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 char *obd_export_nid2str(struct obd_export *exp);
95 int obd_export_evict_by_nid(struct obd_device *obd, const char *nid);
96 int obd_export_evict_by_uuid(struct obd_device *obd, const char *uuid);
98 int obd_zombie_impexp_init(void);
99 void obd_zombie_impexp_stop(void);
100 void obd_zombie_impexp_cull(void);
101 void obd_zombie_barrier(void);
104 int class_process_config(struct lustre_cfg *lcfg);
105 int class_process_proc_param(char *prefix, struct lprocfs_vars *lvars,
106 struct lustre_cfg *lcfg, void *data);
107 int class_attach(struct lustre_cfg *lcfg);
108 int class_setup(struct obd_device *obd, struct lustre_cfg *lcfg);
109 int class_cleanup(struct obd_device *obd, struct lustre_cfg *lcfg);
110 int class_detach(struct obd_device *obd, struct lustre_cfg *lcfg);
111 struct obd_device *class_incref(struct obd_device *obd,
112 const char *scope, const void *source);
113 void class_decref(struct obd_device *obd,
114 const char *scope, const void *source);
118 extern void lprocfs_echo_init_vars(struct lprocfs_static_vars *lvars);
120 static inline void lprocfs_echo_init_vars(struct lprocfs_static_vars *lvars)
122 memset(lvars, 0, sizeof(*lvars));
126 #define CFG_F_START 0x01 /* Set when we start updating from a log */
127 #define CFG_F_MARKER 0x02 /* We are within a maker */
128 #define CFG_F_SKIP 0x04 /* We should ignore this cfg command */
129 #define CFG_F_COMPAT146 0x08 /* Allow old-style logs */
130 #define CFG_F_EXCLUDE 0x10 /* OST exclusion list */
132 /* Passed as data param to class_config_parse_llog */
133 struct config_llog_instance {
135 struct super_block *cfg_sb;
136 struct obd_uuid cfg_uuid;
137 int cfg_last_idx; /* for partial llog processing */
140 int class_config_parse_llog(struct llog_ctxt *ctxt, char *name,
141 struct config_llog_instance *cfg);
142 int class_config_dump_llog(struct llog_ctxt *ctxt, char *name,
143 struct config_llog_instance *cfg);
145 /* list of active configuration logs */
146 struct config_llog_data {
148 struct ldlm_res_id cld_resid;
149 struct config_llog_instance cld_cfg;
150 struct list_head cld_list_chain;
151 atomic_t cld_refcount;
152 struct obd_export *cld_mgcexp;
153 unsigned int cld_stopping:1, /* we were told to stop watching */
154 cld_lostlock:1; /* lock not requeued */
157 struct lustre_profile {
158 struct list_head lp_list;
164 struct lustre_profile *class_get_profile(const char * prof);
165 void class_del_profile(const char *prof);
166 void class_del_profiles(void);
168 #define class_export_rpc_get(exp) \
170 atomic_inc(&(exp)->exp_rpc_count); \
171 CDEBUG(D_INFO, "RPC GETting export %p : new rpc_count %d\n", \
172 (exp), atomic_read(&(exp)->exp_rpc_count)); \
173 class_export_get(exp); \
176 #define class_export_rpc_put(exp) \
178 atomic_dec(&(exp)->exp_rpc_count); \
179 CDEBUG(D_INFO, "RPC PUTting export %p : new rpc_count %d\n", \
180 (exp), atomic_read(&(exp)->exp_rpc_count)); \
181 class_export_put(exp); \
185 struct obd_export *class_export_get(struct obd_export *exp);
186 void class_export_put(struct obd_export *exp);
187 struct obd_export *class_new_export(struct obd_device *obddev,
188 struct obd_uuid *cluuid);
189 void class_unlink_export(struct obd_export *exp);
191 struct obd_import *class_import_get(struct obd_import *);
192 void class_import_put(struct obd_import *);
193 struct obd_import *class_new_import(struct obd_device *obd);
194 void class_destroy_import(struct obd_import *exp);
196 struct obd_type *class_search_type(const char *name);
197 struct obd_type *class_get_type(const char *name);
198 void class_put_type(struct obd_type *type);
199 int class_connect(struct lustre_handle *conn, struct obd_device *obd,
200 struct obd_uuid *cluuid);
201 int class_disconnect(struct obd_export *exp);
202 void class_fail_export(struct obd_export *exp);
203 void class_disconnect_exports(struct obd_device *obddev);
204 int class_disconnect_stale_exports(struct obd_device *,
205 int (*test_export)(struct obd_export *));
206 int class_manual_cleanup(struct obd_device *obd);
208 void obdo_cpy_md(struct obdo *dst, struct obdo *src, obd_flag valid);
209 void obdo_to_ioobj(struct obdo *oa, struct obd_ioobj *ioobj);
210 void obdo_from_iattr(struct obdo *oa, struct iattr *attr,
211 unsigned int ia_valid);
212 void iattr_from_obdo(struct iattr *attr, struct obdo *oa, obd_flag valid);
213 void md_from_obdo(struct md_op_data *op_data, struct obdo *oa, obd_flag valid);
214 void obdo_from_md(struct obdo *oa, struct md_op_data *op_data,
217 #define OBT(dev) (dev)->obd_type
218 #define OBP(dev, op) (dev)->obd_type->typ_dt_ops->o_ ## op
219 #define MDP(dev, op) (dev)->obd_type->typ_md_ops->m_ ## op
220 #define CTXTP(ctxt, op) (ctxt)->loc_logops->lop_##op
222 /* Ensure obd_setup: used for cleanup which must be called
223 while obd is stopping */
224 #define OBD_CHECK_DEV(obd) \
227 CERROR("NULL device\n"); \
232 /* ensure obd_setup and !obd_stopping */
233 #define OBD_CHECK_DEV_ACTIVE(obd) \
235 OBD_CHECK_DEV(obd); \
236 if (!(obd)->obd_set_up || (obd)->obd_stopping) { \
237 CERROR("Device %d not setup\n", \
245 #define OBD_COUNTER_OFFSET(op) \
246 ((offsetof(struct obd_ops, o_ ## op) - \
247 offsetof(struct obd_ops, o_iocontrol)) \
248 / sizeof(((struct obd_ops *)(0))->o_iocontrol))
250 #define OBD_COUNTER_INCREMENT(obdx, op) \
251 if ((obdx)->obd_stats != NULL) { \
252 unsigned int coffset; \
253 coffset = (unsigned int)((obdx)->obd_cntr_base) + \
254 OBD_COUNTER_OFFSET(op); \
255 LASSERT(coffset < (obdx)->obd_stats->ls_num); \
256 lprocfs_counter_incr((obdx)->obd_stats, coffset); \
259 #define EXP_COUNTER_INCREMENT(export, op) \
260 if ((export)->exp_obd->obd_stats != NULL) { \
261 unsigned int coffset; \
262 coffset = (unsigned int)((export)->exp_obd->obd_cntr_base) + \
263 OBD_COUNTER_OFFSET(op); \
264 LASSERT(coffset < (export)->exp_obd->obd_stats->ls_num); \
265 lprocfs_counter_incr((export)->exp_obd->obd_stats, coffset); \
266 if ((export)->exp_nid_stats != NULL && \
267 (export)->exp_nid_stats->nid_stats != NULL) \
268 lprocfs_counter_incr( \
269 (export)->exp_nid_stats->nid_stats, coffset);\
