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/
30 * Lustre is a trademark of Sun Microsystems, Inc.
32 * lustre/osd/osd_internal.h
34 * Shared definitions and declarations for osd module
36 * Author: Nikita Danilov <nikita@clusterfs.com>
39 #ifndef _OSD_INTERNAL_H
40 #define _OSD_INTERNAL_H
44 #include <linux/mutex.h>
45 /* struct rw_semaphore */
46 #include <linux/rwsem.h>
48 #include <linux/dcache.h>
50 #include <linux/dirent.h>
51 #include <linux/statfs.h>
52 #include <linux/bio.h>
53 #include <ldiskfs/ldiskfs.h>
54 #include <ldiskfs/ldiskfs_jbd2.h>
58 /* class_register_type(), class_unregister_type() */
59 #include <obd_class.h>
60 #include <lustre_disk.h>
61 #include <dt_object.h>
62 #include <lustre_quota.h>
66 #include "osd_scrub.h"
67 #include "osd_quota_fmt.h"
70 extern struct kmem_cache *dynlock_cachep;
72 #define OSD_COUNTERS (0)
74 /* ldiskfs special inode::i_state_flags need to be accessed with
75 * ldiskfs_{set,clear,test}_inode_state() only */
77 /* OI scrub should skip this inode. */
78 #define LDISKFS_STATE_LUSTRE_NOSCRUB 31
79 #define LDISKFS_STATE_LUSTRE_DESTROY 30
81 /** Enable thandle usage statistics */
82 #define OSD_THANDLE_STATS (0)
84 #define MAX_OBJID_GROUP (FID_SEQ_ECHO + 1)
86 #define OBJECTS "OBJECTS"
87 #define ADMIN_USR "admin_quotafile_v2.usr"
88 #define ADMIN_GRP "admin_quotafile_v2.grp"
90 /* Statfs space reservation for fragmentation and local objects */
91 #define OSD_STATFS_RESERVED (1ULL << 23) /* 8MB */
92 #define OSD_STATFS_RESERVED_SHIFT (7) /* reserve 0.78% of all space */
94 /* Default extent bytes when declaring write commit */
95 #define OSD_DEFAULT_EXTENT_BYTES (1U << 20)
97 /* check if ldiskfs support project quota */
98 #ifndef LDISKFS_IOC_FSSETXATTR
99 #undef HAVE_PROJECT_QUOTA
102 #define OBD_BRW_MAPPED OBD_BRW_LOCAL1
104 struct osd_directory {
105 struct iam_container od_container;
106 struct iam_descr od_descr;
110 * Object Index (oi) instance.
114 * underlying index object, where fid->id mapping in stored.
116 struct inode *oi_inode;
117 struct osd_directory oi_dir;
120 extern const int osd_dto_credits_noquota[];
123 struct dt_object oo_dt;
125 * Inode for file system object represented by this osd_object. This
126 * inode is pinned for the whole duration of lu_object life.
128 * Not modified concurrently (either setup early during object
129 * creation, or assigned by osd_create() under write lock).
131 struct inode *oo_inode;
133 * to protect index ops.
135 struct htree_lock_head *oo_hl_head;
136 struct rw_semaphore oo_ext_idx_sem;
137 struct rw_semaphore oo_sem;
138 struct osd_directory *oo_dir;
139 /** protects inode attributes. */
143 * Following two members *compat_dot* are used to indicate
144 * the presence of dot and dotdot in the given directory.
145 * This is required for interop mode (b11826).
147 __u32 oo_destroyed:1,
149 oo_compat_dot_created:1,
150 oo_compat_dotdot_created:1;
152 /* the i_flags in LMA */
155 const struct lu_env *oo_owner;
157 struct list_head oo_xattr_list;
158 struct lu_object_header *oo_header;
159 __u64 oo_dirent_count;
163 /* protects on-fly initialization */
164 int oos_subdir_count; /* subdir count for each seq */
165 struct dentry *oos_root; /* O/<seq> */
166 struct dentry **oos_dirs; /* O/<seq>/d0-dXX */
167 u64 oos_seq; /* seq number */
168 struct list_head oos_seq_list; /* list to seq_list */
172 struct dentry *om_root; /* dentry for /O */
173 rwlock_t om_seq_list_lock; /* lock for seq_list */
174 struct list_head om_seq_list; /* list head for seq */
176 struct mutex om_dir_init_mutex;
180 struct dentry *om_root; /* AGENT/<index> */
181 u64 om_index; /* mdt index */
182 struct list_head om_list; /* list to omm_list */
185 struct osd_mdobj_map {
186 struct dentry *omm_remote_parent;
188 int osd_ldiskfs_add_entry(struct osd_thread_info *info, struct osd_device *osd,
189 handle_t *handle, struct dentry *child,
190 struct inode *inode, struct htree_lock *hlock);
192 #define OSD_OTABLE_IT_CACHE_SIZE 64
193 #define OSD_OTABLE_IT_CACHE_MASK (~(OSD_OTABLE_IT_CACHE_SIZE - 1))
195 struct osd_inconsistent_item {
196 /* link into lustre_scrub::os_inconsistent_items,
197 * protected by lustre_scrub::os_lock. */
198 struct list_head oii_list;
200 /* The right FID <=> ino#/gen mapping. */
201 struct osd_idmap_cache oii_cache;
203 unsigned int oii_insert:1; /* insert or update mapping. */
206 struct osd_otable_cache {
207 struct osd_idmap_cache ooc_cache[OSD_OTABLE_IT_CACHE_SIZE];
209 /* Index for next cache slot to be filled. */
210 int ooc_producer_idx;
212 /* Index for next cache slot to be returned by it::next(). */
213 int ooc_consumer_idx;
215 /* How many items in ooc_cache. */
216 __u64 ooc_cached_items;
218 /* Position for up layer LFSCK iteration pre-loading. */
219 __u64 ooc_pos_preload;
222 struct osd_otable_it {
223 struct osd_device *ooi_dev;
224 struct osd_otable_cache ooi_cache;
225 struct osd_iit_param ooi_iit_param;
227 /* The following bits can be updated/checked w/o lock protection.
