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>
37 #include <class_hash.h>
39 #define MAX_OBD_DEVICES 8192
41 /* this is really local to the OSC */
42 struct loi_oap_pages {
43 struct list_head lop_pending;
44 struct list_head lop_urgent;
45 struct list_head lop_pending_group;
55 struct lov_oinfo { /* per-stripe data structure */
56 __u64 loi_id; /* object ID on the target OST */
57 __u64 loi_gr; /* object group on the target OST */
58 int loi_ost_idx; /* OST stripe index in lov_tgt_desc->tgts */
59 int loi_ost_gen; /* generation of this loi_ost_idx */
61 /* used by the osc to keep track of what objects to build into rpcs */
62 struct loi_oap_pages loi_read_lop;
63 struct loi_oap_pages loi_write_lop;
64 /* _cli_ is poorly named, it should be _ready_ */
65 struct list_head loi_cli_item;
66 struct list_head loi_write_item;
67 struct list_head loi_read_item;
69 unsigned loi_kms_valid:1;
70 __u64 loi_kms; /* known minimum size */
71 struct ost_lvb loi_lvb;
72 struct osc_async_rc loi_ar;
75 static inline void loi_init(struct lov_oinfo *loi)
77 CFS_INIT_LIST_HEAD(&loi->loi_read_lop.lop_pending);
78 CFS_INIT_LIST_HEAD(&loi->loi_read_lop.lop_urgent);
79 CFS_INIT_LIST_HEAD(&loi->loi_read_lop.lop_pending_group);
80 CFS_INIT_LIST_HEAD(&loi->loi_write_lop.lop_pending);
81 CFS_INIT_LIST_HEAD(&loi->loi_write_lop.lop_urgent);
82 CFS_INIT_LIST_HEAD(&loi->loi_write_lop.lop_pending_group);
83 CFS_INIT_LIST_HEAD(&loi->loi_cli_item);
84 CFS_INIT_LIST_HEAD(&loi->loi_write_item);
85 CFS_INIT_LIST_HEAD(&loi->loi_read_item);
88 /*extent array item for describing the joined file extent info*/
90 __u64 le_start; /* extent start */
91 __u64 le_len; /* extent length */
92 int le_loi_idx; /* extent #1 loi's index in lsm loi array */
93 int le_stripe_count; /* extent stripe count*/
96 /*Lov array info for describing joined file array EA info*/
97 struct lov_array_info {
98 struct llog_logid lai_array_id; /* MDS med llog object id */
99 unsigned lai_ext_count; /* number of extent count */
100 struct lov_extent *lai_ext_array; /* extent desc array */
103 struct lov_stripe_md {
105 void *lsm_lock_owner; /* debugging */
108 /* Public members. */
109 __u64 lw_object_id; /* lov object id */
110 __u64 lw_object_gr; /* lov object group */
111 __u64 lw_maxbytes; /* maximum possible file size */
113 /* LOV-private members start here -- only for use in lov/. */
115 __u32 lw_stripe_size; /* size of the stripe */
116 __u32 lw_pattern; /* striping pattern (RAID0, RAID1) */
117 unsigned lw_stripe_count; /* number of objects being striped over */
120 struct lov_array_info *lsm_array; /*Only for joined file array info*/
121 struct lov_oinfo *lsm_oinfo[0];
124 #define lsm_object_id lsm_wire.lw_object_id
125 #define lsm_object_gr lsm_wire.lw_object_gr
126 #define lsm_maxbytes lsm_wire.lw_maxbytes
127 #define lsm_magic lsm_wire.lw_magic
128 #define lsm_stripe_size lsm_wire.lw_stripe_size
129 #define lsm_pattern lsm_wire.lw_pattern
130 #define lsm_stripe_count lsm_wire.lw_stripe_count
134 typedef int (*obd_enqueue_update_f)(struct obd_info *oinfo, int rc);
136 /* obd info for a particular level (lov, osc). */
138 /* Lock policy. It keeps an extent which is specific for a particular
139 * OSC. (e.g. lov_prep_enqueue_set initialises extent of the policy,
140 * and osc_enqueue passes it into ldlm_lock_match & ldlm_cli_enqueue. */
141 ldlm_policy_data_t oi_policy;
142 /* Flags used while lock handling. The flags obtained on the enqueue
143 * request are set here, therefore they are request specific. */
145 /* Lock handle specific for every OSC lock. */
146 struct lustre_handle *oi_lockh;
147 /* lsm data specific for every OSC. */
148 struct lov_stripe_md *oi_md;
149 /* obdo data specific for every OSC, if needed at all. */
151 /* statfs data specific for every OSC, if needed at all. */
152 struct obd_statfs *oi_osfs;
153 /* An update callback which is called to update some data on upper
154 * level. E.g. it is used for update lsm->lsm_oinfo at every recieved
155 * request in osc level for enqueue requests. It is also possible to
156 * update some caller data from LOV layer if needed. */
157 obd_enqueue_update_f oi_cb_up;
158 /* oss capability, its type is obd_capa in client to avoid copy.
159 * in contrary its type is lustre_capa in OSS. */
163 /* compare all relevant fields. */
164 static inline int lov_stripe_md_cmp(struct lov_stripe_md *m1,
165 struct lov_stripe_md *m2)
168 * ->lsm_wire contains padding, but it should be zeroed out during
171 return memcmp(&m1->lsm_wire, &m2->lsm_wire, sizeof m1->lsm_wire);
174 void lov_stripe_lock(struct lov_stripe_md *md);
175 void lov_stripe_unlock(struct lov_stripe_md *md);
178 struct list_head typ_chain;
179 struct obd_ops *typ_dt_ops;
180 struct md_ops *typ_md_ops;
181 cfs_proc_dir_entry_t *typ_procroot;
184 struct lu_device_type *typ_lu;
185 spinlock_t obd_type_lock;
196 ASYNC_READY = 0x1, /* ap_make_ready will not be called before this
197 page is added to an rpc */
198 ASYNC_URGENT = 0x2, /* page must be put into an RPC before return */
199 ASYNC_COUNT_STABLE = 0x4, /* ap_refresh_count will not be called
200 to give the caller a chance to update
201 or cancel the size of the io */
202 ASYNC_GROUP_SYNC = 0x8, /* ap_completion will not be called, instead
203 the page is accounted for in the
204 obd_io_group given to
205 obd_queue_group_io */
208 struct obd_async_page_ops {
209 int (*ap_make_ready)(void *data, int cmd);
210 int (*ap_refresh_count)(void *data, int cmd);
211 void (*ap_fill_obdo)(void *data, int cmd, struct obdo *oa);
212 void (*ap_update_obdo)(void *data, int cmd, struct obdo *oa,
214 int (*ap_completion)(void *data, int cmd, struct obdo *oa, int rc);
215 struct obd_capa *(*ap_lookup_capa)(void *data, int cmd);
218 /* the `oig' is passed down from a caller of obd rw methods. the callee
219 * records enough state such that the caller can sleep on the oig and
220 * be woken when all the callees have finished their work */
221 struct obd_io_group {
223 atomic_t oig_refcount;
226 struct list_head oig_occ_list;
227 cfs_waitq_t oig_waitq;
230 /* the oig callback context lets the callee of obd rw methods register
231 * for callbacks from the caller. */
232 struct oig_callback_context {
233 struct list_head occ_oig_item;
234 /* called when the caller has received a signal while sleeping.
