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>
66 #include <linux/lustre_sec.h>
68 /* this is really local to the OSC */
69 struct loi_oap_pages {
70 struct list_head lop_pending;
72 struct list_head lop_urgent;
73 struct list_head lop_pending_group;
76 struct lov_oinfo { /* per-stripe data structure */
77 __u64 loi_id; /* object ID on the target OST */
78 __u64 loi_gr; /* object group on the target OST */
79 int loi_ost_idx; /* OST stripe index in lov_tgt_desc->tgts */
80 int loi_ost_gen; /* generation of this loi_ost_idx */
82 /* used by the osc to keep track of what objects to build into rpcs */
83 struct loi_oap_pages loi_read_lop;
84 struct loi_oap_pages loi_write_lop;
85 /* _cli_ is poorly named, it should be _ready_ */
86 struct list_head loi_cli_item;
87 struct list_head loi_write_item;
88 struct list_head loi_read_item;
90 unsigned loi_kms_valid:1;
91 __u64 loi_kms; /* known minimum size */
92 __u64 loi_rss; /* recently seen size */
93 __u64 loi_mtime; /* recently seen mtime */
94 __u64 loi_blocks; /* recently seen blocks */
97 static inline void loi_init(struct lov_oinfo *loi)
99 INIT_LIST_HEAD(&loi->loi_read_lop.lop_pending);
100 INIT_LIST_HEAD(&loi->loi_read_lop.lop_urgent);
101 INIT_LIST_HEAD(&loi->loi_read_lop.lop_pending_group);
102 INIT_LIST_HEAD(&loi->loi_write_lop.lop_pending);
103 INIT_LIST_HEAD(&loi->loi_write_lop.lop_urgent);
104 INIT_LIST_HEAD(&loi->loi_write_lop.lop_pending_group);
105 INIT_LIST_HEAD(&loi->loi_cli_item);
106 INIT_LIST_HEAD(&loi->loi_write_item);
107 INIT_LIST_HEAD(&loi->loi_read_item);
110 struct lov_stripe_md {
111 /* Public members. */
112 __u64 lsm_object_id; /* lov object id */
113 __u64 lsm_object_gr; /* lov object id */
114 __u64 lsm_maxbytes; /* maximum possible file size */
115 unsigned long lsm_xfersize; /* optimal transfer size */
117 /* LOV-private members start here -- only for use in lov/. */
119 __u32 lsm_stripe_size; /* size of the stripe */
120 __u32 lsm_pattern; /* striping pattern (RAID0, RAID1) */
121 unsigned lsm_stripe_count; /* number of objects being striped over */
122 struct lov_oinfo lsm_oinfo[0];
125 static inline void dump_lsm(int level, struct lov_stripe_md *lsm)
128 CDEBUG(level, "objid "LPX64"/"LPU64", maxbytes "LPX64", magic 0x%08X, "
129 "stripe_size %u, stripe_count %u\n",
130 lsm->lsm_object_id, lsm->lsm_object_gr, lsm->lsm_maxbytes,
131 lsm->lsm_magic, lsm->lsm_stripe_size, lsm->lsm_stripe_count);
132 for (i = 0; i < lsm->lsm_stripe_count; i++)
133 CDEBUG(level, "idx %u ostidx %u/%u object "LPU64"/"LPU64"\n",
134 i, lsm->lsm_oinfo[i].loi_ost_idx,
135 lsm->lsm_oinfo[i].loi_ost_gen,
136 lsm->lsm_oinfo[i].loi_id, lsm->lsm_oinfo[i].loi_gr);
140 struct list_head typ_chain;
141 struct obd_ops *typ_ops;
142 struct md_ops *typ_md_ops;
143 struct proc_dir_entry *typ_procroot;
149 obd_off disk_offset; /* modulo PAGE_SIZE */
150 obd_off page_offset; /* modulo PAGE_SIZE (obviously) */
157 ASYNC_READY = 0x1, /* ap_make_ready will not be called before this
158 page is added to an rpc */
160 ASYNC_COUNT_STABLE = 0x4, /* ap_refresh_count will not be called
161 to give the caller a chance to update
162 or cancel the size of the io */
163 ASYNC_GROUP_SYNC = 0x8, /* ap_completion will not be called, instead
164 the page is accounted for in the
165 obd_io_group given to
166 obd_queue_group_io */
169 struct obd_async_page_ops {
170 int (*ap_make_ready)(void *data, int cmd);
171 int (*ap_refresh_count)(void *data, int cmd);
172 void (*ap_fill_obdo)(void *data, int cmd, struct obdo *oa);
173 void (*ap_completion)(void *data, int cmd, struct obdo *oa, int rc);
176 /* the `oig' is passed down from a caller of obd rw methods. the callee
177 * records enough state such that the caller can sleep on the oig and
178 * be woken when all the callees have finished their work */
179 struct obd_io_group {
181 atomic_t oig_refcount;
184 struct list_head oig_occ_list;
185 wait_queue_head_t oig_waitq;
188 /* the oig callback context lets the callee of obd rw methods register
189 * for callbacks from the caller. */
190 struct oig_callback_context {
191 struct list_head occ_oig_item;
192 /* called when the caller has received a signal while sleeping.
