1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
10 #elif defined(__APPLE__)
11 #include <darwin/obd.h>
12 #elif defined(__WINNT__)
13 #include <winnt/obd.h>
15 #error Unsupported operating system.
18 #define IOC_OSC_TYPE 'h'
19 #define IOC_OSC_MIN_NR 20
20 #define IOC_OSC_SET_ACTIVE _IOWR(IOC_OSC_TYPE, 21, struct obd_device *)
21 #define IOC_OSC_MAX_NR 50
23 #define IOC_MDC_TYPE 'i'
24 #define IOC_MDC_MIN_NR 20
25 /* Moved to lustre_user.h
26 #define IOC_MDC_LOOKUP _IOWR(IOC_MDC_TYPE, 20, struct obd_ioctl_data *)
27 #define IOC_MDC_GETSTRIPE _IOWR(IOC_MDC_TYPE, 21, struct lov_mds_md *) */
28 #define IOC_MDC_MAX_NR 50
30 #include <lustre/lustre_idl.h>
31 #include <lu_object.h>
32 #include <lustre_lib.h>
33 #include <lustre_export.h>
34 #include <lustre_quota.h>
35 #include <lustre_fld.h>
36 #include <lustre_capa.h>
38 #define MAX_OBD_DEVICES 8192
40 /* this is really local to the OSC */
41 struct loi_oap_pages {
42 struct list_head lop_pending;
43 struct list_head lop_urgent;
44 struct list_head lop_pending_group;
54 struct lov_oinfo { /* per-stripe data structure */
55 __u64 loi_id; /* object ID on the target OST */
56 __u64 loi_gr; /* object group on the target OST */
57 int loi_ost_idx; /* OST stripe index in lov_tgt_desc->tgts */
58 int loi_ost_gen; /* generation of this loi_ost_idx */
60 /* used by the osc to keep track of what objects to build into rpcs */
61 struct loi_oap_pages loi_read_lop;
62 struct loi_oap_pages loi_write_lop;
63 /* _cli_ is poorly named, it should be _ready_ */
64 struct list_head loi_cli_item;
65 struct list_head loi_write_item;
66 struct list_head loi_read_item;
68 unsigned loi_kms_valid:1;
69 __u64 loi_kms; /* known minimum size */
70 struct ost_lvb loi_lvb;
71 struct osc_async_rc loi_ar;
74 static inline void loi_init(struct lov_oinfo *loi)
76 CFS_INIT_LIST_HEAD(&loi->loi_read_lop.lop_pending);
77 CFS_INIT_LIST_HEAD(&loi->loi_read_lop.lop_urgent);
78 CFS_INIT_LIST_HEAD(&loi->loi_read_lop.lop_pending_group);
79 CFS_INIT_LIST_HEAD(&loi->loi_write_lop.lop_pending);
80 CFS_INIT_LIST_HEAD(&loi->loi_write_lop.lop_urgent);
81 CFS_INIT_LIST_HEAD(&loi->loi_write_lop.lop_pending_group);
82 CFS_INIT_LIST_HEAD(&loi->loi_cli_item);
83 CFS_INIT_LIST_HEAD(&loi->loi_write_item);
84 CFS_INIT_LIST_HEAD(&loi->loi_read_item);
87 /*extent array item for describing the joined file extent info*/
89 __u64 le_start; /* extent start */
90 __u64 le_len; /* extent length */
91 int le_loi_idx; /* extent #1 loi's index in lsm loi array */
92 int le_stripe_count; /* extent stripe count*/
95 /*Lov array info for describing joined file array EA info*/
96 struct lov_array_info {
97 struct llog_logid lai_array_id; /* MDS med llog object id */
98 unsigned lai_ext_count; /* number of extent count */
99 struct lov_extent *lai_ext_array; /* extent desc array */
102 struct lov_stripe_md {
104 void *lsm_lock_owner; /* debugging */
107 /* Public members. */
108 __u64 lw_object_id; /* lov object id */
109 __u64 lw_object_gr; /* lov object group */
110 __u64 lw_maxbytes; /* maximum possible file size */
112 /* LOV-private members start here -- only for use in lov/. */
114 __u32 lw_stripe_size; /* size of the stripe */
115 __u32 lw_pattern; /* striping pattern (RAID0, RAID1) */
116 unsigned lw_stripe_count; /* number of objects being striped over */
119 struct lov_array_info *lsm_array; /*Only for joined file array info*/
120 struct lov_oinfo lsm_oinfo[0];
123 #define lsm_object_id lsm_wire.lw_object_id
124 #define lsm_object_gr lsm_wire.lw_object_gr
125 #define lsm_maxbytes lsm_wire.lw_maxbytes
126 #define lsm_magic lsm_wire.lw_magic
127 #define lsm_stripe_size lsm_wire.lw_stripe_size
128 #define lsm_pattern lsm_wire.lw_pattern
129 #define lsm_stripe_count lsm_wire.lw_stripe_count
133 typedef int (*obd_enqueue_update_f)(struct obd_info *oinfo, int rc);
135 /* obd_enqueue parameters common for all levels (lov, osc). */
136 struct obd_enqueue_info {
137 /* Flags used while lock handling. */
139 /* Type of the lock being enqueued. */
141 /* Mode of the lock being enqueued. */
143 /* Different callbacks for lock handling (blocking, completion,
148 /* Data to be passed into callbacks. */
150 /* Request set for OSC async requests. */
151 struct ptlrpc_request_set *ei_rqset;
154 /* obd info for a particular level (lov, osc). */
156 /* Lock policy. It keeps an extent which is specific for a particular
157 * OSC. (e.g. lov_prep_enqueue_set initialises extent of the policy,
158 * and osc_enqueue passes it into ldlm_lock_match & ldlm_cli_enqueue. */
159 ldlm_policy_data_t oi_policy;
160 /* Lock handle specific for every OSC lock. */
161 struct lustre_handle *oi_lockh;
162 /* lsm data specific for every OSC. */
163 struct lov_stripe_md *oi_md;
164 /* obdo data specific for every OSC, if needed at all. */
166 /* statfs data specific for every OSC, if needed at all. */
167 struct obd_statfs *oi_osfs;
168 /* An update callback which is called to update some data on upper
169 * level. E.g. it is used for update lsm->lsm_oinfo at every recieved
170 * request in osc level for enqueue requests. It is also possible to
171 * update some caller data from LOV layer if needed. */
172 obd_enqueue_update_f oi_cb_up;
173 /* oss capability, its type is obd_capa in client to avoid copy.
