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 static inline int lprocfs_nid_ldlm_stats_init(struct nid_stat* tmp) {
385 /* Always add in ldlm_stats */
386 tmp->nid_ldlm_stats = lprocfs_alloc_stats(LDLM_LAST_OPC - LDLM_FIRST_OPC
387 ,LPROCFS_STATS_FLAG_NOPERCPU);
388 if (tmp->nid_ldlm_stats == NULL)
391 lprocfs_init_ldlm_stats(tmp->nid_ldlm_stats);
393 return lprocfs_register_stats(tmp->nid_proc, "ldlm_stats",
394 tmp->nid_ldlm_stats);
397 #define OBD_CHECK_MD_OP(obd, op, err) \
399 if (!OBT(obd) || !MDP((obd), op)) { \
401 CERROR("md_" #op ": dev %s/%d no operation\n", \
402 obd->obd_name, obd->obd_minor); \
407 #define EXP_CHECK_MD_OP(exp, op) \
409 if ((exp) == NULL) { \
410 CERROR("obd_" #op ": NULL export\n"); \
413 if ((exp)->exp_obd == NULL || !OBT((exp)->exp_obd)) { \
414 CERROR("obd_" #op ": cleaned up obd\n"); \
415 RETURN(-EOPNOTSUPP); \
417 if (!OBT((exp)->exp_obd) || !MDP((exp)->exp_obd, op)) { \
418 CERROR("obd_" #op ": dev %s/%d no operation\n", \
419 (exp)->exp_obd->obd_name, \
420 (exp)->exp_obd->obd_minor); \
421 RETURN(-EOPNOTSUPP); \
426 #define OBD_CHECK_DT_OP(obd, op, err) \
428 if (!OBT(obd) || !OBP((obd), op)) { \
430 CERROR("obd_" #op ": dev %d no operation\n", \
436 #define EXP_CHECK_DT_OP(exp, op) \
438 if ((exp) == NULL) { \
439 CERROR("obd_" #op ": NULL export\n"); \
442 if ((exp)->exp_obd == NULL || !OBT((exp)->exp_obd)) { \
443 CERROR("obd_" #op ": cleaned up obd\n"); \
444 RETURN(-EOPNOTSUPP); \
446 if (!OBT((exp)->exp_obd) || !OBP((exp)->exp_obd, op)) { \
447 CERROR("obd_" #op ": dev %d no operation\n", \
448 (exp)->exp_obd->obd_minor); \
449 RETURN(-EOPNOTSUPP); \
453 #define CTXT_CHECK_OP(ctxt, op, err) \
455 if (!OBT(ctxt->loc_obd) || !CTXTP((ctxt), op)) { \
457 CERROR("lop_" #op ": dev %d no operation\n", \
458 ctxt->loc_obd->obd_minor); \
463 static inline int class_devno_max(void)
465 return MAX_OBD_DEVICES;
468 static inline int obd_get_info(struct obd_export *exp, __u32 keylen,
469 void *key, __u32 *vallen, void *val,
470 struct lov_stripe_md *lsm)
475 EXP_CHECK_DT_OP(exp, get_info);
476 EXP_COUNTER_INCREMENT(exp, get_info);
478 rc = OBP(exp->exp_obd, get_info)(exp, keylen, key, vallen, val, lsm);
482 static inline int obd_set_info_async(struct obd_export *exp, obd_count keylen,
483 void *key, obd_count vallen, void *val,
484 struct ptlrpc_request_set *set)
489 EXP_CHECK_DT_OP(exp, set_info_async);
490 EXP_COUNTER_INCREMENT(exp, set_info_async);
492 rc = OBP(exp->exp_obd, set_info_async)(exp, keylen, key, vallen, val,
498 * obd-lu integration.
500 * Functionality is being moved into new lu_device-based layering, but some
501 * pieces of configuration process are still based on obd devices.
503 * Specifically, lu_device_type_operations::ldto_device_alloc() methods fully
504 * subsume ->o_setup() methods of obd devices they replace. The same for
505 * lu_device_operations::ldo_process_config() and ->o_process_config(). As a
506 * result, obd_setup() and obd_process_config() branch and call one XOR
509 * Yet neither lu_device_type_operations::ldto_device_fini() nor
510 * lu_device_type_operations::ldto_device_free() fully implement the
511 * functionality of ->o_precleanup() and ->o_cleanup() they override. Hence,
512 * obd_precleanup() and obd_cleanup() call both lu_device and obd operations.
515 #define DECLARE_LU_VARS(ldt, d) \
516 struct lu_device_type *ldt; \
519 static inline int obd_setup(struct obd_device *obd, struct lustre_cfg *cfg)
522 DECLARE_LU_VARS(ldt, d);
525 ldt = obd->obd_type->typ_lu;
527 struct lu_context session_ctx;
529 lu_context_init(&session_ctx, LCT_SESSION);
530 session_ctx.lc_thread = NULL;
531 lu_context_enter(&session_ctx);
533 rc = lu_env_init(&env, ldt->ldt_ctx_tags);
535 env.le_ses = &session_ctx;
536 d = ldt->ldt_ops->ldto_device_alloc(&env, ldt, cfg);
545 lu_context_exit(&session_ctx);
546 lu_context_fini(&session_ctx);
549 OBD_CHECK_DT_OP(obd, setup, -EOPNOTSUPP);
550 OBD_COUNTER_INCREMENT(obd, setup);
551 rc = OBP(obd, setup)(obd, cfg);
556 static inline int obd_precleanup(struct obd_device *obd,
557 enum obd_cleanup_stage cleanup_stage)
560 DECLARE_LU_VARS(ldt, d);
564 ldt = obd->obd_type->typ_lu;
566 if (ldt != NULL && d != NULL) {
567 if (cleanup_stage == OBD_CLEANUP_EXPORTS) {
570 rc = lu_env_init(&env, ldt->ldt_ctx_tags);
572 ldt->ldt_ops->ldto_device_fini(&env, d);
577 OBD_CHECK_DT_OP(obd, precleanup, 0);
578 OBD_COUNTER_INCREMENT(obd, precleanup);
580 rc = OBP(obd, precleanup)(obd, cleanup_stage);
584 static inline int obd_cleanup(struct obd_device *obd)
587 DECLARE_LU_VARS(ldt, d);
592 ldt = obd->obd_type->typ_lu;
594 if (ldt != NULL && d != NULL) {
597 rc = lu_env_init(&env, ldt->ldt_ctx_tags);
599 ldt->ldt_ops->ldto_device_free(&env, d);
601 obd->obd_lu_dev = NULL;
604 OBD_CHECK_DT_OP(obd, cleanup, 0);
605 OBD_COUNTER_INCREMENT(obd, cleanup);
607 rc = OBP(obd, cleanup)(obd);
612 obd_process_config(struct obd_device *obd, int datalen, void *data)
615 DECLARE_LU_VARS(ldt, d);
620 obd->obd_process_conf = 1;
621 ldt = obd->obd_type->typ_lu;
623 if (ldt != NULL && d != NULL) {
626 rc = lu_env_init(&env, ldt->ldt_ctx_tags);
628 rc = d->ld_ops->ldo_process_config(&env, d, data);
632 OBD_CHECK_DT_OP(obd, process_config, -EOPNOTSUPP);
633 rc = OBP(obd, process_config)(obd, datalen, data);
635 OBD_COUNTER_INCREMENT(obd, process_config);
636 obd->obd_process_conf = 0;
641 /* Pack an in-memory MD struct for storage on disk.