228 * If more bits will be introduced in the future and need lock to
229 * protect, please add comment. */
230 unsigned long ooi_used_outside:1, /* Some user out of OSD
231 * uses the iteration. */
232 ooi_all_cached:1, /* No more entries can be
233 * filled into cache. */
234 ooi_user_ready:1, /* The user out of OSD is
235 * ready to iterate. */
236 ooi_waiting:1; /* it::next is waiting. */
239 struct osd_obj_orphan {
240 struct list_head oor_list;
241 struct lu_env *oor_env; /* to identify "own" records */
246 OSD_T10_TYPE_UNKNOWN = 0,
258 struct dt_device od_dt_dev;
259 /* information about underlying file system */
260 struct vfsmount *od_mnt;
262 struct osd_oi **od_oi_table;
263 /* total number of OI containers */
268 unsigned int od_fl_capa:1,
278 __s64 od_auto_scrub_interval;
279 __u32 od_dirent_journal;
281 struct proc_dir_entry *od_proc_entry;
282 struct lprocfs_stats *od_stats;
284 spinlock_t od_osfs_lock;
287 struct lu_site od_site;
289 struct osd_obj_map *od_ost_map;
290 struct osd_mdobj_map *od_mdt_map;
292 /* objects with size > od_readcache_max_filesize will be
293 * served bypassing pagecache unless already cached */
294 unsigned long long od_readcache_max_filesize;
296 /* reads > od_readcache_max_iosize will be
297 * served bypassing pagecache unless already cached */
298 unsigned long od_readcache_max_iosize;
300 /* writes > od_writethough_max_iosize will be
301 * served bypassing pagecache unless already cached */
302 unsigned long od_writethrough_max_iosize;
305 int od_writethrough_cache;
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;
412 struct thandle ot_super;
414 struct ldiskfs_journal_cb_entry ot_jcb;
415 struct list_head ot_commit_dcb_list;
416 struct list_head ot_stop_dcb_list;
417 /* Link to the device, for debugging. */
418 struct lu_ref_link ot_dev_link;
419 unsigned int ot_credits;
420 unsigned int oh_declared_ext;
422 /* quota IDs related to the transaction */
423 unsigned short ot_id_cnt;
424 __u8 ot_id_res[OSD_MAX_UGID_CNT];
425 __u8 ot_id_types[OSD_MAX_UGID_CNT];
426 uid_t ot_id_array[OSD_MAX_UGID_CNT];
427 struct lquota_trans *ot_quota_trans;
429 unsigned int ot_remove_agents:1;
430 #if OSD_THANDLE_STATS
431 /** time when this handle was allocated */
434 /** time when this thanle was started */
437 struct list_head ot_trunc_locks;
441 * Basic transaction credit op
462 #ifdef CONFIG_PROC_FS
464 LPROC_OSD_READ_BYTES = 0,
465 LPROC_OSD_WRITE_BYTES = 1,
466 LPROC_OSD_GET_PAGE = 2,
467 LPROC_OSD_NO_PAGE = 3,
468 LPROC_OSD_CACHE_ACCESS = 4,
469 LPROC_OSD_CACHE_HIT = 5,
470 LPROC_OSD_CACHE_MISS = 6,
472 #if OSD_THANDLE_STATS
473 LPROC_OSD_THANDLE_STARTING,
474 LPROC_OSD_THANDLE_OPEN,
475 LPROC_OSD_THANDLE_CLOSING,
482 * Storage representation for fids.
484 * Variable size, first byte contains the length of the whole record.
486 struct osd_fid_pack {
487 unsigned char fp_len;
488 char fp_area[sizeof(struct lu_fid)];
491 struct osd_it_ea_dirent {
492 struct lu_fid oied_fid;
495 unsigned short oied_namelen;
496 unsigned int oied_type;
498 } __attribute__((packed));
501 * as osd_it_ea_dirent (in memory dirent struct for osd) is greater
502 * than lu_dirent struct. osd readdir reads less number of dirent than
503 * required for mdd dir page. so buffer size need to be increased so that
504 * there would be one ext3 readdir for every mdd readdir page.
507 #define OSD_IT_EA_BUFSIZE (PAGE_SIZE + PAGE_SIZE/4)
510 * This is iterator's in-memory data structure in interoperability
511 * mode (i.e. iterator over ldiskfs style directory)
514 struct osd_object *oie_obj;
515 /** used in ldiskfs iterator, to stored file pointer */
516 struct file oie_file;
517 /** how many entries have been read-cached from storage */
519 /** current entry is being iterated by caller */
521 /** current processing entry */
522 struct osd_it_ea_dirent *oie_dirent;
523 /** buffer to hold entries, size == OSD_IT_EA_BUFSIZE */
525 struct dentry oie_dentry;
529 * Iterator's in-memory data structure for IAM mode.
532 struct osd_object *oi_obj;
533 struct iam_path_descr *oi_ipd;
534 struct iam_iterator oi_it;
537 struct osd_quota_leaf {
538 struct list_head oql_link;
543 * Iterator's in-memory data structure for quota file.
545 struct osd_it_quota {
546 struct osd_object *oiq_obj;
547 /** tree blocks path to where the entry is stored */
548 uint oiq_blk[LUSTRE_DQTREEDEPTH + 1];
549 /** on-disk offset for current key where quota record can be found */
551 /** identifier for current quota record */
553 /** the record index in the leaf/index block */
554 uint oiq_index[LUSTRE_DQTREEDEPTH + 1];
555 /** list of already processed leaf blocks */
556 struct list_head oiq_list;
559 #define MAX_BLOCKS_PER_PAGE (PAGE_SIZE / 512)
562 wait_queue_head_t dr_wait;
563 atomic_t dr_numreqs; /* number of reqs being processed */
568 unsigned int dr_elapsed_valid:1; /* we really did count time */
569 unsigned int dr_rw:1;
570 struct lu_buf dr_pg_buf;
571 struct page **dr_pages;
572 struct niobuf_local **dr_lnbs;
573 struct lu_buf dr_bl_buf;
574 struct lu_buf dr_lnb_buf;
576 ktime_t dr_start_time;
577 ktime_t dr_elapsed; /* how long io took */
578 struct osd_device *dr_dev;
579 unsigned int dr_init_at; /* the line iobuf was initialized */
582 int osd_security_file_alloc(struct file *file);
584 #define osd_dirty_inode(inode, flag) (inode)->i_sb->s_op->dirty_inode((inode), flag)
586 #ifdef HAVE_INODE_TIMESPEC64
587 # define osd_timespec timespec64
589 # define osd_timespec timespec
592 static inline struct osd_timespec osd_inode_time(struct inode *inode,
595 struct osd_timespec ts = { .tv_sec = seconds };
600 #define OSD_INS_CACHE_SIZE 8
602 struct osd_thread_info {
603 const struct lu_env *oti_env;
605 * used for index operations.