235 * callees of this method are encouraged to abort their state
236 * in the oig. This may be called multiple times. */
237 void (*occ_interrupted)(struct oig_callback_context *occ);
238 unsigned int interrupted:1;
241 /* Individual type definitions */
243 struct ost_server_data;
245 /* hold common fields for "target" device */
246 struct obd_device_target {
247 struct super_block *obt_sb;
248 atomic_t obt_quotachecking;
249 struct lustre_quota_ctxt obt_qctxt;
254 LLOG_CONFIG_ORIG_CTXT = 0,
255 LLOG_CONFIG_REPL_CTXT = 1,
256 LLOG_MDS_OST_ORIG_CTXT = 2,
257 LLOG_MDS_OST_REPL_CTXT = 3,
258 LLOG_SIZE_ORIG_CTXT = 4,
259 LLOG_SIZE_REPL_CTXT = 5,
260 LLOG_MD_ORIG_CTXT = 6,
261 LLOG_MD_REPL_CTXT = 7,
262 LLOG_RD1_ORIG_CTXT = 8,
263 LLOG_RD1_REPL_CTXT = 9,
264 LLOG_TEST_ORIG_CTXT = 10,
265 LLOG_TEST_REPL_CTXT = 11,
266 LLOG_LOVEA_ORIG_CTXT = 12,
267 LLOG_LOVEA_REPL_CTXT = 13,
271 #define FILTER_SUBDIR_COUNT 32 /* set to zero for no subdirs */
273 #define FILTER_GROUP_LLOG 1
274 #define FILTER_GROUP_ECHO 2
275 #define FILTER_GROUP_MDS0 3
277 struct filter_subdirs {
278 cfs_dentry_t *dentry[FILTER_SUBDIR_COUNT];
288 struct llog_ctxt *llog_ctxt[LLOG_MAX_CTXTS];
291 struct filter_group_llog {
292 struct list_head list;
294 struct obd_llogs *llogs;
295 struct obd_export *exp;
299 /* NB this field MUST be first */
300 struct obd_device_target fo_obt;
301 const char *fo_fstype;
302 struct vfsmount *fo_vfsmnt;
305 cfs_dentry_t *fo_dentry_O;
306 cfs_dentry_t **fo_dentry_O_groups;
307 struct filter_subdirs *fo_dentry_O_sub;
308 struct semaphore fo_init_lock; /* group initialization lock */
309 int fo_committed_group;
312 spinlock_t fo_objidlock; /* protect fo_lastobjid */
313 spinlock_t fo_translock; /* protect fsd_last_transno */
314 struct file *fo_rcvd_filp;
315 struct file *fo_health_check_filp;
316 struct lr_server_data *fo_fsd;
317 unsigned long *fo_last_rcvd_slots;
318 __u64 fo_mount_count;
320 unsigned long fo_destroys_in_progress;
321 struct semaphore fo_create_locks[FILTER_SUBDIR_COUNT];
323 struct list_head fo_export_list;
326 obd_size fo_tot_dirty; /* protected by obd_osfs_lock */
327 obd_size fo_tot_granted; /* all values in bytes */
328 obd_size fo_tot_pending;
330 obd_size fo_readcache_max_filesize;
332 struct obd_import *fo_mdc_imp;
333 struct obd_uuid fo_mdc_uuid;
334 struct lustre_handle fo_mdc_conn;
335 struct file **fo_last_objid_files;
336 __u64 *fo_last_objids; /* last created objid for groups,
337 * protected by fo_objidlock */
339 struct semaphore fo_alloc_lock;
341 atomic_t fo_r_in_flight;
342 atomic_t fo_w_in_flight;
345 * per-filter pool of kiobuf's allocated by filter_common_setup() and
346 * torn down by filter_cleanup(). Contains OST_NUM_THREADS elements of
347 * which ->fo_iobuf_count were allocated.
349 * This pool contains kiobuf used by
350 * filter_{prep,commit}rw_{read,write}() and is shared by all OST
353 * Locking: none, each OST thread uses only one element, determined by
354 * its "ordinal number", ->t_id.
356 struct filter_iobuf **fo_iobuf_pool;
359 struct list_head fo_llog_list;
360 spinlock_t fo_llog_list_lock;
362 struct brw_stats fo_filter_stats;
363 struct lustre_quota_ctxt fo_quota_ctxt;
364 spinlock_t fo_quotacheck_lock;
365 atomic_t fo_quotachecking;
367 int fo_fmd_max_num; /* per exp filter_mod_data */
368 int fo_fmd_max_age; /* jiffies to fmd expiry */
370 /* capability related */
371 unsigned int fo_fl_oss_capa;
372 struct list_head fo_capa_keys;
373 struct hlist_head *fo_capa_hash;
376 #define OSC_MAX_RIF_DEFAULT 8
377 #define OSC_MAX_RIF_MAX 256
378 #define OSC_MAX_DIRTY_DEFAULT (OSC_MAX_RIF_DEFAULT * 4)
379 #define OSC_MAX_DIRTY_MB_MAX 2048 /* arbitrary, but < MAX_LONG bytes */
380 #define OSC_DEFAULT_RESENDS 10
382 #define MDC_MAX_RIF_DEFAULT 8
383 #define MDC_MAX_RIF_MAX 512
388 struct semaphore cl_sem;
389 struct obd_uuid cl_target_uuid;
390 struct obd_import *cl_import; /* ptlrpc connection state */
392 /* max_mds_easize is purely a performance thing so we don't have to
393 * call obd_size_diskmd() all the time. */
394 int cl_default_mds_easize;
395 int cl_max_mds_easize;
396 int cl_max_mds_cookiesize;
398 /* security configuration */
399 struct sec_flavor_config cl_sec_conf;
401 //struct llog_canceld_ctxt *cl_llcd; /* it's included by obd_llog_ctxt */
402 void *cl_llcd_offset;
404 /* the grant values are protected by loi_list_lock below */
405 long cl_dirty; /* all _dirty_ in bytes */
406 long cl_dirty_max; /* allowed w/o rpc */
407 long cl_avail_grant; /* bytes of credit for ost */
408 long cl_lost_grant; /* lost credits (trunc) */
409 struct list_head cl_cache_waiters; /* waiting for cache/grant */
411 /* keep track of objects that have lois that contain pages which
412 * have been queued for async brw. this lock also protects the
413 * lists of osc_client_pages that hang off of the loi */
415 * ->cl_loi_list_lock protects consistency of
416 * ->cl_loi_{ready,read,write}_list. ->ap_make_ready() and
417 * ->ap_completion() call-backs are executed under this lock. As we
418 * cannot guarantee that these call-backs never block on all platforms
419 * (as a matter of fact they do block on Mac OS X), type of
420 * ->cl_loi_list_lock is platform dependent: it's a spin-lock on Linux
421 * and blocking mutex on Mac OS X. (Alternative is to make this lock
422 * blocking everywhere, but we don't want to slow down fast-path of
423 * our main platform.)
