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);
106 int class_process_config(struct lustre_cfg *lcfg);
107 int class_process_proc_param(char *prefix, struct lprocfs_vars *lvars,
108 struct lustre_cfg *lcfg, void *data);
109 int class_attach(struct lustre_cfg *lcfg);
110 int class_setup(struct obd_device *obd, struct lustre_cfg *lcfg);
111 int class_cleanup(struct obd_device *obd, struct lustre_cfg *lcfg);
112 int class_detach(struct obd_device *obd, struct lustre_cfg *lcfg);
113 struct obd_device *class_incref(struct obd_device *obd,
114 const char *scope, const void *source);
115 void class_decref(struct obd_device *obd,
116 const char *scope, const void *source);
120 extern void lprocfs_echo_init_vars(struct lprocfs_static_vars *lvars);
122 static inline void lprocfs_echo_init_vars(struct lprocfs_static_vars *lvars)
124 memset(lvars, 0, sizeof(*lvars));
128 #define CFG_F_START 0x01 /* Set when we start updating from a log */
129 #define CFG_F_MARKER 0x02 /* We are within a maker */
130 #define CFG_F_SKIP 0x04 /* We should ignore this cfg command */
131 #define CFG_F_COMPAT146 0x08 /* Allow old-style logs */
132 #define CFG_F_EXCLUDE 0x10 /* OST exclusion list */
134 /* Passed as data param to class_config_parse_llog */
135 struct config_llog_instance {
138 struct super_block *cfg_sb;
139 struct obd_uuid cfg_uuid;
140 int cfg_last_idx; /* for partial llog processing */
143 int class_config_parse_llog(struct llog_ctxt *ctxt, char *name,
144 struct config_llog_instance *cfg);
145 int class_config_dump_llog(struct llog_ctxt *ctxt, char *name,
146 struct config_llog_instance *cfg);
148 /* list of active configuration logs */
149 struct config_llog_data {
151 struct ldlm_res_id cld_resid;
152 struct config_llog_instance cld_cfg;
153 struct list_head cld_list_chain;
154 atomic_t cld_refcount;
155 struct config_llog_data *cld_sptlrpc;/* depended sptlrpc log */
156 struct obd_export *cld_mgcexp;
157 unsigned int cld_stopping:1, /* we were told to stop watching */
158 cld_lostlock:1, /* lock not requeued */
162 struct lustre_profile {
163 struct list_head lp_list;
169 struct lustre_profile *class_get_profile(const char * prof);
170 void class_del_profile(const char *prof);
171 void class_del_profiles(void);
173 #define class_export_rpc_get(exp) \
175 atomic_inc(&(exp)->exp_rpc_count); \
176 CDEBUG(D_INFO, "RPC GETting export %p : new rpc_count %d\n", \
177 (exp), atomic_read(&(exp)->exp_rpc_count)); \
178 class_export_get(exp); \
181 #define class_export_rpc_put(exp) \
183 atomic_dec(&(exp)->exp_rpc_count); \
184 CDEBUG(D_INFO, "RPC PUTting export %p : new rpc_count %d\n", \
185 (exp), atomic_read(&(exp)->exp_rpc_count)); \
186 class_export_put(exp); \
190 struct obd_export *class_export_get(struct obd_export *exp);
191 void class_export_put(struct obd_export *exp);
192 struct obd_export *class_new_export(struct obd_device *obddev,
193 struct obd_uuid *cluuid);
194 void class_unlink_export(struct obd_export *exp);
196 struct obd_import *class_import_get(struct obd_import *);
197 void class_import_put(struct obd_import *);
198 struct obd_import *class_new_import(struct obd_device *obd);
199 void class_destroy_import(struct obd_import *exp);
201 struct obd_type *class_search_type(const char *name);
202 struct obd_type *class_get_type(const char *name);
203 void class_put_type(struct obd_type *type);
204 int class_connect(struct lustre_handle *conn, struct obd_device *obd,
205 struct obd_uuid *cluuid);
206 int class_disconnect(struct obd_export *exp);
207 void class_fail_export(struct obd_export *exp);
208 void class_disconnect_exports(struct obd_device *obddev);
209 int class_manual_cleanup(struct obd_device *obd);
210 void class_disconnect_stale_exports(struct obd_device *,
211 int (*test_export)(struct obd_export *),
212 enum obd_option flags);
214 static inline enum obd_option exp_flags_from_obd(struct obd_device *obd)
216 return ((obd->obd_fail ? OBD_OPT_FAILOVER : 0) |
217 (obd->obd_force ? OBD_OPT_FORCE : 0) |
218 (obd->obd_abort_recovery ? OBD_OPT_ABORT_RECOV : 0) |
222 void obdo_cpy_md(struct obdo *dst, struct obdo *src, obd_flag valid);
223 void obdo_to_ioobj(struct obdo *oa, struct obd_ioobj *ioobj);
224 void obdo_from_iattr(struct obdo *oa, struct iattr *attr,
225 unsigned int ia_valid);
226 void iattr_from_obdo(struct iattr *attr, struct obdo *oa, obd_flag valid);
227 void md_from_obdo(struct md_op_data *op_data, struct obdo *oa, obd_flag valid);
228 void obdo_from_md(struct obdo *oa, struct md_op_data *op_data,
231 #define OBT(dev) (dev)->obd_type
232 #define OBP(dev, op) (dev)->obd_type->typ_dt_ops->o_ ## op
233 #define MDP(dev, op) (dev)->obd_type->typ_md_ops->m_ ## op
234 #define CTXTP(ctxt, op) (ctxt)->loc_logops->lop_##op
236 /* Ensure obd_setup: used for cleanup which must be called
237 while obd is stopping */
238 #define OBD_CHECK_DEV(obd) \
241 CERROR("NULL device\n"); \
246 /* ensure obd_setup and !obd_stopping */
247 #define OBD_CHECK_DEV_ACTIVE(obd) \
249 OBD_CHECK_DEV(obd); \
250 if (!(obd)->obd_set_up || (obd)->obd_stopping) { \
251 CERROR("Device %d not setup\n", \
259 #define OBD_COUNTER_OFFSET(op) \
260 ((offsetof(struct obd_ops, o_ ## op) - \
261 offsetof(struct obd_ops, o_iocontrol)) \
262 / sizeof(((struct obd_ops *)(0))->o_iocontrol))
264 #define OBD_COUNTER_INCREMENT(obdx, op) \
265 if ((obdx)->obd_stats != NULL) { \
266 unsigned int coffset; \
267 coffset = (unsigned int)((obdx)->obd_cntr_base) + \
268 OBD_COUNTER_OFFSET(op); \
269 LASSERT(coffset < (obdx)->obd_stats->ls_num); \
270 lprocfs_counter_incr((obdx)->obd_stats, coffset); \
273 #define EXP_COUNTER_INCREMENT(export, op) \
274 if ((export)->exp_obd->obd_stats != NULL) { \
275 unsigned int coffset; \
276 coffset = (unsigned int)((export)->exp_obd->obd_cntr_base) + \
277 OBD_COUNTER_OFFSET(op); \
278 LASSERT(coffset < (export)->exp_obd->obd_stats->ls_num); \
279 lprocfs_counter_incr((export)->exp_obd->obd_stats, coffset); \
280 if ((export)->exp_nid_stats != NULL && \
281 (export)->exp_nid_stats->nid_stats != NULL) \
282 lprocfs_counter_incr( \
283 (export)->exp_nid_stats->nid_stats, coffset);\
286 #define MD_COUNTER_OFFSET(op) \
