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 *);
68 extern int class_handle_ioctl(unsigned int cmd, unsigned long arg);
70 struct lu_device_type;
73 struct obd_export *class_conn2export(struct lustre_handle *);
74 int class_register_type(struct obd_ops *, struct md_ops *,
75 struct lprocfs_vars *, const char *nm,
76 struct lu_device_type *ldt);
77 int class_unregister_type(const char *nm);
79 struct obd_device *class_newdev(const char *type_name, const char *name);
80 void class_release_dev(struct obd_device *obd);
82 int class_name2dev(const char *name);
83 struct obd_device *class_name2obd(const char *name);
84 int class_uuid2dev(struct obd_uuid *uuid);
85 struct obd_device *class_uuid2obd(struct obd_uuid *uuid);
86 void class_obd_list(void);
87 struct obd_device * class_find_client_obd(struct obd_uuid *tgt_uuid,
88 const char * typ_name,
89 struct obd_uuid *grp_uuid);
90 struct obd_device * class_devices_in_group(struct obd_uuid *grp_uuid,
92 struct obd_device * class_num2obd(int num);
94 int class_notify_sptlrpc_conf(const char *fsname, int namelen);
96 char *obd_export_nid2str(struct obd_export *exp);
98 int obd_export_evict_by_nid(struct obd_device *obd, const char *nid);
99 int obd_export_evict_by_uuid(struct obd_device *obd, const char *uuid);
101 int obd_zombie_impexp_init(void);
102 void obd_zombie_impexp_stop(void);
103 void obd_zombie_impexp_cull(void);
104 void obd_zombie_barrier(void);
105 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 static inline struct lu_target *class_exp2tgt(struct obd_export *exp)
276 LASSERT(exp->exp_obd);
277 return exp->exp_obd->u.obt.obt_lut;
280 static inline struct lr_server_data *class_server_data(struct obd_device *obd)
282 LASSERT(obd->u.obt.obt_lut);
283 return &obd->u.obt.obt_lut->lut_lsd;
286 void obdo_cpy_md(struct obdo *dst, struct obdo *src, obd_flag valid);
287 void obdo_to_ioobj(struct obdo *oa, struct obd_ioobj *ioobj);
288 void obdo_from_iattr(struct obdo *oa, struct iattr *attr,
289 unsigned int ia_valid);
290 void iattr_from_obdo(struct iattr *attr, struct obdo *oa, obd_flag valid);
291 void md_from_obdo(struct md_op_data *op_data, struct obdo *oa, obd_flag valid);
292 void obdo_from_md(struct obdo *oa, struct md_op_data *op_data,
295 #define OBT(dev) (dev)->obd_type
296 #define OBP(dev, op) (dev)->obd_type->typ_dt_ops->o_ ## op
297 #define MDP(dev, op) (dev)->obd_type->typ_md_ops->m_ ## op
298 #define CTXTP(ctxt, op) (ctxt)->loc_logops->lop_##op
300 /* Ensure obd_setup: used for cleanup which must be called
301 while obd is stopping */
302 #define OBD_CHECK_DEV(obd) \
305 CERROR("NULL device\n"); \
310 /* ensure obd_setup and !obd_stopping */
311 #define OBD_CHECK_DEV_ACTIVE(obd) \
313 OBD_CHECK_DEV(obd); \
314 if (!(obd)->obd_set_up || (obd)->obd_stopping) { \
315 CERROR("Device %d not setup\n", \
323 #define OBD_COUNTER_OFFSET(op) \
324 ((offsetof(struct obd_ops, o_ ## op) - \
325 offsetof(struct obd_ops, o_iocontrol)) \
326 / sizeof(((struct obd_ops *)(0))->o_iocontrol))
328 #define OBD_COUNTER_INCREMENT(obdx, op) \
329 if ((obdx)->obd_stats != NULL) { \
330 unsigned int coffset; \
331 coffset = (unsigned int)((obdx)->obd_cntr_base) + \
332 OBD_COUNTER_OFFSET(op); \
333 LASSERT(coffset < (obdx)->obd_stats->ls_num); \
334 lprocfs_counter_incr((obdx)->obd_stats, coffset); \
337 #define EXP_COUNTER_INCREMENT(export, op) \
338 if ((export)->exp_obd->obd_stats != NULL) { \
339 unsigned int coffset; \
340 coffset = (unsigned int)((export)->exp_obd->obd_cntr_base) + \
341 OBD_COUNTER_OFFSET(op); \
342 LASSERT(coffset < (export)->exp_obd->obd_stats->ls_num); \
343 lprocfs_counter_incr((export)->exp_obd->obd_stats, coffset); \
344 if ((export)->exp_nid_stats != NULL && \
345 (export)->exp_nid_stats->nid_stats != NULL) \
346 lprocfs_counter_incr( \
347 (export)->exp_nid_stats->nid_stats, coffset);\
350 #define MD_COUNTER_OFFSET(op) \
351 ((offsetof(struct md_ops, m_ ## op) - \
352 offsetof(struct md_ops, m_getstatus)) \
353 / sizeof(((struct md_ops *)(0))->m_getstatus))
355 #define MD_COUNTER_INCREMENT(obdx, op) \
356 if ((obd)->md_stats != NULL) { \
357 unsigned int coffset; \
358 coffset = (unsigned int)((obdx)->md_cntr_base) + \
359 MD_COUNTER_OFFSET(op); \
360 LASSERT(coffset < (obdx)->md_stats->ls_num); \
361 lprocfs_counter_incr((obdx)->md_stats, coffset); \
364 #define EXP_MD_COUNTER_INCREMENT(export, op) \
365 if ((export)->exp_obd->obd_stats != NULL) { \
366 unsigned int coffset; \
367 coffset = (unsigned int)((export)->exp_obd->md_cntr_base) + \
368 MD_COUNTER_OFFSET(op); \
369 LASSERT(coffset < (export)->exp_obd->md_stats->ls_num); \
370 lprocfs_counter_incr((export)->exp_obd->md_stats, coffset); \
371 if ((export)->exp_md_stats != NULL) \
372 lprocfs_counter_incr( \
373 (export)->exp_md_stats, coffset); \
377 #define OBD_COUNTER_OFFSET(op)
378 #define OBD_COUNTER_INCREMENT(obd, op)
379 #define EXP_COUNTER_INCREMENT(exp, op)
380 #define MD_COUNTER_INCREMENT(obd, op)
381 #define EXP_MD_COUNTER_INCREMENT(exp, op)
384 #define OBD_CHECK_MD_OP(obd, op, err) \
386 if (!OBT(obd) || !MDP((obd), op)) { \
388 CERROR("md_" #op ": dev %s/%d no operation\n", \
389 obd->obd_name, obd->obd_minor); \
394 #define EXP_CHECK_MD_OP(exp, op) \
396 if ((exp) == NULL) { \
397 CERROR("obd_" #op ": NULL export\n"); \
400 if ((exp)->exp_obd == NULL || !OBT((exp)->exp_obd)) { \
401 CERROR("obd_" #op ": cleaned up obd\n"); \
402 RETURN(-EOPNOTSUPP); \
404 if (!OBT((exp)->exp_obd) || !MDP((exp)->exp_obd, op)) { \
405 CERROR("obd_" #op ": dev %s/%d no operation\n", \
406 (exp)->exp_obd->obd_name, \
407 (exp)->exp_obd->obd_minor); \
408 RETURN(-EOPNOTSUPP); \
413 #define OBD_CHECK_DT_OP(obd, op, err) \
415 if (!OBT(obd) || !OBP((obd), op)) { \
417 CERROR("obd_" #op ": dev %d no operation\n", \
423 #define EXP_CHECK_DT_OP(exp, op) \
425 if ((exp) == NULL) { \
426 CERROR("obd_" #op ": NULL export\n"); \
429 if ((exp)->exp_obd == NULL || !OBT((exp)->exp_obd)) { \
430 CERROR("obd_" #op ": cleaned up obd\n"); \
431 RETURN(-EOPNOTSUPP); \
433 if (!OBT((exp)->exp_obd) || !OBP((exp)->exp_obd, op)) { \
434 CERROR("obd_" #op ": dev %d no operation\n", \
435 (exp)->exp_obd->obd_minor); \
436 RETURN(-EOPNOTSUPP); \
440 #define CTXT_CHECK_OP(ctxt, op, err) \
442 if (!OBT(ctxt->loc_obd) || !CTXTP((ctxt), op)) { \
444 CERROR("lop_" #op ": dev %d no operation\n", \
445 ctxt->loc_obd->obd_minor); \
450 static inline int class_devno_max(void)
452 return MAX_OBD_DEVICES;
455 static inline int obd_get_info(struct obd_export *exp, __u32 keylen,
456 void *key, __u32 *vallen, void *val,
457 struct lov_stripe_md *lsm)
462 EXP_CHECK_DT_OP(exp, get_info);
463 EXP_COUNTER_INCREMENT(exp, get_info);
465 rc = OBP(exp->exp_obd, get_info)(exp, keylen, key, vallen, val, lsm);
469 static inline int obd_set_info_async(struct obd_export *exp, obd_count keylen,
470 void *key, obd_count vallen, void *val,
471 struct ptlrpc_request_set *set)
476 EXP_CHECK_DT_OP(exp, set_info_async);
477 EXP_COUNTER_INCREMENT(exp, set_info_async);
479 rc = OBP(exp->exp_obd, set_info_async)(exp, keylen, key, vallen, val,
485 * obd-lu integration.