174 * in contrary its type is lustre_capa in OSS. */
178 /* compare all relevant fields. */
179 static inline int lov_stripe_md_cmp(struct lov_stripe_md *m1,
180 struct lov_stripe_md *m2)
183 * ->lsm_wire contains padding, but it should be zeroed out during
186 return memcmp(&m1->lsm_wire, &m2->lsm_wire, sizeof m1->lsm_wire);
189 void lov_stripe_lock(struct lov_stripe_md *md);
190 void lov_stripe_unlock(struct lov_stripe_md *md);
193 struct list_head typ_chain;
194 struct obd_ops *typ_dt_ops;
195 struct md_ops *typ_md_ops;
196 struct proc_dir_entry *typ_procroot;
199 struct lu_device_type *typ_lu;
200 spinlock_t obd_type_lock;
211 ASYNC_READY = 0x1, /* ap_make_ready will not be called before this
212 page is added to an rpc */
213 ASYNC_URGENT = 0x2, /* page must be put into an RPC before return */
214 ASYNC_COUNT_STABLE = 0x4, /* ap_refresh_count will not be called
215 to give the caller a chance to update
216 or cancel the size of the io */
217 ASYNC_GROUP_SYNC = 0x8, /* ap_completion will not be called, instead
218 the page is accounted for in the
219 obd_io_group given to
220 obd_queue_group_io */
223 struct obd_async_page_ops {
224 int (*ap_make_ready)(void *data, int cmd);
225 int (*ap_refresh_count)(void *data, int cmd);
226 void (*ap_fill_obdo)(void *data, int cmd, struct obdo *oa);
227 void (*ap_update_obdo)(void *data, int cmd, struct obdo *oa,
229 int (*ap_completion)(void *data, int cmd, struct obdo *oa, int rc);
230 struct obd_capa *(*ap_lookup_capa)(void *data, int cmd);
233 /* the `oig' is passed down from a caller of obd rw methods. the callee
234 * records enough state such that the caller can sleep on the oig and
235 * be woken when all the callees have finished their work */
236 struct obd_io_group {
238 atomic_t oig_refcount;
241 struct list_head oig_occ_list;
242 cfs_waitq_t oig_waitq;
245 /* the oig callback context lets the callee of obd rw methods register
246 * for callbacks from the caller. */
247 struct oig_callback_context {
248 struct list_head occ_oig_item;
249 /* called when the caller has received a signal while sleeping.
250 * callees of this method are encouraged to abort their state
251 * in the oig. This may be called multiple times. */
252 void (*occ_interrupted)(struct oig_callback_context *occ);
253 unsigned int interrupted:1;
256 /* if we find more consumers this could be generalized */
257 #define OBD_HIST_MAX 32
258 struct obd_histogram {
260 unsigned long oh_buckets[OBD_HIST_MAX];
263 /* Individual type definitions */
265 struct ost_server_data;
267 /* hold common fields for "target" device */
268 struct obd_device_target {
269 struct super_block *obt_sb;
270 atomic_t obt_quotachecking;
271 struct lustre_quota_ctxt obt_qctxt;
276 LLOG_CONFIG_ORIG_CTXT = 0,
277 LLOG_CONFIG_REPL_CTXT = 1,
278 LLOG_MDS_OST_ORIG_CTXT = 2,
279 LLOG_MDS_OST_REPL_CTXT = 3,
280 LLOG_SIZE_ORIG_CTXT = 4,
281 LLOG_SIZE_REPL_CTXT = 5,
282 LLOG_MD_ORIG_CTXT = 6,
283 LLOG_MD_REPL_CTXT = 7,
284 LLOG_RD1_ORIG_CTXT = 8,
285 LLOG_RD1_REPL_CTXT = 9,
286 LLOG_TEST_ORIG_CTXT = 10,
287 LLOG_TEST_REPL_CTXT = 11,
288 LLOG_LOVEA_ORIG_CTXT = 12,
289 LLOG_LOVEA_REPL_CTXT = 13,
293 #define FILTER_SUBDIR_COUNT 32 /* set to zero for no subdirs */
295 #define FILTER_GROUP_LLOG 1
296 #define FILTER_GROUP_ECHO 2
297 #define FILTER_GROUP_MDS0 3
299 struct filter_subdirs {
300 cfs_dentry_t *dentry[FILTER_SUBDIR_COUNT];
310 struct llog_ctxt *llog_ctxt[LLOG_MAX_CTXTS];
313 struct filter_group_llog {
314 struct list_head list;
316 struct obd_llogs *llogs;
317 struct obd_export *exp;
321 /* NB this field MUST be first */
322 struct obd_device_target fo_obt;
323 const char *fo_fstype;
324 struct vfsmount *fo_vfsmnt;
327 cfs_dentry_t *fo_dentry_O;
328 cfs_dentry_t **fo_dentry_O_groups;
329 struct filter_subdirs *fo_dentry_O_sub;
330 struct semaphore fo_init_lock; /* group initialization lock */
331 int fo_committed_group;
334 spinlock_t fo_objidlock; /* protect fo_lastobjid */
335 spinlock_t fo_translock; /* protect fsd_last_transno */
336 struct file *fo_rcvd_filp;
337 struct file *fo_health_check_filp;
338 struct lr_server_data *fo_fsd;
339 unsigned long *fo_last_rcvd_slots;
340 __u64 fo_mount_count;
342 int fo_destroy_in_progress;
343 struct semaphore fo_create_lock;
345 struct list_head fo_export_list;
348 obd_size fo_tot_dirty; /* protected by obd_osfs_lock */
349 obd_size fo_tot_granted; /* all values in bytes */
350 obd_size fo_tot_pending;
352 obd_size fo_readcache_max_filesize;
354 struct obd_import *fo_mdc_imp;
355 struct obd_uuid fo_mdc_uuid;
356 struct lustre_handle fo_mdc_conn;
357 struct file **fo_last_objid_files;
358 __u64 *fo_last_objids; /* last created objid for groups,
359 * protected by fo_objidlock */
361 struct semaphore fo_alloc_lock;
363 atomic_t fo_r_in_flight;
364 atomic_t fo_w_in_flight;
367 * per-filter pool of kiobuf's allocated by filter_common_setup() and
368 * torn down by filter_cleanup(). Contains OST_NUM_THREADS elements of
369 * which ->fo_iobuf_count were allocated.
371 * This pool contains kiobuf used by
372 * filter_{prep,commit}rw_{read,write}() and is shared by all OST
375 * Locking: none, each OST thread uses only one element, determined by
376 * its "ordinal number", ->t_id.
