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_MAX_NR 50
18 #define IOC_MDC_TYPE 'i'
19 #define IOC_MDC_MIN_NR 20
20 #define IOC_MDC_LOOKUP _IOWR(IOC_MDC_TYPE, 20, struct obd_device *)
21 #define IOC_MDC_GETSTRIPE _IOWR(IOC_MDC_TYPE, 21, struct lov_mds_md *)
22 #define IOC_MDC_MAX_NR 50
25 # include <linux/fs.h>
26 # include <linux/list.h>
27 # include <linux/sched.h> /* for struct task_struct, for current.h */
28 # include <asm/current.h> /* for smp_lock.h */
29 # include <linux/smp_lock.h>
30 # include <linux/proc_fs.h>
31 # include <linux/mount.h>
34 #include <linux/lustre_lib.h>
35 #include <linux/lustre_idl.h>
36 #include <linux/lustre_export.h>
38 /* this is really local to the OSC */
39 struct loi_oap_pages {
40 struct list_head lop_pending;
42 struct list_head lop_urgent;
43 struct list_head lop_pending_group;
46 struct lov_oinfo { /* per-stripe data structure */
47 __u64 loi_id; /* object ID on the target OST */
48 __u64 loi_gr; /* object group on the target OST */
49 int loi_ost_idx; /* OST stripe index in lov_tgt_desc->tgts */
50 int loi_ost_gen; /* generation of this loi_ost_idx */
52 /* used by the osc to keep track of what objects to build into rpcs */
53 struct loi_oap_pages loi_read_lop;
54 struct loi_oap_pages loi_write_lop;
55 /* _cli_ is poorly named, it should be _ready_ */
56 struct list_head loi_cli_item;
57 struct list_head loi_write_item;
59 __u64 loi_kms; /* known minimum size */
60 __u64 loi_rss; /* recently seen size */
61 __u64 loi_mtime; /* recently seen mtime */
64 static inline void loi_init(struct lov_oinfo *loi)
66 INIT_LIST_HEAD(&loi->loi_read_lop.lop_pending);
67 INIT_LIST_HEAD(&loi->loi_read_lop.lop_urgent);
68 INIT_LIST_HEAD(&loi->loi_read_lop.lop_pending_group);
69 INIT_LIST_HEAD(&loi->loi_write_lop.lop_pending);
70 INIT_LIST_HEAD(&loi->loi_write_lop.lop_urgent);
71 INIT_LIST_HEAD(&loi->loi_write_lop.lop_pending_group);
72 INIT_LIST_HEAD(&loi->loi_cli_item);
73 INIT_LIST_HEAD(&loi->loi_write_item);
76 struct lov_stripe_md {
78 __u64 lsm_object_id; /* lov object id */
79 __u64 lsm_object_gr; /* lov object id */
82 /* LOV-private members start here -- only for use in lov/. */
84 __u32 lsm_stripe_size; /* size of the stripe */
85 __u32 lsm_pattern; /* striping pattern (RAID0, RAID1) */
86 unsigned lsm_stripe_count; /* number of objects being striped over */
87 struct lov_oinfo lsm_oinfo[0];
91 struct list_head typ_chain;
92 struct obd_ops *typ_ops;
93 struct proc_dir_entry *typ_procroot;
106 ASYNC_READY = 0x1, /* ap_make_ready will not be called before this
107 page is added to an rpc */
109 ASYNC_COUNT_STABLE = 0x4, /* ap_refresh_count will not be called
110 to give the caller a chance to update
111 or cancel the size of the io */
112 ASYNC_GROUP_SYNC = 0x8, /* ap_completion will not be called, instead
113 the page is accounted for in the
114 obd_io_group given to
115 obd_queue_group_io */
118 struct obd_async_page_ops {
119 int (*ap_make_ready)(void *data, int cmd);
120 int (*ap_refresh_count)(void *data, int cmd);
121 void (*ap_fill_obdo)(void *data, int cmd, struct obdo *oa);
122 void (*ap_completion)(void *data, int cmd, int rc);
125 /* the `oig' is passed down from a caller of obd rw methods. the callee
126 * records enough state such that the caller can sleep on the oig and
127 * be woken when all the callees have finished their work */
128 struct obd_io_group {
130 atomic_t oig_refcount;
133 struct list_head oig_occ_list;
134 wait_queue_head_t oig_waitq;
137 /* the oig callback context lets the callee of obd rw methods register
138 * for callbacks from the caller. */
139 struct oig_callback_context {
140 struct list_head occ_oig_item;
141 /* called when the caller has received a signal while sleeping.
