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 spinlock_t obd_dev_lock;
65 /* OBD Operations Declarations */
66 extern struct obd_device *class_conn2obd(struct lustre_handle *);
67 extern struct obd_device *class_exp2obd(struct obd_export *);
69 struct lu_device_type;
72 struct obd_export *class_conn2export(struct lustre_handle *);
73 int class_register_type(struct obd_ops *, struct md_ops *,
74 struct lprocfs_vars *, const char *nm,
75 struct lu_device_type *ldt);
76 int class_unregister_type(const char *nm);
78 struct obd_device *class_newdev(const char *type_name, const char *name);
79 void class_release_dev(struct obd_device *obd);
81 int class_name2dev(const char *name);
82 struct obd_device *class_name2obd(const char *name);
83 int class_uuid2dev(struct obd_uuid *uuid);
84 struct obd_device *class_uuid2obd(struct obd_uuid *uuid);
85 void class_obd_list(void);
86 struct obd_device * class_find_client_obd(struct obd_uuid *tgt_uuid,
87 const char * typ_name,
88 struct obd_uuid *grp_uuid);
89 struct obd_device * class_devices_in_group(struct obd_uuid *grp_uuid,
91 struct obd_device * class_num2obd(int num);
93 int class_notify_sptlrpc_conf(const char *fsname, int namelen);
95 char *obd_export_nid2str(struct obd_export *exp);
97 int obd_export_evict_by_nid(struct obd_device *obd, const char *nid);
98 int obd_export_evict_by_uuid(struct obd_device *obd, const char *uuid);
100 int obd_zombie_impexp_init(void);
101 void obd_zombie_impexp_stop(void);
102 void obd_zombie_impexp_cull(void);
103 void obd_zombie_barrier(void);
104 void obd_exports_barrier(struct obd_device *obd);
107 int class_process_config(struct lustre_cfg *lcfg);
108 int class_process_proc_param(char *prefix, struct lprocfs_vars *lvars,
109 struct lustre_cfg *lcfg, void *data);
110 int class_attach(struct lustre_cfg *lcfg);
111 int class_setup(struct obd_device *obd, struct lustre_cfg *lcfg);
112 int class_cleanup(struct obd_device *obd, struct lustre_cfg *lcfg);
113 int class_detach(struct obd_device *obd, struct lustre_cfg *lcfg);
114 struct obd_device *class_incref(struct obd_device *obd,
115 const char *scope, const void *source);
116 void class_decref(struct obd_device *obd,
117 const char *scope, const void *source);
118 void dump_exports(struct obd_device *obd);
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 struct list_head cld_list_chain;
156 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 watching */
160 cld_lostlock:1, /* lock not requeued */
164 struct lustre_profile {
165 struct list_head lp_list;
171 struct lustre_profile *class_get_profile(const char * prof);
172 void class_del_profile(const char *prof);
173 void class_del_profiles(void);
175 #define class_export_rpc_get(exp) \
177 atomic_inc(&(exp)->exp_rpc_count); \
178 CDEBUG(D_INFO, "RPC GETting export %p : new rpc_count %d\n", \
179 (exp), atomic_read(&(exp)->exp_rpc_count)); \
180 class_export_get(exp); \
183 #define class_export_rpc_put(exp) \
185 LASSERT(atomic_read(&exp->exp_rpc_count) > 0); \
186 atomic_dec(&(exp)->exp_rpc_count); \
187 CDEBUG(D_INFO, "RPC PUTting export %p : new rpc_count %d\n", \
188 (exp), atomic_read(&(exp)->exp_rpc_count)); \
189 class_export_put(exp); \
192 #define class_export_lock_get(exp) \
194 atomic_inc(&(exp)->exp_locks_count); \
195 CDEBUG(D_INFO, "lock GETting export %p : new locks_count %d\n", \
196 (exp), atomic_read(&(exp)->exp_locks_count)); \
197 class_export_get(exp); \
200 #define class_export_lock_put(exp) \
202 LASSERT(atomic_read(&exp->exp_locks_count) > 0); \
203 atomic_dec(&(exp)->exp_locks_count); \
204 CDEBUG(D_INFO, "lock PUTting export %p : new locks_count %d\n", \
205 (exp), atomic_read(&(exp)->exp_locks_count)); \
206 class_export_put(exp); \
209 #define class_export_cb_get(exp) \
211 atomic_inc(&(exp)->exp_cb_count); \
212 CDEBUG(D_INFO, "callback GETting export %p : new cb_count %d\n",\
213 (exp), atomic_read(&(exp)->exp_cb_count)); \
214 class_export_get(exp); \
217 #define class_export_cb_put(exp) \
219 LASSERT(atomic_read(&exp->exp_cb_count) > 0); \
220 atomic_dec(&(exp)->exp_cb_count); \
221 CDEBUG(D_INFO, "callback PUTting export %p : new cb_count %d\n",\
222 (exp), atomic_read(&(exp)->exp_cb_count)); \
223 class_export_put(exp); \
227 struct obd_export *class_export_get(struct obd_export *exp);
228 void class_export_put(struct obd_export *exp);
229 struct obd_export *class_new_export(struct obd_device *obddev,
230 struct obd_uuid *cluuid);
231 void class_unlink_export(struct obd_export *exp);
233 struct obd_import *class_import_get(struct obd_import *);
234 void class_import_put(struct obd_import *);
235 struct obd_import *class_new_import(struct obd_device *obd);
236 void class_destroy_import(struct obd_import *exp);
238 struct obd_type *class_search_type(const char *name);
239 struct obd_type *class_get_type(const char *name);
240 void class_put_type(struct obd_type *type);
241 int class_connect(struct lustre_handle *conn, struct obd_device *obd,
242 struct obd_uuid *cluuid);
243 int class_disconnect(struct obd_export *exp);
244 void class_fail_export(struct obd_export *exp);
245 void class_disconnect_exports(struct obd_device *obddev);
246 int class_manual_cleanup(struct obd_device *obd);
247 void class_disconnect_stale_exports(struct obd_device *,
248 int (*test_export)(struct obd_export *));
249 static inline enum obd_option exp_flags_from_obd(struct obd_device *obd)
251 return ((obd->obd_fail ? OBD_OPT_FAILOVER : 0) |
252 (obd->obd_force ? OBD_OPT_FORCE : 0) |
253 (obd->obd_abort_recovery ? OBD_OPT_ABORT_RECOV : 0) |
257 void obdo_cpy_md(struct obdo *dst, struct obdo *src, obd_flag valid);
258 void obdo_to_ioobj(struct obdo *oa, struct obd_ioobj *ioobj);
259 void obdo_from_iattr(struct obdo *oa, struct iattr *attr,
260 unsigned int ia_valid);
261 void iattr_from_obdo(struct iattr *attr, struct obdo *oa, obd_flag valid);
262 void md_from_obdo(struct md_op_data *op_data, struct obdo *oa, obd_flag valid);
263 void obdo_from_md(struct obdo *oa, struct md_op_data *op_data,
266 #define OBT(dev) (dev)->obd_type
267 #define OBP(dev, op) (dev)->obd_type->typ_dt_ops->o_ ## op
268 #define MDP(dev, op) (dev)->obd_type->typ_md_ops->m_ ## op
269 #define CTXTP(ctxt, op) (ctxt)->loc_logops->lop_##op
271 /* Ensure obd_setup: used for cleanup which must be called
272 while obd is stopping */
273 #define OBD_CHECK_DEV(obd) \
276 CERROR("NULL device\n"); \
281 /* ensure obd_setup and !obd_stopping */
282 #define OBD_CHECK_DEV_ACTIVE(obd) \
284 OBD_CHECK_DEV(obd); \
285 if (!(obd)->obd_set_up || (obd)->obd_stopping) { \
286 CERROR("Device %d not setup\n", \
294 #define OBD_COUNTER_OFFSET(op) \
295 ((offsetof(struct obd_ops, o_ ## op) - \
296 offsetof(struct obd_ops, o_iocontrol)) \
297 / sizeof(((struct obd_ops *)(0))->o_iocontrol))
