1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 only,
10 * as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License version 2 for more details (a copy is included
16 * in the LICENSE file that accompanied this code).
18 * You should have received a copy of the GNU General Public License
19 * version 2 along with this program; If not, see
20 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
29 * Copyright 2008 Sun Microsystems, Inc. All rights reserved
30 * Use is subject to license terms.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
40 #if defined(__linux__)
41 #include <linux/obd.h>
42 #elif defined(__APPLE__)
43 #include <darwin/obd.h>
44 #elif defined(__WINNT__)
45 #include <winnt/obd.h>
47 #error Unsupported operating system.
50 #define IOC_OSC_TYPE 'h'
51 #define IOC_OSC_MIN_NR 20
52 #define IOC_OSC_SET_ACTIVE _IOWR(IOC_OSC_TYPE, 21, struct obd_device *)
53 #define IOC_OSC_MAX_NR 50
55 #define IOC_MDC_TYPE 'i'
56 #define IOC_MDC_MIN_NR 20
57 /* Moved to lustre_user.h
58 #define IOC_MDC_LOOKUP _IOWR(IOC_MDC_TYPE, 20, struct obd_ioctl_data *)
59 #define IOC_MDC_GETSTRIPE _IOWR(IOC_MDC_TYPE, 21, struct lov_mds_md *) */
60 #define IOC_MDC_MAX_NR 50
62 #include <lustre/lustre_idl.h>
63 #include <lu_object.h>
65 #include <lustre_lib.h>
66 #include <lustre_export.h>
67 #include <lustre_quota.h>
68 #include <lustre_fld.h>
69 #include <lustre_capa.h>
70 #include <class_hash.h>
72 #include <libcfs/bitmap.h>
75 #define MAX_OBD_DEVICES 8192
77 /* this is really local to the OSC */
78 struct loi_oap_pages {
79 struct list_head lop_pending;
80 struct list_head lop_urgent;
81 struct list_head lop_pending_group;
91 struct lov_oinfo { /* per-stripe data structure */
92 __u64 loi_id; /* object ID on the target OST */
93 __u64 loi_gr; /* object group on the target OST */
94 int loi_ost_idx; /* OST stripe index in lov_tgt_desc->tgts */
95 int loi_ost_gen; /* generation of this loi_ost_idx */
97 /* used by the osc to keep track of what objects to build into rpcs */
98 struct loi_oap_pages loi_read_lop;
99 struct loi_oap_pages loi_write_lop;
100 /* _cli_ is poorly named, it should be _ready_ */
101 struct list_head loi_cli_item;
102 struct list_head loi_write_item;
103 struct list_head loi_read_item;
105 unsigned long loi_kms_valid:1;
106 __u64 loi_kms; /* known minimum size */
107 struct ost_lvb loi_lvb;
108 struct osc_async_rc loi_ar;
111 static inline void loi_kms_set(struct lov_oinfo *oinfo, __u64 kms)
113 oinfo->loi_kms = kms;
114 oinfo->loi_kms_valid = 1;
117 static inline void loi_init(struct lov_oinfo *loi)
119 CFS_INIT_LIST_HEAD(&loi->loi_read_lop.lop_pending);
120 CFS_INIT_LIST_HEAD(&loi->loi_read_lop.lop_urgent);
121 CFS_INIT_LIST_HEAD(&loi->loi_read_lop.lop_pending_group);
122 CFS_INIT_LIST_HEAD(&loi->loi_write_lop.lop_pending);
123 CFS_INIT_LIST_HEAD(&loi->loi_write_lop.lop_urgent);
124 CFS_INIT_LIST_HEAD(&loi->loi_write_lop.lop_pending_group);
125 CFS_INIT_LIST_HEAD(&loi->loi_cli_item);
126 CFS_INIT_LIST_HEAD(&loi->loi_write_item);
127 CFS_INIT_LIST_HEAD(&loi->loi_read_item);
130 /*extent array item for describing the joined file extent info*/
132 __u64 le_start; /* extent start */
133 __u64 le_len; /* extent length */
134 int le_loi_idx; /* extent #1 loi's index in lsm loi array */
135 int le_stripe_count; /* extent stripe count*/
138 /*Lov array info for describing joined file array EA info*/
139 struct lov_array_info {
140 struct llog_logid lai_array_id; /* MDS med llog object id */
141 unsigned lai_ext_count; /* number of extent count */
142 struct lov_extent *lai_ext_array; /* extent desc array */
145 struct lov_stripe_md {
147 pid_t lsm_lock_owner; /* debugging */
150 /* Public members. */
151 __u64 lw_object_id; /* lov object id */
152 __u64 lw_object_gr; /* lov object group */
153 __u64 lw_maxbytes; /* maximum possible file size */
155 /* LOV-private members start here -- only for use in lov/. */
157 __u32 lw_stripe_size; /* size of the stripe */
158 __u32 lw_pattern; /* striping pattern (RAID0, RAID1) */
159 unsigned lw_stripe_count; /* number of objects being striped over */
160 char lw_pool_name[LOV_MAXPOOLNAME]; /* pool name */
163 struct lov_array_info *lsm_array; /*Only for joined file array info*/
164 struct lov_oinfo *lsm_oinfo[0];
167 #define lsm_object_id lsm_wire.lw_object_id
168 #define lsm_object_gr lsm_wire.lw_object_gr
169 #define lsm_maxbytes lsm_wire.lw_maxbytes
170 #define lsm_magic lsm_wire.lw_magic
171 #define lsm_stripe_size lsm_wire.lw_stripe_size
172 #define lsm_pattern lsm_wire.lw_pattern
173 #define lsm_stripe_count lsm_wire.lw_stripe_count
174 #define lsm_pool_name lsm_wire.lw_pool_name
178 typedef int (*obd_enqueue_update_f)(void *cookie, int rc);
180 /* obd info for a particular level (lov, osc). */
182 /* Lock policy. It keeps an extent which is specific for a particular
183 * OSC. (e.g. lov_prep_enqueue_set initialises extent of the policy,
184 * and osc_enqueue passes it into ldlm_lock_match & ldlm_cli_enqueue. */
185 ldlm_policy_data_t oi_policy;
186 /* Flags used for set request specific flags:
187 - while lock handling, the flags obtained on the enqueue
188 request are set here.
189 - while stats, the flags used for control delay/resend.
192 /* Lock handle specific for every OSC lock. */
193 struct lustre_handle *oi_lockh;
194 /* lsm data specific for every OSC. */
195 struct lov_stripe_md *oi_md;
196 /* obdo data specific for every OSC, if needed at all. */
198 /* statfs data specific for every OSC, if needed at all. */
199 struct obd_statfs *oi_osfs;
200 /* An update callback which is called to update some data on upper
201 * level. E.g. it is used for update lsm->lsm_oinfo at every recieved
202 * request in osc level for enqueue requests. It is also possible to
203 * update some caller data from LOV layer if needed. */
204 obd_enqueue_update_f oi_cb_up;
205 /* oss capability, its type is obd_capa in client to avoid copy.
