 static inline struct seq_server_site *osd_seq_site(struct osd_device *osd)
1108 return osd->od_dt_dev.dd_lu_dev.ld_site->ld_seq_site;
1111 static inline char *osd_name(struct osd_device *osd)
1113 return osd->od_svname;
1116 static inline bool osd_is_ea_inode(struct inode *inode)
1118 return !!(LDISKFS_I(inode)->i_flags & LDISKFS_EA_INODE_FL);
1121 extern const struct dt_body_operations osd_body_ops;
1122 extern struct lu_context_key osd_key;
1124 static inline struct osd_thread_info *osd_oti_get(const struct lu_env *env)
1126 return lu_context_key_get(&env->le_ctx, &osd_key);
1129 extern const struct dt_body_operations osd_body_ops_new;
1135 struct iam_path_descr *osd_it_ipd_get(const struct lu_env *env,
1136 const struct iam_container *bag)
1138 return bag->ic_descr->id_ops->id_ipd_alloc(bag,
1139 osd_oti_get(env)->oti_it_ipd);
1143 struct iam_path_descr *osd_idx_ipd_get(const struct lu_env *env,
1144 const struct iam_container *bag)
1146 return bag->ic_descr->id_ops->id_ipd_alloc(bag,
1147 osd_oti_get(env)->oti_idx_ipd);
1150 static inline void osd_ipd_put(const struct lu_env *env,
1151 const struct iam_container *bag,
1152 struct iam_path_descr *ipd)
1154 bag->ic_descr->id_ops->id_ipd_free(ipd);
1157 int osd_calc_bkmap_credits(struct super_block *sb, struct inode *inode,
1158 const loff_t size, const loff_t pos,
1161 int osd_ldiskfs_read(struct inode *inode, void *buf, int size, loff_t *offs);
1164 struct dentry *osd_child_dentry_by_inode(const struct lu_env *env,
1165 struct inode *inode,
1166 const char *name, const int namelen)
1168 struct osd_thread_info *info = osd_oti_get(env);
1169 struct dentry *child_dentry = &info->oti_child_dentry;
1170 struct dentry *obj_dentry = &info->oti_obj_dentry;
1172 obj_dentry->d_inode = inode;
1173 obj_dentry->d_sb = inode->i_sb;
1174 obj_dentry->d_name.hash = 0;
1176 child_dentry->d_name.hash = 0;
1177 child_dentry->d_parent = obj_dentry;
1178 child_dentry->d_name.name = name;
1179 child_dentry->d_name.len = namelen;
1180 return child_dentry;
1183 /* build quasi file structure when it is needed to call an inode i_fop */
1184 static inline struct file *osd_quasi_file_init(const struct lu_env *env,
1185 struct dentry *dentry,
1186 struct inode *inode)
1188 struct osd_thread_info *info = osd_oti_get(env);
1190 info->oti_file.f_path.dentry = dentry;
1191 info->oti_file.f_mapping = inode->i_mapping;
1192 info->oti_file.f_op = inode->i_fop;
1193 info->oti_file.f_inode = inode;
1194 info->oti_file.f_pos = 0;
1195 info->oti_file.private_data = NULL;
1196 info->oti_file.f_cred = current_cred();
1197 info->oti_file.f_flags = O_NOATIME;
1198 info->oti_file.f_mode = FMODE_64BITHASH | FMODE_NONOTIFY;
1200 return &info->oti_file;
1203 static inline struct file *osd_quasi_file(const struct lu_env *env,
1204 struct inode *inode)
1206 struct osd_thread_info *info = osd_oti_get(env);
1208 info->oti_obj_dentry.d_inode = inode;
1209 info->oti_obj_dentry.d_sb = inode->i_sb;
1211 return osd_quasi_file_init(env, &info->oti_obj_dentry, inode);
1214 static inline struct file *osd_quasi_file_by_dentry(const struct lu_env *env,
1215 struct dentry *dentry)