425 * Exact type of ->cl_loi_list_lock is defined in arch/obd.h together
426 * with client_obd_list_{un,}lock() and
427 * client_obd_list_lock_{init,done}() functions.
429 client_obd_lock_t cl_loi_list_lock;
430 struct list_head cl_loi_ready_list;
431 struct list_head cl_loi_write_list;
432 struct list_head cl_loi_read_list;
435 /* just a sum of the loi/lop pending numbers to be exported by /proc */
436 int cl_pending_w_pages;
437 int cl_pending_r_pages;
438 int cl_max_pages_per_rpc;
439 int cl_max_rpcs_in_flight;
440 struct obd_histogram cl_read_rpc_hist;
441 struct obd_histogram cl_write_rpc_hist;
442 struct obd_histogram cl_read_page_hist;
443 struct obd_histogram cl_write_page_hist;
444 struct obd_histogram cl_read_offset_hist;
445 struct obd_histogram cl_write_offset_hist;
447 struct mdc_rpc_lock *cl_rpc_lock;
448 struct mdc_rpc_lock *cl_setattr_lock;
449 struct mdc_rpc_lock *cl_close_lock;
450 struct osc_creator cl_oscc;
453 struct semaphore cl_mgc_sem;
454 struct vfsmount *cl_mgc_vfsmnt;
455 struct dentry *cl_mgc_configs_dir;
456 atomic_t cl_mgc_refcount;
457 struct obd_export *cl_mgc_mgsexp;
460 unsigned int cl_checksum:1; /* debug checksums */
462 /* also protected by the poorly named _loi_list_lock lock above */
463 struct osc_async_rc cl_ar;
465 /* used by quotacheck */
466 int cl_qchk_stat; /* quotacheck stat of the peer */
468 /* sequence manager */
469 struct lu_client_seq *cl_seq;
471 atomic_t cl_resends; /* resend count */
473 #define obd2cli_tgt(obd) ((char *)(obd)->u.cli.cl_target_uuid.uuid)
475 #define CL_NOT_QUOTACHECKED 1 /* client->cl_qchk_stat init value */
478 struct ptlrpc_service *mgs_service;
479 struct vfsmount *mgs_vfsmnt;
480 struct super_block *mgs_sb;
481 struct dentry *mgs_configs_dir;
482 struct dentry *mgs_fid_de;
483 struct list_head mgs_fs_db_list;
484 struct semaphore mgs_sem;
485 cfs_proc_dir_entry_t *mgs_proc_live;
488 /* hah, upper limit 64 should be enough */
489 #define N_NOSQUASH_NIDS 64
490 struct rootsquash_info {
493 int rsi_n_nosquash_nids;
494 lnet_nid_t rsi_nosquash_nids[N_NOSQUASH_NIDS];
498 /* NB this field MUST be first */
499 struct obd_device_target mds_obt;
500 struct ptlrpc_service *mds_service;
501 struct ptlrpc_service *mds_setattr_service;
502 struct ptlrpc_service *mds_readpage_service;
503 struct vfsmount *mds_vfsmnt;
504 cfs_dentry_t *mds_fid_de;
506 int mds_max_cookiesize;
507 struct file *mds_rcvd_filp;
508 spinlock_t mds_transno_lock;
509 __u64 mds_last_transno;
510 __u64 mds_mount_count;
512 unsigned long mds_atime_diff;
513 struct semaphore mds_epoch_sem;
514 struct ll_fid mds_rootfid;
515 struct lr_server_data *mds_server_data;
516 cfs_dentry_t *mds_pending_dir;
517 cfs_dentry_t *mds_logs_dir;
518 cfs_dentry_t *mds_objects_dir;
519 struct llog_handle *mds_cfg_llh;
520 // struct llog_handle *mds_catalog;
521 struct obd_device *mds_osc_obd; /* XXX lov_obd */
522 struct obd_uuid mds_lov_uuid;
524 struct obd_export *mds_osc_exp; /* XXX lov_exp */
525 struct lov_desc mds_lov_desc;
527 obd_id *mds_lov_objids;
528 int mds_lov_objids_size;
529 __u32 mds_lov_objids_in_file;
530 int mds_lov_nextid_set;
531 struct file *mds_lov_objid_filp;
532 struct file *mds_health_check_filp;
533 unsigned long *mds_client_bitmap;
534 // struct upcall_cache *mds_group_hash;
536 struct lustre_quota_info mds_quota_info;
537 struct semaphore mds_qonoff_sem;
538 struct semaphore mds_health_sem;
539 unsigned long mds_lov_objids_valid:1,
540 mds_lov_objids_dirty:1,
543 mds_evict_ost_nids:1,
547 struct upcall_cache *mds_identity_cache;
548 struct upcall_cache *mds_rmtacl_cache;
551 struct rootsquash_info *mds_rootsquash_info;
553 /* for capability keys update */
554 struct lustre_capa_key *mds_capa_keys;
561 struct lustre_handle eo_nl_lock;
566 struct ptlrpc_service *ost_service;
567 struct ptlrpc_service *ost_create_service;
568 struct ptlrpc_service *ost_io_service;
569 struct semaphore ost_health_sem;
572 struct echo_client_obd {
573 struct obd_export *ec_exp; /* the local connection to osc/lov */
575 struct list_head ec_objects;
581 struct obd_uuid lqo_uuid; /* ptlrpc's c_remote_uuid */
582 struct list_head lqo_oss_list; /* link to lov_qos */
583 __u32 lqo_ost_count; /* number of osts on this oss */
584 __u64 lqo_bavail; /* total bytes avail on OSS */
585 __u64 lqo_penalty; /* current penalty */
586 __u64 lqo_penalty_per_obj; /* penalty decrease every obj*/
590 struct lov_qos_oss *ltq_oss; /* oss info */
591 __u64 ltq_penalty; /* current penalty */
592 __u64 ltq_penalty_per_obj; /* penalty decrease every obj*/
593 __u64 ltq_weight; /* net weighting */
594 unsigned int ltq_usable:1; /* usable for striping */
598 struct list_head lq_oss_list; /* list of OSSs that targets use */
599 struct rw_semaphore lq_rw_sem;
600 __u32 lq_active_oss_count;
601 __u32 *lq_rr_array; /* round-robin optimized list */
602 unsigned int lq_rr_size; /* rr array size */
603 unsigned int lq_prio_free; /* priority for free space */
604 unsigned int lq_dirty:1, /* recalc qos data */
605 lq_dirty_rr:1, /* recalc round-robin list */
606 lq_same_space:1,/* the ost's all have approx.