607 struct dentry oti_obj_dentry;
608 struct dentry oti_child_dentry;
610 /** dentry for Iterator context. */
611 struct dentry oti_it_dentry;
614 /* fake struct file for osd_object_sync */
615 struct file oti_file;
617 struct kstatfs oti_ksfs;
620 struct htree_lock *oti_hlock;
622 struct lu_fid oti_fid;
623 struct lu_fid oti_fid2;
624 struct lu_fid oti_fid3;
625 struct osd_inode_id oti_id;
626 struct osd_inode_id oti_id2;
627 struct osd_inode_id oti_id3;
628 struct ost_id oti_ostid;
631 * following ipd and it structures are used for osd_index_iam_lookup()
632 * these are defined separately as we might do index operation
633 * in open iterator session.
636 /** pre-allocated buffer used by oti_it_ea, size OSD_IT_EA_BUFSIZE */
638 unsigned int oti_it_ea_buf_used:1;
640 /* IAM iterator for index operation. */
641 struct iam_iterator oti_idx_it;
643 /** union to guarantee that ->oti_ipd[] has proper alignment. */
646 char oti_it_ipd[DX_IPD_MAX_SIZE];
647 long long oti_alignment_lieutenant;
651 char oti_idx_ipd[DX_IPD_MAX_SIZE];
652 long long oti_alignment_lieutenant_colonel;
655 struct osd_idmap_cache oti_cache;
657 /* dedicated OI cache for insert (which needs inum) */
658 struct osd_idmap_cache *oti_ins_cache;
659 int oti_ins_cache_size;
660 int oti_ins_cache_used;
661 /* inc by osd_trans_create and dec by osd_trans_stop */
662 int oti_ins_cache_depth;
667 /** used in osd_fid_set() to put xattr */
668 struct lu_buf oti_buf;
669 struct lu_buf oti_big_buf;
670 /** used in osd_ea_fid_set() to set fid into common ea */
672 struct lustre_ost_attrs oti_ost_attrs;
673 struct filter_fid_18_23 oti_ff_old;
674 struct filter_fid oti_ff;
677 struct osd_iobuf oti_iobuf;
678 /* used to access objects in /O */
679 struct inode *oti_inode;
680 #define OSD_FID_REC_SZ 32
681 char oti_ldp[OSD_FID_REC_SZ];
682 char oti_ldp2[OSD_FID_REC_SZ];
684 /* used by quota code */
686 #if defined(HAVE_DQUOT_QC_DQBLK)
687 struct qc_dqblk oti_qdq;
689 struct fs_disk_quota oti_fdq;
691 struct if_dqinfo oti_dqinfo;
693 struct lquota_id_info oti_qi;
694 struct lquota_trans oti_quota_trans;
695 union lquota_rec oti_quota_rec;
697 struct lu_seq_range oti_seq_range;
699 /* Tracking for transaction credits, to allow debugging and optimizing
700 * cases where a large number of credits are being allocated for
701 * single transaction. */
702 unsigned int oti_credits_before;
703 unsigned int oti_declare_ops[OSD_OT_MAX];
704 unsigned int oti_declare_ops_cred[OSD_OT_MAX];
705 unsigned int oti_declare_ops_used[OSD_OT_MAX];
706 struct osd_directory oti_iam;
708 struct page **oti_dio_pages;
709 int oti_dio_pages_used;
712 extern int ldiskfs_pdo;
714 /* autoconf test is in lustre-build-ldiskfs.m4 */
715 #ifdef HAVE_BVEC_ITER_ALL
716 #define DECLARE_BVEC_ITER_ALL(iter) struct bvec_iter_all iter
718 #define DECLARE_BVEC_ITER_ALL(iter) int iter
721 static inline int __osd_xattr_get(struct inode *inode, struct dentry *dentry,
722 const char *name, void *buf, int len)
727 dentry->d_inode = inode;
728 dentry->d_sb = inode->i_sb;
729 return ll_vfs_getxattr(dentry, inode, name, buf, len);
732 static inline int __osd_xattr_set(struct osd_thread_info *info,
733 struct inode *inode, const char *name,
734 const void *buf, int buflen, int fl)
736 struct dentry *dentry = &info->oti_child_dentry;
738 dquot_initialize(inode);
739 dentry->d_inode = inode;
740 dentry->d_sb = inode->i_sb;
741 return ll_vfs_setxattr(dentry, inode, name, buf, buflen, fl);
744 #ifdef CONFIG_PROC_FS
746 extern struct lprocfs_vars lprocfs_osd_obd_vars[];
747 int osd_procfs_init(struct osd_device *osd, const char *name);
748 int osd_procfs_fini(struct osd_device *osd);
749 void osd_brw_stats_update(struct osd_device *osd, struct osd_iobuf *iobuf);
750 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 52, 0)
751 int osd_register_proc_index_in_idif(struct osd_device *osd);
755 int osd_statfs(const struct lu_env *env, struct dt_device *dev,
756 struct obd_statfs *sfs, struct obd_statfs_info *info);
757 struct inode *osd_iget(struct osd_thread_info *info, struct osd_device *dev,
758 struct osd_inode_id *id);
760 osd_iget_fid(struct osd_thread_info *info, struct osd_device *dev,
761 struct osd_inode_id *id, struct lu_fid *fid);
762 int osd_ea_fid_set(struct osd_thread_info *info, struct inode *inode,
763 const struct lu_fid *fid, __u32 compat, __u32 incompat);
764 int osd_get_lma(struct osd_thread_info *info, struct inode *inode,
765 struct dentry *dentry, struct lustre_ost_attrs *loa);
766 void osd_add_oi_cache(struct osd_thread_info *info, struct osd_device *osd,
767 struct osd_inode_id *id, const struct lu_fid *fid);
768 int osd_get_idif(struct osd_thread_info *info, struct inode *inode,
769 struct dentry *dentry, struct lu_fid *fid);
771 int osd_obj_map_init(const struct lu_env *env, struct osd_device *osd);
772 void osd_obj_map_fini(struct osd_device *dev);
773 int osd_obj_map_lookup(struct osd_thread_info *info, struct osd_device *osd,
774 const struct lu_fid *fid, struct osd_inode_id *id);
775 int osd_obj_map_insert(struct osd_thread_info *info, struct osd_device *osd,
776 const struct lu_fid *fid, const struct osd_inode_id *id,
778 int osd_obj_map_delete(struct osd_thread_info *info, struct osd_device *osd,
779 const struct lu_fid *fid, handle_t *th);
780 int osd_obj_map_update(struct osd_thread_info *info, struct osd_device *osd,
781 const struct lu_fid *fid, const struct osd_inode_id *id,
783 int osd_obj_map_recover(struct osd_thread_info *info, struct osd_device *osd,
784 struct inode *src_parent, struct dentry *src_child,
785 const struct lu_fid *fid);
786 int osd_obj_spec_lookup(struct osd_thread_info *info, struct osd_device *osd,
787 const struct lu_fid *fid, struct osd_inode_id *id,