206 * in contrary its type is lustre_capa in OSS. */
210 /* compare all relevant fields. */
211 static inline int lov_stripe_md_cmp(struct lov_stripe_md *m1,
212 struct lov_stripe_md *m2)
215 * ->lsm_wire contains padding, but it should be zeroed out during
218 return memcmp(&m1->lsm_wire, &m2->lsm_wire, sizeof m1->lsm_wire);
221 void lov_stripe_lock(struct lov_stripe_md *md);
222 void lov_stripe_unlock(struct lov_stripe_md *md);
225 struct list_head typ_chain;
226 struct obd_ops *typ_dt_ops;
227 struct md_ops *typ_md_ops;
228 cfs_proc_dir_entry_t *typ_procroot;
231 struct lu_device_type *typ_lu;
232 spinlock_t obd_type_lock;
242 /* Individual type definitions */
244 struct ost_server_data;
246 /* hold common fields for "target" device */
247 struct obd_device_target {
248 struct super_block *obt_sb;
249 atomic_t obt_quotachecking;
250 struct lustre_quota_ctxt obt_qctxt;
255 LLOG_CONFIG_ORIG_CTXT = 0,
256 LLOG_CONFIG_REPL_CTXT,
257 LLOG_MDS_OST_ORIG_CTXT,
258 LLOG_MDS_OST_REPL_CTXT,
265 LLOG_LOVEA_ORIG_CTXT,
266 LLOG_LOVEA_REPL_CTXT,
270 #define FILTER_SUBDIR_COUNT 32 /* set to zero for no subdirs */
272 struct filter_subdirs {
273 cfs_dentry_t *dentry[FILTER_SUBDIR_COUNT];
283 /* NB this field MUST be first */
284 struct obd_device_target fo_obt;
285 const char *fo_fstype;
286 struct vfsmount *fo_vfsmnt;
289 cfs_dentry_t *fo_dentry_O;
290 cfs_dentry_t **fo_dentry_O_groups;
291 struct filter_subdirs *fo_dentry_O_sub;
292 struct semaphore fo_init_lock; /* group initialization lock */
293 int fo_committed_group;
296 spinlock_t fo_objidlock; /* protect fo_lastobjid */
297 spinlock_t fo_translock; /* protect fsd_last_transno */
298 struct file *fo_rcvd_filp;
299 struct file *fo_health_check_filp;
300 struct lr_server_data *fo_fsd;
301 unsigned long *fo_last_rcvd_slots;
302 __u64 fo_mount_count;
304 unsigned long fo_destroys_in_progress;
305 struct semaphore fo_create_locks[FILTER_SUBDIR_COUNT];
307 struct list_head fo_export_list;
310 obd_size fo_tot_dirty; /* protected by obd_osfs_lock */
311 obd_size fo_tot_granted; /* all values in bytes */
312 obd_size fo_tot_pending;
314 obd_size fo_readcache_max_filesize;
316 int fo_writethrough_cache;
318 struct obd_import *fo_mdc_imp;
319 struct obd_uuid fo_mdc_uuid;
320 struct lustre_handle fo_mdc_conn;
321 struct file **fo_last_objid_files;
322 __u64 *fo_last_objids; /* last created objid for groups,
323 * protected by fo_objidlock */
325 struct semaphore fo_alloc_lock;
327 atomic_t fo_r_in_flight;
328 atomic_t fo_w_in_flight;
331 * per-filter pool of kiobuf's allocated by filter_common_setup() and
332 * torn down by filter_cleanup(). Contains OST_NUM_THREADS elements of
333 * which ->fo_iobuf_count were allocated.
335 * This pool contains kiobuf used by
336 * filter_{prep,commit}rw_{read,write}() and is shared by all OST
339 * Locking: none, each OST thread uses only one element, determined by
340 * its "ordinal number", ->t_id.
342 struct filter_iobuf **fo_iobuf_pool;
345 struct list_head fo_llog_list;
346 spinlock_t fo_llog_list_lock;
348 struct brw_stats fo_filter_stats;
349 struct lustre_quota_ctxt fo_quota_ctxt;
350 spinlock_t fo_quotacheck_lock;
351 atomic_t fo_quotachecking;
353 int fo_fmd_max_num; /* per exp filter_mod_data */
354 int fo_fmd_max_age; /* jiffies to fmd expiry */
357 rwlock_t fo_sptlrpc_lock;
358 struct sptlrpc_rule_set fo_sptlrpc_rset;
360 /* capability related */
361 unsigned int fo_fl_oss_capa;
362 struct list_head fo_capa_keys;
363 struct hlist_head *fo_capa_hash;
364 struct llog_commit_master *fo_lcm;
367 #define OSC_MAX_RIF_DEFAULT 8
368 #define OSC_MAX_RIF_MAX 256
369 #define OSC_MAX_DIRTY_DEFAULT (OSC_MAX_RIF_DEFAULT * 4)
370 #define OSC_MAX_DIRTY_MB_MAX 2048 /* arbitrary, but < MAX_LONG bytes */
371 #define OSC_DEFAULT_RESENDS 10
373 #define MDC_MAX_RIF_DEFAULT 8
374 #define MDC_MAX_RIF_MAX 512
379 struct rw_semaphore cl_sem;
380 struct obd_uuid cl_target_uuid;
381 struct obd_import *cl_import; /* ptlrpc connection state */
383 /* max_mds_easize is purely a performance thing so we don't have to
384 * call obd_size_diskmd() all the time. */
385 int cl_default_mds_easize;
386 int cl_max_mds_easize;
387 int cl_max_mds_cookiesize;
389 /* security configuration */
390 struct sptlrpc_rule_set cl_sptlrpc_rset;
391 enum lustre_sec_part cl_sec_part;
393 //struct llog_canceld_ctxt *cl_llcd; /* it's included by obd_llog_ctxt */
394 void *cl_llcd_offset;
396 /* the grant values are protected by loi_list_lock below */
397 long cl_dirty; /* all _dirty_ in bytes */
398 long cl_dirty_max; /* allowed w/o rpc */
399 long cl_dirty_transit; /* dirty synchronous */
400 long cl_avail_grant; /* bytes of credit for ost */
401 long cl_lost_grant; /* lost credits (trunc) */
402 struct list_head cl_cache_waiters; /* waiting for cache/grant */
404 /* keep track of objects that have lois that contain pages which
405 * have been queued for async brw. this lock also protects the
406 * lists of osc_client_pages that hang off of the loi */
408 * ->cl_loi_list_lock protects consistency of
409 * ->cl_loi_{ready,read,write}_list. ->ap_make_ready() and
410 * ->ap_completion() call-backs are executed under this lock. As we
411 * cannot guarantee that these call-backs never block on all platforms
412 * (as a matter of fact they do block on Mac OS X), type of
413 * ->cl_loi_list_lock is platform dependent: it's a spin-lock on Linux
414 * and blocking mutex on Mac OS X. (Alternative is to make this lock
415 * blocking everywhere, but we don't want to slow down fast-path of
416 * our main platform.)
418 * Exact type of ->cl_loi_list_lock is defined in arch/obd.h together
419 * with client_obd_list_{un,}lock() and
420 * client_obd_list_lock_{init,done}() functions.