607 the same space avail */
608 lq_reset:1; /* zero current penalties */
611 struct lov_tgt_desc {
612 struct obd_uuid ltd_uuid;
613 struct obd_export *ltd_exp;
614 struct ltd_qos ltd_qos; /* qos info per target */
616 __u32 ltd_index; /* index in lov_obd->tgts */
617 unsigned int ltd_active:1,/* is this target up for requests */
618 ltd_activate:1,/* should this target be activated */
619 ltd_reap:1; /* should this target be deleted */
623 struct lov_desc desc;
624 struct lov_tgt_desc **lov_tgts;
625 struct semaphore lov_lock;
626 struct obd_connect_data lov_ocd;
627 struct lov_qos lov_qos; /* qos info per lov */
628 atomic_t lov_refcount;
629 __u32 lov_tgt_count; /* how many OBD's */
630 __u32 lov_active_tgt_count; /* how many active */
631 __u32 lov_death_row;/* tgts scheduled to be deleted */
632 __u32 lov_tgt_size; /* size of tgts array */
633 __u32 lov_start_idx; /* start index of new inode */
634 __u32 lov_offset_idx; /* aliasing for start_idx */
635 int lov_start_count;/* reseed counter */
639 struct lmv_tgt_desc {
640 struct obd_uuid ltd_uuid;
641 struct obd_export *ltd_exp;
642 int ltd_active; /* is this target up for requests */
644 struct semaphore ltd_fid_sem;
649 struct lu_client_fld lmv_fld;
651 struct lmv_desc desc;
652 struct obd_uuid cluuid;
653 struct obd_export *exp;
660 struct semaphore init_sem;
662 struct lmv_tgt_desc *tgts;
665 struct obd_connect_data *datas;
668 struct obd_connect_data conn_data;
671 struct niobuf_local {
676 cfs_dentry_t *dentry;
681 #define LUSTRE_FLD_NAME "fld"
682 #define LUSTRE_SEQ_NAME "seq"
684 #define LUSTRE_CMM_NAME "cmm"
685 #define LUSTRE_MDD_NAME "mdd"
686 #define LUSTRE_OSD_NAME "osd"
687 #define LUSTRE_LMV_NAME "lmv"
688 #define LUSTRE_CMM_MDC_NAME "cmm-mdc"
690 /* obd device type names */
691 /* FIXME all the references to LUSTRE_MDS_NAME should be swapped with LUSTRE_MDT_NAME */
692 #define LUSTRE_MDS_NAME "mds"
693 #define LUSTRE_MDT_NAME "mdt"
694 #define LUSTRE_MDC_NAME "mdc"
695 #define LUSTRE_OSS_NAME "ost" /* FIXME change name to oss */
696 #define LUSTRE_OST_NAME "obdfilter" /* FIXME change name to ost */
697 #define LUSTRE_OSC_NAME "osc"
698 #define LUSTRE_LOV_NAME "lov"
699 #define LUSTRE_MGS_NAME "mgs"
700 #define LUSTRE_MGC_NAME "mgc"
702 #define LUSTRE_CACHEOBD_NAME "cobd"
703 #define LUSTRE_ECHO_NAME "obdecho"
704 #define LUSTRE_ECHO_CLIENT_NAME "echo_client"
706 /* Constant obd names (post-rename) */
707 #define LUSTRE_MDS_OBDNAME "MDS"
708 #define LUSTRE_OSS_OBDNAME "OSS"
709 #define LUSTRE_MGS_OBDNAME "MGS"
710 #define LUSTRE_MGC_OBDNAME "MGC"
712 /* Don't conflict with on-wire flags OBD_BRW_WRITE, etc */
713 #define N_LOCAL_TEMP_PAGE 0x10000000
715 struct obd_trans_info {
719 /* Only used on the server side for tracking acks. */
720 struct oti_req_ack_lock {
721 struct lustre_handle lock;
725 struct llog_cookie oti_onecookie;
726 struct llog_cookie *oti_logcookies;
729 /* initial thread handling transaction */
734 static inline void oti_init(struct obd_trans_info *oti,
735 struct ptlrpc_request *req)
739 memset(oti, 0, sizeof *oti);
744 oti->oti_xid = req->rq_xid;
746 if (req->rq_repmsg && req->rq_reqmsg != 0)
747 oti->oti_transno = lustre_msg_get_transno(req->rq_repmsg);
748 oti->oti_thread_id = req->rq_svc_thread ? req->rq_svc_thread->t_id : -1;
749 oti->oti_conn_cnt = lustre_msg_get_conn_cnt(req->rq_reqmsg);
752 static inline void oti_alloc_cookies(struct obd_trans_info *oti,int num_cookies)
757 if (num_cookies == 1)
758 oti->oti_logcookies = &oti->oti_onecookie;
760 OBD_ALLOC(oti->oti_logcookies,
761 num_cookies * sizeof(oti->oti_onecookie));
763 oti->oti_numcookies = num_cookies;
766 static inline void oti_free_cookies(struct obd_trans_info *oti)
768 if (!oti || !oti->oti_logcookies)
771 if (oti->oti_logcookies == &oti->oti_onecookie)
772 LASSERT(oti->oti_numcookies == 1);
774 OBD_FREE(oti->oti_logcookies,
775 oti->oti_numcookies * sizeof(oti->oti_onecookie));
776 oti->oti_logcookies = NULL;
777 oti->oti_numcookies = 0;
781 * Events signalled through obd_notify() upcall-chain.
783 enum obd_notify_event {
784 /* Device activated */
786 /* Device deactivated */
788 /* Device disconnected */
790 /* Connect data for import were changed */
793 OBD_NOTIFY_SYNC_NONBLOCK,
795 /* Configuration event */
799 /* bit-mask flags for config events */
801 CONFIG_LOG = 0x1, /* finished processing config log */
802 CONFIG_SYNC = 0x2 /* mdt synced 1 ost */
806 * Data structure used to pass obd_notify()-event to non-obd listeners (llite
807 * and liblustre being main examples).