788 enum oi_check_flags flags);
789 int osd_obj_spec_insert(struct osd_thread_info *info, struct osd_device *osd,
790 const struct lu_fid *fid, const struct osd_inode_id *id,
792 int osd_obj_spec_update(struct osd_thread_info *info, struct osd_device *osd,
793 const struct lu_fid *fid, const struct osd_inode_id *id,
796 char *osd_lf_fid2name(const struct lu_fid *fid);
797 int osd_scrub_start(const struct lu_env *env, struct osd_device *dev,
799 void osd_scrub_stop(struct osd_device *dev);
800 int osd_scrub_setup(const struct lu_env *env, struct osd_device *dev);
801 void osd_scrub_cleanup(const struct lu_env *env, struct osd_device *dev);
802 int osd_oii_insert(struct osd_device *dev, struct osd_idmap_cache *oic,
804 int osd_oii_lookup(struct osd_device *dev, const struct lu_fid *fid,
805 struct osd_inode_id *id);
806 void osd_scrub_dump(struct seq_file *m, struct osd_device *dev);
808 struct dentry *osd_lookup_one_len_unlocked(struct osd_device *dev,
810 struct dentry *base, int len);
811 struct dentry *osd_lookup_one_len(struct osd_device *dev, const char *name,
812 struct dentry *base, int len);
814 int osd_fld_lookup(const struct lu_env *env, struct osd_device *osd,
815 u64 seq, struct lu_seq_range *range);
817 int osd_delete_from_remote_parent(const struct lu_env *env,
818 struct osd_device *osd,
819 struct osd_object *obj,
820 struct osd_thandle *oh, bool destroy);
821 int osd_add_to_remote_parent(const struct lu_env *env, struct osd_device *osd,
822 struct osd_object *obj, struct osd_thandle *oh);
823 int osd_lookup_in_remote_parent(struct osd_thread_info *oti,
824 struct osd_device *osd,
825 const struct lu_fid *fid,
826 struct osd_inode_id *id);
828 int osd_ost_seq_exists(struct osd_thread_info *info, struct osd_device *osd,
830 /* osd_quota_fmt.c */
831 int walk_tree_dqentry(const struct lu_env *env, struct osd_object *obj,
832 int type, uint blk, int depth, uint index,
833 struct osd_it_quota *it);
834 int walk_block_dqentry(const struct lu_env *env, struct osd_object *obj,
835 int type, uint blk, uint index,
836 struct osd_it_quota *it);
837 loff_t find_tree_dqentry(const struct lu_env *env,
838 struct osd_object *obj, int type,
839 qid_t dqid, uint blk, int depth,
840 struct osd_it_quota *it);
842 int osd_declare_qid(const struct lu_env *env, struct osd_thandle *oh,
843 struct lquota_id_info *qi, struct osd_object *obj,
844 bool enforce, enum osd_quota_local_flags *local_flags);
845 int osd_declare_inode_qid(const struct lu_env *env, qid_t uid, qid_t gid,
846 __u32 projid, long long space, struct osd_thandle *oh,
847 struct osd_object *obj,
848 enum osd_quota_local_flags *local_flags,
849 enum osd_qid_declare_flags);
850 const struct dt_rec *osd_quota_pack(struct osd_object *obj,
851 const struct dt_rec *rec,
852 union lquota_rec *quota_rec);
853 void osd_quota_unpack(struct osd_object *obj, const struct dt_rec *rec);
855 #ifdef HAVE_PROJECT_QUOTA
856 static inline __u32 i_projid_read(struct inode *inode)
858 return (__u32)from_kprojid(&init_user_ns, LDISKFS_I(inode)->i_projid);
861 static inline void i_projid_write(struct inode *inode, __u32 projid)
864 kprojid = make_kprojid(&init_user_ns, (projid_t)projid);
865 LDISKFS_I(inode)->i_projid = kprojid;
868 static inline uid_t i_projid_read(struct inode *inode)
872 static inline void i_projid_write(struct inode *inode, __u32 projid)
878 #ifdef HAVE_LDISKFS_IGET_WITH_FLAGS
879 # define osd_ldiskfs_iget(sb, ino) \
880 ldiskfs_iget((sb), (ino), \
881 LDISKFS_IGET_HANDLE | LDISKFS_IGET_SPECIAL)
883 # define osd_ldiskfs_iget(sb, ino) ldiskfs_iget((sb), (ino))
886 #ifdef HAVE_LDISKFS_INFO_JINODE
887 # define osd_attach_jinode(inode) ldiskfs_inode_attach_jinode(inode)
888 #else /* HAVE_LDISKFS_INFO_JINODE */
889 # define osd_attach_jinode(inode) 0
890 #endif /* HAVE_LDISKFS_INFO_JINODE */
892 #ifdef LDISKFS_HT_MISC
893 # define osd_journal_start_sb(sb, type, nblock) \
894 ldiskfs_journal_start_sb(sb, type, nblock)
895 static inline struct buffer_head *osd_ldiskfs_append(handle_t *handle,
897 ldiskfs_lblk_t *nblock)
901 rc = osd_attach_jinode(inode);
904 return ldiskfs_append(handle, inode, nblock);
907 # ifdef HAVE___LDISKFS_FIND_ENTRY
908 # define osd_ldiskfs_find_entry(dir, name, de, inlined, lock) \
909 (__ldiskfs_find_entry(dir, name, de, inlined, lock) ?: \
912 # define osd_ldiskfs_find_entry(dir, name, de, inlined, lock) \
913 (ldiskfs_find_entry_locked(dir, name, de, inlined, lock) ?: \
917 # define osd_journal_start(inode, type, nblocks) \
918 ldiskfs_journal_start(inode, type, nblocks)
919 # define osd_transaction_size(dev) \
920 (osd_journal(dev)->j_max_transaction_buffers / 2)
921 #else /* ! defined LDISKFS_HT_MISC */
922 # define LDISKFS_HT_MISC 0
923 # define osd_journal_start_sb(sb, type, nblock) \
924 ldiskfs_journal_start_sb(sb, nblock)
926 static inline struct buffer_head *osd_ldiskfs_append(handle_t *handle,
928 ldiskfs_lblk_t *nblock)
930 struct buffer_head *bh;
933 bh = ldiskfs_append(handle, inode, nblock, &err);
940 # ifdef HAVE___LDISKFS_FIND_ENTRY
941 # define osd_ldiskfs_find_entry(dir, name, de, inlined, lock) \
942 (__ldiskfs_find_entry(dir, name, de, lock) ?: \
945 # define osd_ldiskfs_find_entry(dir, name, de, inlined, lock) \
946 (ldiskfs_find_entry_locked(dir, name, de, lock) ?: \
949 # define osd_journal_start(inode, type, nblocks) \
950 ldiskfs_journal_start(inode, nblocks)
951 # define osd_transaction_size(dev) \
952 (osd_journal(dev)->j_max_transaction_buffers)
953 #endif /* LDISKFS_HT_MISC */
955 #ifndef HAVE___LDISKFS_FIND_ENTRY
956 # define __ldiskfs_add_entry(handle, child, inode, hlock) \
957 ldiskfs_add_entry_locked(handle, child, inode, hlock)
961 * Invariants, assertions.
