1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
4 * Copyright (C) 2001, 2002 Cluster File Systems, Inc.
6 * This code is issued under the GNU General Public License.
7 * See the file COPYING in this distribution
13 #define IOC_OSC_TYPE 'h'
14 #define IOC_OSC_MIN_NR 20
15 #define IOC_OSC_SET_ACTIVE _IOWR(IOC_OSC_TYPE, 21, struct obd_device *)
16 #define IOC_OSC_CTL_RECOVERY _IOWR(IOC_OSC_TYPE, 22, struct obd_device *)
17 #define IOC_OSC_MAX_NR 50
19 #define IOC_MDC_TYPE 'i'
20 #define IOC_MDC_MIN_NR 20
21 #define IOC_MDC_LOOKUP _IOWR(IOC_MDC_TYPE, 20, struct obd_device *)
22 /* Moved to lustre_user.h
23 #define IOC_MDC_GETSTRIPE _IOWR(IOC_MDC_TYPE, 21, struct lov_mds_md *) */
24 #define IOC_MDC_MAX_NR 50
27 # include <linux/fs.h>
28 # include <linux/list.h>
29 # include <linux/sched.h> /* for struct task_struct, for current.h */
30 # include <asm/current.h> /* for smp_lock.h */
31 # include <linux/smp_lock.h>
32 # include <linux/proc_fs.h>
33 # include <linux/mount.h>
36 #define OBD_MDS_DEVICENAME "mds"
37 #define OBD_MDT_DEVICENAME "mdt"
38 #define OBD_MDC_DEVICENAME "mdc"
39 #define OBD_LMV_DEVICENAME "lmv"
40 #define OBD_LOV_DEVICENAME "lov"
41 #define OBD_OST_DEVICENAME "ost"
42 #define OBD_OSC_DEVICENAME "osc"
44 #define OBD_LDLM_DEVICENAME "ldlm"
45 #define OBD_CACHE_DEVICENAME "cobd"
46 #define OBD_CMOBD_DEVICENAME "cmobd"
47 #define OBD_CONF_DEVICENAME "confobd"
49 #define OBD_SANOSC_DEVICENAME "sanosc"
50 #define OBD_SANOST_DEVICENAME "sanost"
52 #define OBD_ECHO_DEVICENAME "obdecho"
53 #define OBD_ECHO_CLIENT_DEVICENAME "echo_client"
55 #define OBD_FILTER_DEVICENAME "obdfilter"
56 #define OBD_FILTER_SAN_DEVICENAME "sanobdfilter"
58 #define OBD_MGMTCLI_DEVICENAME "mgmt_cli"
59 #define OBD_PTLBD_SV_DEVICENAME "ptlbd_server"
60 #define OBD_PTLBD_CL_DEVICENAME "ptlbd_client"
62 #include <linux/lvfs.h>
63 #include <linux/lustre_lib.h>
64 #include <linux/lustre_idl.h>
65 #include <linux/lustre_export.h>
67 /* this is really local to the OSC */
68 struct loi_oap_pages {
69 struct list_head lop_pending;
71 struct list_head lop_urgent;
72 struct list_head lop_pending_group;
75 struct lov_oinfo { /* per-stripe data structure */
76 __u64 loi_id; /* object ID on the target OST */
77 __u64 loi_gr; /* object group on the target OST */
78 int loi_ost_idx; /* OST stripe index in lov_tgt_desc->tgts */
79 int loi_ost_gen; /* generation of this loi_ost_idx */
81 /* used by the osc to keep track of what objects to build into rpcs */
82 struct loi_oap_pages loi_read_lop;
83 struct loi_oap_pages loi_write_lop;
84 /* _cli_ is poorly named, it should be _ready_ */
85 struct list_head loi_cli_item;
86 struct list_head loi_write_item;
87 struct list_head loi_read_item;
89 unsigned loi_kms_valid:1;
90 __u64 loi_kms; /* known minimum size */
91 __u64 loi_rss; /* recently seen size */
92 __u64 loi_mtime; /* recently seen mtime */
93 __u64 loi_blocks; /* recently seen blocks */
96 static inline void loi_init(struct lov_oinfo *loi)
98 INIT_LIST_HEAD(&loi->loi_read_lop.lop_pending);
99 INIT_LIST_HEAD(&loi->loi_read_lop.lop_urgent);
100 INIT_LIST_HEAD(&loi->loi_read_lop.lop_pending_group);
101 INIT_LIST_HEAD(&loi->loi_write_lop.lop_pending);
102 INIT_LIST_HEAD(&loi->loi_write_lop.lop_urgent);
103 INIT_LIST_HEAD(&loi->loi_write_lop.lop_pending_group);
104 INIT_LIST_HEAD(&loi->loi_cli_item);
105 INIT_LIST_HEAD(&loi->loi_write_item);
106 INIT_LIST_HEAD(&loi->loi_read_item);
109 struct lov_stripe_md {
110 /* Public members. */
111 __u64 lsm_object_id; /* lov object id */
112 __u64 lsm_object_gr; /* lov object id */
113 __u64 lsm_maxbytes; /* maximum possible file size */
114 unsigned long lsm_xfersize; /* optimal transfer size */
116 /* LOV-private members start here -- only for use in lov/. */
118 __u32 lsm_stripe_size; /* size of the stripe */
119 __u32 lsm_pattern; /* striping pattern (RAID0, RAID1) */
120 unsigned lsm_stripe_count; /* number of objects being striped over */