487 * Functionality is being moved into new lu_device-based layering, but some
488 * pieces of configuration process are still based on obd devices.
490 * Specifically, lu_device_type_operations::ldto_device_alloc() methods fully
491 * subsume ->o_setup() methods of obd devices they replace. The same for
492 * lu_device_operations::ldo_process_config() and ->o_process_config(). As a
493 * result, obd_setup() and obd_process_config() branch and call one XOR
496 * Yet neither lu_device_type_operations::ldto_device_fini() nor
497 * lu_device_type_operations::ldto_device_free() fully implement the
498 * functionality of ->o_precleanup() and ->o_cleanup() they override. Hence,
499 * obd_precleanup() and obd_cleanup() call both lu_device and obd operations.
502 #define DECLARE_LU_VARS(ldt, d) \
503 struct lu_device_type *ldt; \
506 static inline int obd_setup(struct obd_device *obd, struct lustre_cfg *cfg)
509 DECLARE_LU_VARS(ldt, d);
512 ldt = obd->obd_type->typ_lu;
514 struct lu_context session_ctx;
516 lu_context_init(&session_ctx, LCT_SESSION);
517 session_ctx.lc_thread = NULL;
518 lu_context_enter(&session_ctx);
520 rc = lu_env_init(&env, ldt->ldt_ctx_tags);
522 env.le_ses = &session_ctx;
523 d = ldt->ldt_ops->ldto_device_alloc(&env, ldt, cfg);
532 lu_context_exit(&session_ctx);
533 lu_context_fini(&session_ctx);
536 OBD_CHECK_DT_OP(obd, setup, -EOPNOTSUPP);
537 OBD_COUNTER_INCREMENT(obd, setup);
538 rc = OBP(obd, setup)(obd, cfg);
543 static inline int obd_precleanup(struct obd_device *obd,
544 enum obd_cleanup_stage cleanup_stage)
547 DECLARE_LU_VARS(ldt, d);
551 ldt = obd->obd_type->typ_lu;
553 if (ldt != NULL && d != NULL) {
554 if (cleanup_stage == OBD_CLEANUP_EXPORTS) {
557 rc = lu_env_init(&env, ldt->ldt_ctx_tags);
559 ldt->ldt_ops->ldto_device_fini(&env, d);
564 OBD_CHECK_DT_OP(obd, precleanup, 0);
565 OBD_COUNTER_INCREMENT(obd, precleanup);
567 rc = OBP(obd, precleanup)(obd, cleanup_stage);
571 static inline int obd_cleanup(struct obd_device *obd)
574 DECLARE_LU_VARS(ldt, d);
579 ldt = obd->obd_type->typ_lu;
581 if (ldt != NULL && d != NULL) {
584 rc = lu_env_init(&env, ldt->ldt_ctx_tags);
586 ldt->ldt_ops->ldto_device_free(&env, d);
588 obd->obd_lu_dev = NULL;
591 OBD_CHECK_DT_OP(obd, cleanup, 0);
592 OBD_COUNTER_INCREMENT(obd, cleanup);
594 rc = OBP(obd, cleanup)(obd);
599 obd_process_config(struct obd_device *obd, int datalen, void *data)
602 DECLARE_LU_VARS(ldt, d);
607 obd->obd_process_conf = 1;
608 ldt = obd->obd_type->typ_lu;
610 if (ldt != NULL && d != NULL) {
613 rc = lu_env_init(&env, ldt->ldt_ctx_tags);
615 rc = d->ld_ops->ldo_process_config(&env, d, data);
619 OBD_CHECK_DT_OP(obd, process_config, -EOPNOTSUPP);
620 rc = OBP(obd, process_config)(obd, datalen, data);
622 OBD_COUNTER_INCREMENT(obd, process_config);
623 obd->obd_process_conf = 0;
628 /* Pack an in-memory MD struct for storage on disk.
629 * Returns +ve size of packed MD (0 for free), or -ve error.
631 * If @disk_tgt == NULL, MD size is returned (max size if @mem_src == NULL).
632 * If @*disk_tgt != NULL and @mem_src == NULL, @*disk_tgt will be freed.
633 * If @*disk_tgt == NULL, it will be allocated
635 static inline int obd_packmd(struct obd_export *exp,
636 struct lov_mds_md **disk_tgt,
637 struct lov_stripe_md *mem_src)
642 EXP_CHECK_DT_OP(exp, packmd);
643 EXP_COUNTER_INCREMENT(exp, packmd);
645 rc = OBP(exp->exp_obd, packmd)(exp, disk_tgt, mem_src);
649 static inline int obd_size_diskmd(struct obd_export *exp,
650 struct lov_stripe_md *mem_src)
652 return obd_packmd(exp, NULL, mem_src);
655 /* helper functions */
656 static inline int obd_alloc_diskmd(struct obd_export *exp,
657 struct lov_mds_md **disk_tgt)
660 LASSERT(*disk_tgt == NULL);
661 return obd_packmd(exp, disk_tgt, NULL);
664 static inline int obd_free_diskmd(struct obd_export *exp,
665 struct lov_mds_md **disk_tgt)
669 return obd_packmd(exp, disk_tgt, NULL);
672 /* Unpack an MD struct from disk to in-memory format.
673 * Returns +ve size of unpacked MD (0 for free), or -ve error.
675 * If @mem_tgt == NULL, MD size is returned (max size if @disk_src == NULL).
676 * If @*mem_tgt != NULL and @disk_src == NULL, @*mem_tgt will be freed.