1217 return osd_quasi_file_init(env, dentry, dentry->d_inode);
1220 extern int osd_trans_declare_op2rb[];
1221 extern int ldiskfs_track_declares_assert;
1222 void osd_trans_dump_creds(const struct lu_env *env, struct thandle *th);
1224 static inline void osd_trans_declare_op(const struct lu_env *env,
1225 struct osd_thandle *oh,
1226 enum osd_op_type op, int credits)
1228 struct osd_thread_info *oti = osd_oti_get(env);
1230 LASSERT(oh->ot_handle == NULL);
1231 if (unlikely(op >= OSD_OT_MAX)) {
1232 if (unlikely(ldiskfs_track_declares_assert)) {
1233 LASSERT(op < OSD_OT_MAX);
1235 CWARN("%s: Invalid operation index %d\n",
1236 osd_name(osd_dt_dev(oh->ot_super.th_dev)), op);
1237 libcfs_debug_dumpstack(NULL);
1240 oti->oti_declare_ops[op]++;
1241 oti->oti_declare_ops_cred[op] += credits;
1243 oh->ot_credits += credits;
1246 /* linux: v5.4-rc3-21-g933f1c1e0b75 renamed h_buffer_credits */
1247 #ifdef HAVE_JOURNAL_TOTAL_CREDITS
1248 #define h_buffer_credits h_total_credits
1251 static inline void osd_trans_exec_op(const struct lu_env *env,
1253 enum osd_op_type op)
1255 struct osd_thread_info *oti = osd_oti_get(env);
1256 struct osd_thandle *oh = container_of(th, struct osd_thandle,
1258 unsigned int rb, left;
1260 LASSERT(oh->ot_handle != NULL);
1261 if (unlikely(op >= OSD_OT_MAX)) {
1262 if (unlikely(ldiskfs_track_declares_assert))
1263 LASSERT(op < OSD_OT_MAX);
1265 CWARN("%s: opcode %u: invalid value >= %u\n",
1266 osd_name(osd_dt_dev(oh->ot_super.th_dev)),
1268 libcfs_debug_dumpstack(NULL);
1273 /* find rollback (or reverse) operation for the given one
1274 * such an operation doesn't require additional credits
1275 * as the same set of blocks are modified */
1276 rb = osd_trans_declare_op2rb[op];
1278 /* check whether credits for this operation were reserved at all */
1279 if (unlikely(oti->oti_declare_ops_cred[op] == 0 &&
1280 oti->oti_declare_ops_cred[rb] == 0)) {
1281 /* the API is not perfect yet: CREATE does REF_ADD internally
1282 * while DESTROY does not. To rollback CREATE the callers
1283 * needs to call REF_DEL+DESTROY which is hard to detect using
1284 * a simple table of rollback operations */
1285 if (op == OSD_OT_REF_DEL &&
1286 oti->oti_declare_ops_cred[OSD_OT_CREATE] > 0)
1288 if (op == OSD_OT_REF_ADD &&
1289 oti->oti_declare_ops_cred[OSD_OT_DESTROY] > 0)
1291 CWARN("%s: opcode %u: credits = 0, rollback = %u\n",
1292 osd_name(osd_dt_dev(oh->ot_super.th_dev)), op, rb);
1293 osd_trans_dump_creds(env, th);
1294 LASSERT(!ldiskfs_track_declares_assert);
1298 /* remember how many credits we have unused before the operation */
1299 oti->oti_credits_before = oh->ot_handle->h_buffer_credits;
1300 left = oti->oti_declare_ops_cred[op] - oti->oti_declare_ops_used[op];
1301 if (unlikely(oti->oti_credits_before < left)) {
1302 CWARN("%s: opcode %u: before %u < left %u, rollback = %u\n",
1303 osd_name(osd_dt_dev(oh->ot_super.th_dev)), op,
1304 oti->oti_credits_before, left, rb);
1305 osd_trans_dump_creds(env, th);
1306 /* on a very small fs (testing?) it's possible that
1307 * the transaction can't fit 1/4 of journal, so we
1308 * just request less credits (see osd_trans_start()).