378 struct filter_iobuf **fo_iobuf_pool;
381 struct obd_histogram fo_r_pages;
382 struct obd_histogram fo_w_pages;
383 struct obd_histogram fo_read_rpc_hist;
384 struct obd_histogram fo_write_rpc_hist;
385 struct obd_histogram fo_r_io_time;
386 struct obd_histogram fo_w_io_time;
387 struct obd_histogram fo_r_discont_pages;
388 struct obd_histogram fo_w_discont_pages;
389 struct obd_histogram fo_r_discont_blocks;
390 struct obd_histogram fo_w_discont_blocks;
391 struct obd_histogram fo_r_disk_iosize;
392 struct obd_histogram fo_w_disk_iosize;
393 struct obd_histogram fo_r_dio_frags;
394 struct obd_histogram fo_w_dio_frags;
396 struct list_head fo_llog_list;
397 spinlock_t fo_llog_list_lock;
399 struct lustre_quota_ctxt fo_quota_ctxt;
400 spinlock_t fo_quotacheck_lock;
401 atomic_t fo_quotachecking;
403 int fo_fmd_max_num; /* per exp filter_mod_data */
404 int fo_fmd_max_age; /* jiffies to fmd expiry */
406 /* capability related */
407 unsigned int fo_fl_oss_capa;
408 struct list_head fo_capa_keys;
411 #define OSC_MAX_RIF_DEFAULT 8
412 #define OSC_MAX_RIF_MAX 256
413 #define OSC_MAX_DIRTY_DEFAULT (OSC_MAX_RIF_DEFAULT * 4)
414 #define OSC_MAX_DIRTY_MB_MAX 2048 /* totally arbitrary */
416 #define MDC_MAX_RIF_DEFAULT 8
417 #define MDC_MAX_RIF_MAX 512
422 struct semaphore cl_sem;
423 struct obd_uuid cl_target_uuid;
424 struct obd_import *cl_import; /* ptlrpc connection state */
426 /* max_mds_easize is purely a performance thing so we don't have to
427 * call obd_size_diskmd() all the time. */
428 int cl_default_mds_easize;
429 int cl_max_mds_easize;
430 int cl_max_mds_cookiesize;
432 /* security configuration */
433 struct sec_flavor_config cl_sec_conf;
435 //struct llog_canceld_ctxt *cl_llcd; /* it's included by obd_llog_ctxt */
436 void *cl_llcd_offset;
438 /* the grant values are protected by loi_list_lock below */
439 long cl_dirty; /* all _dirty_ in bytes */
440 long cl_dirty_max; /* allowed w/o rpc */
441 long cl_avail_grant; /* bytes of credit for ost */
442 long cl_lost_grant; /* lost credits (trunc) */
443 struct list_head cl_cache_waiters; /* waiting for cache/grant */
445 /* keep track of objects that have lois that contain pages which
446 * have been queued for async brw. this lock also protects the
447 * lists of osc_client_pages that hang off of the loi */
449 * ->cl_loi_list_lock protects consistency of
450 * ->cl_loi_{ready,read,write}_list. ->ap_make_ready() and
451 * ->ap_completion() call-backs are executed under this lock. As we
452 * cannot guarantee that these call-backs never block on all platforms
453 * (as a matter of fact they do block on Mac OS X), type of
454 * ->cl_loi_list_lock is platform dependent: it's a spin-lock on Linux
455 * and blocking mutex on Mac OS X. (Alternative is to make this lock
456 * blocking everywhere, but we don't want to slow down fast-path of
457 * our main platform.)
459 * Exact type of ->cl_loi_list_lock is defined in arch/obd.h together
460 * with client_obd_list_{un,}lock() and
461 * client_obd_list_lock_{init,done}() functions.
463 client_obd_lock_t cl_loi_list_lock;
464 struct list_head cl_loi_ready_list;
465 struct list_head cl_loi_write_list;
466 struct list_head cl_loi_read_list;
469 /* just a sum of the loi/lop pending numbers to be exported by /proc */
470 int cl_pending_w_pages;
471 int cl_pending_r_pages;
472 int cl_max_pages_per_rpc;
473 int cl_max_rpcs_in_flight;
474 struct obd_histogram cl_read_rpc_hist;
475 struct obd_histogram cl_write_rpc_hist;
476 struct obd_histogram cl_read_page_hist;
477 struct obd_histogram cl_write_page_hist;
478 struct obd_histogram cl_read_offset_hist;
479 struct obd_histogram cl_write_offset_hist;
481 struct mdc_rpc_lock *cl_rpc_lock;
482 struct mdc_rpc_lock *cl_setattr_lock;
483 struct mdc_rpc_lock *cl_close_lock;
484 struct osc_creator cl_oscc;
487 struct semaphore cl_mgc_sem;
488 struct vfsmount *cl_mgc_vfsmnt;
489 struct dentry *cl_mgc_configs_dir;
490 atomic_t cl_mgc_refcount;
491 struct obd_export *cl_mgc_mgsexp;
494 unsigned int cl_checksum:1; /* debug checksums */
496 /* also protected by the poorly named _loi_list_lock lock above */
497 struct osc_async_rc cl_ar;
499 /* used by quotacheck */
500 int cl_qchk_stat; /* quotacheck stat of the peer */
502 /* sequence manager */
503 struct lu_client_seq *cl_seq;
505 #define obd2cli_tgt(obd) ((char *)(obd)->u.cli.cl_target_uuid.uuid)
507 #define CL_NOT_QUOTACHECKED 1 /* client->cl_qchk_stat init value */
510 struct ptlrpc_service *mgs_service;
511 struct vfsmount *mgs_vfsmnt;
512 struct super_block *mgs_sb;
513 struct dentry *mgs_configs_dir;
514 struct dentry *mgs_fid_de;
515 struct list_head mgs_fs_db_list;
516 struct semaphore mgs_sem;
519 /* hah, upper limit 64 should be enough */
520 #define N_NOSQUASH_NIDS 64
521 struct rootsquash_info {
524 int rsi_n_nosquash_nids;
525 lnet_nid_t rsi_nosquash_nids[N_NOSQUASH_NIDS];
529 /* NB this field MUST be first */
530 struct obd_device_target mds_obt;
531 struct ptlrpc_service *mds_service;
532 struct ptlrpc_service *mds_setattr_service;