642 * Returns +ve size of packed MD (0 for free), or -ve error.
644 * If @disk_tgt == NULL, MD size is returned (max size if @mem_src == NULL).
645 * If @*disk_tgt != NULL and @mem_src == NULL, @*disk_tgt will be freed.
646 * If @*disk_tgt == NULL, it will be allocated
648 static inline int obd_packmd(struct obd_export *exp,
649 struct lov_mds_md **disk_tgt,
650 struct lov_stripe_md *mem_src)
655 EXP_CHECK_DT_OP(exp, packmd);
656 EXP_COUNTER_INCREMENT(exp, packmd);
658 rc = OBP(exp->exp_obd, packmd)(exp, disk_tgt, mem_src);
662 static inline int obd_size_diskmd(struct obd_export *exp,
663 struct lov_stripe_md *mem_src)
665 return obd_packmd(exp, NULL, mem_src);
668 /* helper functions */
669 static inline int obd_alloc_diskmd(struct obd_export *exp,
670 struct lov_mds_md **disk_tgt)
673 LASSERT(*disk_tgt == NULL);
674 return obd_packmd(exp, disk_tgt, NULL);
677 static inline int obd_free_diskmd(struct obd_export *exp,
678 struct lov_mds_md **disk_tgt)
682 return obd_packmd(exp, disk_tgt, NULL);
685 /* Unpack an MD struct from disk to in-memory format.
686 * Returns +ve size of unpacked MD (0 for free), or -ve error.
688 * If @mem_tgt == NULL, MD size is returned (max size if @disk_src == NULL).
689 * If @*mem_tgt != NULL and @disk_src == NULL, @*mem_tgt will be freed.
690 * If @*mem_tgt == NULL, it will be allocated
692 static inline int obd_unpackmd(struct obd_export *exp,
693 struct lov_stripe_md **mem_tgt,
694 struct lov_mds_md *disk_src,
700 EXP_CHECK_DT_OP(exp, unpackmd);
701 EXP_COUNTER_INCREMENT(exp, unpackmd);
703 rc = OBP(exp->exp_obd, unpackmd)(exp, mem_tgt, disk_src, disk_len);
707 /* helper functions */
708 static inline int obd_alloc_memmd(struct obd_export *exp,
709 struct lov_stripe_md **mem_tgt)
712 LASSERT(*mem_tgt == NULL);
713 return obd_unpackmd(exp, mem_tgt, NULL, 0);
716 static inline int obd_free_memmd(struct obd_export *exp,
717 struct lov_stripe_md **mem_tgt)
723 rc = obd_unpackmd(exp, mem_tgt, NULL, 0);
728 static inline int obd_precreate(struct obd_export *exp)
733 EXP_CHECK_DT_OP(exp, precreate);
734 OBD_COUNTER_INCREMENT(exp->exp_obd, precreate);
736 rc = OBP(exp->exp_obd, precreate)(exp);
740 static inline int obd_create_async(struct obd_export *exp,
741 struct obd_info *oinfo,
742 struct lov_stripe_md **ea,
743 struct obd_trans_info *oti)
748 EXP_CHECK_DT_OP(exp, create_async);
749 EXP_COUNTER_INCREMENT(exp, create_async);
751 rc = OBP(exp->exp_obd, create_async)(exp, oinfo, ea, oti);
755 static inline int obd_create(struct obd_export *exp, struct obdo *obdo,
756 struct lov_stripe_md **ea,
757 struct obd_trans_info *oti)
762 EXP_CHECK_DT_OP(exp, create);
763 EXP_COUNTER_INCREMENT(exp, create);
765 rc = OBP(exp->exp_obd, create)(exp, obdo, ea, oti);
769 static inline int obd_destroy(struct obd_export *exp, struct obdo *obdo,
770 struct lov_stripe_md *ea,
771 struct obd_trans_info *oti,
772 struct obd_export *md_exp, void *capa)
777 EXP_CHECK_DT_OP(exp, destroy);
778 EXP_COUNTER_INCREMENT(exp, destroy);
780 rc = OBP(exp->exp_obd, destroy)(exp, obdo, ea, oti, md_exp, capa);
784 static inline int obd_getattr(struct obd_export *exp, struct obd_info *oinfo)
789 EXP_CHECK_DT_OP(exp, getattr);
790 EXP_COUNTER_INCREMENT(exp, getattr);
792 rc = OBP(exp->exp_obd, getattr)(exp, oinfo);
796 static inline int obd_getattr_async(struct obd_export *exp,
797 struct obd_info *oinfo,
798 struct ptlrpc_request_set *set)
803 EXP_CHECK_DT_OP(exp, getattr_async);
804 EXP_COUNTER_INCREMENT(exp, getattr_async);
806 rc = OBP(exp->exp_obd, getattr_async)(exp, oinfo, set);
810 static inline int obd_setattr(struct obd_export *exp, struct obd_info *oinfo,
811 struct obd_trans_info *oti)
816 EXP_CHECK_DT_OP(exp, setattr);
817 EXP_COUNTER_INCREMENT(exp, setattr);
819 rc = OBP(exp->exp_obd, setattr)(exp, oinfo, oti);
823 /* This performs all the requests set init/wait/destroy actions. */
824 static inline int obd_setattr_rqset(struct obd_export *exp,
825 struct obd_info *oinfo,
826 struct obd_trans_info *oti)
828 struct ptlrpc_request_set *set = NULL;
832 EXP_CHECK_DT_OP(exp, setattr_async);
833 EXP_COUNTER_INCREMENT(exp, setattr_async);
835 set = ptlrpc_prep_set();
839 rc = OBP(exp->exp_obd, setattr_async)(exp, oinfo, oti, set);
841 rc = ptlrpc_set_wait(set);
842 ptlrpc_set_destroy(set);
846 /* This adds all the requests into @set if @set != NULL, otherwise
847 all requests are sent asynchronously without waiting for response. */
848 static inline int obd_setattr_async(struct obd_export *exp,
849 struct obd_info *oinfo,
850 struct obd_trans_info *oti,
851 struct ptlrpc_request_set *set)
856 EXP_CHECK_DT_OP(exp, setattr_async);
857 EXP_COUNTER_INCREMENT(exp, setattr_async);
859 rc = OBP(exp->exp_obd, setattr_async)(exp, oinfo, oti, set);
863 static inline int obd_add_conn(struct obd_import *imp, struct obd_uuid *uuid,
866 struct obd_device *obd = imp->imp_obd;
870 OBD_CHECK_DEV_ACTIVE(obd);
871 OBD_CHECK_DT_OP(obd, add_conn, -EOPNOTSUPP);
872 OBD_COUNTER_INCREMENT(obd, add_conn);
874 rc = OBP(obd, add_conn)(imp, uuid, priority);
878 static inline int obd_del_conn(struct obd_import *imp, struct obd_uuid *uuid)
880 struct obd_device *obd = imp->imp_obd;
884 OBD_CHECK_DEV_ACTIVE(obd);
885 OBD_CHECK_DT_OP(obd, del_conn, -EOPNOTSUPP);
886 OBD_COUNTER_INCREMENT(obd, del_conn);
888 rc = OBP(obd, del_conn)(imp, uuid);
892 static inline struct obd_uuid *obd_get_uuid(struct obd_export *exp)
894 struct obd_uuid *uuid;
897 OBD_CHECK_DT_OP(exp->exp_obd, get_uuid, NULL);
898 EXP_COUNTER_INCREMENT(exp, get_uuid);
900 uuid = OBP(exp->exp_obd, get_uuid)(exp);
904 /** Create a new /a exp on device /a obd for the uuid /a cluuid
905 * @param exp New export handle
906 * @param d Connect data, supported flags are set, flags also understood
907 * by obd are returned.