121 struct lov_oinfo lsm_oinfo[0];
124 static inline void dump_lsm(int level, struct lov_stripe_md *lsm)
127 CDEBUG(level, "objid "LPX64"/"LPU64", maxbytes "LPX64", magic 0x%08X, "
128 "stripe_size %u, stripe_count %u\n",
129 lsm->lsm_object_id, lsm->lsm_object_gr, lsm->lsm_maxbytes,
130 lsm->lsm_magic, lsm->lsm_stripe_size, lsm->lsm_stripe_count);
131 for (i = 0; i < lsm->lsm_stripe_count; i++)
132 CDEBUG(level, "idx %u ostidx %u/%u object "LPU64"/"LPU64"\n",
133 i, lsm->lsm_oinfo[i].loi_ost_idx,
134 lsm->lsm_oinfo[i].loi_ost_gen,
135 lsm->lsm_oinfo[i].loi_id, lsm->lsm_oinfo[i].loi_gr);
139 struct list_head typ_chain;
140 struct obd_ops *typ_ops;
141 struct md_ops *typ_md_ops;
142 struct proc_dir_entry *typ_procroot;
148 obd_off disk_offset; /* modulo PAGE_SIZE */
149 obd_off page_offset; /* modulo PAGE_SIZE (obviously) */
156 ASYNC_READY = 0x1, /* ap_make_ready will not be called before this
157 page is added to an rpc */
159 ASYNC_COUNT_STABLE = 0x4, /* ap_refresh_count will not be called
160 to give the caller a chance to update
161 or cancel the size of the io */
162 ASYNC_GROUP_SYNC = 0x8, /* ap_completion will not be called, instead
163 the page is accounted for in the
164 obd_io_group given to
165 obd_queue_group_io */
168 struct obd_async_page_ops {
169 int (*ap_make_ready)(void *data, int cmd);
170 int (*ap_refresh_count)(void *data, int cmd);
171 void (*ap_fill_obdo)(void *data, int cmd, struct obdo *oa);
172 void (*ap_completion)(void *data, int cmd, struct obdo *oa, int rc);
175 /* the `oig' is passed down from a caller of obd rw methods. the callee
176 * records enough state such that the caller can sleep on the oig and
177 * be woken when all the callees have finished their work */
178 struct obd_io_group {
180 atomic_t oig_refcount;
183 struct list_head oig_occ_list;
184 wait_queue_head_t oig_waitq;
187 /* the oig callback context lets the callee of obd rw methods register
188 * for callbacks from the caller. */
189 struct oig_callback_context {
190 struct list_head occ_oig_item;
191 /* called when the caller has received a signal while sleeping.
192 * callees of this method are encouraged to abort their state
193 * in the oig. This may be called multiple times. */
194 void (*occ_interrupted)(struct oig_callback_context *occ);
198 /* if we find more consumers this could be generalized */
199 #define OBD_HIST_MAX 32
200 struct obd_histogram {
202 unsigned long oh_buckets[OBD_HIST_MAX];
205 /* reports average service time with the help of lprocfs_status.c */
206 struct obd_service_time {
211 struct ost_server_data;
213 #define FILTER_SUBDIR_COUNT 32 /* set to zero for no subdirs */
215 #define FILTER_GROUP_LLOG 1
216 #define FILTER_GROUP_ECHO 2
217 #define FILTER_GROUP_FIRST_MDS 3
219 struct filter_subdirs {
220 struct dentry *dentry[FILTER_SUBDIR_COUNT];
223 struct filter_group_llog {
224 struct list_head list;
226 struct obd_llogs *llogs;
227 struct obd_export *exp;
231 const char *fo_fstype;
232 struct super_block *fo_sb;
233 struct vfsmount *fo_vfsmnt;
234 struct lvfs_obd_ctxt *fo_lvfs_ctxt;
237 struct dentry *fo_dentry_O; /* the "O"bject directory dentry */
238 struct dentry **fo_groups; /* dentries for each group dir */
239 struct filter_subdirs *fo_subdirs; /* subdir array per group */
240 __u64 *fo_last_objids; /* per-group last created objid */
241 struct file **fo_last_objid_files;
242 struct semaphore fo_init_lock; /* group initialization lock */
243 int fo_committed_group;
245 spinlock_t fo_objidlock; /* protect fo_lastobjid increment */
246 spinlock_t fo_lastidlock; /* protect last_id increment */
247 spinlock_t fo_translock; /* protect fsd_last_rcvd increment */
248 struct file *fo_rcvd_filp;
249 struct filter_server_data *fo_fsd;
250 unsigned long *fo_last_rcvd_slots;
251 __u64 fo_mount_count;
253 unsigned long fo_destroys_in_progress;
254 struct semaphore fo_create_locks[32];
256 struct file_operations *fo_fop;
257 struct inode_operations *fo_iop;