193 * callees of this method are encouraged to abort their state
194 * in the oig. This may be called multiple times. */
195 void (*occ_interrupted)(struct oig_callback_context *occ);
199 /* if we find more consumers this could be generalized */
200 #define OBD_HIST_MAX 32
201 struct obd_histogram {
203 unsigned long oh_buckets[OBD_HIST_MAX];
206 /* reports average service time with the help of lprocfs_status.c */
207 struct obd_service_time {
212 struct ost_server_data;
214 #define FILTER_SUBDIR_COUNT 32 /* set to zero for no subdirs */
216 #define FILTER_GROUP_LLOG 1
217 #define FILTER_GROUP_ECHO 2
218 #define FILTER_GROUP_FIRST_MDS 3
220 struct filter_subdirs {
221 struct dentry *dentry[FILTER_SUBDIR_COUNT];
224 struct filter_group_llog {
225 struct list_head list;
227 struct obd_llogs *llogs;
228 struct obd_export *exp;
232 const char *fo_fstype;
233 struct super_block *fo_sb;
234 struct vfsmount *fo_vfsmnt;
235 struct lvfs_obd_ctxt *fo_lvfs_ctxt;
238 struct dentry *fo_dentry_O; /* the "O"bject directory dentry */
239 struct dentry **fo_groups; /* dentries for each group dir */
240 struct filter_subdirs *fo_subdirs; /* subdir array per group */
241 __u64 *fo_last_objids; /* per-group last created objid */
242 struct file **fo_last_objid_files;
243 struct semaphore fo_init_lock; /* group initialization lock */
244 int fo_committed_group;
246 spinlock_t fo_objidlock; /* protect fo_lastobjid increment */
247 spinlock_t fo_lastidlock; /* protect last_id increment */
248 spinlock_t fo_translock; /* protect fsd_last_rcvd increment */
249 struct file *fo_rcvd_filp;
250 struct filter_server_data *fo_fsd;
251 unsigned long *fo_last_rcvd_slots;
252 __u64 fo_mount_count;
254 unsigned long fo_destroys_in_progress;
255 struct semaphore fo_create_locks[32];
257 struct file_operations *fo_fop;
258 struct inode_operations *fo_iop;
259 struct address_space_operations *fo_aops;
261 struct list_head fo_export_list;
264 obd_size fo_tot_dirty; /* protected by obd_osfs_lock */
265 obd_size fo_tot_granted; /* all values in bytes */
266 obd_size fo_tot_pending;
268 obd_size fo_readcache_max_filesize;
270 struct obd_import *fo_mdc_imp;
271 struct obd_uuid fo_mdc_uuid;
272 struct lustre_handle fo_mdc_conn;
274 struct semaphore fo_alloc_lock;
276 struct obd_histogram fo_r_pages;
277 struct obd_histogram fo_w_pages;
278 struct obd_histogram fo_r_discont_pages;
279 struct obd_histogram fo_w_discont_pages;
280 struct obd_histogram fo_r_discont_blocks;
281 struct obd_histogram fo_w_discont_blocks;
283 struct list_head fo_llog_list;
284 spinlock_t fo_llog_list_lock;
286 /* which secure flavor from remote is denied */
287 spinlock_t fo_denylist_lock;
288 struct list_head fo_denylist;
290 /* capability related */
292 struct crypto_tfm *fo_capa_hmac;
293 spinlock_t fo_capa_lock;
295 struct list_head fo_capa_keys;
298 struct mds_server_data;
300 #define OSC_MAX_RIF_DEFAULT 8
301 #define OSC_MAX_RIF_MAX 64
302 #define OSC_MAX_DIRTY_DEFAULT (4*OSC_MAX_RIF_DEFAULT*PTLRPC_MAX_BRW_SIZE>>20)
303 #define OSC_MAX_DIRTY_MB_MAX 512 /* totally arbitrary */
308 struct obd_import *cl_import;
309 struct semaphore cl_sem;
311 /* max_mds_easize is purely a performance thing so we don't have to
312 * call obd_size_wiremd() all the time. */
313 int cl_max_mds_easize;
314 int cl_max_mds_cookiesize;
317 /* security flavors */
319 unsigned long cl_sec_flags;
321 //struct llog_canceld_ctxt *cl_llcd; /* it's included by obd_llog_ctxt */
322 void *cl_llcd_offset;
324 struct obd_device *cl_mgmtcli_obd;
326 /* the grant values are protected by loi_list_lock below */
327 long cl_dirty; /* all _dirty_ in bytes */
328 long cl_dirty_max; /* allowed w/o rpc */
329 long cl_avail_grant; /* bytes of credit for ost */
330 long cl_lost_grant; /* lost credits (trunc) */
331 struct list_head cl_cache_waiters; /* waiting for cache/grant */
333 /* keep track of objects that have lois that contain pages which