909 static inline int obd_connect(const struct lu_env *env,
910 struct obd_export **exp,struct obd_device *obd,
911 struct obd_uuid *cluuid,
912 struct obd_connect_data *d,
916 __u64 ocf = d ? d->ocd_connect_flags : 0; /* for post-condition
920 OBD_CHECK_DEV_ACTIVE(obd);
921 OBD_CHECK_DT_OP(obd, connect, -EOPNOTSUPP);
922 OBD_COUNTER_INCREMENT(obd, connect);
924 rc = OBP(obd, connect)(env, exp, obd, cluuid, d, localdata);
925 /* check that only subset is granted */
926 LASSERT(ergo(d != NULL,
927 (d->ocd_connect_flags & ocf) == d->ocd_connect_flags));
931 static inline int obd_reconnect(const struct lu_env *env,
932 struct obd_export *exp,
933 struct obd_device *obd,
934 struct obd_uuid *cluuid,
935 struct obd_connect_data *d,
939 __u64 ocf = d ? d->ocd_connect_flags : 0; /* for post-condition
944 OBD_CHECK_DEV_ACTIVE(obd);
945 OBD_CHECK_DT_OP(obd, reconnect, 0);
946 OBD_COUNTER_INCREMENT(obd, reconnect);
948 rc = OBP(obd, reconnect)(env, exp, obd, cluuid, d, localdata);
949 /* check that only subset is granted */
950 LASSERT(ergo(d != NULL,
951 (d->ocd_connect_flags & ocf) == d->ocd_connect_flags));
955 static inline int obd_disconnect(struct obd_export *exp)
960 EXP_CHECK_DT_OP(exp, disconnect);
961 EXP_COUNTER_INCREMENT(exp, disconnect);
963 rc = OBP(exp->exp_obd, disconnect)(exp);
967 static inline int obd_fid_init(struct obd_export *exp)
972 OBD_CHECK_DT_OP(exp->exp_obd, fid_init, 0);
973 EXP_COUNTER_INCREMENT(exp, fid_init);
975 rc = OBP(exp->exp_obd, fid_init)(exp);
979 static inline int obd_fid_fini(struct obd_export *exp)
984 OBD_CHECK_DT_OP(exp->exp_obd, fid_fini, 0);
985 EXP_COUNTER_INCREMENT(exp, fid_fini);
987 rc = OBP(exp->exp_obd, fid_fini)(exp);
991 static inline int obd_fid_alloc(struct obd_export *exp,
993 struct md_op_data *op_data)
998 EXP_CHECK_DT_OP(exp, fid_alloc);
999 EXP_COUNTER_INCREMENT(exp, fid_alloc);
1001 rc = OBP(exp->exp_obd, fid_alloc)(exp, fid, op_data);
1005 static inline int obd_fid_delete(struct obd_export *exp,
1006 const struct lu_fid *fid)
1011 EXP_CHECK_DT_OP(exp, fid_delete);
1012 EXP_COUNTER_INCREMENT(exp, fid_delete);
1014 rc = OBP(exp->exp_obd, fid_delete)(exp, fid);
1018 static inline int obd_ping(struct obd_export *exp)
1023 OBD_CHECK_DT_OP(exp->exp_obd, ping, 0);
1024 EXP_COUNTER_INCREMENT(exp, ping);
1026 rc = OBP(exp->exp_obd, ping)(exp);
1030 static inline int obd_pool_new(struct obd_device *obd, char *poolname)
1035 OBD_CHECK_DT_OP(obd, pool_new, -EOPNOTSUPP);
1036 OBD_COUNTER_INCREMENT(obd, pool_new);
1038 rc = OBP(obd, pool_new)(obd, poolname);
1042 static inline int obd_pool_del(struct obd_device *obd, char *poolname)
1047 OBD_CHECK_DT_OP(obd, pool_del, -EOPNOTSUPP);
1048 OBD_COUNTER_INCREMENT(obd, pool_del);
1050 rc = OBP(obd, pool_del)(obd, poolname);
1054 static inline int obd_pool_add(struct obd_device *obd, char *poolname, char *ostname)
1059 OBD_CHECK_DT_OP(obd, pool_add, -EOPNOTSUPP);
1060 OBD_COUNTER_INCREMENT(obd, pool_add);
1062 rc = OBP(obd, pool_add)(obd, poolname, ostname);
1066 static inline int obd_pool_rem(struct obd_device *obd, char *poolname, char *ostname)
1071 OBD_CHECK_DT_OP(obd, pool_rem, -EOPNOTSUPP);
1072 OBD_COUNTER_INCREMENT(obd, pool_rem);
1074 rc = OBP(obd, pool_rem)(obd, poolname, ostname);
1078 static inline void obd_getref(struct obd_device *obd)
1081 if (OBT(obd) && OBP(obd, getref)) {
1082 OBD_COUNTER_INCREMENT(obd, getref);
1083 OBP(obd, getref)(obd);
1088 static inline void obd_putref(struct obd_device *obd)
1091 if (OBT(obd) && OBP(obd, putref)) {
1092 OBD_COUNTER_INCREMENT(obd, putref);
1093 OBP(obd, putref)(obd);
1098 static inline int obd_init_export(struct obd_export *exp)
1103 if ((exp)->exp_obd != NULL && OBT((exp)->exp_obd) &&
1104 OBP((exp)->exp_obd, init_export))
1105 rc = OBP(exp->exp_obd, init_export)(exp);
1109 static inline int obd_destroy_export(struct obd_export *exp)
1112 if ((exp)->exp_obd != NULL && OBT((exp)->exp_obd) &&
1113 OBP((exp)->exp_obd, destroy_export))
1114 OBP(exp->exp_obd, destroy_export)(exp);
1118 static inline int obd_extent_calc(struct obd_export *exp,
1119 struct lov_stripe_md *md,
1120 int cmd, obd_off *offset)
1124 EXP_CHECK_DT_OP(exp, extent_calc);
1125 rc = OBP(exp->exp_obd, extent_calc)(exp, md, cmd, offset);
1129 static inline struct dentry *
1130 obd_lvfs_fid2dentry(struct obd_export *exp, __u64 id_ino, __u32 gen, __u64 gr)
1132 LASSERT(exp->exp_obd);
1134 return lvfs_fid2dentry(&exp->exp_obd->obd_lvfs_ctxt, id_ino, gen, gr,
1139 obd_lvfs_open_llog(struct obd_export *exp, __u64 id_ino, struct dentry *dentry)
1141 LASSERT(exp->exp_obd);
1142 CERROR("FIXME what's the story here? This needs to be an obd fn?\n");
1144 return lvfs_open_llog(&exp->exp_obd->obd_lvfs_ctxt, id_ino,
1145 dentry, exp->exp_obd);
1150 /* @max_age is the oldest time in jiffies that we accept using a cached data.