299 #define OBD_COUNTER_INCREMENT(obdx, op) \
300 if ((obdx)->obd_stats != NULL) { \
301 unsigned int coffset; \
302 coffset = (unsigned int)((obdx)->obd_cntr_base) + \
303 OBD_COUNTER_OFFSET(op); \
304 LASSERT(coffset < (obdx)->obd_stats->ls_num); \
305 lprocfs_counter_incr((obdx)->obd_stats, coffset); \
308 #define EXP_COUNTER_INCREMENT(export, op) \
309 if ((export)->exp_obd->obd_stats != NULL) { \
310 unsigned int coffset; \
311 coffset = (unsigned int)((export)->exp_obd->obd_cntr_base) + \
312 OBD_COUNTER_OFFSET(op); \
313 LASSERT(coffset < (export)->exp_obd->obd_stats->ls_num); \
314 lprocfs_counter_incr((export)->exp_obd->obd_stats, coffset); \
315 if ((export)->exp_nid_stats != NULL && \
316 (export)->exp_nid_stats->nid_stats != NULL) \
317 lprocfs_counter_incr( \
318 (export)->exp_nid_stats->nid_stats, coffset);\
321 #define MD_COUNTER_OFFSET(op) \
322 ((offsetof(struct md_ops, m_ ## op) - \
323 offsetof(struct md_ops, m_getstatus)) \
324 / sizeof(((struct md_ops *)(0))->m_getstatus))
326 #define MD_COUNTER_INCREMENT(obdx, op) \
327 if ((obd)->md_stats != NULL) { \
328 unsigned int coffset; \
329 coffset = (unsigned int)((obdx)->md_cntr_base) + \
330 MD_COUNTER_OFFSET(op); \
331 LASSERT(coffset < (obdx)->md_stats->ls_num); \
332 lprocfs_counter_incr((obdx)->md_stats, coffset); \
335 #define EXP_MD_COUNTER_INCREMENT(export, op) \
336 if ((export)->exp_obd->obd_stats != NULL) { \
337 unsigned int coffset; \
338 coffset = (unsigned int)((export)->exp_obd->md_cntr_base) + \
339 MD_COUNTER_OFFSET(op); \
340 LASSERT(coffset < (export)->exp_obd->md_stats->ls_num); \
341 lprocfs_counter_incr((export)->exp_obd->md_stats, coffset); \
342 if ((export)->exp_md_stats != NULL) \
343 lprocfs_counter_incr( \
344 (export)->exp_md_stats, coffset); \
348 #define OBD_COUNTER_OFFSET(op)
349 #define OBD_COUNTER_INCREMENT(obd, op)
350 #define EXP_COUNTER_INCREMENT(exp, op)
351 #define MD_COUNTER_INCREMENT(obd, op)
352 #define EXP_MD_COUNTER_INCREMENT(exp, op)
355 #define OBD_CHECK_MD_OP(obd, op, err) \
357 if (!OBT(obd) || !MDP((obd), op)) { \
359 CERROR("md_" #op ": dev %s/%d no operation\n", \
360 obd->obd_name, obd->obd_minor); \
365 #define EXP_CHECK_MD_OP(exp, op) \
367 if ((exp) == NULL) { \
368 CERROR("obd_" #op ": NULL export\n"); \
371 if ((exp)->exp_obd == NULL || !OBT((exp)->exp_obd)) { \
372 CERROR("obd_" #op ": cleaned up obd\n"); \
373 RETURN(-EOPNOTSUPP); \
375 if (!OBT((exp)->exp_obd) || !MDP((exp)->exp_obd, op)) { \
376 CERROR("obd_" #op ": dev %s/%d no operation\n", \
377 (exp)->exp_obd->obd_name, \
378 (exp)->exp_obd->obd_minor); \
379 RETURN(-EOPNOTSUPP); \
384 #define OBD_CHECK_DT_OP(obd, op, err) \
386 if (!OBT(obd) || !OBP((obd), op)) { \
388 CERROR("obd_" #op ": dev %d no operation\n", \
394 #define EXP_CHECK_DT_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) || !OBP((exp)->exp_obd, op)) { \
405 CERROR("obd_" #op ": dev %d no operation\n", \
406 (exp)->exp_obd->obd_minor); \
407 RETURN(-EOPNOTSUPP); \
411 #define CTXT_CHECK_OP(ctxt, op, err) \
413 if (!OBT(ctxt->loc_obd) || !CTXTP((ctxt), op)) { \
415 CERROR("lop_" #op ": dev %d no operation\n", \
416 ctxt->loc_obd->obd_minor); \
421 static inline int class_devno_max(void)
423 return MAX_OBD_DEVICES;
426 static inline int obd_get_info(struct obd_export *exp, __u32 keylen,
427 void *key, __u32 *vallen, void *val,
428 struct lov_stripe_md *lsm)
433 EXP_CHECK_DT_OP(exp, get_info);
434 EXP_COUNTER_INCREMENT(exp, get_info);
436 rc = OBP(exp->exp_obd, get_info)(exp, keylen, key, vallen, val, lsm);
440 static inline int obd_set_info_async(struct obd_export *exp, obd_count keylen,
441 void *key, obd_count vallen, void *val,
442 struct ptlrpc_request_set *set)
447 EXP_CHECK_DT_OP(exp, set_info_async);
448 EXP_COUNTER_INCREMENT(exp, set_info_async);
450 rc = OBP(exp->exp_obd, set_info_async)(exp, keylen, key, vallen, val,
456 * obd-lu integration.
458 * Functionality is being moved into new lu_device-based layering, but some
459 * pieces of configuration process are still based on obd devices.
461 * Specifically, lu_device_type_operations::ldto_device_alloc() methods fully
462 * subsume ->o_setup() methods of obd devices they replace. The same for
463 * lu_device_operations::ldo_process_config() and ->o_process_config(). As a
464 * result, obd_setup() and obd_process_config() branch and call one XOR
467 * Yet neither lu_device_type_operations::ldto_device_fini() nor
468 * lu_device_type_operations::ldto_device_free() fully implement the
469 * functionality of ->o_precleanup() and ->o_cleanup() they override. Hence,
470 * obd_precleanup() and obd_cleanup() call both lu_device and obd operations.
473 #define DECLARE_LU_VARS(ldt, d) \
474 struct lu_device_type *ldt; \
477 static inline int obd_setup(struct obd_device *obd, struct lustre_cfg *cfg)
480 DECLARE_LU_VARS(ldt, d);
483 ldt = obd->obd_type->typ_lu;
485 struct lu_context session_ctx;
487 lu_context_init(&session_ctx, LCT_SESSION);
488 session_ctx.lc_thread = NULL;
489 lu_context_enter(&session_ctx);
491 rc = lu_env_init(&env, ldt->ldt_ctx_tags);
493 env.le_ses = &session_ctx;
494 d = ldt->ldt_ops->ldto_device_alloc(&env, ldt, cfg);
503 lu_context_exit(&session_ctx);
504 lu_context_fini(&session_ctx);
507 OBD_CHECK_DT_OP(obd, setup, -EOPNOTSUPP);
508 OBD_COUNTER_INCREMENT(obd, setup);
509 rc = OBP(obd, setup)(obd, cfg);
514 static inline int obd_precleanup(struct obd_device *obd,
515 enum obd_cleanup_stage cleanup_stage)
518 DECLARE_LU_VARS(ldt, d);
522 ldt = obd->obd_type->typ_lu;
524 if (ldt != NULL && d != NULL) {
525 if (cleanup_stage == OBD_CLEANUP_EXPORTS) {
528 rc = lu_env_init(&env, ldt->ldt_ctx_tags);
530 ldt->ldt_ops->ldto_device_fini(&env, d);
535 OBD_CHECK_DT_OP(obd, precleanup, 0);
536 OBD_COUNTER_INCREMENT(obd, precleanup);
538 rc = OBP(obd, precleanup)(obd, cleanup_stage);
542 static inline int obd_cleanup(struct obd_device *obd)
545 DECLARE_LU_VARS(ldt, d);
550 ldt = obd->obd_type->typ_lu;
552 if (ldt != NULL && d != NULL) {
555 rc = lu_env_init(&env, ldt->ldt_ctx_tags);
557 ldt->ldt_ops->ldto_device_free(&env, d);
559 obd->obd_lu_dev = NULL;
562 OBD_CHECK_DT_OP(obd, cleanup, 0);
563 OBD_COUNTER_INCREMENT(obd, cleanup);
565 rc = OBP(obd, cleanup)(obd);
570 obd_process_config(struct obd_device *obd, int datalen, void *data)
573 DECLARE_LU_VARS(ldt, d);
578 obd->obd_process_conf = 1;
579 ldt = obd->obd_type->typ_lu;
581 if (ldt != NULL && d != NULL) {
584 rc = lu_env_init(&env, ldt->ldt_ctx_tags);
586 rc = d->ld_ops->ldo_process_config(&env, d, data);
590 OBD_CHECK_DT_OP(obd, process_config, -EOPNOTSUPP);
591 rc = OBP(obd, process_config)(obd, datalen, data);
593 OBD_COUNTER_INCREMENT(obd, process_config);
594 obd->obd_process_conf = 0;
599 /* Pack an in-memory MD struct for storage on disk.