334 * have been queued for async brw. this lock also protects the
335 * lists of osc_client_pages that hang off of the loi */
336 spinlock_t cl_loi_list_lock;
337 struct list_head cl_loi_ready_list;
338 struct list_head cl_loi_write_list;
339 struct list_head cl_loi_read_list;
342 /* just a sum of the loi/lop pending numbers to be exported by /proc */
343 int cl_pending_w_pages;
344 int cl_pending_r_pages;
345 int cl_max_pages_per_rpc;
346 int cl_max_rpcs_in_flight;
347 struct obd_histogram cl_read_rpc_hist;
348 struct obd_histogram cl_write_rpc_hist;
349 struct obd_histogram cl_read_page_hist;
350 struct obd_histogram cl_write_page_hist;
351 struct obd_service_time cl_read_stime;
352 struct obd_service_time cl_write_stime;
353 struct obd_service_time cl_enter_stime;
355 struct mdc_rpc_lock *cl_rpc_lock;
356 struct mdc_rpc_lock *cl_setattr_lock;
357 struct mdc_rpc_lock *cl_close_lock;
358 struct osc_creator cl_oscc;
362 /* Like a client, with some hangers-on. Keep mc_client_obd first so that we
363 * can reuse the various client setup/connect functions. */
365 struct client_obd mc_client_obd; /* nested */
366 struct ptlrpc_thread *mc_ping_thread;
367 struct obd_export *mc_ping_exp; /* XXX single-target */
368 struct list_head mc_registered;
372 #define mc_import mc_client_obd.cl_import
375 struct ptlrpc_service *mds_service;
376 struct ptlrpc_service *mds_setattr_service;
377 struct ptlrpc_service *mds_readpage_service;
378 struct ptlrpc_service *mds_close_service;
379 struct super_block *mds_sb;
380 struct vfsmount *mds_vfsmnt;
381 struct dentry *mds_id_de;
382 struct lvfs_obd_ctxt *mds_lvfs_ctxt;
384 int mds_max_cookiesize;
385 struct file *mds_rcvd_filp;
386 struct file *mds_fid_filp;
387 struct file *mds_virtid_filp;
388 spinlock_t mds_transno_lock;
389 __u64 mds_last_transno;
390 __u64 mds_mount_count;
394 __u64 mds_virtid_fid;
395 spinlock_t mds_last_fid_lock;
397 struct semaphore mds_epoch_sem;
398 struct lustre_id mds_rootid;
399 struct mds_server_data *mds_server_data;
400 struct dentry *mds_pending_dir;
401 struct dentry *mds_logs_dir;
402 struct dentry *mds_objects_dir;
403 struct llog_handle *mds_cfg_llh;
405 struct obd_device *mds_dt_obd;
406 struct obd_uuid mds_dt_uuid;
407 struct obd_export *mds_dt_exp;
409 struct lov_desc mds_dt_desc;
411 spinlock_t mds_dt_lock;
412 obd_id *mds_dt_objids;
413 struct file *mds_dt_objid_filp;
414 int mds_dt_objids_valid;
416 unsigned long *mds_client_bitmap;
417 struct semaphore mds_orphan_recovery_sem;
420 int mds_config_version;
423 struct obd_device *mds_md_obd;
424 struct obd_export *mds_md_exp;
425 struct semaphore mds_md_sem;
426 struct obd_uuid mds_md_uuid;
427 int mds_md_connected;
429 struct ptlrpc_service *mds_create_service;
430 uid_t mds_squash_uid;
431 gid_t mds_squash_gid;
432 ptl_nid_t mds_nosquash_nid;
433 atomic_t mds_real_clients;
434 atomic_t mds_open_count;
435 struct dentry *mds_id_dir;
437 struct dentry *mds_unnamed_dir; /* for mdt_obd_create only */
439 /* security related */
443 /* which secure flavor from remote to this mds is denied */
444 spinlock_t mds_denylist_lock;
445 struct list_head mds_denylist;
447 /* fid->ino mapping related fields */
448 spinlock_t mds_fidmap_lock;
449 struct hlist_head *mds_fidmap_table;
450 unsigned long mds_fidmap_size;
452 /* cache fid extents stuff */
453 spinlock_t mds_fidext_lock;
454 __u64 mds_fidext_thumb;
457 /* capability related */
458 int mds_capa_stat; /* 1: on, 0: off */
459 struct crypto_tfm *mds_capa_hmac;
460 unsigned long mds_capa_timeout; /* sec */
462 struct mds_capa_key mds_capa_keys[2]; /* red & black key */
463 int mds_capa_key_idx; /* the red key index */
464 struct file *mds_capa_keys_filp;
465 unsigned long mds_capa_key_timeout; /* sec */
472 struct lustre_handle eo_nl_lock;
477 * this struct does double-duty acting as either a client or
478 * server instance .. maybe not wise.