533 struct ptlrpc_service *mds_readpage_service;
534 struct vfsmount *mds_vfsmnt;
535 cfs_dentry_t *mds_fid_de;
537 int mds_max_cookiesize;
538 struct file *mds_rcvd_filp;
539 spinlock_t mds_transno_lock;
540 __u64 mds_last_transno;
541 __u64 mds_mount_count;
543 unsigned long mds_atime_diff;
544 struct semaphore mds_epoch_sem;
545 struct ll_fid mds_rootfid;
546 struct lr_server_data *mds_server_data;
547 cfs_dentry_t *mds_pending_dir;
548 cfs_dentry_t *mds_logs_dir;
549 cfs_dentry_t *mds_objects_dir;
550 struct llog_handle *mds_cfg_llh;
551 // struct llog_handle *mds_catalog;
552 struct obd_device *mds_osc_obd; /* XXX lov_obd */
553 struct obd_uuid mds_lov_uuid;
555 struct obd_export *mds_osc_exp; /* XXX lov_exp */
556 struct lov_desc mds_lov_desc;
558 obd_id *mds_lov_objids;
559 int mds_lov_objids_size;
560 __u32 mds_lov_objids_in_file;
561 unsigned int mds_lov_objids_dirty:1;
562 int mds_lov_nextid_set;
563 struct file *mds_lov_objid_filp;
564 struct file *mds_health_check_filp;
565 unsigned long *mds_client_bitmap;
566 // struct upcall_cache *mds_group_hash;
568 struct lustre_quota_info mds_quota_info;
569 struct semaphore mds_qonoff_sem;
570 struct semaphore mds_health_sem;
571 unsigned long mds_lov_objids_valid:1,
576 struct upcall_cache *mds_identity_cache;
577 struct upcall_cache *mds_rmtacl_cache;
580 struct rootsquash_info *mds_rootsquash_info;
582 /* for capability keys update */
583 struct lustre_capa_key *mds_capa_keys;
590 struct lustre_handle eo_nl_lock;
595 struct ptlrpc_service *ost_service;
596 struct ptlrpc_service *ost_create_service;
597 struct ptlrpc_service *ost_io_service;
598 struct semaphore ost_health_sem;
601 struct echo_client_obd {
602 struct obd_export *ec_exp; /* the local connection to osc/lov */
604 struct list_head ec_objects;
610 struct obd_uuid lqo_uuid; /* ptlrpc's c_remote_uuid */
611 struct list_head lqo_oss_list; /* link to lov_qos */
612 __u32 lqo_ost_count; /* number of osts on this oss */
613 __u64 lqo_bavail; /* total bytes avail on OSS */
614 __u64 lqo_penalty; /* current penalty */
615 __u64 lqo_penalty_per_obj; /* penalty decrease every obj*/
619 struct lov_qos_oss *ltq_oss; /* oss info */
620 __u64 ltq_penalty; /* current penalty */
621 __u64 ltq_penalty_per_obj; /* penalty decrease every obj*/
622 __u64 ltq_weight; /* net weighting */
623 unsigned int ltq_usable:1; /* usable for striping */
627 struct list_head lq_oss_list; /* list of OSSs that targets use */
628 struct rw_semaphore lq_rw_sem;
629 __u32 lq_active_oss_count;
630 __u32 *lq_rr_array; /* round-robin optimized list */
631 unsigned int lq_rr_size; /* rr array size */
632 unsigned int lq_prio_free; /* priority for free space */
633 unsigned int lq_dirty:1, /* recalc qos data */
634 lq_dirty_rr:1, /* recalc round-robin list */
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 int 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 struct lov_desc desc;
653 struct lov_tgt_desc **lov_tgts;
654 struct semaphore lov_lock;
655 struct obd_connect_data lov_ocd;
656 struct lov_qos lov_qos; /* qos info per lov */
657 atomic_t lov_refcount;
658 __u32 lov_tgt_count; /* how many OBD's */
659 __u32 lov_active_tgt_count; /* how many active */
660 __u32 lov_death_row;/* tgts scheduled to be deleted */
661 __u32 lov_tgt_size; /* size of tgts array */
662 __u32 lov_start_idx; /* start index of new inode */
663 __u32 lov_offset_idx; /* aliasing for start_idx */
664 int lov_start_count;/* reseed counter */
668 struct lmv_tgt_desc {
669 struct obd_uuid ltd_uuid;
670 struct obd_export *ltd_exp;
671 int ltd_active; /* is this target up for requests */
673 struct semaphore ltd_fid_sem;
678 struct lu_client_fld lmv_fld;
680 struct lmv_desc desc;
681 struct obd_uuid cluuid;
682 struct obd_export *exp;
689 struct semaphore init_sem;
691 struct lmv_tgt_desc *tgts;
694 struct obd_connect_data *datas;
697 struct obd_connect_data conn_data;
700 struct niobuf_local {
705 cfs_dentry_t *dentry;
710 #define LUSTRE_OPC_MKDIR (1 << 0)
711 #define LUSTRE_OPC_SYMLINK (1 << 1)
712 #define LUSTRE_OPC_MKNOD (1 << 2)
713 #define LUSTRE_OPC_CREATE (1 << 3)
715 struct lu_placement_hint {
716 struct qstr *ph_pname;
717 struct lu_fid *ph_pfid;
718 struct qstr *ph_cname;
722 #define LUSTRE_FLD_NAME "fld"
723 #define LUSTRE_SEQ_NAME "seq"
725 #define LUSTRE_CMM_NAME "cmm"
726 #define LUSTRE_MDD_NAME "mdd"
727 #define LUSTRE_OSD_NAME "osd"
728 #define LUSTRE_LMV_NAME "lmv"
729 #define LUSTRE_CMM_MDC_NAME "cmm-mdc"
731 /* obd device type names */
732 /* FIXME all the references to LUSTRE_MDS_NAME should be swapped with LUSTRE_MDT_NAME */
733 #define LUSTRE_MDS_NAME "mds"
734 #define LUSTRE_MDT_NAME "mdt"
735 #define LUSTRE_MDC_NAME "mdc"
736 #define LUSTRE_OSS_NAME "ost" /* FIXME change name to oss */
737 #define LUSTRE_OST_NAME "obdfilter" /* FIXME change name to ost */
738 #define LUSTRE_OSC_NAME "osc"
739 #define LUSTRE_LOV_NAME "lov"
740 #define LUSTRE_MGS_NAME "mgs"
741 #define LUSTRE_MGC_NAME "mgc"
743 #define LUSTRE_CACHEOBD_NAME "cobd"
