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 /* check if ldiskfs support project quota */
95 #ifndef LDISKFS_IOC_FSSETXATTR
96 #undef HAVE_PROJECT_QUOTA
99 #define OBD_BRW_MAPPED OBD_BRW_LOCAL1
101 struct osd_directory {
102 struct iam_container od_container;
103 struct iam_descr od_descr;
107 * Object Index (oi) instance.
111 * underlying index object, where fid->id mapping in stored.
113 struct inode *oi_inode;
114 struct osd_directory oi_dir;
117 extern const int osd_dto_credits_noquota[];
120 struct dt_object oo_dt;
122 * Inode for file system object represented by this osd_object. This
123 * inode is pinned for the whole duration of lu_object life.
125 * Not modified concurrently (either setup early during object
126 * creation, or assigned by osd_create() under write lock).
128 struct inode *oo_inode;
130 * to protect index ops.
132 struct htree_lock_head *oo_hl_head;
133 struct rw_semaphore oo_ext_idx_sem;
134 struct rw_semaphore oo_sem;
135 struct osd_directory *oo_dir;
136 /** protects inode attributes. */
140 * Following two members *compat_dot* are used to indicate
141 * the presence of dot and dotdot in the given directory.
142 * This is required for interop mode (b11826).
144 __u32 oo_destroyed:1,
146 oo_compat_dot_created:1,
147 oo_compat_dotdot_created:1;
149 /* the i_flags in LMA */
152 const struct lu_env *oo_owner;
154 struct list_head oo_xattr_list;
155 struct lu_object_header *oo_header;
156 __u64 oo_dirent_count;
160 /* protects on-fly initialization */
161 int oos_subdir_count; /* subdir count for each seq */
162 struct dentry *oos_root; /* O/<seq> */
163 struct dentry **oos_dirs; /* O/<seq>/d0-dXX */
164 u64 oos_seq; /* seq number */
165 struct list_head oos_seq_list; /* list to seq_list */
169 struct dentry *om_root; /* dentry for /O */
170 rwlock_t om_seq_list_lock; /* lock for seq_list */
171 struct list_head om_seq_list; /* list head for seq */
173 struct mutex om_dir_init_mutex;
177 struct dentry *om_root; /* AGENT/<index> */
178 u64 om_index; /* mdt index */
179 struct list_head om_list; /* list to omm_list */
182 struct osd_mdobj_map {
183 struct dentry *omm_remote_parent;
185 int osd_ldiskfs_add_entry(struct osd_thread_info *info, struct osd_device *osd,
186 handle_t *handle, struct dentry *child,
187 struct inode *inode, struct htree_lock *hlock);
189 #define OSD_OTABLE_IT_CACHE_SIZE 64
190 #define OSD_OTABLE_IT_CACHE_MASK (~(OSD_OTABLE_IT_CACHE_SIZE - 1))
192 struct osd_inconsistent_item {
193 /* link into lustre_scrub::os_inconsistent_items,
194 * protected by lustre_scrub::os_lock. */
195 struct list_head oii_list;
197 /* The right FID <=> ino#/gen mapping. */
198 struct osd_idmap_cache oii_cache;
200 unsigned int oii_insert:1; /* insert or update mapping. */
203 struct osd_otable_cache {
204 struct osd_idmap_cache ooc_cache[OSD_OTABLE_IT_CACHE_SIZE];
206 /* Index for next cache slot to be filled. */
207 int ooc_producer_idx;
209 /* Index for next cache slot to be returned by it::next(). */
210 int ooc_consumer_idx;
212 /* How many items in ooc_cache. */
213 __u64 ooc_cached_items;
215 /* Position for up layer LFSCK iteration pre-loading. */
216 __u64 ooc_pos_preload;
219 struct osd_otable_it {
220 struct osd_device *ooi_dev;
221 struct osd_otable_cache ooi_cache;
222 struct osd_iit_param ooi_iit_param;
224 /* The following bits can be updated/checked w/o lock protection.
225 * If more bits will be introduced in the future and need lock to
226 * protect, please add comment. */
227 unsigned long ooi_used_outside:1, /* Some user out of OSD
228 * uses the iteration. */
229 ooi_all_cached:1, /* No more entries can be
230 * filled into cache. */
231 ooi_user_ready:1, /* The user out of OSD is
232 * ready to iterate. */
233 ooi_waiting:1; /* it::next is waiting. */
236 struct osd_obj_orphan {
237 struct list_head oor_list;
238 struct lu_env *oor_env; /* to identify "own" records */
243 OSD_T10_TYPE_UNKNOWN = 0,
255 struct dt_device od_dt_dev;
256 /* information about underlying file system */
257 struct vfsmount *od_mnt;
259 struct osd_oi **od_oi_table;
260 /* total number of OI containers */
265 unsigned int od_fl_capa:1,
275 __s64 od_auto_scrub_interval;
276 __u32 od_dirent_journal;
278 struct proc_dir_entry *od_proc_entry;
279 struct lprocfs_stats *od_stats;
281 spinlock_t od_osfs_lock;
284 struct lu_site od_site;
286 struct osd_obj_map *od_ost_map;
287 struct osd_mdobj_map *od_mdt_map;
289 /* objects with size > od_readcache_max_filesize will be
290 * served bypassing pagecache unless already cached */
291 unsigned long long od_readcache_max_filesize;
293 /* reads > od_readcache_max_iosize will be
294 * served bypassing pagecache unless already cached */
295 unsigned long od_readcache_max_iosize;
297 /* writes > od_writethough_max_iosize will be
298 * served bypassing pagecache unless already cached */
299 unsigned long od_writethrough_max_iosize;
302 int od_writethrough_cache;
304 struct brw_stats od_brw_stats;
305 atomic_t od_r_in_flight;
306 atomic_t od_w_in_flight;
308 struct mutex od_otable_mutex;