287 ((offsetof(struct md_ops, m_ ## op) - \
288 offsetof(struct md_ops, m_getstatus)) \
289 / sizeof(((struct md_ops *)(0))->m_getstatus))
291 #define MD_COUNTER_INCREMENT(obdx, op) \
292 if ((obd)->md_stats != NULL) { \
293 unsigned int coffset; \
294 coffset = (unsigned int)((obdx)->md_cntr_base) + \
295 MD_COUNTER_OFFSET(op); \
296 LASSERT(coffset < (obdx)->md_stats->ls_num); \
297 lprocfs_counter_incr((obdx)->md_stats, coffset); \
300 #define EXP_MD_COUNTER_INCREMENT(export, op) \
301 if ((export)->exp_obd->obd_stats != NULL) { \
302 unsigned int coffset; \
303 coffset = (unsigned int)((export)->exp_obd->md_cntr_base) + \
304 MD_COUNTER_OFFSET(op); \
305 LASSERT(coffset < (export)->exp_obd->md_stats->ls_num); \
306 lprocfs_counter_incr((export)->exp_obd->md_stats, coffset); \
307 if ((export)->exp_md_stats != NULL) \
308 lprocfs_counter_incr( \
309 (export)->exp_md_stats, coffset); \
313 #define OBD_COUNTER_OFFSET(op)
314 #define OBD_COUNTER_INCREMENT(obd, op)
315 #define EXP_COUNTER_INCREMENT(exp, op)
316 #define MD_COUNTER_INCREMENT(obd, op)
317 #define EXP_MD_COUNTER_INCREMENT(exp, op)
320 #define OBD_CHECK_MD_OP(obd, op, err) \
322 if (!OBT(obd) || !MDP((obd), op)) { \
324 CERROR("md_" #op ": dev %s/%d no operation\n", \
325 obd->obd_name, obd->obd_minor); \
330 #define EXP_CHECK_MD_OP(exp, op) \
332 if ((exp) == NULL) { \
333 CERROR("obd_" #op ": NULL export\n"); \
336 if ((exp)->exp_obd == NULL || !OBT((exp)->exp_obd)) { \
337 CERROR("obd_" #op ": cleaned up obd\n"); \
338 RETURN(-EOPNOTSUPP); \
340 if (!OBT((exp)->exp_obd) || !MDP((exp)->exp_obd, op)) { \
341 CERROR("obd_" #op ": dev %s/%d no operation\n", \
342 (exp)->exp_obd->obd_name, \
343 (exp)->exp_obd->obd_minor); \
344 RETURN(-EOPNOTSUPP); \
349 #define OBD_CHECK_DT_OP(obd, op, err) \
351 if (!OBT(obd) || !OBP((obd), op)) { \
353 CERROR("obd_" #op ": dev %d no operation\n", \
359 #define EXP_CHECK_DT_OP(exp, op) \
361 if ((exp) == NULL) { \
362 CERROR("obd_" #op ": NULL export\n"); \
365 if ((exp)->exp_obd == NULL || !OBT((exp)->exp_obd)) { \
366 CERROR("obd_" #op ": cleaned up obd\n"); \
367 RETURN(-EOPNOTSUPP); \
369 if (!OBT((exp)->exp_obd) || !OBP((exp)->exp_obd, op)) { \
370 CERROR("obd_" #op ": dev %d no operation\n", \
371 (exp)->exp_obd->obd_minor); \
372 RETURN(-EOPNOTSUPP); \
376 #define CTXT_CHECK_OP(ctxt, op, err) \
378 if (!OBT(ctxt->loc_obd) || !CTXTP((ctxt), op)) { \
380 CERROR("lop_" #op ": dev %d no operation\n", \
381 ctxt->loc_obd->obd_minor); \
386 static inline int class_devno_max(void)
388 return MAX_OBD_DEVICES;
391 static inline int obd_get_info(struct obd_export *exp, __u32 keylen,
392 void *key, __u32 *vallen, void *val,
393 struct lov_stripe_md *lsm)
398 EXP_CHECK_DT_OP(exp, get_info);
399 EXP_COUNTER_INCREMENT(exp, get_info);
401 rc = OBP(exp->exp_obd, get_info)(exp, keylen, key, vallen, val, lsm);
405 static inline int obd_set_info_async(struct obd_export *exp, obd_count keylen,
406 void *key, obd_count vallen, void *val,
407 struct ptlrpc_request_set *set)
412 EXP_CHECK_DT_OP(exp, set_info_async);
413 EXP_COUNTER_INCREMENT(exp, set_info_async);
415 rc = OBP(exp->exp_obd, set_info_async)(exp, keylen, key, vallen, val,
421 * obd-lu integration.
423 * Functionality is being moved into new lu_device-based layering, but some
424 * pieces of configuration process are still based on obd devices.
426 * Specifically, lu_device_type_operations::ldto_device_alloc() methods fully
427 * subsume ->o_setup() methods of obd devices they replace. The same for
428 * lu_device_operations::ldo_process_config() and ->o_process_config(). As a
429 * result, obd_setup() and obd_process_config() branch and call one XOR
432 * Yet neither lu_device_type_operations::ldto_device_fini() nor
433 * lu_device_type_operations::ldto_device_free() fully implement the
434 * functionality of ->o_precleanup() and ->o_cleanup() they override. Hence,
435 * obd_precleanup() and obd_cleanup() call both lu_device and obd operations.
438 #define DECLARE_LU_VARS(ldt, d) \
439 struct lu_device_type *ldt; \
442 static inline int obd_setup(struct obd_device *obd, struct lustre_cfg *cfg)
445 DECLARE_LU_VARS(ldt, d);
448 ldt = obd->obd_type->typ_lu;
450 struct lu_context session_ctx;
452 lu_context_init(&session_ctx, LCT_SESSION);
453 session_ctx.lc_thread = NULL;
454 lu_context_enter(&session_ctx);
456 rc = lu_env_init(&env, ldt->ldt_ctx_tags);
458 env.le_ses = &session_ctx;
459 d = ldt->ldt_ops->ldto_device_alloc(&env, ldt, cfg);
468 lu_context_exit(&session_ctx);
469 lu_context_fini(&session_ctx);
472 OBD_CHECK_DT_OP(obd, setup, -EOPNOTSUPP);
473 OBD_COUNTER_INCREMENT(obd, setup);
474 rc = OBP(obd, setup)(obd, cfg);
479 static inline int obd_precleanup(struct obd_device *obd,
480 enum obd_cleanup_stage cleanup_stage)
483 DECLARE_LU_VARS(ldt, d);
487 ldt = obd->obd_type->typ_lu;
489 if (ldt != NULL && d != NULL) {
490 if (cleanup_stage == OBD_CLEANUP_EXPORTS) {
493 rc = lu_env_init(&env, ldt->ldt_ctx_tags);
495 ldt->ldt_ops->ldto_device_fini(&env, d);
500 OBD_CHECK_DT_OP(obd, precleanup, 0);
501 OBD_COUNTER_INCREMENT(obd, precleanup);
503 rc = OBP(obd, precleanup)(obd, cleanup_stage);
507 static inline int obd_cleanup(struct obd_device *obd)
510 DECLARE_LU_VARS(ldt, d);
515 ldt = obd->obd_type->typ_lu;
517 if (ldt != NULL && d != NULL) {
520 rc = lu_env_init(&env, ldt->ldt_ctx_tags);
522 ldt->ldt_ops->ldto_device_free(&env, d);
524 obd->obd_lu_dev = NULL;
527 OBD_CHECK_DT_OP(obd, cleanup, 0);
528 OBD_COUNTER_INCREMENT(obd, cleanup);
530 rc = OBP(obd, cleanup)(obd);
535 obd_process_config(struct obd_device *obd, int datalen, void *data)
538 DECLARE_LU_VARS(ldt, d);
543 obd->obd_process_conf = 1;
544 ldt = obd->obd_type->typ_lu;
546 if (ldt != NULL && d != NULL) {
549 rc = lu_env_init(&env, ldt->ldt_ctx_tags);
551 rc = d->ld_ops->ldo_process_config(&env, d, data);
555 OBD_CHECK_DT_OP(obd, process_config, -EOPNOTSUPP);
556 rc = OBP(obd, process_config)(obd, datalen, data);
558 OBD_COUNTER_INCREMENT(obd, process_config);
559 obd->obd_process_conf = 0;
564 /* Pack an in-memory MD struct for storage on disk.
565 * Returns +ve size of packed MD (0 for free), or -ve error.