1309 * ignore the same case here */
1310 rb = osd_transaction_size(osd_dt_dev(th->th_dev));
1311 if (unlikely(oh->ot_credits < rb))
1312 LASSERT(!ldiskfs_track_declares_assert);
1316 static inline void osd_trans_exec_check(const struct lu_env *env,
1318 enum osd_op_type op)
1320 struct osd_thread_info *oti = osd_oti_get(env);
1321 struct osd_thandle *oh = container_of(th, struct osd_thandle,
1323 int used, over, quota;
1325 /* how many credits have been used by the operation */
1326 used = oti->oti_credits_before - oh->ot_handle->h_buffer_credits;
1328 if (unlikely(used < 0)) {
1329 /* if some block was allocated and released in the same
1330 * transaction, then it won't be a part of the transaction
1331 * and delta can be negative */
1336 /* rollback operations (e.g. when we destroy just created
1337 * object) should not consume any credits. there is no point
1338 * to confuse the checks below */
1342 oti->oti_declare_ops_used[op] += used;
1343 if (oti->oti_declare_ops_used[op] <= oti->oti_declare_ops_cred[op])
1346 /* we account quota for a whole transaction and any operation can
1347 * consume corresponding credits */
1348 over = oti->oti_declare_ops_used[op] -
1349 oti->oti_declare_ops_cred[op];
1350 quota = oti->oti_declare_ops_cred[OSD_OT_QUOTA] -
1351 oti->oti_declare_ops_used[OSD_OT_QUOTA];
1352 if (over <= quota) {
1353 /* probably that credits were consumed by
1354 * quota indirectly (in the depths of ldiskfs) */
1355 oti->oti_declare_ops_used[OSD_OT_QUOTA] += over;
1356 oti->oti_declare_ops_used[op] -= over;
1358 CWARN("%s: opcode %d: used %u, used now %u, reserved %u\n",
1359 osd_name(osd_dt_dev(oh->ot_super.th_dev)), op,
1360 oti->oti_declare_ops_used[op], used,
1361 oti->oti_declare_ops_cred[op]);
1362 osd_trans_dump_creds(env, th);
1363 if (unlikely(ldiskfs_track_declares_assert))
1369 * Helper function to pack the fid, ldiskfs stores fid in packed format.
1372 void osd_fid_pack(struct osd_fid_pack *pack, const struct dt_rec *fid,
1373 struct lu_fid *befider)
1375 fid_cpu_to_be(befider, (struct lu_fid *)fid);
1376 memcpy(pack->fp_area, befider, sizeof(*befider));
1377 pack->fp_len = sizeof(*befider) + 1;
1381 int osd_fid_unpack(struct lu_fid *fid, const struct osd_fid_pack *pack)
1386 switch (pack->fp_len) {
1387 case sizeof *fid + 1:
1388 memcpy(fid, pack->fp_area, sizeof *fid);
1389 fid_be_to_cpu(fid, fid);
1392 CERROR("Unexpected packed fid size: %d\n", pack->fp_len);
1399 * Quota/Accounting handling
1401 extern const struct dt_index_operations osd_acct_index_ops;
1402 int osd_acct_obj_lookup(struct osd_thread_info *info, struct osd_device *osd,
1403 const struct lu_fid *fid, struct osd_inode_id *id);
1405 /* copy from fs/ext4/dir.c */
1406 static inline int is_32bit_api(void)
1408 #ifdef CONFIG_COMPAT
1409 return in_compat_syscall();