258 struct address_space_operations *fo_aops;
260 struct list_head fo_export_list;
263 obd_size fo_tot_dirty; /* protected by obd_osfs_lock */
264 obd_size fo_tot_granted; /* all values in bytes */
265 obd_size fo_tot_pending;
267 obd_size fo_readcache_max_filesize;
269 struct obd_import *fo_mdc_imp;
270 struct obd_uuid fo_mdc_uuid;
271 struct lustre_handle fo_mdc_conn;
273 struct semaphore fo_alloc_lock;
275 struct obd_histogram fo_r_pages;
276 struct obd_histogram fo_w_pages;
277 struct obd_histogram fo_r_discont_pages;
278 struct obd_histogram fo_w_discont_pages;
279 struct obd_histogram fo_r_discont_blocks;
280 struct obd_histogram fo_w_discont_blocks;
282 struct list_head fo_llog_list;
283 spinlock_t fo_llog_list_lock;
285 /* which secure flavor from remote is denied */
286 spinlock_t fo_denylist_lock;
287 struct list_head fo_denylist;
291 struct mds_server_data;
293 #define OSC_MAX_RIF_DEFAULT 8
294 #define OSC_MAX_RIF_MAX 64
295 #define OSC_MAX_DIRTY_DEFAULT (4*OSC_MAX_RIF_DEFAULT*PTLRPC_MAX_BRW_SIZE>>20)
296 #define OSC_MAX_DIRTY_MB_MAX 512 /* totally arbitrary */
301 struct obd_import *cl_import;
302 struct semaphore cl_sem;
304 /* max_mds_easize is purely a performance thing so we don't have to
305 * call obd_size_wiremd() all the time. */
306 int cl_max_mds_easize;
307 int cl_max_mds_cookiesize;
310 /* security flavors */
312 unsigned long cl_sec_flags;
314 //struct llog_canceld_ctxt *cl_llcd; /* it's included by obd_llog_ctxt */
315 void *cl_llcd_offset;
317 struct obd_device *cl_mgmtcli_obd;
319 /* the grant values are protected by loi_list_lock below */
320 long cl_dirty; /* all _dirty_ in bytes */
321 long cl_dirty_max; /* allowed w/o rpc */
322 long cl_avail_grant; /* bytes of credit for ost */
323 long cl_lost_grant; /* lost credits (trunc) */
324 struct list_head cl_cache_waiters; /* waiting for cache/grant */
326 /* keep track of objects that have lois that contain pages which
327 * have been queued for async brw. this lock also protects the
328 * lists of osc_client_pages that hang off of the loi */
329 spinlock_t cl_loi_list_lock;
330 struct list_head cl_loi_ready_list;
331 struct list_head cl_loi_write_list;
332 struct list_head cl_loi_read_list;
335 /* just a sum of the loi/lop pending numbers to be exported by /proc */
336 int cl_pending_w_pages;
337 int cl_pending_r_pages;
338 int cl_max_pages_per_rpc;
339 int cl_max_rpcs_in_flight;
340 struct obd_histogram cl_read_rpc_hist;
341 struct obd_histogram cl_write_rpc_hist;
342 struct obd_histogram cl_read_page_hist;
343 struct obd_histogram cl_write_page_hist;
344 struct obd_service_time cl_read_stime;
345 struct obd_service_time cl_write_stime;
346 struct obd_service_time cl_enter_stime;
348 struct mdc_rpc_lock *cl_rpc_lock;
349 struct mdc_rpc_lock *cl_setattr_lock;
350 struct mdc_rpc_lock *cl_close_lock;
351 struct osc_creator cl_oscc;
355 /* Like a client, with some hangers-on. Keep mc_client_obd first so that we
356 * can reuse the various client setup/connect functions. */
358 struct client_obd mc_client_obd; /* nested */
359 struct ptlrpc_thread *mc_ping_thread;
360 struct obd_export *mc_ping_exp; /* XXX single-target */
361 struct list_head mc_registered;
365 #define mc_import mc_client_obd.cl_import
368 struct ptlrpc_service *mds_service;
369 struct ptlrpc_service *mds_setattr_service;
370 struct ptlrpc_service *mds_readpage_service;
371 struct ptlrpc_service *mds_close_service;
372 struct super_block *mds_sb;
373 struct vfsmount *mds_vfsmnt;
374 struct dentry *mds_id_de;
375 struct lvfs_obd_ctxt *mds_lvfs_ctxt;
377 int mds_max_cookiesize;
378 struct file *mds_rcvd_filp;
379 struct file *mds_fid_filp;
380 struct file *mds_virtid_filp;
381 spinlock_t mds_transno_lock;
382 __u64 mds_last_transno;
383 __u64 mds_mount_count;
387 __u64 mds_virtid_fid;
388 spinlock_t mds_last_fid_lock;
390 struct semaphore mds_epoch_sem;
391 struct lustre_id mds_rootid;