567 * If @disk_tgt == NULL, MD size is returned (max size if @mem_src == NULL).
568 * If @*disk_tgt != NULL and @mem_src == NULL, @*disk_tgt will be freed.
569 * If @*disk_tgt == NULL, it will be allocated
571 static inline int obd_packmd(struct obd_export *exp,
572 struct lov_mds_md **disk_tgt,
573 struct lov_stripe_md *mem_src)
578 EXP_CHECK_DT_OP(exp, packmd);
579 EXP_COUNTER_INCREMENT(exp, packmd);
581 rc = OBP(exp->exp_obd, packmd)(exp, disk_tgt, mem_src);
585 static inline int obd_size_diskmd(struct obd_export *exp,
586 struct lov_stripe_md *mem_src)
588 return obd_packmd(exp, NULL, mem_src);
591 /* helper functions */
592 static inline int obd_alloc_diskmd(struct obd_export *exp,
593 struct lov_mds_md **disk_tgt)
596 LASSERT(*disk_tgt == NULL);
597 return obd_packmd(exp, disk_tgt, NULL);
600 static inline int obd_free_diskmd(struct obd_export *exp,
601 struct lov_mds_md **disk_tgt)
605 return obd_packmd(exp, disk_tgt, NULL);
608 /* Unpack an MD struct from disk to in-memory format.
609 * Returns +ve size of unpacked MD (0 for free), or -ve error.
611 * If @mem_tgt == NULL, MD size is returned (max size if @disk_src == NULL).
612 * If @*mem_tgt != NULL and @disk_src == NULL, @*mem_tgt will be freed.
613 * If @*mem_tgt == NULL, it will be allocated
615 static inline int obd_unpackmd(struct obd_export *exp,
616 struct lov_stripe_md **mem_tgt,
617 struct lov_mds_md *disk_src,
623 EXP_CHECK_DT_OP(exp, unpackmd);
624 EXP_COUNTER_INCREMENT(exp, unpackmd);
626 rc = OBP(exp->exp_obd, unpackmd)(exp, mem_tgt, disk_src, disk_len);
630 /* helper functions */
631 static inline int obd_alloc_memmd(struct obd_export *exp,
632 struct lov_stripe_md **mem_tgt)
635 LASSERT(*mem_tgt == NULL);
636 return obd_unpackmd(exp, mem_tgt, NULL, 0);
639 static inline int obd_free_memmd(struct obd_export *exp,
640 struct lov_stripe_md **mem_tgt)
646 rc = obd_unpackmd(exp, mem_tgt, NULL, 0);
651 static inline int obd_checkmd(struct obd_export *exp,
652 struct obd_export *md_exp,
653 struct lov_stripe_md *mem_tgt)
658 EXP_CHECK_DT_OP(exp, checkmd);
659 EXP_COUNTER_INCREMENT(exp, checkmd);
661 rc = OBP(exp->exp_obd, checkmd)(exp, md_exp, mem_tgt);
665 static inline int obd_precreate(struct obd_export *exp)
670 EXP_CHECK_DT_OP(exp, precreate);
671 OBD_COUNTER_INCREMENT(exp->exp_obd, precreate);
673 rc = OBP(exp->exp_obd, precreate)(exp);
677 static inline int obd_create(struct obd_export *exp, struct obdo *obdo,
678 struct lov_stripe_md **ea,
679 struct obd_trans_info *oti)
684 EXP_CHECK_DT_OP(exp, create);
685 EXP_COUNTER_INCREMENT(exp, create);
687 rc = OBP(exp->exp_obd, create)(exp, obdo, ea, oti);
691 static inline int obd_destroy(struct obd_export *exp, struct obdo *obdo,
692 struct lov_stripe_md *ea,
693 struct obd_trans_info *oti,
694 struct obd_export *md_exp, void *capa)
699 EXP_CHECK_DT_OP(exp, destroy);
700 EXP_COUNTER_INCREMENT(exp, destroy);
702 rc = OBP(exp->exp_obd, destroy)(exp, obdo, ea, oti, md_exp, capa);
706 static inline int obd_getattr(struct obd_export *exp, struct obd_info *oinfo)
711 EXP_CHECK_DT_OP(exp, getattr);
712 EXP_COUNTER_INCREMENT(exp, getattr);
714 rc = OBP(exp->exp_obd, getattr)(exp, oinfo);
718 static inline int obd_getattr_async(struct obd_export *exp,
719 struct obd_info *oinfo,
720 struct ptlrpc_request_set *set)
725 EXP_CHECK_DT_OP(exp, getattr_async);
726 EXP_COUNTER_INCREMENT(exp, getattr_async);
728 rc = OBP(exp->exp_obd, getattr_async)(exp, oinfo, set);
732 static inline int obd_setattr(struct obd_export *exp, struct obd_info *oinfo,
733 struct obd_trans_info *oti)
738 EXP_CHECK_DT_OP(exp, setattr);
739 EXP_COUNTER_INCREMENT(exp, setattr);
741 rc = OBP(exp->exp_obd, setattr)(exp, oinfo, oti);
745 /* This performs all the requests set init/wait/destroy actions. */
746 static inline int obd_setattr_rqset(struct obd_export *exp,
747 struct obd_info *oinfo,
748 struct obd_trans_info *oti)
750 struct ptlrpc_request_set *set = NULL;
754 EXP_CHECK_DT_OP(exp, setattr_async);
755 EXP_COUNTER_INCREMENT(exp, setattr_async);
757 set = ptlrpc_prep_set();
761 rc = OBP(exp->exp_obd, setattr_async)(exp, oinfo, oti, set);
763 rc = ptlrpc_set_wait(set);
764 ptlrpc_set_destroy(set);
768 /* This adds all the requests into @set if @set != NULL, otherwise
769 all requests are sent asynchronously without waiting for response. */
770 static inline int obd_setattr_async(struct obd_export *exp,
771 struct obd_info *oinfo,
772 struct obd_trans_info *oti,
773 struct ptlrpc_request_set *set)
778 EXP_CHECK_DT_OP(exp, setattr_async);
779 EXP_COUNTER_INCREMENT(exp, setattr_async);
781 rc = OBP(exp->exp_obd, setattr_async)(exp, oinfo, oti, set);
785 static inline int obd_add_conn(struct obd_import *imp, struct obd_uuid *uuid,
788 struct obd_device *obd = imp->imp_obd;
792 OBD_CHECK_DEV_ACTIVE(obd);
793 OBD_CHECK_DT_OP(obd, add_conn, -EOPNOTSUPP);
794 OBD_COUNTER_INCREMENT(obd, add_conn);
796 rc = OBP(obd, add_conn)(imp, uuid, priority);
800 static inline int obd_del_conn(struct obd_import *imp, struct obd_uuid *uuid)
802 struct obd_device *obd = imp->imp_obd;
806 OBD_CHECK_DEV_ACTIVE(obd);
807 OBD_CHECK_DT_OP(obd, del_conn, -EOPNOTSUPP);
808 OBD_COUNTER_INCREMENT(obd, del_conn);
810 rc = OBP(obd, del_conn)(imp, uuid);
814 static inline struct obd_uuid *obd_get_uuid(struct obd_export *exp)
816 struct obd_uuid *uuid;
819 OBD_CHECK_DT_OP(exp->exp_obd, get_uuid, NULL);
820 EXP_COUNTER_INCREMENT(exp, get_uuid);
822 uuid = OBP(exp->exp_obd, get_uuid)(exp);
826 static inline int obd_connect(const struct lu_env *env,
827 struct obd_export **exp,struct obd_device *obd,
828 struct obd_uuid *cluuid,
829 struct obd_connect_data *d,
833 __u64 ocf = d ? d->ocd_connect_flags : 0; /* for post-condition
837 OBD_CHECK_DEV_ACTIVE(obd);
838 OBD_CHECK_DT_OP(obd, connect, -EOPNOTSUPP);
839 OBD_COUNTER_INCREMENT(obd, connect);
841 rc = OBP(obd, connect)(env, exp, obd, cluuid, d, localdata);
842 /* check that only subset is granted */
843 LASSERT(ergo(d != NULL,