677 * If @*mem_tgt == NULL, it will be allocated
679 static inline int obd_unpackmd(struct obd_export *exp,
680 struct lov_stripe_md **mem_tgt,
681 struct lov_mds_md *disk_src,
687 EXP_CHECK_DT_OP(exp, unpackmd);
688 EXP_COUNTER_INCREMENT(exp, unpackmd);
690 rc = OBP(exp->exp_obd, unpackmd)(exp, mem_tgt, disk_src, disk_len);
694 /* helper functions */
695 static inline int obd_alloc_memmd(struct obd_export *exp,
696 struct lov_stripe_md **mem_tgt)
699 LASSERT(*mem_tgt == NULL);
700 return obd_unpackmd(exp, mem_tgt, NULL, 0);
703 static inline int obd_free_memmd(struct obd_export *exp,
704 struct lov_stripe_md **mem_tgt)
710 rc = obd_unpackmd(exp, mem_tgt, NULL, 0);
715 static inline int obd_precreate(struct obd_export *exp)
720 EXP_CHECK_DT_OP(exp, precreate);
721 OBD_COUNTER_INCREMENT(exp->exp_obd, precreate);
723 rc = OBP(exp->exp_obd, precreate)(exp);
727 static inline int obd_create_async(struct obd_export *exp,
728 struct obd_info *oinfo,
729 struct lov_stripe_md **ea,
730 struct obd_trans_info *oti)
735 EXP_CHECK_DT_OP(exp, create_async);
736 EXP_COUNTER_INCREMENT(exp, create_async);
738 rc = OBP(exp->exp_obd, create_async)(exp, oinfo, ea, oti);
742 static inline int obd_create(struct obd_export *exp, struct obdo *obdo,
743 struct lov_stripe_md **ea,
744 struct obd_trans_info *oti)
749 EXP_CHECK_DT_OP(exp, create);
750 EXP_COUNTER_INCREMENT(exp, create);
752 rc = OBP(exp->exp_obd, create)(exp, obdo, ea, oti);
756 static inline int obd_destroy(struct obd_export *exp, struct obdo *obdo,
757 struct lov_stripe_md *ea,
758 struct obd_trans_info *oti,
759 struct obd_export *md_exp, void *capa)
764 EXP_CHECK_DT_OP(exp, destroy);
765 EXP_COUNTER_INCREMENT(exp, destroy);
767 rc = OBP(exp->exp_obd, destroy)(exp, obdo, ea, oti, md_exp, capa);
771 static inline int obd_getattr(struct obd_export *exp, struct obd_info *oinfo)
776 EXP_CHECK_DT_OP(exp, getattr);
777 EXP_COUNTER_INCREMENT(exp, getattr);
779 rc = OBP(exp->exp_obd, getattr)(exp, oinfo);
783 static inline int obd_getattr_async(struct obd_export *exp,
784 struct obd_info *oinfo,
785 struct ptlrpc_request_set *set)
790 EXP_CHECK_DT_OP(exp, getattr_async);
791 EXP_COUNTER_INCREMENT(exp, getattr_async);
793 rc = OBP(exp->exp_obd, getattr_async)(exp, oinfo, set);
797 static inline int obd_setattr(struct obd_export *exp, struct obd_info *oinfo,
798 struct obd_trans_info *oti)
803 EXP_CHECK_DT_OP(exp, setattr);
804 EXP_COUNTER_INCREMENT(exp, setattr);
806 rc = OBP(exp->exp_obd, setattr)(exp, oinfo, oti);
810 /* This performs all the requests set init/wait/destroy actions. */
811 static inline int obd_setattr_rqset(struct obd_export *exp,
812 struct obd_info *oinfo,
813 struct obd_trans_info *oti)
815 struct ptlrpc_request_set *set = NULL;
819 EXP_CHECK_DT_OP(exp, setattr_async);
820 EXP_COUNTER_INCREMENT(exp, setattr_async);
822 set = ptlrpc_prep_set();
826 rc = OBP(exp->exp_obd, setattr_async)(exp, oinfo, oti, set);
828 rc = ptlrpc_set_wait(set);
829 ptlrpc_set_destroy(set);
833 /* This adds all the requests into @set if @set != NULL, otherwise
834 all requests are sent asynchronously without waiting for response. */
835 static inline int obd_setattr_async(struct obd_export *exp,
836 struct obd_info *oinfo,
837 struct obd_trans_info *oti,
838 struct ptlrpc_request_set *set)
843 EXP_CHECK_DT_OP(exp, setattr_async);
844 EXP_COUNTER_INCREMENT(exp, setattr_async);
846 rc = OBP(exp->exp_obd, setattr_async)(exp, oinfo, oti, set);
850 static inline int obd_add_conn(struct obd_import *imp, struct obd_uuid *uuid,
853 struct obd_device *obd = imp->imp_obd;
857 OBD_CHECK_DEV_ACTIVE(obd);
858 OBD_CHECK_DT_OP(obd, add_conn, -EOPNOTSUPP);
859 OBD_COUNTER_INCREMENT(obd, add_conn);
861 rc = OBP(obd, add_conn)(imp, uuid, priority);
865 static inline int obd_del_conn(struct obd_import *imp, struct obd_uuid *uuid)
867 struct obd_device *obd = imp->imp_obd;
871 OBD_CHECK_DEV_ACTIVE(obd);
872 OBD_CHECK_DT_OP(obd, del_conn, -EOPNOTSUPP);
873 OBD_COUNTER_INCREMENT(obd, del_conn);
875 rc = OBP(obd, del_conn)(imp, uuid);
879 static inline struct obd_uuid *obd_get_uuid(struct obd_export *exp)
881 struct obd_uuid *uuid;
884 OBD_CHECK_DT_OP(exp->exp_obd, get_uuid, NULL);
885 EXP_COUNTER_INCREMENT(exp, get_uuid);
887 uuid = OBP(exp->exp_obd, get_uuid)(exp);
891 static inline int obd_connect(const struct lu_env *env,
892 struct obd_export **exp,struct obd_device *obd,
893 struct obd_uuid *cluuid,
894 struct obd_connect_data *d,
898 __u64 ocf = d ? d->ocd_connect_flags : 0; /* for post-condition
902 OBD_CHECK_DEV_ACTIVE(obd);
903 OBD_CHECK_DT_OP(obd, connect, -EOPNOTSUPP);
904 OBD_COUNTER_INCREMENT(obd, connect);
906 rc = OBP(obd, connect)(env, exp, obd, cluuid, d, localdata);
907 /* check that only subset is granted */
908 LASSERT(ergo(d != NULL,
909 (d->ocd_connect_flags & ocf) == d->ocd_connect_flags));
913 static inline int obd_reconnect(const struct lu_env *env,
914 struct obd_export *exp,
915 struct obd_device *obd,
916 struct obd_uuid *cluuid,
917 struct obd_connect_data *d,
921 __u64 ocf = d ? d->ocd_connect_flags : 0; /* for post-condition
926 OBD_CHECK_DEV_ACTIVE(obd);
927 OBD_CHECK_DT_OP(obd, reconnect, 0);
928 OBD_COUNTER_INCREMENT(obd, reconnect);
930 rc = OBP(obd, reconnect)(env, exp, obd, cluuid, d, localdata);
931 /* check that only subset is granted */
932 LASSERT(ergo(d != NULL,