142 * callees of this method are encouraged to abort their state
143 * in the oig. This may be called multiple times. */
144 void (*occ_interrupted)(struct oig_callback_context *occ);
147 /* if we find more consumers this could be generalized */
148 #define OBD_HIST_MAX 32
149 struct obd_histogram {
151 unsigned long oh_buckets[OBD_HIST_MAX];
154 /* Individual type definitions */
156 struct ost_server_data;
159 const char *fo_fstype;
160 struct super_block *fo_sb;
161 struct vfsmount *fo_vfsmnt;
162 struct dentry *fo_dentry_O;
163 struct dentry **fo_dentry_O_groups;
164 struct dentry **fo_dentry_O_sub;
165 spinlock_t fo_objidlock; /* protect fo_lastobjid increment */
166 spinlock_t fo_translock; /* protect fsd_last_rcvd increment */
167 struct file *fo_rcvd_filp;
168 struct filter_server_data *fo_fsd;
169 unsigned long *fo_last_rcvd_slots;
170 __u64 fo_mount_count;
172 struct file_operations *fo_fop;
173 struct inode_operations *fo_iop;
174 struct address_space_operations *fo_aops;
176 struct list_head fo_export_list;
178 obd_size fo_tot_dirty; /* protected by obd_osfs_lock */
179 obd_size fo_tot_granted; /* all values in bytes */
180 obd_size fo_tot_pending;
182 obd_size fo_readcache_max_filesize;
184 struct obd_import *fo_mdc_imp;
185 struct obd_uuid fo_mdc_uuid;
186 struct lustre_handle fo_mdc_conn;
188 struct ptlrpc_client fo_mdc_client;
190 struct file **fo_last_objid_files;
191 __u64 *fo_last_objids; /* last created objid for groups */
193 struct semaphore fo_alloc_lock;
195 struct obd_histogram fo_r_pages;
196 struct obd_histogram fo_w_pages;
197 struct obd_histogram fo_r_discont_pages;
198 struct obd_histogram fo_w_discont_pages;
199 struct obd_histogram fo_r_discont_blocks;
200 struct obd_histogram fo_w_discont_blocks;
203 struct mds_server_data;
205 #define OSC_MAX_RIF_DEFAULT 4
206 #define OSC_MAX_RIF_MAX 32
207 #define OSC_MAX_DIRTY_DEFAULT 4
208 #define OSC_MAX_DIRTY_MB_MAX 256 /* totally arbitrary */
212 struct obd_import *cl_import;
213 struct semaphore cl_sem;
215 /* max_mds_easize is purely a performance thing so we don't have to
216 * call obd_size_wiremd() all the time. */
217 int cl_max_mds_easize;
218 int cl_max_mds_cookiesize;
221 //struct llog_canceld_ctxt *cl_llcd; /* it's included by obd_llog_ctxt */
222 void *cl_llcd_offset;
224 struct obd_device *cl_mgmtcli_obd;
226 /* the grant values are protected by loi_list_lock below */
227 long cl_dirty; /* all _dirty_ in bytes */
228 long cl_dirty_max; /* allowed w/o rpc */
229 long cl_avail_grant; /* bytes of credit for ost */
230 long cl_lost_grant; /* lost credits (trunc) */
231 struct list_head cl_cache_waiters; /* waiting for cache/grant */
233 /* keep track of objects that have lois that contain pages which
234 * have been queued for async brw. this lock also protects the
235 * lists of osc_client_pages that hang off of the loi */
236 spinlock_t cl_loi_list_lock;
237 struct list_head cl_loi_ready_list;
238 struct list_head cl_loi_write_list;
239 int cl_brw_in_flight;
240 /* just a sum of the loi/lop pending numbers to be exported by /proc */
241 int cl_pending_w_pages;
242 int cl_pending_r_pages;
243 int cl_max_pages_per_rpc;
244 int cl_max_rpcs_in_flight;
245 struct obd_histogram cl_read_rpc_hist;
246 struct obd_histogram cl_write_rpc_hist;