272 #define MD_COUNTER_OFFSET(op) \
273 ((offsetof(struct md_ops, m_ ## op) - \
274 offsetof(struct md_ops, m_getstatus)) \
275 / sizeof(((struct md_ops *)(0))->m_getstatus))
277 #define MD_COUNTER_INCREMENT(obdx, op) \
278 if ((obd)->md_stats != NULL) { \
279 unsigned int coffset; \
280 coffset = (unsigned int)((obdx)->md_cntr_base) + \
281 MD_COUNTER_OFFSET(op); \
282 LASSERT(coffset < (obdx)->md_stats->ls_num); \
283 lprocfs_counter_incr((obdx)->md_stats, coffset); \
286 #define EXP_MD_COUNTER_INCREMENT(export, op) \
287 if ((export)->exp_obd->obd_stats != NULL) { \
288 unsigned int coffset; \
289 coffset = (unsigned int)((export)->exp_obd->md_cntr_base) + \
290 MD_COUNTER_OFFSET(op); \
291 LASSERT(coffset < (export)->exp_obd->md_stats->ls_num); \
292 lprocfs_counter_incr((export)->exp_obd->md_stats, coffset); \
293 if ((export)->exp_md_stats != NULL) \
294 lprocfs_counter_incr( \
295 (export)->exp_md_stats, coffset); \
299 #define OBD_COUNTER_OFFSET(op)
300 #define OBD_COUNTER_INCREMENT(obd, op)
301 #define EXP_COUNTER_INCREMENT(exp, op)
302 #define MD_COUNTER_INCREMENT(obd, op)
303 #define EXP_MD_COUNTER_INCREMENT(exp, op)
306 #define OBD_CHECK_MD_OP(obd, op, err) \
308 if (!OBT(obd) || !MDP((obd), op)) { \
310 CERROR("md_" #op ": dev %s/%d no operation\n", \
311 obd->obd_name, obd->obd_minor); \
316 #define EXP_CHECK_MD_OP(exp, op) \
318 if ((exp) == NULL) { \
319 CERROR("obd_" #op ": NULL export\n"); \
322 if ((exp)->exp_obd == NULL || !OBT((exp)->exp_obd)) { \
323 CERROR("obd_" #op ": cleaned up obd\n"); \
324 RETURN(-EOPNOTSUPP); \
326 if (!OBT((exp)->exp_obd) || !MDP((exp)->exp_obd, op)) { \
327 CERROR("obd_" #op ": dev %s/%d no operation\n", \
328 (exp)->exp_obd->obd_name, \
329 (exp)->exp_obd->obd_minor); \
330 RETURN(-EOPNOTSUPP); \
335 #define OBD_CHECK_DT_OP(obd, op, err) \
337 if (!OBT(obd) || !OBP((obd), op)) { \
339 CERROR("obd_" #op ": dev %d no operation\n", \
345 #define EXP_CHECK_DT_OP(exp, op) \
347 if ((exp) == NULL) { \
348 CERROR("obd_" #op ": NULL export\n"); \
351 if ((exp)->exp_obd == NULL || !OBT((exp)->exp_obd)) { \
352 CERROR("obd_" #op ": cleaned up obd\n"); \
353 RETURN(-EOPNOTSUPP); \
355 if (!OBT((exp)->exp_obd) || !OBP((exp)->exp_obd, op)) { \
356 CERROR("obd_" #op ": dev %d no operation\n", \
357 (exp)->exp_obd->obd_minor); \
358 RETURN(-EOPNOTSUPP); \
362 #define CTXT_CHECK_OP(ctxt, op, err) \
364 if (!OBT(ctxt->loc_obd) || !CTXTP((ctxt), op)) { \
366 CERROR("lop_" #op ": dev %d no operation\n", \
367 ctxt->loc_obd->obd_minor); \
372 static inline int class_devno_max(void)
374 return MAX_OBD_DEVICES;
377 static inline int obd_get_info(struct obd_export *exp, __u32 keylen,
378 void *key, __u32 *vallen, void *val,
379 struct lov_stripe_md *lsm)
384 EXP_CHECK_DT_OP(exp, get_info);
385 EXP_COUNTER_INCREMENT(exp, get_info);
387 rc = OBP(exp->exp_obd, get_info)(exp, keylen, key, vallen, val, lsm);
391 static inline int obd_set_info_async(struct obd_export *exp, obd_count keylen,
392 void *key, obd_count vallen, void *val,
393 struct ptlrpc_request_set *set)
398 EXP_CHECK_DT_OP(exp, set_info_async);
399 EXP_COUNTER_INCREMENT(exp, set_info_async);
401 rc = OBP(exp->exp_obd, set_info_async)(exp, keylen, key, vallen, val,
407 * obd-lu integration.
409 * Functionality is being moved into new lu_device-based layering, but some
410 * pieces of configuration process are still based on obd devices.
412 * Specifically, lu_device_type_operations::ldto_device_alloc() methods fully
413 * subsume ->o_setup() methods of obd devices they replace. The same for
414 * lu_device_operations::ldo_process_config() and ->o_process_config(). As a
415 * result, obd_setup() and obd_process_config() branch and call one XOR
418 * Yet neither lu_device_type_operations::ldto_device_fini() nor
419 * lu_device_type_operations::ldto_device_free() fully implement the
420 * functionality of ->o_precleanup() and ->o_cleanup() they override. Hence,
421 * obd_precleanup() and obd_cleanup() call both lu_device and obd operations.
424 #define DECLARE_LU_VARS(ldt, d) \
425 struct lu_device_type *ldt; \
428 static inline int obd_setup(struct obd_device *obd, struct lustre_cfg *cfg)
431 DECLARE_LU_VARS(ldt, d);
434 ldt = obd->obd_type->typ_lu;
436 struct lu_context session_ctx;
438 lu_context_init(&session_ctx, LCT_SESSION);
439 session_ctx.lc_thread = NULL;
440 lu_context_enter(&session_ctx);
442 rc = lu_env_init(&env, ldt->ldt_ctx_tags);
444 env.le_ses = &session_ctx;
445 d = ldt->ldt_ops->ldto_device_alloc(&env, ldt, cfg);
454 lu_context_exit(&session_ctx);
455 lu_context_fini(&session_ctx);
458 OBD_CHECK_DT_OP(obd, setup, -EOPNOTSUPP);
459 OBD_COUNTER_INCREMENT(obd, setup);
460 rc = OBP(obd, setup)(obd, cfg);
465 static inline int obd_precleanup(struct obd_device *obd,
466 enum obd_cleanup_stage cleanup_stage)
469 DECLARE_LU_VARS(ldt, d);
473 ldt = obd->obd_type->typ_lu;
475 if (ldt != NULL && d != NULL) {
476 if (cleanup_stage == OBD_CLEANUP_EXPORTS) {
479 rc = lu_env_init(&env, ldt->ldt_ctx_tags);
481 ldt->ldt_ops->ldto_device_fini(&env, d);
486 OBD_CHECK_DT_OP(obd, precleanup, 0);
487 OBD_COUNTER_INCREMENT(obd, precleanup);
489 rc = OBP(obd, precleanup)(obd, cleanup_stage);
493 static inline int obd_cleanup(struct obd_device *obd)
496 DECLARE_LU_VARS(ldt, d);
501 ldt = obd->obd_type->typ_lu;
503 if (ldt != NULL && d != NULL) {
506 rc = lu_env_init(&env, ldt->ldt_ctx_tags);
508 ldt->ldt_ops->ldto_device_free(&env, d);
510 obd->obd_lu_dev = NULL;
513 OBD_CHECK_DT_OP(obd, cleanup, 0);
514 OBD_COUNTER_INCREMENT(obd, cleanup);
516 rc = OBP(obd, cleanup)(obd);
521 obd_process_config(struct obd_device *obd, int datalen, void *data)
524 DECLARE_LU_VARS(ldt, d);
529 ldt = obd->obd_type->typ_lu;
531 if (ldt != NULL && d != NULL) {
534 rc = lu_env_init(&env, ldt->ldt_ctx_tags);
536 rc = d->ld_ops->ldo_process_config(&env, d, data);
540 OBD_CHECK_DT_OP(obd, process_config, -EOPNOTSUPP);
541 rc = OBP(obd, process_config)(obd, datalen, data);
543 OBD_COUNTER_INCREMENT(obd, process_config);
548 /* Pack an in-memory MD struct for storage on disk.
549 * Returns +ve size of packed MD (0 for free), or -ve error.