309 struct osd_otable_it *od_otable_it;
310 struct osd_scrub od_scrub;
311 struct list_head od_ios_list;
313 /* service name associated with the osd device */
314 char od_svname[MAX_OBD_NAME];
315 char od_mntdev[MAX_OBD_NAME];
318 /* quota slave instance for inode */
319 struct qsd_instance *od_quota_slave_md;
321 /* quota slave instance for block */
322 struct qsd_instance *od_quota_slave_dt;
324 /* osd seq instance */
325 struct lu_client_seq *od_cl_seq;
326 /* If the ratio of "the total OI mappings count" vs
327 * "the bad OI mappings count" is lower than the
328 * osd_device::od_full_scrub_ratio, then trigger
329 * OI scrub to scan the whole the device. */
330 __u64 od_full_scrub_ratio;
331 /* If the speed of found bad OI mappings (per minute)
332 * exceeds the osd_device::od_full_scrub_threshold_rate,
333 * then trigger OI scrub to scan the whole device. */
334 __u64 od_full_scrub_threshold_rate;
336 /* a list of orphaned agent inodes, protected with od_osfs_lock */
337 struct list_head od_orphan_list;
338 struct list_head od_index_backup_list;
339 struct list_head od_index_restore_list;
341 struct inode *od_index_backup_inode;
342 enum lustre_index_backup_policy od_index_backup_policy;
343 int od_index_backup_stop;
344 /* T10PI type, zero if not supported */
345 enum osd_t10_type od_t10_type;
348 static inline struct qsd_instance *osd_def_qsd(struct osd_device *osd)
351 return osd->od_quota_slave_dt;
353 return osd->od_quota_slave_md;
356 enum osd_full_scrub_ratio {
357 /* Trigger OI scrub to scan the whole device directly. */
360 /* Because the bad OI mappings count cannot be larger than
361 * the total OI mappints count, then setting OFSR_NEVER means
362 * that the whole device scanning cannot be triggered by auto
363 * detected bad OI mappings during the RPC services. */
365 OFSR_DEFAULT = 10000,
368 #define FULL_SCRUB_THRESHOLD_RATE_DEFAULT 60
370 /* There are at most 15 uid/gid/projids are affected in a transaction, and
371 * that's rename case:
372 * - 3 for source parent uid & gid & projid;
373 * - 3 for source child uid & gid & projid ('..' entry update when
374 * child is directory);
375 * - 3 for target parent uid & gid & projid;
376 * - 3 for target child uid & gid & projid(if the target child exists);
377 * - 3 for root uid & gid(last_rcvd, llog, etc);
380 #define OSD_MAX_UGID_CNT 15
398 struct osd_access_lock {
399 struct list_head tl_list;
400 struct osd_object *tl_obj;
406 struct thandle ot_super;
408 struct ldiskfs_journal_cb_entry ot_jcb;
409 struct list_head ot_commit_dcb_list;
410 struct list_head ot_stop_dcb_list;
411 /* Link to the device, for debugging. */
412 struct lu_ref_link ot_dev_link;
413 unsigned int ot_credits;
415 /* quota IDs related to the transaction */
416 unsigned short ot_id_cnt;
417 __u8 ot_id_res[OSD_MAX_UGID_CNT];
418 __u8 ot_id_types[OSD_MAX_UGID_CNT];
419 uid_t ot_id_array[OSD_MAX_UGID_CNT];
420 struct lquota_trans *ot_quota_trans;
422 unsigned int ot_remove_agents:1;
423 #if OSD_THANDLE_STATS
424 /** time when this handle was allocated */
427 /** time when this thanle was started */
430 struct list_head ot_trunc_locks;
434 * Basic transaction credit op
455 #ifdef CONFIG_PROC_FS
457 LPROC_OSD_READ_BYTES = 0,
458 LPROC_OSD_WRITE_BYTES = 1,
459 LPROC_OSD_GET_PAGE = 2,
460 LPROC_OSD_NO_PAGE = 3,
461 LPROC_OSD_CACHE_ACCESS = 4,
462 LPROC_OSD_CACHE_HIT = 5,
463 LPROC_OSD_CACHE_MISS = 6,
465 #if OSD_THANDLE_STATS
466 LPROC_OSD_THANDLE_STARTING,
467 LPROC_OSD_THANDLE_OPEN,
468 LPROC_OSD_THANDLE_CLOSING,
475 * Storage representation for fids.
477 * Variable size, first byte contains the length of the whole record.
479 struct osd_fid_pack {
480 unsigned char fp_len;
481 char fp_area[sizeof(struct lu_fid)];
484 struct osd_it_ea_dirent {
485 struct lu_fid oied_fid;
488 unsigned short oied_namelen;
489 unsigned int oied_type;
491 } __attribute__((packed));
494 * as osd_it_ea_dirent (in memory dirent struct for osd) is greater
495 * than lu_dirent struct. osd readdir reads less number of dirent than
496 * required for mdd dir page. so buffer size need to be increased so that
497 * there would be one ext3 readdir for every mdd readdir page.
500 #define OSD_IT_EA_BUFSIZE (PAGE_SIZE + PAGE_SIZE/4)
503 * This is iterator's in-memory data structure in interoperability
504 * mode (i.e. iterator over ldiskfs style directory)
507 struct osd_object *oie_obj;
508 /** used in ldiskfs iterator, to stored file pointer */
509 struct file oie_file;
510 /** how many entries have been read-cached from storage */
512 /** current entry is being iterated by caller */
514 /** current processing entry */
515 struct osd_it_ea_dirent *oie_dirent;
516 /** buffer to hold entries, size == OSD_IT_EA_BUFSIZE */
518 struct dentry oie_dentry;
522 * Iterator's in-memory data structure for IAM mode.
525 struct osd_object *oi_obj;
526 struct iam_path_descr *oi_ipd;
527 struct iam_iterator oi_it;
530 struct osd_quota_leaf {
531 struct list_head oql_link;
536 * Iterator's in-memory data structure for quota file.