809 struct obd_notify_upcall {
810 int (*onu_upcall)(struct obd_device *host, struct obd_device *watched,
811 enum obd_notify_event ev, void *owner);
812 /* Opaque datum supplied by upper layer listener */
816 struct target_recovery_data {
817 svc_handler_t trd_recovery_handler;
818 pid_t trd_processing_task;
819 struct completion trd_starting;
820 struct completion trd_finishing;
823 /* corresponds to one of the obd's */
824 #define MAX_OBD_NAME 128
825 #define OBD_DEVICE_MAGIC 0XAB5CD6EF
827 struct obd_type *obd_type;
830 /* common and UUID name of this device */
831 char obd_name[MAX_OBD_NAME];
832 struct obd_uuid obd_uuid;
834 struct lu_device *obd_lu_dev;
837 unsigned int obd_attached:1, /* finished attach */
838 obd_set_up:1, /* finished setup */
839 obd_recovering:1, /* there are recoverable clients */
840 obd_abort_recovery:1,/* somebody ioctl'ed us to abort */
841 obd_replayable:1, /* recovery is enabled; inform clients */
842 obd_no_transno:1, /* no committed-transno notification */
843 obd_no_recov:1, /* fail instead of retry messages */
844 obd_req_replaying:1, /* replaying requests */
845 obd_stopping:1, /* started cleanup */
846 obd_starting:1, /* started setup */
847 obd_force:1, /* cleanup with > 0 obd refcount */
848 obd_fail:1, /* cleanup with failover */
849 obd_async_recov:1, /* allow asyncronous orphan cleanup */
850 obd_no_conn:1, /* deny new connections */
851 obd_inactive:1; /* device active/inactive
852 * (for /proc/status only!!) */
853 /* uuid-export hash body */
854 struct lustre_class_hash_body *obd_uuid_hash_body;
855 /* nid-export hash body */
856 struct lustre_class_hash_body *obd_nid_hash_body;
857 atomic_t obd_refcount;
858 cfs_waitq_t obd_refcount_waitq;
859 struct list_head obd_exports;
861 struct ldlm_namespace *obd_namespace;
862 struct ptlrpc_client obd_ldlm_client; /* XXX OST/MDS only */
863 /* a spinlock is OK for what we do now, may need a semaphore later */
864 spinlock_t obd_dev_lock;
865 struct semaphore obd_dev_sem;
866 __u64 obd_last_committed;
867 struct fsfilt_operations *obd_fsops;
868 spinlock_t obd_osfs_lock;
869 struct obd_statfs obd_osfs; /* locked by obd_osfs_lock */
871 struct lvfs_run_ctxt obd_lvfs_ctxt;
872 struct llog_ctxt *obd_llog_ctxt[LLOG_MAX_CTXTS];
873 struct obd_device *obd_observer;
874 struct obd_notify_upcall obd_upcall;
875 struct obd_export *obd_self_export;
876 /* list of exports in LRU order, for ping evictor, with obd_dev_lock */
877 struct list_head obd_exports_timed;
878 time_t obd_eviction_timer; /* for ping evictor */
880 /* XXX encapsulate all this recovery data into one struct */
881 svc_handler_t obd_recovery_handler;
882 pid_t obd_processing_task;
884 int obd_max_recoverable_clients;
885 int obd_connected_clients;
886 int obd_recoverable_clients;
887 spinlock_t obd_processing_task_lock; /* BH lock (timer) */
888 __u64 obd_next_recovery_transno;
889 int obd_replayed_requests;
890 int obd_requests_queued_for_recovery;
891 cfs_waitq_t obd_next_transno_waitq;
892 struct list_head obd_uncommitted_replies;
893 spinlock_t obd_uncommitted_replies_lock;
894 cfs_timer_t obd_recovery_timer;
895 time_t obd_recovery_start;
896 time_t obd_recovery_end;
898 /* new recovery stuff from CMD2 */
899 struct target_recovery_data obd_recovery_data;
900 int obd_replayed_locks;
901 atomic_t obd_req_replay_clients;
902 atomic_t obd_lock_replay_clients;
903 struct list_head obd_req_replay_queue;
904 struct list_head obd_lock_replay_queue;
905 struct list_head obd_final_req_queue;
906 int obd_recovery_stage;
909 struct obd_device_target obt;
910 struct filter_obd filter;
912 struct client_obd cli;
914 struct echo_client_obd echo_client;
915 struct echo_obd echo;
920 /* Fields used by LProcFS */
921 unsigned int obd_cntr_base;
922 struct lprocfs_stats *obd_stats;
924 unsigned int md_cntr_base;
925 struct lprocfs_stats *md_stats;
927 cfs_proc_dir_entry_t *obd_proc_entry;
928 cfs_proc_dir_entry_t *obd_proc_exports;
929 cfs_proc_dir_entry_t *obd_svc_procroot;
930 struct lprocfs_stats *obd_svc_stats;
931 struct semaphore obd_proc_exp_sem;
932 atomic_t obd_evict_inprogress;
933 cfs_waitq_t obd_evict_inprogress_waitq;
936 #define OBD_OPT_FORCE 0x0001
937 #define OBD_OPT_FAILOVER 0x0002
939 #define OBD_LLOG_FL_SENDNOW 0x0001
941 enum obd_cleanup_stage {
942 /* Special case hack for MDS LOVs */
944 /* Precleanup stage 1, we must make sure all exports (other than the
945 self-export) get destroyed. */
947 /* Precleanup stage 2, do other type-specific cleanup requiring the
949 OBD_CLEANUP_SELF_EXP,
950 /* FIXME we should eliminate the "precleanup" function and make them stages
951 of the "cleanup" function. */
955 /* get/set_info keys */
956 #define KEY_READ_ONLY "read-only"
957 #define KEY_MDS_CONN "mds_conn"
958 #define KEY_NEXT_ID "next_id"
959 #define KEY_LOVDESC "lovdesc"
960 #define KEY_INIT_RECOV "initial_recov"
961 #define KEY_INIT_RECOV_BACKUP "init_recov_bk"
962 #define KEY_FLUSH_CTX "flush_ctx"
963 #define KEY_CAPA_KEY "capa_key"
964 #define KEY_CONN_DATA "conn_data"
965 #define KEY_MAX_EASIZE "max_easize"
966 #define KEY_REVIMP_UPD "revimp_update"
971 struct lu_fid op_fid1; /* operation fid1 (usualy parent) */
972 struct lu_fid op_fid2; /* operation fid2 (usualy child) */
973 struct lu_fid op_fid3; /* 2 extra fids to find conflicting */