392 struct mds_server_data *mds_server_data;
393 struct dentry *mds_pending_dir;
394 struct dentry *mds_logs_dir;
395 struct dentry *mds_objects_dir;
396 struct llog_handle *mds_cfg_llh;
398 struct obd_device *mds_dt_obd;
399 struct obd_uuid mds_dt_uuid;
400 struct obd_export *mds_dt_exp;
402 struct lov_desc mds_dt_desc;
404 spinlock_t mds_dt_lock;
405 obd_id *mds_dt_objids;
406 struct file *mds_dt_objid_filp;
407 int mds_dt_objids_valid;
409 unsigned long *mds_client_bitmap;
410 struct semaphore mds_orphan_recovery_sem;
413 int mds_config_version;
416 struct obd_device *mds_md_obd;
417 struct obd_export *mds_md_exp;
418 struct semaphore mds_md_sem;
419 struct obd_uuid mds_md_uuid;
420 int mds_md_connected;
422 struct ptlrpc_service *mds_create_service;
423 uid_t mds_squash_uid;
424 gid_t mds_squash_gid;
425 ptl_nid_t mds_nosquash_nid;
426 atomic_t mds_real_clients;
427 atomic_t mds_open_count;
428 struct dentry *mds_id_dir;
430 struct dentry *mds_unnamed_dir; /* for mdt_obd_create only */
432 /* security related */
436 /* which secure flavor from remote to this mds is denied */
437 spinlock_t mds_denylist_lock;
438 struct list_head mds_denylist;
440 /* fid->ino mapping related fields */
441 spinlock_t mds_fidmap_lock;
442 struct hlist_head *mds_fidmap_table;
443 unsigned long mds_fidmap_size;
445 /* cache fid extents stuff */
446 spinlock_t mds_fidext_lock;
447 __u64 mds_fidext_thumb;
455 struct lustre_handle eo_nl_lock;
460 * this struct does double-duty acting as either a client or
461 * server instance .. maybe not wise.
465 struct ptlrpc_service *ptlbd_service;
468 struct ptlrpc_client bd_client;
469 struct obd_import *bd_import;
470 struct obd_uuid bd_server_uuid;
471 struct obd_export *bd_exp;
472 int refcount; /* XXX sigh */
476 spinlock_t recovd_lock;
477 struct list_head recovd_managed_items; /* items managed */
478 struct list_head recovd_troubled_items; /* items in recovery */
480 wait_queue_head_t recovd_recovery_waitq;
481 wait_queue_head_t recovd_ctl_waitq;
482 wait_queue_head_t recovd_waitq;
483 struct task_struct *recovd_thread;
489 struct ptlrpc_service *ost_service;
490 struct ptlrpc_service *ost_create_service;
491 struct ptlrpc_service *ost_destroy_service;
492 struct obd_service_time ost_stimes[6];
495 struct echo_client_obd {
496 struct obd_export *ec_exp; /* the local connection to osc/lov */
498 struct list_head ec_objects;
504 struct obd_export *master_exp; /* local connection to master obd */
505 struct obd_export *cache_exp; /* local connection to cache obd */
506 struct obd_export *cache_real_exp;
507 struct obd_export *master_real_exp;
508 struct obd_device *master;
509 struct obd_device *cache;
514 struct semaphore sem;
515 struct lov_desc dt_desc; /* data lovdesc */
519 struct obd_export *cache_exp; /* local connection to cache obd */
520 struct obd_export *master_exp;
521 struct obd_device *cache_obd;
522 struct obd_device *master_obd;
524 struct cmobd_write_service *write_srv;
525 struct lov_desc master_desc; /* master device lovdesc */
529 struct super_block *cfobd_sb;
530 struct vfsmount *cfobd_vfsmnt;
531 struct dentry *cfobd_logs_dir;
532 struct dentry *cfobd_objects_dir;
533 struct dentry *cfobd_pending_dir;
534 struct llog_handle *cfobd_cfg_llh;
535 struct lvfs_obd_ctxt *cfobd_lvfs_ctxt;
538 struct lov_tgt_desc {
539 struct obd_uuid uuid;
541 struct obd_export *ltd_exp;
542 int active; /* is this target up for requests */
547 struct lov_desc desc;
550 int lo_catalog_loaded:1, async:1;
551 struct semaphore lov_llog_sem;
552 unsigned long lov_connect_flags;
553 struct lov_tgt_desc *tgts;
556 struct lmv_tgt_desc {
557 struct obd_uuid uuid;
558 struct obd_export *ltd_exp;
559 int active; /* is this target up for requests */
565 struct lmv_desc desc;
566 struct lmv_tgt_desc *tgts;
567 struct obd_uuid cluuid;
568 struct obd_export *exp;
576 struct semaphore init_sem;
577 struct obd_connect_data conn_data;
579 struct gks_crypto_key {