538 struct osd_it_quota {
539 struct osd_object *oiq_obj;
540 /** tree blocks path to where the entry is stored */
541 uint oiq_blk[LUSTRE_DQTREEDEPTH + 1];
542 /** on-disk offset for current key where quota record can be found */
544 /** identifier for current quota record */
546 /** the record index in the leaf/index block */
547 uint oiq_index[LUSTRE_DQTREEDEPTH + 1];
548 /** list of already processed leaf blocks */
549 struct list_head oiq_list;
552 #define MAX_BLOCKS_PER_PAGE (PAGE_SIZE / 512)
555 wait_queue_head_t dr_wait;
556 atomic_t dr_numreqs; /* number of reqs being processed */
561 unsigned int dr_elapsed_valid:1; /* we really did count time */
562 unsigned int dr_rw:1;
563 struct lu_buf dr_pg_buf;
564 struct page **dr_pages;
565 struct niobuf_local **dr_lnbs;
566 struct lu_buf dr_bl_buf;
567 struct lu_buf dr_lnb_buf;
569 ktime_t dr_start_time;
570 ktime_t dr_elapsed; /* how long io took */
571 struct osd_device *dr_dev;
572 unsigned int dr_init_at; /* the line iobuf was initialized */
575 int osd_security_file_alloc(struct file *file);
577 #define osd_dirty_inode(inode, flag) (inode)->i_sb->s_op->dirty_inode((inode), flag)
579 #ifdef HAVE_INODE_TIMESPEC64
580 # define osd_timespec timespec64
582 # define osd_timespec timespec
585 static inline struct osd_timespec osd_inode_time(struct inode *inode,
588 struct osd_timespec ts = { .tv_sec = seconds };
593 #define OSD_INS_CACHE_SIZE 8
595 struct osd_thread_info {
596 const struct lu_env *oti_env;
598 * used for index operations.
600 struct dentry oti_obj_dentry;
601 struct dentry oti_child_dentry;
603 /** dentry for Iterator context. */
604 struct dentry oti_it_dentry;
607 /* fake struct file for osd_object_sync */
608 struct file oti_file;
610 struct kstatfs oti_ksfs;
613 struct htree_lock *oti_hlock;
615 struct lu_fid oti_fid;
616 struct lu_fid oti_fid2;
617 struct lu_fid oti_fid3;
618 struct osd_inode_id oti_id;
619 struct osd_inode_id oti_id2;
620 struct osd_inode_id oti_id3;
621 struct ost_id oti_ostid;
624 * following ipd and it structures are used for osd_index_iam_lookup()
625 * these are defined separately as we might do index operation
626 * in open iterator session.
629 /** pre-allocated buffer used by oti_it_ea, size OSD_IT_EA_BUFSIZE */
631 unsigned int oti_it_ea_buf_used:1;
633 /* IAM iterator for index operation. */
634 struct iam_iterator oti_idx_it;
636 /** union to guarantee that ->oti_ipd[] has proper alignment. */
639 char oti_it_ipd[DX_IPD_MAX_SIZE];
640 long long oti_alignment_lieutenant;
644 char oti_idx_ipd[DX_IPD_MAX_SIZE];
645 long long oti_alignment_lieutenant_colonel;
648 struct osd_idmap_cache oti_cache;
650 /* dedicated OI cache for insert (which needs inum) */
651 struct osd_idmap_cache *oti_ins_cache;
652 int oti_ins_cache_size;
653 int oti_ins_cache_used;
654 /* inc by osd_trans_create and dec by osd_trans_stop */
655 int oti_ins_cache_depth;
660 /** used in osd_fid_set() to put xattr */
661 struct lu_buf oti_buf;
662 struct lu_buf oti_big_buf;
663 /** used in osd_ea_fid_set() to set fid into common ea */
665 struct lustre_ost_attrs oti_ost_attrs;
666 struct filter_fid_18_23 oti_ff_old;
667 struct filter_fid oti_ff;
670 struct osd_iobuf oti_iobuf;
671 /* used to access objects in /O */
672 struct inode *oti_inode;
673 #define OSD_FID_REC_SZ 32
674 char oti_ldp[OSD_FID_REC_SZ];
675 char oti_ldp2[OSD_FID_REC_SZ];
677 /* used by quota code */
679 #if defined(HAVE_DQUOT_QC_DQBLK)
680 struct qc_dqblk oti_qdq;
682 struct fs_disk_quota oti_fdq;
684 struct if_dqinfo oti_dqinfo;
686 struct lquota_id_info oti_qi;
687 struct lquota_trans oti_quota_trans;
688 union lquota_rec oti_quota_rec;
690 struct lu_seq_range oti_seq_range;
692 /* Tracking for transaction credits, to allow debugging and optimizing
693 * cases where a large number of credits are being allocated for
694 * single transaction. */
695 unsigned int oti_credits_before;
696 unsigned int oti_declare_ops[OSD_OT_MAX];
697 unsigned int oti_declare_ops_cred[OSD_OT_MAX];
698 unsigned int oti_declare_ops_used[OSD_OT_MAX];
699 struct osd_directory oti_iam;
701 struct page **oti_dio_pages;
702 int oti_dio_pages_used;
705 extern int ldiskfs_pdo;
707 /* autoconf test is in lustre-build-ldiskfs.m4 */
708 #ifdef HAVE_BVEC_ITER_ALL
709 #define DECLARE_BVEC_ITER_ALL(iter) struct bvec_iter_all iter
711 #define DECLARE_BVEC_ITER_ALL(iter) int iter
714 static inline int __osd_xattr_get(struct inode *inode, struct dentry *dentry,
715 const char *name, void *buf, int len)
720 dentry->d_inode = inode;
721 dentry->d_sb = inode->i_sb;
722 return ll_vfs_getxattr(dentry, inode, name, buf, len);
725 static inline int __osd_xattr_set(struct osd_thread_info *info,
726 struct inode *inode, const char *name,
727 const void *buf, int buflen, int fl)
729 struct dentry *dentry = &info->oti_child_dentry;
731 dquot_initialize(inode);
732 dentry->d_inode = inode;
733 dentry->d_sb = inode->i_sb;
734 return ll_vfs_setxattr(dentry, inode, name, buf, buflen, fl);
737 #ifdef CONFIG_PROC_FS
739 extern struct lprocfs_vars lprocfs_osd_obd_vars[];
740 int osd_procfs_init(struct osd_device *osd, const char *name);