482 struct ptlrpc_service *ptlbd_service;
485 struct ptlrpc_client bd_client;
486 struct obd_import *bd_import;
487 struct obd_uuid bd_server_uuid;
488 struct obd_export *bd_exp;
489 int refcount; /* XXX sigh */
493 spinlock_t recovd_lock;
494 struct list_head recovd_managed_items; /* items managed */
495 struct list_head recovd_troubled_items; /* items in recovery */
497 wait_queue_head_t recovd_recovery_waitq;
498 wait_queue_head_t recovd_ctl_waitq;
499 wait_queue_head_t recovd_waitq;
500 struct task_struct *recovd_thread;
506 struct ptlrpc_service *ost_service;
507 struct ptlrpc_service *ost_create_service;
508 struct ptlrpc_service *ost_destroy_service;
509 struct obd_service_time ost_stimes[6];
512 struct echo_client_obd {
513 struct obd_export *ec_exp; /* the local connection to osc/lov */
515 struct list_head ec_objects;
521 struct obd_export *master_exp; /* local connection to master obd */
522 struct obd_export *cache_exp; /* local connection to cache obd */
523 struct obd_export *cache_real_exp;
524 struct obd_export *master_real_exp;
525 struct obd_device *master;
526 struct obd_device *cache;
531 struct semaphore sem;
532 struct lov_desc dt_desc; /* data lovdesc */
536 struct obd_export *cache_exp; /* local connection to cache obd */
537 struct obd_export *master_exp;
538 struct obd_device *cache_obd;
539 struct obd_device *master_obd;
541 struct cmobd_write_service *write_srv;
542 struct lov_desc master_desc; /* master device lovdesc */
546 struct super_block *cfobd_sb;
547 struct vfsmount *cfobd_vfsmnt;
548 struct dentry *cfobd_logs_dir;
549 struct dentry *cfobd_objects_dir;
550 struct dentry *cfobd_pending_dir;
551 struct llog_handle *cfobd_cfg_llh;
552 struct lvfs_obd_ctxt *cfobd_lvfs_ctxt;
555 struct lov_tgt_desc {
556 struct obd_uuid uuid;
558 struct obd_export *ltd_exp;
559 int active; /* is this target up for requests */
564 struct lov_desc desc;
567 int lo_catalog_loaded:1, async:1;
568 struct semaphore lov_llog_sem;
569 unsigned long lov_connect_flags;
570 struct lov_tgt_desc *tgts;
573 struct lmv_tgt_desc {
574 struct obd_uuid uuid;
575 struct obd_export *ltd_exp;
576 int active; /* is this target up for requests */
582 struct lmv_desc desc;
583 struct lmv_tgt_desc *tgts;
584 struct obd_uuid cluuid;
585 struct obd_export *exp;
593 struct semaphore init_sem;
594 struct obd_connect_data conn_data;
596 struct gks_crypto_key {
601 struct ptlrpc_service *gks_service;
602 struct crypto_tfm *gks_mac_tfm;
603 struct crypto_tfm *gks_key_tfm;
604 struct gks_crypto_key gks_key;
607 struct niobuf_local {
612 struct dentry *dentry;
617 #define OBD_MODE_ASYNC (1 << 0)
618 #define OBD_MODE_CROW (1 << 1)
620 /* Don't conflict with on-wire flags OBD_BRW_WRITE, etc */
621 #define N_LOCAL_TEMP_PAGE 0x10000000
623 struct obd_trans_info {
627 /* only used on the server side for tracking acks. */
628 struct oti_req_ack_lock {
629 struct lustre_handle lock;
633 struct llog_cookie oti_onecookie;
634 struct llog_cookie *oti_logcookies;
639 static inline void oti_alloc_cookies(struct obd_trans_info *oti,int num_cookies)
644 if (num_cookies == 1)
645 oti->oti_logcookies = &oti->oti_onecookie;
647 OBD_ALLOC(oti->oti_logcookies,
648 num_cookies * sizeof(oti->oti_onecookie));
650 oti->oti_numcookies = num_cookies;
653 static inline void oti_free_cookies(struct obd_trans_info *oti)
655 if (!oti || !oti->oti_logcookies)
658 if (oti->oti_logcookies == &oti->oti_onecookie)
659 LASSERT(oti->oti_numcookies == 1);
661 OBD_FREE(oti->oti_logcookies,
662 oti->oti_numcookies * sizeof(oti->oti_onecookie));
663 oti->oti_logcookies = NULL;