247 struct obd_histogram cl_read_page_hist;
248 struct obd_histogram cl_write_page_hist;
250 struct mdc_rpc_lock *cl_rpc_lock;
251 struct mdc_rpc_lock *cl_setattr_lock;
254 /* Like a client, with some hangers-on. Keep mc_client_obd first so that we
255 * can reuse the various client setup/connect functions. */
257 struct client_obd mc_client_obd; /* nested */
258 struct ptlrpc_thread *mc_ping_thread;
259 struct obd_export *mc_ping_exp; /* XXX single-target */
260 struct list_head mc_registered;
264 #define mc_import mc_client_obd.cl_import
267 struct ptlrpc_service *mds_service;
268 struct ptlrpc_service *mds_setattr_service;
269 struct ptlrpc_service *mds_readpage_service;
270 struct super_block *mds_sb;
271 struct vfsmount *mds_vfsmnt;
272 struct dentry *mds_fid_de;
274 int mds_max_cookiesize;
275 struct file *mds_rcvd_filp;
276 spinlock_t mds_transno_lock;
277 __u64 mds_last_transno;
278 __u64 mds_mount_count;
280 struct semaphore mds_epoch_sem;
281 struct ll_fid mds_rootfid;
282 struct mds_server_data *mds_server_data;
283 struct dentry *mds_pending_dir;
284 struct dentry *mds_logs_dir;
285 struct dentry *mds_objects_dir;
286 struct llog_handle *mds_cfg_llh;
287 // struct llog_handle *mds_catalog;
288 struct obd_device *mds_osc_obd; /* XXX lov_obd */
289 struct obd_uuid mds_lov_uuid;
291 struct obd_export *mds_osc_exp; /* XXX lov_exp */
292 int mds_has_lov_desc;
293 struct lov_desc mds_lov_desc;
294 obd_id *mds_lov_objids;
295 int mds_lov_objids_valid;
296 int mds_lov_nextid_set;
297 struct file *mds_lov_objid_filp;
298 unsigned long *mds_client_bitmap;
299 struct semaphore mds_orphan_recovery_sem;
301 atomic_t mds_open_count;
318 * this struct does double-duty acting as either a client or
319 * server instance .. maybe not wise.
323 struct ptlrpc_service *ptlbd_service;
326 struct ptlrpc_client bd_client;
327 struct obd_import *bd_import;
328 struct obd_uuid bd_server_uuid;
329 struct obd_export *bd_exp;
330 int refcount; /* XXX sigh */
334 spinlock_t recovd_lock;
335 struct list_head recovd_managed_items; /* items managed */
336 struct list_head recovd_troubled_items; /* items in recovery */
338 wait_queue_head_t recovd_recovery_waitq;
339 wait_queue_head_t recovd_ctl_waitq;
340 wait_queue_head_t recovd_waitq;
341 struct task_struct *recovd_thread;
346 struct ptlrpc_service *ost_service;
347 struct ptlrpc_service *ost_create_service;
350 struct echo_client_obd {
351 struct obd_export *ec_exp; /* the local connection to osc/lov */
353 struct list_head ec_objects;
359 struct obd_export *cobd_target_exp;/* local connection to target obd */
360 struct obd_export *cobd_cache_exp; /* local connection to cache obd */
363 struct lov_tgt_desc {
364 struct obd_uuid uuid;
365 struct obd_export *ltd_exp;
366 int active; /* is this target up for requests */
371 struct lov_desc desc;
374 int lo_catalog_loaded:1;
375 struct lov_tgt_desc *tgts;
378 struct niobuf_local {
383 struct dentry *dentry;
389 /* Don't conflict with on-wire flags OBD_BRW_WRITE, etc */
390 #define N_LOCAL_TEMP_PAGE 0x10000000
392 struct obd_trans_info {
395 /* Only used on the server side for tracking acks. */
396 struct oti_req_ack_lock {
397 struct lustre_handle lock;
401 struct llog_cookie oti_onecookie;
402 struct llog_cookie *oti_logcookies;