600 * Returns +ve size of packed MD (0 for free), or -ve error.
602 * If @disk_tgt == NULL, MD size is returned (max size if @mem_src == NULL).
603 * If @*disk_tgt != NULL and @mem_src == NULL, @*disk_tgt will be freed.
604 * If @*disk_tgt == NULL, it will be allocated
606 static inline int obd_packmd(struct obd_export *exp,
607 struct lov_mds_md **disk_tgt,
608 struct lov_stripe_md *mem_src)
613 EXP_CHECK_DT_OP(exp, packmd);
614 EXP_COUNTER_INCREMENT(exp, packmd);
616 rc = OBP(exp->exp_obd, packmd)(exp, disk_tgt, mem_src);
620 static inline int obd_size_diskmd(struct obd_export *exp,
621 struct lov_stripe_md *mem_src)
623 return obd_packmd(exp, NULL, mem_src);
626 /* helper functions */
627 static inline int obd_alloc_diskmd(struct obd_export *exp,
628 struct lov_mds_md **disk_tgt)
631 LASSERT(*disk_tgt == NULL);
632 return obd_packmd(exp, disk_tgt, NULL);
635 static inline int obd_free_diskmd(struct obd_export *exp,
636 struct lov_mds_md **disk_tgt)
640 return obd_packmd(exp, disk_tgt, NULL);
643 /* Unpack an MD struct from disk to in-memory format.
644 * Returns +ve size of unpacked MD (0 for free), or -ve error.
646 * If @mem_tgt == NULL, MD size is returned (max size if @disk_src == NULL).
647 * If @*mem_tgt != NULL and @disk_src == NULL, @*mem_tgt will be freed.
648 * If @*mem_tgt == NULL, it will be allocated
650 static inline int obd_unpackmd(struct obd_export *exp,
651 struct lov_stripe_md **mem_tgt,
652 struct lov_mds_md *disk_src,
658 EXP_CHECK_DT_OP(exp, unpackmd);
659 EXP_COUNTER_INCREMENT(exp, unpackmd);
661 rc = OBP(exp->exp_obd, unpackmd)(exp, mem_tgt, disk_src, disk_len);
665 /* helper functions */
666 static inline int obd_alloc_memmd(struct obd_export *exp,
667 struct lov_stripe_md **mem_tgt)
670 LASSERT(*mem_tgt == NULL);
671 return obd_unpackmd(exp, mem_tgt, NULL, 0);
674 static inline int obd_free_memmd(struct obd_export *exp,
675 struct lov_stripe_md **mem_tgt)
681 rc = obd_unpackmd(exp, mem_tgt, NULL, 0);
686 static inline int obd_checkmd(struct obd_export *exp,
687 struct obd_export *md_exp,
688 struct lov_stripe_md *mem_tgt)
693 EXP_CHECK_DT_OP(exp, checkmd);
694 EXP_COUNTER_INCREMENT(exp, checkmd);
696 rc = OBP(exp->exp_obd, checkmd)(exp, md_exp, mem_tgt);
700 static inline int obd_precreate(struct obd_export *exp)
705 EXP_CHECK_DT_OP(exp, precreate);
706 OBD_COUNTER_INCREMENT(exp->exp_obd, precreate);
708 rc = OBP(exp->exp_obd, precreate)(exp);
712 static inline int obd_create_async(struct obd_export *exp,
713 struct obd_info *oinfo,
714 struct lov_stripe_md **ea,
715 struct obd_trans_info *oti)
720 EXP_CHECK_DT_OP(exp, create_async);
721 EXP_COUNTER_INCREMENT(exp, create_async);
723 rc = OBP(exp->exp_obd, create_async)(exp, oinfo, ea, oti);
727 static inline int obd_create(struct obd_export *exp, struct obdo *obdo,
728 struct lov_stripe_md **ea,
729 struct obd_trans_info *oti)
734 EXP_CHECK_DT_OP(exp, create);
735 EXP_COUNTER_INCREMENT(exp, create);
737 rc = OBP(exp->exp_obd, create)(exp, obdo, ea, oti);
741 static inline int obd_destroy(struct obd_export *exp, struct obdo *obdo,
742 struct lov_stripe_md *ea,
743 struct obd_trans_info *oti,
744 struct obd_export *md_exp, void *capa)
749 EXP_CHECK_DT_OP(exp, destroy);
750 EXP_COUNTER_INCREMENT(exp, destroy);
752 rc = OBP(exp->exp_obd, destroy)(exp, obdo, ea, oti, md_exp, capa);
756 static inline int obd_getattr(struct obd_export *exp, struct obd_info *oinfo)
761 EXP_CHECK_DT_OP(exp, getattr);
762 EXP_COUNTER_INCREMENT(exp, getattr);
764 rc = OBP(exp->exp_obd, getattr)(exp, oinfo);
768 static inline int obd_getattr_async(struct obd_export *exp,
769 struct obd_info *oinfo,
770 struct ptlrpc_request_set *set)
775 EXP_CHECK_DT_OP(exp, getattr_async);
776 EXP_COUNTER_INCREMENT(exp, getattr_async);
778 rc = OBP(exp->exp_obd, getattr_async)(exp, oinfo, set);
782 static inline int obd_setattr(struct obd_export *exp, struct obd_info *oinfo,
783 struct obd_trans_info *oti)
788 EXP_CHECK_DT_OP(exp, setattr);
789 EXP_COUNTER_INCREMENT(exp, setattr);
791 rc = OBP(exp->exp_obd, setattr)(exp, oinfo, oti);
795 /* This performs all the requests set init/wait/destroy actions. */
796 static inline int obd_setattr_rqset(struct obd_export *exp,
797 struct obd_info *oinfo,
798 struct obd_trans_info *oti)
800 struct ptlrpc_request_set *set = NULL;
804 EXP_CHECK_DT_OP(exp, setattr_async);
805 EXP_COUNTER_INCREMENT(exp, setattr_async);
807 set = ptlrpc_prep_set();
811 rc = OBP(exp->exp_obd, setattr_async)(exp, oinfo, oti, set);
813 rc = ptlrpc_set_wait(set);
814 ptlrpc_set_destroy(set);
818 /* This adds all the requests into @set if @set != NULL, otherwise
819 all requests are sent asynchronously without waiting for response. */
820 static inline int obd_setattr_async(struct obd_export *exp,
821 struct obd_info *oinfo,
822 struct obd_trans_info *oti,
823 struct ptlrpc_request_set *set)
828 EXP_CHECK_DT_OP(exp, setattr_async);
829 EXP_COUNTER_INCREMENT(exp, setattr_async);
831 rc = OBP(exp->exp_obd, setattr_async)(exp, oinfo, oti, set);
835 static inline int obd_add_conn(struct obd_import *imp, struct obd_uuid *uuid,
838 struct obd_device *obd = imp->imp_obd;
842 OBD_CHECK_DEV_ACTIVE(obd);
843 OBD_CHECK_DT_OP(obd, add_conn, -EOPNOTSUPP);
844 OBD_COUNTER_INCREMENT(obd, add_conn);
846 rc = OBP(obd, add_conn)(imp, uuid, priority);
850 static inline int obd_del_conn(struct obd_import *imp, struct obd_uuid *uuid)