584 struct ptlrpc_service *gks_service;
585 struct crypto_tfm *gks_mac_tfm;
586 struct crypto_tfm *gks_key_tfm;
587 struct gks_crypto_key gks_key;
590 struct niobuf_local {
595 struct dentry *dentry;
600 #define OBD_MODE_ASYNC (1 << 0)
601 #define OBD_MODE_CROW (1 << 1)
603 /* Don't conflict with on-wire flags OBD_BRW_WRITE, etc */
604 #define N_LOCAL_TEMP_PAGE 0x10000000
606 struct obd_trans_info {
610 /* only used on the server side for tracking acks. */
611 struct oti_req_ack_lock {
612 struct lustre_handle lock;
616 struct llog_cookie oti_onecookie;
617 struct llog_cookie *oti_logcookies;
622 static inline void oti_alloc_cookies(struct obd_trans_info *oti,int num_cookies)
627 if (num_cookies == 1)
628 oti->oti_logcookies = &oti->oti_onecookie;
630 OBD_ALLOC(oti->oti_logcookies,
631 num_cookies * sizeof(oti->oti_onecookie));
633 oti->oti_numcookies = num_cookies;
636 static inline void oti_free_cookies(struct obd_trans_info *oti)
638 if (!oti || !oti->oti_logcookies)
641 if (oti->oti_logcookies == &oti->oti_onecookie)
642 LASSERT(oti->oti_numcookies == 1);
644 OBD_FREE(oti->oti_logcookies,
645 oti->oti_numcookies * sizeof(oti->oti_onecookie));
646 oti->oti_logcookies = NULL;
647 oti->oti_numcookies = 0;
652 LLOG_CONFIG_ORIG_CTXT = 0,
653 LLOG_CONFIG_REPL_CTXT = 1,
654 LLOG_UNLINK_ORIG_CTXT = 2,
655 LLOG_UNLINK_REPL_CTXT = 3,
656 LLOG_SIZE_ORIG_CTXT = 4,
657 LLOG_SIZE_REPL_CTXT = 5,
658 LLOG_MD_ORIG_CTXT = 6,
659 LLOG_MD_REPL_CTXT = 7,
660 LLOG_RD1_ORIG_CTXT = 8,
661 LLOG_RD1_REPL_CTXT = 9,
662 LLOG_TEST_ORIG_CTXT = 10,
663 LLOG_TEST_REPL_CTXT = 11,
664 LLOG_REINT_ORIG_CTXT = 12,
665 LLOG_AUDIT_ORIG_CTXT = 13,
670 struct llog_ctxt *llog_ctxt[LLOG_MAX_CTXTS];
673 struct target_recovery_data {
674 svc_handler_t trd_recovery_handler;
675 pid_t trd_processing_task;
676 struct completion trd_starting;
677 struct completion trd_finishing;
680 /* corresponds to one of the obd's */
682 struct obd_type *obd_type;
684 /* common and UUID name of this device */
686 struct obd_uuid obd_uuid;
689 unsigned int obd_attached:1, obd_set_up:1, obd_recovering:1,
690 obd_abort_recovery:1, obd_replayable:1, obd_no_transno:1,
691 obd_no_recov:1, obd_stopping:1;
692 atomic_t obd_refcount;
693 wait_queue_head_t obd_refcount_waitq;
694 struct proc_dir_entry *obd_proc_entry;
695 struct list_head obd_exports;
697 struct ldlm_namespace *obd_namespace;
698 struct ptlrpc_client obd_ldlm_client; /* XXX OST/MDS only */
699 /* a spinlock is OK for what we do now, may need a semaphore later */
700 spinlock_t obd_dev_lock;
701 __u64 obd_last_committed;
702 struct fsfilt_operations *obd_fsops;
703 spinlock_t obd_osfs_lock;
704 struct obd_statfs obd_osfs;
705 unsigned long obd_osfs_age;
706 struct lvfs_run_ctxt obd_lvfs_ctxt;
707 struct obd_llogs obd_llogs;
708 struct llog_ctxt *obd_llog_ctxt[LLOG_MAX_CTXTS];
709 struct obd_device *obd_observer;
710 struct obd_export *obd_self_export;
712 struct target_recovery_data obd_recovery_data;
713 /* XXX encapsulate all this recovery data into target_recovery_data */
714 int obd_max_recoverable_clients;
715 int obd_connected_clients;
716 int obd_recoverable_clients;
717 spinlock_t obd_processing_task_lock;
718 __u64 obd_next_recovery_transno;
719 int obd_replayed_requests;
720 int obd_replayed_locks;
721 int obd_requests_queued_for_recovery;
722 wait_queue_head_t obd_next_transno_waitq;
723 struct list_head obd_uncommitted_replies;
724 spinlock_t obd_uncommitted_replies_lock;
725 struct timer_list obd_recovery_timer;
726 time_t obd_recovery_start;
727 time_t obd_recovery_end;
729 atomic_t obd_req_replay_clients;
730 atomic_t obd_lock_replay_clients;
732 struct list_head obd_req_replay_queue;
733 struct list_head obd_lock_replay_queue;
734 struct list_head obd_final_req_queue;
735 int obd_recovery_stage;
738 struct filter_obd filter;
740 struct client_obd cli;
742 struct echo_client_obd echocli;
743 struct echo_obd echo;
744 struct recovd_obd recovd;
746 struct cache_obd cobd;