844 (d->ocd_connect_flags & ocf) == d->ocd_connect_flags));
848 static inline int obd_reconnect(const struct lu_env *env,
849 struct obd_export *exp,
850 struct obd_device *obd,
851 struct obd_uuid *cluuid,
852 struct obd_connect_data *d,
856 __u64 ocf = d ? d->ocd_connect_flags : 0; /* for post-condition
861 OBD_CHECK_DEV_ACTIVE(obd);
862 OBD_CHECK_DT_OP(obd, reconnect, 0);
863 OBD_COUNTER_INCREMENT(obd, reconnect);
865 rc = OBP(obd, reconnect)(env, exp, obd, cluuid, d, localdata);
866 /* check that only subset is granted */
867 LASSERT(ergo(d != NULL,
868 (d->ocd_connect_flags & ocf) == d->ocd_connect_flags));
872 static inline int obd_disconnect(struct obd_export *exp)
877 EXP_CHECK_DT_OP(exp, disconnect);
878 EXP_COUNTER_INCREMENT(exp, disconnect);
880 rc = OBP(exp->exp_obd, disconnect)(exp);
884 static inline int obd_fid_init(struct obd_export *exp)
889 OBD_CHECK_DT_OP(exp->exp_obd, fid_init, 0);
890 EXP_COUNTER_INCREMENT(exp, fid_init);
892 rc = OBP(exp->exp_obd, fid_init)(exp);
896 static inline int obd_fid_fini(struct obd_export *exp)
901 OBD_CHECK_DT_OP(exp->exp_obd, fid_fini, 0);
902 EXP_COUNTER_INCREMENT(exp, fid_fini);
904 rc = OBP(exp->exp_obd, fid_fini)(exp);
908 static inline int obd_fid_alloc(struct obd_export *exp,
910 struct md_op_data *op_data)
915 EXP_CHECK_DT_OP(exp, fid_alloc);
916 EXP_COUNTER_INCREMENT(exp, fid_alloc);
918 rc = OBP(exp->exp_obd, fid_alloc)(exp, fid, op_data);
922 static inline int obd_fid_delete(struct obd_export *exp,
923 const struct lu_fid *fid)
928 EXP_CHECK_DT_OP(exp, fid_delete);
929 EXP_COUNTER_INCREMENT(exp, fid_delete);
931 rc = OBP(exp->exp_obd, fid_delete)(exp, fid);
935 static inline int obd_ping(struct obd_export *exp)
940 OBD_CHECK_DT_OP(exp->exp_obd, ping, 0);
941 EXP_COUNTER_INCREMENT(exp, ping);
943 rc = OBP(exp->exp_obd, ping)(exp);
947 static inline int obd_pool_new(struct obd_device *obd, char *poolname)
952 OBD_CHECK_DT_OP(obd, pool_new, -EOPNOTSUPP);
953 OBD_COUNTER_INCREMENT(obd, pool_new);
955 rc = OBP(obd, pool_new)(obd, poolname);
959 static inline int obd_pool_del(struct obd_device *obd, char *poolname)
964 OBD_CHECK_DT_OP(obd, pool_del, -EOPNOTSUPP);
965 OBD_COUNTER_INCREMENT(obd, pool_del);
967 rc = OBP(obd, pool_del)(obd, poolname);
971 static inline int obd_pool_add(struct obd_device *obd, char *poolname, char *ostname)
976 OBD_CHECK_DT_OP(obd, pool_add, -EOPNOTSUPP);
977 OBD_COUNTER_INCREMENT(obd, pool_add);
979 rc = OBP(obd, pool_add)(obd, poolname, ostname);
983 static inline int obd_pool_rem(struct obd_device *obd, char *poolname, char *ostname)
988 OBD_CHECK_DT_OP(obd, pool_rem, -EOPNOTSUPP);
989 OBD_COUNTER_INCREMENT(obd, pool_rem);
991 rc = OBP(obd, pool_rem)(obd, poolname, ostname);
995 static inline void obd_getref(struct obd_device *obd)
998 if (OBT(obd) && OBP(obd, getref)) {
999 OBD_COUNTER_INCREMENT(obd, getref);
1000 OBP(obd, getref)(obd);
1005 static inline void obd_putref(struct obd_device *obd)
1008 if (OBT(obd) && OBP(obd, putref)) {
1009 OBD_COUNTER_INCREMENT(obd, putref);
1010 OBP(obd, putref)(obd);
1015 static inline int obd_init_export(struct obd_export *exp)
1020 if ((exp)->exp_obd != NULL && OBT((exp)->exp_obd) &&
1021 OBP((exp)->exp_obd, init_export))
1022 rc = OBP(exp->exp_obd, init_export)(exp);
1026 static inline int obd_destroy_export(struct obd_export *exp)
1029 if ((exp)->exp_obd != NULL && OBT((exp)->exp_obd) &&
1030 OBP((exp)->exp_obd, destroy_export))
1031 OBP(exp->exp_obd, destroy_export)(exp);
1035 static inline int obd_extent_calc(struct obd_export *exp,
1036 struct lov_stripe_md *md,
1037 int cmd, obd_off *offset)
1041 EXP_CHECK_DT_OP(exp, extent_calc);
1042 rc = OBP(exp->exp_obd, extent_calc)(exp, md, cmd, offset);
1046 static inline struct dentry *
1047 obd_lvfs_fid2dentry(struct obd_export *exp, __u64 id_ino, __u32 gen, __u64 gr)
1049 LASSERT(exp->exp_obd);
1051 return lvfs_fid2dentry(&exp->exp_obd->obd_lvfs_ctxt, id_ino, gen, gr,
1056 obd_lvfs_open_llog(struct obd_export *exp, __u64 id_ino, struct dentry *dentry)
1058 LASSERT(exp->exp_obd);
1059 CERROR("FIXME what's the story here? This needs to be an obd fn?\n");
1061 return lvfs_open_llog(&exp->exp_obd->obd_lvfs_ctxt, id_ino,
1062 dentry, exp->exp_obd);
1068 #define time_before(t1, t2) ((long)t2 - (long)t1 > 0)
1071 /* @max_age is the oldest time in jiffies that we accept using a cached data.
1072 * If the cache is older than @max_age we will get a new value from the
1073 * target. Use a value of "cfs_time_current() + HZ" to guarantee freshness. */
1074 static inline int obd_statfs_async(struct obd_device *obd,
1075 struct obd_info *oinfo,
1077 struct ptlrpc_request_set *rqset)
1085 OBD_CHECK_DT_OP(obd, statfs, -EOPNOTSUPP);
1086 OBD_COUNTER_INCREMENT(obd, statfs);
1088 CDEBUG(D_SUPER, "%s: osfs %p age "LPU64", max_age "LPU64"\n",
1089 obd->obd_name, &obd->obd_osfs, obd->obd_osfs_age, max_age);
1090 if (cfs_time_before_64(obd->obd_osfs_age, max_age)) {
1091 rc = OBP(obd, statfs_async)(obd, oinfo, max_age, rqset);
1093 CDEBUG(D_SUPER,"%s: use %p cache blocks "LPU64"/"LPU64
1094 " objects "LPU64"/"LPU64"\n",
1095 obd->obd_name, &obd->obd_osfs,
1096 obd->obd_osfs.os_bavail, obd->obd_osfs.os_blocks,
1097 obd->obd_osfs.os_ffree, obd->obd_osfs.os_files);
1098 spin_lock(&obd->obd_osfs_lock);
1099 memcpy(oinfo->oi_osfs, &obd->obd_osfs, sizeof(*oinfo->oi_osfs));
1100 spin_unlock(&obd->obd_osfs_lock);
1101 oinfo->oi_flags |= OBD_STATFS_FROM_CACHE;
1102 if (oinfo->oi_cb_up)
1103 oinfo->oi_cb_up(oinfo, 0);
1108 static inline int obd_statfs_rqset(struct obd_device *obd,
1109 struct obd_statfs *osfs, __u64 max_age,
1112 struct ptlrpc_request_set *set = NULL;
1113 struct obd_info oinfo = { { { 0 } } };
1117 set = ptlrpc_prep_set();
1121 oinfo.oi_osfs = osfs;
1122 oinfo.oi_flags = flags;
1123 rc = obd_statfs_async(obd, &oinfo, max_age, set);
1125 rc = ptlrpc_set_wait(set);
1126 ptlrpc_set_destroy(set);
1130 /* @max_age is the oldest time in jiffies that we accept using a cached data.