664 oti->oti_numcookies = 0;
669 LLOG_CONFIG_ORIG_CTXT = 0,
670 LLOG_CONFIG_REPL_CTXT = 1,
671 LLOG_UNLINK_ORIG_CTXT = 2,
672 LLOG_UNLINK_REPL_CTXT = 3,
673 LLOG_SIZE_ORIG_CTXT = 4,
674 LLOG_SIZE_REPL_CTXT = 5,
675 LLOG_MD_ORIG_CTXT = 6,
676 LLOG_MD_REPL_CTXT = 7,
677 LLOG_RD1_ORIG_CTXT = 8,
678 LLOG_RD1_REPL_CTXT = 9,
679 LLOG_TEST_ORIG_CTXT = 10,
680 LLOG_TEST_REPL_CTXT = 11,
681 LLOG_REINT_ORIG_CTXT = 12,
682 LLOG_AUDIT_ORIG_CTXT = 13,
687 struct llog_ctxt *llog_ctxt[LLOG_MAX_CTXTS];
690 struct target_recovery_data {
691 svc_handler_t trd_recovery_handler;
692 pid_t trd_processing_task;
693 struct completion trd_starting;
694 struct completion trd_finishing;
697 /* corresponds to one of the obd's */
699 struct obd_type *obd_type;
701 /* common and UUID name of this device */
703 struct obd_uuid obd_uuid;
706 unsigned int obd_attached:1, obd_set_up:1, obd_recovering:1,
707 obd_abort_recovery:1, obd_replayable:1, obd_no_transno:1,
708 obd_no_recov:1, obd_stopping:1;
709 atomic_t obd_refcount;
710 wait_queue_head_t obd_refcount_waitq;
711 struct proc_dir_entry *obd_proc_entry;
712 struct list_head obd_exports;
714 struct ldlm_namespace *obd_namespace;
715 struct ptlrpc_client obd_ldlm_client; /* XXX OST/MDS only */
716 /* a spinlock is OK for what we do now, may need a semaphore later */
717 spinlock_t obd_dev_lock;
718 __u64 obd_last_committed;
719 struct fsfilt_operations *obd_fsops;
720 spinlock_t obd_osfs_lock;
721 struct obd_statfs obd_osfs;
722 unsigned long obd_osfs_age;
723 struct lvfs_run_ctxt obd_lvfs_ctxt;
724 struct obd_llogs obd_llogs;
725 struct llog_ctxt *obd_llog_ctxt[LLOG_MAX_CTXTS];
726 struct obd_device *obd_observer;
727 struct obd_export *obd_self_export;
729 struct target_recovery_data obd_recovery_data;
730 /* XXX encapsulate all this recovery data into target_recovery_data */
731 int obd_max_recoverable_clients;
732 int obd_connected_clients;
733 int obd_recoverable_clients;
734 spinlock_t obd_processing_task_lock;
735 __u64 obd_next_recovery_transno;
736 int obd_replayed_requests;
737 int obd_replayed_locks;
738 int obd_requests_queued_for_recovery;
739 wait_queue_head_t obd_next_transno_waitq;
740 struct list_head obd_uncommitted_replies;
741 spinlock_t obd_uncommitted_replies_lock;
742 struct timer_list obd_recovery_timer;
743 time_t obd_recovery_start;
744 time_t obd_recovery_end;
746 atomic_t obd_req_replay_clients;
747 atomic_t obd_lock_replay_clients;
749 struct list_head obd_req_replay_queue;
750 struct list_head obd_lock_replay_queue;
751 struct list_head obd_final_req_queue;
752 int obd_recovery_stage;
755 struct filter_obd filter;
757 struct client_obd cli;
759 struct echo_client_obd echocli;
760 struct echo_obd echo;
761 struct recovd_obd recovd;
763 struct cache_obd cobd;
764 struct ptlbd_obd ptlbd;
765 struct mgmtcli_obd mgmtcli;
768 struct conf_obd conf;
772 /* fields used by LProcFS */
773 unsigned int obd_cntr_base;
774 struct lprocfs_stats *obd_stats;
775 unsigned int md_cntr_base;
776 struct lprocfs_stats *md_stats;
778 struct proc_dir_entry *obd_svc_procroot;
779 struct lprocfs_stats *obd_svc_stats;
782 #define OBD_OPT_FORCE (1 << 0)
783 #define OBD_OPT_FAILOVER (1 << 1)
784 #define OBD_OPT_REAL_CLIENT (1 << 2)
785 #define OBD_OPT_MDS_CONNECTION (1 << 3)
787 #define OBD_LLOG_FL_SENDNOW (1 << 0)
788 #define OBD_LLOG_FL_CREATE (1 << 1)
793 struct module *o_owner;
794 int (*o_iocontrol)(unsigned int cmd, struct obd_export *exp, int len,
795 void *karg, void *uarg);
796 int (*o_get_info)(struct obd_export *, __u32 keylen, void *key,
797 __u32 *vallen, void *val);