747 struct ptlbd_obd ptlbd;
748 struct mgmtcli_obd mgmtcli;
751 struct conf_obd conf;
755 /* fields used by LProcFS */
756 unsigned int obd_cntr_base;
757 struct lprocfs_stats *obd_stats;
758 unsigned int md_cntr_base;
759 struct lprocfs_stats *md_stats;
761 struct proc_dir_entry *obd_svc_procroot;
762 struct lprocfs_stats *obd_svc_stats;
765 #define OBD_OPT_FORCE (1 << 0)
766 #define OBD_OPT_FAILOVER (1 << 1)
767 #define OBD_OPT_REAL_CLIENT (1 << 2)
768 #define OBD_OPT_MDS_CONNECTION (1 << 3)
770 #define OBD_LLOG_FL_SENDNOW (1 << 0)
771 #define OBD_LLOG_FL_CREATE (1 << 1)
776 struct module *o_owner;
777 int (*o_iocontrol)(unsigned int cmd, struct obd_export *exp, int len,
778 void *karg, void *uarg);
779 int (*o_get_info)(struct obd_export *, __u32 keylen, void *key,
780 __u32 *vallen, void *val);
781 int (*o_set_info)(struct obd_export *, __u32 keylen, void *key,
782 __u32 vallen, void *val);
783 int (*o_attach)(struct obd_device *dev, obd_count len, void *data);
784 int (*o_detach)(struct obd_device *dev);
785 int (*o_setup) (struct obd_device *dev, obd_count len, void *data);
786 int (*o_precleanup)(struct obd_device *dev, int flags);
787 int (*o_cleanup)(struct obd_device *dev, int flags);
788 int (*o_process_config)(struct obd_device *dev, obd_count len,
790 int (*o_postrecov)(struct obd_device *dev);
791 int (*o_add_conn)(struct obd_import *imp, struct obd_uuid *uuid,
793 int (*o_del_conn)(struct obd_import *imp, struct obd_uuid *uuid);
794 int (*o_connect)(struct lustre_handle *conn, struct obd_device *src,
795 struct obd_uuid *cluuid, struct obd_connect_data *data,
796 unsigned long flags);
797 int (*o_connect_post)(struct obd_export *exp, unsigned, unsigned long);
798 int (*o_disconnect)(struct obd_export *exp, unsigned long flags);
800 int (*o_statfs)(struct obd_device *obd, struct obd_statfs *osfs,
801 unsigned long max_age);
802 int (*o_packmd)(struct obd_export *exp, struct lov_mds_md **disk_tgt,
803 struct lov_stripe_md *mem_src);
804 int (*o_unpackmd)(struct obd_export *exp,struct lov_stripe_md **mem_tgt,
805 struct lov_mds_md *disk_src, int disk_len);
806 int (*o_revalidate_md)(struct obd_export *exp, struct obdo *oa,
807 struct lov_stripe_md *ea,
808 struct obd_trans_info *oti);
809 int (*o_preallocate)(struct lustre_handle *, obd_count *req,
811 int (*o_create)(struct obd_export *exp, struct obdo *oa,
812 void *acl, int acl_size,
813 struct lov_stripe_md **ea, struct obd_trans_info *oti);
814 int (*o_destroy)(struct obd_export *exp, struct obdo *oa,
815 struct lov_stripe_md *ea, struct obd_trans_info *oti);
816 int (*o_setattr)(struct obd_export *exp, struct obdo *oa,
817 struct lov_stripe_md *ea, struct obd_trans_info *oti);
818 int (*o_getattr)(struct obd_export *exp, struct obdo *oa,
819 struct lov_stripe_md *ea);
820 int (*o_getattr_async)(struct obd_export *exp, struct obdo *oa,
821 struct lov_stripe_md *ea,
822 struct ptlrpc_request_set *set);
823 int (*o_brw)(int rw, struct obd_export *exp, struct obdo *oa,
824 struct lov_stripe_md *ea, obd_count oa_bufs,
825 struct brw_page *pgarr, struct obd_trans_info *oti);
826 int (*o_brw_async)(int rw, struct obd_export *exp, struct obdo *oa,
827 struct lov_stripe_md *ea, obd_count oa_bufs,
828 struct brw_page *pgarr, struct ptlrpc_request_set *,
829 struct obd_trans_info *oti);
830 int (*o_prep_async_page)(struct obd_export *exp,
831 struct lov_stripe_md *lsm,
832 struct lov_oinfo *loi,
833 struct page *page, obd_off offset,
834 struct obd_async_page_ops *ops, void *data,
836 int (*o_queue_async_io)(struct obd_export *exp,
837 struct lov_stripe_md *lsm,
838 struct lov_oinfo *loi, void *cookie,
839 int cmd, obd_off off, int count,
840 obd_flags brw_flags, obd_flags async_flags);
841 int (*o_queue_group_io)(struct obd_export *exp,
842 struct lov_stripe_md *lsm,
843 struct lov_oinfo *loi,
844 struct obd_io_group *oig,
845 void *cookie, int cmd, obd_off off, int count,