1151 * If the cache is older than @max_age we will get a new value from the
1152 * target. Use a value of "cfs_time_current() + HZ" to guarantee freshness. */
1153 static inline int obd_statfs_async(struct obd_device *obd,
1154 struct obd_info *oinfo,
1156 struct ptlrpc_request_set *rqset)
1164 OBD_CHECK_DT_OP(obd, statfs, -EOPNOTSUPP);
1165 OBD_COUNTER_INCREMENT(obd, statfs);
1167 CDEBUG(D_SUPER, "%s: osfs %p age "LPU64", max_age "LPU64"\n",
1168 obd->obd_name, &obd->obd_osfs, obd->obd_osfs_age, max_age);
1169 if (cfs_time_before_64(obd->obd_osfs_age, max_age)) {
1170 rc = OBP(obd, statfs_async)(obd, oinfo, max_age, rqset);
1172 CDEBUG(D_SUPER,"%s: use %p cache blocks "LPU64"/"LPU64
1173 " objects "LPU64"/"LPU64"\n",
1174 obd->obd_name, &obd->obd_osfs,
1175 obd->obd_osfs.os_bavail, obd->obd_osfs.os_blocks,
1176 obd->obd_osfs.os_ffree, obd->obd_osfs.os_files);
1177 cfs_spin_lock(&obd->obd_osfs_lock);
1178 memcpy(oinfo->oi_osfs, &obd->obd_osfs, sizeof(*oinfo->oi_osfs));
1179 cfs_spin_unlock(&obd->obd_osfs_lock);
1180 oinfo->oi_flags |= OBD_STATFS_FROM_CACHE;
1181 if (oinfo->oi_cb_up)
1182 oinfo->oi_cb_up(oinfo, 0);
1187 static inline int obd_statfs_rqset(struct obd_device *obd,
1188 struct obd_statfs *osfs, __u64 max_age,
1191 struct ptlrpc_request_set *set = NULL;
1192 struct obd_info oinfo = { { { 0 } } };
1196 set = ptlrpc_prep_set();
1200 oinfo.oi_osfs = osfs;
1201 oinfo.oi_flags = flags;
1202 rc = obd_statfs_async(obd, &oinfo, max_age, set);
1204 rc = ptlrpc_set_wait(set);
1205 ptlrpc_set_destroy(set);
1209 /* @max_age is the oldest time in jiffies that we accept using a cached data.
1210 * If the cache is older than @max_age we will get a new value from the
1211 * target. Use a value of "cfs_time_current() + HZ" to guarantee freshness. */
1212 static inline int obd_statfs(struct obd_device *obd, struct obd_statfs *osfs,
1213 __u64 max_age, __u32 flags)
1221 OBD_CHECK_DT_OP(obd, statfs, -EOPNOTSUPP);
1222 OBD_COUNTER_INCREMENT(obd, statfs);
1224 CDEBUG(D_SUPER, "osfs "LPU64", max_age "LPU64"\n",
1225 obd->obd_osfs_age, max_age);
1226 if (cfs_time_before_64(obd->obd_osfs_age, max_age)) {
1227 rc = OBP(obd, statfs)(obd, osfs, max_age, flags);
1229 cfs_spin_lock(&obd->obd_osfs_lock);
1230 memcpy(&obd->obd_osfs, osfs, sizeof(obd->obd_osfs));
1231 obd->obd_osfs_age = cfs_time_current_64();
1232 cfs_spin_unlock(&obd->obd_osfs_lock);
1235 CDEBUG(D_SUPER,"%s: use %p cache blocks "LPU64"/"LPU64
1236 " objects "LPU64"/"LPU64"\n",
1237 obd->obd_name, &obd->obd_osfs,
1238 obd->obd_osfs.os_bavail, obd->obd_osfs.os_blocks,
1239 obd->obd_osfs.os_ffree, obd->obd_osfs.os_files);
1240 cfs_spin_lock(&obd->obd_osfs_lock);
1241 memcpy(osfs, &obd->obd_osfs, sizeof(*osfs));
1242 cfs_spin_unlock(&obd->obd_osfs_lock);
1247 static inline int obd_sync(struct obd_export *exp, struct obdo *oa,
1248 struct lov_stripe_md *ea, obd_size start,
1249 obd_size end, void *capa)
1254 OBD_CHECK_DT_OP(exp->exp_obd, sync, -EOPNOTSUPP);
1255 EXP_COUNTER_INCREMENT(exp, sync);
1257 rc = OBP(exp->exp_obd, sync)(exp, oa, ea, start, end, capa);
1261 static inline int obd_punch_rqset(struct obd_export *exp,
1262 struct obd_info *oinfo,
1263 struct obd_trans_info *oti)
1265 struct ptlrpc_request_set *set = NULL;
1269 EXP_CHECK_DT_OP(exp, punch);
1270 EXP_COUNTER_INCREMENT(exp, punch);
1272 set = ptlrpc_prep_set();
1276 rc = OBP(exp->exp_obd, punch)(exp, oinfo, oti, set);
1278 rc = ptlrpc_set_wait(set);
1279 ptlrpc_set_destroy(set);
1283 static inline int obd_punch(struct obd_export *exp, struct obd_info *oinfo,
1284 struct obd_trans_info *oti,
1285 struct ptlrpc_request_set *rqset)
1290 EXP_CHECK_DT_OP(exp, punch);
1291 EXP_COUNTER_INCREMENT(exp, punch);
1293 rc = OBP(exp->exp_obd, punch)(exp, oinfo, oti, rqset);
1297 static inline int obd_brw(int cmd, struct obd_export *exp,
1298 struct obd_info *oinfo, obd_count oa_bufs,
1299 struct brw_page *pg, struct obd_trans_info *oti)
1304 EXP_CHECK_DT_OP(exp, brw);
1305 EXP_COUNTER_INCREMENT(exp, brw);
1307 if (!(cmd & (OBD_BRW_RWMASK | OBD_BRW_CHECK))) {
1308 CERROR("obd_brw: cmd must be OBD_BRW_READ, OBD_BRW_WRITE, "
1309 "or OBD_BRW_CHECK\n");
1313 rc = OBP(exp->exp_obd, brw)(cmd, exp, oinfo, oa_bufs, pg, oti);
1317 static inline int obd_preprw(int cmd, struct obd_export *exp, struct obdo *oa,
1318 int objcount, struct obd_ioobj *obj,
1319 struct niobuf_remote *remote, int *pages,
1320 struct niobuf_local *local,
1321 struct obd_trans_info *oti,
1322 struct lustre_capa *capa)
1327 EXP_CHECK_DT_OP(exp, preprw);
1328 EXP_COUNTER_INCREMENT(exp, preprw);
1330 rc = OBP(exp->exp_obd, preprw)(cmd, exp, oa, objcount, obj, remote,
1331 pages, local, oti, capa);
1335 static inline int obd_commitrw(int cmd, struct obd_export *exp, struct obdo *oa,
1336 int objcount, struct obd_ioobj *obj,
1337 struct niobuf_remote *rnb, int pages,
1338 struct niobuf_local *local,
1339 struct obd_trans_info *oti, int rc)
1343 EXP_CHECK_DT_OP(exp, commitrw);
1344 EXP_COUNTER_INCREMENT(exp, commitrw);
1346 rc = OBP(exp->exp_obd, commitrw)(cmd, exp, oa, objcount, obj,
1347 rnb, pages, local, oti, rc);
1351 static inline int obd_merge_lvb(struct obd_export *exp,