406 static inline void oti_alloc_cookies(struct obd_trans_info *oti,int num_cookies)
411 if (num_cookies == 1)
412 oti->oti_logcookies = &oti->oti_onecookie;
414 OBD_ALLOC(oti->oti_logcookies,
415 num_cookies * sizeof(oti->oti_onecookie));
417 oti->oti_numcookies = num_cookies;
420 static inline void oti_free_cookies(struct obd_trans_info *oti)
422 if (!oti || !oti->oti_logcookies)
425 if (oti->oti_logcookies == &oti->oti_onecookie)
426 LASSERT(oti->oti_numcookies == 1);
428 OBD_FREE(oti->oti_logcookies,
429 oti->oti_numcookies * sizeof(oti->oti_onecookie));
430 oti->oti_logcookies = NULL;
431 oti->oti_numcookies = 0;
436 LLOG_CONFIG_ORIG_CTXT = 0,
437 LLOG_CONFIG_REPL_CTXT = 1,
438 LLOG_UNLINK_ORIG_CTXT = 2,
439 LLOG_UNLINK_REPL_CTXT = 3,
440 LLOG_SIZE_ORIG_CTXT = 4,
441 LLOG_SIZE_REPL_CTXT = 5,
442 LLOG_MD_ORIG_CTXT = 6,
443 LLOG_MD_REPL_CTXT = 7,
444 LLOG_RD1_ORIG_CTXT = 8,
445 LLOG_RD1_REPL_CTXT = 9,
446 LLOG_TEST_ORIG_CTXT = 10,
447 LLOG_TEST_REPL_CTXT = 11,
452 /* corresponds to one of the obd's */
454 struct obd_type *obd_type;
456 /* common and UUID name of this device */
458 struct obd_uuid obd_uuid;
461 int obd_attached:1, obd_set_up:1, obd_recovering:1,
462 obd_abort_recovery:1, obd_replayable:1, obd_no_transno:1,
463 obd_no_recov:1, obd_stopping:1;
464 atomic_t obd_refcount;
465 wait_queue_head_t obd_refcount_waitq;
466 struct proc_dir_entry *obd_proc_entry;
467 struct list_head obd_exports;
469 struct ldlm_namespace *obd_namespace;
470 struct ptlrpc_client obd_ldlm_client; /* XXX OST/MDS only */
471 /* a spinlock is OK for what we do now, may need a semaphore later */
472 spinlock_t obd_dev_lock;
473 __u64 obd_last_committed;
474 struct fsfilt_operations *obd_fsops;
475 spinlock_t obd_osfs_lock;
476 struct llog_ctxt *obd_llog_ctxt[LLOG_MAX_CTXTS];
477 struct obd_statfs obd_osfs;
478 unsigned long obd_osfs_age;
479 struct obd_run_ctxt obd_ctxt;
480 struct obd_device *obd_observer;
481 struct obd_export *obd_self_export;
483 /* XXX encapsulate all this recovery data into one struct */
484 svc_handler_t obd_recovery_handler;
485 int obd_max_recoverable_clients;
486 int obd_connected_clients;
487 int obd_recoverable_clients;
488 spinlock_t obd_processing_task_lock;
489 pid_t obd_processing_task;
490 __u64 obd_next_recovery_transno;
491 int obd_replayed_requests;
492 int obd_requests_queued_for_recovery;
493 wait_queue_head_t obd_next_transno_waitq;
494 struct list_head obd_uncommitted_replies;
495 spinlock_t obd_uncommitted_replies_lock;
496 struct timer_list obd_recovery_timer;
497 struct list_head obd_recovery_queue;
498 struct list_head obd_delayed_reply_queue;
501 struct filter_obd filter;
503 struct client_obd cli;
505 struct echo_client_obd echo_client;
506 struct echo_obd echo;
507 struct recovd_obd recovd;
509 struct cache_obd cobd;
510 struct ptlbd_obd ptlbd;
511 struct mgmtcli_obd mgmtcli;
513 /* Fields used by LProcFS */
514 unsigned int obd_cntr_base;
515 struct lprocfs_stats *obd_stats;
516 struct proc_dir_entry *obd_svc_procroot;
517 struct lprocfs_stats *obd_svc_stats;
520 #define OBD_OPT_FORCE 0x0001
521 #define OBD_OPT_FAILOVER 0x0002
523 #define OBD_LLOG_FL_SENDNOW 0x0001
526 struct module *o_owner;
527 int (*o_iocontrol)(unsigned int cmd, struct obd_export *exp, int len,