846 obd_flags brw_flags, obd_flags async_flags);
847 int (*o_trigger_group_io)(struct obd_export *exp,
848 struct lov_stripe_md *lsm,
849 struct lov_oinfo *loi,
850 struct obd_io_group *oig);
851 int (*o_set_async_flags)(struct obd_export *exp,
852 struct lov_stripe_md *lsm,
853 struct lov_oinfo *loi, void *cookie,
854 obd_flags async_flags);
855 int (*o_teardown_async_page)(struct obd_export *exp,
856 struct lov_stripe_md *lsm,
857 struct lov_oinfo *loi, void *cookie);
858 int (*o_adjust_kms)(struct obd_export *exp, struct lov_stripe_md *lsm,
859 obd_off size, int shrink);
860 int (*o_punch)(struct obd_export *exp, struct obdo *oa,
861 struct lov_stripe_md *ea, obd_size start,
862 obd_size end, struct obd_trans_info *oti);
863 int (*o_sync)(struct obd_export *exp, struct obdo *oa,
864 struct lov_stripe_md *ea, obd_size start, obd_size end);
865 int (*o_migrate)(struct lustre_handle *conn, struct lov_stripe_md *dst,
866 struct lov_stripe_md *src, obd_size start,
867 obd_size end, struct obd_trans_info *oti);
868 int (*o_copy)(struct lustre_handle *dstconn, struct lov_stripe_md *dst,
869 struct lustre_handle *srconn, struct lov_stripe_md *src,
870 obd_size start, obd_size end, struct obd_trans_info *);
871 int (*o_iterate)(struct lustre_handle *conn,
872 int (*)(obd_id, obd_gr, void *),
873 obd_id *startid, obd_gr group, void *data);
874 int (*o_preprw)(int cmd, struct obd_export *exp, struct obdo *oa,
875 int objcount, struct obd_ioobj *obj,
876 int niocount, struct niobuf_remote *remote,
877 struct niobuf_local *local, struct obd_trans_info *oti);
878 int (*o_commitrw)(int cmd, struct obd_export *exp, struct obdo *oa,
879 int objcount, struct obd_ioobj *obj,
880 int niocount, struct niobuf_local *local,
881 struct obd_trans_info *oti, int rc);
882 int (*o_do_cow)(struct obd_export *exp, struct obd_ioobj *obj,
883 int objcount, struct niobuf_remote *rnb);
884 int (*o_write_extents)(struct obd_export *exp, struct obd_ioobj *obj,
885 int objcount, int niocount,
886 struct niobuf_local *local,int rc);
887 int (*o_enqueue)(struct obd_export *, struct lov_stripe_md *,
888 __u32 type, ldlm_policy_data_t *, __u32 mode,
889 int *flags, void *bl_cb, void *cp_cb, void *gl_cb,
890 void *data, __u32 lvb_len, void *lvb_swabber,
891 struct lustre_handle *lockh);
892 int (*o_match)(struct obd_export *, struct lov_stripe_md *, __u32 type,
893 ldlm_policy_data_t *, __u32 mode, int *flags, void *data,
894 struct lustre_handle *lockh);
895 int (*o_change_cbdata)(struct obd_export *, struct lov_stripe_md *,
896 ldlm_iterator_t it, void *data);
897 int (*o_cancel)(struct obd_export *, struct lov_stripe_md *md,
898 __u32 mode, struct lustre_handle *);
899 int (*o_cancel_unused)(struct obd_export *, struct lov_stripe_md *,
900 int flags, void *opaque);
901 int (*o_san_preprw)(int cmd, struct obd_export *exp,
902 struct obdo *oa, int objcount,
903 struct obd_ioobj *obj, int niocount,
904 struct niobuf_remote *remote);
905 int (*o_init_export)(struct obd_export *exp);
906 int (*o_destroy_export)(struct obd_export *exp);
908 /* llog related obd_methods */
909 int (*o_llog_init)(struct obd_device *, struct obd_llogs *,
910 struct obd_device *, int, struct llog_catid *);
911 int (*o_llog_finish)(struct obd_device *, struct obd_llogs *, int);
912 int (*o_llog_connect)(struct obd_export *, struct llogd_conn_body *);
915 /* metadata-only methods */
916 int (*o_pin)(struct obd_export *, obd_id ino, __u32 gen, int type,
917 struct obd_client_handle *, int flag);
918 int (*o_unpin)(struct obd_export *, struct obd_client_handle *, int);
920 int (*o_import_event)(struct obd_device *, struct obd_import *,
921 enum obd_import_event);
923 int (*o_notify)(struct obd_device *obd, struct obd_device *watched,
924 int active, void *data);
926 int (*o_init_ea_size)(struct obd_export *, int, int);
929 * NOTE: If adding ops, add another LPROCFS_OBD_OP_INIT() line
930 * to lprocfs_alloc_obd_stats() in obdclass/lprocfs_status.c.