1352 struct lov_stripe_md *lsm,
1353 struct ost_lvb *lvb, int kms_only)
1358 EXP_CHECK_DT_OP(exp, merge_lvb);
1359 EXP_COUNTER_INCREMENT(exp, merge_lvb);
1361 rc = OBP(exp->exp_obd, merge_lvb)(exp, lsm, lvb, kms_only);
1365 static inline int obd_adjust_kms(struct obd_export *exp,
1366 struct lov_stripe_md *lsm, obd_off size,
1372 EXP_CHECK_DT_OP(exp, adjust_kms);
1373 EXP_COUNTER_INCREMENT(exp, adjust_kms);
1375 rc = OBP(exp->exp_obd, adjust_kms)(exp, lsm, size, shrink);
1379 static inline int obd_iocontrol(unsigned int cmd, struct obd_export *exp,
1380 int len, void *karg, void *uarg)
1385 EXP_CHECK_DT_OP(exp, iocontrol);
1386 EXP_COUNTER_INCREMENT(exp, iocontrol);
1388 rc = OBP(exp->exp_obd, iocontrol)(cmd, exp, len, karg, uarg);
1392 static inline int obd_enqueue_rqset(struct obd_export *exp,
1393 struct obd_info *oinfo,
1394 struct ldlm_enqueue_info *einfo)
1396 struct ptlrpc_request_set *set = NULL;
1400 EXP_CHECK_DT_OP(exp, enqueue);
1401 EXP_COUNTER_INCREMENT(exp, enqueue);
1403 set = ptlrpc_prep_set();
1407 rc = OBP(exp->exp_obd, enqueue)(exp, oinfo, einfo, set);
1409 rc = ptlrpc_set_wait(set);
1410 ptlrpc_set_destroy(set);
1414 static inline int obd_enqueue(struct obd_export *exp,
1415 struct obd_info *oinfo,
1416 struct ldlm_enqueue_info *einfo,
1417 struct ptlrpc_request_set *set)
1422 EXP_CHECK_DT_OP(exp, enqueue);
1423 EXP_COUNTER_INCREMENT(exp, enqueue);
1425 rc = OBP(exp->exp_obd, enqueue)(exp, oinfo, einfo, set);
1429 static inline int obd_change_cbdata(struct obd_export *exp,
1430 struct lov_stripe_md *lsm,
1431 ldlm_iterator_t it, void *data)
1436 EXP_CHECK_DT_OP(exp, change_cbdata);
1437 EXP_COUNTER_INCREMENT(exp, change_cbdata);
1439 rc = OBP(exp->exp_obd, change_cbdata)(exp, lsm, it, data);
1443 static inline int obd_find_cbdata(struct obd_export *exp,
1444 struct lov_stripe_md *lsm,
1445 ldlm_iterator_t it, void *data)
1450 EXP_CHECK_DT_OP(exp, find_cbdata);
1451 EXP_COUNTER_INCREMENT(exp, find_cbdata);
1453 rc = OBP(exp->exp_obd, find_cbdata)(exp, lsm, it, data);
1457 static inline int obd_cancel(struct obd_export *exp,
1458 struct lov_stripe_md *ea, __u32 mode,
1459 struct lustre_handle *lockh)
1464 EXP_CHECK_DT_OP(exp, cancel);
1465 EXP_COUNTER_INCREMENT(exp, cancel);
1467 rc = OBP(exp->exp_obd, cancel)(exp, ea, mode, lockh);
1471 static inline int obd_cancel_unused(struct obd_export *exp,
1472 struct lov_stripe_md *ea,
1473 ldlm_cancel_flags_t flags,
1479 EXP_CHECK_DT_OP(exp, cancel_unused);
1480 EXP_COUNTER_INCREMENT(exp, cancel_unused);
1482 rc = OBP(exp->exp_obd, cancel_unused)(exp, ea, flags, opaque);
1486 static inline int obd_pin(struct obd_export *exp, const struct lu_fid *fid,
1487 struct obd_capa *oc, struct obd_client_handle *handle,
1493 EXP_CHECK_DT_OP(exp, pin);
1494 EXP_COUNTER_INCREMENT(exp, pin);
1496 rc = OBP(exp->exp_obd, pin)(exp, fid, oc, handle, flag);
1500 static inline int obd_unpin(struct obd_export *exp,
1501 struct obd_client_handle *handle, int flag)
1506 EXP_CHECK_DT_OP(exp, unpin);
1507 EXP_COUNTER_INCREMENT(exp, unpin);
1509 rc = OBP(exp->exp_obd, unpin)(exp, handle, flag);
1514 static inline void obd_import_event(struct obd_device *obd,
1515 struct obd_import *imp,
1516 enum obd_import_event event)
1520 CERROR("NULL device\n");
1524 if (obd->obd_set_up && OBP(obd, import_event)) {
1525 OBD_COUNTER_INCREMENT(obd, import_event);
1526 OBP(obd, import_event)(obd, imp, event);
1531 static inline int obd_llog_connect(struct obd_export *exp,
1532 struct llogd_conn_body *body)
1537 OBD_CHECK_DT_OP(exp->exp_obd, llog_connect, 0);
1538 EXP_COUNTER_INCREMENT(exp, llog_connect);
1540 rc = OBP(exp->exp_obd, llog_connect)(exp, body);
1545 static inline int obd_notify(struct obd_device *obd,
1546 struct obd_device *watched,
1547 enum obd_notify_event ev,
1554 /* the check for async_recov is a complete hack - I'm hereby
1555 overloading the meaning to also mean "this was called from
1556 mds_postsetup". I know that my mds is able to handle notifies
1557 by this point, and it needs to get them to execute mds_postrecov. */
1558 if (!obd->obd_set_up && !obd->obd_async_recov) {
1559 CDEBUG(D_HA, "obd %s not set up\n", obd->obd_name);
1563 if (!OBP(obd, notify)) {
1564 CERROR("obd %s has no notify handler\n", obd->obd_name);
1568 OBD_COUNTER_INCREMENT(obd, notify);
1569 rc = OBP(obd, notify)(obd, watched, ev, data);
1573 static inline int obd_notify_observer(struct obd_device *observer,
1574 struct obd_device *observed,
1575 enum obd_notify_event ev,
1581 struct obd_notify_upcall *onu;
1583 if (observer->obd_observer)
1584 rc1 = obd_notify(observer->obd_observer, observed, ev, data);
1588 * Also, call non-obd listener, if any
1590 onu = &observer->obd_upcall;
1591 if (onu->onu_upcall != NULL)
1592 rc2 = onu->onu_upcall(observer, observed, ev,
1593 onu->onu_owner, NULL);
1597 return rc1 ? rc1 : rc2;
1600 static inline int obd_quotacheck(struct obd_export *exp,
1601 struct obd_quotactl *oqctl)
1606 EXP_CHECK_DT_OP(exp, quotacheck);
1607 EXP_COUNTER_INCREMENT(exp, quotacheck);
1609 rc = OBP(exp->exp_obd, quotacheck)(exp->exp_obd, exp, oqctl);