852 struct obd_device *obd = imp->imp_obd;
856 OBD_CHECK_DEV_ACTIVE(obd);
857 OBD_CHECK_DT_OP(obd, del_conn, -EOPNOTSUPP);
858 OBD_COUNTER_INCREMENT(obd, del_conn);
860 rc = OBP(obd, del_conn)(imp, uuid);
864 static inline struct obd_uuid *obd_get_uuid(struct obd_export *exp)
866 struct obd_uuid *uuid;
869 OBD_CHECK_DT_OP(exp->exp_obd, get_uuid, NULL);
870 EXP_COUNTER_INCREMENT(exp, get_uuid);
872 uuid = OBP(exp->exp_obd, get_uuid)(exp);
876 static inline int obd_connect(const struct lu_env *env,
877 struct obd_export **exp,struct obd_device *obd,
878 struct obd_uuid *cluuid,
879 struct obd_connect_data *d,
883 __u64 ocf = d ? d->ocd_connect_flags : 0; /* for post-condition
887 OBD_CHECK_DEV_ACTIVE(obd);
888 OBD_CHECK_DT_OP(obd, connect, -EOPNOTSUPP);
889 OBD_COUNTER_INCREMENT(obd, connect);
891 rc = OBP(obd, connect)(env, exp, obd, cluuid, d, localdata);
892 /* check that only subset is granted */
893 LASSERT(ergo(d != NULL,
894 (d->ocd_connect_flags & ocf) == d->ocd_connect_flags));
898 static inline int obd_reconnect(const struct lu_env *env,
899 struct obd_export *exp,
900 struct obd_device *obd,
901 struct obd_uuid *cluuid,
902 struct obd_connect_data *d,
906 __u64 ocf = d ? d->ocd_connect_flags : 0; /* for post-condition
911 OBD_CHECK_DEV_ACTIVE(obd);
912 OBD_CHECK_DT_OP(obd, reconnect, 0);
913 OBD_COUNTER_INCREMENT(obd, reconnect);
915 rc = OBP(obd, reconnect)(env, exp, obd, cluuid, d, localdata);
916 /* check that only subset is granted */
917 LASSERT(ergo(d != NULL,
918 (d->ocd_connect_flags & ocf) == d->ocd_connect_flags));
922 static inline int obd_disconnect(struct obd_export *exp)
927 EXP_CHECK_DT_OP(exp, disconnect);
928 EXP_COUNTER_INCREMENT(exp, disconnect);
930 rc = OBP(exp->exp_obd, disconnect)(exp);
934 static inline int obd_fid_init(struct obd_export *exp)
939 OBD_CHECK_DT_OP(exp->exp_obd, fid_init, 0);
940 EXP_COUNTER_INCREMENT(exp, fid_init);
942 rc = OBP(exp->exp_obd, fid_init)(exp);
946 static inline int obd_fid_fini(struct obd_export *exp)
951 OBD_CHECK_DT_OP(exp->exp_obd, fid_fini, 0);
952 EXP_COUNTER_INCREMENT(exp, fid_fini);
954 rc = OBP(exp->exp_obd, fid_fini)(exp);
958 static inline int obd_fid_alloc(struct obd_export *exp,
960 struct md_op_data *op_data)
965 EXP_CHECK_DT_OP(exp, fid_alloc);
966 EXP_COUNTER_INCREMENT(exp, fid_alloc);
968 rc = OBP(exp->exp_obd, fid_alloc)(exp, fid, op_data);
972 static inline int obd_fid_delete(struct obd_export *exp,
973 const struct lu_fid *fid)
978 EXP_CHECK_DT_OP(exp, fid_delete);
979 EXP_COUNTER_INCREMENT(exp, fid_delete);
981 rc = OBP(exp->exp_obd, fid_delete)(exp, fid);
985 static inline int obd_ping(struct obd_export *exp)
990 OBD_CHECK_DT_OP(exp->exp_obd, ping, 0);
991 EXP_COUNTER_INCREMENT(exp, ping);
993 rc = OBP(exp->exp_obd, ping)(exp);
997 static inline int obd_pool_new(struct obd_device *obd, char *poolname)
1002 OBD_CHECK_DT_OP(obd, pool_new, -EOPNOTSUPP);
1003 OBD_COUNTER_INCREMENT(obd, pool_new);
1005 rc = OBP(obd, pool_new)(obd, poolname);
1009 static inline int obd_pool_del(struct obd_device *obd, char *poolname)
1014 OBD_CHECK_DT_OP(obd, pool_del, -EOPNOTSUPP);
1015 OBD_COUNTER_INCREMENT(obd, pool_del);
1017 rc = OBP(obd, pool_del)(obd, poolname);
1021 static inline int obd_pool_add(struct obd_device *obd, char *poolname, char *ostname)
1026 OBD_CHECK_DT_OP(obd, pool_add, -EOPNOTSUPP);
1027 OBD_COUNTER_INCREMENT(obd, pool_add);
1029 rc = OBP(obd, pool_add)(obd, poolname, ostname);
1033 static inline int obd_pool_rem(struct obd_device *obd, char *poolname, char *ostname)
1038 OBD_CHECK_DT_OP(obd, pool_rem, -EOPNOTSUPP);
1039 OBD_COUNTER_INCREMENT(obd, pool_rem);
1041 rc = OBP(obd, pool_rem)(obd, poolname, ostname);
1045 static inline void obd_getref(struct obd_device *obd)
1048 if (OBT(obd) && OBP(obd, getref)) {
1049 OBD_COUNTER_INCREMENT(obd, getref);
1050 OBP(obd, getref)(obd);
1055 static inline void obd_putref(struct obd_device *obd)
1058 if (OBT(obd) && OBP(obd, putref)) {
1059 OBD_COUNTER_INCREMENT(obd, putref);
1060 OBP(obd, putref)(obd);
1065 static inline int obd_init_export(struct obd_export *exp)
1070 if ((exp)->exp_obd != NULL && OBT((exp)->exp_obd) &&
1071 OBP((exp)->exp_obd, init_export))
1072 rc = OBP(exp->exp_obd, init_export)(exp);
1076 static inline int obd_destroy_export(struct obd_export *exp)
1079 if ((exp)->exp_obd != NULL && OBT((exp)->exp_obd) &&
1080 OBP((exp)->exp_obd, destroy_export))
1081 OBP(exp->exp_obd, destroy_export)(exp);
1085 static inline int obd_extent_calc(struct obd_export *exp,
1086 struct lov_stripe_md *md,
1087 int cmd, obd_off *offset)
1091 EXP_CHECK_DT_OP(exp, extent_calc);
1092 rc = OBP(exp->exp_obd, extent_calc)(exp, md, cmd, offset);
1096 static inline struct dentry *
1097 obd_lvfs_fid2dentry(struct obd_export *exp, __u64 id_ino, __u32 gen, __u64 gr)
1099 LASSERT(exp->exp_obd);
1101 return lvfs_fid2dentry(&exp->exp_obd->obd_lvfs_ctxt, id_ino, gen, gr,
1106 obd_lvfs_open_llog(struct obd_export *exp, __u64 id_ino, struct dentry *dentry)
1108 LASSERT(exp->exp_obd);
1109 CERROR("FIXME what's the story here? This needs to be an obd fn?\n");
1111 return lvfs_open_llog(&exp->exp_obd->obd_lvfs_ctxt, id_ino,
1112 dentry, exp->exp_obd);
1118 #define time_before(t1, t2) ((long)t2 - (long)t1 > 0)
1121 /* @max_age is the oldest time in jiffies that we accept using a cached data.