931 * Also, add a wrapper function in include/linux/obd_class.h.
936 int (*m_getstatus)(struct obd_export *, struct lustre_id *);
937 int (*m_change_cbdata)(struct obd_export *, struct lustre_id *,
938 ldlm_iterator_t, void *);
939 int (*m_change_cbdata_name)(struct obd_export *, struct lustre_id *,
940 char *, int, struct lustre_id *,
941 ldlm_iterator_t, void *);
942 int (*m_close)(struct obd_export *, struct obdo *,
943 struct obd_client_handle *,
944 struct ptlrpc_request **);
945 int (*m_create)(struct obd_export *, struct mdc_op_data *,
946 const void *, int, int, __u32, __u32,
947 __u64, struct ptlrpc_request **);
948 int (*m_done_writing)(struct obd_export *, struct obdo *);
949 int (*m_enqueue)(struct obd_export *, int, struct lookup_intent *,
950 int, struct mdc_op_data *, struct lustre_handle *,
951 void *, int, ldlm_completion_callback,
952 ldlm_blocking_callback, void *);
953 int (*m_getattr)(struct obd_export *, struct lustre_id *,
954 __u64, const char *, const void *, unsigned int,
955 unsigned int, struct ptlrpc_request **);
956 int (*m_access_check)(struct obd_export *, struct lustre_id *,
957 struct ptlrpc_request **);
958 int (*m_getattr_lock)(struct obd_export *, struct lustre_id *,
960 unsigned int, struct ptlrpc_request **);
961 int (*m_intent_lock)(struct obd_export *,
962 struct lustre_id *, const char *, int,
963 void *, int, struct lustre_id *,
964 struct lookup_intent *, int,
965 struct ptlrpc_request **,
966 ldlm_blocking_callback);
967 int (*m_link)(struct obd_export *, struct mdc_op_data *,
968 struct ptlrpc_request **);
969 int (*m_rename)(struct obd_export *, struct mdc_op_data *,
970 const char *, int, const char *, int,
971 struct ptlrpc_request **);
972 int (*m_setattr)(struct obd_export *, struct mdc_op_data *,
973 struct iattr *, void *, int , void *, int,
974 void *, int, struct ptlrpc_request **);
975 int (*m_sync)(struct obd_export *, struct lustre_id *,
976 struct ptlrpc_request **);
977 int (*m_readpage)(struct obd_export *, struct lustre_id *,
978 __u64, struct page *, struct ptlrpc_request **);
979 int (*m_unlink)(struct obd_export *, struct mdc_op_data *,
980 struct ptlrpc_request **);
981 int (*m_valid_attrs)(struct obd_export *, struct lustre_id *);
983 struct obd_device *(*m_get_real_obd)(struct obd_export *, struct lustre_id *);
985 int (*m_req2lustre_md)(struct obd_export *exp,
986 struct ptlrpc_request *req, unsigned int offset,
987 struct obd_export *osc_exp, struct lustre_md *md);
988 int (*m_set_open_replay_data)(struct obd_export *exp,
989 struct obd_client_handle *och,
990 struct ptlrpc_request *open_req);
991 int (*m_clear_open_replay_data)(struct obd_export *exp,
992 struct obd_client_handle *och);
993 int (*m_store_inode_generation)(struct obd_export *exp,
994 struct ptlrpc_request *req, int reqoff,
996 int (*m_set_lock_data)(struct obd_export *exp, __u64 *l, void *data);
998 int (*m_delete_inode)(struct obd_export *, struct lustre_id *);
1001 * NOTE: If adding ops, add another LPROCFS_MD_OP_INIT() line to
1002 * lprocfs_alloc_md_stats() in obdclass/lprocfs_status.c. Also, add a
1003 * wrapper function in include/linux/obd_class.h.
1007 static inline void obd_transno_commit_cb(struct obd_device *obd,
1008 __u64 transno, int error)
1011 CERROR("%s: transno "LPD64" commit error: %d\n",
1012 obd->obd_name, transno, error);
1016 CDEBUG(D_HA, "%s: transno "LPD64" committed\n",
1017 obd->obd_name, transno);
1019 if (transno > obd->obd_last_committed) {
1020 obd->obd_last_committed = transno;
1021 ptlrpc_commit_replies (obd);
1025 static inline int obd_md_type(struct obd_device *obd)
1027 if (!strcmp(obd->obd_type->typ_name, OBD_MDC_DEVICENAME) ||
1028 !strcmp(obd->obd_type->typ_name, OBD_LMV_DEVICENAME))
1034 static inline int obd_dt_type(struct obd_device *obd)
1036 if (!strcmp(obd->obd_type->typ_name, OBD_LOV_DEVICENAME) ||
1037 !strcmp(obd->obd_type->typ_name, OBD_OSC_DEVICENAME))
1043 #endif /* __OBD_H */