1131 * If the cache is older than @max_age we will get a new value from the
1132 * target. Use a value of "cfs_time_current() + HZ" to guarantee freshness. */
1133 static inline int obd_statfs(struct obd_device *obd, struct obd_statfs *osfs,
1134 __u64 max_age, __u32 flags)
1142 OBD_CHECK_DT_OP(obd, statfs, -EOPNOTSUPP);
1143 OBD_COUNTER_INCREMENT(obd, statfs);
1145 CDEBUG(D_SUPER, "osfs "LPU64", max_age "LPU64"\n",
1146 obd->obd_osfs_age, max_age);
1147 if (cfs_time_before_64(obd->obd_osfs_age, max_age)) {
1148 rc = OBP(obd, statfs)(obd, osfs, max_age, flags);
1150 spin_lock(&obd->obd_osfs_lock);
1151 memcpy(&obd->obd_osfs, osfs, sizeof(obd->obd_osfs));
1152 obd->obd_osfs_age = cfs_time_current_64();
1153 spin_unlock(&obd->obd_osfs_lock);
1156 CDEBUG(D_SUPER,"%s: use %p cache blocks "LPU64"/"LPU64
1157 " objects "LPU64"/"LPU64"\n",
1158 obd->obd_name, &obd->obd_osfs,
1159 obd->obd_osfs.os_bavail, obd->obd_osfs.os_blocks,
1160 obd->obd_osfs.os_ffree, obd->obd_osfs.os_files);
1161 spin_lock(&obd->obd_osfs_lock);
1162 memcpy(osfs, &obd->obd_osfs, sizeof(*osfs));
1163 spin_unlock(&obd->obd_osfs_lock);
1168 static inline int obd_sync(struct obd_export *exp, struct obdo *oa,
1169 struct lov_stripe_md *ea, obd_size start,
1170 obd_size end, void *capa)
1175 OBD_CHECK_DT_OP(exp->exp_obd, sync, -EOPNOTSUPP);
1176 EXP_COUNTER_INCREMENT(exp, sync);
1178 rc = OBP(exp->exp_obd, sync)(exp, oa, ea, start, end, capa);
1182 static inline int obd_punch_rqset(struct obd_export *exp,
1183 struct obd_info *oinfo,
1184 struct obd_trans_info *oti)
1186 struct ptlrpc_request_set *set = NULL;
1190 EXP_CHECK_DT_OP(exp, punch);
1191 EXP_COUNTER_INCREMENT(exp, punch);
1193 set = ptlrpc_prep_set();
1197 rc = OBP(exp->exp_obd, punch)(exp, oinfo, oti, set);
1199 rc = ptlrpc_set_wait(set);
1200 ptlrpc_set_destroy(set);
1204 static inline int obd_punch(struct obd_export *exp, struct obd_info *oinfo,
1205 struct obd_trans_info *oti,
1206 struct ptlrpc_request_set *rqset)
1211 EXP_CHECK_DT_OP(exp, punch);
1212 EXP_COUNTER_INCREMENT(exp, punch);
1214 rc = OBP(exp->exp_obd, punch)(exp, oinfo, oti, rqset);
1218 static inline int obd_brw(int cmd, struct obd_export *exp,
1219 struct obd_info *oinfo, obd_count oa_bufs,
1220 struct brw_page *pg, struct obd_trans_info *oti)
1225 EXP_CHECK_DT_OP(exp, brw);
1226 EXP_COUNTER_INCREMENT(exp, brw);
1228 if (!(cmd & (OBD_BRW_RWMASK | OBD_BRW_CHECK))) {
1229 CERROR("obd_brw: cmd must be OBD_BRW_READ, OBD_BRW_WRITE, "
1230 "or OBD_BRW_CHECK\n");
1234 rc = OBP(exp->exp_obd, brw)(cmd, exp, oinfo, oa_bufs, pg, oti);
1238 static inline int obd_preprw(int cmd, struct obd_export *exp, struct obdo *oa,
1239 int objcount, struct obd_ioobj *obj,
1240 struct niobuf_remote *remote, int *pages,
1241 struct niobuf_local *local,
1242 struct obd_trans_info *oti,
1243 struct lustre_capa *capa)
1248 EXP_CHECK_DT_OP(exp, preprw);
1249 EXP_COUNTER_INCREMENT(exp, preprw);
1251 rc = OBP(exp->exp_obd, preprw)(cmd, exp, oa, objcount, obj, remote,
1252 pages, local, oti, capa);
1256 static inline int obd_commitrw(int cmd, struct obd_export *exp, struct obdo *oa,
1257 int objcount, struct obd_ioobj *obj,
1258 struct niobuf_remote *rnb, int pages,
1259 struct niobuf_local *local,
1260 struct obd_trans_info *oti, int rc)
1264 EXP_CHECK_DT_OP(exp, commitrw);
1265 EXP_COUNTER_INCREMENT(exp, commitrw);
1267 rc = OBP(exp->exp_obd, commitrw)(cmd, exp, oa, objcount, obj,
1268 rnb, pages, local, oti, rc);
1272 static inline int obd_merge_lvb(struct obd_export *exp,
1273 struct lov_stripe_md *lsm,
1274 struct ost_lvb *lvb, int kms_only)
1279 EXP_CHECK_DT_OP(exp, merge_lvb);
1280 EXP_COUNTER_INCREMENT(exp, merge_lvb);
1282 rc = OBP(exp->exp_obd, merge_lvb)(exp, lsm, lvb, kms_only);
1286 static inline int obd_adjust_kms(struct obd_export *exp,
1287 struct lov_stripe_md *lsm, obd_off size,
1293 EXP_CHECK_DT_OP(exp, adjust_kms);
1294 EXP_COUNTER_INCREMENT(exp, adjust_kms);
1296 rc = OBP(exp->exp_obd, adjust_kms)(exp, lsm, size, shrink);
1300 static inline int obd_iocontrol(unsigned int cmd, struct obd_export *exp,
1301 int len, void *karg, void *uarg)
1306 EXP_CHECK_DT_OP(exp, iocontrol);
1307 EXP_COUNTER_INCREMENT(exp, iocontrol);
1309 rc = OBP(exp->exp_obd, iocontrol)(cmd, exp, len, karg, uarg);
1313 static inline int obd_enqueue_rqset(struct obd_export *exp,
1314 struct obd_info *oinfo,
1315 struct ldlm_enqueue_info *einfo)
1317 struct ptlrpc_request_set *set = NULL;
1321 EXP_CHECK_DT_OP(exp, enqueue);
1322 EXP_COUNTER_INCREMENT(exp, enqueue);
1324 set = ptlrpc_prep_set();
1328 rc = OBP(exp->exp_obd, enqueue)(exp, oinfo, einfo, set);
1330 rc = ptlrpc_set_wait(set);
1331 ptlrpc_set_destroy(set);
1335 static inline int obd_enqueue(struct obd_export *exp,
1336 struct obd_info *oinfo,
1337 struct ldlm_enqueue_info *einfo,