744 #define LUSTRE_ECHO_NAME "obdecho"
745 #define LUSTRE_ECHO_CLIENT_NAME "echo_client"
747 /* Constant obd names (post-rename) */
748 #define LUSTRE_MDS_OBDNAME "MDS"
749 #define LUSTRE_OSS_OBDNAME "OSS"
750 #define LUSTRE_MGS_OBDNAME "MGS"
751 #define LUSTRE_MGC_OBDNAME "MGC"
753 /* Don't conflict with on-wire flags OBD_BRW_WRITE, etc */
754 #define N_LOCAL_TEMP_PAGE 0x10000000
756 struct obd_trans_info {
760 /* Only used on the server side for tracking acks. */
761 struct oti_req_ack_lock {
762 struct lustre_handle lock;
766 struct llog_cookie oti_onecookie;
767 struct llog_cookie *oti_logcookies;
770 /* initial thread handling transaction */
775 static inline void oti_init(struct obd_trans_info *oti,
776 struct ptlrpc_request *req)
780 memset(oti, 0, sizeof *oti);
785 oti->oti_xid = req->rq_xid;
787 if (req->rq_repmsg && req->rq_reqmsg != 0)
788 oti->oti_transno = lustre_msg_get_transno(req->rq_repmsg);
789 oti->oti_thread_id = req->rq_svc_thread ? req->rq_svc_thread->t_id : -1;
790 oti->oti_conn_cnt = lustre_msg_get_conn_cnt(req->rq_reqmsg);
793 static inline void oti_alloc_cookies(struct obd_trans_info *oti,int num_cookies)
798 if (num_cookies == 1)
799 oti->oti_logcookies = &oti->oti_onecookie;
801 OBD_ALLOC(oti->oti_logcookies,
802 num_cookies * sizeof(oti->oti_onecookie));
804 oti->oti_numcookies = num_cookies;
807 static inline void oti_free_cookies(struct obd_trans_info *oti)
809 if (!oti || !oti->oti_logcookies)
812 if (oti->oti_logcookies == &oti->oti_onecookie)
813 LASSERT(oti->oti_numcookies == 1);
815 OBD_FREE(oti->oti_logcookies,
816 oti->oti_numcookies * sizeof(oti->oti_onecookie));
817 oti->oti_logcookies = NULL;
818 oti->oti_numcookies = 0;
822 * Events signalled through obd_notify() upcall-chain.
824 enum obd_notify_event {
825 /* Device activated */
827 /* Device deactivated */
829 /* Connect data for import were changed */
832 OBD_NOTIFY_SYNC_NONBLOCK,
836 #include <lu_object.h>
839 * Data structure used to pass obd_notify()-event to non-obd listeners (llite
840 * and liblustre being main examples).
842 struct obd_notify_upcall {
843 int (*onu_upcall)(struct obd_device *host, struct obd_device *watched,
844 enum obd_notify_event ev, void *owner);
845 /* Opaque datum supplied by upper layer listener */
849 struct target_recovery_data {
850 svc_handler_t trd_recovery_handler;
851 pid_t trd_processing_task;
852 struct completion trd_starting;
853 struct completion trd_finishing;
856 /* corresponds to one of the obd's */
857 #define MAX_OBD_NAME 128
858 #define OBD_DEVICE_MAGIC 0XAB5CD6EF
860 struct obd_type *obd_type;
863 /* common and UUID name of this device */
864 char obd_name[MAX_OBD_NAME];
865 struct obd_uuid obd_uuid;
867 struct lu_device *obd_lu_dev;
870 unsigned int obd_attached:1, /* finished attach */
871 obd_set_up:1, /* finished setup */
872 obd_recovering:1, /* there are recoverable clients */
873 obd_abort_recovery:1,/* somebody ioctl'ed us to abort */
874 obd_replayable:1, /* recovery is enabled; inform clients */
875 obd_no_transno:1, /* no committed-transno notification */
876 obd_no_recov:1, /* fail instead of retry messages */
877 obd_req_replaying:1, /* replaying requests */
878 obd_stopping:1, /* started cleanup */
879 obd_starting:1, /* started setup */
880 obd_force:1, /* cleanup with > 0 obd refcount */
881 obd_fail:1, /* cleanup with failover */
882 obd_async_recov:1, /* allow asyncronous orphan cleanup */
883 obd_configured:1; /* llog configuration finished successfully */
884 atomic_t obd_refcount;
885 cfs_waitq_t obd_refcount_waitq;
886 cfs_proc_dir_entry_t *obd_proc_entry;
887 struct list_head obd_exports;
889 struct ldlm_namespace *obd_namespace;
890 struct ptlrpc_client obd_ldlm_client; /* XXX OST/MDS only */
891 /* a spinlock is OK for what we do now, may need a semaphore later */
892 spinlock_t obd_dev_lock;
893 struct semaphore obd_dev_sem;
894 __u64 obd_last_committed;
895 struct fsfilt_operations *obd_fsops;
896 spinlock_t obd_osfs_lock;
897 struct obd_statfs obd_osfs; /* locked by obd_osfs_lock */
899 struct lvfs_run_ctxt obd_lvfs_ctxt;
900 struct llog_ctxt *obd_llog_ctxt[LLOG_MAX_CTXTS];
901 struct obd_device *obd_observer;
902 struct obd_notify_upcall obd_upcall;
903 struct obd_export *obd_self_export;
904 /* list of exports in LRU order, for ping evictor, with obd_dev_lock */
905 struct list_head obd_exports_timed;
906 time_t obd_eviction_timer; /* for ping evictor */
908 /* XXX encapsulate all this recovery data into one struct */
909 svc_handler_t obd_recovery_handler;
910 pid_t obd_processing_task;
912 /* common recovery fields for b1_x and CMD2 */
913 int obd_max_recoverable_clients;
914 int obd_connected_clients;
915 int obd_recoverable_clients;
916 spinlock_t obd_processing_task_lock; /* BH lock (timer) */
917 __u64 obd_next_recovery_transno;
918 int obd_replayed_requests;
919 int obd_requests_queued_for_recovery;
920 cfs_waitq_t obd_next_transno_waitq;
921 struct list_head obd_uncommitted_replies;
922 spinlock_t obd_uncommitted_replies_lock;