741 int osd_procfs_fini(struct osd_device *osd);
742 void osd_brw_stats_update(struct osd_device *osd, struct osd_iobuf *iobuf);
743 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 52, 0)
744 int osd_register_proc_index_in_idif(struct osd_device *osd);
748 int osd_statfs(const struct lu_env *env, struct dt_device *dev,
749 struct obd_statfs *sfs, struct obd_statfs_info *info);
750 struct inode *osd_iget(struct osd_thread_info *info, struct osd_device *dev,
751 struct osd_inode_id *id);
753 osd_iget_fid(struct osd_thread_info *info, struct osd_device *dev,
754 struct osd_inode_id *id, struct lu_fid *fid);
755 int osd_ea_fid_set(struct osd_thread_info *info, struct inode *inode,
756 const struct lu_fid *fid, __u32 compat, __u32 incompat);
757 int osd_get_lma(struct osd_thread_info *info, struct inode *inode,
758 struct dentry *dentry, struct lustre_ost_attrs *loa);
759 void osd_add_oi_cache(struct osd_thread_info *info, struct osd_device *osd,
760 struct osd_inode_id *id, const struct lu_fid *fid);
761 int osd_get_idif(struct osd_thread_info *info, struct inode *inode,
762 struct dentry *dentry, struct lu_fid *fid);
764 int osd_obj_map_init(const struct lu_env *env, struct osd_device *osd);
765 void osd_obj_map_fini(struct osd_device *dev);
766 int osd_obj_map_lookup(struct osd_thread_info *info, struct osd_device *osd,
767 const struct lu_fid *fid, struct osd_inode_id *id);
768 int osd_obj_map_insert(struct osd_thread_info *info, struct osd_device *osd,
769 const struct lu_fid *fid, const struct osd_inode_id *id,
771 int osd_obj_map_delete(struct osd_thread_info *info, struct osd_device *osd,
772 const struct lu_fid *fid, handle_t *th);
773 int osd_obj_map_update(struct osd_thread_info *info, struct osd_device *osd,
774 const struct lu_fid *fid, const struct osd_inode_id *id,
776 int osd_obj_map_recover(struct osd_thread_info *info, struct osd_device *osd,
777 struct inode *src_parent, struct dentry *src_child,
778 const struct lu_fid *fid);
779 int osd_obj_spec_lookup(struct osd_thread_info *info, struct osd_device *osd,
780 const struct lu_fid *fid, struct osd_inode_id *id,
781 enum oi_check_flags flags);
782 int osd_obj_spec_insert(struct osd_thread_info *info, struct osd_device *osd,
783 const struct lu_fid *fid, const struct osd_inode_id *id,
785 int osd_obj_spec_update(struct osd_thread_info *info, struct osd_device *osd,
786 const struct lu_fid *fid, const struct osd_inode_id *id,
789 char *osd_lf_fid2name(const struct lu_fid *fid);
790 int osd_scrub_start(const struct lu_env *env, struct osd_device *dev,
792 void osd_scrub_stop(struct osd_device *dev);
793 int osd_scrub_setup(const struct lu_env *env, struct osd_device *dev);
794 void osd_scrub_cleanup(const struct lu_env *env, struct osd_device *dev);
795 int osd_oii_insert(struct osd_device *dev, struct osd_idmap_cache *oic,
797 int osd_oii_lookup(struct osd_device *dev, const struct lu_fid *fid,
798 struct osd_inode_id *id);
799 void osd_scrub_dump(struct seq_file *m, struct osd_device *dev);
801 struct dentry *osd_lookup_one_len_unlocked(struct osd_device *dev,
803 struct dentry *base, int len);
804 struct dentry *osd_lookup_one_len(struct osd_device *dev, const char *name,
805 struct dentry *base, int len);
807 int osd_fld_lookup(const struct lu_env *env, struct osd_device *osd,
808 u64 seq, struct lu_seq_range *range);
810 int osd_delete_from_remote_parent(const struct lu_env *env,
811 struct osd_device *osd,
812 struct osd_object *obj,
813 struct osd_thandle *oh, bool destroy);
814 int osd_add_to_remote_parent(const struct lu_env *env, struct osd_device *osd,
815 struct osd_object *obj, struct osd_thandle *oh);
816 int osd_lookup_in_remote_parent(struct osd_thread_info *oti,
817 struct osd_device *osd,
818 const struct lu_fid *fid,
819 struct osd_inode_id *id);
821 int osd_ost_seq_exists(struct osd_thread_info *info, struct osd_device *osd,
823 /* osd_quota_fmt.c */
824 int walk_tree_dqentry(const struct lu_env *env, struct osd_object *obj,
825 int type, uint blk, int depth, uint index,
826 struct osd_it_quota *it);
827 int walk_block_dqentry(const struct lu_env *env, struct osd_object *obj,
828 int type, uint blk, uint index,
829 struct osd_it_quota *it);
830 loff_t find_tree_dqentry(const struct lu_env *env,
831 struct osd_object *obj, int type,
832 qid_t dqid, uint blk, int depth,
833 struct osd_it_quota *it);
835 int osd_declare_qid(const struct lu_env *env, struct osd_thandle *oh,
836 struct lquota_id_info *qi, struct osd_object *obj,
837 bool enforce, enum osd_quota_local_flags *local_flags);
838 int osd_declare_inode_qid(const struct lu_env *env, qid_t uid, qid_t gid,
839 __u32 projid, long long space, struct osd_thandle *oh,
840 struct osd_object *obj,
841 enum osd_quota_local_flags *local_flags,
842 enum osd_qid_declare_flags);
843 const struct dt_rec *osd_quota_pack(struct osd_object *obj,
844 const struct dt_rec *rec,
845 union lquota_rec *quota_rec);
846 void osd_quota_unpack(struct osd_object *obj, const struct dt_rec *rec);
848 #ifdef HAVE_PROJECT_QUOTA
849 static inline __u32 i_projid_read(struct inode *inode)