551 * If @disk_tgt == NULL, MD size is returned (max size if @mem_src == NULL).
552 * If @*disk_tgt != NULL and @mem_src == NULL, @*disk_tgt will be freed.
553 * If @*disk_tgt == NULL, it will be allocated
555 static inline int obd_packmd(struct obd_export *exp,
556 struct lov_mds_md **disk_tgt,
557 struct lov_stripe_md *mem_src)
562 EXP_CHECK_DT_OP(exp, packmd);
563 EXP_COUNTER_INCREMENT(exp, packmd);
565 rc = OBP(exp->exp_obd, packmd)(exp, disk_tgt, mem_src);
569 static inline int obd_size_diskmd(struct obd_export *exp,
570 struct lov_stripe_md *mem_src)
572 return obd_packmd(exp, NULL, mem_src);
575 /* helper functions */
576 static inline int obd_alloc_diskmd(struct obd_export *exp,
577 struct lov_mds_md **disk_tgt)
580 LASSERT(*disk_tgt == NULL);
581 return obd_packmd(exp, disk_tgt, NULL);
584 static inline int obd_free_diskmd(struct obd_export *exp,
585 struct lov_mds_md **disk_tgt)
589 return obd_packmd(exp, disk_tgt, NULL);
592 /* Unpack an MD struct from disk to in-memory format.
593 * Returns +ve size of unpacked MD (0 for free), or -ve error.
595 * If @mem_tgt == NULL, MD size is returned (max size if @disk_src == NULL).
596 * If @*mem_tgt != NULL and @disk_src == NULL, @*mem_tgt will be freed.
597 * If @*mem_tgt == NULL, it will be allocated
599 static inline int obd_unpackmd(struct obd_export *exp,
600 struct lov_stripe_md **mem_tgt,
601 struct lov_mds_md *disk_src,
607 EXP_CHECK_DT_OP(exp, unpackmd);
608 EXP_COUNTER_INCREMENT(exp, unpackmd);
610 rc = OBP(exp->exp_obd, unpackmd)(exp, mem_tgt, disk_src, disk_len);
614 /* helper functions */
615 static inline int obd_alloc_memmd(struct obd_export *exp,
616 struct lov_stripe_md **mem_tgt)
619 LASSERT(*mem_tgt == NULL);
620 return obd_unpackmd(exp, mem_tgt, NULL, 0);
623 static inline int obd_free_memmd(struct obd_export *exp,
624 struct lov_stripe_md **mem_tgt)
630 rc = obd_unpackmd(exp, mem_tgt, NULL, 0);
635 static inline int obd_checkmd(struct obd_export *exp,
636 struct obd_export *md_exp,
637 struct lov_stripe_md *mem_tgt)
642 EXP_CHECK_DT_OP(exp, checkmd);
643 EXP_COUNTER_INCREMENT(exp, checkmd);
645 rc = OBP(exp->exp_obd, checkmd)(exp, md_exp, mem_tgt);
649 static inline int obd_precreate(struct obd_export *exp)
654 EXP_CHECK_DT_OP(exp, precreate);
655 OBD_COUNTER_INCREMENT(exp->exp_obd, precreate);
657 rc = OBP(exp->exp_obd, precreate)(exp);
661 static inline int obd_create(struct obd_export *exp, struct obdo *obdo,
662 struct lov_stripe_md **ea,
663 struct obd_trans_info *oti)
668 EXP_CHECK_DT_OP(exp, create);
669 EXP_COUNTER_INCREMENT(exp, create);
671 rc = OBP(exp->exp_obd, create)(exp, obdo, ea, oti);
675 static inline int obd_destroy(struct obd_export *exp, struct obdo *obdo,
676 struct lov_stripe_md *ea,
677 struct obd_trans_info *oti,
678 struct obd_export *md_exp, void *capa)
683 EXP_CHECK_DT_OP(exp, destroy);
684 EXP_COUNTER_INCREMENT(exp, destroy);
686 rc = OBP(exp->exp_obd, destroy)(exp, obdo, ea, oti, md_exp, capa);
690 static inline int obd_getattr(struct obd_export *exp, struct obd_info *oinfo)
695 EXP_CHECK_DT_OP(exp, getattr);
696 EXP_COUNTER_INCREMENT(exp, getattr);
698 rc = OBP(exp->exp_obd, getattr)(exp, oinfo);
702 static inline int obd_getattr_async(struct obd_export *exp,
703 struct obd_info *oinfo,
704 struct ptlrpc_request_set *set)
709 EXP_CHECK_DT_OP(exp, getattr_async);
710 EXP_COUNTER_INCREMENT(exp, getattr_async);
712 rc = OBP(exp->exp_obd, getattr_async)(exp, oinfo, set);
716 static inline int obd_setattr(struct obd_export *exp, struct obd_info *oinfo,
717 struct obd_trans_info *oti)
722 EXP_CHECK_DT_OP(exp, setattr);
723 EXP_COUNTER_INCREMENT(exp, setattr);
725 rc = OBP(exp->exp_obd, setattr)(exp, oinfo, oti);
729 /* This performs all the requests set init/wait/destroy actions. */
730 static inline int obd_setattr_rqset(struct obd_export *exp,
731 struct obd_info *oinfo,
732 struct obd_trans_info *oti)
734 struct ptlrpc_request_set *set = NULL;
738 EXP_CHECK_DT_OP(exp, setattr_async);
739 EXP_COUNTER_INCREMENT(exp, setattr_async);
741 set = ptlrpc_prep_set();
745 rc = OBP(exp->exp_obd, setattr_async)(exp, oinfo, oti, set);
747 rc = ptlrpc_set_wait(set);
748 ptlrpc_set_destroy(set);
752 /* This adds all the requests into @set if @set != NULL, otherwise
753 all requests are sent asynchronously without waiting for response. */
754 static inline int obd_setattr_async(struct obd_export *exp,
755 struct obd_info *oinfo,
756 struct obd_trans_info *oti,
757 struct ptlrpc_request_set *set)
762 EXP_CHECK_DT_OP(exp, setattr_async);
763 EXP_COUNTER_INCREMENT(exp, setattr_async);
765 rc = OBP(exp->exp_obd, setattr_async)(exp, oinfo, oti, set);
769 static inline int obd_add_conn(struct obd_import *imp, struct obd_uuid *uuid,
772 struct obd_device *obd = imp->imp_obd;
776 OBD_CHECK_DEV_ACTIVE(obd);
777 OBD_CHECK_DT_OP(obd, add_conn, -EOPNOTSUPP);
778 OBD_COUNTER_INCREMENT(obd, add_conn);
780 rc = OBP(obd, add_conn)(imp, uuid, priority);
784 static inline int obd_del_conn(struct obd_import *imp, struct obd_uuid *uuid)
786 struct obd_device *obd = imp->imp_obd;
790 OBD_CHECK_DEV_ACTIVE(obd);
791 OBD_CHECK_DT_OP(obd, del_conn, -EOPNOTSUPP);
792 OBD_COUNTER_INCREMENT(obd, del_conn);
794 rc = OBP(obd, del_conn)(imp, uuid);
798 static inline struct obd_uuid *obd_get_uuid(struct obd_export *exp)
800 struct obd_uuid *uuid;
803 OBD_CHECK_DT_OP(exp->exp_obd, get_uuid, NULL);
804 EXP_COUNTER_INCREMENT(exp, get_uuid);
806 uuid = OBP(exp->exp_obd, get_uuid)(exp);
810 static inline int obd_connect(const struct lu_env *env,
811 struct lustre_handle *conn,struct obd_device *obd,
812 struct obd_uuid *cluuid,
813 struct obd_connect_data *d,
817 __u64 ocf = d ? d->ocd_connect_flags : 0; /* for post-condition
821 OBD_CHECK_DEV_ACTIVE(obd);
822 OBD_CHECK_DT_OP(obd, connect, -EOPNOTSUPP);