422 client_obd_lock_t cl_loi_list_lock;
423 struct list_head cl_loi_ready_list;
424 struct list_head cl_loi_write_list;
425 struct list_head cl_loi_read_list;
428 /* just a sum of the loi/lop pending numbers to be exported by /proc */
429 int cl_pending_w_pages;
430 int cl_pending_r_pages;
431 int cl_max_pages_per_rpc;
432 int cl_max_rpcs_in_flight;
433 struct obd_histogram cl_read_rpc_hist;
434 struct obd_histogram cl_write_rpc_hist;
435 struct obd_histogram cl_read_page_hist;
436 struct obd_histogram cl_write_page_hist;
437 struct obd_histogram cl_read_offset_hist;
438 struct obd_histogram cl_write_offset_hist;
440 /* number of in flight destroy rpcs is limited to max_rpcs_in_flight */
441 atomic_t cl_destroy_in_flight;
442 cfs_waitq_t cl_destroy_waitq;
444 struct mdc_rpc_lock *cl_rpc_lock;
445 struct mdc_rpc_lock *cl_setattr_lock;
446 struct mdc_rpc_lock *cl_close_lock;
447 struct osc_creator cl_oscc;
450 struct semaphore cl_mgc_sem;
451 struct vfsmount *cl_mgc_vfsmnt;
452 struct dentry *cl_mgc_configs_dir;
453 atomic_t cl_mgc_refcount;
454 struct obd_export *cl_mgc_mgsexp;
456 /* checksumming for data sent over the network */
457 unsigned int cl_checksum:1; /* 0 = disabled, 1 = enabled */
458 /* supported checksum types that are worked out at connect time */
459 __u32 cl_supp_cksum_types;
460 /* checksum algorithm to be used */
461 cksum_type_t cl_cksum_type;
463 /* also protected by the poorly named _loi_list_lock lock above */
464 struct osc_async_rc cl_ar;
466 /* used by quotacheck */
467 int cl_qchk_stat; /* quotacheck stat of the peer */
469 /* sequence manager */
470 struct lu_client_seq *cl_seq;
472 atomic_t cl_resends; /* resend count */
474 #define obd2cli_tgt(obd) ((char *)(obd)->u.cli.cl_target_uuid.uuid)
476 #define CL_NOT_QUOTACHECKED 1 /* client->cl_qchk_stat init value */
479 struct ptlrpc_service *mgs_service;
480 struct vfsmount *mgs_vfsmnt;
481 struct super_block *mgs_sb;
482 struct dentry *mgs_configs_dir;
483 struct dentry *mgs_fid_de;
484 struct list_head mgs_fs_db_list;
485 struct semaphore mgs_sem;
486 cfs_proc_dir_entry_t *mgs_proc_live;
490 /* NB this field MUST be first */
491 struct obd_device_target mds_obt;
492 struct ptlrpc_service *mds_service;
493 struct ptlrpc_service *mds_setattr_service;
494 struct ptlrpc_service *mds_readpage_service;
495 struct vfsmount *mds_vfsmnt;
496 cfs_dentry_t *mds_fid_de;
498 int mds_max_cookiesize;
499 struct file *mds_rcvd_filp;
500 spinlock_t mds_transno_lock;
501 __u64 mds_last_transno;
502 __u64 mds_mount_count;
504 unsigned long mds_atime_diff;
505 struct semaphore mds_epoch_sem;
506 struct ll_fid mds_rootfid;
507 struct lr_server_data *mds_server_data;
508 cfs_dentry_t *mds_pending_dir;
509 cfs_dentry_t *mds_logs_dir;
510 cfs_dentry_t *mds_objects_dir;
511 struct llog_handle *mds_cfg_llh;
512 struct obd_device *mds_osc_obd; /* XXX lov_obd */
513 struct obd_uuid mds_lov_uuid;
515 struct obd_export *mds_osc_exp; /* XXX lov_exp */
516 struct lov_desc mds_lov_desc;
519 /* mark pages dirty for write. */
520 bitmap_t *mds_lov_page_dirty;
521 /* array for store pages with obd_id */
522 void **mds_lov_page_array;
523 /* file for store objid */
524 struct file *mds_lov_objid_filp;
525 __u32 mds_lov_objid_count;
526 __u32 mds_lov_objid_lastpage;
527 __u32 mds_lov_objid_lastidx;
529 struct file *mds_health_check_filp;
530 unsigned long *mds_client_bitmap;
531 // struct upcall_cache *mds_group_hash;
533 struct lustre_quota_info mds_quota_info;
534 struct semaphore mds_qonoff_sem;
535 struct semaphore mds_health_sem;
536 unsigned long mds_fl_user_xattr:1,
538 mds_evict_ost_nids:1,
542 struct upcall_cache *mds_identity_cache;
544 /* for capability keys update */
545 struct lustre_capa_key *mds_capa_keys;
546 struct rw_semaphore mds_notify_lock;
550 extern __u32 mds_max_ost_index;
552 #define MDS_LOV_ALLOC_SIZE (CFS_PAGE_SIZE)
554 #define OBJID_PER_PAGE() (MDS_LOV_ALLOC_SIZE / sizeof(obd_id))
556 #define MDS_LOV_OBJID_PAGES_COUNT (mds_max_ost_index/OBJID_PER_PAGE())
558 extern int mds_lov_init_objids(struct obd_device *obd);
559 extern void mds_lov_destroy_objids(struct obd_device *obd);
572 struct lustre_handle eo_nl_lock;
577 struct ptlrpc_service *ost_service;
578 struct ptlrpc_service *ost_create_service;
579 struct ptlrpc_service *ost_io_service;
580 struct semaphore ost_health_sem;
583 struct echo_client_obd {
584 struct obd_export *ec_exp; /* the local connection to osc/lov */
586 struct list_head ec_objects;
587 struct list_head ec_locks;
593 struct obd_uuid lqo_uuid; /* ptlrpc's c_remote_uuid */
594 struct list_head lqo_oss_list; /* link to lov_qos */
595 __u32 lqo_ost_count; /* number of osts on this oss */
596 __u64 lqo_bavail; /* total bytes avail on OSS */
597 __u64 lqo_penalty; /* current penalty */
598 __u64 lqo_penalty_per_obj; /* penalty decrease every obj*/
602 struct lov_qos_oss *ltq_oss; /* oss info */
603 __u64 ltq_penalty; /* current penalty */
604 __u64 ltq_penalty_per_obj; /* penalty decrease every obj*/
605 __u64 ltq_weight; /* net weighting */
606 unsigned int ltq_usable:1; /* usable for striping */
609 /* Generic subset of OSTs */
611 __u32 *op_array; /* array of index of
613 unsigned int op_count; /* number of OSTs in the array */
614 unsigned int op_size; /* allocated size of lp_array */
615 rwlock_t op_rwlock; /* to protect lov_pool use */
618 /* Round-robin allocator data */
620 __u32 lqr_start_idx; /* start index of new inode */
621 __u32 lqr_offset_idx; /* aliasing for start_idx */
622 int lqr_start_count; /* reseed counter */
623 struct ost_pool lqr_pool; /* round-robin optimized list */
624 unsigned long lqr_dirty:1; /* recalc round-robin list */
627 /* Stripe placement optimization */
629 struct list_head lq_oss_list; /* list of OSSs that targets use */
630 struct rw_semaphore lq_rw_sem;
631 __u32 lq_active_oss_count;
632 unsigned int lq_prio_free; /* priority for free space */
633 struct lov_qos_rr lq_rr; /* round robin qos data */
634 unsigned long lq_dirty:1, /* recalc qos data */
635 lq_same_space:1,/* the ost's all have approx.