798 int (*o_set_info)(struct obd_export *, __u32 keylen, void *key,
799 __u32 vallen, void *val);
800 int (*o_attach)(struct obd_device *dev, obd_count len, void *data);
801 int (*o_detach)(struct obd_device *dev);
802 int (*o_setup) (struct obd_device *dev, obd_count len, void *data);
803 int (*o_precleanup)(struct obd_device *dev, int flags);
804 int (*o_cleanup)(struct obd_device *dev, int flags);
805 int (*o_process_config)(struct obd_device *dev, obd_count len,
807 int (*o_postrecov)(struct obd_device *dev);
808 int (*o_add_conn)(struct obd_import *imp, struct obd_uuid *uuid,
810 int (*o_del_conn)(struct obd_import *imp, struct obd_uuid *uuid);
811 int (*o_connect)(struct lustre_handle *conn, struct obd_device *src,
812 struct obd_uuid *cluuid, struct obd_connect_data *data,
813 unsigned long flags);
814 int (*o_connect_post)(struct obd_export *exp, unsigned, unsigned long);
815 int (*o_disconnect)(struct obd_export *exp, unsigned long flags);
817 int (*o_statfs)(struct obd_device *obd, struct obd_statfs *osfs,
818 unsigned long max_age);
819 int (*o_packmd)(struct obd_export *exp, struct lov_mds_md **disk_tgt,
820 struct lov_stripe_md *mem_src);
821 int (*o_unpackmd)(struct obd_export *exp,struct lov_stripe_md **mem_tgt,
822 struct lov_mds_md *disk_src, int disk_len);
823 int (*o_revalidate_md)(struct obd_export *exp, struct obdo *oa,
824 struct lov_stripe_md *ea,
825 struct obd_trans_info *oti);
826 int (*o_preallocate)(struct lustre_handle *, obd_count *req,
828 int (*o_create)(struct obd_export *exp, struct obdo *oa,
829 void *acl, int acl_size,
830 struct lov_stripe_md **ea, struct obd_trans_info *oti);
831 int (*o_destroy)(struct obd_export *exp, struct obdo *oa,
832 struct lov_stripe_md *ea, struct obd_trans_info *oti);
833 int (*o_setattr)(struct obd_export *exp, struct obdo *oa,
834 struct lov_stripe_md *ea, struct obd_trans_info *oti);
835 int (*o_getattr)(struct obd_export *exp, struct obdo *oa,
836 struct lov_stripe_md *ea);
837 int (*o_getattr_async)(struct obd_export *exp, struct obdo *oa,
838 struct lov_stripe_md *ea,
839 struct ptlrpc_request_set *set);
840 int (*o_brw)(int rw, struct obd_export *exp, struct obdo *oa,
841 struct lov_stripe_md *ea, obd_count oa_bufs,
842 struct brw_page *pgarr, struct obd_trans_info *oti);
843 int (*o_brw_async)(int rw, struct obd_export *exp, struct obdo *oa,
844 struct lov_stripe_md *ea, obd_count oa_bufs,
845 struct brw_page *pgarr, struct ptlrpc_request_set *,
846 struct obd_trans_info *oti);
847 int (*o_prep_async_page)(struct obd_export *exp,
848 struct lov_stripe_md *lsm,
849 struct lov_oinfo *loi,
850 struct page *page, obd_off offset,
851 struct obd_async_page_ops *ops, void *data,
853 int (*o_queue_async_io)(struct obd_export *exp,
854 struct lov_stripe_md *lsm,
855 struct lov_oinfo *loi, void *cookie,
856 int cmd, obd_off off, int count,
857 obd_flags brw_flags, obd_flags async_flags);
858 int (*o_queue_group_io)(struct obd_export *exp,
859 struct lov_stripe_md *lsm,
860 struct lov_oinfo *loi,
861 struct obd_io_group *oig,
862 void *cookie, int cmd, obd_off off, int count,
863 obd_flags brw_flags, obd_flags async_flags);
864 int (*o_trigger_group_io)(struct obd_export *exp,
865 struct lov_stripe_md *lsm,
866 struct lov_oinfo *loi,
867 struct obd_io_group *oig);
868 int (*o_set_async_flags)(struct obd_export *exp,
869 struct lov_stripe_md *lsm,
870 struct lov_oinfo *loi, void *cookie,
871 obd_flags async_flags);
872 int (*o_teardown_async_page)(struct obd_export *exp,
873 struct lov_stripe_md *lsm,
874 struct lov_oinfo *loi, void *cookie);
