1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 only,
10 * as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License version 2 for more details (a copy is included
16 * in the LICENSE file that accompanied this code).
18 * You should have received a copy of the GNU General Public License
19 * version 2 along with this program; If not, see
20 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
29 * Copyright 2008 Sun Microsystems, Inc. All rights reserved
30 * Use is subject to license terms.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
40 # include <liblustre.h>
43 #include <obd_support.h>
44 #include <lustre_import.h>
45 #include <lustre_net.h>
47 #include <lustre_lib.h>
48 #include <lustre/lustre_idl.h>
49 #include <lprocfs_status.h>
51 #if defined(__linux__)
52 #include <linux/obd_class.h>
53 #elif defined(__APPLE__)
54 #include <darwin/obd_class.h>
55 #elif defined(__WINNT__)
56 #include <winnt/obd_class.h>
58 #error Unsupported operating system.
61 /* OBD Device Declarations */
62 extern struct obd_device *obd_devs[MAX_OBD_DEVICES];
63 extern cfs_spinlock_t obd_dev_lock;
65 /* OBD Operations Declarations */
66 extern struct obd_device *class_conn2obd(struct lustre_handle *);
67 extern struct obd_device *class_exp2obd(struct obd_export *);
69 struct lu_device_type;
72 struct obd_export *class_conn2export(struct lustre_handle *);
73 int class_register_type(struct obd_ops *, struct md_ops *,
74 struct lprocfs_vars *, const char *nm,
75 struct lu_device_type *ldt);
76 int class_unregister_type(const char *nm);
78 struct obd_device *class_newdev(const char *type_name, const char *name);
79 void class_release_dev(struct obd_device *obd);
81 int class_name2dev(const char *name);
82 struct obd_device *class_name2obd(const char *name);
83 int class_uuid2dev(struct obd_uuid *uuid);
84 struct obd_device *class_uuid2obd(struct obd_uuid *uuid);
85 void class_obd_list(void);
86 struct obd_device * class_find_client_obd(struct obd_uuid *tgt_uuid,
87 const char * typ_name,
88 struct obd_uuid *grp_uuid);
89 struct obd_device * class_devices_in_group(struct obd_uuid *grp_uuid,
91 struct obd_device * class_num2obd(int num);
93 int class_notify_sptlrpc_conf(const char *fsname, int namelen);
95 char *obd_export_nid2str(struct obd_export *exp);
97 int obd_export_evict_by_nid(struct obd_device *obd, const char *nid);
98 int obd_export_evict_by_uuid(struct obd_device *obd, const char *uuid);
100 int obd_zombie_impexp_init(void);
101 void obd_zombie_impexp_stop(void);
102 void obd_zombie_impexp_cull(void);
103 void obd_zombie_barrier(void);
104 void obd_exports_barrier(struct obd_device *obd);
107 int class_process_config(struct lustre_cfg *lcfg);
108 int class_process_proc_param(char *prefix, struct lprocfs_vars *lvars,
109 struct lustre_cfg *lcfg, void *data);
110 int class_attach(struct lustre_cfg *lcfg);
111 int class_setup(struct obd_device *obd, struct lustre_cfg *lcfg);
112 int class_cleanup(struct obd_device *obd, struct lustre_cfg *lcfg);
113 int class_detach(struct obd_device *obd, struct lustre_cfg *lcfg);
114 struct obd_device *class_incref(struct obd_device *obd,
115 const char *scope, const void *source);
116 void class_decref(struct obd_device *obd,
117 const char *scope, const void *source);
118 void dump_exports(struct obd_device *obd, int locks);
122 extern void lprocfs_echo_init_vars(struct lprocfs_static_vars *lvars);
124 static inline void lprocfs_echo_init_vars(struct lprocfs_static_vars *lvars)
126 memset(lvars, 0, sizeof(*lvars));
130 #define CFG_F_START 0x01 /* Set when we start updating from a log */
131 #define CFG_F_MARKER 0x02 /* We are within a maker */
132 #define CFG_F_SKIP 0x04 /* We should ignore this cfg command */
133 #define CFG_F_COMPAT146 0x08 /* Allow old-style logs */
134 #define CFG_F_EXCLUDE 0x10 /* OST exclusion list */
136 /* Passed as data param to class_config_parse_llog */
137 struct config_llog_instance {
140 struct super_block *cfg_sb;
141 struct obd_uuid cfg_uuid;
142 int cfg_last_idx; /* for partial llog processing */
145 int class_config_parse_llog(struct llog_ctxt *ctxt, char *name,
146 struct config_llog_instance *cfg);
147 int class_config_dump_llog(struct llog_ctxt *ctxt, char *name,
148 struct config_llog_instance *cfg);
150 /* list of active configuration logs */
151 struct config_llog_data {
153 struct ldlm_res_id cld_resid;
154 struct config_llog_instance cld_cfg;
155 cfs_list_t cld_list_chain;
156 cfs_atomic_t cld_refcount;
157 struct config_llog_data *cld_sptlrpc;/* depended sptlrpc log */
158 struct obd_export *cld_mgcexp;
159 unsigned int cld_stopping:1, /* we were told to stop
161 cld_lostlock:1, /* lock not requeued */
165 struct lustre_profile {
172 struct lustre_profile *class_get_profile(const char * prof);
173 void class_del_profile(const char *prof);
174 void class_del_profiles(void);
176 #if LUSTRE_TRACKS_LOCK_EXP_REFS
178 void __class_export_add_lock_ref(struct obd_export *, struct ldlm_lock *);
179 void __class_export_del_lock_ref(struct obd_export *, struct ldlm_lock *);
180 extern void (*class_export_dump_hook)(struct obd_export *);
184 #define __class_export_add_lock_ref(exp, lock) do {} while(0)
185 #define __class_export_del_lock_ref(exp, lock) do {} while(0)
189 #define class_export_rpc_get(exp) \
191 cfs_atomic_inc(&(exp)->exp_rpc_count); \
192 CDEBUG(D_INFO, "RPC GETting export %p : new rpc_count %d\n", \
193 (exp), cfs_atomic_read(&(exp)->exp_rpc_count)); \
194 class_export_get(exp); \
197 #define class_export_rpc_put(exp) \
199 LASSERT(cfs_atomic_read(&exp->exp_rpc_count) > 0); \
200 cfs_atomic_dec(&(exp)->exp_rpc_count); \
201 CDEBUG(D_INFO, "RPC PUTting export %p : new rpc_count %d\n", \
202 (exp), cfs_atomic_read(&(exp)->exp_rpc_count)); \
203 class_export_put(exp); \
206 #define class_export_lock_get(exp, lock) \
208 cfs_atomic_inc(&(exp)->exp_locks_count); \
209 __class_export_add_lock_ref(exp, lock); \
210 CDEBUG(D_INFO, "lock GETting export %p : new locks_count %d\n", \
211 (exp), cfs_atomic_read(&(exp)->exp_locks_count)); \
212 class_export_get(exp); \
215 #define class_export_lock_put(exp, lock) \
217 LASSERT(cfs_atomic_read(&exp->exp_locks_count) > 0); \
218 cfs_atomic_dec(&(exp)->exp_locks_count); \
219 __class_export_del_lock_ref(exp, lock); \
220 CDEBUG(D_INFO, "lock PUTting export %p : new locks_count %d\n", \
221 (exp), cfs_atomic_read(&(exp)->exp_locks_count)); \
222 class_export_put(exp); \
225 #define class_export_cb_get(exp) \
227 cfs_atomic_inc(&(exp)->exp_cb_count); \
228 CDEBUG(D_INFO, "callback GETting export %p : new cb_count %d\n",\
229 (exp), cfs_atomic_read(&(exp)->exp_cb_count)); \
230 class_export_get(exp); \
233 #define class_export_cb_put(exp) \
235 LASSERT(cfs_atomic_read(&exp->exp_cb_count) > 0); \
236 cfs_atomic_dec(&(exp)->exp_cb_count); \
237 CDEBUG(D_INFO, "callback PUTting export %p : new cb_count %d\n",\