636 the same space avail */
637 lq_reset:1; /* zero current penalties */
640 struct lov_tgt_desc {
641 struct obd_uuid ltd_uuid;
642 struct obd_export *ltd_exp;
643 struct ltd_qos ltd_qos; /* qos info per target */
645 __u32 ltd_index; /* index in lov_obd->tgts */
646 unsigned long ltd_active:1,/* is this target up for requests */
647 ltd_activate:1,/* should this target be activated */
648 ltd_reap:1; /* should this target be deleted */
652 #define pool_tgt_size(_p) _p->pool_obds.op_size
653 #define pool_tgt_count(_p) _p->pool_obds.op_count
654 #define pool_tgt_array(_p) _p->pool_obds.op_array
655 #define pool_tgt_rwlock(_p) _p->pool_obds.op_rwlock
656 #define pool_tgt(_p, _i) _p->pool_lov->lov_tgts[_p->pool_obds.op_array[_i]]
659 char pool_name[LOV_MAXPOOLNAME + 1]; /* name of pool */
660 struct ost_pool pool_obds; /* pool members */
661 struct lov_qos_rr pool_rr; /* round robin qos */
662 struct hlist_node pool_hash; /* access by poolname */
663 struct list_head pool_list; /* serial access */
664 cfs_proc_dir_entry_t *pool_proc_entry; /* file in /proc */
665 struct lov_obd *pool_lov; /* lov obd to which this
670 struct lov_desc desc;
671 struct lov_tgt_desc **lov_tgts; /* sparse array */
672 struct ost_pool lov_packed; /* all OSTs in a packed
674 struct semaphore lov_lock;
675 struct obd_connect_data lov_ocd;
676 struct lov_qos lov_qos; /* qos info per lov */
677 atomic_t lov_refcount;
678 __u32 lov_tgt_count; /* how many OBD's */
679 __u32 lov_active_tgt_count; /* how many active */
680 __u32 lov_death_row;/* tgts scheduled to be deleted */
681 __u32 lov_tgt_size; /* size of tgts array */
684 lustre_hash_t *lov_pools_hash_body; /* used for key access */
685 struct list_head lov_pool_list; /* used for sequential access */
686 cfs_proc_dir_entry_t *lov_pool_proc_entry;
689 struct lmv_tgt_desc {
690 struct obd_uuid ltd_uuid;
691 struct obd_export *ltd_exp;
692 int ltd_active; /* is this target up for requests */
694 struct semaphore ltd_fid_sem;
697 enum placement_policy {
698 PLACEMENT_CHAR_POLICY = 0,
699 PLACEMENT_NID_POLICY = 1,
700 PLACEMENT_INVAL_POLICY = 2,
704 typedef enum placement_policy placement_policy_t;
708 struct lu_client_fld lmv_fld;
710 placement_policy_t lmv_placement;
711 struct lmv_desc desc;
712 struct obd_uuid cluuid;
713 struct obd_export *exp;
720 struct semaphore init_sem;
722 struct lmv_tgt_desc *tgts;
725 struct obd_connect_data *datas;
728 struct obd_connect_data conn_data;
731 struct niobuf_local {
736 cfs_dentry_t *dentry;
741 #define LUSTRE_FLD_NAME "fld"
742 #define LUSTRE_SEQ_NAME "seq"
744 #define LUSTRE_CMM_NAME "cmm"
745 #define LUSTRE_MDD_NAME "mdd"
746 #define LUSTRE_OSD_NAME "osd"
747 #define LUSTRE_VVP_NAME "vvp"
748 #define LUSTRE_LMV_NAME "lmv"
749 #define LUSTRE_CMM_MDC_NAME "cmm-mdc"
750 #define LUSTRE_SLP_NAME "slp"
752 /* obd device type names */
753 /* FIXME all the references to LUSTRE_MDS_NAME should be swapped with LUSTRE_MDT_NAME */
754 #define LUSTRE_MDS_NAME "mds"
755 #define LUSTRE_MDT_NAME "mdt"
756 #define LUSTRE_MDC_NAME "mdc"
757 #define LUSTRE_OSS_NAME "ost" /* FIXME change name to oss */
758 #define LUSTRE_OST_NAME "obdfilter" /* FIXME change name to ost */
759 #define LUSTRE_OSC_NAME "osc"
760 #define LUSTRE_LOV_NAME "lov"
761 #define LUSTRE_MGS_NAME "mgs"
762 #define LUSTRE_MGC_NAME "mgc"
764 #define LUSTRE_CACHEOBD_NAME "cobd"
765 #define LUSTRE_ECHO_NAME "obdecho"
766 #define LUSTRE_ECHO_CLIENT_NAME "echo_client"
768 /* Constant obd names (post-rename) */
769 #define LUSTRE_MDS_OBDNAME "MDS"
770 #define LUSTRE_OSS_OBDNAME "OSS"
771 #define LUSTRE_MGS_OBDNAME "MGS"
772 #define LUSTRE_MGC_OBDNAME "MGC"
774 /* Don't conflict with on-wire flags OBD_BRW_WRITE, etc */
775 #define N_LOCAL_TEMP_PAGE 0x10000000
777 struct obd_trans_info {
780 /* Only used on the server side for tracking acks. */
781 struct oti_req_ack_lock {
782 struct lustre_handle lock;
786 struct llog_cookie oti_onecookie;
787 struct llog_cookie *oti_logcookies;
790 /* initial thread handling transaction */
794 struct obd_uuid *oti_ost_uuid;
797 static inline void oti_init(struct obd_trans_info *oti,
798 struct ptlrpc_request *req)
802 memset(oti, 0, sizeof(*oti));
807 oti->oti_xid = req->rq_xid;
809 if (req->rq_repmsg != NULL)
810 oti->oti_transno = lustre_msg_get_transno(req->rq_repmsg);
811 oti->oti_thread_id = req->rq_svc_thread ? req->rq_svc_thread->t_id : -1;
812 if (req->rq_reqmsg != NULL)
813 oti->oti_conn_cnt = lustre_msg_get_conn_cnt(req->rq_reqmsg);
816 static inline void oti_alloc_cookies(struct obd_trans_info *oti,int num_cookies)
821 if (num_cookies == 1)
822 oti->oti_logcookies = &oti->oti_onecookie;
824 OBD_ALLOC(oti->oti_logcookies,
825 num_cookies * sizeof(oti->oti_onecookie));
827 oti->oti_numcookies = num_cookies;
830 static inline void oti_free_cookies(struct obd_trans_info *oti)
832 if (!oti || !oti->oti_logcookies)
835 if (oti->oti_logcookies == &oti->oti_onecookie)
836 LASSERT(oti->oti_numcookies == 1);
838 OBD_FREE(oti->oti_logcookies,
839 oti->oti_numcookies * sizeof(oti->oti_onecookie));
840 oti->oti_logcookies = NULL;
841 oti->oti_numcookies = 0;
845 * Events signalled through obd_notify() upcall-chain.