965 * XXX: do not enable this, until invariant checking code is made thread safe
966 * in the face of pdirops locking.
968 #define OSD_INVARIANT_CHECKS (0)
970 #if OSD_INVARIANT_CHECKS
971 static inline int osd_invariant(const struct osd_object *obj)
975 ergo(obj->oo_inode != NULL,
976 obj->oo_inode->i_sb == osd_sb(osd_obj2dev(obj)) &&
977 atomic_read(&obj->oo_inode->i_count) > 0) &&
978 ergo(obj->oo_dir != NULL &&
979 obj->oo_dir->od_conationer.ic_object != NULL,
980 obj->oo_dir->od_conationer.ic_object == obj->oo_inode);
983 #define osd_invariant(obj) (1)
986 #define OSD_MAX_CACHE_SIZE OBD_OBJECT_EOF
987 #define OSD_READCACHE_MAX_IO_MB 8
988 #define OSD_WRITECACHE_MAX_IO_MB 8
990 extern const struct dt_index_operations osd_otable_ops;
992 static inline int osd_oi_fid2idx(struct osd_device *dev,
993 const struct lu_fid *fid)
995 return fid->f_seq & (dev->od_oi_count - 1);
998 static inline struct osd_oi *osd_fid2oi(struct osd_device *osd,
999 const struct lu_fid *fid)
1001 LASSERTF(!fid_is_idif(fid), DFID"\n", PFID(fid));
1002 LASSERTF(!fid_is_last_id(fid), DFID"\n", PFID(fid));
1003 LASSERTF(osd->od_oi_table != NULL && osd->od_oi_count >= 1,
1004 DFID"\n", PFID(fid));
1005 /* It can work even od_oi_count equals to 1 although it's unexpected,
1006 * the only reason we set it to 1 is for performance measurement */
1007 return osd->od_oi_table[osd_oi_fid2idx(osd, fid)];
1010 extern const struct lu_device_operations osd_lu_ops;
1012 static inline int lu_device_is_osd(const struct lu_device *d)
1014 return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &osd_lu_ops);
1017 static inline struct osd_device *osd_dt_dev(const struct dt_device *d)
1019 LASSERT(lu_device_is_osd(&d->dd_lu_dev));
1020 return container_of(d, struct osd_device, od_dt_dev);
1023 static inline struct osd_device *osd_dev(const struct lu_device *d)
1025 LASSERT(lu_device_is_osd(d));
1026 return osd_dt_dev(container_of(d, struct dt_device, dd_lu_dev));
1029 static inline struct osd_device *osd_obj2dev(const struct osd_object *o)
1031 return osd_dev(o->oo_dt.do_lu.lo_dev);
1034 static inline struct super_block *osd_sb(const struct osd_device *dev)
1036 return dev->od_mnt->mnt_sb;
1039 static inline const char *osd_sb2name(const struct super_block *sb)
1041 /* this is LDISKFS_SB(sb), but preserves "const" */
1042 const struct ldiskfs_sb_info *sbi = sb->s_fs_info;
1044 return sbi->s_es->s_volume_name;
1047 static inline const char *osd_dev2name(const struct osd_device *dev)
1049 return osd_sb2name(osd_sb(dev));
1052 static inline const char *osd_ino2name(const struct inode *inode)
1054 return osd_sb2name(inode->i_sb);
1058 * Put the osd object once done with it.