238 (exp), cfs_atomic_read(&(exp)->exp_cb_count)); \
239 class_export_put(exp); \
243 struct obd_export *class_export_get(struct obd_export *exp);
244 void class_export_put(struct obd_export *exp);
245 struct obd_export *class_new_export(struct obd_device *obddev,
246 struct obd_uuid *cluuid);
247 void class_unlink_export(struct obd_export *exp);
249 struct obd_import *class_import_get(struct obd_import *);
250 void class_import_put(struct obd_import *);
251 struct obd_import *class_new_import(struct obd_device *obd);
252 void class_destroy_import(struct obd_import *exp);
254 struct obd_type *class_search_type(const char *name);
255 struct obd_type *class_get_type(const char *name);
256 void class_put_type(struct obd_type *type);
257 int class_connect(struct lustre_handle *conn, struct obd_device *obd,
258 struct obd_uuid *cluuid);
259 int class_disconnect(struct obd_export *exp);
260 void class_fail_export(struct obd_export *exp);
261 int class_connected_export(struct obd_export *exp);
262 void class_disconnect_exports(struct obd_device *obddev);
263 int class_manual_cleanup(struct obd_device *obd);
264 void class_disconnect_stale_exports(struct obd_device *,
265 int (*test_export)(struct obd_export *));
266 static inline enum obd_option exp_flags_from_obd(struct obd_device *obd)
268 return ((obd->obd_fail ? OBD_OPT_FAILOVER : 0) |
269 (obd->obd_force ? OBD_OPT_FORCE : 0) |
270 (obd->obd_abort_recovery ? OBD_OPT_ABORT_RECOV : 0) |
274 void obdo_cpy_md(struct obdo *dst, struct obdo *src, obd_flag valid);
275 void obdo_to_ioobj(struct obdo *oa, struct obd_ioobj *ioobj);
276 void obdo_from_iattr(struct obdo *oa, struct iattr *attr,
277 unsigned int ia_valid);
278 void iattr_from_obdo(struct iattr *attr, struct obdo *oa, obd_flag valid);
279 void md_from_obdo(struct md_op_data *op_data, struct obdo *oa, obd_flag valid);
280 void obdo_from_md(struct obdo *oa, struct md_op_data *op_data,
283 #define OBT(dev) (dev)->obd_type
284 #define OBP(dev, op) (dev)->obd_type->typ_dt_ops->o_ ## op
285 #define MDP(dev, op) (dev)->obd_type->typ_md_ops->m_ ## op
286 #define CTXTP(ctxt, op) (ctxt)->loc_logops->lop_##op
288 /* Ensure obd_setup: used for cleanup which must be called
289 while obd is stopping */
290 #define OBD_CHECK_DEV(obd) \
293 CERROR("NULL device\n"); \
298 /* ensure obd_setup and !obd_stopping */
299 #define OBD_CHECK_DEV_ACTIVE(obd) \
301 OBD_CHECK_DEV(obd); \
302 if (!(obd)->obd_set_up || (obd)->obd_stopping) { \
303 CERROR("Device %d not setup\n", \
311 #define OBD_COUNTER_OFFSET(op) \
312 ((offsetof(struct obd_ops, o_ ## op) - \
313 offsetof(struct obd_ops, o_iocontrol)) \
314 / sizeof(((struct obd_ops *)(0))->o_iocontrol))
316 #define OBD_COUNTER_INCREMENT(obdx, op) \
317 if ((obdx)->obd_stats != NULL) { \
318 unsigned int coffset; \
319 coffset = (unsigned int)((obdx)->obd_cntr_base) + \
320 OBD_COUNTER_OFFSET(op); \
321 LASSERT(coffset < (obdx)->obd_stats->ls_num); \
322 lprocfs_counter_incr((obdx)->obd_stats, coffset); \
325 #define EXP_COUNTER_INCREMENT(export, op) \
326 if ((export)->exp_obd->obd_stats != NULL) { \
327 unsigned int coffset; \
328 coffset = (unsigned int)((export)->exp_obd->obd_cntr_base) + \
329 OBD_COUNTER_OFFSET(op); \
330 LASSERT(coffset < (export)->exp_obd->obd_stats->ls_num); \
331 lprocfs_counter_incr((export)->exp_obd->obd_stats, coffset); \
332 if ((export)->exp_nid_stats != NULL && \
333 (export)->exp_nid_stats->nid_stats != NULL) \
334 lprocfs_counter_incr( \
335 (export)->exp_nid_stats->nid_stats, coffset);\
338 #define MD_COUNTER_OFFSET(op) \
339 ((offsetof(struct md_ops, m_ ## op) - \
340 offsetof(struct md_ops, m_getstatus)) \
341 / sizeof(((struct md_ops *)(0))->m_getstatus))
343 #define MD_COUNTER_INCREMENT(obdx, op) \
344 if ((obd)->md_stats != NULL) { \
345 unsigned int coffset; \
346 coffset = (unsigned int)((obdx)->md_cntr_base) + \
347 MD_COUNTER_OFFSET(op); \
348 LASSERT(coffset < (obdx)->md_stats->ls_num); \
349 lprocfs_counter_incr((obdx)->md_stats, coffset); \
352 #define EXP_MD_COUNTER_INCREMENT(export, op) \
353 if ((export)->exp_obd->obd_stats != NULL) { \
354 unsigned int coffset; \
355 coffset = (unsigned int)((export)->exp_obd->md_cntr_base) + \
356 MD_COUNTER_OFFSET(op); \
357 LASSERT(coffset < (export)->exp_obd->md_stats->ls_num); \
358 lprocfs_counter_incr((export)->exp_obd->md_stats, coffset); \
359 if ((export)->exp_md_stats != NULL) \
360 lprocfs_counter_incr( \
361 (export)->exp_md_stats, coffset); \
365 #define OBD_COUNTER_OFFSET(op)
366 #define OBD_COUNTER_INCREMENT(obd, op)
367 #define EXP_COUNTER_INCREMENT(exp, op)
368 #define MD_COUNTER_INCREMENT(obd, op)
369 #define EXP_MD_COUNTER_INCREMENT(exp, op)
372 #define OBD_CHECK_MD_OP(obd, op, err) \
374 if (!OBT(obd) || !MDP((obd), op)) { \
376 CERROR("md_" #op ": dev %s/%d no operation\n", \
377 obd->obd_name, obd->obd_minor); \
382 #define EXP_CHECK_MD_OP(exp, op) \
384 if ((exp) == NULL) { \
385 CERROR("obd_" #op ": NULL export\n"); \
388 if ((exp)->exp_obd == NULL || !OBT((exp)->exp_obd)) { \
389 CERROR("obd_" #op ": cleaned up obd\n"); \
390 RETURN(-EOPNOTSUPP); \
392 if (!OBT((exp)->exp_obd) || !MDP((exp)->exp_obd, op)) { \
393 CERROR("obd_" #op ": dev %s/%d no operation\n", \
394 (exp)->exp_obd->obd_name, \
395 (exp)->exp_obd->obd_minor); \
396 RETURN(-EOPNOTSUPP); \
401 #define OBD_CHECK_DT_OP(obd, op, err) \
403 if (!OBT(obd) || !OBP((obd), op)) { \
405 CERROR("obd_" #op ": dev %d no operation\n", \
411 #define EXP_CHECK_DT_OP(exp, op) \
413 if ((exp) == NULL) { \
414 CERROR("obd_" #op ": NULL export\n"); \
417 if ((exp)->exp_obd == NULL || !OBT((exp)->exp_obd)) { \
418 CERROR("obd_" #op ": cleaned up obd\n"); \
419 RETURN(-EOPNOTSUPP); \
421 if (!OBT((exp)->exp_obd) || !OBP((exp)->exp_obd, op)) { \
422 CERROR("obd_" #op ": dev %d no operation\n", \
423 (exp)->exp_obd->obd_minor); \
424 RETURN(-EOPNOTSUPP); \
428 #define CTXT_CHECK_OP(ctxt, op, err) \
430 if (!OBT(ctxt->loc_obd) || !CTXTP((ctxt), op)) { \
432 CERROR("lop_" #op ": dev %d no operation\n", \
433 ctxt->loc_obd->obd_minor); \
438 static inline int class_devno_max(void)
440 return MAX_OBD_DEVICES;
443 static inline int obd_get_info(struct obd_export *exp, __u32 keylen,
444 void *key, __u32 *vallen, void *val,
445 struct lov_stripe_md *lsm)
450 EXP_CHECK_DT_OP(exp, get_info);
451 EXP_COUNTER_INCREMENT(exp, get_info);
453 rc = OBP(exp->exp_obd, get_info)(exp, keylen, key, vallen, val, lsm);
457 static inline int obd_set_info_async(struct obd_export *exp, obd_count keylen,
458 void *key, obd_count vallen, void *val,
459 struct ptlrpc_request_set *set)
464 EXP_CHECK_DT_OP(exp, set_info_async);
465 EXP_COUNTER_INCREMENT(exp, set_info_async);
467 rc = OBP(exp->exp_obd, set_info_async)(exp, keylen, key, vallen, val,
473 * obd-lu integration.
475 * Functionality is being moved into new lu_device-based layering, but some
476 * pieces of configuration process are still based on obd devices.