974 struct lu_fid op_fid4; /* to the operation locks. */
975 mdsno_t op_mds; /* what mds server open will go to */
976 struct lustre_handle op_handle;
981 struct lmv_stripe_md *op_mea1;
982 struct lmv_stripe_md *op_mea2;
983 __u32 op_suppgids[2];
989 /* iattr fields and blocks. */
990 struct iattr op_attr;
992 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,14)
993 unsigned int op_attr_flags;
996 loff_t op_attr_blocks;
998 /* Size-on-MDS epoch and flags. */
1003 struct obd_capa *op_capa1;
1004 struct obd_capa *op_capa2;
1006 /* Various operation flags. */
1009 /* Operation type */
1014 struct module *o_owner;
1015 int (*o_iocontrol)(unsigned int cmd, struct obd_export *exp, int len,
1016 void *karg, void *uarg);
1017 int (*o_get_info)(struct obd_export *, __u32 keylen, void *key,
1018 __u32 *vallen, void *val);
1019 int (*o_set_info_async)(struct obd_export *, __u32 keylen, void *key,
1020 __u32 vallen, void *val,
1021 struct ptlrpc_request_set *set);
1022 int (*o_attach)(struct obd_device *dev, obd_count len, void *data);
1023 int (*o_detach)(struct obd_device *dev);
1024 int (*o_setup) (struct obd_device *dev, struct lustre_cfg *cfg);
1025 int (*o_precleanup)(struct obd_device *dev,
1026 enum obd_cleanup_stage cleanup_stage);
1027 int (*o_cleanup)(struct obd_device *dev);
1028 int (*o_process_config)(struct obd_device *dev, obd_count len,
1030 int (*o_postrecov)(struct obd_device *dev);
1031 int (*o_add_conn)(struct obd_import *imp, struct obd_uuid *uuid,
1033 int (*o_del_conn)(struct obd_import *imp, struct obd_uuid *uuid);
1034 /* connect to the target device with given connection
1035 * data. @ocd->ocd_connect_flags is modified to reflect flags actually
1036 * granted by the target, which are guaranteed to be a subset of flags
1037 * asked for. If @ocd == NULL, use default parameters. */
1038 int (*o_connect)(const struct lu_env *env,
1039 struct lustre_handle *conn, struct obd_device *src,
1040 struct obd_uuid *cluuid, struct obd_connect_data *ocd);
1041 int (*o_reconnect)(struct obd_export *exp, struct obd_device *src,
1042 struct obd_uuid *cluuid,
1043 struct obd_connect_data *ocd);
1044 int (*o_disconnect)(struct obd_export *exp);
1046 /* Initialize/finalize fids infrastructure. */
1047 int (*o_fid_init)(struct obd_export *exp);
1048 int (*o_fid_fini)(struct obd_export *exp);
1050 /* Allocate new fid according to passed @hint. */
1051 int (*o_fid_alloc)(struct obd_export *exp, struct lu_fid *fid,
1052 struct md_op_data *op_data);
1055 * Object with @fid is getting deleted, we may want to do something
1058 int (*o_fid_delete)(struct obd_export *exp, const struct lu_fid *fid);
1060 int (*o_statfs)(struct obd_device *obd, struct obd_statfs *osfs,
1062 int (*o_statfs_async)(struct obd_device *obd, struct obd_info *oinfo,
1063 __u64 max_age, struct ptlrpc_request_set *set);
1064 int (*o_packmd)(struct obd_export *exp, struct lov_mds_md **disk_tgt,
1065 struct lov_stripe_md *mem_src);
1066 int (*o_unpackmd)(struct obd_export *exp,struct lov_stripe_md **mem_tgt,
1067 struct lov_mds_md *disk_src, int disk_len);
1068 int (*o_checkmd)(struct obd_export *exp, struct obd_export *md_exp,
1069 struct lov_stripe_md *mem_tgt);
1070 int (*o_preallocate)(struct lustre_handle *, obd_count *req,
1072 /* FIXME: add fid capability support for create & destroy! */
1073 int (*o_precreate)(struct obd_export *exp, int need_create);
1074 int (*o_create)(struct obd_export *exp, struct obdo *oa,
1075 struct lov_stripe_md **ea, struct obd_trans_info *oti);
1076 int (*o_destroy)(struct obd_export *exp, struct obdo *oa,
1077 struct lov_stripe_md *ea, struct obd_trans_info *oti,
1078 struct obd_export *md_exp);
1079 int (*o_setattr)(struct obd_export *exp, struct obd_info *oinfo,
1080 struct obd_trans_info *oti);
1081 int (*o_setattr_async)(struct obd_export *exp, struct obd_info *oinfo,
1082 struct obd_trans_info *oti,
1083 struct ptlrpc_request_set *rqset);
1084 int (*o_getattr)(struct obd_export *exp, struct obd_info *oinfo);
1085 int (*o_getattr_async)(struct obd_export *exp, struct obd_info *oinfo,
1086 struct ptlrpc_request_set *set);
1087 int (*o_brw)(int rw, struct obd_export *exp, struct obd_info *oinfo,
1088 obd_count oa_bufs, struct brw_page *pgarr,
1089 struct obd_trans_info *oti);
1090 int (*o_brw_async)(int rw, struct obd_export *exp,
1091 struct obd_info *oinfo, obd_count oa_bufs,
1092 struct brw_page *pgarr, struct obd_trans_info *oti,
1093 struct ptlrpc_request_set *);
1094 int (*o_prep_async_page)(struct obd_export *exp,
1095 struct lov_stripe_md *lsm,
1096 struct lov_oinfo *loi,
1097 cfs_page_t *page, obd_off offset,
1098 struct obd_async_page_ops *ops, void *data,
1100 int (*o_queue_async_io)(struct obd_export *exp,
1101 struct lov_stripe_md *lsm,
1102 struct lov_oinfo *loi, void *cookie,
1103 int cmd, obd_off off, int count,
1104 obd_flag brw_flags, obd_flag async_flags);
1105 int (*o_queue_group_io)(struct obd_export *exp,
1106 struct lov_stripe_md *lsm,
1107 struct lov_oinfo *loi,
1108 struct obd_io_group *oig,
1109 void *cookie, int cmd, obd_off off, int count,
1110 obd_flag brw_flags, obd_flag async_flags);
1111 int (*o_trigger_group_io)(struct obd_export *exp,
1112 struct lov_stripe_md *lsm,
1113 struct lov_oinfo *loi,
1114 struct obd_io_group *oig);
1115 int (*o_set_async_flags)(struct obd_export *exp,