823 OBD_COUNTER_INCREMENT(obd, connect);
825 rc = OBP(obd, connect)(env, conn, obd, cluuid, d, localdata);
826 /* check that only subset is granted */
827 LASSERT(ergo(d != NULL,
828 (d->ocd_connect_flags & ocf) == d->ocd_connect_flags));
832 static inline int obd_reconnect(const struct lu_env *env,
833 struct obd_export *exp,
834 struct obd_device *obd,
835 struct obd_uuid *cluuid,
836 struct obd_connect_data *d,
840 __u64 ocf = d ? d->ocd_connect_flags : 0; /* for post-condition
845 OBD_CHECK_DEV_ACTIVE(obd);
846 OBD_CHECK_DT_OP(obd, reconnect, 0);
847 OBD_COUNTER_INCREMENT(obd, reconnect);
849 rc = OBP(obd, reconnect)(env, exp, obd, cluuid, d, localdata);
850 /* check that only subset is granted */
851 LASSERT(ergo(d != NULL,
852 (d->ocd_connect_flags & ocf) == d->ocd_connect_flags));
856 static inline int obd_disconnect(struct obd_export *exp)
861 EXP_CHECK_DT_OP(exp, disconnect);
862 EXP_COUNTER_INCREMENT(exp, disconnect);
864 rc = OBP(exp->exp_obd, disconnect)(exp);
868 static inline int obd_fid_init(struct obd_export *exp)
873 OBD_CHECK_DT_OP(exp->exp_obd, fid_init, 0);
874 EXP_COUNTER_INCREMENT(exp, fid_init);
876 rc = OBP(exp->exp_obd, fid_init)(exp);
880 static inline int obd_fid_fini(struct obd_export *exp)
885 OBD_CHECK_DT_OP(exp->exp_obd, fid_fini, 0);
886 EXP_COUNTER_INCREMENT(exp, fid_fini);
888 rc = OBP(exp->exp_obd, fid_fini)(exp);
892 static inline int obd_fid_alloc(struct obd_export *exp,
894 struct md_op_data *op_data)
899 EXP_CHECK_DT_OP(exp, fid_alloc);
900 EXP_COUNTER_INCREMENT(exp, fid_alloc);
902 rc = OBP(exp->exp_obd, fid_alloc)(exp, fid, op_data);
906 static inline int obd_fid_delete(struct obd_export *exp,
907 const struct lu_fid *fid)
912 EXP_CHECK_DT_OP(exp, fid_delete);
913 EXP_COUNTER_INCREMENT(exp, fid_delete);
915 rc = OBP(exp->exp_obd, fid_delete)(exp, fid);
919 static inline int obd_ping(struct obd_export *exp)
924 OBD_CHECK_DT_OP(exp->exp_obd, ping, 0);
925 EXP_COUNTER_INCREMENT(exp, ping);
927 rc = OBP(exp->exp_obd, ping)(exp);
931 static inline int obd_pool_new(struct obd_device *obd, char *poolname)
936 OBD_CHECK_DT_OP(obd, pool_new, -EOPNOTSUPP);
937 OBD_COUNTER_INCREMENT(obd, pool_new);
939 rc = OBP(obd, pool_new)(obd, poolname);
943 static inline int obd_pool_del(struct obd_device *obd, char *poolname)
948 OBD_CHECK_DT_OP(obd, pool_del, -EOPNOTSUPP);
949 OBD_COUNTER_INCREMENT(obd, pool_del);
951 rc = OBP(obd, pool_del)(obd, poolname);
955 static inline int obd_pool_add(struct obd_device *obd, char *poolname, char *ostname)
960 OBD_CHECK_DT_OP(obd, pool_add, -EOPNOTSUPP);
961 OBD_COUNTER_INCREMENT(obd, pool_add);
963 rc = OBP(obd, pool_add)(obd, poolname, ostname);
967 static inline int obd_pool_rem(struct obd_device *obd, char *poolname, char *ostname)
972 OBD_CHECK_DT_OP(obd, pool_rem, -EOPNOTSUPP);
973 OBD_COUNTER_INCREMENT(obd, pool_rem);
975 rc = OBP(obd, pool_rem)(obd, poolname, ostname);
979 static inline int obd_init_export(struct obd_export *exp)
984 if ((exp)->exp_obd != NULL && OBT((exp)->exp_obd) &&
985 OBP((exp)->exp_obd, init_export))
986 rc = OBP(exp->exp_obd, init_export)(exp);
990 static inline int obd_destroy_export(struct obd_export *exp)
993 if ((exp)->exp_obd != NULL && OBT((exp)->exp_obd) &&
994 OBP((exp)->exp_obd, destroy_export))
995 OBP(exp->exp_obd, destroy_export)(exp);
999 static inline int obd_extent_calc(struct obd_export *exp,
1000 struct lov_stripe_md *md,
1001 int cmd, obd_off *offset)
1005 EXP_CHECK_DT_OP(exp, extent_calc);
1006 rc = OBP(exp->exp_obd, extent_calc)(exp, md, cmd, offset);
1010 static inline struct dentry *
1011 obd_lvfs_fid2dentry(struct obd_export *exp, __u64 id_ino, __u32 gen, __u64 gr)
1013 LASSERT(exp->exp_obd);
1015 return lvfs_fid2dentry(&exp->exp_obd->obd_lvfs_ctxt, id_ino, gen, gr,
1020 obd_lvfs_open_llog(struct obd_export *exp, __u64 id_ino, struct dentry *dentry)
1022 LASSERT(exp->exp_obd);
1023 CERROR("FIXME what's the story here? This needs to be an obd fn?\n");
1025 return lvfs_open_llog(&exp->exp_obd->obd_lvfs_ctxt, id_ino,
1026 dentry, exp->exp_obd);
1032 #define time_before(t1, t2) ((long)t2 - (long)t1 > 0)
1035 /* @max_age is the oldest time in jiffies that we accept using a cached data.
1036 * If the cache is older than @max_age we will get a new value from the
1037 * target. Use a value of "cfs_time_current() + HZ" to guarantee freshness. */
1038 static inline int obd_statfs_async(struct obd_device *obd,
1039 struct obd_info *oinfo,
1041 struct ptlrpc_request_set *rqset)
1049 OBD_CHECK_DT_OP(obd, statfs, -EOPNOTSUPP);
1050 OBD_COUNTER_INCREMENT(obd, statfs);
1052 CDEBUG(D_SUPER, "%s: osfs %p age "LPU64", max_age "LPU64"\n",
1053 obd->obd_name, &obd->obd_osfs, obd->obd_osfs_age, max_age);
1054 if (cfs_time_before_64(obd->obd_osfs_age, max_age)) {
1055 rc = OBP(obd, statfs_async)(obd, oinfo, max_age, rqset);
1057 CDEBUG(D_SUPER,"%s: use %p cache blocks "LPU64"/"LPU64
1058 " objects "LPU64"/"LPU64"\n",
1059 obd->obd_name, &obd->obd_osfs,
1060 obd->obd_osfs.os_bavail, obd->obd_osfs.os_blocks,
1061 obd->obd_osfs.os_ffree, obd->obd_osfs.os_files);
1062 spin_lock(&obd->obd_osfs_lock);
1063 memcpy(oinfo->oi_osfs, &obd->obd_osfs, sizeof(*oinfo->oi_osfs));
1064 spin_unlock(&obd->obd_osfs_lock);
1065 oinfo->oi_flags |= OBD_STATFS_FROM_CACHE;
1066 if (oinfo->oi_cb_up)
1067 oinfo->oi_cb_up(oinfo, 0);
1072 static inline int obd_statfs_rqset(struct obd_device *obd,
1073 struct obd_statfs *osfs, __u64 max_age,
1076 struct ptlrpc_request_set *set = NULL;
1077 struct obd_info oinfo = { { { 0 } } };
1081 set = ptlrpc_prep_set();
1085 oinfo.oi_osfs = osfs;
1086 oinfo.oi_flags = flags;
1087 rc = obd_statfs_async(obd, &oinfo, max_age, set);
1089 rc = ptlrpc_set_wait(set);
1090 ptlrpc_set_destroy(set);
1094 /* @max_age is the oldest time in jiffies that we accept using a cached data.