478 * Specifically, lu_device_type_operations::ldto_device_alloc() methods fully
479 * subsume ->o_setup() methods of obd devices they replace. The same for
480 * lu_device_operations::ldo_process_config() and ->o_process_config(). As a
481 * result, obd_setup() and obd_process_config() branch and call one XOR
484 * Yet neither lu_device_type_operations::ldto_device_fini() nor
485 * lu_device_type_operations::ldto_device_free() fully implement the
486 * functionality of ->o_precleanup() and ->o_cleanup() they override. Hence,
487 * obd_precleanup() and obd_cleanup() call both lu_device and obd operations.
490 #define DECLARE_LU_VARS(ldt, d) \
491 struct lu_device_type *ldt; \
494 static inline int obd_setup(struct obd_device *obd, struct lustre_cfg *cfg)
497 DECLARE_LU_VARS(ldt, d);
500 ldt = obd->obd_type->typ_lu;
502 struct lu_context session_ctx;
504 lu_context_init(&session_ctx, LCT_SESSION);
505 session_ctx.lc_thread = NULL;
506 lu_context_enter(&session_ctx);
508 rc = lu_env_init(&env, ldt->ldt_ctx_tags);
510 env.le_ses = &session_ctx;
511 d = ldt->ldt_ops->ldto_device_alloc(&env, ldt, cfg);
520 lu_context_exit(&session_ctx);
521 lu_context_fini(&session_ctx);
524 OBD_CHECK_DT_OP(obd, setup, -EOPNOTSUPP);
525 OBD_COUNTER_INCREMENT(obd, setup);
526 rc = OBP(obd, setup)(obd, cfg);
531 static inline int obd_precleanup(struct obd_device *obd,
532 enum obd_cleanup_stage cleanup_stage)
535 DECLARE_LU_VARS(ldt, d);
539 ldt = obd->obd_type->typ_lu;
541 if (ldt != NULL && d != NULL) {
542 if (cleanup_stage == OBD_CLEANUP_EXPORTS) {
545 rc = lu_env_init(&env, ldt->ldt_ctx_tags);
547 ldt->ldt_ops->ldto_device_fini(&env, d);
552 OBD_CHECK_DT_OP(obd, precleanup, 0);
553 OBD_COUNTER_INCREMENT(obd, precleanup);
555 rc = OBP(obd, precleanup)(obd, cleanup_stage);
559 static inline int obd_cleanup(struct obd_device *obd)
562 DECLARE_LU_VARS(ldt, d);
567 ldt = obd->obd_type->typ_lu;
569 if (ldt != NULL && d != NULL) {
572 rc = lu_env_init(&env, ldt->ldt_ctx_tags);
574 ldt->ldt_ops->ldto_device_free(&env, d);
576 obd->obd_lu_dev = NULL;
579 OBD_CHECK_DT_OP(obd, cleanup, 0);
580 OBD_COUNTER_INCREMENT(obd, cleanup);
582 rc = OBP(obd, cleanup)(obd);
587 obd_process_config(struct obd_device *obd, int datalen, void *data)
590 DECLARE_LU_VARS(ldt, d);
595 obd->obd_process_conf = 1;
596 ldt = obd->obd_type->typ_lu;
598 if (ldt != NULL && d != NULL) {
601 rc = lu_env_init(&env, ldt->ldt_ctx_tags);
603 rc = d->ld_ops->ldo_process_config(&env, d, data);
607 OBD_CHECK_DT_OP(obd, process_config, -EOPNOTSUPP);
608 rc = OBP(obd, process_config)(obd, datalen, data);
610 OBD_COUNTER_INCREMENT(obd, process_config);
611 obd->obd_process_conf = 0;
616 /* Pack an in-memory MD struct for storage on disk.
617 * Returns +ve size of packed MD (0 for free), or -ve error.
619 * If @disk_tgt == NULL, MD size is returned (max size if @mem_src == NULL).
620 * If @*disk_tgt != NULL and @mem_src == NULL, @*disk_tgt will be freed.
621 * If @*disk_tgt == NULL, it will be allocated
623 static inline int obd_packmd(struct obd_export *exp,
624 struct lov_mds_md **disk_tgt,
625 struct lov_stripe_md *mem_src)
630 EXP_CHECK_DT_OP(exp, packmd);
631 EXP_COUNTER_INCREMENT(exp, packmd);
633 rc = OBP(exp->exp_obd, packmd)(exp, disk_tgt, mem_src);
637 static inline int obd_size_diskmd(struct obd_export *exp,
638 struct lov_stripe_md *mem_src)
640 return obd_packmd(exp, NULL, mem_src);
643 /* helper functions */
644 static inline int obd_alloc_diskmd(struct obd_export *exp,
645 struct lov_mds_md **disk_tgt)
648 LASSERT(*disk_tgt == NULL);
649 return obd_packmd(exp, disk_tgt, NULL);
652 static inline int obd_free_diskmd(struct obd_export *exp,
653 struct lov_mds_md **disk_tgt)
657 return obd_packmd(exp, disk_tgt, NULL);
660 /* Unpack an MD struct from disk to in-memory format.
661 * Returns +ve size of unpacked MD (0 for free), or -ve error.
663 * If @mem_tgt == NULL, MD size is returned (max size if @disk_src == NULL).
664 * If @*mem_tgt != NULL and @disk_src == NULL, @*mem_tgt will be freed.
665 * If @*mem_tgt == NULL, it will be allocated
667 static inline int obd_unpackmd(struct obd_export *exp,
668 struct lov_stripe_md **mem_tgt,
669 struct lov_mds_md *disk_src,
675 EXP_CHECK_DT_OP(exp, unpackmd);
676 EXP_COUNTER_INCREMENT(exp, unpackmd);
678 rc = OBP(exp->exp_obd, unpackmd)(exp, mem_tgt, disk_src, disk_len);
682 /* helper functions */
683 static inline int obd_alloc_memmd(struct obd_export *exp,
684 struct lov_stripe_md **mem_tgt)
687 LASSERT(*mem_tgt == NULL);
688 return obd_unpackmd(exp, mem_tgt, NULL, 0);
691 static inline int obd_free_memmd(struct obd_export *exp,
692 struct lov_stripe_md **mem_tgt)
698 rc = obd_unpackmd(exp, mem_tgt, NULL, 0);
703 static inline int obd_precreate(struct obd_export *exp)
708 EXP_CHECK_DT_OP(exp, precreate);
709 OBD_COUNTER_INCREMENT(exp->exp_obd, precreate);
711 rc = OBP(exp->exp_obd, precreate)(exp);
715 static inline int obd_create_async(struct obd_export *exp,
716 struct obd_info *oinfo,
717 struct lov_stripe_md **ea,
718 struct obd_trans_info *oti)
723 EXP_CHECK_DT_OP(exp, create_async);
724 EXP_COUNTER_INCREMENT(exp, create_async);
726 rc = OBP(exp->exp_obd, create_async)(exp, oinfo, ea, oti);
730 static inline int obd_create(struct obd_export *exp, struct obdo *obdo,
731 struct lov_stripe_md **ea,
732 struct obd_trans_info *oti)
737 EXP_CHECK_DT_OP(exp, create);
738 EXP_COUNTER_INCREMENT(exp, create);
740 rc = OBP(exp->exp_obd, create)(exp, obdo, ea, oti);
744 static inline int obd_destroy(struct obd_export *exp, struct obdo *obdo,
745 struct lov_stripe_md *ea,
746 struct obd_trans_info *oti,
747 struct obd_export *md_exp, void *capa)
752 EXP_CHECK_DT_OP(exp, destroy);
753 EXP_COUNTER_INCREMENT(exp, destroy);
755 rc = OBP(exp->exp_obd, destroy)(exp, obdo, ea, oti, md_exp, capa);
759 static inline int obd_getattr(struct obd_export *exp, struct obd_info *oinfo)
764 EXP_CHECK_DT_OP(exp, getattr);
765 EXP_COUNTER_INCREMENT(exp, getattr);
767 rc = OBP(exp->exp_obd, getattr)(exp, oinfo);
771 static inline int obd_getattr_async(struct obd_export *exp,
772 struct obd_info *oinfo,
773 struct ptlrpc_request_set *set)
778 EXP_CHECK_DT_OP(exp, getattr_async);
779 EXP_COUNTER_INCREMENT(exp, getattr_async);
781 rc = OBP(exp->exp_obd, getattr_async)(exp, oinfo, set);
785 static inline int obd_setattr(struct obd_export *exp, struct obd_info *oinfo,
786 struct obd_trans_info *oti)
791 EXP_CHECK_DT_OP(exp, setattr);
792 EXP_COUNTER_INCREMENT(exp, setattr);
794 rc = OBP(exp->exp_obd, setattr)(exp, oinfo, oti);