1116 struct lov_stripe_md *lsm,
1117 struct lov_oinfo *loi, void *cookie,
1118 obd_flag async_flags);
1119 int (*o_teardown_async_page)(struct obd_export *exp,
1120 struct lov_stripe_md *lsm,
1121 struct lov_oinfo *loi, void *cookie);
1122 int (*o_merge_lvb)(struct obd_export *exp, struct lov_stripe_md *lsm,
1123 struct ost_lvb *lvb, int kms_only);
1124 int (*o_adjust_kms)(struct obd_export *exp, struct lov_stripe_md *lsm,
1125 obd_off size, int shrink);
1126 int (*o_punch)(struct obd_export *exp, struct obd_info *oinfo,
1127 struct obd_trans_info *oti,
1128 struct ptlrpc_request_set *rqset);
1129 int (*o_sync)(struct obd_export *exp, struct obdo *oa,
1130 struct lov_stripe_md *ea, obd_size start, obd_size end,
1132 int (*o_migrate)(struct lustre_handle *conn, struct lov_stripe_md *dst,
1133 struct lov_stripe_md *src, obd_size start,
1134 obd_size end, struct obd_trans_info *oti);
1135 int (*o_copy)(struct lustre_handle *dstconn, struct lov_stripe_md *dst,
1136 struct lustre_handle *srconn, struct lov_stripe_md *src,
1137 obd_size start, obd_size end, struct obd_trans_info *);
1138 int (*o_iterate)(struct lustre_handle *conn,
1139 int (*)(obd_id, obd_gr, void *),
1140 obd_id *startid, obd_gr group, void *data);
1141 int (*o_preprw)(int cmd, struct obd_export *exp, struct obdo *oa,
1142 int objcount, struct obd_ioobj *obj,
1143 int niocount, struct niobuf_remote *remote,
1144 struct niobuf_local *local, struct obd_trans_info *oti,
1145 struct lustre_capa *capa);
1146 int (*o_commitrw)(int cmd, struct obd_export *exp, struct obdo *oa,
1147 int objcount, struct obd_ioobj *obj,
1148 int niocount, struct niobuf_local *local,
1149 struct obd_trans_info *oti, int rc);
1150 int (*o_enqueue)(struct obd_export *, struct obd_info *oinfo,
1151 struct ldlm_enqueue_info *einfo,
1152 struct ptlrpc_request_set *rqset);
1153 int (*o_match)(struct obd_export *, struct lov_stripe_md *, __u32 type,
1154 ldlm_policy_data_t *, __u32 mode, int *flags, void *data,
1155 struct lustre_handle *lockh);
1156 int (*o_change_cbdata)(struct obd_export *, struct lov_stripe_md *,
1157 ldlm_iterator_t it, void *data);
1158 int (*o_cancel)(struct obd_export *, struct lov_stripe_md *md,
1159 __u32 mode, struct lustre_handle *);
1160 int (*o_cancel_unused)(struct obd_export *, struct lov_stripe_md *,
1161 int flags, void *opaque);
1162 int (*o_join_lru)(struct obd_export *, struct lov_stripe_md *,
1164 int (*o_init_export)(struct obd_export *exp);
1165 int (*o_destroy_export)(struct obd_export *exp);
1166 int (*o_extent_calc)(struct obd_export *, struct lov_stripe_md *,
1167 int cmd, obd_off *);
1169 /* llog related obd_methods */
1170 int (*o_llog_init)(struct obd_device *obd, struct obd_llogs *llog,
1171 struct obd_device *disk_obd, int count,
1172 struct llog_catid *logid, struct obd_uuid *uuid);
1173 int (*o_llog_finish)(struct obd_device *obd, int count);
1174 int (*o_llog_connect)(struct obd_export *, struct llogd_conn_body *);
1176 /* metadata-only methods */
1177 int (*o_pin)(struct obd_export *, const struct lu_fid *fid,
1178 struct obd_capa *, struct obd_client_handle *, int flag);
1179 int (*o_unpin)(struct obd_export *, struct obd_client_handle *, int);
1181 int (*o_import_event)(struct obd_device *, struct obd_import *,
1182 enum obd_import_event);
1184 int (*o_notify)(struct obd_device *obd, struct obd_device *watched,
1185 enum obd_notify_event ev, void *data);
1187 int (*o_health_check)(struct obd_device *);
1190 int (*o_quotacheck)(struct obd_export *, struct obd_quotactl *);
1191 int (*o_quotactl)(struct obd_export *, struct obd_quotactl *);
1193 int (*o_ping)(struct obd_export *exp);
1195 * NOTE: If adding ops, add another LPROCFS_OBD_OP_INIT() line
1196 * to lprocfs_alloc_obd_stats() in obdclass/lprocfs_status.c.
1197 * Also, add a wrapper function in include/linux/obd_class.h. */
1200 /* TODO: lmv_stripe_md should contain mds capabilities for all slave fids */
1201 struct lmv_stripe_md {
1206 struct lu_fid mea_ids[0];
1210 LUSTRE_OPC_MKDIR = (1 << 0),
1211 LUSTRE_OPC_SYMLINK = (1 << 1),
1212 LUSTRE_OPC_MKNOD = (1 << 2),
1213 LUSTRE_OPC_CREATE = (1 << 3),
1214 LUSTRE_OPC_ANY = (1 << 4)
1217 /* lmv structures */
1218 #define MEA_MAGIC_LAST_CHAR 0xb2221ca1
1219 #define MEA_MAGIC_ALL_CHARS 0xb222a11c
1220 #define MEA_MAGIC_HASH_SEGMENT 0xb222a11b
1222 #define MAX_HASH_SIZE 0x7fffffffUL
1223 #define MAX_HASH_HIGHEST_BIT 0x10000000
1226 struct mdt_body *body;
1227 struct lov_stripe_md *lsm;
1228 struct lmv_stripe_md *mea;
1229 #ifdef CONFIG_FS_POSIX_ACL
1230 struct posix_acl *posix_acl;
1232 struct mdt_remote_perm *remote_perm;
1233 struct obd_capa *mds_capa;
1234 struct obd_capa *oss_capa;
1237 struct md_open_data {
1238 struct obd_client_handle *mod_och;
1239 struct list_head mod_replay_list;
1243 int (*m_getstatus)(struct obd_export *, struct lu_fid *,
1244 struct obd_capa **);
1245 int (*m_change_cbdata)(struct obd_export *, const struct lu_fid *,
1246 ldlm_iterator_t, void *);
1247 int (*m_close)(struct obd_export *, struct md_op_data *,
1248 struct md_open_data *, struct ptlrpc_request **);
1249 int (*m_create)(struct obd_export *, struct md_op_data *,
1250 const void *, int, int, __u32, __u32, __u32,
1251 __u64, struct ptlrpc_request **);
1252 int (*m_done_writing)(struct obd_export *, struct md_op_data *,