933 (d->ocd_connect_flags & ocf) == d->ocd_connect_flags));
937 static inline int obd_disconnect(struct obd_export *exp)
942 EXP_CHECK_DT_OP(exp, disconnect);
943 EXP_COUNTER_INCREMENT(exp, disconnect);
945 rc = OBP(exp->exp_obd, disconnect)(exp);
949 static inline int obd_fid_init(struct obd_export *exp)
954 OBD_CHECK_DT_OP(exp->exp_obd, fid_init, 0);
955 EXP_COUNTER_INCREMENT(exp, fid_init);
957 rc = OBP(exp->exp_obd, fid_init)(exp);
961 static inline int obd_fid_fini(struct obd_export *exp)
966 OBD_CHECK_DT_OP(exp->exp_obd, fid_fini, 0);
967 EXP_COUNTER_INCREMENT(exp, fid_fini);
969 rc = OBP(exp->exp_obd, fid_fini)(exp);
973 static inline int obd_fid_alloc(struct obd_export *exp,
975 struct md_op_data *op_data)
980 EXP_CHECK_DT_OP(exp, fid_alloc);
981 EXP_COUNTER_INCREMENT(exp, fid_alloc);
983 rc = OBP(exp->exp_obd, fid_alloc)(exp, fid, op_data);
987 static inline int obd_fid_delete(struct obd_export *exp,
988 const struct lu_fid *fid)
993 EXP_CHECK_DT_OP(exp, fid_delete);
994 EXP_COUNTER_INCREMENT(exp, fid_delete);
996 rc = OBP(exp->exp_obd, fid_delete)(exp, fid);
1000 static inline int obd_ping(struct obd_export *exp)
1005 OBD_CHECK_DT_OP(exp->exp_obd, ping, 0);
1006 EXP_COUNTER_INCREMENT(exp, ping);
1008 rc = OBP(exp->exp_obd, ping)(exp);
1012 static inline int obd_pool_new(struct obd_device *obd, char *poolname)
1017 OBD_CHECK_DT_OP(obd, pool_new, -EOPNOTSUPP);
1018 OBD_COUNTER_INCREMENT(obd, pool_new);
1020 rc = OBP(obd, pool_new)(obd, poolname);
1024 static inline int obd_pool_del(struct obd_device *obd, char *poolname)
1029 OBD_CHECK_DT_OP(obd, pool_del, -EOPNOTSUPP);
1030 OBD_COUNTER_INCREMENT(obd, pool_del);
1032 rc = OBP(obd, pool_del)(obd, poolname);
1036 static inline int obd_pool_add(struct obd_device *obd, char *poolname, char *ostname)
1041 OBD_CHECK_DT_OP(obd, pool_add, -EOPNOTSUPP);
1042 OBD_COUNTER_INCREMENT(obd, pool_add);
1044 rc = OBP(obd, pool_add)(obd, poolname, ostname);
1048 static inline int obd_pool_rem(struct obd_device *obd, char *poolname, char *ostname)
1053 OBD_CHECK_DT_OP(obd, pool_rem, -EOPNOTSUPP);
1054 OBD_COUNTER_INCREMENT(obd, pool_rem);
1056 rc = OBP(obd, pool_rem)(obd, poolname, ostname);
1060 static inline void obd_getref(struct obd_device *obd)
1063 if (OBT(obd) && OBP(obd, getref)) {
1064 OBD_COUNTER_INCREMENT(obd, getref);
1065 OBP(obd, getref)(obd);
1070 static inline void obd_putref(struct obd_device *obd)
1073 if (OBT(obd) && OBP(obd, putref)) {
1074 OBD_COUNTER_INCREMENT(obd, putref);
1075 OBP(obd, putref)(obd);
1080 static inline int obd_init_export(struct obd_export *exp)
1085 if ((exp)->exp_obd != NULL && OBT((exp)->exp_obd) &&
1086 OBP((exp)->exp_obd, init_export))
1087 rc = OBP(exp->exp_obd, init_export)(exp);
1091 static inline int obd_destroy_export(struct obd_export *exp)
1094 if ((exp)->exp_obd != NULL && OBT((exp)->exp_obd) &&
1095 OBP((exp)->exp_obd, destroy_export))
1096 OBP(exp->exp_obd, destroy_export)(exp);
1100 static inline int obd_extent_calc(struct obd_export *exp,
1101 struct lov_stripe_md *md,
1102 int cmd, obd_off *offset)
1106 EXP_CHECK_DT_OP(exp, extent_calc);
1107 rc = OBP(exp->exp_obd, extent_calc)(exp, md, cmd, offset);
1111 static inline struct dentry *
1112 obd_lvfs_fid2dentry(struct obd_export *exp, __u64 id_ino, __u32 gen, __u64 gr)
1114 LASSERT(exp->exp_obd);
1116 return lvfs_fid2dentry(&exp->exp_obd->obd_lvfs_ctxt, id_ino, gen, gr,
1121 obd_lvfs_open_llog(struct obd_export *exp, __u64 id_ino, struct dentry *dentry)
1123 LASSERT(exp->exp_obd);
1124 CERROR("FIXME what's the story here? This needs to be an obd fn?\n");
1126 return lvfs_open_llog(&exp->exp_obd->obd_lvfs_ctxt, id_ino,
1127 dentry, exp->exp_obd);
1132 /* @max_age is the oldest time in jiffies that we accept using a cached data.
1133 * If the cache is older than @max_age we will get a new value from the
1134 * target. Use a value of "cfs_time_current() + HZ" to guarantee freshness. */
1135 static inline int obd_statfs_async(struct obd_device *obd,
1136 struct obd_info *oinfo,
1138 struct ptlrpc_request_set *rqset)
1146 OBD_CHECK_DT_OP(obd, statfs, -EOPNOTSUPP);
1147 OBD_COUNTER_INCREMENT(obd, statfs);
1149 CDEBUG(D_SUPER, "%s: osfs %p age "LPU64", max_age "LPU64"\n",
1150 obd->obd_name, &obd->obd_osfs, obd->obd_osfs_age, max_age);
1151 if (cfs_time_before_64(obd->obd_osfs_age, max_age)) {
1152 rc = OBP(obd, statfs_async)(obd, oinfo, max_age, rqset);
1154 CDEBUG(D_SUPER,"%s: use %p cache blocks "LPU64"/"LPU64
1155 " objects "LPU64"/"LPU64"\n",
1156 obd->obd_name, &obd->obd_osfs,
1157 obd->obd_osfs.os_bavail, obd->obd_osfs.os_blocks,
1158 obd->obd_osfs.os_ffree, obd->obd_osfs.os_files);
1159 cfs_spin_lock(&obd->obd_osfs_lock);
1160 memcpy(oinfo->oi_osfs, &obd->obd_osfs, sizeof(*oinfo->oi_osfs));
1161 cfs_spin_unlock(&obd->obd_osfs_lock);
1162 oinfo->oi_flags |= OBD_STATFS_FROM_CACHE;
1163 if (oinfo->oi_cb_up)
1164 oinfo->oi_cb_up(oinfo, 0);
1169 static inline int obd_statfs_rqset(struct obd_device *obd,
1170 struct obd_statfs *osfs, __u64 max_age,
1173 struct ptlrpc_request_set *set = NULL;
1174 struct obd_info oinfo = { { { 0 } } };
1178 set = ptlrpc_prep_set();
1182 oinfo.oi_osfs = osfs;
1183 oinfo.oi_flags = flags;
1184 rc = obd_statfs_async(obd, &oinfo, max_age, set);
1186 rc = ptlrpc_set_wait(set);
1187 ptlrpc_set_destroy(set);
1191 /* @max_age is the oldest time in jiffies that we accept using a cached data.