1095 * If the cache is older than @max_age we will get a new value from the
1096 * target. Use a value of "cfs_time_current() + HZ" to guarantee freshness. */
1097 static inline int obd_statfs(struct obd_device *obd, struct obd_statfs *osfs,
1098 __u64 max_age, __u32 flags)
1106 OBD_CHECK_DT_OP(obd, statfs, -EOPNOTSUPP);
1107 OBD_COUNTER_INCREMENT(obd, statfs);
1109 CDEBUG(D_SUPER, "osfs "LPU64", max_age "LPU64"\n",
1110 obd->obd_osfs_age, max_age);
1111 if (cfs_time_before_64(obd->obd_osfs_age, max_age)) {
1112 rc = OBP(obd, statfs)(obd, osfs, max_age, flags);
1114 spin_lock(&obd->obd_osfs_lock);
1115 memcpy(&obd->obd_osfs, osfs, sizeof(obd->obd_osfs));
1116 obd->obd_osfs_age = cfs_time_current_64();
1117 spin_unlock(&obd->obd_osfs_lock);
1120 CDEBUG(D_SUPER,"%s: use %p cache blocks "LPU64"/"LPU64
1121 " objects "LPU64"/"LPU64"\n",
1122 obd->obd_name, &obd->obd_osfs,
1123 obd->obd_osfs.os_bavail, obd->obd_osfs.os_blocks,
1124 obd->obd_osfs.os_ffree, obd->obd_osfs.os_files);
1125 spin_lock(&obd->obd_osfs_lock);
1126 memcpy(osfs, &obd->obd_osfs, sizeof(*osfs));
1127 spin_unlock(&obd->obd_osfs_lock);
1132 static inline int obd_sync(struct obd_export *exp, struct obdo *oa,
1133 struct lov_stripe_md *ea, obd_size start,
1134 obd_size end, void *capa)
1139 OBD_CHECK_DT_OP(exp->exp_obd, sync, -EOPNOTSUPP);
1140 EXP_COUNTER_INCREMENT(exp, sync);
1142 rc = OBP(exp->exp_obd, sync)(exp, oa, ea, start, end, capa);
1146 static inline int obd_punch_rqset(struct obd_export *exp,
1147 struct obd_info *oinfo,
1148 struct obd_trans_info *oti)
1150 struct ptlrpc_request_set *set = NULL;
1154 EXP_CHECK_DT_OP(exp, punch);
1155 EXP_COUNTER_INCREMENT(exp, punch);
1157 set = ptlrpc_prep_set();
1161 rc = OBP(exp->exp_obd, punch)(exp, oinfo, oti, set);
1163 rc = ptlrpc_set_wait(set);
1164 ptlrpc_set_destroy(set);
1168 static inline int obd_punch(struct obd_export *exp, struct obd_info *oinfo,
1169 struct obd_trans_info *oti,
1170 struct ptlrpc_request_set *rqset)
1175 EXP_CHECK_DT_OP(exp, punch);
1176 EXP_COUNTER_INCREMENT(exp, punch);
1178 rc = OBP(exp->exp_obd, punch)(exp, oinfo, oti, rqset);
1182 static inline int obd_brw(int cmd, struct obd_export *exp,
1183 struct obd_info *oinfo, obd_count oa_bufs,
1184 struct brw_page *pg, struct obd_trans_info *oti)
1189 EXP_CHECK_DT_OP(exp, brw);
1190 EXP_COUNTER_INCREMENT(exp, brw);
1192 if (!(cmd & (OBD_BRW_RWMASK | OBD_BRW_CHECK))) {
1193 CERROR("obd_brw: cmd must be OBD_BRW_READ, OBD_BRW_WRITE, "
1194 "or OBD_BRW_CHECK\n");
1198 rc = OBP(exp->exp_obd, brw)(cmd, exp, oinfo, oa_bufs, pg, oti);
1202 static inline int obd_preprw(int cmd, struct obd_export *exp, struct obdo *oa,
1203 int objcount, struct obd_ioobj *obj,
1204 struct niobuf_remote *remote, int *pages,
1205 struct niobuf_local *local,
1206 struct obd_trans_info *oti,
1207 struct lustre_capa *capa)
1212 EXP_CHECK_DT_OP(exp, preprw);
1213 EXP_COUNTER_INCREMENT(exp, preprw);
1215 rc = OBP(exp->exp_obd, preprw)(cmd, exp, oa, objcount, obj, remote,
1216 pages, local, oti, capa);
1220 static inline int obd_commitrw(int cmd, struct obd_export *exp, struct obdo *oa,
1221 int objcount, struct obd_ioobj *obj,
1222 struct niobuf_remote *rnb, int pages,
1223 struct niobuf_local *local,
1224 struct obd_trans_info *oti, int rc)
1228 EXP_CHECK_DT_OP(exp, commitrw);
1229 EXP_COUNTER_INCREMENT(exp, commitrw);
1231 rc = OBP(exp->exp_obd, commitrw)(cmd, exp, oa, objcount, obj,
1232 rnb, pages, local, oti, rc);
1236 static inline int obd_merge_lvb(struct obd_export *exp,
1237 struct lov_stripe_md *lsm,
1238 struct ost_lvb *lvb, int kms_only)
1243 EXP_CHECK_DT_OP(exp, merge_lvb);
1244 EXP_COUNTER_INCREMENT(exp, merge_lvb);
1246 rc = OBP(exp->exp_obd, merge_lvb)(exp, lsm, lvb, kms_only);
1250 static inline int obd_adjust_kms(struct obd_export *exp,
1251 struct lov_stripe_md *lsm, obd_off size,
1257 EXP_CHECK_DT_OP(exp, adjust_kms);
1258 EXP_COUNTER_INCREMENT(exp, adjust_kms);
1260 rc = OBP(exp->exp_obd, adjust_kms)(exp, lsm, size, shrink);
1264 static inline int obd_iocontrol(unsigned int cmd, struct obd_export *exp,
1265 int len, void *karg, void *uarg)
1270 EXP_CHECK_DT_OP(exp, iocontrol);
1271 EXP_COUNTER_INCREMENT(exp, iocontrol);
1273 rc = OBP(exp->exp_obd, iocontrol)(cmd, exp, len, karg, uarg);
1277 static inline int obd_enqueue_rqset(struct obd_export *exp,
1278 struct obd_info *oinfo,
1279 struct ldlm_enqueue_info *einfo)
1281 struct ptlrpc_request_set *set = NULL;
1285 EXP_CHECK_DT_OP(exp, enqueue);
1286 EXP_COUNTER_INCREMENT(exp, enqueue);
1288 set = ptlrpc_prep_set();
1292 rc = OBP(exp->exp_obd, enqueue)(exp, oinfo, einfo, set);
1294 rc = ptlrpc_set_wait(set);
1295 ptlrpc_set_destroy(set);
1299 static inline int obd_enqueue(struct obd_export *exp,
1300 struct obd_info *oinfo,
1301 struct ldlm_enqueue_info *einfo,