923 cfs_timer_t obd_recovery_timer;
924 time_t obd_recovery_start;
925 time_t obd_recovery_end;
927 /* new recovery stuff from CMD2 */
928 struct target_recovery_data obd_recovery_data;
929 int obd_replayed_locks;
930 atomic_t obd_req_replay_clients;
931 atomic_t obd_lock_replay_clients;
932 struct list_head obd_req_replay_queue;
933 struct list_head obd_lock_replay_queue;
934 struct list_head obd_final_req_queue;
935 int obd_recovery_stage;
938 struct obd_device_target obt;
939 struct filter_obd filter;
941 struct client_obd cli;
943 struct echo_client_obd echo_client;
944 struct echo_obd echo;
949 /* Fields used by LProcFS */
950 unsigned int obd_cntr_base;
951 struct lprocfs_stats *obd_stats;
953 unsigned int md_cntr_base;
954 struct lprocfs_stats *md_stats;
956 cfs_proc_dir_entry_t *obd_svc_procroot;
957 struct lprocfs_stats *obd_svc_stats;
960 #define OBD_OPT_FORCE 0x0001
961 #define OBD_OPT_FAILOVER 0x0002
963 #define OBD_LLOG_FL_SENDNOW 0x0001
965 enum obd_cleanup_stage {
966 /* Special case hack for MDS LOVs */
968 /* Precleanup stage 1, we must make sure all exports (other than the
969 self-export) get destroyed. */
971 /* Precleanup stage 2, do other type-specific cleanup requiring the
973 OBD_CLEANUP_SELF_EXP,
974 /* FIXME we should eliminate the "precleanup" function and make them stages
975 of the "cleanup" function. */
979 /* get/set_info keys */
980 #define KEY_MDS_CONN "mds_conn"
981 #define KEY_NEXT_ID "next_id"
982 #define KEY_LOVDESC "lovdesc"
983 #define KEY_INIT_RECOV "initial_recov"
984 #define KEY_INIT_RECOV_BACKUP "init_recov_bk"
985 #define KEY_FLUSH_CTX "flush_ctx"
986 #define KEY_CAPA_KEY "capa_key"
987 #define KEY_CONN_DATA "conn_data"
988 #define KEY_MAX_EASIZE "max_easize"
993 struct module *o_owner;
994 int (*o_iocontrol)(unsigned int cmd, struct obd_export *exp, int len,
995 void *karg, void *uarg);
996 int (*o_get_info)(struct obd_export *, __u32 keylen, void *key,
997 __u32 *vallen, void *val);
998 int (*o_set_info_async)(struct obd_export *, __u32 keylen, void *key,
999 __u32 vallen, void *val,
1000 struct ptlrpc_request_set *set);
1001 int (*o_attach)(struct obd_device *dev, obd_count len, void *data);
1002 int (*o_detach)(struct obd_device *dev);
1003 int (*o_setup) (struct obd_device *dev, struct lustre_cfg *cfg);
1004 int (*o_precleanup)(struct obd_device *dev,
1005 enum obd_cleanup_stage cleanup_stage);
1006 int (*o_cleanup)(struct obd_device *dev);
1007 int (*o_process_config)(struct obd_device *dev, obd_count len,
1009 int (*o_postrecov)(struct obd_device *dev);
1010 int (*o_add_conn)(struct obd_import *imp, struct obd_uuid *uuid,
1012 int (*o_del_conn)(struct obd_import *imp, struct obd_uuid *uuid);
1013 /* connect to the target device with given connection
1014 * data. @ocd->ocd_connect_flags is modified to reflect flags actually
1015 * granted by the target, which are guaranteed to be a subset of flags
1016 * asked for. If @ocd == NULL, use default parameters. */
1017 int (*o_connect)(const struct lu_env *env,
1018 struct lustre_handle *conn, struct obd_device *src,
1019 struct obd_uuid *cluuid, struct obd_connect_data *ocd);
1020 int (*o_reconnect)(struct obd_export *exp, struct obd_device *src,
1021 struct obd_uuid *cluuid,
1022 struct obd_connect_data *ocd);
1023 int (*o_disconnect)(struct obd_export *exp);
1025 /* maybe later these should be moved into separate fid_ops */
1026 int (*o_fid_init)(struct obd_export *exp);
1027 int (*o_fid_fini)(struct obd_export *exp);
1029 int (*o_fid_alloc)(struct obd_export *exp, struct lu_fid *fid,
1030 struct lu_placement_hint *hint);
1032 int (*o_fid_delete)(struct obd_export *exp, const struct lu_fid *fid);
1034 int (*o_statfs)(struct obd_device *obd, struct obd_statfs *osfs,
1036 int (*o_statfs_async)(struct obd_device *obd, struct obd_info *oinfo,
1037 __u64 max_age, struct ptlrpc_request_set *set);
1038 int (*o_packmd)(struct obd_export *exp, struct lov_mds_md **disk_tgt,
1039 struct lov_stripe_md *mem_src);
1040 int (*o_unpackmd)(struct obd_export *exp,struct lov_stripe_md **mem_tgt,
1041 struct lov_mds_md *disk_src, int disk_len);
1042 int (*o_checkmd)(struct obd_export *exp, struct obd_export *md_exp,
1043 struct lov_stripe_md *mem_tgt);
1044 int (*o_preallocate)(struct lustre_handle *, obd_count *req,
1046 /* FIXME: add fid capability support for create & destroy! */
1047 int (*o_create)(struct obd_export *exp, struct obdo *oa,
1048 struct lov_stripe_md **ea, struct obd_trans_info *oti);
1049 int (*o_destroy)(struct obd_export *exp, struct obdo *oa,
1050 struct lov_stripe_md *ea, struct obd_trans_info *oti,
1051 struct obd_export *md_exp);
1052 int (*o_setattr)(struct obd_export *exp, struct obd_info *oinfo,
1053 struct obd_trans_info *oti);
1054 int (*o_setattr_async)(struct obd_export *exp, struct obd_info *oinfo,
1055 struct obd_trans_info *oti,
1056 struct ptlrpc_request_set *rqset);
1057 int (*o_getattr)(struct obd_export *exp, struct obd_info *oinfo);
1058 int (*o_getattr_async)(struct obd_export *exp, struct obd_info *oinfo,