851 return (__u32)from_kprojid(&init_user_ns, LDISKFS_I(inode)->i_projid);
854 static inline void i_projid_write(struct inode *inode, __u32 projid)
857 kprojid = make_kprojid(&init_user_ns, (projid_t)projid);
858 LDISKFS_I(inode)->i_projid = kprojid;
861 static inline uid_t i_projid_read(struct inode *inode)
865 static inline void i_projid_write(struct inode *inode, __u32 projid)
871 #ifdef HAVE_LDISKFS_IGET_WITH_FLAGS
872 # define osd_ldiskfs_iget(sb, ino) \
873 ldiskfs_iget((sb), (ino), \
874 LDISKFS_IGET_HANDLE | LDISKFS_IGET_SPECIAL)
876 # define osd_ldiskfs_iget(sb, ino) ldiskfs_iget((sb), (ino))
879 #ifdef HAVE_LDISKFS_INFO_JINODE
880 # define osd_attach_jinode(inode) ldiskfs_inode_attach_jinode(inode)
881 #else /* HAVE_LDISKFS_INFO_JINODE */
882 # define osd_attach_jinode(inode) 0
883 #endif /* HAVE_LDISKFS_INFO_JINODE */
885 #ifdef LDISKFS_HT_MISC
886 # define osd_journal_start_sb(sb, type, nblock) \
887 ldiskfs_journal_start_sb(sb, type, nblock)
888 static inline struct buffer_head *osd_ldiskfs_append(handle_t *handle,
890 ldiskfs_lblk_t *nblock)
894 rc = osd_attach_jinode(inode);
897 return ldiskfs_append(handle, inode, nblock);
900 # ifdef HAVE___LDISKFS_FIND_ENTRY
901 # define osd_ldiskfs_find_entry(dir, name, de, inlined, lock) \
902 (__ldiskfs_find_entry(dir, name, de, inlined, lock) ?: \
905 # define osd_ldiskfs_find_entry(dir, name, de, inlined, lock) \
906 (ldiskfs_find_entry_locked(dir, name, de, inlined, lock) ?: \
910 # define osd_journal_start(inode, type, nblocks) \
911 ldiskfs_journal_start(inode, type, nblocks)
912 # define osd_transaction_size(dev) \
913 (osd_journal(dev)->j_max_transaction_buffers / 2)
914 #else /* ! defined LDISKFS_HT_MISC */
915 # define LDISKFS_HT_MISC 0
916 # define osd_journal_start_sb(sb, type, nblock) \
917 ldiskfs_journal_start_sb(sb, nblock)
919 static inline struct buffer_head *osd_ldiskfs_append(handle_t *handle,
921 ldiskfs_lblk_t *nblock)
923 struct buffer_head *bh;
926 bh = ldiskfs_append(handle, inode, nblock, &err);
933 # ifdef HAVE___LDISKFS_FIND_ENTRY
934 # define osd_ldiskfs_find_entry(dir, name, de, inlined, lock) \
935 (__ldiskfs_find_entry(dir, name, de, lock) ?: \
938 # define osd_ldiskfs_find_entry(dir, name, de, inlined, lock) \
939 (ldiskfs_find_entry_locked(dir, name, de, lock) ?: \
942 # define osd_journal_start(inode, type, nblocks) \
943 ldiskfs_journal_start(inode, nblocks)
944 # define osd_transaction_size(dev) \
945 (osd_journal(dev)->j_max_transaction_buffers)
946 #endif /* LDISKFS_HT_MISC */
948 #ifndef HAVE___LDISKFS_FIND_ENTRY
949 # define __ldiskfs_add_entry(handle, child, inode, hlock) \
950 ldiskfs_add_entry_locked(handle, child, inode, hlock)
954 * Invariants, assertions.
958 * XXX: do not enable this, until invariant checking code is made thread safe
959 * in the face of pdirops locking.
961 #define OSD_INVARIANT_CHECKS (0)
963 #if OSD_INVARIANT_CHECKS
964 static inline int osd_invariant(const struct osd_object *obj)
968 ergo(obj->oo_inode != NULL,
969 obj->oo_inode->i_sb == osd_sb(osd_obj2dev(obj)) &&
970 atomic_read(&obj->oo_inode->i_count) > 0) &&
971 ergo(obj->oo_dir != NULL &&
972 obj->oo_dir->od_conationer.ic_object != NULL,
973 obj->oo_dir->od_conationer.ic_object == obj->oo_inode);
976 #define osd_invariant(obj) (1)
979 #define OSD_MAX_CACHE_SIZE OBD_OBJECT_EOF
980 #define OSD_READCACHE_MAX_IO_MB 8
981 #define OSD_WRITECACHE_MAX_IO_MB 8
983 extern const struct dt_index_operations osd_otable_ops;
985 static inline int osd_oi_fid2idx(struct osd_device *dev,
986 const struct lu_fid *fid)
988 return fid->f_seq & (dev->od_oi_count - 1);
991 static inline struct osd_oi *osd_fid2oi(struct osd_device *osd,
992 const struct lu_fid *fid)
994 LASSERTF(!fid_is_idif(fid), DFID"\n", PFID(fid));
995 LASSERTF(!fid_is_last_id(fid), DFID"\n", PFID(fid));
996 LASSERTF(osd->od_oi_table != NULL && osd->od_oi_count >= 1,
997 DFID"\n", PFID(fid));
998 /* It can work even od_oi_count equals to 1 although it's unexpected,
999 * the only reason we set it to 1 is for performance measurement */
1000 return osd->od_oi_table[osd_oi_fid2idx(osd, fid)];
1003 extern const struct lu_device_operations osd_lu_ops;
1005 static inline int lu_device_is_osd(const struct lu_device *d)
1007 return ergo(d != NULL && d->ld_ops != NULL, d->ld_ops == &osd_lu_ops);
1010 static inline struct osd_device *osd_dt_dev(const struct dt_device *d)
1012 LASSERT(lu_device_is_osd(&d->dd_lu_dev));
1013 return container_of(d, struct osd_device, od_dt_dev);
1016 static inline struct osd_device *osd_dev(const struct lu_device *d)
1018 LASSERT(lu_device_is_osd(d));
1019 return osd_dt_dev(container_of(d, struct dt_device, dd_lu_dev));
1022 static inline struct osd_device *osd_obj2dev(const struct osd_object *o)
1024 return osd_dev(o->oo_dt.do_lu.lo_dev);
1027 static inline struct super_block *osd_sb(const struct osd_device *dev)
1029 return dev->od_mnt->mnt_sb;
1032 static inline const char *osd_dev2name(const struct osd_device *dev)
1034 return osd_sb(dev)->s_id;
1037 static inline const char *osd_ino2name(const struct inode *inode)
1039 return inode->i_sb->s_id;
1043 * Put the osd object once done with it.