1302 struct ptlrpc_request_set *set)
1307 EXP_CHECK_DT_OP(exp, enqueue);
1308 EXP_COUNTER_INCREMENT(exp, enqueue);
1310 rc = OBP(exp->exp_obd, enqueue)(exp, oinfo, einfo, set);
1314 static inline int obd_change_cbdata(struct obd_export *exp,
1315 struct lov_stripe_md *lsm,
1316 ldlm_iterator_t it, void *data)
1321 EXP_CHECK_DT_OP(exp, change_cbdata);
1322 EXP_COUNTER_INCREMENT(exp, change_cbdata);
1324 rc = OBP(exp->exp_obd, change_cbdata)(exp, lsm, it, data);
1328 static inline int obd_cancel(struct obd_export *exp,
1329 struct lov_stripe_md *ea, __u32 mode,
1330 struct lustre_handle *lockh)
1335 EXP_CHECK_DT_OP(exp, cancel);
1336 EXP_COUNTER_INCREMENT(exp, cancel);
1338 rc = OBP(exp->exp_obd, cancel)(exp, ea, mode, lockh);
1342 static inline int obd_cancel_unused(struct obd_export *exp,
1343 struct lov_stripe_md *ea,
1344 int flags, void *opaque)
1349 EXP_CHECK_DT_OP(exp, cancel_unused);
1350 EXP_COUNTER_INCREMENT(exp, cancel_unused);
1352 rc = OBP(exp->exp_obd, cancel_unused)(exp, ea, flags, opaque);
1356 static inline int obd_pin(struct obd_export *exp, const struct lu_fid *fid,
1357 struct obd_capa *oc, struct obd_client_handle *handle,
1363 EXP_CHECK_DT_OP(exp, pin);
1364 EXP_COUNTER_INCREMENT(exp, pin);
1366 rc = OBP(exp->exp_obd, pin)(exp, fid, oc, handle, flag);
1370 static inline int obd_unpin(struct obd_export *exp,
1371 struct obd_client_handle *handle, int flag)
1376 EXP_CHECK_DT_OP(exp, unpin);
1377 EXP_COUNTER_INCREMENT(exp, unpin);
1379 rc = OBP(exp->exp_obd, unpin)(exp, handle, flag);
1384 static inline void obd_import_event(struct obd_device *obd,
1385 struct obd_import *imp,
1386 enum obd_import_event event)
1390 CERROR("NULL device\n");
1394 if (obd->obd_set_up && OBP(obd, import_event)) {
1395 OBD_COUNTER_INCREMENT(obd, import_event);
1396 OBP(obd, import_event)(obd, imp, event);
1401 static inline int obd_llog_connect(struct obd_export *exp,
1402 struct llogd_conn_body *body)
1407 OBD_CHECK_DT_OP(exp->exp_obd, llog_connect, 0);
1408 EXP_COUNTER_INCREMENT(exp, llog_connect);
1410 rc = OBP(exp->exp_obd, llog_connect)(exp, body);
1415 static inline int obd_notify(struct obd_device *obd,
1416 struct obd_device *watched,
1417 enum obd_notify_event ev,
1424 /* the check for async_recov is a complete hack - I'm hereby
1425 overloading the meaning to also mean "this was called from
1426 mds_postsetup". I know that my mds is able to handle notifies
1427 by this point, and it needs to get them to execute mds_postrecov. */
1428 if (!obd->obd_set_up && !obd->obd_async_recov) {
1429 CDEBUG(D_HA, "obd %s not set up\n", obd->obd_name);
1433 if (!OBP(obd, notify)) {
1434 CERROR("obd %s has no notify handler\n", obd->obd_name);
1438 OBD_COUNTER_INCREMENT(obd, notify);
1439 rc = OBP(obd, notify)(obd, watched, ev, data);
1443 static inline int obd_notify_observer(struct obd_device *observer,
1444 struct obd_device *observed,
1445 enum obd_notify_event ev,
1451 struct obd_notify_upcall *onu;
1453 if (observer->obd_observer)
1454 rc1 = obd_notify(observer->obd_observer, observed, ev, data);
1458 * Also, call non-obd listener, if any
1460 onu = &observer->obd_upcall;
1461 if (onu->onu_upcall != NULL)
1462 rc2 = onu->onu_upcall(observer, observed, ev, onu->onu_owner);
1466 return rc1 ? rc1 : rc2;
1469 static inline int obd_quotacheck(struct obd_export *exp,
1470 struct obd_quotactl *oqctl)
1475 EXP_CHECK_DT_OP(exp, quotacheck);
1476 EXP_COUNTER_INCREMENT(exp, quotacheck);
1478 rc = OBP(exp->exp_obd, quotacheck)(exp->exp_obd, exp, oqctl);
1482 static inline int obd_quotactl(struct obd_export *exp,
1483 struct obd_quotactl *oqctl)
1488 EXP_CHECK_DT_OP(exp, quotactl);
1489 EXP_COUNTER_INCREMENT(exp, quotactl);
1491 rc = OBP(exp->exp_obd, quotactl)(exp->exp_obd, exp, oqctl);
1495 static inline int obd_quota_adjust_qunit(struct obd_export *exp,
1496 struct quota_adjust_qunit *oqaq,
1497 struct lustre_quota_ctxt *qctxt)
1499 #if defined(LPROCFS) && defined(HAVE_QUOTA_SUPPORT)
1500 struct timeval work_start;
1501 struct timeval work_end;
1507 #if defined(LPROCFS) && defined(HAVE_QUOTA_SUPPORT)
1509 do_gettimeofday(&work_start);
1511 EXP_CHECK_DT_OP(exp, quota_adjust_qunit);
1512 EXP_COUNTER_INCREMENT(exp, quota_adjust_qunit);
1514 rc = OBP(exp->exp_obd, quota_adjust_qunit)(exp, oqaq, qctxt);
1516 #if defined(LPROCFS) && defined(HAVE_QUOTA_SUPPORT)
1518 do_gettimeofday(&work_end);
1519 timediff = cfs_timeval_sub(&work_end, &work_start, NULL);
1520 lprocfs_counter_add(qctxt->lqc_stats, LQUOTA_ADJUST_QUNIT,
1527 static inline int obd_health_check(struct obd_device *obd)
1529 /* returns: 0 on healthy
1530 * >0 on unhealthy + reason code/flag
1531 * however the only suppored reason == 1 right now
1532 * We'll need to define some better reasons
1533 * or flags in the future.