875 int (*o_adjust_kms)(struct obd_export *exp, struct lov_stripe_md *lsm,
876 obd_off size, int shrink);
877 int (*o_punch)(struct obd_export *exp, struct obdo *oa,
878 struct lov_stripe_md *ea, obd_size start,
879 obd_size end, struct obd_trans_info *oti,
880 struct lustre_capa *capa);
881 int (*o_sync)(struct obd_export *exp, struct obdo *oa,
882 struct lov_stripe_md *ea, obd_size start, obd_size end);
883 int (*o_migrate)(struct lustre_handle *conn, struct lov_stripe_md *dst,
884 struct lov_stripe_md *src, obd_size start,
885 obd_size end, struct obd_trans_info *oti);
886 int (*o_copy)(struct lustre_handle *dstconn, struct lov_stripe_md *dst,
887 struct lustre_handle *srconn, struct lov_stripe_md *src,
888 obd_size start, obd_size end, struct obd_trans_info *);
889 int (*o_iterate)(struct lustre_handle *conn,
890 int (*)(obd_id, obd_gr, void *),
891 obd_id *startid, obd_gr group, void *data);
892 int (*o_preprw)(int cmd, struct obd_export *exp, struct obdo *oa,
893 int objcount, struct obd_ioobj *obj,
894 int niocount, struct niobuf_remote *remote,
895 struct niobuf_local *local, struct obd_trans_info *oti,
896 struct lustre_capa *capa);
897 int (*o_commitrw)(int cmd, struct obd_export *exp, struct obdo *oa,
898 int objcount, struct obd_ioobj *obj,
899 int niocount, struct niobuf_local *local,
900 struct obd_trans_info *oti, int rc);
901 int (*o_do_cow)(struct obd_export *exp, struct obd_ioobj *obj,
902 int objcount, struct niobuf_remote *rnb);
903 int (*o_write_extents)(struct obd_export *exp, struct obd_ioobj *obj,
904 int objcount, int niocount,
905 struct niobuf_local *local,int rc);
906 int (*o_enqueue)(struct obd_export *, struct lov_stripe_md *,
907 __u32 type, ldlm_policy_data_t *, __u32 mode,
908 int *flags, void *bl_cb, void *cp_cb, void *gl_cb,
909 void *data, __u32 lvb_len, void *lvb_swabber,
910 struct lustre_handle *lockh);
911 int (*o_match)(struct obd_export *, struct lov_stripe_md *, __u32 type,
912 ldlm_policy_data_t *, __u32 mode, int *flags, void *data,
913 struct lustre_handle *lockh);
914 int (*o_change_cbdata)(struct obd_export *, struct lov_stripe_md *,
915 ldlm_iterator_t it, void *data);
916 int (*o_cancel)(struct obd_export *, struct lov_stripe_md *md,
917 __u32 mode, struct lustre_handle *);
918 int (*o_cancel_unused)(struct obd_export *, struct lov_stripe_md *,
919 int flags, void *opaque);
920 int (*o_san_preprw)(int cmd, struct obd_export *exp,
921 struct obdo *oa, int objcount,
922 struct obd_ioobj *obj, int niocount,
923 struct niobuf_remote *remote);
924 int (*o_init_export)(struct obd_export *exp);
925 int (*o_destroy_export)(struct obd_export *exp);
927 /* llog related obd_methods */
928 int (*o_llog_init)(struct obd_device *, struct obd_llogs *,
929 struct obd_device *, int, struct llog_catid *);
930 int (*o_llog_finish)(struct obd_device *, struct obd_llogs *, int);
931 int (*o_llog_connect)(struct obd_export *, struct llogd_conn_body *);
934 /* metadata-only methods */
935 int (*o_pin)(struct obd_export *, obd_id ino, __u32 gen, int type,
936 struct obd_client_handle *, int flag);
937 int (*o_unpin)(struct obd_export *, struct obd_client_handle *, int);
939 int (*o_import_event)(struct obd_device *, struct obd_import *,
940 enum obd_import_event);
942 int (*o_notify)(struct obd_device *obd, struct obd_device *watched,
943 int active, void *data);
945 int (*o_init_ea_size)(struct obd_export *, int, int);
948 * NOTE: If adding ops, add another LPROCFS_OBD_OP_INIT() line
949 * to lprocfs_alloc_obd_stats() in obdclass/lprocfs_status.c.
950 * Also, add a wrapper function in include/linux/obd_class.h.