798 /* This performs all the requests set init/wait/destroy actions. */
799 static inline int obd_setattr_rqset(struct obd_export *exp,
800 struct obd_info *oinfo,
801 struct obd_trans_info *oti)
803 struct ptlrpc_request_set *set = NULL;
807 EXP_CHECK_DT_OP(exp, setattr_async);
808 EXP_COUNTER_INCREMENT(exp, setattr_async);
810 set = ptlrpc_prep_set();
814 rc = OBP(exp->exp_obd, setattr_async)(exp, oinfo, oti, set);
816 rc = ptlrpc_set_wait(set);
817 ptlrpc_set_destroy(set);
821 /* This adds all the requests into @set if @set != NULL, otherwise
822 all requests are sent asynchronously without waiting for response. */
823 static inline int obd_setattr_async(struct obd_export *exp,
824 struct obd_info *oinfo,
825 struct obd_trans_info *oti,
826 struct ptlrpc_request_set *set)
831 EXP_CHECK_DT_OP(exp, setattr_async);
832 EXP_COUNTER_INCREMENT(exp, setattr_async);
834 rc = OBP(exp->exp_obd, setattr_async)(exp, oinfo, oti, set);
838 static inline int obd_add_conn(struct obd_import *imp, struct obd_uuid *uuid,
841 struct obd_device *obd = imp->imp_obd;
845 OBD_CHECK_DEV_ACTIVE(obd);
846 OBD_CHECK_DT_OP(obd, add_conn, -EOPNOTSUPP);
847 OBD_COUNTER_INCREMENT(obd, add_conn);
849 rc = OBP(obd, add_conn)(imp, uuid, priority);
853 static inline int obd_del_conn(struct obd_import *imp, struct obd_uuid *uuid)
855 struct obd_device *obd = imp->imp_obd;
859 OBD_CHECK_DEV_ACTIVE(obd);
860 OBD_CHECK_DT_OP(obd, del_conn, -EOPNOTSUPP);
861 OBD_COUNTER_INCREMENT(obd, del_conn);
863 rc = OBP(obd, del_conn)(imp, uuid);
867 static inline struct obd_uuid *obd_get_uuid(struct obd_export *exp)
869 struct obd_uuid *uuid;
872 OBD_CHECK_DT_OP(exp->exp_obd, get_uuid, NULL);
873 EXP_COUNTER_INCREMENT(exp, get_uuid);
875 uuid = OBP(exp->exp_obd, get_uuid)(exp);
879 static inline int obd_connect(const struct lu_env *env,
880 struct obd_export **exp,struct obd_device *obd,
881 struct obd_uuid *cluuid,
882 struct obd_connect_data *d,
886 __u64 ocf = d ? d->ocd_connect_flags : 0; /* for post-condition
890 OBD_CHECK_DEV_ACTIVE(obd);
891 OBD_CHECK_DT_OP(obd, connect, -EOPNOTSUPP);
892 OBD_COUNTER_INCREMENT(obd, connect);
894 rc = OBP(obd, connect)(env, exp, obd, cluuid, d, localdata);
895 /* check that only subset is granted */
896 LASSERT(ergo(d != NULL,
897 (d->ocd_connect_flags & ocf) == d->ocd_connect_flags));
901 static inline int obd_reconnect(const struct lu_env *env,
902 struct obd_export *exp,
903 struct obd_device *obd,
904 struct obd_uuid *cluuid,
905 struct obd_connect_data *d,
909 __u64 ocf = d ? d->ocd_connect_flags : 0; /* for post-condition
914 OBD_CHECK_DEV_ACTIVE(obd);
915 OBD_CHECK_DT_OP(obd, reconnect, 0);
916 OBD_COUNTER_INCREMENT(obd, reconnect);
918 rc = OBP(obd, reconnect)(env, exp, obd, cluuid, d, localdata);
919 /* check that only subset is granted */
920 LASSERT(ergo(d != NULL,
921 (d->ocd_connect_flags & ocf) == d->ocd_connect_flags));
925 static inline int obd_disconnect(struct obd_export *exp)
930 EXP_CHECK_DT_OP(exp, disconnect);
931 EXP_COUNTER_INCREMENT(exp, disconnect);
933 rc = OBP(exp->exp_obd, disconnect)(exp);
937 static inline int obd_fid_init(struct obd_export *exp)
942 OBD_CHECK_DT_OP(exp->exp_obd, fid_init, 0);
943 EXP_COUNTER_INCREMENT(exp, fid_init);
945 rc = OBP(exp->exp_obd, fid_init)(exp);
949 static inline int obd_fid_fini(struct obd_export *exp)
954 OBD_CHECK_DT_OP(exp->exp_obd, fid_fini, 0);
955 EXP_COUNTER_INCREMENT(exp, fid_fini);
957 rc = OBP(exp->exp_obd, fid_fini)(exp);
961 static inline int obd_fid_alloc(struct obd_export *exp,
963 struct md_op_data *op_data)
968 EXP_CHECK_DT_OP(exp, fid_alloc);
969 EXP_COUNTER_INCREMENT(exp, fid_alloc);
971 rc = OBP(exp->exp_obd, fid_alloc)(exp, fid, op_data);
975 static inline int obd_fid_delete(struct obd_export *exp,
976 const struct lu_fid *fid)
981 EXP_CHECK_DT_OP(exp, fid_delete);
982 EXP_COUNTER_INCREMENT(exp, fid_delete);
984 rc = OBP(exp->exp_obd, fid_delete)(exp, fid);
988 static inline int obd_ping(struct obd_export *exp)
993 OBD_CHECK_DT_OP(exp->exp_obd, ping, 0);
994 EXP_COUNTER_INCREMENT(exp, ping);
996 rc = OBP(exp->exp_obd, ping)(exp);
1000 static inline int obd_pool_new(struct obd_device *obd, char *poolname)
1005 OBD_CHECK_DT_OP(obd, pool_new, -EOPNOTSUPP);
1006 OBD_COUNTER_INCREMENT(obd, pool_new);
1008 rc = OBP(obd, pool_new)(obd, poolname);
1012 static inline int obd_pool_del(struct obd_device *obd, char *poolname)
1017 OBD_CHECK_DT_OP(obd, pool_del, -EOPNOTSUPP);
1018 OBD_COUNTER_INCREMENT(obd, pool_del);
1020 rc = OBP(obd, pool_del)(obd, poolname);
1024 static inline int obd_pool_add(struct obd_device *obd, char *poolname, char *ostname)
1029 OBD_CHECK_DT_OP(obd, pool_add, -EOPNOTSUPP);
1030 OBD_COUNTER_INCREMENT(obd, pool_add);
1032 rc = OBP(obd, pool_add)(obd, poolname, ostname);
1036 static inline int obd_pool_rem(struct obd_device *obd, char *poolname, char *ostname)
1041 OBD_CHECK_DT_OP(obd, pool_rem, -EOPNOTSUPP);
1042 OBD_COUNTER_INCREMENT(obd, pool_rem);
1044 rc = OBP(obd, pool_rem)(obd, poolname, ostname);
1048 static inline void obd_getref(struct obd_device *obd)
1051 if (OBT(obd) && OBP(obd, getref)) {
1052 OBD_COUNTER_INCREMENT(obd, getref);
1053 OBP(obd, getref)(obd);
1058 static inline void obd_putref(struct obd_device *obd)
1061 if (OBT(obd) && OBP(obd, putref)) {
1062 OBD_COUNTER_INCREMENT(obd, putref);
1063 OBP(obd, putref)(obd);
1068 static inline int obd_init_export(struct obd_export *exp)
1073 if ((exp)->exp_obd != NULL && OBT((exp)->exp_obd) &&
1074 OBP((exp)->exp_obd, init_export))
1075 rc = OBP(exp->exp_obd, init_export)(exp);
1079 static inline int obd_destroy_export(struct obd_export *exp)
1082 if ((exp)->exp_obd != NULL && OBT((exp)->exp_obd) &&
1083 OBP((exp)->exp_obd, destroy_export))
1084 OBP(exp->exp_obd, destroy_export)(exp);
1088 static inline int obd_extent_calc(struct obd_export *exp,
1089 struct lov_stripe_md *md,
1090 int cmd, obd_off *offset)
1094 EXP_CHECK_DT_OP(exp, extent_calc);
1095 rc = OBP(exp->exp_obd, extent_calc)(exp, md, cmd, offset);
1099 static inline struct dentry *
1100 obd_lvfs_fid2dentry(struct obd_export *exp, __u64 id_ino, __u32 gen, __u64 gr)
1102 LASSERT(exp->exp_obd);
1104 return lvfs_fid2dentry(&exp->exp_obd->obd_lvfs_ctxt, id_ino, gen, gr,
1109 obd_lvfs_open_llog(struct obd_export *exp, __u64 id_ino, struct dentry *dentry)
1111 LASSERT(exp->exp_obd);
1112 CERROR("FIXME what's the story here? This needs to be an obd fn?\n");
1114 return lvfs_open_llog(&exp->exp_obd->obd_lvfs_ctxt, id_ino,
1115 dentry, exp->exp_obd);
1120 /* @max_age is the oldest time in jiffies that we accept using a cached data.