1122 * If the cache is older than @max_age we will get a new value from the
1123 * target. Use a value of "cfs_time_current() + HZ" to guarantee freshness. */
1124 static inline int obd_statfs_async(struct obd_device *obd,
1125 struct obd_info *oinfo,
1127 struct ptlrpc_request_set *rqset)
1135 OBD_CHECK_DT_OP(obd, statfs, -EOPNOTSUPP);
1136 OBD_COUNTER_INCREMENT(obd, statfs);
1138 CDEBUG(D_SUPER, "%s: osfs %p age "LPU64", max_age "LPU64"\n",
1139 obd->obd_name, &obd->obd_osfs, obd->obd_osfs_age, max_age);
1140 if (cfs_time_before_64(obd->obd_osfs_age, max_age)) {
1141 rc = OBP(obd, statfs_async)(obd, oinfo, max_age, rqset);
1143 CDEBUG(D_SUPER,"%s: use %p cache blocks "LPU64"/"LPU64
1144 " objects "LPU64"/"LPU64"\n",
1145 obd->obd_name, &obd->obd_osfs,
1146 obd->obd_osfs.os_bavail, obd->obd_osfs.os_blocks,
1147 obd->obd_osfs.os_ffree, obd->obd_osfs.os_files);
1148 spin_lock(&obd->obd_osfs_lock);
1149 memcpy(oinfo->oi_osfs, &obd->obd_osfs, sizeof(*oinfo->oi_osfs));
1150 spin_unlock(&obd->obd_osfs_lock);
1151 oinfo->oi_flags |= OBD_STATFS_FROM_CACHE;
1152 if (oinfo->oi_cb_up)
1153 oinfo->oi_cb_up(oinfo, 0);
1158 static inline int obd_statfs_rqset(struct obd_device *obd,
1159 struct obd_statfs *osfs, __u64 max_age,
1162 struct ptlrpc_request_set *set = NULL;
1163 struct obd_info oinfo = { { { 0 } } };
1167 set = ptlrpc_prep_set();
1171 oinfo.oi_osfs = osfs;
1172 oinfo.oi_flags = flags;
1173 rc = obd_statfs_async(obd, &oinfo, max_age, set);
1175 rc = ptlrpc_set_wait(set);
1176 ptlrpc_set_destroy(set);
1180 /* @max_age is the oldest time in jiffies that we accept using a cached data.
1181 * If the cache is older than @max_age we will get a new value from the
1182 * target. Use a value of "cfs_time_current() + HZ" to guarantee freshness. */
1183 static inline int obd_statfs(struct obd_device *obd, struct obd_statfs *osfs,
1184 __u64 max_age, __u32 flags)
1192 OBD_CHECK_DT_OP(obd, statfs, -EOPNOTSUPP);
1193 OBD_COUNTER_INCREMENT(obd, statfs);
1195 CDEBUG(D_SUPER, "osfs "LPU64", max_age "LPU64"\n",
1196 obd->obd_osfs_age, max_age);
1197 if (cfs_time_before_64(obd->obd_osfs_age, max_age)) {
1198 rc = OBP(obd, statfs)(obd, osfs, max_age, flags);
1200 spin_lock(&obd->obd_osfs_lock);
1201 memcpy(&obd->obd_osfs, osfs, sizeof(obd->obd_osfs));
1202 obd->obd_osfs_age = cfs_time_current_64();
1203 spin_unlock(&obd->obd_osfs_lock);
1206 CDEBUG(D_SUPER,"%s: use %p cache blocks "LPU64"/"LPU64
1207 " objects "LPU64"/"LPU64"\n",
1208 obd->obd_name, &obd->obd_osfs,
1209 obd->obd_osfs.os_bavail, obd->obd_osfs.os_blocks,
1210 obd->obd_osfs.os_ffree, obd->obd_osfs.os_files);
1211 spin_lock(&obd->obd_osfs_lock);
1212 memcpy(osfs, &obd->obd_osfs, sizeof(*osfs));
1213 spin_unlock(&obd->obd_osfs_lock);
1218 static inline int obd_sync(struct obd_export *exp, struct obdo *oa,
1219 struct lov_stripe_md *ea, obd_size start,
1220 obd_size end, void *capa)
1225 OBD_CHECK_DT_OP(exp->exp_obd, sync, -EOPNOTSUPP);
1226 EXP_COUNTER_INCREMENT(exp, sync);
1228 rc = OBP(exp->exp_obd, sync)(exp, oa, ea, start, end, capa);
1232 static inline int obd_punch_rqset(struct obd_export *exp,
1233 struct obd_info *oinfo,
1234 struct obd_trans_info *oti)
1236 struct ptlrpc_request_set *set = NULL;
1240 EXP_CHECK_DT_OP(exp, punch);
1241 EXP_COUNTER_INCREMENT(exp, punch);
1243 set = ptlrpc_prep_set();
1247 rc = OBP(exp->exp_obd, punch)(exp, oinfo, oti, set);
1249 rc = ptlrpc_set_wait(set);
1250 ptlrpc_set_destroy(set);
1254 static inline int obd_punch(struct obd_export *exp, struct obd_info *oinfo,
1255 struct obd_trans_info *oti,
1256 struct ptlrpc_request_set *rqset)
1261 EXP_CHECK_DT_OP(exp, punch);
1262 EXP_COUNTER_INCREMENT(exp, punch);
1264 rc = OBP(exp->exp_obd, punch)(exp, oinfo, oti, rqset);
1268 static inline int obd_brw(int cmd, struct obd_export *exp,
1269 struct obd_info *oinfo, obd_count oa_bufs,
1270 struct brw_page *pg, struct obd_trans_info *oti)
1275 EXP_CHECK_DT_OP(exp, brw);
1276 EXP_COUNTER_INCREMENT(exp, brw);
1278 if (!(cmd & (OBD_BRW_RWMASK | OBD_BRW_CHECK))) {
1279 CERROR("obd_brw: cmd must be OBD_BRW_READ, OBD_BRW_WRITE, "
1280 "or OBD_BRW_CHECK\n");
1284 rc = OBP(exp->exp_obd, brw)(cmd, exp, oinfo, oa_bufs, pg, oti);
1288 static inline int obd_preprw(int cmd, struct obd_export *exp, struct obdo *oa,
1289 int objcount, struct obd_ioobj *obj,
1290 struct niobuf_remote *remote, int *pages,
1291 struct niobuf_local *local,
1292 struct obd_trans_info *oti,
1293 struct lustre_capa *capa)
1298 EXP_CHECK_DT_OP(exp, preprw);
1299 EXP_COUNTER_INCREMENT(exp, preprw);
1301 rc = OBP(exp->exp_obd, preprw)(cmd, exp, oa, objcount, obj, remote,
1302 pages, local, oti, capa);
1306 static inline int obd_commitrw(int cmd, struct obd_export *exp, struct obdo *oa,
1307 int objcount, struct obd_ioobj *obj,
1308 struct niobuf_remote *rnb, int pages,
1309 struct niobuf_local *local,
1310 struct obd_trans_info *oti, int rc)
1314 EXP_CHECK_DT_OP(exp, commitrw);
1315 EXP_COUNTER_INCREMENT(exp, commitrw);
1317 rc = OBP(exp->exp_obd, commitrw)(cmd, exp, oa, objcount, obj,
1318 rnb, pages, local, oti, rc);
1322 static inline int obd_merge_lvb(struct obd_export *exp,
1323 struct lov_stripe_md *lsm,
1324 struct ost_lvb *lvb, int kms_only)
1329 EXP_CHECK_DT_OP(exp, merge_lvb);
1330 EXP_COUNTER_INCREMENT(exp, merge_lvb);
1332 rc = OBP(exp->exp_obd, merge_lvb)(exp, lsm, lvb, kms_only);
1336 static inline int obd_adjust_kms(struct obd_export *exp,
1337 struct lov_stripe_md *lsm, obd_off size,
1343 EXP_CHECK_DT_OP(exp, adjust_kms);
1344 EXP_COUNTER_INCREMENT(exp, adjust_kms);
1346 rc = OBP(exp->exp_obd, adjust_kms)(exp, lsm, size, shrink);