528 void *karg, void *uarg);
529 int (*o_get_info)(struct obd_export *, __u32 keylen, void *key,
530 __u32 *vallen, void *val);
531 int (*o_set_info)(struct obd_export *, __u32 keylen, void *key,
532 __u32 vallen, void *val);
533 int (*o_attach)(struct obd_device *dev, obd_count len, void *data);
534 int (*o_detach)(struct obd_device *dev);
535 int (*o_setup) (struct obd_device *dev, obd_count len, void *data);
536 int (*o_precleanup)(struct obd_device *dev, int flags);
537 int (*o_cleanup)(struct obd_device *dev, int flags);
538 int (*o_postrecov)(struct obd_device *dev);
539 int (*o_connect)(struct lustre_handle *conn, struct obd_device *src,
540 struct obd_uuid *cluuid);
541 int (*o_disconnect)(struct obd_export *exp, int flags);
543 int (*o_statfs)(struct obd_device *obd, struct obd_statfs *osfs,
544 unsigned long max_age);
545 int (*o_packmd)(struct obd_export *exp, struct lov_mds_md **disk_tgt,
546 struct lov_stripe_md *mem_src);
547 int (*o_unpackmd)(struct obd_export *exp,struct lov_stripe_md **mem_tgt,
548 struct lov_mds_md *disk_src, int disk_len);
549 int (*o_preallocate)(struct lustre_handle *, obd_count *req,
551 int (*o_create)(struct obd_export *exp, struct obdo *oa,
552 struct lov_stripe_md **ea, struct obd_trans_info *oti);
553 int (*o_destroy)(struct obd_export *exp, struct obdo *oa,
554 struct lov_stripe_md *ea, struct obd_trans_info *oti);
555 int (*o_setattr)(struct obd_export *exp, struct obdo *oa,
556 struct lov_stripe_md *ea, struct obd_trans_info *oti);
557 int (*o_getattr)(struct obd_export *exp, struct obdo *oa,
558 struct lov_stripe_md *ea);
559 int (*o_getattr_async)(struct obd_export *exp, struct obdo *oa,
560 struct lov_stripe_md *ea,
561 struct ptlrpc_request_set *set);
562 int (*o_brw)(int rw, struct obd_export *exp, struct obdo *oa,
563 struct lov_stripe_md *ea, obd_count oa_bufs,
564 struct brw_page *pgarr, struct obd_trans_info *oti);
565 int (*o_brw_async)(int rw, struct obd_export *exp, struct obdo *oa,
566 struct lov_stripe_md *ea, obd_count oa_bufs,
567 struct brw_page *pgarr, struct ptlrpc_request_set *,
568 struct obd_trans_info *oti);
569 int (*o_prep_async_page)(struct obd_export *exp,
570 struct lov_stripe_md *lsm,
571 struct lov_oinfo *loi,
572 struct page *page, obd_off offset,
573 struct obd_async_page_ops *ops, void *data,
575 int (*o_queue_async_io)(struct obd_export *exp,
576 struct lov_stripe_md *lsm,
577 struct lov_oinfo *loi, void *cookie,
578 int cmd, obd_off off, int count,
579 obd_flag brw_flags, obd_flag async_flags);
580 int (*o_queue_group_io)(struct obd_export *exp,
581 struct lov_stripe_md *lsm,
582 struct lov_oinfo *loi,
583 struct obd_io_group *oig,
584 void *cookie, int cmd, obd_off off, int count,
585 obd_flag brw_flags, obd_flag async_flags);
586 int (*o_trigger_group_io)(struct obd_export *exp,
587 struct lov_stripe_md *lsm,
588 struct lov_oinfo *loi,
589 struct obd_io_group *oig);
590 int (*o_set_async_flags)(struct obd_export *exp,
591 struct lov_stripe_md *lsm,
592 struct lov_oinfo *loi, void *cookie,
593 obd_flag async_flags);
594 int (*o_teardown_async_page)(struct obd_export *exp,
595 struct lov_stripe_md *lsm,
596 struct lov_oinfo *loi, void *cookie);
597 int (*o_punch)(struct obd_export *exp, struct obdo *oa,