1121 * If the cache is older than @max_age we will get a new value from the
1122 * target. Use a value of "cfs_time_current() + HZ" to guarantee freshness. */
1123 static inline int obd_statfs_async(struct obd_device *obd,
1124 struct obd_info *oinfo,
1126 struct ptlrpc_request_set *rqset)
1134 OBD_CHECK_DT_OP(obd, statfs, -EOPNOTSUPP);
1135 OBD_COUNTER_INCREMENT(obd, statfs);
1137 CDEBUG(D_SUPER, "%s: osfs %p age "LPU64", max_age "LPU64"\n",
1138 obd->obd_name, &obd->obd_osfs, obd->obd_osfs_age, max_age);
1139 if (cfs_time_before_64(obd->obd_osfs_age, max_age)) {
1140 rc = OBP(obd, statfs_async)(obd, oinfo, max_age, rqset);
1142 CDEBUG(D_SUPER,"%s: use %p cache blocks "LPU64"/"LPU64
1143 " objects "LPU64"/"LPU64"\n",
1144 obd->obd_name, &obd->obd_osfs,
1145 obd->obd_osfs.os_bavail, obd->obd_osfs.os_blocks,
1146 obd->obd_osfs.os_ffree, obd->obd_osfs.os_files);
1147 cfs_spin_lock(&obd->obd_osfs_lock);
1148 memcpy(oinfo->oi_osfs, &obd->obd_osfs, sizeof(*oinfo->oi_osfs));
1149 cfs_spin_unlock(&obd->obd_osfs_lock);
1150 oinfo->oi_flags |= OBD_STATFS_FROM_CACHE;
1151 if (oinfo->oi_cb_up)
1152 oinfo->oi_cb_up(oinfo, 0);
1157 static inline int obd_statfs_rqset(struct obd_device *obd,
1158 struct obd_statfs *osfs, __u64 max_age,
1161 struct ptlrpc_request_set *set = NULL;
1162 struct obd_info oinfo = { { { 0 } } };
1166 set = ptlrpc_prep_set();
1170 oinfo.oi_osfs = osfs;
1171 oinfo.oi_flags = flags;
1172 rc = obd_statfs_async(obd, &oinfo, max_age, set);
1174 rc = ptlrpc_set_wait(set);
1175 ptlrpc_set_destroy(set);
1179 /* @max_age is the oldest time in jiffies that we accept using a cached data.
1180 * If the cache is older than @max_age we will get a new value from the
1181 * target. Use a value of "cfs_time_current() + HZ" to guarantee freshness. */
1182 static inline int obd_statfs(struct obd_device *obd, struct obd_statfs *osfs,
1183 __u64 max_age, __u32 flags)
1191 OBD_CHECK_DT_OP(obd, statfs, -EOPNOTSUPP);
1192 OBD_COUNTER_INCREMENT(obd, statfs);
1194 CDEBUG(D_SUPER, "osfs "LPU64", max_age "LPU64"\n",
1195 obd->obd_osfs_age, max_age);
1196 if (cfs_time_before_64(obd->obd_osfs_age, max_age)) {
1197 rc = OBP(obd, statfs)(obd, osfs, max_age, flags);
1199 cfs_spin_lock(&obd->obd_osfs_lock);
1200 memcpy(&obd->obd_osfs, osfs, sizeof(obd->obd_osfs));
1201 obd->obd_osfs_age = cfs_time_current_64();
1202 cfs_spin_unlock(&obd->obd_osfs_lock);
1205 CDEBUG(D_SUPER,"%s: use %p cache blocks "LPU64"/"LPU64
1206 " objects "LPU64"/"LPU64"\n",
1207 obd->obd_name, &obd->obd_osfs,
1208 obd->obd_osfs.os_bavail, obd->obd_osfs.os_blocks,
1209 obd->obd_osfs.os_ffree, obd->obd_osfs.os_files);
1210 cfs_spin_lock(&obd->obd_osfs_lock);
1211 memcpy(osfs, &obd->obd_osfs, sizeof(*osfs));
1212 cfs_spin_unlock(&obd->obd_osfs_lock);
1217 static inline int obd_sync(struct obd_export *exp, struct obdo *oa,
1218 struct lov_stripe_md *ea, obd_size start,
1219 obd_size end, void *capa)
1224 OBD_CHECK_DT_OP(exp->exp_obd, sync, -EOPNOTSUPP);
1225 EXP_COUNTER_INCREMENT(exp, sync);
1227 rc = OBP(exp->exp_obd, sync)(exp, oa, ea, start, end, capa);
1231 static inline int obd_punch_rqset(struct obd_export *exp,
1232 struct obd_info *oinfo,
1233 struct obd_trans_info *oti)
1235 struct ptlrpc_request_set *set = NULL;
1239 EXP_CHECK_DT_OP(exp, punch);
1240 EXP_COUNTER_INCREMENT(exp, punch);
1242 set = ptlrpc_prep_set();
1246 rc = OBP(exp->exp_obd, punch)(exp, oinfo, oti, set);
1248 rc = ptlrpc_set_wait(set);
1249 ptlrpc_set_destroy(set);
1253 static inline int obd_punch(struct obd_export *exp, struct obd_info *oinfo,
1254 struct obd_trans_info *oti,
1255 struct ptlrpc_request_set *rqset)
1260 EXP_CHECK_DT_OP(exp, punch);
1261 EXP_COUNTER_INCREMENT(exp, punch);
1263 rc = OBP(exp->exp_obd, punch)(exp, oinfo, oti, rqset);
1267 static inline int obd_brw(int cmd, struct obd_export *exp,
1268 struct obd_info *oinfo, obd_count oa_bufs,
1269 struct brw_page *pg, struct obd_trans_info *oti)
1274 EXP_CHECK_DT_OP(exp, brw);
1275 EXP_COUNTER_INCREMENT(exp, brw);
1277 if (!(cmd & (OBD_BRW_RWMASK | OBD_BRW_CHECK))) {
1278 CERROR("obd_brw: cmd must be OBD_BRW_READ, OBD_BRW_WRITE, "
1279 "or OBD_BRW_CHECK\n");
1283 rc = OBP(exp->exp_obd, brw)(cmd, exp, oinfo, oa_bufs, pg, oti);
1287 static inline int obd_preprw(int cmd, struct obd_export *exp, struct obdo *oa,
1288 int objcount, struct obd_ioobj *obj,
1289 struct niobuf_remote *remote, int *pages,
1290 struct niobuf_local *local,
1291 struct obd_trans_info *oti,
1292 struct lustre_capa *capa)
1297 EXP_CHECK_DT_OP(exp, preprw);
1298 EXP_COUNTER_INCREMENT(exp, preprw);
1300 rc = OBP(exp->exp_obd, preprw)(cmd, exp, oa, objcount, obj, remote,
1301 pages, local, oti, capa);
1305 static inline int obd_commitrw(int cmd, struct obd_export *exp, struct obdo *oa,
1306 int objcount, struct obd_ioobj *obj,
1307 struct niobuf_remote *rnb, int pages,
1308 struct niobuf_local *local,
1309 struct obd_trans_info *oti, int rc)
1313 EXP_CHECK_DT_OP(exp, commitrw);
1314 EXP_COUNTER_INCREMENT(exp, commitrw);
1316 rc = OBP(exp->exp_obd, commitrw)(cmd, exp, oa, objcount, obj,
1317 rnb, pages, local, oti, rc);
1321 static inline int obd_merge_lvb(struct obd_export *exp,
1322 struct lov_stripe_md *lsm,
1323 struct ost_lvb *lvb, int kms_only)
1328 EXP_CHECK_DT_OP(exp, merge_lvb);
1329 EXP_COUNTER_INCREMENT(exp, merge_lvb);
1331 rc = OBP(exp->exp_obd, merge_lvb)(exp, lsm, lvb, kms_only);
1335 static inline int obd_adjust_kms(struct obd_export *exp,
1336 struct lov_stripe_md *lsm, obd_off size,
1342 EXP_CHECK_DT_OP(exp, adjust_kms);
1343 EXP_COUNTER_INCREMENT(exp, adjust_kms);
1345 rc = OBP(exp->exp_obd, adjust_kms)(exp, lsm, size, shrink);