1350 static inline int obd_iocontrol(unsigned int cmd, struct obd_export *exp,
1351 int len, void *karg, void *uarg)
1356 EXP_CHECK_DT_OP(exp, iocontrol);
1357 EXP_COUNTER_INCREMENT(exp, iocontrol);
1359 rc = OBP(exp->exp_obd, iocontrol)(cmd, exp, len, karg, uarg);
1363 static inline int obd_enqueue_rqset(struct obd_export *exp,
1364 struct obd_info *oinfo,
1365 struct ldlm_enqueue_info *einfo)
1367 struct ptlrpc_request_set *set = NULL;
1371 EXP_CHECK_DT_OP(exp, enqueue);
1372 EXP_COUNTER_INCREMENT(exp, enqueue);
1374 set = ptlrpc_prep_set();
1378 rc = OBP(exp->exp_obd, enqueue)(exp, oinfo, einfo, set);
1380 rc = ptlrpc_set_wait(set);
1381 ptlrpc_set_destroy(set);
1385 static inline int obd_enqueue(struct obd_export *exp,
1386 struct obd_info *oinfo,
1387 struct ldlm_enqueue_info *einfo,
1388 struct ptlrpc_request_set *set)
1393 EXP_CHECK_DT_OP(exp, enqueue);
1394 EXP_COUNTER_INCREMENT(exp, enqueue);
1396 rc = OBP(exp->exp_obd, enqueue)(exp, oinfo, einfo, set);
1400 static inline int obd_change_cbdata(struct obd_export *exp,
1401 struct lov_stripe_md *lsm,
1402 ldlm_iterator_t it, void *data)
1407 EXP_CHECK_DT_OP(exp, change_cbdata);
1408 EXP_COUNTER_INCREMENT(exp, change_cbdata);
1410 rc = OBP(exp->exp_obd, change_cbdata)(exp, lsm, it, data);
1414 static inline int obd_cancel(struct obd_export *exp,
1415 struct lov_stripe_md *ea, __u32 mode,
1416 struct lustre_handle *lockh)
1421 EXP_CHECK_DT_OP(exp, cancel);
1422 EXP_COUNTER_INCREMENT(exp, cancel);
1424 rc = OBP(exp->exp_obd, cancel)(exp, ea, mode, lockh);
1428 static inline int obd_cancel_unused(struct obd_export *exp,
1429 struct lov_stripe_md *ea,
1430 int flags, void *opaque)
1435 EXP_CHECK_DT_OP(exp, cancel_unused);
1436 EXP_COUNTER_INCREMENT(exp, cancel_unused);
1438 rc = OBP(exp->exp_obd, cancel_unused)(exp, ea, flags, opaque);
1442 static inline int obd_pin(struct obd_export *exp, const struct lu_fid *fid,
1443 struct obd_capa *oc, struct obd_client_handle *handle,
1449 EXP_CHECK_DT_OP(exp, pin);
1450 EXP_COUNTER_INCREMENT(exp, pin);
1452 rc = OBP(exp->exp_obd, pin)(exp, fid, oc, handle, flag);
1456 static inline int obd_unpin(struct obd_export *exp,
1457 struct obd_client_handle *handle, int flag)
1462 EXP_CHECK_DT_OP(exp, unpin);
1463 EXP_COUNTER_INCREMENT(exp, unpin);
1465 rc = OBP(exp->exp_obd, unpin)(exp, handle, flag);
1470 static inline void obd_import_event(struct obd_device *obd,
1471 struct obd_import *imp,
1472 enum obd_import_event event)
1476 CERROR("NULL device\n");
1480 if (obd->obd_set_up && OBP(obd, import_event)) {
1481 OBD_COUNTER_INCREMENT(obd, import_event);
1482 OBP(obd, import_event)(obd, imp, event);
1487 static inline int obd_llog_connect(struct obd_export *exp,
1488 struct llogd_conn_body *body)
1493 OBD_CHECK_DT_OP(exp->exp_obd, llog_connect, 0);
1494 EXP_COUNTER_INCREMENT(exp, llog_connect);
1496 rc = OBP(exp->exp_obd, llog_connect)(exp, body);
1501 static inline int obd_notify(struct obd_device *obd,
1502 struct obd_device *watched,
1503 enum obd_notify_event ev,
1510 /* the check for async_recov is a complete hack - I'm hereby
1511 overloading the meaning to also mean "this was called from
1512 mds_postsetup". I know that my mds is able to handle notifies
1513 by this point, and it needs to get them to execute mds_postrecov. */
1514 if (!obd->obd_set_up && !obd->obd_async_recov) {
1515 CDEBUG(D_HA, "obd %s not set up\n", obd->obd_name);
1519 if (!OBP(obd, notify)) {
1520 CERROR("obd %s has no notify handler\n", obd->obd_name);
1524 OBD_COUNTER_INCREMENT(obd, notify);
1525 rc = OBP(obd, notify)(obd, watched, ev, data);
1529 static inline int obd_notify_observer(struct obd_device *observer,
1530 struct obd_device *observed,
1531 enum obd_notify_event ev,
1537 struct obd_notify_upcall *onu;
1539 if (observer->obd_observer)
1540 rc1 = obd_notify(observer->obd_observer, observed, ev, data);
1544 * Also, call non-obd listener, if any
1546 onu = &observer->obd_upcall;
1547 if (onu->onu_upcall != NULL)
1548 rc2 = onu->onu_upcall(observer, observed, ev,
1549 onu->onu_owner, NULL);
1553 return rc1 ? rc1 : rc2;
1556 static inline int obd_quotacheck(struct obd_export *exp,
1557 struct obd_quotactl *oqctl)
1562 EXP_CHECK_DT_OP(exp, quotacheck);
1563 EXP_COUNTER_INCREMENT(exp, quotacheck);
1565 rc = OBP(exp->exp_obd, quotacheck)(exp->exp_obd, exp, oqctl);
1569 static inline int obd_quotactl(struct obd_export *exp,
1570 struct obd_quotactl *oqctl)
1575 EXP_CHECK_DT_OP(exp, quotactl);
1576 EXP_COUNTER_INCREMENT(exp, quotactl);
1578 rc = OBP(exp->exp_obd, quotactl)(exp->exp_obd, exp, oqctl);
1582 static inline int obd_quota_adjust_qunit(struct obd_export *exp,
1583 struct quota_adjust_qunit *oqaq,
1584 struct lustre_quota_ctxt *qctxt)
1586 #if defined(LPROCFS) && defined(HAVE_QUOTA_SUPPORT)
1587 struct timeval work_start;
1588 struct timeval work_end;
1594 #if defined(LPROCFS) && defined(HAVE_QUOTA_SUPPORT)
1596 do_gettimeofday(&work_start);
1598 EXP_CHECK_DT_OP(exp, quota_adjust_qunit);
1599 EXP_COUNTER_INCREMENT(exp, quota_adjust_qunit);
1601 rc = OBP(exp->exp_obd, quota_adjust_qunit)(exp, oqaq, qctxt);
1603 #if defined(LPROCFS) && defined(HAVE_QUOTA_SUPPORT)
1605 do_gettimeofday(&work_end);
1606 timediff = cfs_timeval_sub(&work_end, &work_start, NULL);
1607 lprocfs_counter_add(qctxt->lqc_stats, LQUOTA_ADJUST_QUNIT,
1614 static inline int obd_health_check(struct obd_device *obd)
1616 /* returns: 0 on healthy
1617 * >0 on unhealthy + reason code/flag
1618 * however the only suppored reason == 1 right now
1619 * We'll need to define some better reasons
1620 * or flags in the future.