955 int (*m_getstatus)(struct obd_export *, struct lustre_id *);
956 int (*m_change_cbdata)(struct obd_export *, struct lustre_id *,
957 ldlm_iterator_t, void *);
958 int (*m_change_cbdata_name)(struct obd_export *, struct lustre_id *,
959 char *, int, struct lustre_id *,
960 ldlm_iterator_t, void *);
961 int (*m_close)(struct obd_export *, struct obdo *,
962 struct obd_client_handle *,
963 struct ptlrpc_request **);
964 int (*m_create)(struct obd_export *, struct mdc_op_data *,
965 const void *, int, int, __u32, __u32,
966 __u64, struct ptlrpc_request **);
967 int (*m_done_writing)(struct obd_export *, struct obdo *);
968 int (*m_enqueue)(struct obd_export *, int, struct lookup_intent *,
969 int, struct mdc_op_data *, struct lustre_handle *,
970 void *, int, ldlm_completion_callback,
971 ldlm_blocking_callback, void *);
972 int (*m_getattr)(struct obd_export *, struct lustre_id *,
973 __u64, const char *, const void *, unsigned int,
974 unsigned int, struct obd_capa *,
975 struct ptlrpc_request **);
976 int (*m_access_check)(struct obd_export *, struct lustre_id *,
977 struct ptlrpc_request **);
978 int (*m_getattr_lock)(struct obd_export *, struct lustre_id *,
980 unsigned int, struct ptlrpc_request **);
981 int (*m_intent_lock)(struct obd_export *,
982 struct lustre_id *, const char *, int,
983 void *, int, struct lustre_id *,
984 struct lookup_intent *, int,
985 struct ptlrpc_request **,
986 ldlm_blocking_callback);
987 int (*m_link)(struct obd_export *, struct mdc_op_data *,
988 struct ptlrpc_request **);
989 int (*m_rename)(struct obd_export *, struct mdc_op_data *,
990 const char *, int, const char *, int,
991 struct ptlrpc_request **);
992 int (*m_setattr)(struct obd_export *, struct mdc_op_data *,
993 struct iattr *, void *, int , void *, int,
994 void *, int, struct ptlrpc_request **);
995 int (*m_sync)(struct obd_export *, struct lustre_id *,
996 struct ptlrpc_request **);
997 int (*m_readpage)(struct obd_export *, struct lustre_id *,
998 __u64, struct page *, struct ptlrpc_request **);
999 int (*m_unlink)(struct obd_export *, struct mdc_op_data *,
1000 struct ptlrpc_request **);
1001 int (*m_valid_attrs)(struct obd_export *, struct lustre_id *);
1003 struct obd_device *(*m_get_real_obd)(struct obd_export *, struct lustre_id *);
1005 int (*m_req2lustre_md)(struct obd_export *exp,
1006 struct ptlrpc_request *req, unsigned int offset,
1007 struct obd_export *osc_exp, struct lustre_md *md);
1008 int (*m_set_open_replay_data)(struct obd_export *exp,
1009 struct obd_client_handle *och,
1010 struct ptlrpc_request *open_req);
1011 int (*m_clear_open_replay_data)(struct obd_export *exp,
1012 struct obd_client_handle *och);
1013 int (*m_store_inode_generation)(struct obd_export *exp,
1014 struct ptlrpc_request *req, int reqoff,
1016 int (*m_set_lock_data)(struct obd_export *exp, __u64 *l, void *data);
1018 int (*m_delete_inode)(struct obd_export *, struct lustre_id *);
1021 * NOTE: If adding ops, add another LPROCFS_MD_OP_INIT() line to
1022 * lprocfs_alloc_md_stats() in obdclass/lprocfs_status.c. Also, add a
1023 * wrapper function in include/linux/obd_class.h.
1027 static inline void obd_transno_commit_cb(struct obd_device *obd,
1028 __u64 transno, int error)
1031 CERROR("%s: transno "LPD64" commit error: %d\n",
1032 obd->obd_name, transno, error);
1036 CDEBUG(D_HA, "%s: transno "LPD64" committed\n",
1037 obd->obd_name, transno);
1039 if (transno > obd->obd_last_committed) {
1040 obd->obd_last_committed = transno;
1041 ptlrpc_commit_replies (obd);
1045 static inline int obd_md_type(struct obd_device *obd)
1047 if (!strcmp(obd->obd_type->typ_name, OBD_MDC_DEVICENAME) ||
1048 !strcmp(obd->obd_type->typ_name, OBD_LMV_DEVICENAME))
1054 static inline int obd_dt_type(struct obd_device *obd)
1056 if (!strcmp(obd->obd_type->typ_name, OBD_LOV_DEVICENAME) ||
1057 !strcmp(obd->obd_type->typ_name, OBD_OSC_DEVICENAME))
1063 #endif /* __OBD_H */