1059 struct ptlrpc_request_set *set);
1060 int (*o_brw)(int rw, struct obd_export *exp, struct obd_info *oinfo,
1061 obd_count oa_bufs, struct brw_page *pgarr,
1062 struct obd_trans_info *oti);
1063 int (*o_brw_async)(int rw, struct obd_export *exp,
1064 struct obd_info *oinfo, obd_count oa_bufs,
1065 struct brw_page *pgarr, struct obd_trans_info *oti,
1066 struct ptlrpc_request_set *);
1067 int (*o_prep_async_page)(struct obd_export *exp,
1068 struct lov_stripe_md *lsm,
1069 struct lov_oinfo *loi,
1070 struct page *page, obd_off offset,
1071 struct obd_async_page_ops *ops, void *data,
1073 int (*o_queue_async_io)(struct obd_export *exp,
1074 struct lov_stripe_md *lsm,
1075 struct lov_oinfo *loi, void *cookie,
1076 int cmd, obd_off off, int count,
1077 obd_flag brw_flags, obd_flag async_flags);
1078 int (*o_queue_group_io)(struct obd_export *exp,
1079 struct lov_stripe_md *lsm,
1080 struct lov_oinfo *loi,
1081 struct obd_io_group *oig,
1082 void *cookie, int cmd, obd_off off, int count,
1083 obd_flag brw_flags, obd_flag async_flags);
1084 int (*o_trigger_group_io)(struct obd_export *exp,
1085 struct lov_stripe_md *lsm,
1086 struct lov_oinfo *loi,
1087 struct obd_io_group *oig);
1088 int (*o_set_async_flags)(struct obd_export *exp,
1089 struct lov_stripe_md *lsm,
1090 struct lov_oinfo *loi, void *cookie,
1091 obd_flag async_flags);
1092 int (*o_teardown_async_page)(struct obd_export *exp,
1093 struct lov_stripe_md *lsm,
1094 struct lov_oinfo *loi, void *cookie);
1095 int (*o_merge_lvb)(struct obd_export *exp, struct lov_stripe_md *lsm,
1096 struct ost_lvb *lvb, int kms_only);
1097 int (*o_adjust_kms)(struct obd_export *exp, struct lov_stripe_md *lsm,
1098 obd_off size, int shrink);
1099 int (*o_punch)(struct obd_export *exp, struct obd_info *oinfo,
1100 struct obd_trans_info *oti,
1101 struct ptlrpc_request_set *rqset);
1102 int (*o_sync)(struct obd_export *exp, struct obdo *oa,
1103 struct lov_stripe_md *ea, obd_size start, obd_size end,
1105 int (*o_migrate)(struct lustre_handle *conn, struct lov_stripe_md *dst,
1106 struct lov_stripe_md *src, obd_size start,
1107 obd_size end, struct obd_trans_info *oti);
1108 int (*o_copy)(struct lustre_handle *dstconn, struct lov_stripe_md *dst,
1109 struct lustre_handle *srconn, struct lov_stripe_md *src,
1110 obd_size start, obd_size end, struct obd_trans_info *);
1111 int (*o_iterate)(struct lustre_handle *conn,
1112 int (*)(obd_id, obd_gr, void *),
1113 obd_id *startid, obd_gr group, void *data);
1114 int (*o_preprw)(int cmd, struct obd_export *exp, struct obdo *oa,
1115 int objcount, struct obd_ioobj *obj,
1116 int niocount, struct niobuf_remote *remote,
1117 struct niobuf_local *local, struct obd_trans_info *oti,
1118 struct lustre_capa *capa);
1119 int (*o_commitrw)(int cmd, struct obd_export *exp, struct obdo *oa,
1120 int objcount, struct obd_ioobj *obj,
1121 int niocount, struct niobuf_local *local,
1122 struct obd_trans_info *oti, int rc);
1123 int (*o_enqueue)(struct obd_export *, struct obd_info *oinfo,
1124 struct obd_enqueue_info *einfo);
1125 int (*o_match)(struct obd_export *, struct lov_stripe_md *, __u32 type,
1126 ldlm_policy_data_t *, __u32 mode, int *flags, void *data,
1127 struct lustre_handle *lockh);
1128 int (*o_change_cbdata)(struct obd_export *, struct lov_stripe_md *,
1129 ldlm_iterator_t it, void *data);
1130 int (*o_cancel)(struct obd_export *, struct lov_stripe_md *md,
1131 __u32 mode, struct lustre_handle *);
1132 int (*o_cancel_unused)(struct obd_export *, struct lov_stripe_md *,
1133 int flags, void *opaque);
1134 int (*o_join_lru)(struct obd_export *, struct lov_stripe_md *,
1136 int (*o_init_export)(struct obd_export *exp);
1137 int (*o_destroy_export)(struct obd_export *exp);
1138 int (*o_extent_calc)(struct obd_export *, struct lov_stripe_md *,
1139 int cmd, obd_off *);
1141 /* llog related obd_methods */
1142 int (*o_llog_init)(struct obd_device *obd, struct obd_llogs *llog,
1143 struct obd_device *disk_obd, int count,
1144 struct llog_catid *logid, struct obd_uuid *uuid);
1145 int (*o_llog_finish)(struct obd_device *obd, int count);
1146 int (*o_llog_connect)(struct obd_export *, struct llogd_conn_body *);
1148 /* metadata-only methods */
1149 int (*o_pin)(struct obd_export *, const struct lu_fid *fid,
1150 struct obd_capa *, struct obd_client_handle *, int flag);
1151 int (*o_unpin)(struct obd_export *, struct obd_client_handle *, int);
1153 int (*o_import_event)(struct obd_device *, struct obd_import *,
1154 enum obd_import_event);
1156 int (*o_notify)(struct obd_device *obd, struct obd_device *watched,
1157 enum obd_notify_event ev, void *data);
1159 int (*o_health_check)(struct obd_device *);
1162 int (*o_quotacheck)(struct obd_export *, struct obd_quotactl *);
1163 int (*o_quotactl)(struct obd_export *, struct obd_quotactl *);
1165 int (*o_ping)(struct obd_export *exp);
1167 * NOTE: If adding ops, add another LPROCFS_OBD_OP_INIT() line
1168 * to lprocfs_alloc_obd_stats() in obdclass/lprocfs_status.c.