1626 /* don't use EXP_CHECK_DT_OP, because NULL method is normal here */
1627 if (obd == NULL || !OBT(obd)) {
1628 CERROR("cleaned up obd\n");
1629 RETURN(-EOPNOTSUPP);
1631 if (!obd->obd_set_up || obd->obd_stopping)
1633 if (!OBP(obd, health_check))
1636 rc = OBP(obd, health_check)(obd);
1640 static inline int obd_register_observer(struct obd_device *obd,
1641 struct obd_device *observer)
1645 if (obd->obd_observer && observer)
1647 obd->obd_observer = observer;
1652 static inline int obd_register_page_removal_cb(struct obd_export *exp,
1653 obd_page_removal_cb_t cb,
1654 obd_pin_extent_cb pin_cb)
1659 OBD_CHECK_DT_OP(exp->exp_obd, register_page_removal_cb, 0);
1660 OBD_COUNTER_INCREMENT(exp->exp_obd, register_page_removal_cb);
1662 rc = OBP(exp->exp_obd, register_page_removal_cb)(exp, cb, pin_cb);
1666 static inline int obd_unregister_page_removal_cb(struct obd_export *exp,
1667 obd_page_removal_cb_t cb)
1672 OBD_CHECK_DT_OP(exp->exp_obd, unregister_page_removal_cb, 0);
1673 OBD_COUNTER_INCREMENT(exp->exp_obd, unregister_page_removal_cb);
1675 rc = OBP(exp->exp_obd, unregister_page_removal_cb)(exp, cb);
1679 static inline int obd_register_lock_cancel_cb(struct obd_export *exp,
1680 obd_lock_cancel_cb cb)
1685 OBD_CHECK_DT_OP(exp->exp_obd, register_lock_cancel_cb, 0);
1686 OBD_COUNTER_INCREMENT(exp->exp_obd, register_lock_cancel_cb);
1688 rc = OBP(exp->exp_obd, register_lock_cancel_cb)(exp, cb);
1692 static inline int obd_unregister_lock_cancel_cb(struct obd_export *exp,
1693 obd_lock_cancel_cb cb)
1698 OBD_CHECK_DT_OP(exp->exp_obd, unregister_lock_cancel_cb, 0);
1699 OBD_COUNTER_INCREMENT(exp->exp_obd, unregister_lock_cancel_cb);
1701 rc = OBP(exp->exp_obd, unregister_lock_cancel_cb)(exp, cb);
1706 /* metadata helpers */
1707 static inline int md_getstatus(struct obd_export *exp,
1708 struct lu_fid *fid, struct obd_capa **pc)
1713 EXP_CHECK_MD_OP(exp, getstatus);
1714 EXP_MD_COUNTER_INCREMENT(exp, getstatus);
1715 rc = MDP(exp->exp_obd, getstatus)(exp, fid, pc);
1719 static inline int md_getattr(struct obd_export *exp, const struct lu_fid *fid,
1720 struct obd_capa *oc, obd_valid valid, int ea_size,
1721 struct ptlrpc_request **request)
1725 EXP_CHECK_MD_OP(exp, getattr);
1726 EXP_MD_COUNTER_INCREMENT(exp, getattr);
1727 rc = MDP(exp->exp_obd, getattr)(exp, fid, oc, valid,
1732 static inline int md_change_cbdata(struct obd_export *exp,
1733 const struct lu_fid *fid,
1734 ldlm_iterator_t it, void *data)
1738 EXP_CHECK_MD_OP(exp, change_cbdata);
1739 EXP_MD_COUNTER_INCREMENT(exp, change_cbdata);
1740 rc = MDP(exp->exp_obd, change_cbdata)(exp, fid, it, data);
1744 static inline int md_close(struct obd_export *exp, struct md_op_data *op_data,
1745 struct md_open_data *mod,
1746 struct ptlrpc_request **request)
1750 EXP_CHECK_MD_OP(exp, close);
1751 EXP_MD_COUNTER_INCREMENT(exp, close);
1752 rc = MDP(exp->exp_obd, close)(exp, op_data, mod, request);
1756 static inline int md_create(struct obd_export *exp, struct md_op_data *op_data,
1757 const void *data, int datalen, int mode, __u32 uid,
1758 __u32 gid, cfs_cap_t cap_effective, __u64 rdev,
1759 struct ptlrpc_request **request)
1763 EXP_CHECK_MD_OP(exp, create);
1764 EXP_MD_COUNTER_INCREMENT(exp, create);
1765 rc = MDP(exp->exp_obd, create)(exp, op_data, data, datalen, mode,
1766 uid, gid, cap_effective, rdev, request);
1770 static inline int md_done_writing(struct obd_export *exp,
1771 struct md_op_data *op_data,
1772 struct md_open_data *mod)
1776 EXP_CHECK_MD_OP(exp, done_writing);
1777 EXP_MD_COUNTER_INCREMENT(exp, done_writing);
1778 rc = MDP(exp->exp_obd, done_writing)(exp, op_data, mod);
1782 static inline int md_enqueue(struct obd_export *exp,
1783 struct ldlm_enqueue_info *einfo,
1784 struct lookup_intent *it,
1785 struct md_op_data *op_data,
1786 struct lustre_handle *lockh,
1787 void *lmm, int lmmsize,
1788 struct ptlrpc_request **req,
1789 int extra_lock_flags)
1793 EXP_CHECK_MD_OP(exp, enqueue);
1794 EXP_MD_COUNTER_INCREMENT(exp, enqueue);
1795 rc = MDP(exp->exp_obd, enqueue)(exp, einfo, it, op_data, lockh,
1796 lmm, lmmsize, req, extra_lock_flags);
1800 static inline int md_getattr_name(struct obd_export *exp,
1801 const struct lu_fid *fid, struct obd_capa *oc,
1802 const char *name, int namelen,
1803 obd_valid valid, int ea_size, __u32 suppgid,
1804 struct ptlrpc_request **request)
1808 EXP_CHECK_MD_OP(exp, getattr_name);
1809 EXP_MD_COUNTER_INCREMENT(exp, getattr_name);
1810 rc = MDP(exp->exp_obd, getattr_name)(exp, fid, oc, name, namelen,
1811 valid, ea_size, suppgid, request);
1815 static inline int md_intent_lock(struct obd_export *exp,
1816 struct md_op_data *op_data, void *lmm,
1817 int lmmsize, struct lookup_intent *it,
1818 int flags, struct ptlrpc_request **reqp,
1819 ldlm_blocking_callback cb_blocking,
1820 int extra_lock_flags)
1824 EXP_CHECK_MD_OP(exp, intent_lock);
1825 EXP_MD_COUNTER_INCREMENT(exp, intent_lock);
1826 rc = MDP(exp->exp_obd, intent_lock)(exp, op_data, lmm, lmmsize,
1827 it, flags, reqp, cb_blocking,
1832 static inline int md_link(struct obd_export *exp, struct md_op_data *op_data,
1833 struct ptlrpc_request **request)
1837 EXP_CHECK_MD_OP(exp, link);
1838 EXP_MD_COUNTER_INCREMENT(exp, link);
1839 rc = MDP(exp->exp_obd, link)(exp, op_data, request);
1843 static inline int md_rename(struct obd_export *exp, struct md_op_data *op_data,
1844 const char *old, int oldlen, const char *new,
1845 int newlen, struct ptlrpc_request **request)
1849 EXP_CHECK_MD_OP(exp, rename);
1850 EXP_MD_COUNTER_INCREMENT(exp, rename);
1851 rc = MDP(exp->exp_obd, rename)(exp, op_data, old, oldlen, new,
1856 static inline int md_is_subdir(struct obd_export *exp,
1857 const struct lu_fid *pfid,
1858 const struct lu_fid *cfid,
1859 struct ptlrpc_request **request)
1863 EXP_CHECK_MD_OP(exp, is_subdir);
1864 EXP_MD_COUNTER_INCREMENT(exp, is_subdir);
1865 rc = MDP(exp->exp_obd, is_subdir)(exp, pfid, cfid, request);
1869 static inline int md_setattr(struct obd_export *exp, struct md_op_data *op_data,
1870 void *ea, int ealen, void *ea2, int ea2len,
1871 struct ptlrpc_request **request,
1872 struct md_open_data **mod)
1876 EXP_CHECK_MD_OP(exp, setattr);
1877 EXP_MD_COUNTER_INCREMENT(exp, setattr);
1878 rc = MDP(exp->exp_obd, setattr)(exp, op_data, ea, ealen,
1879 ea2, ea2len, request, mod);
1883 static inline int md_sync(struct obd_export *exp, const struct lu_fid *fid,
1884 struct obd_capa *oc, struct ptlrpc_request **request)
1888 EXP_CHECK_MD_OP(exp, sync);
1889 EXP_MD_COUNTER_INCREMENT(exp, sync);
1890 rc = MDP(exp->exp_obd, sync)(exp, fid, oc, request);
1894 static inline int md_readpage(struct obd_export *exp, const struct lu_fid *fid,
1895 struct obd_capa *oc, __u64 offset,
1897 struct ptlrpc_request **request)
1901 EXP_CHECK_MD_OP(exp, readpage);