1192 * If the cache is older than @max_age we will get a new value from the
1193 * target. Use a value of "cfs_time_current() + HZ" to guarantee freshness. */
1194 static inline int obd_statfs(struct obd_device *obd, struct obd_statfs *osfs,
1195 __u64 max_age, __u32 flags)
1203 OBD_CHECK_DT_OP(obd, statfs, -EOPNOTSUPP);
1204 OBD_COUNTER_INCREMENT(obd, statfs);
1206 CDEBUG(D_SUPER, "osfs "LPU64", max_age "LPU64"\n",
1207 obd->obd_osfs_age, max_age);
1208 if (cfs_time_before_64(obd->obd_osfs_age, max_age)) {
1209 rc = OBP(obd, statfs)(obd, osfs, max_age, flags);
1211 cfs_spin_lock(&obd->obd_osfs_lock);
1212 memcpy(&obd->obd_osfs, osfs, sizeof(obd->obd_osfs));
1213 obd->obd_osfs_age = cfs_time_current_64();
1214 cfs_spin_unlock(&obd->obd_osfs_lock);
1217 CDEBUG(D_SUPER,"%s: use %p cache blocks "LPU64"/"LPU64
1218 " objects "LPU64"/"LPU64"\n",
1219 obd->obd_name, &obd->obd_osfs,
1220 obd->obd_osfs.os_bavail, obd->obd_osfs.os_blocks,
1221 obd->obd_osfs.os_ffree, obd->obd_osfs.os_files);
1222 cfs_spin_lock(&obd->obd_osfs_lock);
1223 memcpy(osfs, &obd->obd_osfs, sizeof(*osfs));
1224 cfs_spin_unlock(&obd->obd_osfs_lock);
1229 static inline int obd_sync(struct obd_export *exp, struct obdo *oa,
1230 struct lov_stripe_md *ea, obd_size start,
1231 obd_size end, void *capa)
1236 OBD_CHECK_DT_OP(exp->exp_obd, sync, -EOPNOTSUPP);
1237 EXP_COUNTER_INCREMENT(exp, sync);
1239 rc = OBP(exp->exp_obd, sync)(exp, oa, ea, start, end, capa);
1243 static inline int obd_punch_rqset(struct obd_export *exp,
1244 struct obd_info *oinfo,
1245 struct obd_trans_info *oti)
1247 struct ptlrpc_request_set *set = NULL;
1251 EXP_CHECK_DT_OP(exp, punch);
1252 EXP_COUNTER_INCREMENT(exp, punch);
1254 set = ptlrpc_prep_set();
1258 rc = OBP(exp->exp_obd, punch)(exp, oinfo, oti, set);
1260 rc = ptlrpc_set_wait(set);
1261 ptlrpc_set_destroy(set);
1265 static inline int obd_punch(struct obd_export *exp, struct obd_info *oinfo,
1266 struct obd_trans_info *oti,
1267 struct ptlrpc_request_set *rqset)
1272 EXP_CHECK_DT_OP(exp, punch);
1273 EXP_COUNTER_INCREMENT(exp, punch);
1275 rc = OBP(exp->exp_obd, punch)(exp, oinfo, oti, rqset);
1279 static inline int obd_brw(int cmd, struct obd_export *exp,
1280 struct obd_info *oinfo, obd_count oa_bufs,
1281 struct brw_page *pg, struct obd_trans_info *oti)
1286 EXP_CHECK_DT_OP(exp, brw);
1287 EXP_COUNTER_INCREMENT(exp, brw);
1289 if (!(cmd & (OBD_BRW_RWMASK | OBD_BRW_CHECK))) {
1290 CERROR("obd_brw: cmd must be OBD_BRW_READ, OBD_BRW_WRITE, "
1291 "or OBD_BRW_CHECK\n");
1295 rc = OBP(exp->exp_obd, brw)(cmd, exp, oinfo, oa_bufs, pg, oti);
1299 static inline int obd_preprw(int cmd, struct obd_export *exp, struct obdo *oa,
1300 int objcount, struct obd_ioobj *obj,
1301 struct niobuf_remote *remote, int *pages,
1302 struct niobuf_local *local,
1303 struct obd_trans_info *oti,
1304 struct lustre_capa *capa)
1309 EXP_CHECK_DT_OP(exp, preprw);
1310 EXP_COUNTER_INCREMENT(exp, preprw);
1312 rc = OBP(exp->exp_obd, preprw)(cmd, exp, oa, objcount, obj, remote,
1313 pages, local, oti, capa);
1317 static inline int obd_commitrw(int cmd, struct obd_export *exp, struct obdo *oa,
1318 int objcount, struct obd_ioobj *obj,
1319 struct niobuf_remote *rnb, int pages,
1320 struct niobuf_local *local,
1321 struct obd_trans_info *oti, int rc)
1325 EXP_CHECK_DT_OP(exp, commitrw);
1326 EXP_COUNTER_INCREMENT(exp, commitrw);
1328 rc = OBP(exp->exp_obd, commitrw)(cmd, exp, oa, objcount, obj,
1329 rnb, pages, local, oti, rc);
1333 static inline int obd_merge_lvb(struct obd_export *exp,
1334 struct lov_stripe_md *lsm,
1335 struct ost_lvb *lvb, int kms_only)
1340 EXP_CHECK_DT_OP(exp, merge_lvb);
1341 EXP_COUNTER_INCREMENT(exp, merge_lvb);
1343 rc = OBP(exp->exp_obd, merge_lvb)(exp, lsm, lvb, kms_only);
1347 static inline int obd_adjust_kms(struct obd_export *exp,
1348 struct lov_stripe_md *lsm, obd_off size,
1354 EXP_CHECK_DT_OP(exp, adjust_kms);
1355 EXP_COUNTER_INCREMENT(exp, adjust_kms);
1357 rc = OBP(exp->exp_obd, adjust_kms)(exp, lsm, size, shrink);
1361 static inline int obd_iocontrol(unsigned int cmd, struct obd_export *exp,
1362 int len, void *karg, void *uarg)
1367 EXP_CHECK_DT_OP(exp, iocontrol);
1368 EXP_COUNTER_INCREMENT(exp, iocontrol);
1370 rc = OBP(exp->exp_obd, iocontrol)(cmd, exp, len, karg, uarg);
1374 static inline int obd_enqueue_rqset(struct obd_export *exp,
1375 struct obd_info *oinfo,
1376 struct ldlm_enqueue_info *einfo)
1378 struct ptlrpc_request_set *set = NULL;
1382 EXP_CHECK_DT_OP(exp, enqueue);
1383 EXP_COUNTER_INCREMENT(exp, enqueue);
1385 set = ptlrpc_prep_set();
1389 rc = OBP(exp->exp_obd, enqueue)(exp, oinfo, einfo, set);
1391 rc = ptlrpc_set_wait(set);
1392 ptlrpc_set_destroy(set);
1396 static inline int obd_enqueue(struct obd_export *exp,
1397 struct obd_info *oinfo,
1398 struct ldlm_enqueue_info *einfo,
1399 struct ptlrpc_request_set *set)
1404 EXP_CHECK_DT_OP(exp, enqueue);
1405 EXP_COUNTER_INCREMENT(exp, enqueue);
1407 rc = OBP(exp->exp_obd, enqueue)(exp, oinfo, einfo, set);
1411 static inline int obd_change_cbdata(struct obd_export *exp,
1412 struct lov_stripe_md *lsm,
1413 ldlm_iterator_t it, void *data)
1418 EXP_CHECK_DT_OP(exp, change_cbdata);
1419 EXP_COUNTER_INCREMENT(exp, change_cbdata);
1421 rc = OBP(exp->exp_obd, change_cbdata)(exp, lsm, it, data);
1425 static inline int obd_cancel(struct obd_export *exp,
1426 struct lov_stripe_md *ea, __u32 mode,
1427 struct lustre_handle *lockh)
1432 EXP_CHECK_DT_OP(exp, cancel);
1433 EXP_COUNTER_INCREMENT(exp, cancel);
1435 rc = OBP(exp->exp_obd, cancel)(exp, ea, mode, lockh);
1439 static inline int obd_cancel_unused(struct obd_export *exp,
1440 struct lov_stripe_md *ea,
1441 int flags, void *opaque)
1446 EXP_CHECK_DT_OP(exp, cancel_unused);
1447 EXP_COUNTER_INCREMENT(exp, cancel_unused);
1449 rc = OBP(exp->exp_obd, cancel_unused)(exp, ea, flags, opaque);