1411 return (BITS_PER_LONG == 32);
1415 static inline loff_t ldiskfs_get_htree_eof(struct file *filp)
1417 if ((filp->f_mode & FMODE_32BITHASH) ||
1418 (!(filp->f_mode & FMODE_64BITHASH) && is_32bit_api()))
1419 return LDISKFS_HTREE_EOF_32BIT;
1421 return LDISKFS_HTREE_EOF_64BIT;
1424 static inline int fid_is_internal(const struct lu_fid *fid)
1426 return (!fid_is_namespace_visible(fid) && !fid_is_idif(fid));
1429 static inline bool is_remote_parent_ino(struct osd_device *o, unsigned long ino)
1434 LASSERT(o->od_mdt_map != NULL);
1436 return ino == o->od_mdt_map->omm_remote_parent->d_inode->i_ino;
1440 * ext4_bread/ldiskfs_bread has either 5 or 4 parameters. The error
1441 * return code has been removed and integrated into the pointer in the
1444 static inline struct buffer_head *__ldiskfs_bread(handle_t *handle,
1445 struct inode *inode,
1446 ldiskfs_lblk_t block,
1450 struct buffer_head *bh;
1453 rc = osd_attach_jinode(inode);
1457 #ifdef HAVE_EXT4_BREAD_4ARGS
1458 bh = ldiskfs_bread(handle, inode, block, create);
1461 bh = ldiskfs_bread(handle, inode, block, create, &rc);
1462 if (bh == NULL && rc != 0)
1468 #ifndef HAVE_BIO_INTEGRITY_ENABLED
1469 bool bio_integrity_enabled(struct bio *bio);
1473 # define bio_get_dev(bio) ((bio)->bi_bdev)
1474 # define bio_get_disk(bio) (bio_get_dev(bio)->bd_disk)
1475 # define bio_get_queue(bio) bdev_get_queue(bio_get_dev(bio))
1476 # define bio_set_dev(bio, bdev) (bio_get_dev(bio) = (bdev))
1478 # define bio_get_disk(bio) ((bio)->bi_disk)
1479 # define bio_get_queue(bio) (bio_get_disk(bio)->queue)
1482 void ldiskfs_inc_count(handle_t *handle, struct inode *inode);
1483 void ldiskfs_dec_count(handle_t *handle, struct inode *inode);
1485 void osd_fini_iobuf(struct osd_device *d, struct osd_iobuf *iobuf);
1488 osd_index_register(struct osd_device *osd, const struct lu_fid *fid,
1489 __u32 keysize, __u32 recsize)
1491 return lustre_index_register(&osd->od_dt_dev, osd_name(osd),
1492 &osd->od_index_backup_list, &osd->od_lock,
1493 &osd->od_index_backup_stop,
1494 fid, keysize, recsize);
1498 osd_index_backup(const struct lu_env *env, struct osd_device *osd, bool backup)
1500 struct osd_thread_info *info = osd_oti_get(env);
1501 struct lu_fid *fid = &info->oti_fid3;
1502 struct osd_inode_id *id = &info->oti_id3;
1504 lu_local_obj_fid(fid, INDEX_BACKUP_OID);
1505 osd_id_gen(id, osd->od_index_backup_inode->i_ino,
1506 osd->od_index_backup_inode->i_generation);
1507 osd_add_oi_cache(info, osd, id, fid);
1509 lustre_index_backup(env, &osd->od_dt_dev, osd_name(osd),
1510 &osd->od_index_backup_list, &osd->od_lock,
1511 &osd->od_index_backup_stop, backup);
1514 #ifdef LDISKFS_HAS_INCOMPAT_FEATURE
1516 # ifdef LDISKFS_FEATURE_INCOMPAT_EXTENTS
1517 # define ldiskfs_has_feature_extents(sb) \