1338 struct ptlrpc_request_set *set)
1343 EXP_CHECK_DT_OP(exp, enqueue);
1344 EXP_COUNTER_INCREMENT(exp, enqueue);
1346 rc = OBP(exp->exp_obd, enqueue)(exp, oinfo, einfo, set);
1350 static inline int obd_change_cbdata(struct obd_export *exp,
1351 struct lov_stripe_md *lsm,
1352 ldlm_iterator_t it, void *data)
1357 EXP_CHECK_DT_OP(exp, change_cbdata);
1358 EXP_COUNTER_INCREMENT(exp, change_cbdata);
1360 rc = OBP(exp->exp_obd, change_cbdata)(exp, lsm, it, data);
1364 static inline int obd_cancel(struct obd_export *exp,
1365 struct lov_stripe_md *ea, __u32 mode,
1366 struct lustre_handle *lockh)
1371 EXP_CHECK_DT_OP(exp, cancel);
1372 EXP_COUNTER_INCREMENT(exp, cancel);
1374 rc = OBP(exp->exp_obd, cancel)(exp, ea, mode, lockh);
1378 static inline int obd_cancel_unused(struct obd_export *exp,
1379 struct lov_stripe_md *ea,
1380 int flags, void *opaque)
1385 EXP_CHECK_DT_OP(exp, cancel_unused);
1386 EXP_COUNTER_INCREMENT(exp, cancel_unused);
1388 rc = OBP(exp->exp_obd, cancel_unused)(exp, ea, flags, opaque);
1392 static inline int obd_pin(struct obd_export *exp, const struct lu_fid *fid,
1393 struct obd_capa *oc, struct obd_client_handle *handle,
1399 EXP_CHECK_DT_OP(exp, pin);
1400 EXP_COUNTER_INCREMENT(exp, pin);
1402 rc = OBP(exp->exp_obd, pin)(exp, fid, oc, handle, flag);
1406 static inline int obd_unpin(struct obd_export *exp,
1407 struct obd_client_handle *handle, int flag)
1412 EXP_CHECK_DT_OP(exp, unpin);
1413 EXP_COUNTER_INCREMENT(exp, unpin);
1415 rc = OBP(exp->exp_obd, unpin)(exp, handle, flag);
1420 static inline void obd_import_event(struct obd_device *obd,
1421 struct obd_import *imp,
1422 enum obd_import_event event)
1426 CERROR("NULL device\n");
1430 if (obd->obd_set_up && OBP(obd, import_event)) {
1431 OBD_COUNTER_INCREMENT(obd, import_event);
1432 OBP(obd, import_event)(obd, imp, event);
1437 static inline int obd_llog_connect(struct obd_export *exp,
1438 struct llogd_conn_body *body)
1443 OBD_CHECK_DT_OP(exp->exp_obd, llog_connect, 0);
1444 EXP_COUNTER_INCREMENT(exp, llog_connect);
1446 rc = OBP(exp->exp_obd, llog_connect)(exp, body);
1451 static inline int obd_notify(struct obd_device *obd,
1452 struct obd_device *watched,
1453 enum obd_notify_event ev,
1460 /* the check for async_recov is a complete hack - I'm hereby
1461 overloading the meaning to also mean "this was called from
1462 mds_postsetup". I know that my mds is able to handle notifies
1463 by this point, and it needs to get them to execute mds_postrecov. */
1464 if (!obd->obd_set_up && !obd->obd_async_recov) {
1465 CDEBUG(D_HA, "obd %s not set up\n", obd->obd_name);
1469 if (!OBP(obd, notify)) {
1470 CERROR("obd %s has no notify handler\n", obd->obd_name);
1474 OBD_COUNTER_INCREMENT(obd, notify);
1475 rc = OBP(obd, notify)(obd, watched, ev, data);
1479 static inline int obd_notify_observer(struct obd_device *observer,
1480 struct obd_device *observed,
1481 enum obd_notify_event ev,
1487 struct obd_notify_upcall *onu;
1489 if (observer->obd_observer)
1490 rc1 = obd_notify(observer->obd_observer, observed, ev, data);
1494 * Also, call non-obd listener, if any
1496 onu = &observer->obd_upcall;
1497 if (onu->onu_upcall != NULL)
1498 rc2 = onu->onu_upcall(observer, observed, ev,
1499 onu->onu_owner, NULL);
1503 return rc1 ? rc1 : rc2;
1506 static inline int obd_quotacheck(struct obd_export *exp,
1507 struct obd_quotactl *oqctl)
1512 EXP_CHECK_DT_OP(exp, quotacheck);
1513 EXP_COUNTER_INCREMENT(exp, quotacheck);
1515 rc = OBP(exp->exp_obd, quotacheck)(exp->exp_obd, exp, oqctl);
1519 static inline int obd_quotactl(struct obd_export *exp,
1520 struct obd_quotactl *oqctl)
1525 EXP_CHECK_DT_OP(exp, quotactl);
1526 EXP_COUNTER_INCREMENT(exp, quotactl);
1528 rc = OBP(exp->exp_obd, quotactl)(exp->exp_obd, exp, oqctl);
1532 static inline int obd_quota_adjust_qunit(struct obd_export *exp,
1533 struct quota_adjust_qunit *oqaq,
1534 struct lustre_quota_ctxt *qctxt)
1536 #if defined(LPROCFS) && defined(HAVE_QUOTA_SUPPORT)
1537 struct timeval work_start;
1538 struct timeval work_end;
1544 #if defined(LPROCFS) && defined(HAVE_QUOTA_SUPPORT)
1546 do_gettimeofday(&work_start);
1548 EXP_CHECK_DT_OP(exp, quota_adjust_qunit);
1549 EXP_COUNTER_INCREMENT(exp, quota_adjust_qunit);
1551 rc = OBP(exp->exp_obd, quota_adjust_qunit)(exp, oqaq, qctxt);
1553 #if defined(LPROCFS) && defined(HAVE_QUOTA_SUPPORT)
1555 do_gettimeofday(&work_end);
1556 timediff = cfs_timeval_sub(&work_end, &work_start, NULL);
1557 lprocfs_counter_add(qctxt->lqc_stats, LQUOTA_ADJUST_QUNIT,
1564 static inline int obd_health_check(struct obd_device *obd)
1566 /* returns: 0 on healthy
1567 * >0 on unhealthy + reason code/flag
1568 * however the only suppored reason == 1 right now
1569 * We'll need to define some better reasons
1570 * or flags in the future.