598 struct lov_stripe_md *ea, obd_size start,
599 obd_size end, struct obd_trans_info *oti);
600 int (*o_sync)(struct obd_export *exp, struct obdo *oa,
601 struct lov_stripe_md *ea, obd_size start, obd_size end);
602 int (*o_migrate)(struct lustre_handle *conn, struct lov_stripe_md *dst,
603 struct lov_stripe_md *src, obd_size start,
604 obd_size end, struct obd_trans_info *oti);
605 int (*o_copy)(struct lustre_handle *dstconn, struct lov_stripe_md *dst,
606 struct lustre_handle *srconn, struct lov_stripe_md *src,
607 obd_size start, obd_size end, struct obd_trans_info *);
608 int (*o_iterate)(struct lustre_handle *conn,
609 int (*)(obd_id, obd_gr, void *),
610 obd_id *startid, obd_gr group, void *data);
611 int (*o_preprw)(int cmd, struct obd_export *exp, struct obdo *oa,
612 int objcount, struct obd_ioobj *obj,
613 int niocount, struct niobuf_remote *remote,
614 struct niobuf_local *local, struct obd_trans_info *oti);
615 int (*o_commitrw)(int cmd, struct obd_export *exp, struct obdo *oa,
616 int objcount, struct obd_ioobj *obj,
617 int niocount, struct niobuf_local *local,
618 struct obd_trans_info *oti);
619 int (*o_enqueue)(struct obd_export *, struct lov_stripe_md *,
620 __u32 type, ldlm_policy_data_t *, __u32 mode,
621 int *flags, void *bl_cb, void *cp_cb, void *gl_cb,
622 void *data, __u32 lvb_len, void *lvb_swabber,
623 struct lustre_handle *lockh);
624 int (*o_match)(struct obd_export *, struct lov_stripe_md *, __u32 type,
625 ldlm_policy_data_t *, __u32 mode, int *flags, void *data,
626 struct lustre_handle *lockh);
627 int (*o_change_cbdata)(struct obd_export *, struct lov_stripe_md *,
628 ldlm_iterator_t it, void *data);
629 int (*o_cancel)(struct obd_export *, struct lov_stripe_md *md,
630 __u32 mode, struct lustre_handle *);
631 int (*o_cancel_unused)(struct obd_export *, struct lov_stripe_md *,
632 int flags, void *opaque);
633 int (*o_san_preprw)(int cmd, struct obd_export *exp,
634 struct obdo *oa, int objcount,
635 struct obd_ioobj *obj, int niocount,
636 struct niobuf_remote *remote);
637 int (*o_init_export)(struct obd_export *exp);
638 int (*o_destroy_export)(struct obd_export *exp);
640 /* llog related obd_methods */
641 int (*o_llog_init)(struct obd_device *obd, struct obd_device *disk_obd,
642 int count, struct llog_logid *logid);
643 int (*o_llog_finish)(struct obd_device *obd, int count);
645 /* metadata-only methods */
646 int (*o_pin)(struct obd_export *, obd_id ino, __u32 gen, int type,
647 struct obd_client_handle *, int flag);
648 int (*o_unpin)(struct obd_export *, struct obd_client_handle *, int);
650 int (*o_invalidate_import)(struct obd_device *, struct obd_import *);
652 int (*o_notify)(struct obd_device *obd, struct obd_device *watched,
655 * NOTE: If adding ops, add another LPROCFS_OBD_OP_INIT() line
656 * to lprocfs_alloc_obd_stats() in obdclass/lprocfs_status.c.
657 * Also, add a wrapper function in include/linux/obd_class.h.
662 static inline void obd_transno_commit_cb(struct obd_device *obd, __u64 transno,
666 CERROR("%s: transno "LPD64" commit error: %d\n",
667 obd->obd_name, transno, error);
670 CDEBUG(D_HA, "%s: transno "LPD64" committed\n",
671 obd->obd_name, transno);
672 if (transno > obd->obd_last_committed) {
673 obd->obd_last_committed = transno;
674 ptlrpc_commit_replies (obd);