1453 static inline int obd_pin(struct obd_export *exp, const struct lu_fid *fid,
1454 struct obd_capa *oc, struct obd_client_handle *handle,
1460 EXP_CHECK_DT_OP(exp, pin);
1461 EXP_COUNTER_INCREMENT(exp, pin);
1463 rc = OBP(exp->exp_obd, pin)(exp, fid, oc, handle, flag);
1467 static inline int obd_unpin(struct obd_export *exp,
1468 struct obd_client_handle *handle, int flag)
1473 EXP_CHECK_DT_OP(exp, unpin);
1474 EXP_COUNTER_INCREMENT(exp, unpin);
1476 rc = OBP(exp->exp_obd, unpin)(exp, handle, flag);
1481 static inline void obd_import_event(struct obd_device *obd,
1482 struct obd_import *imp,
1483 enum obd_import_event event)
1487 CERROR("NULL device\n");
1491 if (obd->obd_set_up && OBP(obd, import_event)) {
1492 OBD_COUNTER_INCREMENT(obd, import_event);
1493 OBP(obd, import_event)(obd, imp, event);
1498 static inline int obd_llog_connect(struct obd_export *exp,
1499 struct llogd_conn_body *body)
1504 OBD_CHECK_DT_OP(exp->exp_obd, llog_connect, 0);
1505 EXP_COUNTER_INCREMENT(exp, llog_connect);
1507 rc = OBP(exp->exp_obd, llog_connect)(exp, body);
1512 static inline int obd_notify(struct obd_device *obd,
1513 struct obd_device *watched,
1514 enum obd_notify_event ev,
1521 /* the check for async_recov is a complete hack - I'm hereby
1522 overloading the meaning to also mean "this was called from
1523 mds_postsetup". I know that my mds is able to handle notifies
1524 by this point, and it needs to get them to execute mds_postrecov. */
1525 if (!obd->obd_set_up && !obd->obd_async_recov) {
1526 CDEBUG(D_HA, "obd %s not set up\n", obd->obd_name);
1530 if (!OBP(obd, notify)) {
1531 CERROR("obd %s has no notify handler\n", obd->obd_name);
1535 OBD_COUNTER_INCREMENT(obd, notify);
1536 rc = OBP(obd, notify)(obd, watched, ev, data);
1540 static inline int obd_notify_observer(struct obd_device *observer,
1541 struct obd_device *observed,
1542 enum obd_notify_event ev,
1548 struct obd_notify_upcall *onu;
1550 if (observer->obd_observer)
1551 rc1 = obd_notify(observer->obd_observer, observed, ev, data);
1555 * Also, call non-obd listener, if any
1557 onu = &observer->obd_upcall;
1558 if (onu->onu_upcall != NULL)
1559 rc2 = onu->onu_upcall(observer, observed, ev,
1560 onu->onu_owner, NULL);
1564 return rc1 ? rc1 : rc2;
1567 static inline int obd_quotacheck(struct obd_export *exp,
1568 struct obd_quotactl *oqctl)
1573 EXP_CHECK_DT_OP(exp, quotacheck);
1574 EXP_COUNTER_INCREMENT(exp, quotacheck);
1576 rc = OBP(exp->exp_obd, quotacheck)(exp->exp_obd, exp, oqctl);
1580 static inline int obd_quotactl(struct obd_export *exp,
1581 struct obd_quotactl *oqctl)
1586 EXP_CHECK_DT_OP(exp, quotactl);
1587 EXP_COUNTER_INCREMENT(exp, quotactl);
1589 rc = OBP(exp->exp_obd, quotactl)(exp->exp_obd, exp, oqctl);
1593 static inline int obd_quota_adjust_qunit(struct obd_export *exp,
1594 struct quota_adjust_qunit *oqaq,
1595 struct lustre_quota_ctxt *qctxt)
1597 #if defined(LPROCFS) && defined(HAVE_QUOTA_SUPPORT)
1598 struct timeval work_start;
1599 struct timeval work_end;
1605 #if defined(LPROCFS) && defined(HAVE_QUOTA_SUPPORT)
1607 cfs_gettimeofday(&work_start);
1609 EXP_CHECK_DT_OP(exp, quota_adjust_qunit);
1610 EXP_COUNTER_INCREMENT(exp, quota_adjust_qunit);
1612 rc = OBP(exp->exp_obd, quota_adjust_qunit)(exp, oqaq, qctxt);
1614 #if defined(LPROCFS) && defined(HAVE_QUOTA_SUPPORT)
1616 cfs_gettimeofday(&work_end);
1617 timediff = cfs_timeval_sub(&work_end, &work_start, NULL);
1618 lprocfs_counter_add(qctxt->lqc_stats, LQUOTA_ADJUST_QUNIT,
1625 static inline int obd_health_check(struct obd_device *obd)
1627 /* returns: 0 on healthy
1628 * >0 on unhealthy + reason code/flag
1629 * however the only suppored reason == 1 right now
1630 * We'll need to define some better reasons
1631 * or flags in the future.
1637 /* don't use EXP_CHECK_DT_OP, because NULL method is normal here */
1638 if (obd == NULL || !OBT(obd)) {
1639 CERROR("cleaned up obd\n");
1640 RETURN(-EOPNOTSUPP);
1642 if (!obd->obd_set_up || obd->obd_stopping)
1644 if (!OBP(obd, health_check))
1647 rc = OBP(obd, health_check)(obd);
1651 static inline int obd_register_observer(struct obd_device *obd,
1652 struct obd_device *observer)
1656 cfs_down_write(&obd->obd_observer_link_sem);
1657 if (obd->obd_observer && observer) {
1658 cfs_up_write(&obd->obd_observer_link_sem);
1661 obd->obd_observer = observer;
1662 cfs_up_write(&obd->obd_observer_link_sem);
1666 static inline int obd_pin_observer(struct obd_device *obd,
1667 struct obd_device **observer)
1670 cfs_down_read(&obd->obd_observer_link_sem);
1671 if (!obd->obd_observer) {
1673 cfs_up_read(&obd->obd_observer_link_sem);
1676 *observer = obd->obd_observer;
1680 static inline int obd_unpin_observer(struct obd_device *obd)
1683 cfs_up_read(&obd->obd_observer_link_sem);
1688 static inline int obd_register_page_removal_cb(struct obd_export *exp,
1689 obd_page_removal_cb_t cb,
1690 obd_pin_extent_cb pin_cb)
1695 OBD_CHECK_DT_OP(exp->exp_obd, register_page_removal_cb, 0);
1696 OBD_COUNTER_INCREMENT(exp->exp_obd, register_page_removal_cb);
1698 rc = OBP(exp->exp_obd, register_page_removal_cb)(exp, cb, pin_cb);
1702 static inline int obd_unregister_page_removal_cb(struct obd_export *exp,
1703 obd_page_removal_cb_t cb)
1708 OBD_CHECK_DT_OP(exp->exp_obd, unregister_page_removal_cb, 0);
1709 OBD_COUNTER_INCREMENT(exp->exp_obd, unregister_page_removal_cb);
1711 rc = OBP(exp->exp_obd, unregister_page_removal_cb)(exp, cb);
1715 static inline int obd_register_lock_cancel_cb(struct obd_export *exp,
1716 obd_lock_cancel_cb cb)
1721 OBD_CHECK_DT_OP(exp->exp_obd, register_lock_cancel_cb, 0);
1722 OBD_COUNTER_INCREMENT(exp->exp_obd, register_lock_cancel_cb);
1724 rc = OBP(exp->exp_obd, register_lock_cancel_cb)(exp, cb);
1728 static inline int obd_unregister_lock_cancel_cb(struct obd_export *exp,
1729 obd_lock_cancel_cb cb)
1734 OBD_CHECK_DT_OP(exp->exp_obd, unregister_lock_cancel_cb, 0);