1045 * \param obj osd object that needs to be put
1047 static inline void osd_object_put(const struct lu_env *env,
1048 struct osd_object *obj)
1050 dt_object_put(env, &obj->oo_dt);
1053 static inline int osd_object_is_root(const struct osd_object *obj)
1055 return osd_sb(osd_obj2dev(obj))->s_root->d_inode == obj->oo_inode;
1058 static inline struct osd_object *osd_obj(const struct lu_object *o)
1060 LASSERT(lu_device_is_osd(o->lo_dev));
1061 return container_of(o, struct osd_object, oo_dt.do_lu);
1064 static inline struct osd_object *osd_dt_obj(const struct dt_object *d)
1066 return osd_obj(&d->do_lu);
1069 static inline struct lu_device *osd2lu_dev(struct osd_device *osd)
1071 return &osd->od_dt_dev.dd_lu_dev;
1074 static inline journal_t *osd_journal(const struct osd_device *dev)
1076 return LDISKFS_SB(osd_sb(dev))->s_journal;
1079 static inline struct seq_server_site *osd_seq_site(struct osd_device *osd)
1081 return osd->od_dt_dev.dd_lu_dev.ld_site->ld_seq_site;
1084 static inline char *osd_name(struct osd_device *osd)
1086 return osd->od_svname;
1089 static inline bool osd_is_ea_inode(struct inode *inode)
1091 return !!(LDISKFS_I(inode)->i_flags & LDISKFS_EA_INODE_FL);
1094 extern const struct dt_body_operations osd_body_ops;
1095 extern struct lu_context_key osd_key;
1097 static inline struct osd_thread_info *osd_oti_get(const struct lu_env *env)
1099 return lu_context_key_get(&env->le_ctx, &osd_key);
1102 extern const struct dt_body_operations osd_body_ops_new;
1108 struct iam_path_descr *osd_it_ipd_get(const struct lu_env *env,
1109 const struct iam_container *bag)
1111 return bag->ic_descr->id_ops->id_ipd_alloc(bag,
1112 osd_oti_get(env)->oti_it_ipd);
1116 struct iam_path_descr *osd_idx_ipd_get(const struct lu_env *env,
1117 const struct iam_container *bag)
1119 return bag->ic_descr->id_ops->id_ipd_alloc(bag,
1120 osd_oti_get(env)->oti_idx_ipd);
1123 static inline void osd_ipd_put(const struct lu_env *env,
1124 const struct iam_container *bag,
1125 struct iam_path_descr *ipd)
1127 bag->ic_descr->id_ops->id_ipd_free(ipd);
1130 int osd_calc_bkmap_credits(struct super_block *sb, struct inode *inode,
1131 const loff_t size, const loff_t pos,
1134 int osd_ldiskfs_read(struct inode *inode, void *buf, int size, loff_t *offs);
1137 struct dentry *osd_child_dentry_by_inode(const struct lu_env *env,
1138 struct inode *inode,
1139 const char *name, const int namelen)
1141 struct osd_thread_info *info = osd_oti_get(env);
1142 struct dentry *child_dentry = &info->oti_child_dentry;
1143 struct dentry *obj_dentry = &info->oti_obj_dentry;
1145 obj_dentry->d_inode = inode;
1146 obj_dentry->d_sb = inode->i_sb;
1147 obj_dentry->d_name.hash = 0;
1149 child_dentry->d_name.hash = 0;
1150 child_dentry->d_parent = obj_dentry;
1151 child_dentry->d_name.name = name;
1152 child_dentry->d_name.len = namelen;
1153 return child_dentry;
1156 extern int osd_trans_declare_op2rb[];
1157 extern int ldiskfs_track_declares_assert;
1158 void osd_trans_dump_creds(const struct lu_env *env, struct thandle *th);
1160 static inline void osd_trans_declare_op(const struct lu_env *env,
1161 struct osd_thandle *oh,
1162 enum osd_op_type op, int credits)
1164 struct osd_thread_info *oti = osd_oti_get(env);
1166 LASSERT(oh->ot_handle == NULL);
1167 if (unlikely(op >= OSD_OT_MAX)) {
1168 if (unlikely(ldiskfs_track_declares_assert)) {
1169 LASSERT(op < OSD_OT_MAX);
1171 CWARN("%s: Invalid operation index %d\n",
1172 osd_name(osd_dt_dev(oh->ot_super.th_dev)), op);
1173 libcfs_debug_dumpstack(NULL);
1176 oti->oti_declare_ops[op]++;
1177 oti->oti_declare_ops_cred[op] += credits;
1179 oh->ot_credits += credits;
1182 /* linux: v5.4-rc3-21-g933f1c1e0b75 renamed h_buffer_credits */
1183 #ifdef HAVE_JOURNAL_TOTAL_CREDITS
1184 #define h_buffer_credits h_total_credits
1187 static inline void osd_trans_exec_op(const struct lu_env *env,
1189 enum osd_op_type op)
1191 struct osd_thread_info *oti = osd_oti_get(env);
1192 struct osd_thandle *oh = container_of(th, struct osd_thandle,
1194 unsigned int rb, left;
1196 LASSERT(oh->ot_handle != NULL);
1197 if (unlikely(op >= OSD_OT_MAX)) {
1198 if (unlikely(ldiskfs_track_declares_assert))
1199 LASSERT(op < OSD_OT_MAX);
1201 CWARN("%s: opcode %u: invalid value >= %u\n",
1202 osd_name(osd_dt_dev(oh->ot_super.th_dev)),
1204 libcfs_debug_dumpstack(NULL);
1209 /* find rollback (or reverse) operation for the given one
1210 * such an operation doesn't require additional credits
1211 * as the same set of blocks are modified */
1212 rb = osd_trans_declare_op2rb[op];
1214 /* check whether credits for this operation were reserved at all */
1215 if (unlikely(oti->oti_declare_ops_cred[op] == 0 &&
1216 oti->oti_declare_ops_cred[rb] == 0)) {
1217 /* the API is not perfect yet: CREATE does REF_ADD internally
1218 * while DESTROY does not. To rollback CREATE the callers
1219 * needs to call REF_DEL+DESTROY which is hard to detect using
1220 * a simple table of rollback operations */
1221 if (op == OSD_OT_REF_DEL &&
1222 oti->oti_declare_ops_cred[OSD_OT_CREATE] > 0)
1224 if (op == OSD_OT_REF_ADD &&
1225 oti->oti_declare_ops_cred[OSD_OT_DESTROY] > 0)
1227 CWARN("%s: opcode %u: credits = 0, rollback = %u\n",
1228 osd_name(osd_dt_dev(oh->ot_super.th_dev)), op, rb);
1229 osd_trans_dump_creds(env, th);
1230 LASSERT(!ldiskfs_track_declares_assert);
1234 /* remember how many credits we have unused before the operation */
1235 oti->oti_credits_before = oh->ot_handle->h_buffer_credits;
1236 left = oti->oti_declare_ops_cred[op] - oti->oti_declare_ops_used[op];
1237 if (unlikely(oti->oti_credits_before < left)) {
1238 CWARN("%s: opcode %u: before %u < left %u, rollback = %u\n",
1239 osd_name(osd_dt_dev(oh->ot_super.th_dev)), op,
1240 oti->oti_credits_before, left, rb);
1241 osd_trans_dump_creds(env, th);
1242 /* on a very small fs (testing?) it's possible that
1243 * the transaction can't fit 1/4 of journal, so we
1244 * just request less credits (see osd_trans_start()).