1060 * \param obj osd object that needs to be put
1062 static inline void osd_object_put(const struct lu_env *env,
1063 struct osd_object *obj)
1065 dt_object_put(env, &obj->oo_dt);
1068 static inline int osd_object_is_root(const struct osd_object *obj)
1070 return osd_sb(osd_obj2dev(obj))->s_root->d_inode == obj->oo_inode;
1073 static inline struct osd_object *osd_obj(const struct lu_object *o)
1075 LASSERT(lu_device_is_osd(o->lo_dev));
1076 return container_of(o, struct osd_object, oo_dt.do_lu);
1079 static inline struct osd_object *osd_dt_obj(const struct dt_object *d)
1081 return osd_obj(&d->do_lu);
1084 static inline struct lu_device *osd2lu_dev(struct osd_device *osd)
1086 return &osd->od_dt_dev.dd_lu_dev;
1089 static inline journal_t *osd_journal(const struct osd_device *dev)
1091 return LDISKFS_SB(osd_sb(dev))->s_journal;
1094 static inline struct seq_server_site *osd_seq_site(struct osd_device *osd)
1096 return osd->od_dt_dev.dd_lu_dev.ld_site->ld_seq_site;
1099 static inline char *osd_name(struct osd_device *osd)
1101 return osd->od_svname;
1104 static inline bool osd_is_ea_inode(struct inode *inode)
1106 return !!(LDISKFS_I(inode)->i_flags & LDISKFS_EA_INODE_FL);
1109 extern const struct dt_body_operations osd_body_ops;
1110 extern struct lu_context_key osd_key;
1112 static inline struct osd_thread_info *osd_oti_get(const struct lu_env *env)
1114 return lu_context_key_get(&env->le_ctx, &osd_key);
1117 extern const struct dt_body_operations osd_body_ops_new;
1123 struct iam_path_descr *osd_it_ipd_get(const struct lu_env *env,
1124 const struct iam_container *bag)
1126 return bag->ic_descr->id_ops->id_ipd_alloc(bag,
1127 osd_oti_get(env)->oti_it_ipd);
1131 struct iam_path_descr *osd_idx_ipd_get(const struct lu_env *env,
1132 const struct iam_container *bag)
1134 return bag->ic_descr->id_ops->id_ipd_alloc(bag,
1135 osd_oti_get(env)->oti_idx_ipd);
1138 static inline void osd_ipd_put(const struct lu_env *env,
1139 const struct iam_container *bag,
1140 struct iam_path_descr *ipd)
1142 bag->ic_descr->id_ops->id_ipd_free(ipd);
1145 int osd_calc_bkmap_credits(struct super_block *sb, struct inode *inode,
1146 const loff_t size, const loff_t pos,
1149 int osd_ldiskfs_read(struct inode *inode, void *buf, int size, loff_t *offs);
1152 struct dentry *osd_child_dentry_by_inode(const struct lu_env *env,
1153 struct inode *inode,
1154 const char *name, const int namelen)
1156 struct osd_thread_info *info = osd_oti_get(env);
1157 struct dentry *child_dentry = &info->oti_child_dentry;
1158 struct dentry *obj_dentry = &info->oti_obj_dentry;
1160 obj_dentry->d_inode = inode;
1161 obj_dentry->d_sb = inode->i_sb;
1162 obj_dentry->d_name.hash = 0;
1164 child_dentry->d_name.hash = 0;
1165 child_dentry->d_parent = obj_dentry;
1166 child_dentry->d_name.name = name;
1167 child_dentry->d_name.len = namelen;
1168 return child_dentry;
1171 /* build quasi file structure when it is needed to call an inode i_fop */
1172 static inline struct file *osd_quasi_file_init(const struct lu_env *env,
1173 struct dentry *dentry,
1174 struct inode *inode)
1176 struct osd_thread_info *info = osd_oti_get(env);
1178 info->oti_file.f_path.dentry = dentry;
1179 info->oti_file.f_mapping = inode->i_mapping;
1180 info->oti_file.f_op = inode->i_fop;
1181 info->oti_file.f_inode = inode;
1182 info->oti_file.f_pos = 0;
1183 info->oti_file.private_data = NULL;
1184 info->oti_file.f_cred = current_cred();
1185 info->oti_file.f_flags = O_NOATIME;
1186 info->oti_file.f_mode = FMODE_64BITHASH | FMODE_NONOTIFY;
1188 return &info->oti_file;
1191 static inline struct file *osd_quasi_file(const struct lu_env *env,
1192 struct inode *inode)
1194 struct osd_thread_info *info = osd_oti_get(env);
1196 info->oti_obj_dentry.d_inode = inode;
1197 info->oti_obj_dentry.d_sb = inode->i_sb;
1199 return osd_quasi_file_init(env, &info->oti_obj_dentry, inode);
1202 static inline struct file *osd_quasi_file_by_dentry(const struct lu_env *env,
1203 struct dentry *dentry)
1205 return osd_quasi_file_init(env, dentry, dentry->d_inode);
1208 extern int osd_trans_declare_op2rb[];
1209 extern int ldiskfs_track_declares_assert;
1210 void osd_trans_dump_creds(const struct lu_env *env, struct thandle *th);
1212 static inline void osd_trans_declare_op(const struct lu_env *env,
1213 struct osd_thandle *oh,
1214 enum osd_op_type op, int credits)
1216 struct osd_thread_info *oti = osd_oti_get(env);
1218 LASSERT(oh->ot_handle == NULL);
1219 if (unlikely(op >= OSD_OT_MAX)) {
1220 if (unlikely(ldiskfs_track_declares_assert)) {
1221 LASSERT(op < OSD_OT_MAX);
1223 CWARN("%s: Invalid operation index %d\n",
1224 osd_name(osd_dt_dev(oh->ot_super.th_dev)), op);
1225 libcfs_debug_dumpstack(NULL);
1228 oti->oti_declare_ops[op]++;
1229 oti->oti_declare_ops_cred[op] += credits;
1231 oh->ot_credits += credits;
1234 /* linux: v5.4-rc3-21-g933f1c1e0b75 renamed h_buffer_credits */
1235 #ifdef HAVE_JOURNAL_TOTAL_CREDITS
1236 #define h_buffer_credits h_total_credits
1239 static inline void osd_trans_exec_op(const struct lu_env *env,
1241 enum osd_op_type op)
1243 struct osd_thread_info *oti = osd_oti_get(env);
1244 struct osd_thandle *oh = container_of(th, struct osd_thandle,
1246 unsigned int rb, left;
1248 LASSERT(oh->ot_handle != NULL);
1249 if (unlikely(op >= OSD_OT_MAX)) {
1250 if (unlikely(ldiskfs_track_declares_assert))
1251 LASSERT(op < OSD_OT_MAX);
1253 CWARN("%s: opcode %u: invalid value >= %u\n",
1254 osd_name(osd_dt_dev(oh->ot_super.th_dev)),
1256 libcfs_debug_dumpstack(NULL);
1261 /* find rollback (or reverse) operation for the given one
1262 * such an operation doesn't require additional credits
1263 * as the same set of blocks are modified */
1264 rb = osd_trans_declare_op2rb[op];
1266 /* check whether credits for this operation were reserved at all */
1267 if (unlikely(oti->oti_declare_ops_cred[op] == 0 &&
1268 oti->oti_declare_ops_cred[rb] == 0)) {
1269 /* the API is not perfect yet: CREATE does REF_ADD internally
1270 * while DESTROY does not. To rollback CREATE the callers
1271 * needs to call REF_DEL+DESTROY which is hard to detect using
1272 * a simple table of rollback operations */
1273 if (op == OSD_OT_REF_DEL &&
1274 oti->oti_declare_ops_cred[OSD_OT_CREATE] > 0)
1276 if (op == OSD_OT_REF_ADD &&
1277 oti->oti_declare_ops_cred[OSD_OT_DESTROY] > 0)
1279 CWARN("%s: opcode %u: credits = 0, rollback = %u\n",
1280 osd_name(osd_dt_dev(oh->ot_super.th_dev)), op, rb);
1281 osd_trans_dump_creds(env, th);
1282 LASSERT(!ldiskfs_track_declares_assert);
1286 /* remember how many credits we have unused before the operation */
1287 oti->oti_credits_before = oh->ot_handle->h_buffer_credits;
1288 left = oti->oti_declare_ops_cred[op] - oti->oti_declare_ops_used[op];
1289 if (unlikely(oti->oti_credits_before < left)) {
1290 CWARN("%s: opcode %u: before %u < left %u, rollback = %u\n",
1291 osd_name(osd_dt_dev(oh->ot_super.th_dev)), op,
1292 oti->oti_credits_before, left, rb);
1293 osd_trans_dump_creds(env, th);
1294 /* on a very small fs (testing?) it's possible that
1295 * the transaction can't fit 1/4 of journal, so we
1296 * just request less credits (see osd_trans_start()).