1169 * Also, add a wrapper function in include/linux/obd_class.h. */
1173 int (*m_getstatus)(struct obd_export *, struct lu_fid *,
1174 struct obd_capa **);
1175 int (*m_change_cbdata)(struct obd_export *, const struct lu_fid *,
1176 ldlm_iterator_t, void *);
1177 int (*m_close)(struct obd_export *, struct md_op_data *,
1178 struct obd_client_handle *, struct ptlrpc_request **);
1179 int (*m_create)(struct obd_export *, struct md_op_data *,
1180 const void *, int, int, __u32, __u32, __u32,
1181 __u64, struct ptlrpc_request **);
1182 int (*m_done_writing)(struct obd_export *, struct md_op_data *,
1183 struct obd_client_handle *);
1184 int (*m_enqueue)(struct obd_export *, int, struct lookup_intent *,
1185 int, struct md_op_data *, struct lustre_handle *,
1186 void *, int, ldlm_completion_callback,
1187 ldlm_blocking_callback, void *, int);
1188 int (*m_getattr)(struct obd_export *, const struct lu_fid *,
1189 struct obd_capa *, obd_valid, int,
1190 struct ptlrpc_request **);
1191 int (*m_getattr_name)(struct obd_export *, const struct lu_fid *,
1192 struct obd_capa *, const char *, int, obd_valid,
1193 int, struct ptlrpc_request **);
1194 int (*m_intent_lock)(struct obd_export *, struct md_op_data *,
1195 void *, int, struct lookup_intent *, int,
1196 struct ptlrpc_request **,
1197 ldlm_blocking_callback, int);
1198 int (*m_link)(struct obd_export *, struct md_op_data *,
1199 struct ptlrpc_request **);
1200 int (*m_rename)(struct obd_export *, struct md_op_data *,
1201 const char *, int, const char *, int,
1202 struct ptlrpc_request **);
1203 int (*m_is_subdir)(struct obd_export *, const struct lu_fid *,
1204 const struct lu_fid *,
1205 struct ptlrpc_request **);
1206 int (*m_setattr)(struct obd_export *, struct md_op_data *, void *,
1207 int , void *, int, struct ptlrpc_request **);
1208 int (*m_sync)(struct obd_export *, const struct lu_fid *,
1209 struct obd_capa *, struct ptlrpc_request **);
1210 int (*m_readpage)(struct obd_export *, const struct lu_fid *,
1211 struct obd_capa *, __u64, struct page *,
1212 struct ptlrpc_request **);
1214 int (*m_unlink)(struct obd_export *, struct md_op_data *,
1215 struct ptlrpc_request **);
1217 int (*m_setxattr)(struct obd_export *, const struct lu_fid *,
1218 struct obd_capa *, obd_valid, const char *,
1219 const char *, int, int, int,
1220 struct ptlrpc_request **);
1222 int (*m_getxattr)(struct obd_export *, const struct lu_fid *,
1223 struct obd_capa *, obd_valid, const char *,
1224 const char *, int, int, int,
1225 struct ptlrpc_request **);
1227 int (*m_init_ea_size)(struct obd_export *, int, int, int);
1229 int (*m_get_lustre_md)(struct obd_export *, struct ptlrpc_request *,
1230 int, struct obd_export *, struct obd_export *,
1231 struct lustre_md *);
1233 int (*m_free_lustre_md)(struct obd_export *, struct lustre_md *);
1235 int (*m_set_open_replay_data)(struct obd_export *,
1236 struct obd_client_handle *,
1237 struct ptlrpc_request *);
1238 int (*m_clear_open_replay_data)(struct obd_export *,
1239 struct obd_client_handle *);
1240 int (*m_set_lock_data)(struct obd_export *, __u64 *, void *);
1242 int (*m_lock_match)(struct obd_export *, int, const struct lu_fid *,
1243 ldlm_type_t, ldlm_policy_data_t *, ldlm_mode_t,
1244 struct lustre_handle *);
1246 int (*m_cancel_unused)(struct obd_export *, const struct lu_fid *,
1247 int flags, void *opaque);
1248 int (*m_renew_capa)(struct obd_export *, struct obd_capa *oc,
1249 renew_capa_cb_t cb);
1251 int (*m_get_remote_perm)(struct obd_export *, const struct lu_fid *,
1252 struct obd_capa *, struct ptlrpc_request **);
1255 * NOTE: If adding ops, add another LPROCFS_MD_OP_INIT() line to
1256 * lprocfs_alloc_md_stats() in obdclass/lprocfs_status.c. Also, add a
1257 * wrapper function in include/linux/obd_class.h.
1261 struct lsm_operations {
1262 void (*lsm_free)(struct lov_stripe_md *);
1263 int (*lsm_destroy)(struct lov_stripe_md *, struct obdo *oa,
1264 struct obd_export *md_exp);
1265 void (*lsm_stripe_by_index)(struct lov_stripe_md *, int *, obd_off *,
1267 void (*lsm_stripe_by_offset)(struct lov_stripe_md *, int *, obd_off *,
1269 obd_off (*lsm_stripe_offset_by_index)(struct lov_stripe_md *, int);
1270 obd_off (*lsm_stripe_offset_by_offset)(struct lov_stripe_md *, obd_off);
1271 int (*lsm_stripe_index_by_offset)(struct lov_stripe_md *, obd_off);
1272 int (*lsm_revalidate) (struct lov_stripe_md *, struct obd_device *obd);
1273 int (*lsm_lmm_verify) (struct lov_mds_md *lmm, int lmm_bytes,
1275 int (*lsm_unpackmd) (struct lov_obd *lov, struct lov_stripe_md *lsm,
1276 struct lov_mds_md *lmm);
1279 extern struct lsm_operations lsm_plain_ops;
1280 extern struct lsm_operations lsm_join_ops;
1281 static inline struct lsm_operations *lsm_op_find(int magic)
1285 return &lsm_plain_ops;
1286 case LOV_MAGIC_JOIN:
1287 return &lsm_join_ops;
1289 CERROR("Cannot recognize lsm_magic %d\n", magic);
1294 int lvfs_check_io_health(struct obd_device *obd, struct file *file);
1296 /* Requests for obd_extent_calc() */
1297 #define OBD_CALC_STRIPE_START 1
1298 #define OBD_CALC_STRIPE_END 2
1300 static inline void obd_transno_commit_cb(struct obd_device *obd, __u64 transno,
1304 CERROR("%s: transno "LPD64" commit error: %d\n",
1305 obd->obd_name, transno, error);
1308 CDEBUG(D_HA, "%s: transno "LPD64" committed\n",
1309 obd->obd_name, transno);
1310 if (transno > obd->obd_last_committed) {
1311 obd->obd_last_committed = transno;
1312 ptlrpc_commit_replies (obd);
1316 static inline void init_obd_quota_ops(quota_interface_t *interface,
1317 struct obd_ops *obd_ops)
1323 obd_ops->o_quotacheck = QUOTA_OP(interface, check);
1324 obd_ops->o_quotactl = QUOTA_OP(interface, ctl);
1327 static inline __u64 oinfo_mdsno(struct obd_info *oinfo)
1329 return oinfo->oi_oa->o_gr - FILTER_GROUP_MDS0;
1332 static inline struct lustre_capa *oinfo_capa(struct obd_info *oinfo)
1334 return oinfo->oi_capa;
1337 #endif /* __OBD_H */