1735 OBD_COUNTER_INCREMENT(exp->exp_obd, unregister_lock_cancel_cb);
1737 rc = OBP(exp->exp_obd, unregister_lock_cancel_cb)(exp, cb);
1742 /* metadata helpers */
1743 static inline int md_getstatus(struct obd_export *exp,
1744 struct lu_fid *fid, struct obd_capa **pc)
1749 EXP_CHECK_MD_OP(exp, getstatus);
1750 EXP_MD_COUNTER_INCREMENT(exp, getstatus);
1751 rc = MDP(exp->exp_obd, getstatus)(exp, fid, pc);
1755 static inline int md_getattr(struct obd_export *exp, struct md_op_data *op_data,
1756 struct ptlrpc_request **request)
1760 EXP_CHECK_MD_OP(exp, getattr);
1761 EXP_MD_COUNTER_INCREMENT(exp, getattr);
1762 rc = MDP(exp->exp_obd, getattr)(exp, op_data, request);
1766 static inline int md_change_cbdata(struct obd_export *exp,
1767 const struct lu_fid *fid,
1768 ldlm_iterator_t it, void *data)
1772 EXP_CHECK_MD_OP(exp, change_cbdata);
1773 EXP_MD_COUNTER_INCREMENT(exp, change_cbdata);
1774 rc = MDP(exp->exp_obd, change_cbdata)(exp, fid, it, data);
1778 static inline int md_close(struct obd_export *exp, struct md_op_data *op_data,
1779 struct md_open_data *mod,
1780 struct ptlrpc_request **request)
1784 EXP_CHECK_MD_OP(exp, close);
1785 EXP_MD_COUNTER_INCREMENT(exp, close);
1786 rc = MDP(exp->exp_obd, close)(exp, op_data, mod, request);
1790 static inline int md_create(struct obd_export *exp, struct md_op_data *op_data,
1791 const void *data, int datalen, int mode, __u32 uid,
1792 __u32 gid, cfs_cap_t cap_effective, __u64 rdev,
1793 struct ptlrpc_request **request)
1797 EXP_CHECK_MD_OP(exp, create);
1798 EXP_MD_COUNTER_INCREMENT(exp, create);
1799 rc = MDP(exp->exp_obd, create)(exp, op_data, data, datalen, mode,
1800 uid, gid, cap_effective, rdev, request);
1804 static inline int md_done_writing(struct obd_export *exp,
1805 struct md_op_data *op_data,
1806 struct md_open_data *mod)
1810 EXP_CHECK_MD_OP(exp, done_writing);
1811 EXP_MD_COUNTER_INCREMENT(exp, done_writing);
1812 rc = MDP(exp->exp_obd, done_writing)(exp, op_data, mod);
1816 static inline int md_enqueue(struct obd_export *exp,
1817 struct ldlm_enqueue_info *einfo,
1818 struct lookup_intent *it,
1819 struct md_op_data *op_data,
1820 struct lustre_handle *lockh,
1821 void *lmm, int lmmsize,
1822 struct ptlrpc_request **req,
1823 int extra_lock_flags)
1827 EXP_CHECK_MD_OP(exp, enqueue);
1828 EXP_MD_COUNTER_INCREMENT(exp, enqueue);
1829 rc = MDP(exp->exp_obd, enqueue)(exp, einfo, it, op_data, lockh,
1830 lmm, lmmsize, req, extra_lock_flags);
1834 static inline int md_getattr_name(struct obd_export *exp,
1835 struct md_op_data *op_data,
1836 struct ptlrpc_request **request)
1840 EXP_CHECK_MD_OP(exp, getattr_name);
1841 EXP_MD_COUNTER_INCREMENT(exp, getattr_name);
1842 rc = MDP(exp->exp_obd, getattr_name)(exp, op_data, request);
1846 static inline int md_intent_lock(struct obd_export *exp,
1847 struct md_op_data *op_data, void *lmm,
1848 int lmmsize, struct lookup_intent *it,
1849 int flags, struct ptlrpc_request **reqp,
1850 ldlm_blocking_callback cb_blocking,
1851 int extra_lock_flags)
1855 EXP_CHECK_MD_OP(exp, intent_lock);
1856 EXP_MD_COUNTER_INCREMENT(exp, intent_lock);
1857 rc = MDP(exp->exp_obd, intent_lock)(exp, op_data, lmm, lmmsize,
1858 it, flags, reqp, cb_blocking,
1863 static inline int md_link(struct obd_export *exp, struct md_op_data *op_data,
1864 struct ptlrpc_request **request)
1868 EXP_CHECK_MD_OP(exp, link);
1869 EXP_MD_COUNTER_INCREMENT(exp, link);
1870 rc = MDP(exp->exp_obd, link)(exp, op_data, request);
1874 static inline int md_rename(struct obd_export *exp, struct md_op_data *op_data,
1875 const char *old, int oldlen, const char *new,
1876 int newlen, struct ptlrpc_request **request)
1880 EXP_CHECK_MD_OP(exp, rename);
1881 EXP_MD_COUNTER_INCREMENT(exp, rename);
1882 rc = MDP(exp->exp_obd, rename)(exp, op_data, old, oldlen, new,
1887 static inline int md_is_subdir(struct obd_export *exp,
1888 const struct lu_fid *pfid,
1889 const struct lu_fid *cfid,
1890 struct ptlrpc_request **request)
1894 EXP_CHECK_MD_OP(exp, is_subdir);
1895 EXP_MD_COUNTER_INCREMENT(exp, is_subdir);
1896 rc = MDP(exp->exp_obd, is_subdir)(exp, pfid, cfid, request);
1900 static inline int md_setattr(struct obd_export *exp, struct md_op_data *op_data,
1901 void *ea, int ealen, void *ea2, int ea2len,
1902 struct ptlrpc_request **request,
1903 struct md_open_data **mod)
1907 EXP_CHECK_MD_OP(exp, setattr);
1908 EXP_MD_COUNTER_INCREMENT(exp, setattr);
1909 rc = MDP(exp->exp_obd, setattr)(exp, op_data, ea, ealen,
1910 ea2, ea2len, request, mod);
1914 static inline int md_sync(struct obd_export *exp, const struct lu_fid *fid,
1915 struct obd_capa *oc, struct ptlrpc_request **request)
1919 EXP_CHECK_MD_OP(exp, sync);
1920 EXP_MD_COUNTER_INCREMENT(exp, sync);
1921 rc = MDP(exp->exp_obd, sync)(exp, fid, oc, request);
1925 static inline int md_readpage(struct obd_export *exp, const struct lu_fid *fid,
1926 struct obd_capa *oc, __u64 offset,
1928 struct ptlrpc_request **request)
1932 EXP_CHECK_MD_OP(exp, readpage);
1933 EXP_MD_COUNTER_INCREMENT(exp, readpage);
1934 rc = MDP(exp->exp_obd, readpage)(exp, fid, oc, offset, page, request);
1938 static inline int md_unlink(struct obd_export *exp, struct md_op_data *op_data,
1939 struct ptlrpc_request **request)
1943 EXP_CHECK_MD_OP(exp, unlink);
1944 EXP_MD_COUNTER_INCREMENT(exp, unlink);
1945 rc = MDP(exp->exp_obd, unlink)(exp, op_data, request);
1949 static inline int md_get_lustre_md(struct obd_export *exp,
1950 struct ptlrpc_request *req,
1951 struct obd_export *dt_exp,
1952 struct obd_export *md_exp,
1953 struct lustre_md *md)
1956 EXP_CHECK_MD_OP(exp, get_lustre_md);
1957 EXP_MD_COUNTER_INCREMENT(exp, get_lustre_md);
1958 RETURN(MDP(exp->exp_obd, get_lustre_md)(exp, req, dt_exp, md_exp, md));
1961 static inline int md_free_lustre_md(struct obd_export *exp,
1962 struct lustre_md *md)
1965 EXP_CHECK_MD_OP(exp, free_lustre_md);
1966 EXP_MD_COUNTER_INCREMENT(exp, free_lustre_md);