847 enum obd_notify_event {
848 /* Device activated */
850 /* Device deactivated */
852 /* Device disconnected */
854 /* Connect data for import were changed */
857 OBD_NOTIFY_SYNC_NONBLOCK,
859 /* Configuration event */
863 /* bit-mask flags for config events */
865 CONFIG_LOG = 0x1, /* finished processing config log */
866 CONFIG_SYNC = 0x2 /* mdt synced 1 ost */
870 * Data structure used to pass obd_notify()-event to non-obd listeners (llite
871 * and liblustre being main examples).
873 struct obd_notify_upcall {
874 int (*onu_upcall)(struct obd_device *host, struct obd_device *watched,
875 enum obd_notify_event ev, void *owner);
876 /* Opaque datum supplied by upper layer listener */
880 struct target_recovery_data {
881 svc_handler_t trd_recovery_handler;
882 pid_t trd_processing_task;
883 struct completion trd_starting;
884 struct completion trd_finishing;
888 FILTER_GROUP_LLOG = 1,
893 struct obd_llog_group {
894 struct list_head olg_list;
896 struct llog_ctxt *olg_ctxts[LLOG_MAX_CTXTS];
897 cfs_waitq_t olg_waitq;
899 struct obd_export *olg_exp;
900 int olg_initializing;
901 struct semaphore olg_cat_processing;
904 /* corresponds to one of the obd's */
905 #define MAX_OBD_NAME 128
906 #define OBD_DEVICE_MAGIC 0XAB5CD6EF
908 struct obd_type *obd_type;
911 /* common and UUID name of this device */
912 char obd_name[MAX_OBD_NAME];
913 struct obd_uuid obd_uuid;
915 struct lu_device *obd_lu_dev;
918 unsigned long obd_attached:1, /* finished attach */
919 obd_set_up:1, /* finished setup */
920 obd_recovering:1, /* there are recoverable clients */
921 obd_abort_recovery:1,/* somebody ioctl'ed us to abort */
922 obd_replayable:1, /* recovery is enabled; inform clients */
923 obd_no_transno:1, /* no committed-transno notification */
924 obd_no_recov:1, /* fail instead of retry messages */
925 obd_req_replaying:1, /* replaying requests */
926 obd_stopping:1, /* started cleanup */
927 obd_starting:1, /* started setup */
928 obd_force:1, /* cleanup with > 0 obd refcount */
929 obd_fail:1, /* cleanup with failover */
930 obd_async_recov:1, /* allow asyncronous orphan cleanup */
931 obd_no_conn:1, /* deny new connections */
932 obd_inactive:1; /* device active/inactive
933 * (for /proc/status only!!) */
934 /* uuid-export hash body */
935 struct lustre_hash *obd_uuid_hash;
936 /* nid-export hash body */
937 struct lustre_hash *obd_nid_hash;
939 struct lustre_hash *obd_nid_stats_hash;
940 struct list_head obd_nid_stats;
941 atomic_t obd_refcount;
942 cfs_waitq_t obd_refcount_waitq;
943 struct list_head obd_exports;
945 spinlock_t obd_nid_lock;
946 struct ldlm_namespace *obd_namespace;
947 struct ptlrpc_client obd_ldlm_client; /* XXX OST/MDS only */
948 /* a spinlock is OK for what we do now, may need a semaphore later */
949 spinlock_t obd_dev_lock;
950 struct semaphore obd_dev_sem;
951 __u64 obd_last_committed;
952 struct fsfilt_operations *obd_fsops;
953 spinlock_t obd_osfs_lock;
954 struct obd_statfs obd_osfs; /* locked by obd_osfs_lock */
956 struct lvfs_run_ctxt obd_lvfs_ctxt;
957 struct obd_llog_group obd_olg; /* default llog group */
958 struct obd_device *obd_observer;
959 struct obd_notify_upcall obd_upcall;
960 struct obd_export *obd_self_export;
961 /* list of exports in LRU order, for ping evictor, with obd_dev_lock */
962 struct list_head obd_exports_timed;
963 time_t obd_eviction_timer; /* for ping evictor */
965 /* XXX encapsulate all this recovery data into one struct */
966 svc_handler_t obd_recovery_handler;
967 pid_t obd_processing_task;
969 int obd_max_recoverable_clients;
970 int obd_connected_clients;
971 int obd_recoverable_clients;
972 spinlock_t obd_processing_task_lock; /* BH lock (timer) */
973 __u64 obd_next_recovery_transno;
974 int obd_replayed_requests;
975 int obd_requests_queued_for_recovery;
976 cfs_waitq_t obd_next_transno_waitq;
977 struct list_head obd_uncommitted_replies;
978 spinlock_t obd_uncommitted_replies_lock;
979 cfs_timer_t obd_recovery_timer;
980 time_t obd_recovery_start; /* seconds */
981 time_t obd_recovery_end; /* seconds, for lprocfs_status */
982 time_t obd_recovery_max_time; /* seconds, bz13079 */
983 int obd_recovery_timeout;
985 /* new recovery stuff from CMD2 */
986 struct target_recovery_data obd_recovery_data;
987 int obd_replayed_locks;
988 atomic_t obd_req_replay_clients;
989 atomic_t obd_lock_replay_clients;
990 struct list_head obd_req_replay_queue;
991 struct list_head obd_lock_replay_queue;
992 struct list_head obd_final_req_queue;
993 int obd_recovery_stage;
996 struct obd_device_target obt;
997 struct filter_obd filter;
999 struct client_obd cli;
1001 struct echo_client_obd echo_client;
1002 struct echo_obd echo;
1007 /* Fields used by LProcFS */
1008 unsigned int obd_cntr_base;
1009 struct lprocfs_stats *obd_stats;
1011 unsigned int md_cntr_base;
1012 struct lprocfs_stats *md_stats;
1014 cfs_proc_dir_entry_t *obd_proc_entry;
1015 cfs_proc_dir_entry_t *obd_proc_exports_entry;
1016 cfs_proc_dir_entry_t *obd_svc_procroot;
1017 struct lprocfs_stats *obd_svc_stats;
1018 atomic_t obd_evict_inprogress;
1019 cfs_waitq_t obd_evict_inprogress_waitq;
1022 * Ldlm pool part. Save last calculated SLV and Limit.