1613 static inline int obd_quotactl(struct obd_export *exp,
1614 struct obd_quotactl *oqctl)
1619 EXP_CHECK_DT_OP(exp, quotactl);
1620 EXP_COUNTER_INCREMENT(exp, quotactl);
1622 rc = OBP(exp->exp_obd, quotactl)(exp->exp_obd, exp, oqctl);
1626 static inline int obd_quota_adjust_qunit(struct obd_export *exp,
1627 struct quota_adjust_qunit *oqaq,
1628 struct lustre_quota_ctxt *qctxt)
1630 #if defined(LPROCFS) && defined(HAVE_QUOTA_SUPPORT)
1631 struct timeval work_start;
1632 struct timeval work_end;
1638 #if defined(LPROCFS) && defined(HAVE_QUOTA_SUPPORT)
1640 cfs_gettimeofday(&work_start);
1642 EXP_CHECK_DT_OP(exp, quota_adjust_qunit);
1643 EXP_COUNTER_INCREMENT(exp, quota_adjust_qunit);
1645 rc = OBP(exp->exp_obd, quota_adjust_qunit)(exp, oqaq, qctxt);
1647 #if defined(LPROCFS) && defined(HAVE_QUOTA_SUPPORT)
1649 cfs_gettimeofday(&work_end);
1650 timediff = cfs_timeval_sub(&work_end, &work_start, NULL);
1651 lprocfs_counter_add(qctxt->lqc_stats, LQUOTA_ADJUST_QUNIT,
1658 static inline int obd_health_check(struct obd_device *obd)
1660 /* returns: 0 on healthy
1661 * >0 on unhealthy + reason code/flag
1662 * however the only suppored reason == 1 right now
1663 * We'll need to define some better reasons
1664 * or flags in the future.
1670 /* don't use EXP_CHECK_DT_OP, because NULL method is normal here */
1671 if (obd == NULL || !OBT(obd)) {
1672 CERROR("cleaned up obd\n");
1673 RETURN(-EOPNOTSUPP);
1675 if (!obd->obd_set_up || obd->obd_stopping)
1677 if (!OBP(obd, health_check))
1680 rc = OBP(obd, health_check)(obd);
1684 static inline int obd_register_observer(struct obd_device *obd,
1685 struct obd_device *observer)
1689 cfs_down_write(&obd->obd_observer_link_sem);
1690 if (obd->obd_observer && observer) {
1691 cfs_up_write(&obd->obd_observer_link_sem);
1694 obd->obd_observer = observer;
1695 cfs_up_write(&obd->obd_observer_link_sem);
1699 static inline int obd_pin_observer(struct obd_device *obd,
1700 struct obd_device **observer)
1703 cfs_down_read(&obd->obd_observer_link_sem);
1704 if (!obd->obd_observer) {
1706 cfs_up_read(&obd->obd_observer_link_sem);
1709 *observer = obd->obd_observer;
1713 static inline int obd_unpin_observer(struct obd_device *obd)
1716 cfs_up_read(&obd->obd_observer_link_sem);
1721 static inline int obd_register_page_removal_cb(struct obd_export *exp,
1722 obd_page_removal_cb_t cb,
1723 obd_pin_extent_cb pin_cb)
1728 OBD_CHECK_DT_OP(exp->exp_obd, register_page_removal_cb, 0);
1729 OBD_COUNTER_INCREMENT(exp->exp_obd, register_page_removal_cb);
1731 rc = OBP(exp->exp_obd, register_page_removal_cb)(exp, cb, pin_cb);
1735 static inline int obd_unregister_page_removal_cb(struct obd_export *exp,
1736 obd_page_removal_cb_t cb)
1741 OBD_CHECK_DT_OP(exp->exp_obd, unregister_page_removal_cb, 0);
1742 OBD_COUNTER_INCREMENT(exp->exp_obd, unregister_page_removal_cb);
1744 rc = OBP(exp->exp_obd, unregister_page_removal_cb)(exp, cb);
1748 static inline int obd_register_lock_cancel_cb(struct obd_export *exp,
1749 obd_lock_cancel_cb cb)
1754 OBD_CHECK_DT_OP(exp->exp_obd, register_lock_cancel_cb, 0);
1755 OBD_COUNTER_INCREMENT(exp->exp_obd, register_lock_cancel_cb);
1757 rc = OBP(exp->exp_obd, register_lock_cancel_cb)(exp, cb);
1761 static inline int obd_unregister_lock_cancel_cb(struct obd_export *exp,
1762 obd_lock_cancel_cb cb)
1767 OBD_CHECK_DT_OP(exp->exp_obd, unregister_lock_cancel_cb, 0);
1768 OBD_COUNTER_INCREMENT(exp->exp_obd, unregister_lock_cancel_cb);
1770 rc = OBP(exp->exp_obd, unregister_lock_cancel_cb)(exp, cb);
1775 /* metadata helpers */
1776 static inline int md_getstatus(struct obd_export *exp,
1777 struct lu_fid *fid, struct obd_capa **pc)
1782 EXP_CHECK_MD_OP(exp, getstatus);
1783 EXP_MD_COUNTER_INCREMENT(exp, getstatus);
1784 rc = MDP(exp->exp_obd, getstatus)(exp, fid, pc);
1788 static inline int md_getattr(struct obd_export *exp, struct md_op_data *op_data,
1789 struct ptlrpc_request **request)
1793 EXP_CHECK_MD_OP(exp, getattr);
1794 EXP_MD_COUNTER_INCREMENT(exp, getattr);
1795 rc = MDP(exp->exp_obd, getattr)(exp, op_data, request);
1799 static inline int md_change_cbdata(struct obd_export *exp,
1800 const struct lu_fid *fid,
1801 ldlm_iterator_t it, void *data)
1805 EXP_CHECK_MD_OP(exp, change_cbdata);
1806 EXP_MD_COUNTER_INCREMENT(exp, change_cbdata);
1807 rc = MDP(exp->exp_obd, change_cbdata)(exp, fid, it, data);
1811 static inline int md_find_cbdata(struct obd_export *exp,
1812 const struct lu_fid *fid,
1813 ldlm_iterator_t it, void *data)
1817 EXP_CHECK_MD_OP(exp, find_cbdata);
1818 EXP_MD_COUNTER_INCREMENT(exp, find_cbdata);
1819 rc = MDP(exp->exp_obd, find_cbdata)(exp, fid, it, data);
1823 static inline int md_close(struct obd_export *exp, struct md_op_data *op_data,
1824 struct md_open_data *mod,
1825 struct ptlrpc_request **request)
1829 EXP_CHECK_MD_OP(exp, close);
1830 EXP_MD_COUNTER_INCREMENT(exp, close);
1831 rc = MDP(exp->exp_obd, close)(exp, op_data, mod, request);
1835 static inline int md_create(struct obd_export *exp, struct md_op_data *op_data,
1836 const void *data, int datalen, int mode, __u32 uid,
1837 __u32 gid, cfs_cap_t cap_effective, __u64 rdev,
1838 struct ptlrpc_request **request)