1349 static inline int obd_iocontrol(unsigned int cmd, struct obd_export *exp,
1350 int len, void *karg, void *uarg)
1355 EXP_CHECK_DT_OP(exp, iocontrol);
1356 EXP_COUNTER_INCREMENT(exp, iocontrol);
1358 rc = OBP(exp->exp_obd, iocontrol)(cmd, exp, len, karg, uarg);
1362 static inline int obd_enqueue_rqset(struct obd_export *exp,
1363 struct obd_info *oinfo,
1364 struct ldlm_enqueue_info *einfo)
1366 struct ptlrpc_request_set *set = NULL;
1370 EXP_CHECK_DT_OP(exp, enqueue);
1371 EXP_COUNTER_INCREMENT(exp, enqueue);
1373 set = ptlrpc_prep_set();
1377 rc = OBP(exp->exp_obd, enqueue)(exp, oinfo, einfo, set);
1379 rc = ptlrpc_set_wait(set);
1380 ptlrpc_set_destroy(set);
1384 static inline int obd_enqueue(struct obd_export *exp,
1385 struct obd_info *oinfo,
1386 struct ldlm_enqueue_info *einfo,
1387 struct ptlrpc_request_set *set)
1392 EXP_CHECK_DT_OP(exp, enqueue);
1393 EXP_COUNTER_INCREMENT(exp, enqueue);
1395 rc = OBP(exp->exp_obd, enqueue)(exp, oinfo, einfo, set);
1399 static inline int obd_change_cbdata(struct obd_export *exp,
1400 struct lov_stripe_md *lsm,
1401 ldlm_iterator_t it, void *data)
1406 EXP_CHECK_DT_OP(exp, change_cbdata);
1407 EXP_COUNTER_INCREMENT(exp, change_cbdata);
1409 rc = OBP(exp->exp_obd, change_cbdata)(exp, lsm, it, data);
1413 static inline int obd_cancel(struct obd_export *exp,
1414 struct lov_stripe_md *ea, __u32 mode,
1415 struct lustre_handle *lockh)
1420 EXP_CHECK_DT_OP(exp, cancel);
1421 EXP_COUNTER_INCREMENT(exp, cancel);
1423 rc = OBP(exp->exp_obd, cancel)(exp, ea, mode, lockh);
1427 static inline int obd_cancel_unused(struct obd_export *exp,
1428 struct lov_stripe_md *ea,
1429 int flags, void *opaque)
1434 EXP_CHECK_DT_OP(exp, cancel_unused);
1435 EXP_COUNTER_INCREMENT(exp, cancel_unused);
1437 rc = OBP(exp->exp_obd, cancel_unused)(exp, ea, flags, opaque);
1441 static inline int obd_pin(struct obd_export *exp, const struct lu_fid *fid,
1442 struct obd_capa *oc, struct obd_client_handle *handle,
1448 EXP_CHECK_DT_OP(exp, pin);
1449 EXP_COUNTER_INCREMENT(exp, pin);
1451 rc = OBP(exp->exp_obd, pin)(exp, fid, oc, handle, flag);
1455 static inline int obd_unpin(struct obd_export *exp,
1456 struct obd_client_handle *handle, int flag)
1461 EXP_CHECK_DT_OP(exp, unpin);
1462 EXP_COUNTER_INCREMENT(exp, unpin);
1464 rc = OBP(exp->exp_obd, unpin)(exp, handle, flag);
1469 static inline void obd_import_event(struct obd_device *obd,
1470 struct obd_import *imp,
1471 enum obd_import_event event)
1475 CERROR("NULL device\n");
1479 if (obd->obd_set_up && OBP(obd, import_event)) {
1480 OBD_COUNTER_INCREMENT(obd, import_event);
1481 OBP(obd, import_event)(obd, imp, event);
1486 static inline int obd_llog_connect(struct obd_export *exp,
1487 struct llogd_conn_body *body)
1492 OBD_CHECK_DT_OP(exp->exp_obd, llog_connect, 0);
1493 EXP_COUNTER_INCREMENT(exp, llog_connect);
1495 rc = OBP(exp->exp_obd, llog_connect)(exp, body);
1500 static inline int obd_notify(struct obd_device *obd,
1501 struct obd_device *watched,
1502 enum obd_notify_event ev,
1509 /* the check for async_recov is a complete hack - I'm hereby
1510 overloading the meaning to also mean "this was called from
1511 mds_postsetup". I know that my mds is able to handle notifies
1512 by this point, and it needs to get them to execute mds_postrecov. */
1513 if (!obd->obd_set_up && !obd->obd_async_recov) {
1514 CDEBUG(D_HA, "obd %s not set up\n", obd->obd_name);
1518 if (!OBP(obd, notify)) {
1519 CERROR("obd %s has no notify handler\n", obd->obd_name);
1523 OBD_COUNTER_INCREMENT(obd, notify);
1524 rc = OBP(obd, notify)(obd, watched, ev, data);
1528 static inline int obd_notify_observer(struct obd_device *observer,
1529 struct obd_device *observed,
1530 enum obd_notify_event ev,
1536 struct obd_notify_upcall *onu;
1538 if (observer->obd_observer)
1539 rc1 = obd_notify(observer->obd_observer, observed, ev, data);
1543 * Also, call non-obd listener, if any
1545 onu = &observer->obd_upcall;
1546 if (onu->onu_upcall != NULL)
1547 rc2 = onu->onu_upcall(observer, observed, ev,
1548 onu->onu_owner, NULL);
1552 return rc1 ? rc1 : rc2;
1555 static inline int obd_quotacheck(struct obd_export *exp,
1556 struct obd_quotactl *oqctl)
1561 EXP_CHECK_DT_OP(exp, quotacheck);
1562 EXP_COUNTER_INCREMENT(exp, quotacheck);
1564 rc = OBP(exp->exp_obd, quotacheck)(exp->exp_obd, exp, oqctl);
1568 static inline int obd_quotactl(struct obd_export *exp,
1569 struct obd_quotactl *oqctl)
1574 EXP_CHECK_DT_OP(exp, quotactl);
1575 EXP_COUNTER_INCREMENT(exp, quotactl);
1577 rc = OBP(exp->exp_obd, quotactl)(exp->exp_obd, exp, oqctl);
1581 static inline int obd_quota_adjust_qunit(struct obd_export *exp,
1582 struct quota_adjust_qunit *oqaq,
1583 struct lustre_quota_ctxt *qctxt)
1585 #if defined(LPROCFS) && defined(HAVE_QUOTA_SUPPORT)
1586 struct timeval work_start;
1587 struct timeval work_end;
1593 #if defined(LPROCFS) && defined(HAVE_QUOTA_SUPPORT)
1595 cfs_gettimeofday(&work_start);
1597 EXP_CHECK_DT_OP(exp, quota_adjust_qunit);
1598 EXP_COUNTER_INCREMENT(exp, quota_adjust_qunit);
1600 rc = OBP(exp->exp_obd, quota_adjust_qunit)(exp, oqaq, qctxt);
1602 #if defined(LPROCFS) && defined(HAVE_QUOTA_SUPPORT)
1604 cfs_gettimeofday(&work_end);
1605 timediff = cfs_timeval_sub(&work_end, &work_start, NULL);
1606 lprocfs_counter_add(qctxt->lqc_stats, LQUOTA_ADJUST_QUNIT,
1613 static inline int obd_health_check(struct obd_device *obd)
1615 /* returns: 0 on healthy
1616 * >0 on unhealthy + reason code/flag
1617 * however the only suppored reason == 1 right now
1618 * We'll need to define some better reasons
1619 * or flags in the future.