1576 /* don't use EXP_CHECK_DT_OP, because NULL method is normal here */
1577 if (obd == NULL || !OBT(obd)) {
1578 CERROR("cleaned up obd\n");
1579 RETURN(-EOPNOTSUPP);
1581 if (!obd->obd_set_up || obd->obd_stopping)
1583 if (!OBP(obd, health_check))
1586 rc = OBP(obd, health_check)(obd);
1590 static inline int obd_register_observer(struct obd_device *obd,
1591 struct obd_device *observer)
1595 if (obd->obd_observer && observer)
1597 obd->obd_observer = observer;
1602 static inline int obd_register_page_removal_cb(struct obd_export *exp,
1603 obd_page_removal_cb_t cb,
1604 obd_pin_extent_cb pin_cb)
1609 OBD_CHECK_DT_OP(exp->exp_obd, register_page_removal_cb, 0);
1610 OBD_COUNTER_INCREMENT(exp->exp_obd, register_page_removal_cb);
1612 rc = OBP(exp->exp_obd, register_page_removal_cb)(exp, cb, pin_cb);
1616 static inline int obd_unregister_page_removal_cb(struct obd_export *exp,
1617 obd_page_removal_cb_t cb)
1622 OBD_CHECK_DT_OP(exp->exp_obd, unregister_page_removal_cb, 0);
1623 OBD_COUNTER_INCREMENT(exp->exp_obd, unregister_page_removal_cb);
1625 rc = OBP(exp->exp_obd, unregister_page_removal_cb)(exp, cb);
1629 static inline int obd_register_lock_cancel_cb(struct obd_export *exp,
1630 obd_lock_cancel_cb cb)
1635 OBD_CHECK_DT_OP(exp->exp_obd, register_lock_cancel_cb, 0);
1636 OBD_COUNTER_INCREMENT(exp->exp_obd, register_lock_cancel_cb);
1638 rc = OBP(exp->exp_obd, register_lock_cancel_cb)(exp, cb);
1642 static inline int obd_unregister_lock_cancel_cb(struct obd_export *exp,
1643 obd_lock_cancel_cb cb)
1648 OBD_CHECK_DT_OP(exp->exp_obd, unregister_lock_cancel_cb, 0);
1649 OBD_COUNTER_INCREMENT(exp->exp_obd, unregister_lock_cancel_cb);
1651 rc = OBP(exp->exp_obd, unregister_lock_cancel_cb)(exp, cb);
1656 /* metadata helpers */
1657 static inline int md_getstatus(struct obd_export *exp,
1658 struct lu_fid *fid, struct obd_capa **pc)
1663 EXP_CHECK_MD_OP(exp, getstatus);
1664 EXP_MD_COUNTER_INCREMENT(exp, getstatus);
1665 rc = MDP(exp->exp_obd, getstatus)(exp, fid, pc);
1669 static inline int md_getattr(struct obd_export *exp, const struct lu_fid *fid,
1670 struct obd_capa *oc, obd_valid valid, int ea_size,
1671 struct ptlrpc_request **request)
1675 EXP_CHECK_MD_OP(exp, getattr);
1676 EXP_MD_COUNTER_INCREMENT(exp, getattr);
1677 rc = MDP(exp->exp_obd, getattr)(exp, fid, oc, valid,
1682 static inline int md_change_cbdata(struct obd_export *exp,
1683 const struct lu_fid *fid,
1684 ldlm_iterator_t it, void *data)
1688 EXP_CHECK_MD_OP(exp, change_cbdata);
1689 EXP_MD_COUNTER_INCREMENT(exp, change_cbdata);
1690 rc = MDP(exp->exp_obd, change_cbdata)(exp, fid, it, data);
1694 static inline int md_close(struct obd_export *exp, struct md_op_data *op_data,
1695 struct md_open_data *mod,
1696 struct ptlrpc_request **request)
1700 EXP_CHECK_MD_OP(exp, close);
1701 EXP_MD_COUNTER_INCREMENT(exp, close);
1702 rc = MDP(exp->exp_obd, close)(exp, op_data, mod, request);
1706 static inline int md_create(struct obd_export *exp, struct md_op_data *op_data,
1707 const void *data, int datalen, int mode, __u32 uid,
1708 __u32 gid, cfs_cap_t cap_effective, __u64 rdev,
1709 struct ptlrpc_request **request)
1713 EXP_CHECK_MD_OP(exp, create);
1714 EXP_MD_COUNTER_INCREMENT(exp, create);
1715 rc = MDP(exp->exp_obd, create)(exp, op_data, data, datalen, mode,
1716 uid, gid, cap_effective, rdev, request);
1720 static inline int md_done_writing(struct obd_export *exp,
1721 struct md_op_data *op_data,
1722 struct md_open_data *mod)
1726 EXP_CHECK_MD_OP(exp, done_writing);
1727 EXP_MD_COUNTER_INCREMENT(exp, done_writing);
1728 rc = MDP(exp->exp_obd, done_writing)(exp, op_data, mod);
1732 static inline int md_enqueue(struct obd_export *exp,
1733 struct ldlm_enqueue_info *einfo,
1734 struct lookup_intent *it,
1735 struct md_op_data *op_data,
1736 struct lustre_handle *lockh,
1737 void *lmm, int lmmsize,
1738 struct ptlrpc_request **req,
1739 int extra_lock_flags)
1743 EXP_CHECK_MD_OP(exp, enqueue);
1744 EXP_MD_COUNTER_INCREMENT(exp, enqueue);
1745 rc = MDP(exp->exp_obd, enqueue)(exp, einfo, it, op_data, lockh,
1746 lmm, lmmsize, req, extra_lock_flags);
1750 static inline int md_getattr_name(struct obd_export *exp,
1751 const struct lu_fid *fid, struct obd_capa *oc,
1752 const char *name, int namelen,
1753 obd_valid valid, int ea_size, __u32 suppgid,
1754 struct ptlrpc_request **request)
1758 EXP_CHECK_MD_OP(exp, getattr_name);
1759 EXP_MD_COUNTER_INCREMENT(exp, getattr_name);
1760 rc = MDP(exp->exp_obd, getattr_name)(exp, fid, oc, name, namelen,
1761 valid, ea_size, suppgid, request);
1765 static inline int md_intent_lock(struct obd_export *exp,
1766 struct md_op_data *op_data, void *lmm,
1767 int lmmsize, struct lookup_intent *it,
1768 int flags, struct ptlrpc_request **reqp,
1769 ldlm_blocking_callback cb_blocking,
1770 int extra_lock_flags)
1774 EXP_CHECK_MD_OP(exp, intent_lock);
1775 EXP_MD_COUNTER_INCREMENT(exp, intent_lock);
1776 rc = MDP(exp->exp_obd, intent_lock)(exp, op_data, lmm, lmmsize,
1777 it, flags, reqp, cb_blocking,
1782 static inline int md_link(struct obd_export *exp, struct md_op_data *op_data,
1783 struct ptlrpc_request **request)
1787 EXP_CHECK_MD_OP(exp, link);
1788 EXP_MD_COUNTER_INCREMENT(exp, link);
1789 rc = MDP(exp->exp_obd, link)(exp, op_data, request);
1793 static inline int md_rename(struct obd_export *exp, struct md_op_data *op_data,
1794 const char *old, int oldlen, const char *new,
1795 int newlen, struct ptlrpc_request **request)
1799 EXP_CHECK_MD_OP(exp, rename);
1800 EXP_MD_COUNTER_INCREMENT(exp, rename);
1801 rc = MDP(exp->exp_obd, rename)(exp, op_data, old, oldlen, new,
1806 static inline int md_is_subdir(struct obd_export *exp,
1807 const struct lu_fid *pfid,
1808 const struct lu_fid *cfid,
1809 struct ptlrpc_request **request)
1813 EXP_CHECK_MD_OP(exp, is_subdir);
1814 EXP_MD_COUNTER_INCREMENT(exp, is_subdir);
1815 rc = MDP(exp->exp_obd, is_subdir)(exp, pfid, cfid, request);
1819 static inline int md_setattr(struct obd_export *exp, struct md_op_data *op_data,
1820 void *ea, int ealen, void *ea2, int ea2len,
1821 struct ptlrpc_request **request,
1822 struct md_open_data **mod)
1826 EXP_CHECK_MD_OP(exp, setattr);
1827 EXP_MD_COUNTER_INCREMENT(exp, setattr);
1828 rc = MDP(exp->exp_obd, setattr)(exp, op_data, ea, ealen,
1829 ea2, ea2len, request, mod);
1833 static inline int md_sync(struct obd_export *exp, const struct lu_fid *fid,
1834 struct obd_capa *oc, struct ptlrpc_request **request)
1838 EXP_CHECK_MD_OP(exp, sync);
1839 EXP_MD_COUNTER_INCREMENT(exp, sync);
1840 rc = MDP(exp->exp_obd, sync)(exp, fid, oc, request);
1844 static inline int md_readpage(struct obd_export *exp, const struct lu_fid *fid,
1845 struct obd_capa *oc, __u64 offset,
1847 struct ptlrpc_request **request)
1851 EXP_CHECK_MD_OP(exp, readpage);