1297 * ignore the same case here */
1298 rb = osd_transaction_size(osd_dt_dev(th->th_dev));
1299 if (unlikely(oh->ot_credits < rb))
1300 LASSERT(!ldiskfs_track_declares_assert);
1304 static inline void osd_trans_exec_check(const struct lu_env *env,
1306 enum osd_op_type op)
1308 struct osd_thread_info *oti = osd_oti_get(env);
1309 struct osd_thandle *oh = container_of(th, struct osd_thandle,
1311 int used, over, quota;
1313 /* how many credits have been used by the operation */
1314 used = oti->oti_credits_before - oh->ot_handle->h_buffer_credits;
1316 if (unlikely(used < 0)) {
1317 /* if some block was allocated and released in the same
1318 * transaction, then it won't be a part of the transaction
1319 * and delta can be negative */
1324 /* rollback operations (e.g. when we destroy just created
1325 * object) should not consume any credits. there is no point
1326 * to confuse the checks below */
1330 oti->oti_declare_ops_used[op] += used;
1331 if (oti->oti_declare_ops_used[op] <= oti->oti_declare_ops_cred[op])
1334 /* we account quota for a whole transaction and any operation can
1335 * consume corresponding credits */
1336 over = oti->oti_declare_ops_used[op] -
1337 oti->oti_declare_ops_cred[op];
1338 quota = oti->oti_declare_ops_cred[OSD_OT_QUOTA] -
1339 oti->oti_declare_ops_used[OSD_OT_QUOTA];
1340 if (over <= quota) {
1341 /* probably that credits were consumed by
1342 * quota indirectly (in the depths of ldiskfs) */
1343 oti->oti_declare_ops_used[OSD_OT_QUOTA] += over;
1344 oti->oti_declare_ops_used[op] -= over;
1346 CWARN("%s: opcode %d: used %u, used now %u, reserved %u\n",
1347 osd_name(osd_dt_dev(oh->ot_super.th_dev)), op,
1348 oti->oti_declare_ops_used[op], used,
1349 oti->oti_declare_ops_cred[op]);
1350 osd_trans_dump_creds(env, th);
1351 if (unlikely(ldiskfs_track_declares_assert))
1357 * Helper function to pack the fid, ldiskfs stores fid in packed format.
1360 void osd_fid_pack(struct osd_fid_pack *pack, const struct dt_rec *fid,
1361 struct lu_fid *befider)
1363 fid_cpu_to_be(befider, (struct lu_fid *)fid);
1364 memcpy(pack->fp_area, befider, sizeof(*befider));
1365 pack->fp_len = sizeof(*befider) + 1;
1369 int osd_fid_unpack(struct lu_fid *fid, const struct osd_fid_pack *pack)
1374 switch (pack->fp_len) {
1375 case sizeof *fid + 1:
1376 memcpy(fid, pack->fp_area, sizeof *fid);
1377 fid_be_to_cpu(fid, fid);
1380 CERROR("Unexpected packed fid size: %d\n", pack->fp_len);
1387 * Quota/Accounting handling
1389 extern const struct dt_index_operations osd_acct_index_ops;
1390 int osd_acct_obj_lookup(struct osd_thread_info *info, struct osd_device *osd,
1391 const struct lu_fid *fid, struct osd_inode_id *id);
1393 /* copy from fs/ext4/dir.c */
1394 static inline int is_32bit_api(void)
1396 #ifdef CONFIG_COMPAT
1397 return in_compat_syscall();
1399 return (BITS_PER_LONG == 32);
1403 static inline loff_t ldiskfs_get_htree_eof(struct file *filp)
1405 if ((filp->f_mode & FMODE_32BITHASH) ||
1406 (!(filp->f_mode & FMODE_64BITHASH) && is_32bit_api()))
1407 return LDISKFS_HTREE_EOF_32BIT;
1409 return LDISKFS_HTREE_EOF_64BIT;
1412 static inline int fid_is_internal(const struct lu_fid *fid)
1414 return (!fid_is_namespace_visible(fid) && !fid_is_idif(fid));
1417 static inline bool is_remote_parent_ino(struct osd_device *o, unsigned long ino)
1422 LASSERT(o->od_mdt_map != NULL);
1424 return ino == o->od_mdt_map->omm_remote_parent->d_inode->i_ino;
1428 * ext4_bread/ldiskfs_bread has either 5 or 4 parameters. The error
1429 * return code has been removed and integrated into the pointer in the
1432 static inline struct buffer_head *__ldiskfs_bread(handle_t *handle,
1433 struct inode *inode,
1434 ldiskfs_lblk_t block,
1438 struct buffer_head *bh;
1441 rc = osd_attach_jinode(inode);
1445 #ifdef HAVE_EXT4_BREAD_4ARGS
1446 bh = ldiskfs_bread(handle, inode, block, create);
1449 bh = ldiskfs_bread(handle, inode, block, create, &rc);
1450 if (bh == NULL && rc != 0)
1456 #ifndef HAVE_BIO_INTEGRITY_ENABLED
1457 bool bio_integrity_enabled(struct bio *bio);
1461 # define bio_get_dev(bio) ((bio)->bi_bdev)
1462 # define bio_get_disk(bio) (bio_get_dev(bio)->bd_disk)
1463 # define bio_get_queue(bio) bdev_get_queue(bio_get_dev(bio))