1842 EXP_CHECK_MD_OP(exp, create);
1843 EXP_MD_COUNTER_INCREMENT(exp, create);
1844 rc = MDP(exp->exp_obd, create)(exp, op_data, data, datalen, mode,
1845 uid, gid, cap_effective, rdev, request);
1849 static inline int md_done_writing(struct obd_export *exp,
1850 struct md_op_data *op_data,
1851 struct md_open_data *mod)
1855 EXP_CHECK_MD_OP(exp, done_writing);
1856 EXP_MD_COUNTER_INCREMENT(exp, done_writing);
1857 rc = MDP(exp->exp_obd, done_writing)(exp, op_data, mod);
1861 static inline int md_enqueue(struct obd_export *exp,
1862 struct ldlm_enqueue_info *einfo,
1863 struct lookup_intent *it,
1864 struct md_op_data *op_data,
1865 struct lustre_handle *lockh,
1866 void *lmm, int lmmsize,
1867 struct ptlrpc_request **req,
1868 int extra_lock_flags)
1872 EXP_CHECK_MD_OP(exp, enqueue);
1873 EXP_MD_COUNTER_INCREMENT(exp, enqueue);
1874 rc = MDP(exp->exp_obd, enqueue)(exp, einfo, it, op_data, lockh,
1875 lmm, lmmsize, req, extra_lock_flags);
1879 static inline int md_getattr_name(struct obd_export *exp,
1880 struct md_op_data *op_data,
1881 struct ptlrpc_request **request)
1885 EXP_CHECK_MD_OP(exp, getattr_name);
1886 EXP_MD_COUNTER_INCREMENT(exp, getattr_name);
1887 rc = MDP(exp->exp_obd, getattr_name)(exp, op_data, request);
1891 static inline int md_intent_lock(struct obd_export *exp,
1892 struct md_op_data *op_data, void *lmm,
1893 int lmmsize, struct lookup_intent *it,
1894 int flags, struct ptlrpc_request **reqp,
1895 ldlm_blocking_callback cb_blocking,
1896 int extra_lock_flags)
1900 EXP_CHECK_MD_OP(exp, intent_lock);
1901 EXP_MD_COUNTER_INCREMENT(exp, intent_lock);
1902 rc = MDP(exp->exp_obd, intent_lock)(exp, op_data, lmm, lmmsize,
1903 it, flags, reqp, cb_blocking,
1908 static inline int md_link(struct obd_export *exp, struct md_op_data *op_data,
1909 struct ptlrpc_request **request)
1913 EXP_CHECK_MD_OP(exp, link);
1914 EXP_MD_COUNTER_INCREMENT(exp, link);
1915 rc = MDP(exp->exp_obd, link)(exp, op_data, request);
1919 static inline int md_rename(struct obd_export *exp, struct md_op_data *op_data,
1920 const char *old, int oldlen, const char *new,
1921 int newlen, struct ptlrpc_request **request)
1925 EXP_CHECK_MD_OP(exp, rename);
1926 EXP_MD_COUNTER_INCREMENT(exp, rename);
1927 rc = MDP(exp->exp_obd, rename)(exp, op_data, old, oldlen, new,
1932 static inline int md_is_subdir(struct obd_export *exp,
1933 const struct lu_fid *pfid,
1934 const struct lu_fid *cfid,
1935 struct ptlrpc_request **request)
1939 EXP_CHECK_MD_OP(exp, is_subdir);
1940 EXP_MD_COUNTER_INCREMENT(exp, is_subdir);
1941 rc = MDP(exp->exp_obd, is_subdir)(exp, pfid, cfid, request);
1945 static inline int md_setattr(struct obd_export *exp, struct md_op_data *op_data,
1946 void *ea, int ealen, void *ea2, int ea2len,
1947 struct ptlrpc_request **request,
1948 struct md_open_data **mod)
1952 EXP_CHECK_MD_OP(exp, setattr);
1953 EXP_MD_COUNTER_INCREMENT(exp, setattr);
1954 rc = MDP(exp->exp_obd, setattr)(exp, op_data, ea, ealen,
1955 ea2, ea2len, request, mod);
1959 static inline int md_sync(struct obd_export *exp, const struct lu_fid *fid,
1960 struct obd_capa *oc, struct ptlrpc_request **request)
1964 EXP_CHECK_MD_OP(exp, sync);
1965 EXP_MD_COUNTER_INCREMENT(exp, sync);
1966 rc = MDP(exp->exp_obd, sync)(exp, fid, oc, request);
1970 static inline int md_readpage(struct obd_export *exp, const struct lu_fid *fid,
1971 struct obd_capa *oc, __u64 offset,
1973 struct ptlrpc_request **request)
1977 EXP_CHECK_MD_OP(exp, readpage);
1978 EXP_MD_COUNTER_INCREMENT(exp, readpage);
1979 rc = MDP(exp->exp_obd, readpage)(exp, fid, oc, offset, page, request);
1983 static inline int md_unlink(struct obd_export *exp, struct md_op_data *op_data,
1984 struct ptlrpc_request **request)
1988 EXP_CHECK_MD_OP(exp, unlink);
1989 EXP_MD_COUNTER_INCREMENT(exp, unlink);
1990 rc = MDP(exp->exp_obd, unlink)(exp, op_data, request);
1994 static inline int md_get_lustre_md(struct obd_export *exp,
1995 struct ptlrpc_request *req,
1996 struct obd_export *dt_exp,
1997 struct obd_export *md_exp,
1998 struct lustre_md *md)
2001 EXP_CHECK_MD_OP(exp, get_lustre_md);
2002 EXP_MD_COUNTER_INCREMENT(exp, get_lustre_md);
2003 RETURN(MDP(exp->exp_obd, get_lustre_md)(exp, req, dt_exp, md_exp, md));
2006 static inline int md_free_lustre_md(struct obd_export *exp,
2007 struct lustre_md *md)
2010 EXP_CHECK_MD_OP(exp, free_lustre_md);
2011 EXP_MD_COUNTER_INCREMENT(exp, free_lustre_md);
2012 RETURN(MDP(exp->exp_obd, free_lustre_md)(exp, md));
2015 static inline int md_setxattr(struct obd_export *exp,
2016 const struct lu_fid *fid, struct obd_capa *oc,
2017 obd_valid valid, const char *name,
2018 const char *input, int input_size,
2019 int output_size, int flags, __u32 suppgid,
2020 struct ptlrpc_request **request)
2023 EXP_CHECK_MD_OP(exp, setxattr);
2024 EXP_MD_COUNTER_INCREMENT(exp, setxattr);
2025 RETURN(MDP(exp->exp_obd, setxattr)(exp, fid, oc, valid, name, input,
2026 input_size, output_size, flags,
2030 static inline int md_getxattr(struct obd_export *exp,
2031 const struct lu_fid *fid, struct obd_capa *oc,
2032 obd_valid valid, const char *name,
2033 const char *input, int input_size,