1902 EXP_MD_COUNTER_INCREMENT(exp, readpage);
1903 rc = MDP(exp->exp_obd, readpage)(exp, fid, oc, offset, page, request);
1907 static inline int md_unlink(struct obd_export *exp, struct md_op_data *op_data,
1908 struct ptlrpc_request **request)
1912 EXP_CHECK_MD_OP(exp, unlink);
1913 EXP_MD_COUNTER_INCREMENT(exp, unlink);
1914 rc = MDP(exp->exp_obd, unlink)(exp, op_data, request);
1918 static inline int md_get_lustre_md(struct obd_export *exp,
1919 struct ptlrpc_request *req,
1920 struct obd_export *dt_exp,
1921 struct obd_export *md_exp,
1922 struct lustre_md *md)
1925 EXP_CHECK_MD_OP(exp, get_lustre_md);
1926 EXP_MD_COUNTER_INCREMENT(exp, get_lustre_md);
1927 RETURN(MDP(exp->exp_obd, get_lustre_md)(exp, req, dt_exp, md_exp, md));
1930 static inline int md_free_lustre_md(struct obd_export *exp,
1931 struct lustre_md *md)
1934 EXP_CHECK_MD_OP(exp, free_lustre_md);
1935 EXP_MD_COUNTER_INCREMENT(exp, free_lustre_md);
1936 RETURN(MDP(exp->exp_obd, free_lustre_md)(exp, md));
1939 static inline int md_setxattr(struct obd_export *exp,
1940 const struct lu_fid *fid, struct obd_capa *oc,
1941 obd_valid valid, const char *name,
1942 const char *input, int input_size,
1943 int output_size, int flags, __u32 suppgid,
1944 struct ptlrpc_request **request)
1947 EXP_CHECK_MD_OP(exp, setxattr);
1948 EXP_MD_COUNTER_INCREMENT(exp, setxattr);
1949 RETURN(MDP(exp->exp_obd, setxattr)(exp, fid, oc, valid, name, input,
1950 input_size, output_size, flags,
1954 static inline int md_getxattr(struct obd_export *exp,
1955 const struct lu_fid *fid, struct obd_capa *oc,
1956 obd_valid valid, const char *name,
1957 const char *input, int input_size,
1958 int output_size, int flags,
1959 struct ptlrpc_request **request)
1962 EXP_CHECK_MD_OP(exp, getxattr);
1963 EXP_MD_COUNTER_INCREMENT(exp, getxattr);
1964 RETURN(MDP(exp->exp_obd, getxattr)(exp, fid, oc, valid, name, input,
1965 input_size, output_size, flags,
1969 static inline int md_set_open_replay_data(struct obd_export *exp,
1970 struct obd_client_handle *och,
1971 struct ptlrpc_request *open_req)
1974 EXP_CHECK_MD_OP(exp, set_open_replay_data);
1975 EXP_MD_COUNTER_INCREMENT(exp, set_open_replay_data);
1976 RETURN(MDP(exp->exp_obd, set_open_replay_data)(exp, och, open_req));
1979 static inline int md_clear_open_replay_data(struct obd_export *exp,
1980 struct obd_client_handle *och)
1983 EXP_CHECK_MD_OP(exp, clear_open_replay_data);
1984 EXP_MD_COUNTER_INCREMENT(exp, clear_open_replay_data);
1985 RETURN(MDP(exp->exp_obd, clear_open_replay_data)(exp, och));
1988 static inline int md_set_lock_data(struct obd_export *exp,
1989 __u64 *lockh, void *data, __u32 *bits)
1992 EXP_CHECK_MD_OP(exp, set_lock_data);
1993 EXP_MD_COUNTER_INCREMENT(exp, set_lock_data);
1994 RETURN(MDP(exp->exp_obd, set_lock_data)(exp, lockh, data, bits));
1997 static inline int md_cancel_unused(struct obd_export *exp,
1998 const struct lu_fid *fid,
1999 ldlm_policy_data_t *policy,
2000 ldlm_mode_t mode, int flags, void *opaque)
2005 EXP_CHECK_MD_OP(exp, cancel_unused);
2006 EXP_MD_COUNTER_INCREMENT(exp, cancel_unused);
2008 rc = MDP(exp->exp_obd, cancel_unused)(exp, fid, policy, mode,
2013 static inline ldlm_mode_t md_lock_match(struct obd_export *exp, int flags,
2014 const struct lu_fid *fid,
2016 ldlm_policy_data_t *policy,
2018 struct lustre_handle *lockh)
2021 EXP_CHECK_MD_OP(exp, lock_match);
2022 EXP_MD_COUNTER_INCREMENT(exp, lock_match);
2023 RETURN(MDP(exp->exp_obd, lock_match)(exp, flags, fid, type,
2024 policy, mode, lockh));
2027 static inline int md_init_ea_size(struct obd_export *exp, int easize,
2028 int def_asize, int cookiesize)
2031 EXP_CHECK_MD_OP(exp, init_ea_size);
2032 EXP_MD_COUNTER_INCREMENT(exp, init_ea_size);
2033 RETURN(MDP(exp->exp_obd, init_ea_size)(exp, easize, def_asize,
2037 static inline int md_get_remote_perm(struct obd_export *exp,
2038 const struct lu_fid *fid,
2039 struct obd_capa *oc, __u32 suppgid,
2040 struct ptlrpc_request **request)
2043 EXP_CHECK_MD_OP(exp, get_remote_perm);
2044 EXP_MD_COUNTER_INCREMENT(exp, get_remote_perm);
2045 RETURN(MDP(exp->exp_obd, get_remote_perm)(exp, fid, oc, suppgid,
2049 static inline int md_renew_capa(struct obd_export *exp, struct obd_capa *ocapa,
2054 EXP_CHECK_MD_OP(exp, renew_capa);
2055 EXP_MD_COUNTER_INCREMENT(exp, renew_capa);
2056 rc = MDP(exp->exp_obd, renew_capa)(exp, ocapa, cb);
2060 static inline int md_unpack_capa(struct obd_export *exp,
2061 struct ptlrpc_request *req,
2062 const struct req_msg_field *field,
2063 struct obd_capa **oc)
2067 EXP_CHECK_MD_OP(exp, unpack_capa);
2068 EXP_MD_COUNTER_INCREMENT(exp, unpack_capa);
2069 rc = MDP(exp->exp_obd, unpack_capa)(exp, req, field, oc);
2073 static inline int md_intent_getattr_async(struct obd_export *exp,
2074 struct md_enqueue_info *minfo,
2075 struct ldlm_enqueue_info *einfo)
2079 EXP_CHECK_MD_OP(exp, intent_getattr_async);
2080 EXP_MD_COUNTER_INCREMENT(exp, intent_getattr_async);
2081 rc = MDP(exp->exp_obd, intent_getattr_async)(exp, minfo, einfo);
2085 static inline int md_revalidate_lock(struct obd_export *exp,
2086 struct lookup_intent *it,
2091 EXP_CHECK_MD_OP(exp, revalidate_lock);
2092 EXP_MD_COUNTER_INCREMENT(exp, revalidate_lock);
2093 rc = MDP(exp->exp_obd, revalidate_lock)(exp, it, fid);
2098 /* OBD Metadata Support */
2100 extern int obd_init_caches(void);
2101 extern void obd_cleanup_caches(void);
2103 /* support routines */
2104 extern cfs_mem_cache_t *obdo_cachep;
2106 #define OBDO_ALLOC(ptr) \
2108 OBD_SLAB_ALLOC_PTR((ptr), obdo_cachep); \
2111 #define OBDO_FREE(ptr) \
2113 OBD_SLAB_FREE_PTR((ptr), obdo_cachep); \
2117 static inline void obdo2fid(struct obdo *oa, struct lu_fid *fid)
2119 /* something here */
2122 static inline void fid2obdo(struct lu_fid *fid, struct obdo *oa)
2124 /* something here */
2127 /* I'm as embarrassed about this as you are.
2129 * <shaver> // XXX do not look into _superhack with remaining eye
2130 * <shaver> // XXX if this were any uglier, I'd get my own show on MTV */
2131 extern int (*ptlrpc_put_connection_superhack)(struct ptlrpc_connection *c);
2134 extern void obd_sysctl_init (void);
2135 extern void obd_sysctl_clean (void);
2138 typedef __u8 class_uuid_t[16];
2139 void class_uuid_unparse(class_uuid_t in, struct obd_uuid *out);
2142 int lustre_uuid_to_peer(const char *uuid, lnet_nid_t *peer_nid, int index);
2143 int class_add_uuid(const char *uuid, __u64 nid);
2144 int class_del_uuid (const char *uuid);
2145 void class_init_uuidlist(void);
2146 void class_exit_uuidlist(void);
2149 int mea_name2idx(struct lmv_stripe_md *mea, const char *name, int namelen);
2150 int raw_name2idx(int hashtype, int count, const char *name, int namelen);
2153 void ll_generate_random_uuid(class_uuid_t uuid_out);
2155 #endif /* __LINUX_OBD_CLASS_H */