1024 rwlock_t obd_pool_lock;
1029 * A list of outstanding class_incref()'s against this obd. For
1032 struct lu_ref obd_reference;
1035 #define OBD_OPT_FORCE 0x0001
1036 #define OBD_OPT_FAILOVER 0x0002
1038 #define OBD_LLOG_FL_SENDNOW 0x0001
1040 enum obd_cleanup_stage {
1041 /* Special case hack for MDS LOVs */
1043 /* can be directly mapped to .ldto_device_fini() */
1044 OBD_CLEANUP_EXPORTS,
1047 /* get/set_info keys */
1048 #define KEY_READ_ONLY "read-only"
1049 #define KEY_MDS_CONN "mds_conn"
1050 #define KEY_NEXT_ID "next_id"
1051 #define KEY_LOVDESC "lovdesc"
1052 #define KEY_INIT_RECOV "initial_recov"
1053 #define KEY_INIT_RECOV_BACKUP "init_recov_bk"
1054 #define KEY_FLUSH_CTX "flush_ctx"
1055 #define KEY_CAPA_KEY "capa_key"
1056 #define KEY_CONN_DATA "conn_data"
1057 #define KEY_MAX_EASIZE "max_easize"
1058 #define KEY_REVIMP_UPD "revimp_update"
1059 #define KEY_LOV_IDX "lov_idx"
1060 #define KEY_LAST_ID "last_id"
1061 #define KEY_READONLY "read-only"
1062 #define KEY_LOCK_TO_STRIPE "lock_to_stripe"
1063 #define KEY_CHECKSUM "checksum"
1064 #define KEY_UNLINKED "unlinked"
1065 #define KEY_EVICT_BY_NID "evict_by_nid"
1066 #define KEY_REGISTER_TARGET "register_target"
1067 #define KEY_SET_FS "set_fs"
1068 #define KEY_CLEAR_FS "clear_fs"
1069 #define KEY_BLOCKSIZE "blocksize"
1070 #define KEY_BLOCKSIZE_BITS "blocksize_bits"
1071 #define KEY_FIEMAP "FIEMAP"
1073 #define KEY_INTERMDS "inter_mds"
1074 #define KEY_ASYNC "async"
1078 static inline int it_to_lock_mode(struct lookup_intent *it)
1080 /* CREAT needs to be tested before open (both could be set) */
1081 if (it->it_op & IT_CREAT)
1083 else if (it->it_op & (IT_READDIR | IT_GETATTR | IT_OPEN | IT_LOOKUP))
1086 LASSERTF(0, "Invalid it_op: %d\n", it->it_op);
1091 struct lu_fid op_fid1; /* operation fid1 (usualy parent) */
1092 struct lu_fid op_fid2; /* operation fid2 (usualy child) */
1093 struct lu_fid op_fid3; /* 2 extra fids to find conflicting */
1094 struct lu_fid op_fid4; /* to the operation locks. */
1095 mdsno_t op_mds; /* what mds server open will go to */
1096 struct lustre_handle op_handle;
1098 const char *op_name;
1101 struct lmv_stripe_md *op_mea1;
1102 struct lmv_stripe_md *op_mea2;
1103 __u32 op_suppgids[2];
1109 /* iattr fields and blocks. */
1110 struct iattr op_attr;
1112 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,14)
1113 unsigned int op_attr_flags;
1116 loff_t op_attr_blocks;
1118 /* Size-on-MDS epoch and flags. */
1123 struct obd_capa *op_capa1;
1124 struct obd_capa *op_capa2;
1126 /* Various operation flags. */
1129 /* Operation type */
1133 struct md_enqueue_info;
1134 /* metadata stat-ahead */
1135 typedef int (* md_enqueue_cb_t)(struct ptlrpc_request *req,
1136 struct md_enqueue_info *minfo,
1139 struct md_enqueue_info {
1140 struct md_op_data mi_data;
1141 struct lookup_intent mi_it;
1142 struct lustre_handle mi_lockh;
1143 struct dentry *mi_dentry;
1144 md_enqueue_cb_t mi_cb;
1145 unsigned int mi_generation;
1150 struct module *o_owner;
1151 int (*o_iocontrol)(unsigned int cmd, struct obd_export *exp, int len,
1152 void *karg, void *uarg);
1153 int (*o_get_info)(struct obd_export *, __u32 keylen, void *key,
1154 __u32 *vallen, void *val, struct lov_stripe_md *lsm);
1155 int (*o_set_info_async)(struct obd_export *, __u32 keylen, void *key,
1156 __u32 vallen, void *val,
1157 struct ptlrpc_request_set *set);
1158 int (*o_attach)(struct obd_device *dev, obd_count len, void *data);
1159 int (*o_detach)(struct obd_device *dev);
1160 int (*o_setup) (struct obd_device *dev, struct lustre_cfg *cfg);
1161 int (*o_precleanup)(struct obd_device *dev,
1162 enum obd_cleanup_stage cleanup_stage);
1163 int (*o_cleanup)(struct obd_device *dev);
1164 int (*o_process_config)(struct obd_device *dev, obd_count len,
1166 int (*o_postrecov)(struct obd_device *dev);
1167 int (*o_add_conn)(struct obd_import *imp, struct obd_uuid *uuid,
1169 int (*o_del_conn)(struct obd_import *imp, struct obd_uuid *uuid);
1170 /* connect to the target device with given connection
1171 * data. @ocd->ocd_connect_flags is modified to reflect flags actually
1172 * granted by the target, which are guaranteed to be a subset of flags
1173 * asked for. If @ocd == NULL, use default parameters. */
1174 int (*o_connect)(const struct lu_env *env,
1175 struct lustre_handle *conn, struct obd_device *src,
1176 struct obd_uuid *cluuid, struct obd_connect_data *ocd,
1178 int (*o_reconnect)(const struct lu_env *env,
1179 struct obd_export *exp, struct obd_device *src,
1180 struct obd_uuid *cluuid,
1181 struct obd_connect_data *ocd,
1183 int (*o_disconnect)(struct obd_export *exp);
1185 /* Initialize/finalize fids infrastructure. */
1186 int (*o_fid_init)(struct obd_export *exp);
1187 int (*o_fid_fini)(struct obd_export *exp);
1189 /* Allocate new fid according to passed @hint. */
1190 int (*o_fid_alloc)(struct obd_export *exp, struct lu_fid *fid,
1191 struct md_op_data *op_data);
1194 * Object with @fid is getting deleted, we may want to do something
1197 int (*o_fid_delete)(struct obd_export *exp, const struct lu_fid *fid);
1199 int (*o_statfs)(struct obd_device *obd, struct obd_statfs *osfs,
1200 __u64 max_age, __u32 flags);
1201 int (*o_statfs_async)(struct obd_device *obd, struct obd_info *oinfo,
1202 __u64 max_age, struct ptlrpc_request_set *set);
1203 int (*o_packmd)(struct obd_export *exp, struct lov_mds_md **disk_tgt,
1204 struct lov_stripe_md *mem_src);
1205 int (*o_unpackmd)(struct obd_export *exp,struct lov_stripe_md **mem_tgt,
1206 struct lov_mds_md *disk_src, int disk_len);
1207 int (*o_checkmd)(struct obd_export *exp, struct obd_export *md_exp,
1208 struct lov_stripe_md *mem_tgt);
1209 int (*o_preallocate)(struct lustre_handle *, obd_count *req,
1211 /* FIXME: add fid capability support for create & destroy! */
1212 int (*o_precreate)(struct obd_export *exp);
1213 int (*o_create)(struct obd_export *exp, struct obdo *oa,