1245 * ignore the same case here */
1246 rb = osd_transaction_size(osd_dt_dev(th->th_dev));
1247 if (unlikely(oh->ot_credits < rb))
1248 LASSERT(!ldiskfs_track_declares_assert);
1252 static inline void osd_trans_exec_check(const struct lu_env *env,
1254 enum osd_op_type op)
1256 struct osd_thread_info *oti = osd_oti_get(env);
1257 struct osd_thandle *oh = container_of(th, struct osd_thandle,
1259 int used, over, quota;
1261 /* how many credits have been used by the operation */
1262 used = oti->oti_credits_before - oh->ot_handle->h_buffer_credits;
1264 if (unlikely(used < 0)) {
1265 /* if some block was allocated and released in the same
1266 * transaction, then it won't be a part of the transaction
1267 * and delta can be negative */
1272 /* rollback operations (e.g. when we destroy just created
1273 * object) should not consume any credits. there is no point
1274 * to confuse the checks below */
1278 oti->oti_declare_ops_used[op] += used;
1279 if (oti->oti_declare_ops_used[op] <= oti->oti_declare_ops_cred[op])
1282 /* we account quota for a whole transaction and any operation can
1283 * consume corresponding credits */
1284 over = oti->oti_declare_ops_used[op] -
1285 oti->oti_declare_ops_cred[op];
1286 quota = oti->oti_declare_ops_cred[OSD_OT_QUOTA] -
1287 oti->oti_declare_ops_used[OSD_OT_QUOTA];
1288 if (over <= quota) {
1289 /* probably that credits were consumed by
1290 * quota indirectly (in the depths of ldiskfs) */
1291 oti->oti_declare_ops_used[OSD_OT_QUOTA] += over;
1292 oti->oti_declare_ops_used[op] -= over;
1294 CWARN("%s: opcode %d: used %u, used now %u, reserved %u\n",
1295 osd_name(osd_dt_dev(oh->ot_super.th_dev)), op,
1296 oti->oti_declare_ops_used[op], used,
1297 oti->oti_declare_ops_cred[op]);
1298 osd_trans_dump_creds(env, th);
1299 if (unlikely(ldiskfs_track_declares_assert))
1305 * Helper function to pack the fid, ldiskfs stores fid in packed format.
1308 void osd_fid_pack(struct osd_fid_pack *pack, const struct dt_rec *fid,
1309 struct lu_fid *befider)
1311 fid_cpu_to_be(befider, (struct lu_fid *)fid);
1312 memcpy(pack->fp_area, befider, sizeof(*befider));
1313 pack->fp_len = sizeof(*befider) + 1;
1317 int osd_fid_unpack(struct lu_fid *fid, const struct osd_fid_pack *pack)
1322 switch (pack->fp_len) {
1323 case sizeof *fid + 1:
1324 memcpy(fid, pack->fp_area, sizeof *fid);
1325 fid_be_to_cpu(fid, fid);
1328 CERROR("Unexpected packed fid size: %d\n", pack->fp_len);
1335 * Quota/Accounting handling
1337 extern const struct dt_index_operations osd_acct_index_ops;
1338 int osd_acct_obj_lookup(struct osd_thread_info *info, struct osd_device *osd,
1339 const struct lu_fid *fid, struct osd_inode_id *id);
1341 /* copy from fs/ext4/dir.c */
1342 static inline int is_32bit_api(void)
1344 #ifdef CONFIG_COMPAT
1345 return in_compat_syscall();
1347 return (BITS_PER_LONG == 32);
1351 static inline loff_t ldiskfs_get_htree_eof(struct file *filp)
1353 if ((filp->f_mode & FMODE_32BITHASH) ||
1354 (!(filp->f_mode & FMODE_64BITHASH) && is_32bit_api()))
1355 return LDISKFS_HTREE_EOF_32BIT;
1357 return LDISKFS_HTREE_EOF_64BIT;
1360 static inline int fid_is_internal(const struct lu_fid *fid)
1362 return (!fid_is_namespace_visible(fid) && !fid_is_idif(fid));
1365 static inline bool is_remote_parent_ino(struct osd_device *o, unsigned long ino)
1370 LASSERT(o->od_mdt_map != NULL);
1372 return ino == o->od_mdt_map->omm_remote_parent->d_inode->i_ino;
1376 * ext4_bread/ldiskfs_bread has either 5 or 4 parameters. The error
1377 * return code has been removed and integrated into the pointer in the
1380 static inline struct buffer_head *__ldiskfs_bread(handle_t *handle,
1381 struct inode *inode,
1382 ldiskfs_lblk_t block,
1386 struct buffer_head *bh;
1389 rc = osd_attach_jinode(inode);
1393 #ifdef HAVE_EXT4_BREAD_4ARGS
1394 bh = ldiskfs_bread(handle, inode, block, create);
1397 bh = ldiskfs_bread(handle, inode, block, create, &rc);
1398 if (bh == NULL && rc != 0)
1404 #ifndef HAVE_BIO_INTEGRITY_ENABLED
1405 bool bio_integrity_enabled(struct bio *bio);
1409 # define bio_get_dev(bio) ((bio)->bi_bdev)
1410 # define bio_get_disk(bio) (bio_get_dev(bio)->bd_disk)
1411 # define bio_get_queue(bio) bdev_get_queue(bio_get_dev(bio))