1518 LDISKFS_HAS_INCOMPAT_FEATURE(sb, LDISKFS_FEATURE_INCOMPAT_EXTENTS)
1520 # ifdef LDISKFS_FEATURE_INCOMPAT_EA_INODE
1521 # define ldiskfs_has_feature_ea_inode(sb) \
1522 LDISKFS_HAS_INCOMPAT_FEATURE(sb, LDISKFS_FEATURE_INCOMPAT_EA_INODE)
1524 # ifdef LDISKFS_FEATURE_INCOMPAT_DIRDATA
1525 # define ldiskfs_has_feature_dirdata(sb) \
1526 LDISKFS_HAS_INCOMPAT_FEATURE(sb, LDISKFS_FEATURE_INCOMPAT_DIRDATA)
1528 # ifdef LDISKFS_FEATURE_COMPAT_HAS_JOURNAL
1529 # define ldiskfs_has_feature_journal(sb) \
1530 LDISKFS_HAS_COMPAT_FEATURE(sb, LDISKFS_FEATURE_COMPAT_HAS_JOURNAL)
1532 # ifdef LDISKFS_FEATURE_RO_COMPAT_QUOTA
1533 # define ldiskfs_has_feature_quota(sb) \
1534 LDISKFS_HAS_RO_COMPAT_FEATURE(sb, LDISKFS_FEATURE_RO_COMPAT_QUOTA)
1536 # ifdef LDISKFS_FEATURE_RO_COMPAT_PROJECT
1537 # define ldiskfs_has_feature_project(sb) \
1538 LDISKFS_HAS_RO_COMPAT_FEATURE(sb, LDISKFS_FEATURE_RO_COMPAT_PROJECT)
1543 int osd_trunc_lock(struct osd_object *obj, struct osd_thandle *oh,
1545 void osd_trunc_unlock_all(const struct lu_env *env, struct list_head *list);
1546 void osd_process_truncates(const struct lu_env *env, struct list_head *list);
1547 void osd_execute_truncate(struct osd_object *obj);
1549 #ifdef HAVE_BIO_ENDIO_USES_ONE_ARG
1550 #define osd_dio_complete_routine(bio, error) dio_complete_routine(bio)
1552 #define osd_dio_complete_routine(bio, error) dio_complete_routine(bio, error)
1555 #ifndef HAVE___BI_CNT
1556 #define __bi_cnt bi_cnt
1560 #define bi_opf bi_rw
1563 #ifndef HAVE_CLEAN_BDEV_ALIASES
1564 #define clean_bdev_aliases(bdev, block, len) \
1565 unmap_underlying_metadata((bdev), (block))
1568 #ifndef HAVE_BI_STATUS
1569 #define bi_status bi_error
1573 * Maximum size of xattr attributes for FEATURE_INCOMPAT_EA_INODE 1Mb
1574 * This limit is arbitrary, but is reasonable for the xattr API.
1576 #define LDISKFS_XATTR_MAX_LARGE_EA_SIZE (1024 * 1024)
1578 struct osd_bio_private {
1579 struct osd_iobuf *obp_iobuf;
1580 /* Start page index in the obp_iobuf for the bio */
1581 int obp_start_page_idx;
1584 #ifdef HAVE_BIO_INTEGRITY_PREP_FN
1585 int osd_get_integrity_profile(struct osd_device *osd,
1586 integrity_gen_fn **generate_fn,
1587 integrity_vrfy_fn **verify_fn);
1589 #define integrity_gen_fn void
1590 #define integrity_vrfy_fn int
1591 static inline int osd_get_integrity_profile(struct osd_device *osd,
1592 integrity_gen_fn **generate_fn,
1593 integrity_vrfy_fn **verify_fn)
1598 static inline bool bio_integrity_prep_fn(struct bio *bio,
1599 integrity_gen_fn *generate_fn,
1600 integrity_vrfy_fn *verify_fn)
1602 return bio_integrity_prep(bio);
1606 #ifdef HAVE_BIO_BI_PHYS_SEGMENTS
1607 #define osd_bio_nr_segs(bio) ((bio)->bi_phys_segments)
1609 #define osd_bio_nr_segs(bio) bio_segments((bio))
1610 #endif /* HAVE_BIO_BI_PHYS_SEGMENTS */
1612 #endif /* _OSD_INTERNAL_H */