2034 int output_size, int flags,
2035 struct ptlrpc_request **request)
2038 EXP_CHECK_MD_OP(exp, getxattr);
2039 EXP_MD_COUNTER_INCREMENT(exp, getxattr);
2040 RETURN(MDP(exp->exp_obd, getxattr)(exp, fid, oc, valid, name, input,
2041 input_size, output_size, flags,
2045 static inline int md_set_open_replay_data(struct obd_export *exp,
2046 struct obd_client_handle *och,
2047 struct ptlrpc_request *open_req)
2050 EXP_CHECK_MD_OP(exp, set_open_replay_data);
2051 EXP_MD_COUNTER_INCREMENT(exp, set_open_replay_data);
2052 RETURN(MDP(exp->exp_obd, set_open_replay_data)(exp, och, open_req));
2055 static inline int md_clear_open_replay_data(struct obd_export *exp,
2056 struct obd_client_handle *och)
2059 EXP_CHECK_MD_OP(exp, clear_open_replay_data);
2060 EXP_MD_COUNTER_INCREMENT(exp, clear_open_replay_data);
2061 RETURN(MDP(exp->exp_obd, clear_open_replay_data)(exp, och));
2064 static inline int md_set_lock_data(struct obd_export *exp,
2065 __u64 *lockh, void *data, __u32 *bits)
2068 EXP_CHECK_MD_OP(exp, set_lock_data);
2069 EXP_MD_COUNTER_INCREMENT(exp, set_lock_data);
2070 RETURN(MDP(exp->exp_obd, set_lock_data)(exp, lockh, data, bits));
2073 static inline int md_cancel_unused(struct obd_export *exp,
2074 const struct lu_fid *fid,
2075 ldlm_policy_data_t *policy,
2077 ldlm_cancel_flags_t flags,
2083 EXP_CHECK_MD_OP(exp, cancel_unused);
2084 EXP_MD_COUNTER_INCREMENT(exp, cancel_unused);
2086 rc = MDP(exp->exp_obd, cancel_unused)(exp, fid, policy, mode,
2091 static inline ldlm_mode_t md_lock_match(struct obd_export *exp, int flags,
2092 const struct lu_fid *fid,
2094 ldlm_policy_data_t *policy,
2096 struct lustre_handle *lockh)
2099 EXP_CHECK_MD_OP(exp, lock_match);
2100 EXP_MD_COUNTER_INCREMENT(exp, lock_match);
2101 RETURN(MDP(exp->exp_obd, lock_match)(exp, flags, fid, type,
2102 policy, mode, lockh));
2105 static inline int md_init_ea_size(struct obd_export *exp, int easize,
2106 int def_asize, int cookiesize)
2109 EXP_CHECK_MD_OP(exp, init_ea_size);
2110 EXP_MD_COUNTER_INCREMENT(exp, init_ea_size);
2111 RETURN(MDP(exp->exp_obd, init_ea_size)(exp, easize, def_asize,
2115 static inline int md_get_remote_perm(struct obd_export *exp,
2116 const struct lu_fid *fid,
2117 struct obd_capa *oc, __u32 suppgid,
2118 struct ptlrpc_request **request)
2121 EXP_CHECK_MD_OP(exp, get_remote_perm);
2122 EXP_MD_COUNTER_INCREMENT(exp, get_remote_perm);
2123 RETURN(MDP(exp->exp_obd, get_remote_perm)(exp, fid, oc, suppgid,
2127 static inline int md_renew_capa(struct obd_export *exp, struct obd_capa *ocapa,
2132 EXP_CHECK_MD_OP(exp, renew_capa);
2133 EXP_MD_COUNTER_INCREMENT(exp, renew_capa);
2134 rc = MDP(exp->exp_obd, renew_capa)(exp, ocapa, cb);
2138 static inline int md_unpack_capa(struct obd_export *exp,
2139 struct ptlrpc_request *req,
2140 const struct req_msg_field *field,
2141 struct obd_capa **oc)
2145 EXP_CHECK_MD_OP(exp, unpack_capa);
2146 EXP_MD_COUNTER_INCREMENT(exp, unpack_capa);
2147 rc = MDP(exp->exp_obd, unpack_capa)(exp, req, field, oc);
2151 static inline int md_intent_getattr_async(struct obd_export *exp,
2152 struct md_enqueue_info *minfo,
2153 struct ldlm_enqueue_info *einfo)
2157 EXP_CHECK_MD_OP(exp, intent_getattr_async);
2158 EXP_MD_COUNTER_INCREMENT(exp, intent_getattr_async);
2159 rc = MDP(exp->exp_obd, intent_getattr_async)(exp, minfo, einfo);
2163 static inline int md_revalidate_lock(struct obd_export *exp,
2164 struct lookup_intent *it,
2165 struct lu_fid *fid, __u32 *bits)
2169 EXP_CHECK_MD_OP(exp, revalidate_lock);
2170 EXP_MD_COUNTER_INCREMENT(exp, revalidate_lock);
2171 rc = MDP(exp->exp_obd, revalidate_lock)(exp, it, fid, bits);
2176 /* OBD Metadata Support */
2178 extern int obd_init_caches(void);
2179 extern void obd_cleanup_caches(void);
2181 /* support routines */
2182 extern cfs_mem_cache_t *obdo_cachep;
2184 #define OBDO_ALLOC(ptr) \
2186 OBD_SLAB_ALLOC_PTR((ptr), obdo_cachep); \
2189 #define OBDO_FREE(ptr) \
2191 OBD_SLAB_FREE_PTR((ptr), obdo_cachep); \
2195 static inline void obdo2fid(struct obdo *oa, struct lu_fid *fid)
2197 /* something here */
2200 static inline void fid2obdo(struct lu_fid *fid, struct obdo *oa)
2202 /* something here */
2205 /* I'm as embarrassed about this as you are.
2207 * <shaver> // XXX do not look into _superhack with remaining eye
2208 * <shaver> // XXX if this were any uglier, I'd get my own show on MTV */
2209 extern int (*ptlrpc_put_connection_superhack)(struct ptlrpc_connection *c);
2212 extern void obd_sysctl_init (void);
2213 extern void obd_sysctl_clean (void);
2216 typedef __u8 class_uuid_t[16];
2217 void class_uuid_unparse(class_uuid_t in, struct obd_uuid *out);
2220 int lustre_uuid_to_peer(const char *uuid, lnet_nid_t *peer_nid, int index);
2221 int class_add_uuid(const char *uuid, __u64 nid);
2222 int class_del_uuid (const char *uuid);
2223 void class_init_uuidlist(void);
2224 void class_exit_uuidlist(void);
2227 int mea_name2idx(struct lmv_stripe_md *mea, const char *name, int namelen);
2228 int raw_name2idx(int hashtype, int count, const char *name, int namelen);
2231 void ll_generate_random_uuid(class_uuid_t uuid_out);
2233 #endif /* __LINUX_OBD_CLASS_H */