1412 # define bio_set_dev(bio, bdev) (bio_get_dev(bio) = (bdev))
1414 # define bio_get_disk(bio) ((bio)->bi_disk)
1415 # define bio_get_queue(bio) (bio_get_disk(bio)->queue)
1418 void ldiskfs_inc_count(handle_t *handle, struct inode *inode);
1419 void ldiskfs_dec_count(handle_t *handle, struct inode *inode);
1421 void osd_fini_iobuf(struct osd_device *d, struct osd_iobuf *iobuf);
1424 osd_index_register(struct osd_device *osd, const struct lu_fid *fid,
1425 __u32 keysize, __u32 recsize)
1427 return lustre_index_register(&osd->od_dt_dev, osd_name(osd),
1428 &osd->od_index_backup_list, &osd->od_lock,
1429 &osd->od_index_backup_stop,
1430 fid, keysize, recsize);
1434 osd_index_backup(const struct lu_env *env, struct osd_device *osd, bool backup)
1436 struct osd_thread_info *info = osd_oti_get(env);
1437 struct lu_fid *fid = &info->oti_fid3;
1438 struct osd_inode_id *id = &info->oti_id3;
1440 lu_local_obj_fid(fid, INDEX_BACKUP_OID);
1441 osd_id_gen(id, osd->od_index_backup_inode->i_ino,
1442 osd->od_index_backup_inode->i_generation);
1443 osd_add_oi_cache(info, osd, id, fid);
1445 lustre_index_backup(env, &osd->od_dt_dev, osd_name(osd),
1446 &osd->od_index_backup_list, &osd->od_lock,
1447 &osd->od_index_backup_stop, backup);
1450 #ifdef LDISKFS_HAS_INCOMPAT_FEATURE
1452 # ifdef LDISKFS_FEATURE_INCOMPAT_EXTENTS
1453 # define ldiskfs_has_feature_extents(sb) \
1454 LDISKFS_HAS_INCOMPAT_FEATURE(sb, LDISKFS_FEATURE_INCOMPAT_EXTENTS)
1456 # ifdef LDISKFS_FEATURE_INCOMPAT_EA_INODE
1457 # define ldiskfs_has_feature_ea_inode(sb) \
1458 LDISKFS_HAS_INCOMPAT_FEATURE(sb, LDISKFS_FEATURE_INCOMPAT_EA_INODE)
1460 # ifdef LDISKFS_FEATURE_INCOMPAT_DIRDATA
1461 # define ldiskfs_has_feature_dirdata(sb) \
1462 LDISKFS_HAS_INCOMPAT_FEATURE(sb, LDISKFS_FEATURE_INCOMPAT_DIRDATA)
1464 # ifdef LDISKFS_FEATURE_COMPAT_HAS_JOURNAL
1465 # define ldiskfs_has_feature_journal(sb) \
1466 LDISKFS_HAS_COMPAT_FEATURE(sb, LDISKFS_FEATURE_COMPAT_HAS_JOURNAL)
1468 # ifdef LDISKFS_FEATURE_RO_COMPAT_QUOTA
1469 # define ldiskfs_has_feature_quota(sb) \
1470 LDISKFS_HAS_RO_COMPAT_FEATURE(sb, LDISKFS_FEATURE_RO_COMPAT_QUOTA)
1472 # ifdef LDISKFS_FEATURE_RO_COMPAT_PROJECT
1473 # define ldiskfs_has_feature_project(sb) \
1474 LDISKFS_HAS_RO_COMPAT_FEATURE(sb, LDISKFS_FEATURE_RO_COMPAT_PROJECT)
1479 int osd_trunc_lock(struct osd_object *obj, struct osd_thandle *oh,
1481 void osd_trunc_unlock_all(const struct lu_env *env, struct list_head *list);
1482 void osd_process_truncates(struct list_head *list);
1483 void osd_execute_truncate(struct osd_object *obj);
1485 #ifdef HAVE_BIO_ENDIO_USES_ONE_ARG
1486 #define osd_dio_complete_routine(bio, error) dio_complete_routine(bio)
1488 #define osd_dio_complete_routine(bio, error) dio_complete_routine(bio, error)
1491 #ifndef HAVE___BI_CNT
1492 #define __bi_cnt bi_cnt
1496 #define bi_opf bi_rw
1499 #ifndef HAVE_CLEAN_BDEV_ALIASES
1500 #define clean_bdev_aliases(bdev, block, len) \
1501 unmap_underlying_metadata((bdev), (block))
1504 #ifndef HAVE_BI_STATUS
1505 #define bi_status bi_error
1509 * Maximum size of xattr attributes for FEATURE_INCOMPAT_EA_INODE 1Mb
1510 * This limit is arbitrary, but is reasonable for the xattr API.
1512 #define LDISKFS_XATTR_MAX_LARGE_EA_SIZE (1024 * 1024)
1514 struct osd_bio_private {
1515 struct osd_iobuf *obp_iobuf;
1516 /* Start page index in the obp_iobuf for the bio */
1517 int obp_start_page_idx;
1520 #ifdef HAVE_BIO_INTEGRITY_PREP_FN
1521 int osd_get_integrity_profile(struct osd_device *osd,
1522 integrity_gen_fn **generate_fn,
1523 integrity_vrfy_fn **verify_fn);
1525 #define integrity_gen_fn void
1526 #define integrity_vrfy_fn int
1527 static inline int osd_get_integrity_profile(struct osd_device *osd,
1528 integrity_gen_fn **generate_fn,
1529 integrity_vrfy_fn **verify_fn)
1534 static inline bool bio_integrity_prep_fn(struct bio *bio,
1535 integrity_gen_fn *generate_fn,
1536 integrity_vrfy_fn *verify_fn)
1538 return bio_integrity_prep(bio);
1542 #ifdef HAVE_BIO_BI_PHYS_SEGMENTS
1543 #define osd_bio_nr_segs(bio) ((bio)->bi_phys_segments)
1545 #define osd_bio_nr_segs(bio) bio_segments((bio))
1546 #endif /* HAVE_BIO_BI_PHYS_SEGMENTS */
1548 #endif /* _OSD_INTERNAL_H */