1539 /* don't use EXP_CHECK_DT_OP, because NULL method is normal here */
1540 if (obd == NULL || !OBT(obd)) {
1541 CERROR("cleaned up obd\n");
1542 RETURN(-EOPNOTSUPP);
1544 if (!obd->obd_set_up || obd->obd_stopping)
1546 if (!OBP(obd, health_check))
1549 rc = OBP(obd, health_check)(obd);
1553 static inline int obd_register_observer(struct obd_device *obd,
1554 struct obd_device *observer)
1558 if (obd->obd_observer && observer)
1560 obd->obd_observer = observer;
1565 static inline int obd_register_page_removal_cb(struct obd_export *exp,
1566 obd_page_removal_cb_t cb,
1567 obd_pin_extent_cb pin_cb)
1572 OBD_CHECK_DT_OP(exp->exp_obd, register_page_removal_cb, 0);
1573 OBD_COUNTER_INCREMENT(exp->exp_obd, register_page_removal_cb);
1575 rc = OBP(exp->exp_obd, register_page_removal_cb)(exp, cb, pin_cb);
1579 static inline int obd_unregister_page_removal_cb(struct obd_export *exp,
1580 obd_page_removal_cb_t cb)
1585 OBD_CHECK_DT_OP(exp->exp_obd, unregister_page_removal_cb, 0);
1586 OBD_COUNTER_INCREMENT(exp->exp_obd, unregister_page_removal_cb);
1588 rc = OBP(exp->exp_obd, unregister_page_removal_cb)(exp, cb);
1592 static inline int obd_register_lock_cancel_cb(struct obd_export *exp,
1593 obd_lock_cancel_cb cb)
1598 OBD_CHECK_DT_OP(exp->exp_obd, register_lock_cancel_cb, 0);
1599 OBD_COUNTER_INCREMENT(exp->exp_obd, register_lock_cancel_cb);
1601 rc = OBP(exp->exp_obd, register_lock_cancel_cb)(exp, cb);
1605 static inline int obd_unregister_lock_cancel_cb(struct obd_export *exp,
1606 obd_lock_cancel_cb cb)
1611 OBD_CHECK_DT_OP(exp->exp_obd, unregister_lock_cancel_cb, 0);
1612 OBD_COUNTER_INCREMENT(exp->exp_obd, unregister_lock_cancel_cb);
1614 rc = OBP(exp->exp_obd, unregister_lock_cancel_cb)(exp, cb);
1619 /* metadata helpers */
1620 static inline int md_getstatus(struct obd_export *exp,
1621 struct lu_fid *fid, struct obd_capa **pc)
1626 EXP_CHECK_MD_OP(exp, getstatus);
1627 EXP_MD_COUNTER_INCREMENT(exp, getstatus);
1628 rc = MDP(exp->exp_obd, getstatus)(exp, fid, pc);
1632 static inline int md_getattr(struct obd_export *exp, const struct lu_fid *fid,
1633 struct obd_capa *oc, obd_valid valid, int ea_size,
1634 struct ptlrpc_request **request)
1638 EXP_CHECK_MD_OP(exp, getattr);
1639 EXP_MD_COUNTER_INCREMENT(exp, getattr);
1640 rc = MDP(exp->exp_obd, getattr)(exp, fid, oc, valid,
1645 static inline int md_change_cbdata(struct obd_export *exp,
1646 const struct lu_fid *fid,
1647 ldlm_iterator_t it, void *data)
1651 EXP_CHECK_MD_OP(exp, change_cbdata);
1652 EXP_MD_COUNTER_INCREMENT(exp, change_cbdata);
1653 rc = MDP(exp->exp_obd, change_cbdata)(exp, fid, it, data);
1657 static inline int md_close(struct obd_export *exp, struct md_op_data *op_data,
1658 struct md_open_data *mod,
1659 struct ptlrpc_request **request)
1663 EXP_CHECK_MD_OP(exp, close);
1664 EXP_MD_COUNTER_INCREMENT(exp, close);
1665 rc = MDP(exp->exp_obd, close)(exp, op_data, mod, request);
1669 static inline int md_create(struct obd_export *exp, struct md_op_data *op_data,
1670 const void *data, int datalen, int mode, __u32 uid,
1671 __u32 gid, cfs_cap_t cap_effective, __u64 rdev,
1672 struct ptlrpc_request **request)
1676 EXP_CHECK_MD_OP(exp, create);
1677 EXP_MD_COUNTER_INCREMENT(exp, create);
1678 rc = MDP(exp->exp_obd, create)(exp, op_data, data, datalen, mode,
1679 uid, gid, cap_effective, rdev, request);
1683 static inline int md_done_writing(struct obd_export *exp,
1684 struct md_op_data *op_data,
1685 struct md_open_data *mod)
1689 EXP_CHECK_MD_OP(exp, done_writing);
1690 EXP_MD_COUNTER_INCREMENT(exp, done_writing);
1691 rc = MDP(exp->exp_obd, done_writing)(exp, op_data, mod);
1695 static inline int md_enqueue(struct obd_export *exp,
1696 struct ldlm_enqueue_info *einfo,
1697 struct lookup_intent *it,
1698 struct md_op_data *op_data,
1699 struct lustre_handle *lockh,
1700 void *lmm, int lmmsize,
1701 struct ptlrpc_request **req,
1702 int extra_lock_flags)
1706 EXP_CHECK_MD_OP(exp, enqueue);
1707 EXP_MD_COUNTER_INCREMENT(exp, enqueue);
1708 rc = MDP(exp->exp_obd, enqueue)(exp, einfo, it, op_data, lockh,
1709 lmm, lmmsize, req, extra_lock_flags);
1713 static inline int md_getattr_name(struct obd_export *exp,
1714 const struct lu_fid *fid, struct obd_capa *oc,
1715 const char *name, int namelen,
1716 obd_valid valid, int ea_size, __u32 suppgid,
1717 struct ptlrpc_request **request)
1721 EXP_CHECK_MD_OP(exp, getattr_name);
1722 EXP_MD_COUNTER_INCREMENT(exp, getattr_name);
1723 rc = MDP(exp->exp_obd, getattr_name)(exp, fid, oc, name, namelen,
1724 valid, ea_size, suppgid, request);
1728 static inline int md_intent_lock(struct obd_export *exp,
1729 struct md_op_data *op_data, void *lmm,
1730 int lmmsize, struct lookup_intent *it,
1731 int flags, struct ptlrpc_request **reqp,
1732 ldlm_blocking_callback cb_blocking,
1733 int extra_lock_flags)
1737 EXP_CHECK_MD_OP(exp, intent_lock);
1738 EXP_MD_COUNTER_INCREMENT(exp, intent_lock);
1739 rc = MDP(exp->exp_obd, intent_lock)(exp, op_data, lmm, lmmsize,
1740 it, flags, reqp, cb_blocking,
1745 static inline int md_link(struct obd_export *exp, struct md_op_data *op_data,
1746 struct ptlrpc_request **request)
1750 EXP_CHECK_MD_OP(exp, link);
1751 EXP_MD_COUNTER_INCREMENT(exp, link);
1752 rc = MDP(exp->exp_obd, link)(exp, op_data, request);
1756 static inline int md_rename(struct obd_export *exp, struct md_op_data *op_data,
1757 const char *old, int oldlen, const char *new,
1758 int newlen, struct ptlrpc_request **request)
1762 EXP_CHECK_MD_OP(exp, rename);
1763 EXP_MD_COUNTER_INCREMENT(exp, rename);
1764 rc = MDP(exp->exp_obd, rename)(exp, op_data, old, oldlen, new,
1769 static inline int md_is_subdir(struct obd_export *exp,
1770 const struct lu_fid *pfid,
1771 const struct lu_fid *cfid,
1772 struct ptlrpc_request **request)
1776 EXP_CHECK_MD_OP(exp, is_subdir);
1777 EXP_MD_COUNTER_INCREMENT(exp, is_subdir);
1778 rc = MDP(exp->exp_obd, is_subdir)(exp, pfid, cfid, request);
1782 static inline int md_setattr(struct obd_export *exp, struct md_op_data *op_data,
1783 void *ea, int ealen, void *ea2, int ea2len,
1784 struct ptlrpc_request **request,
1785 struct md_open_data **mod)
1789 EXP_CHECK_MD_OP(exp, setattr);
1790 EXP_MD_COUNTER_INCREMENT(exp, setattr);
1791 rc = MDP(exp->exp_obd, setattr)(exp, op_data, ea, ealen,
1792 ea2, ea2len, request, mod);
1796 static inline int md_sync(struct obd_export *exp, const struct lu_fid *fid,
1797 struct obd_capa *oc, struct ptlrpc_request **request)
1801 EXP_CHECK_MD_OP(exp, sync);
1802 EXP_MD_COUNTER_INCREMENT(exp, sync);
1803 rc = MDP(exp->exp_obd, sync)(exp, fid, oc, request);
1807 static inline int md_readpage(struct obd_export *exp, const struct lu_fid *fid,
1808 struct obd_capa *oc, __u64 offset,
1810 struct ptlrpc_request **request)
1814 EXP_CHECK_MD_OP(exp, readpage);