1464 # define bio_set_dev(bio, bdev) (bio_get_dev(bio) = (bdev))
1466 # define bio_get_disk(bio) ((bio)->bi_disk)
1467 # define bio_get_queue(bio) (bio_get_disk(bio)->queue)
1470 void ldiskfs_inc_count(handle_t *handle, struct inode *inode);
1471 void ldiskfs_dec_count(handle_t *handle, struct inode *inode);
1473 void osd_fini_iobuf(struct osd_device *d, struct osd_iobuf *iobuf);
1476 osd_index_register(struct osd_device *osd, const struct lu_fid *fid,
1477 __u32 keysize, __u32 recsize)
1479 return lustre_index_register(&osd->od_dt_dev, osd_name(osd),
1480 &osd->od_index_backup_list, &osd->od_lock,
1481 &osd->od_index_backup_stop,
1482 fid, keysize, recsize);
1486 osd_index_backup(const struct lu_env *env, struct osd_device *osd, bool backup)
1488 struct osd_thread_info *info = osd_oti_get(env);
1489 struct lu_fid *fid = &info->oti_fid3;
1490 struct osd_inode_id *id = &info->oti_id3;
1492 lu_local_obj_fid(fid, INDEX_BACKUP_OID);
1493 osd_id_gen(id, osd->od_index_backup_inode->i_ino,
1494 osd->od_index_backup_inode->i_generation);
1495 osd_add_oi_cache(info, osd, id, fid);
1497 lustre_index_backup(env, &osd->od_dt_dev, osd_name(osd),
1498 &osd->od_index_backup_list, &osd->od_lock,
1499 &osd->od_index_backup_stop, backup);
1502 #ifdef LDISKFS_HAS_INCOMPAT_FEATURE
1504 # ifdef LDISKFS_FEATURE_INCOMPAT_EXTENTS
1505 # define ldiskfs_has_feature_extents(sb) \
1506 LDISKFS_HAS_INCOMPAT_FEATURE(sb, LDISKFS_FEATURE_INCOMPAT_EXTENTS)
1508 # ifdef LDISKFS_FEATURE_INCOMPAT_EA_INODE
1509 # define ldiskfs_has_feature_ea_inode(sb) \
1510 LDISKFS_HAS_INCOMPAT_FEATURE(sb, LDISKFS_FEATURE_INCOMPAT_EA_INODE)
1512 # ifdef LDISKFS_FEATURE_INCOMPAT_DIRDATA
1513 # define ldiskfs_has_feature_dirdata(sb) \
1514 LDISKFS_HAS_INCOMPAT_FEATURE(sb, LDISKFS_FEATURE_INCOMPAT_DIRDATA)
1516 # ifdef LDISKFS_FEATURE_COMPAT_HAS_JOURNAL
1517 # define ldiskfs_has_feature_journal(sb) \
1518 LDISKFS_HAS_COMPAT_FEATURE(sb, LDISKFS_FEATURE_COMPAT_HAS_JOURNAL)
1520 # ifdef LDISKFS_FEATURE_RO_COMPAT_QUOTA
1521 # define ldiskfs_has_feature_quota(sb) \
1522 LDISKFS_HAS_RO_COMPAT_FEATURE(sb, LDISKFS_FEATURE_RO_COMPAT_QUOTA)
1524 # ifdef LDISKFS_FEATURE_RO_COMPAT_PROJECT
1525 # define ldiskfs_has_feature_project(sb) \
1526 LDISKFS_HAS_RO_COMPAT_FEATURE(sb, LDISKFS_FEATURE_RO_COMPAT_PROJECT)
1531 int osd_trunc_lock(struct osd_object *obj, struct osd_thandle *oh,
1533 void osd_trunc_unlock_all(const struct lu_env *env, struct list_head *list);
1534 void osd_process_truncates(struct list_head *list);
1535 void osd_execute_truncate(struct osd_object *obj);
1537 #ifdef HAVE_BIO_ENDIO_USES_ONE_ARG
1538 #define osd_dio_complete_routine(bio, error) dio_complete_routine(bio)
1540 #define osd_dio_complete_routine(bio, error) dio_complete_routine(bio, error)
1543 #ifndef HAVE___BI_CNT
1544 #define __bi_cnt bi_cnt
1548 #define bi_opf bi_rw
1551 #ifndef HAVE_CLEAN_BDEV_ALIASES
1552 #define clean_bdev_aliases(bdev, block, len) \
1553 unmap_underlying_metadata((bdev), (block))
1556 #ifndef HAVE_BI_STATUS
1557 #define bi_status bi_error
1561 * Maximum size of xattr attributes for FEATURE_INCOMPAT_EA_INODE 1Mb
1562 * This limit is arbitrary, but is reasonable for the xattr API.
1564 #define LDISKFS_XATTR_MAX_LARGE_EA_SIZE (1024 * 1024)
1566 struct osd_bio_private {
1567 struct osd_iobuf *obp_iobuf;
1568 /* Start page index in the obp_iobuf for the bio */
1569 int obp_start_page_idx;
1572 #ifdef HAVE_BIO_INTEGRITY_PREP_FN
1573 int osd_get_integrity_profile(struct osd_device *osd,
1574 integrity_gen_fn **generate_fn,
1575 integrity_vrfy_fn **verify_fn);
1577 #define integrity_gen_fn void
1578 #define integrity_vrfy_fn int
1579 static inline int osd_get_integrity_profile(struct osd_device *osd,
1580 integrity_gen_fn **generate_fn,
1581 integrity_vrfy_fn **verify_fn)
1586 static inline bool bio_integrity_prep_fn(struct bio *bio,
1587 integrity_gen_fn *generate_fn,
1588 integrity_vrfy_fn *verify_fn)
1590 return bio_integrity_prep(bio);
1594 #ifdef HAVE_BIO_BI_PHYS_SEGMENTS
1595 #define osd_bio_nr_segs(bio) ((bio)->bi_phys_segments)
1597 #define osd_bio_nr_segs(bio) bio_segments((bio))
1598 #endif /* HAVE_BIO_BI_PHYS_SEGMENTS */
1600 #endif /* _OSD_INTERNAL_H */