1625 /* don't use EXP_CHECK_DT_OP, because NULL method is normal here */
1626 if (obd == NULL || !OBT(obd)) {
1627 CERROR("cleaned up obd\n");
1628 RETURN(-EOPNOTSUPP);
1630 if (!obd->obd_set_up || obd->obd_stopping)
1632 if (!OBP(obd, health_check))
1635 rc = OBP(obd, health_check)(obd);
1639 static inline int obd_register_observer(struct obd_device *obd,
1640 struct obd_device *observer)
1644 cfs_down_write(&obd->obd_observer_link_sem);
1645 if (obd->obd_observer && observer) {
1646 cfs_up_write(&obd->obd_observer_link_sem);
1649 obd->obd_observer = observer;
1650 cfs_up_write(&obd->obd_observer_link_sem);
1654 static inline int obd_pin_observer(struct obd_device *obd,
1655 struct obd_device **observer)
1658 cfs_down_read(&obd->obd_observer_link_sem);
1659 if (!obd->obd_observer) {
1661 cfs_up_read(&obd->obd_observer_link_sem);
1664 *observer = obd->obd_observer;
1668 static inline int obd_unpin_observer(struct obd_device *obd)
1671 cfs_up_read(&obd->obd_observer_link_sem);
1676 static inline int obd_register_page_removal_cb(struct obd_export *exp,
1677 obd_page_removal_cb_t cb,
1678 obd_pin_extent_cb pin_cb)
1683 OBD_CHECK_DT_OP(exp->exp_obd, register_page_removal_cb, 0);
1684 OBD_COUNTER_INCREMENT(exp->exp_obd, register_page_removal_cb);
1686 rc = OBP(exp->exp_obd, register_page_removal_cb)(exp, cb, pin_cb);
1690 static inline int obd_unregister_page_removal_cb(struct obd_export *exp,
1691 obd_page_removal_cb_t cb)
1696 OBD_CHECK_DT_OP(exp->exp_obd, unregister_page_removal_cb, 0);
1697 OBD_COUNTER_INCREMENT(exp->exp_obd, unregister_page_removal_cb);
1699 rc = OBP(exp->exp_obd, unregister_page_removal_cb)(exp, cb);
1703 static inline int obd_register_lock_cancel_cb(struct obd_export *exp,
1704 obd_lock_cancel_cb cb)
1709 OBD_CHECK_DT_OP(exp->exp_obd, register_lock_cancel_cb, 0);
1710 OBD_COUNTER_INCREMENT(exp->exp_obd, register_lock_cancel_cb);
1712 rc = OBP(exp->exp_obd, register_lock_cancel_cb)(exp, cb);
1716 static inline int obd_unregister_lock_cancel_cb(struct obd_export *exp,
1717 obd_lock_cancel_cb cb)
1722 OBD_CHECK_DT_OP(exp->exp_obd, unregister_lock_cancel_cb, 0);
1723 OBD_COUNTER_INCREMENT(exp->exp_obd, unregister_lock_cancel_cb);
1725 rc = OBP(exp->exp_obd, unregister_lock_cancel_cb)(exp, cb);
1730 /* metadata helpers */
1731 static inline int md_getstatus(struct obd_export *exp,
1732 struct lu_fid *fid, struct obd_capa **pc)
1737 EXP_CHECK_MD_OP(exp, getstatus);
1738 EXP_MD_COUNTER_INCREMENT(exp, getstatus);
1739 rc = MDP(exp->exp_obd, getstatus)(exp, fid, pc);
1743 static inline int md_getattr(struct obd_export *exp, const struct lu_fid *fid,
1744 struct obd_capa *oc, obd_valid valid, int ea_size,
1745 struct ptlrpc_request **request)
1749 EXP_CHECK_MD_OP(exp, getattr);
1750 EXP_MD_COUNTER_INCREMENT(exp, getattr);
1751 rc = MDP(exp->exp_obd, getattr)(exp, fid, oc, valid,
1756 static inline int md_change_cbdata(struct obd_export *exp,
1757 const struct lu_fid *fid,
1758 ldlm_iterator_t it, void *data)
1762 EXP_CHECK_MD_OP(exp, change_cbdata);
1763 EXP_MD_COUNTER_INCREMENT(exp, change_cbdata);
1764 rc = MDP(exp->exp_obd, change_cbdata)(exp, fid, it, data);
1768 static inline int md_close(struct obd_export *exp, struct md_op_data *op_data,
1769 struct md_open_data *mod,
1770 struct ptlrpc_request **request)
1774 EXP_CHECK_MD_OP(exp, close);
1775 EXP_MD_COUNTER_INCREMENT(exp, close);
1776 rc = MDP(exp->exp_obd, close)(exp, op_data, mod, request);
1780 static inline int md_create(struct obd_export *exp, struct md_op_data *op_data,
1781 const void *data, int datalen, int mode, __u32 uid,
1782 __u32 gid, cfs_cap_t cap_effective, __u64 rdev,
1783 struct ptlrpc_request **request)
1787 EXP_CHECK_MD_OP(exp, create);
1788 EXP_MD_COUNTER_INCREMENT(exp, create);
1789 rc = MDP(exp->exp_obd, create)(exp, op_data, data, datalen, mode,
1790 uid, gid, cap_effective, rdev, request);
1794 static inline int md_done_writing(struct obd_export *exp,
1795 struct md_op_data *op_data,
1796 struct md_open_data *mod)
1800 EXP_CHECK_MD_OP(exp, done_writing);
1801 EXP_MD_COUNTER_INCREMENT(exp, done_writing);
1802 rc = MDP(exp->exp_obd, done_writing)(exp, op_data, mod);
1806 static inline int md_enqueue(struct obd_export *exp,
1807 struct ldlm_enqueue_info *einfo,
1808 struct lookup_intent *it,
1809 struct md_op_data *op_data,
1810 struct lustre_handle *lockh,
1811 void *lmm, int lmmsize,
1812 struct ptlrpc_request **req,
1813 int extra_lock_flags)
1817 EXP_CHECK_MD_OP(exp, enqueue);
1818 EXP_MD_COUNTER_INCREMENT(exp, enqueue);
1819 rc = MDP(exp->exp_obd, enqueue)(exp, einfo, it, op_data, lockh,
1820 lmm, lmmsize, req, extra_lock_flags);
1824 static inline int md_getattr_name(struct obd_export *exp,
1825 const struct lu_fid *fid, struct obd_capa *oc,
1826 const char *name, int namelen,
1827 obd_valid valid, int ea_size, __u32 suppgid,
1828 struct ptlrpc_request **request)
1832 EXP_CHECK_MD_OP(exp, getattr_name);
1833 EXP_MD_COUNTER_INCREMENT(exp, getattr_name);
1834 rc = MDP(exp->exp_obd, getattr_name)(exp, fid, oc, name, namelen,
1835 valid, ea_size, suppgid, request);
1839 static inline int md_intent_lock(struct obd_export *exp,
1840 struct md_op_data *op_data, void *lmm,
1841 int lmmsize, struct lookup_intent *it,
1842 int flags, struct ptlrpc_request **reqp,
1843 ldlm_blocking_callback cb_blocking,
1844 int extra_lock_flags)
1848 EXP_CHECK_MD_OP(exp, intent_lock);
1849 EXP_MD_COUNTER_INCREMENT(exp, intent_lock);
1850 rc = MDP(exp->exp_obd, intent_lock)(exp, op_data, lmm, lmmsize,
1851 it, flags, reqp, cb_blocking,
1856 static inline int md_link(struct obd_export *exp, struct md_op_data *op_data,
1857 struct ptlrpc_request **request)
1861 EXP_CHECK_MD_OP(exp, link);
1862 EXP_MD_COUNTER_INCREMENT(exp, link);
1863 rc = MDP(exp->exp_obd, link)(exp, op_data, request);
1867 static inline int md_rename(struct obd_export *exp, struct md_op_data *op_data,
1868 const char *old, int oldlen, const char *new,
1869 int newlen, struct ptlrpc_request **request)
1873 EXP_CHECK_MD_OP(exp, rename);
1874 EXP_MD_COUNTER_INCREMENT(exp, rename);
1875 rc = MDP(exp->exp_obd, rename)(exp, op_data, old, oldlen, new,
1880 static inline int md_is_subdir(struct obd_export *exp,
1881 const struct lu_fid *pfid,
1882 const struct lu_fid *cfid,
1883 struct ptlrpc_request **request)
1887 EXP_CHECK_MD_OP(exp, is_subdir);
1888 EXP_MD_COUNTER_INCREMENT(exp, is_subdir);
1889 rc = MDP(exp->exp_obd, is_subdir)(exp, pfid, cfid, request);
1893 static inline int md_setattr(struct obd_export *exp, struct md_op_data *op_data,
1894 void *ea, int ealen, void *ea2, int ea2len,
1895 struct ptlrpc_request **request,
1896 struct md_open_data **mod)
1900 EXP_CHECK_MD_OP(exp, setattr);
1901 EXP_MD_COUNTER_INCREMENT(exp, setattr);
1902 rc = MDP(exp->exp_obd, setattr)(exp, op_data, ea, ealen,
1903 ea2, ea2len, request, mod);
1907 static inline int md_sync(struct obd_export *exp, const struct lu_fid *fid,
1908 struct obd_capa *oc, struct ptlrpc_request **request)
1912 EXP_CHECK_MD_OP(exp, sync);
1913 EXP_MD_COUNTER_INCREMENT(exp, sync);