1214 struct lov_stripe_md **ea, struct obd_trans_info *oti);
1215 int (*o_destroy)(struct obd_export *exp, struct obdo *oa,
1216 struct lov_stripe_md *ea, struct obd_trans_info *oti,
1217 struct obd_export *md_exp);
1218 int (*o_setattr)(struct obd_export *exp, struct obd_info *oinfo,
1219 struct obd_trans_info *oti);
1220 int (*o_setattr_async)(struct obd_export *exp, struct obd_info *oinfo,
1221 struct obd_trans_info *oti,
1222 struct ptlrpc_request_set *rqset);
1223 int (*o_getattr)(struct obd_export *exp, struct obd_info *oinfo);
1224 int (*o_getattr_async)(struct obd_export *exp, struct obd_info *oinfo,
1225 struct ptlrpc_request_set *set);
1226 int (*o_brw)(int rw, struct obd_export *exp, struct obd_info *oinfo,
1227 obd_count oa_bufs, struct brw_page *pgarr,
1228 struct obd_trans_info *oti);
1229 int (*o_merge_lvb)(struct obd_export *exp, struct lov_stripe_md *lsm,
1230 struct ost_lvb *lvb, int kms_only);
1231 int (*o_adjust_kms)(struct obd_export *exp, struct lov_stripe_md *lsm,
1232 obd_off size, int shrink);
1233 int (*o_punch)(struct obd_export *exp, struct obd_info *oinfo,
1234 struct obd_trans_info *oti,
1235 struct ptlrpc_request_set *rqset);
1236 int (*o_sync)(struct obd_export *exp, struct obdo *oa,
1237 struct lov_stripe_md *ea, obd_size start, obd_size end,
1239 int (*o_migrate)(struct lustre_handle *conn, struct lov_stripe_md *dst,
1240 struct lov_stripe_md *src, obd_size start,
1241 obd_size end, struct obd_trans_info *oti);
1242 int (*o_copy)(struct lustre_handle *dstconn, struct lov_stripe_md *dst,
1243 struct lustre_handle *srconn, struct lov_stripe_md *src,
1244 obd_size start, obd_size end, struct obd_trans_info *);
1245 int (*o_iterate)(struct lustre_handle *conn,
1246 int (*)(obd_id, obd_gr, void *),
1247 obd_id *startid, obd_gr group, void *data);
1248 int (*o_preprw)(int cmd, struct obd_export *exp, struct obdo *oa,
1249 int objcount, struct obd_ioobj *obj,
1250 struct niobuf_remote *remote, int *nr_pages,
1251 struct niobuf_local *local,
1252 struct obd_trans_info *oti,
1253 struct lustre_capa *capa);
1254 int (*o_commitrw)(int cmd, struct obd_export *exp, struct obdo *oa,
1255 int objcount, struct obd_ioobj *obj,
1256 struct niobuf_remote *remote, int pages,
1257 struct niobuf_local *local,
1258 struct obd_trans_info *oti, int rc);
1259 int (*o_enqueue)(struct obd_export *, struct obd_info *oinfo,
1260 struct ldlm_enqueue_info *einfo,
1261 struct ptlrpc_request_set *rqset);
1262 int (*o_change_cbdata)(struct obd_export *, struct lov_stripe_md *,
1263 ldlm_iterator_t it, void *data);
1264 int (*o_cancel)(struct obd_export *, struct lov_stripe_md *md,
1265 __u32 mode, struct lustre_handle *);
1266 int (*o_cancel_unused)(struct obd_export *, struct lov_stripe_md *,
1267 int flags, void *opaque);
1268 int (*o_init_export)(struct obd_export *exp);
1269 int (*o_destroy_export)(struct obd_export *exp);
1270 int (*o_extent_calc)(struct obd_export *, struct lov_stripe_md *,
1271 int cmd, obd_off *);
1273 /* llog related obd_methods */
1274 int (*o_llog_init)(struct obd_device *obd, struct obd_llog_group *grp,
1275 struct obd_device *disk_obd, int count,
1276 struct llog_catid *logid, struct obd_uuid *uuid);
1277 int (*o_llog_finish)(struct obd_device *obd, int count);
1278 int (*o_llog_connect)(struct obd_export *, struct llogd_conn_body *);
1280 /* metadata-only methods */
1281 int (*o_pin)(struct obd_export *, const struct lu_fid *fid,
1282 struct obd_capa *, struct obd_client_handle *, int flag);
1283 int (*o_unpin)(struct obd_export *, struct obd_client_handle *, int);
1285 int (*o_import_event)(struct obd_device *, struct obd_import *,
1286 enum obd_import_event);
1288 int (*o_notify)(struct obd_device *obd, struct obd_device *watched,
1289 enum obd_notify_event ev, void *data);
1291 int (*o_health_check)(struct obd_device *);
1292 struct obd_uuid *(*o_get_uuid) (struct obd_export *exp);
1295 int (*o_quotacheck)(struct obd_export *, struct obd_quotactl *);
1296 int (*o_quotactl)(struct obd_export *, struct obd_quotactl *);
1298 int (*o_ping)(struct obd_export *exp);
1301 int (*o_pool_new)(struct obd_device *obd, char *poolname);
1302 int (*o_pool_del)(struct obd_device *obd, char *poolname);
1303 int (*o_pool_add)(struct obd_device *obd, char *poolname,
1305 int (*o_pool_rem)(struct obd_device *obd, char *poolname,
1308 * NOTE: If adding ops, add another LPROCFS_OBD_OP_INIT() line
1309 * to lprocfs_alloc_obd_stats() in obdclass/lprocfs_status.c.
1310 * Also, add a wrapper function in include/linux/obd_class.h. */
1313 /* TODO: lmv_stripe_md should contain mds capabilities for all slave fids */
1314 struct lmv_stripe_md {
1319 struct lu_fid mea_ids[0];
1323 LUSTRE_OPC_MKDIR = (1 << 0),
1324 LUSTRE_OPC_SYMLINK = (1 << 1),
1325 LUSTRE_OPC_MKNOD = (1 << 2),
1326 LUSTRE_OPC_CREATE = (1 << 3),
1327 LUSTRE_OPC_ANY = (1 << 4)
1330 /* lmv structures */
1331 #define MEA_MAGIC_LAST_CHAR 0xb2221ca1
1332 #define MEA_MAGIC_ALL_CHARS 0xb222a11c
1333 #define MEA_MAGIC_HASH_SEGMENT 0xb222a11b
1335 #define MAX_HASH_SIZE_32 0x7fffffffUL
1336 #define MAX_HASH_SIZE 0x7fffffffffffffffULL
1337 #define MAX_HASH_HIGHEST_BIT 0x1000000000000000ULL
1340 struct mdt_body *body;
1341 struct lov_stripe_md *lsm;
1342 struct lmv_stripe_md *mea;
1343 #ifdef CONFIG_FS_POSIX_ACL
1344 struct posix_acl *posix_acl;
1346 struct mdt_remote_perm *remote_perm;
1347 struct obd_capa *mds_capa;
1348 struct obd_capa *oss_capa;
1351 struct md_open_data {
1352 struct obd_client_handle *mod_och;
1353 struct list_head mod_replay_list;
1356 struct lookup_intent;
1359 int (*m_getstatus)(struct obd_export *, struct lu_fid *,
1360 struct obd_capa **);
1361 int (*m_change_cbdata)(struct obd_export *, const struct lu_fid *,
1362 ldlm_iterator_t, void *);
1363 int (*m_close)(struct obd_export *, struct md_op_data *,
1364 struct md_open_data *, struct ptlrpc_request **);