1852 EXP_MD_COUNTER_INCREMENT(exp, readpage);
1853 rc = MDP(exp->exp_obd, readpage)(exp, fid, oc, offset, page, request);
1857 static inline int md_unlink(struct obd_export *exp, struct md_op_data *op_data,
1858 struct ptlrpc_request **request)
1862 EXP_CHECK_MD_OP(exp, unlink);
1863 EXP_MD_COUNTER_INCREMENT(exp, unlink);
1864 rc = MDP(exp->exp_obd, unlink)(exp, op_data, request);
1868 static inline int md_get_lustre_md(struct obd_export *exp,
1869 struct ptlrpc_request *req,
1870 struct obd_export *dt_exp,
1871 struct obd_export *md_exp,
1872 struct lustre_md *md)
1875 EXP_CHECK_MD_OP(exp, get_lustre_md);
1876 EXP_MD_COUNTER_INCREMENT(exp, get_lustre_md);
1877 RETURN(MDP(exp->exp_obd, get_lustre_md)(exp, req, dt_exp, md_exp, md));
1880 static inline int md_free_lustre_md(struct obd_export *exp,
1881 struct lustre_md *md)
1884 EXP_CHECK_MD_OP(exp, free_lustre_md);
1885 EXP_MD_COUNTER_INCREMENT(exp, free_lustre_md);
1886 RETURN(MDP(exp->exp_obd, free_lustre_md)(exp, md));
1889 static inline int md_setxattr(struct obd_export *exp,
1890 const struct lu_fid *fid, struct obd_capa *oc,
1891 obd_valid valid, const char *name,
1892 const char *input, int input_size,
1893 int output_size, int flags, __u32 suppgid,
1894 struct ptlrpc_request **request)
1897 EXP_CHECK_MD_OP(exp, setxattr);
1898 EXP_MD_COUNTER_INCREMENT(exp, setxattr);
1899 RETURN(MDP(exp->exp_obd, setxattr)(exp, fid, oc, valid, name, input,
1900 input_size, output_size, flags,
1904 static inline int md_getxattr(struct obd_export *exp,
1905 const struct lu_fid *fid, struct obd_capa *oc,
1906 obd_valid valid, const char *name,
1907 const char *input, int input_size,
1908 int output_size, int flags,
1909 struct ptlrpc_request **request)
1912 EXP_CHECK_MD_OP(exp, getxattr);
1913 EXP_MD_COUNTER_INCREMENT(exp, getxattr);
1914 RETURN(MDP(exp->exp_obd, getxattr)(exp, fid, oc, valid, name, input,
1915 input_size, output_size, flags,
1919 static inline int md_set_open_replay_data(struct obd_export *exp,
1920 struct obd_client_handle *och,
1921 struct ptlrpc_request *open_req)
1924 EXP_CHECK_MD_OP(exp, set_open_replay_data);
1925 EXP_MD_COUNTER_INCREMENT(exp, set_open_replay_data);
1926 RETURN(MDP(exp->exp_obd, set_open_replay_data)(exp, och, open_req));
1929 static inline int md_clear_open_replay_data(struct obd_export *exp,
1930 struct obd_client_handle *och)
1933 EXP_CHECK_MD_OP(exp, clear_open_replay_data);
1934 EXP_MD_COUNTER_INCREMENT(exp, clear_open_replay_data);
1935 RETURN(MDP(exp->exp_obd, clear_open_replay_data)(exp, och));
1938 static inline int md_set_lock_data(struct obd_export *exp,
1939 __u64 *lockh, void *data)
1942 EXP_CHECK_MD_OP(exp, set_lock_data);
1943 EXP_MD_COUNTER_INCREMENT(exp, set_lock_data);
1944 RETURN(MDP(exp->exp_obd, set_lock_data)(exp, lockh, data));
1947 static inline int md_cancel_unused(struct obd_export *exp,
1948 const struct lu_fid *fid,
1949 ldlm_policy_data_t *policy,
1950 ldlm_mode_t mode, int flags, void *opaque)
1955 EXP_CHECK_MD_OP(exp, cancel_unused);
1956 EXP_MD_COUNTER_INCREMENT(exp, cancel_unused);
1958 rc = MDP(exp->exp_obd, cancel_unused)(exp, fid, policy, mode,
1963 static inline ldlm_mode_t md_lock_match(struct obd_export *exp, int flags,
1964 const struct lu_fid *fid,
1966 ldlm_policy_data_t *policy,
1968 struct lustre_handle *lockh)
1971 EXP_CHECK_MD_OP(exp, lock_match);
1972 EXP_MD_COUNTER_INCREMENT(exp, lock_match);
1973 RETURN(MDP(exp->exp_obd, lock_match)(exp, flags, fid, type,
1974 policy, mode, lockh));
1977 static inline int md_init_ea_size(struct obd_export *exp, int easize,
1978 int def_asize, int cookiesize)
1981 EXP_CHECK_MD_OP(exp, init_ea_size);
1982 EXP_MD_COUNTER_INCREMENT(exp, init_ea_size);
1983 RETURN(MDP(exp->exp_obd, init_ea_size)(exp, easize, def_asize,
1987 static inline int md_get_remote_perm(struct obd_export *exp,
1988 const struct lu_fid *fid,
1989 struct obd_capa *oc, __u32 suppgid,
1990 struct ptlrpc_request **request)
1993 EXP_CHECK_MD_OP(exp, get_remote_perm);
1994 EXP_MD_COUNTER_INCREMENT(exp, get_remote_perm);
1995 RETURN(MDP(exp->exp_obd, get_remote_perm)(exp, fid, oc, suppgid,
1999 static inline int md_renew_capa(struct obd_export *exp, struct obd_capa *ocapa,
2004 EXP_CHECK_MD_OP(exp, renew_capa);
2005 EXP_MD_COUNTER_INCREMENT(exp, renew_capa);
2006 rc = MDP(exp->exp_obd, renew_capa)(exp, ocapa, cb);
2010 static inline int md_unpack_capa(struct obd_export *exp,
2011 struct ptlrpc_request *req,
2012 const struct req_msg_field *field,
2013 struct obd_capa **oc)
2017 EXP_CHECK_MD_OP(exp, unpack_capa);
2018 EXP_MD_COUNTER_INCREMENT(exp, unpack_capa);
2019 rc = MDP(exp->exp_obd, unpack_capa)(exp, req, field, oc);
2023 static inline int md_intent_getattr_async(struct obd_export *exp,
2024 struct md_enqueue_info *minfo,
2025 struct ldlm_enqueue_info *einfo)
2029 EXP_CHECK_MD_OP(exp, intent_getattr_async);
2030 EXP_MD_COUNTER_INCREMENT(exp, intent_getattr_async);
2031 rc = MDP(exp->exp_obd, intent_getattr_async)(exp, minfo, einfo);
2035 static inline int md_revalidate_lock(struct obd_export *exp,
2036 struct lookup_intent *it,
2041 EXP_CHECK_MD_OP(exp, revalidate_lock);
2042 EXP_MD_COUNTER_INCREMENT(exp, revalidate_lock);
2043 rc = MDP(exp->exp_obd, revalidate_lock)(exp, it, fid);
2048 /* OBD Metadata Support */
2050 extern int obd_init_caches(void);
2051 extern void obd_cleanup_caches(void);
2053 /* support routines */
2054 extern cfs_mem_cache_t *obdo_cachep;
2056 #define OBDO_ALLOC(ptr) \
2058 OBD_SLAB_ALLOC_PTR((ptr), obdo_cachep); \
2061 #define OBDO_FREE(ptr) \
2063 OBD_SLAB_FREE_PTR((ptr), obdo_cachep); \
2067 static inline void obdo2fid(struct obdo *oa, struct lu_fid *fid)
2069 /* something here */
2072 static inline void fid2obdo(struct lu_fid *fid, struct obdo *oa)
2074 /* something here */
2077 /* I'm as embarrassed about this as you are.
2079 * <shaver> // XXX do not look into _superhack with remaining eye
2080 * <shaver> // XXX if this were any uglier, I'd get my own show on MTV */
2081 extern int (*ptlrpc_put_connection_superhack)(struct ptlrpc_connection *c);
2084 extern void obd_sysctl_init (void);
2085 extern void obd_sysctl_clean (void);
2088 typedef __u8 class_uuid_t[16];
2089 void class_uuid_unparse(class_uuid_t in, struct obd_uuid *out);
2092 int lustre_uuid_to_peer(const char *uuid, lnet_nid_t *peer_nid, int index);
2093 int class_add_uuid(const char *uuid, __u64 nid);
2094 int class_del_uuid (const char *uuid);
2095 void class_init_uuidlist(void);
2096 void class_exit_uuidlist(void);
2099 int mea_name2idx(struct lmv_stripe_md *mea, const char *name, int namelen);
2100 int raw_name2idx(int hashtype, int count, const char *name, int namelen);
2103 void ll_generate_random_uuid(class_uuid_t uuid_out);
2105 #endif /* __LINUX_OBD_CLASS_H */