1914 rc = MDP(exp->exp_obd, sync)(exp, fid, oc, request);
1918 static inline int md_readpage(struct obd_export *exp, const struct lu_fid *fid,
1919 struct obd_capa *oc, __u64 offset,
1921 struct ptlrpc_request **request)
1925 EXP_CHECK_MD_OP(exp, readpage);
1926 EXP_MD_COUNTER_INCREMENT(exp, readpage);
1927 rc = MDP(exp->exp_obd, readpage)(exp, fid, oc, offset, page, request);
1931 static inline int md_unlink(struct obd_export *exp, struct md_op_data *op_data,
1932 struct ptlrpc_request **request)
1936 EXP_CHECK_MD_OP(exp, unlink);
1937 EXP_MD_COUNTER_INCREMENT(exp, unlink);
1938 rc = MDP(exp->exp_obd, unlink)(exp, op_data, request);
1942 static inline int md_get_lustre_md(struct obd_export *exp,
1943 struct ptlrpc_request *req,
1944 struct obd_export *dt_exp,
1945 struct obd_export *md_exp,
1946 struct lustre_md *md)
1949 EXP_CHECK_MD_OP(exp, get_lustre_md);
1950 EXP_MD_COUNTER_INCREMENT(exp, get_lustre_md);
1951 RETURN(MDP(exp->exp_obd, get_lustre_md)(exp, req, dt_exp, md_exp, md));
1954 static inline int md_free_lustre_md(struct obd_export *exp,
1955 struct lustre_md *md)
1958 EXP_CHECK_MD_OP(exp, free_lustre_md);
1959 EXP_MD_COUNTER_INCREMENT(exp, free_lustre_md);
1960 RETURN(MDP(exp->exp_obd, free_lustre_md)(exp, md));
1963 static inline int md_setxattr(struct obd_export *exp,
1964 const struct lu_fid *fid, struct obd_capa *oc,
1965 obd_valid valid, const char *name,
1966 const char *input, int input_size,
1967 int output_size, int flags, __u32 suppgid,
1968 struct ptlrpc_request **request)
1971 EXP_CHECK_MD_OP(exp, setxattr);
1972 EXP_MD_COUNTER_INCREMENT(exp, setxattr);
1973 RETURN(MDP(exp->exp_obd, setxattr)(exp, fid, oc, valid, name, input,
1974 input_size, output_size, flags,
1978 static inline int md_getxattr(struct obd_export *exp,
1979 const struct lu_fid *fid, struct obd_capa *oc,
1980 obd_valid valid, const char *name,
1981 const char *input, int input_size,
1982 int output_size, int flags,
1983 struct ptlrpc_request **request)
1986 EXP_CHECK_MD_OP(exp, getxattr);
1987 EXP_MD_COUNTER_INCREMENT(exp, getxattr);
1988 RETURN(MDP(exp->exp_obd, getxattr)(exp, fid, oc, valid, name, input,
1989 input_size, output_size, flags,
1993 static inline int md_set_open_replay_data(struct obd_export *exp,
1994 struct obd_client_handle *och,
1995 struct ptlrpc_request *open_req)
1998 EXP_CHECK_MD_OP(exp, set_open_replay_data);
1999 EXP_MD_COUNTER_INCREMENT(exp, set_open_replay_data);
2000 RETURN(MDP(exp->exp_obd, set_open_replay_data)(exp, och, open_req));
2003 static inline int md_clear_open_replay_data(struct obd_export *exp,
2004 struct obd_client_handle *och)
2007 EXP_CHECK_MD_OP(exp, clear_open_replay_data);
2008 EXP_MD_COUNTER_INCREMENT(exp, clear_open_replay_data);
2009 RETURN(MDP(exp->exp_obd, clear_open_replay_data)(exp, och));
2012 static inline int md_set_lock_data(struct obd_export *exp,
2013 __u64 *lockh, void *data, __u32 *bits)
2016 EXP_CHECK_MD_OP(exp, set_lock_data);
2017 EXP_MD_COUNTER_INCREMENT(exp, set_lock_data);
2018 RETURN(MDP(exp->exp_obd, set_lock_data)(exp, lockh, data, bits));
2021 static inline int md_cancel_unused(struct obd_export *exp,
2022 const struct lu_fid *fid,
2023 ldlm_policy_data_t *policy,
2024 ldlm_mode_t mode, int flags, void *opaque)
2029 EXP_CHECK_MD_OP(exp, cancel_unused);
2030 EXP_MD_COUNTER_INCREMENT(exp, cancel_unused);
2032 rc = MDP(exp->exp_obd, cancel_unused)(exp, fid, policy, mode,
2037 static inline ldlm_mode_t md_lock_match(struct obd_export *exp, int flags,
2038 const struct lu_fid *fid,
2040 ldlm_policy_data_t *policy,
2042 struct lustre_handle *lockh)
2045 EXP_CHECK_MD_OP(exp, lock_match);
2046 EXP_MD_COUNTER_INCREMENT(exp, lock_match);
2047 RETURN(MDP(exp->exp_obd, lock_match)(exp, flags, fid, type,
2048 policy, mode, lockh));
2051 static inline int md_init_ea_size(struct obd_export *exp, int easize,
2052 int def_asize, int cookiesize)
2055 EXP_CHECK_MD_OP(exp, init_ea_size);
2056 EXP_MD_COUNTER_INCREMENT(exp, init_ea_size);
2057 RETURN(MDP(exp->exp_obd, init_ea_size)(exp, easize, def_asize,
2061 static inline int md_get_remote_perm(struct obd_export *exp,
2062 const struct lu_fid *fid,
2063 struct obd_capa *oc, __u32 suppgid,
2064 struct ptlrpc_request **request)
2067 EXP_CHECK_MD_OP(exp, get_remote_perm);
2068 EXP_MD_COUNTER_INCREMENT(exp, get_remote_perm);
2069 RETURN(MDP(exp->exp_obd, get_remote_perm)(exp, fid, oc, suppgid,
2073 static inline int md_renew_capa(struct obd_export *exp, struct obd_capa *ocapa,
2078 EXP_CHECK_MD_OP(exp, renew_capa);
2079 EXP_MD_COUNTER_INCREMENT(exp, renew_capa);
2080 rc = MDP(exp->exp_obd, renew_capa)(exp, ocapa, cb);
2084 static inline int md_unpack_capa(struct obd_export *exp,
2085 struct ptlrpc_request *req,
2086 const struct req_msg_field *field,
2087 struct obd_capa **oc)
2091 EXP_CHECK_MD_OP(exp, unpack_capa);
2092 EXP_MD_COUNTER_INCREMENT(exp, unpack_capa);
2093 rc = MDP(exp->exp_obd, unpack_capa)(exp, req, field, oc);
2097 static inline int md_intent_getattr_async(struct obd_export *exp,
2098 struct md_enqueue_info *minfo,
2099 struct ldlm_enqueue_info *einfo)
2103 EXP_CHECK_MD_OP(exp, intent_getattr_async);
2104 EXP_MD_COUNTER_INCREMENT(exp, intent_getattr_async);
2105 rc = MDP(exp->exp_obd, intent_getattr_async)(exp, minfo, einfo);
2109 static inline int md_revalidate_lock(struct obd_export *exp,
2110 struct lookup_intent *it,
2115 EXP_CHECK_MD_OP(exp, revalidate_lock);
2116 EXP_MD_COUNTER_INCREMENT(exp, revalidate_lock);
2117 rc = MDP(exp->exp_obd, revalidate_lock)(exp, it, fid);
2122 /* OBD Metadata Support */
2124 extern int obd_init_caches(void);
2125 extern void obd_cleanup_caches(void);
2127 /* support routines */
2128 extern cfs_mem_cache_t *obdo_cachep;
2130 #define OBDO_ALLOC(ptr) \
2132 OBD_SLAB_ALLOC_PTR((ptr), obdo_cachep); \
2135 #define OBDO_FREE(ptr) \
2137 OBD_SLAB_FREE_PTR((ptr), obdo_cachep); \
2141 static inline void obdo2fid(struct obdo *oa, struct lu_fid *fid)
2143 /* something here */
2146 static inline void fid2obdo(struct lu_fid *fid, struct obdo *oa)
2148 /* something here */
2151 /* I'm as embarrassed about this as you are.
2153 * <shaver> // XXX do not look into _superhack with remaining eye
2154 * <shaver> // XXX if this were any uglier, I'd get my own show on MTV */
2155 extern int (*ptlrpc_put_connection_superhack)(struct ptlrpc_connection *c);
2158 extern void obd_sysctl_init (void);
2159 extern void obd_sysctl_clean (void);
2162 typedef __u8 class_uuid_t[16];
2163 void class_uuid_unparse(class_uuid_t in, struct obd_uuid *out);
2166 int lustre_uuid_to_peer(const char *uuid, lnet_nid_t *peer_nid, int index);
2167 int class_add_uuid(const char *uuid, __u64 nid);
2168 int class_del_uuid (const char *uuid);
2169 void class_init_uuidlist(void);
2170 void class_exit_uuidlist(void);
2173 int mea_name2idx(struct lmv_stripe_md *mea, const char *name, int namelen);
2174 int raw_name2idx(int hashtype, int count, const char *name, int namelen);
2177 void ll_generate_random_uuid(class_uuid_t uuid_out);
2179 #endif /* __LINUX_OBD_CLASS_H */