1253 struct md_open_data *);
1254 int (*m_enqueue)(struct obd_export *, struct ldlm_enqueue_info *,
1255 struct lookup_intent *, struct md_op_data *,
1256 struct lustre_handle *, void *, int, int);
1257 int (*m_getattr)(struct obd_export *, const struct lu_fid *,
1258 struct obd_capa *, obd_valid, int,
1259 struct ptlrpc_request **);
1260 int (*m_getattr_name)(struct obd_export *, const struct lu_fid *,
1261 struct obd_capa *, const char *, int, obd_valid,
1262 int, struct ptlrpc_request **);
1263 int (*m_intent_lock)(struct obd_export *, struct md_op_data *,
1264 void *, int, struct lookup_intent *, int,
1265 struct ptlrpc_request **,
1266 ldlm_blocking_callback, int);
1267 int (*m_link)(struct obd_export *, struct md_op_data *,
1268 struct ptlrpc_request **);
1269 int (*m_rename)(struct obd_export *, struct md_op_data *,
1270 const char *, int, const char *, int,
1271 struct ptlrpc_request **);
1272 int (*m_is_subdir)(struct obd_export *, const struct lu_fid *,
1273 const struct lu_fid *,
1274 struct ptlrpc_request **);
1275 int (*m_setattr)(struct obd_export *, struct md_op_data *, void *,
1276 int , void *, int, struct ptlrpc_request **,
1277 struct md_open_data **mod);
1278 int (*m_sync)(struct obd_export *, const struct lu_fid *,
1279 struct obd_capa *, struct ptlrpc_request **);
1280 int (*m_readpage)(struct obd_export *, const struct lu_fid *,
1281 struct obd_capa *, __u64, struct page *,
1282 struct ptlrpc_request **);
1284 int (*m_unlink)(struct obd_export *, struct md_op_data *,
1285 struct ptlrpc_request **);
1287 int (*m_setxattr)(struct obd_export *, const struct lu_fid *,
1288 struct obd_capa *, obd_valid, const char *,
1289 const char *, int, int, int,
1290 struct ptlrpc_request **);
1292 int (*m_getxattr)(struct obd_export *, const struct lu_fid *,
1293 struct obd_capa *, obd_valid, const char *,
1294 const char *, int, int, int,
1295 struct ptlrpc_request **);
1297 int (*m_init_ea_size)(struct obd_export *, int, int, int);
1299 int (*m_get_lustre_md)(struct obd_export *, struct ptlrpc_request *,
1300 int, struct obd_export *, struct obd_export *,
1301 struct lustre_md *);
1303 int (*m_free_lustre_md)(struct obd_export *, struct lustre_md *);
1305 int (*m_set_open_replay_data)(struct obd_export *,
1306 struct obd_client_handle *,
1307 struct ptlrpc_request *);
1308 int (*m_clear_open_replay_data)(struct obd_export *,
1309 struct obd_client_handle *);
1310 int (*m_set_lock_data)(struct obd_export *, __u64 *, void *);
1312 ldlm_mode_t (*m_lock_match)(struct obd_export *, int,
1313 const struct lu_fid *, ldlm_type_t,
1314 ldlm_policy_data_t *, ldlm_mode_t,
1315 struct lustre_handle *);
1317 int (*m_cancel_unused)(struct obd_export *, const struct lu_fid *,
1318 ldlm_policy_data_t *, ldlm_mode_t, int flags,
1320 int (*m_renew_capa)(struct obd_export *, struct obd_capa *oc,
1321 renew_capa_cb_t cb);
1323 int (*m_get_remote_perm)(struct obd_export *, const struct lu_fid *,
1324 struct obd_capa *, struct ptlrpc_request **);
1327 * NOTE: If adding ops, add another LPROCFS_MD_OP_INIT() line to
1328 * lprocfs_alloc_md_stats() in obdclass/lprocfs_status.c. Also, add a
1329 * wrapper function in include/linux/obd_class.h.
1333 struct lsm_operations {
1334 void (*lsm_free)(struct lov_stripe_md *);
1335 int (*lsm_destroy)(struct lov_stripe_md *, struct obdo *oa,
1336 struct obd_export *md_exp);
1337 void (*lsm_stripe_by_index)(struct lov_stripe_md *, int *, obd_off *,
1339 void (*lsm_stripe_by_offset)(struct lov_stripe_md *, int *, obd_off *,
1341 obd_off (*lsm_stripe_offset_by_index)(struct lov_stripe_md *, int);
1342 obd_off (*lsm_stripe_offset_by_offset)(struct lov_stripe_md *, obd_off);
1343 int (*lsm_stripe_index_by_offset)(struct lov_stripe_md *, obd_off);
1344 int (*lsm_revalidate) (struct lov_stripe_md *, struct obd_device *obd);
1345 int (*lsm_lmm_verify) (struct lov_mds_md *lmm, int lmm_bytes,
1347 int (*lsm_unpackmd) (struct lov_obd *lov, struct lov_stripe_md *lsm,
1348 struct lov_mds_md *lmm);
1351 extern struct lsm_operations lsm_plain_ops;
1352 extern struct lsm_operations lsm_join_ops;
1353 static inline struct lsm_operations *lsm_op_find(int magic)
1357 return &lsm_plain_ops;
1358 case LOV_MAGIC_JOIN:
1359 return &lsm_join_ops;
1361 CERROR("Cannot recognize lsm_magic %d\n", magic);
1366 int lvfs_check_io_health(struct obd_device *obd, struct file *file);
1368 /* Requests for obd_extent_calc() */
1369 #define OBD_CALC_STRIPE_START 1
1370 #define OBD_CALC_STRIPE_END 2
1372 static inline void obd_transno_commit_cb(struct obd_device *obd, __u64 transno,
1376 CERROR("%s: transno "LPD64" commit error: %d\n",
1377 obd->obd_name, transno, error);
1380 CDEBUG(D_HA, "%s: transno "LPD64" committed\n",
1381 obd->obd_name, transno);
1382 if (transno > obd->obd_last_committed) {
1383 obd->obd_last_committed = transno;
1384 ptlrpc_commit_replies (obd);
1388 static inline void init_obd_quota_ops(quota_interface_t *interface,
1389 struct obd_ops *obd_ops)
1395 obd_ops->o_quotacheck = QUOTA_OP(interface, check);
1396 obd_ops->o_quotactl = QUOTA_OP(interface, ctl);
1399 static inline __u64 oinfo_mdsno(struct obd_info *oinfo)
1401 return oinfo->oi_oa->o_gr - FILTER_GROUP_MDS0;
1404 static inline struct lustre_capa *oinfo_capa(struct obd_info *oinfo)
1406 return oinfo->oi_capa;
1409 #endif /* __OBD_H */