1967 RETURN(MDP(exp->exp_obd, free_lustre_md)(exp, md));
1970 static inline int md_setxattr(struct obd_export *exp,
1971 const struct lu_fid *fid, struct obd_capa *oc,
1972 obd_valid valid, const char *name,
1973 const char *input, int input_size,
1974 int output_size, int flags, __u32 suppgid,
1975 struct ptlrpc_request **request)
1978 EXP_CHECK_MD_OP(exp, setxattr);
1979 EXP_MD_COUNTER_INCREMENT(exp, setxattr);
1980 RETURN(MDP(exp->exp_obd, setxattr)(exp, fid, oc, valid, name, input,
1981 input_size, output_size, flags,
1985 static inline int md_getxattr(struct obd_export *exp,
1986 const struct lu_fid *fid, struct obd_capa *oc,
1987 obd_valid valid, const char *name,
1988 const char *input, int input_size,
1989 int output_size, int flags,
1990 struct ptlrpc_request **request)
1993 EXP_CHECK_MD_OP(exp, getxattr);
1994 EXP_MD_COUNTER_INCREMENT(exp, getxattr);
1995 RETURN(MDP(exp->exp_obd, getxattr)(exp, fid, oc, valid, name, input,
1996 input_size, output_size, flags,
2000 static inline int md_set_open_replay_data(struct obd_export *exp,
2001 struct obd_client_handle *och,
2002 struct ptlrpc_request *open_req)
2005 EXP_CHECK_MD_OP(exp, set_open_replay_data);
2006 EXP_MD_COUNTER_INCREMENT(exp, set_open_replay_data);
2007 RETURN(MDP(exp->exp_obd, set_open_replay_data)(exp, och, open_req));
2010 static inline int md_clear_open_replay_data(struct obd_export *exp,
2011 struct obd_client_handle *och)
2014 EXP_CHECK_MD_OP(exp, clear_open_replay_data);
2015 EXP_MD_COUNTER_INCREMENT(exp, clear_open_replay_data);
2016 RETURN(MDP(exp->exp_obd, clear_open_replay_data)(exp, och));
2019 static inline int md_set_lock_data(struct obd_export *exp,
2020 __u64 *lockh, void *data, __u32 *bits)
2023 EXP_CHECK_MD_OP(exp, set_lock_data);
2024 EXP_MD_COUNTER_INCREMENT(exp, set_lock_data);
2025 RETURN(MDP(exp->exp_obd, set_lock_data)(exp, lockh, data, bits));
2028 static inline int md_cancel_unused(struct obd_export *exp,
2029 const struct lu_fid *fid,
2030 ldlm_policy_data_t *policy,
2031 ldlm_mode_t mode, int flags, void *opaque)
2036 EXP_CHECK_MD_OP(exp, cancel_unused);
2037 EXP_MD_COUNTER_INCREMENT(exp, cancel_unused);
2039 rc = MDP(exp->exp_obd, cancel_unused)(exp, fid, policy, mode,
2044 static inline ldlm_mode_t md_lock_match(struct obd_export *exp, int flags,
2045 const struct lu_fid *fid,
2047 ldlm_policy_data_t *policy,
2049 struct lustre_handle *lockh)
2052 EXP_CHECK_MD_OP(exp, lock_match);
2053 EXP_MD_COUNTER_INCREMENT(exp, lock_match);
2054 RETURN(MDP(exp->exp_obd, lock_match)(exp, flags, fid, type,
2055 policy, mode, lockh));
2058 static inline int md_init_ea_size(struct obd_export *exp, int easize,
2059 int def_asize, int cookiesize)
2062 EXP_CHECK_MD_OP(exp, init_ea_size);
2063 EXP_MD_COUNTER_INCREMENT(exp, init_ea_size);
2064 RETURN(MDP(exp->exp_obd, init_ea_size)(exp, easize, def_asize,
2068 static inline int md_get_remote_perm(struct obd_export *exp,
2069 const struct lu_fid *fid,
2070 struct obd_capa *oc, __u32 suppgid,
2071 struct ptlrpc_request **request)
2074 EXP_CHECK_MD_OP(exp, get_remote_perm);
2075 EXP_MD_COUNTER_INCREMENT(exp, get_remote_perm);
2076 RETURN(MDP(exp->exp_obd, get_remote_perm)(exp, fid, oc, suppgid,
2080 static inline int md_renew_capa(struct obd_export *exp, struct obd_capa *ocapa,
2085 EXP_CHECK_MD_OP(exp, renew_capa);
2086 EXP_MD_COUNTER_INCREMENT(exp, renew_capa);
2087 rc = MDP(exp->exp_obd, renew_capa)(exp, ocapa, cb);
2091 static inline int md_unpack_capa(struct obd_export *exp,
2092 struct ptlrpc_request *req,
2093 const struct req_msg_field *field,
2094 struct obd_capa **oc)
2098 EXP_CHECK_MD_OP(exp, unpack_capa);
2099 EXP_MD_COUNTER_INCREMENT(exp, unpack_capa);
2100 rc = MDP(exp->exp_obd, unpack_capa)(exp, req, field, oc);
2104 static inline int md_intent_getattr_async(struct obd_export *exp,
2105 struct md_enqueue_info *minfo,
2106 struct ldlm_enqueue_info *einfo)
2110 EXP_CHECK_MD_OP(exp, intent_getattr_async);
2111 EXP_MD_COUNTER_INCREMENT(exp, intent_getattr_async);
2112 rc = MDP(exp->exp_obd, intent_getattr_async)(exp, minfo, einfo);
2116 static inline int md_revalidate_lock(struct obd_export *exp,
2117 struct lookup_intent *it,
2118 struct lu_fid *fid, __u32 *bits)
2122 EXP_CHECK_MD_OP(exp, revalidate_lock);
2123 EXP_MD_COUNTER_INCREMENT(exp, revalidate_lock);
2124 rc = MDP(exp->exp_obd, revalidate_lock)(exp, it, fid, bits);
2129 /* OBD Metadata Support */
2131 extern int obd_init_caches(void);
2132 extern void obd_cleanup_caches(void);
2134 /* support routines */
2135 extern cfs_mem_cache_t *obdo_cachep;
2137 #define OBDO_ALLOC(ptr) \
2139 OBD_SLAB_ALLOC_PTR((ptr), obdo_cachep); \
2142 #define OBDO_FREE(ptr) \
2144 OBD_SLAB_FREE_PTR((ptr), obdo_cachep); \
2148 static inline void obdo2fid(struct obdo *oa, struct lu_fid *fid)
2150 /* something here */
2153 static inline void fid2obdo(struct lu_fid *fid, struct obdo *oa)
2155 /* something here */
2158 /* I'm as embarrassed about this as you are.
2160 * <shaver> // XXX do not look into _superhack with remaining eye
2161 * <shaver> // XXX if this were any uglier, I'd get my own show on MTV */
2162 extern int (*ptlrpc_put_connection_superhack)(struct ptlrpc_connection *c);
2165 extern void obd_sysctl_init (void);
2166 extern void obd_sysctl_clean (void);
2169 typedef __u8 class_uuid_t[16];
2170 void class_uuid_unparse(class_uuid_t in, struct obd_uuid *out);
2173 int lustre_uuid_to_peer(const char *uuid, lnet_nid_t *peer_nid, int index);
2174 int class_add_uuid(const char *uuid, __u64 nid);
2175 int class_del_uuid (const char *uuid);
2176 void class_init_uuidlist(void);
2177 void class_exit_uuidlist(void);
2180 int mea_name2idx(struct lmv_stripe_md *mea, const char *name, int namelen);
2181 int raw_name2idx(int hashtype, int count, const char *name, int namelen);
2184 void ll_generate_random_uuid(class_uuid_t uuid_out);
2186 #endif /* __LINUX_OBD_CLASS_H */