1365 int (*m_create)(struct obd_export *, struct md_op_data *,
1366 const void *, int, int, __u32, __u32, cfs_cap_t,
1367 __u64, struct ptlrpc_request **);
1368 int (*m_done_writing)(struct obd_export *, struct md_op_data *,
1369 struct md_open_data *);
1370 int (*m_enqueue)(struct obd_export *, struct ldlm_enqueue_info *,
1371 struct lookup_intent *, struct md_op_data *,
1372 struct lustre_handle *, void *, int,
1373 struct ptlrpc_request **, int);
1374 int (*m_getattr)(struct obd_export *, const struct lu_fid *,
1375 struct obd_capa *, obd_valid, int,
1376 struct ptlrpc_request **);
1377 int (*m_getattr_name)(struct obd_export *, const struct lu_fid *,
1378 struct obd_capa *, const char *, int, obd_valid,
1379 int, __u32, struct ptlrpc_request **);
1380 int (*m_intent_lock)(struct obd_export *, struct md_op_data *,
1381 void *, int, struct lookup_intent *, int,
1382 struct ptlrpc_request **,
1383 ldlm_blocking_callback, int);
1384 int (*m_link)(struct obd_export *, struct md_op_data *,
1385 struct ptlrpc_request **);
1386 int (*m_rename)(struct obd_export *, struct md_op_data *,
1387 const char *, int, const char *, int,
1388 struct ptlrpc_request **);
1389 int (*m_is_subdir)(struct obd_export *, const struct lu_fid *,
1390 const struct lu_fid *,
1391 struct ptlrpc_request **);
1392 int (*m_setattr)(struct obd_export *, struct md_op_data *, void *,
1393 int , void *, int, struct ptlrpc_request **,
1394 struct md_open_data **mod);
1395 int (*m_sync)(struct obd_export *, const struct lu_fid *,
1396 struct obd_capa *, struct ptlrpc_request **);
1397 int (*m_readpage)(struct obd_export *, const struct lu_fid *,
1398 struct obd_capa *, __u64, struct page *,
1399 struct ptlrpc_request **);
1401 int (*m_unlink)(struct obd_export *, struct md_op_data *,
1402 struct ptlrpc_request **);
1404 int (*m_setxattr)(struct obd_export *, const struct lu_fid *,
1405 struct obd_capa *, obd_valid, const char *,
1406 const char *, int, int, int, __u32,
1407 struct ptlrpc_request **);
1409 int (*m_getxattr)(struct obd_export *, const struct lu_fid *,
1410 struct obd_capa *, obd_valid, const char *,
1411 const char *, int, int, int,
1412 struct ptlrpc_request **);
1414 int (*m_init_ea_size)(struct obd_export *, int, int, int);
1416 int (*m_get_lustre_md)(struct obd_export *, struct ptlrpc_request *,
1417 struct obd_export *, struct obd_export *,
1418 struct lustre_md *);
1420 int (*m_free_lustre_md)(struct obd_export *, struct lustre_md *);
1422 int (*m_set_open_replay_data)(struct obd_export *,
1423 struct obd_client_handle *,
1424 struct ptlrpc_request *);
1425 int (*m_clear_open_replay_data)(struct obd_export *,
1426 struct obd_client_handle *);
1427 int (*m_set_lock_data)(struct obd_export *, __u64 *, void *);
1429 ldlm_mode_t (*m_lock_match)(struct obd_export *, int,
1430 const struct lu_fid *, ldlm_type_t,
1431 ldlm_policy_data_t *, ldlm_mode_t,
1432 struct lustre_handle *);
1434 int (*m_cancel_unused)(struct obd_export *, const struct lu_fid *,
1435 ldlm_policy_data_t *, ldlm_mode_t, int flags,
1437 int (*m_renew_capa)(struct obd_export *, struct obd_capa *oc,
1438 renew_capa_cb_t cb);
1440 int (*m_get_remote_perm)(struct obd_export *, const struct lu_fid *,
1441 struct obd_capa *, __u32,
1442 struct ptlrpc_request **);
1444 int (*m_intent_getattr_async)(struct obd_export *,
1445 struct md_enqueue_info *,
1446 struct ldlm_enqueue_info *);
1448 int (*m_revalidate_lock)(struct obd_export *,
1449 struct lookup_intent *,
1453 * NOTE: If adding ops, add another LPROCFS_MD_OP_INIT() line to
1454 * lprocfs_alloc_md_stats() in obdclass/lprocfs_status.c. Also, add a
1455 * wrapper function in include/linux/obd_class.h.
1459 struct lsm_operations {
1460 void (*lsm_free)(struct lov_stripe_md *);
1461 int (*lsm_destroy)(struct lov_stripe_md *, struct obdo *oa,
1462 struct obd_export *md_exp);
1463 void (*lsm_stripe_by_index)(struct lov_stripe_md *, int *, obd_off *,
1465 void (*lsm_stripe_by_offset)(struct lov_stripe_md *, int *, obd_off *,
1467 obd_off (*lsm_stripe_offset_by_index)(struct lov_stripe_md *, int);
1468 obd_off (*lsm_stripe_offset_by_offset)(struct lov_stripe_md *, obd_off);
1469 int (*lsm_stripe_index_by_offset)(struct lov_stripe_md *, obd_off);
1470 int (*lsm_revalidate) (struct lov_stripe_md *, struct obd_device *obd);
1471 int (*lsm_lmm_verify) (struct lov_mds_md *lmm, int lmm_bytes,
1473 int (*lsm_unpackmd) (struct lov_obd *lov, struct lov_stripe_md *lsm,
1474 struct lov_mds_md *lmm);
1477 extern const struct lsm_operations lsm_v1_ops;
1478 extern const struct lsm_operations lsm_join_ops;
1479 extern const struct lsm_operations lsm_v3_ops;
1480 static inline const struct lsm_operations *lsm_op_find(int magic)
1485 case LOV_MAGIC_JOIN:
1486 return &lsm_join_ops;
1490 CERROR("Cannot recognize lsm_magic %d\n", magic);
1495 int lvfs_check_io_health(struct obd_device *obd, struct file *file);
1497 /* Requests for obd_extent_calc() */
1498 #define OBD_CALC_STRIPE_START 1
1499 #define OBD_CALC_STRIPE_END 2
1501 static inline void obd_transno_commit_cb(struct obd_device *obd, __u64 transno,
1505 CERROR("%s: transno "LPU64" commit error: %d\n",
1506 obd->obd_name, transno, error);
1509 if (transno > obd->obd_last_committed) {
1510 CDEBUG(D_HA, "%s: transno "LPD64" committed\n",
1511 obd->obd_name, transno);
1512 obd->obd_last_committed = transno;
1513 ptlrpc_commit_replies (obd);
1515 CDEBUG(D_INFO, "%s: transno "LPD64" committed\n",
1516 obd->obd_name, transno);
1520 static inline void init_obd_quota_ops(quota_interface_t *interface,
1521 struct obd_ops *obd_ops)
1527 obd_ops->o_quotacheck = QUOTA_OP(interface, check);
1528 obd_ops->o_quotactl = QUOTA_OP(interface, ctl);
1531 static inline __u64 oinfo_mdsno(struct obd_info *oinfo)
1533 return oinfo->oi_oa->o_gr - FILTER_GROUP_MDS0;
1536 static inline struct lustre_capa *oinfo_capa(struct obd_info *oinfo)
1538 return oinfo->oi_capa;
1541 #endif /* __OBD_H */