1815 EXP_MD_COUNTER_INCREMENT(exp, readpage);
1816 rc = MDP(exp->exp_obd, readpage)(exp, fid, oc, offset, page, request);
1820 static inline int md_unlink(struct obd_export *exp, struct md_op_data *op_data,
1821 struct ptlrpc_request **request)
1825 EXP_CHECK_MD_OP(exp, unlink);
1826 EXP_MD_COUNTER_INCREMENT(exp, unlink);
1827 rc = MDP(exp->exp_obd, unlink)(exp, op_data, request);
1831 static inline int md_get_lustre_md(struct obd_export *exp,
1832 struct ptlrpc_request *req,
1833 struct obd_export *dt_exp,
1834 struct obd_export *md_exp,
1835 struct lustre_md *md)
1838 EXP_CHECK_MD_OP(exp, get_lustre_md);
1839 EXP_MD_COUNTER_INCREMENT(exp, get_lustre_md);
1840 RETURN(MDP(exp->exp_obd, get_lustre_md)(exp, req, dt_exp, md_exp, md));
1843 static inline int md_free_lustre_md(struct obd_export *exp,
1844 struct lustre_md *md)
1847 EXP_CHECK_MD_OP(exp, free_lustre_md);
1848 EXP_MD_COUNTER_INCREMENT(exp, free_lustre_md);
1849 RETURN(MDP(exp->exp_obd, free_lustre_md)(exp, md));
1852 static inline int md_setxattr(struct obd_export *exp,
1853 const struct lu_fid *fid, struct obd_capa *oc,
1854 obd_valid valid, const char *name,
1855 const char *input, int input_size,
1856 int output_size, int flags, __u32 suppgid,
1857 struct ptlrpc_request **request)
1860 EXP_CHECK_MD_OP(exp, setxattr);
1861 EXP_MD_COUNTER_INCREMENT(exp, setxattr);
1862 RETURN(MDP(exp->exp_obd, setxattr)(exp, fid, oc, valid, name, input,
1863 input_size, output_size, flags,
1867 static inline int md_getxattr(struct obd_export *exp,
1868 const struct lu_fid *fid, struct obd_capa *oc,
1869 obd_valid valid, const char *name,
1870 const char *input, int input_size,
1871 int output_size, int flags,
1872 struct ptlrpc_request **request)
1875 EXP_CHECK_MD_OP(exp, getxattr);
1876 EXP_MD_COUNTER_INCREMENT(exp, getxattr);
1877 RETURN(MDP(exp->exp_obd, getxattr)(exp, fid, oc, valid, name, input,
1878 input_size, output_size, flags,
1882 static inline int md_set_open_replay_data(struct obd_export *exp,
1883 struct obd_client_handle *och,
1884 struct ptlrpc_request *open_req)
1887 EXP_CHECK_MD_OP(exp, set_open_replay_data);
1888 EXP_MD_COUNTER_INCREMENT(exp, set_open_replay_data);
1889 RETURN(MDP(exp->exp_obd, set_open_replay_data)(exp, och, open_req));
1892 static inline int md_clear_open_replay_data(struct obd_export *exp,
1893 struct obd_client_handle *och)
1896 EXP_CHECK_MD_OP(exp, clear_open_replay_data);
1897 EXP_MD_COUNTER_INCREMENT(exp, clear_open_replay_data);
1898 RETURN(MDP(exp->exp_obd, clear_open_replay_data)(exp, och));
1901 static inline int md_set_lock_data(struct obd_export *exp,
1902 __u64 *lockh, void *data)
1905 EXP_CHECK_MD_OP(exp, set_lock_data);
1906 EXP_MD_COUNTER_INCREMENT(exp, set_lock_data);
1907 RETURN(MDP(exp->exp_obd, set_lock_data)(exp, lockh, data));
1910 static inline int md_cancel_unused(struct obd_export *exp,
1911 const struct lu_fid *fid,
1912 ldlm_policy_data_t *policy,
1913 ldlm_mode_t mode, int flags, void *opaque)
1918 EXP_CHECK_MD_OP(exp, cancel_unused);
1919 EXP_MD_COUNTER_INCREMENT(exp, cancel_unused);
1921 rc = MDP(exp->exp_obd, cancel_unused)(exp, fid, policy, mode,
1926 static inline ldlm_mode_t md_lock_match(struct obd_export *exp, int flags,
1927 const struct lu_fid *fid,
1929 ldlm_policy_data_t *policy,
1931 struct lustre_handle *lockh)
1934 EXP_CHECK_MD_OP(exp, lock_match);
1935 EXP_MD_COUNTER_INCREMENT(exp, lock_match);
1936 RETURN(MDP(exp->exp_obd, lock_match)(exp, flags, fid, type,
1937 policy, mode, lockh));
1940 static inline int md_init_ea_size(struct obd_export *exp, int easize,
1941 int def_asize, int cookiesize)
1944 EXP_CHECK_MD_OP(exp, init_ea_size);
1945 EXP_MD_COUNTER_INCREMENT(exp, init_ea_size);
1946 RETURN(MDP(exp->exp_obd, init_ea_size)(exp, easize, def_asize,
1950 static inline int md_get_remote_perm(struct obd_export *exp,
1951 const struct lu_fid *fid,
1952 struct obd_capa *oc, __u32 suppgid,
1953 struct ptlrpc_request **request)
1956 EXP_CHECK_MD_OP(exp, get_remote_perm);
1957 EXP_MD_COUNTER_INCREMENT(exp, get_remote_perm);
1958 RETURN(MDP(exp->exp_obd, get_remote_perm)(exp, fid, oc, suppgid,
1962 static inline int md_renew_capa(struct obd_export *exp, struct obd_capa *ocapa,
1967 EXP_CHECK_MD_OP(exp, renew_capa);
1968 EXP_MD_COUNTER_INCREMENT(exp, renew_capa);
1969 rc = MDP(exp->exp_obd, renew_capa)(exp, ocapa, cb);
1973 static inline int md_unpack_capa(struct obd_export *exp,
1974 struct ptlrpc_request *req,
1975 const struct req_msg_field *field,
1976 struct obd_capa **oc)
1980 EXP_CHECK_MD_OP(exp, unpack_capa);
1981 EXP_MD_COUNTER_INCREMENT(exp, unpack_capa);
1982 rc = MDP(exp->exp_obd, unpack_capa)(exp, req, field, oc);
1986 static inline int md_intent_getattr_async(struct obd_export *exp,
1987 struct md_enqueue_info *minfo,
1988 struct ldlm_enqueue_info *einfo)
1992 EXP_CHECK_MD_OP(exp, intent_getattr_async);
1993 EXP_MD_COUNTER_INCREMENT(exp, intent_getattr_async);
1994 rc = MDP(exp->exp_obd, intent_getattr_async)(exp, minfo, einfo);
1998 static inline int md_revalidate_lock(struct obd_export *exp,
1999 struct lookup_intent *it,
2004 EXP_CHECK_MD_OP(exp, revalidate_lock);
2005 EXP_MD_COUNTER_INCREMENT(exp, revalidate_lock);
2006 rc = MDP(exp->exp_obd, revalidate_lock)(exp, it, fid);
2011 /* OBD Metadata Support */
2013 extern int obd_init_caches(void);
2014 extern void obd_cleanup_caches(void);
2016 /* support routines */
2017 extern cfs_mem_cache_t *obdo_cachep;
2019 #define OBDO_ALLOC(ptr) \
2021 OBD_SLAB_ALLOC_PTR((ptr), obdo_cachep); \
2024 #define OBDO_FREE(ptr) \
2026 OBD_SLAB_FREE_PTR((ptr), obdo_cachep); \
2030 static inline void obdo2fid(struct obdo *oa, struct lu_fid *fid)
2032 /* something here */
2035 static inline void fid2obdo(struct lu_fid *fid, struct obdo *oa)
2037 /* something here */
2040 /* I'm as embarrassed about this as you are.
2042 * <shaver> // XXX do not look into _superhack with remaining eye
2043 * <shaver> // XXX if this were any uglier, I'd get my own show on MTV */
2044 extern int (*ptlrpc_put_connection_superhack)(struct ptlrpc_connection *c);
2047 extern void obd_sysctl_init (void);
2048 extern void obd_sysctl_clean (void);
2051 typedef __u8 class_uuid_t[16];
2052 void class_uuid_unparse(class_uuid_t in, struct obd_uuid *out);
2055 int lustre_uuid_to_peer(const char *uuid, lnet_nid_t *peer_nid, int index);
2056 int class_add_uuid(const char *uuid, __u64 nid);
2057 int class_del_uuid (const char *uuid);
2058 void class_init_uuidlist(void);
2059 void class_exit_uuidlist(void);
2062 int mea_name2idx(struct lmv_stripe_md *mea, const char *name, int namelen);
2063 int raw_name2idx(int hashtype, int count, const char *name, int namelen);
2066 void ll_generate_random_uuid(class_uuid_t uuid_out);
2068 #endif /* __LINUX_OBD_CLASS_H */