1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
4 * Copyright (C) 2001-2003 Cluster File Systems, Inc.
6 * This file is part of Lustre, http://www.lustre.org.
8 * Lustre is free software; you can redistribute it and/or
9 * modify it under the terms of version 2 of the GNU General Public
10 * License as published by the Free Software Foundation.
12 * Lustre is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Lustre; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 # include <liblustre.h>
29 #include <obd_support.h>
30 #include <lustre_import.h>
31 #include <lustre_net.h>
33 #include <lustre_lib.h>
34 #include <lustre/lustre_idl.h>
35 #include <lprocfs_status.h>
37 #if defined(__linux__)
38 #include <linux/obd_class.h>
39 #elif defined(__APPLE__)
40 #include <darwin/obd_class.h>
41 #elif defined(__WINNT__)
42 #include <winnt/obd_class.h>
44 #error Unsupported operating system.
47 /* OBD Device Declarations */
48 extern struct obd_device *obd_devs[MAX_OBD_DEVICES];
49 extern spinlock_t obd_dev_lock;
51 /* OBD Operations Declarations */
52 extern struct obd_device *class_conn2obd(struct lustre_handle *);
53 extern struct obd_device *class_exp2obd(struct obd_export *);
55 struct lu_device_type;
58 struct obd_export *class_conn2export(struct lustre_handle *);
59 int class_register_type(struct obd_ops *, struct md_ops *,
60 struct lprocfs_vars *, const char *nm,
61 struct lu_device_type *ldt);
62 int class_unregister_type(const char *nm);
64 struct obd_device *class_newdev(const char *type_name, const char *name);
65 void class_release_dev(struct obd_device *obd);
67 int class_name2dev(const char *name);
68 struct obd_device *class_name2obd(const char *name);
69 int class_uuid2dev(struct obd_uuid *uuid);
70 struct obd_device *class_uuid2obd(struct obd_uuid *uuid);
71 void class_obd_list(void);
72 struct obd_device * class_find_client_obd(struct obd_uuid *tgt_uuid,
73 const char * typ_name,
74 struct obd_uuid *grp_uuid);
75 struct obd_device * class_find_client_notype(struct obd_uuid *tgt_uuid,
76 struct obd_uuid *grp_uuid);
77 struct obd_device * class_devices_in_group(struct obd_uuid *grp_uuid,
79 struct obd_device * class_num2obd(int num);
81 int oig_init(struct obd_io_group **oig);
82 int oig_add_one(struct obd_io_group *oig, struct oig_callback_context *occ);
83 void oig_complete_one(struct obd_io_group *oig,
84 struct oig_callback_context *occ, int rc);
85 void oig_release(struct obd_io_group *oig);
86 int oig_wait(struct obd_io_group *oig);
88 char *obd_export_nid2str(struct obd_export *exp);
90 int obd_export_evict_by_nid(struct obd_device *obd, const char *nid);
91 int obd_export_evict_by_uuid(struct obd_device *obd, const char *uuid);
93 int obd_zombie_impexp_init(void);
94 void obd_zombie_impexp_stop(void);
95 void obd_zombie_impexp_cull(void);
98 int class_process_config(struct lustre_cfg *lcfg);
99 int class_process_proc_param(char *prefix, struct lprocfs_vars *lvars,
100 struct lustre_cfg *lcfg, void *data);
101 int class_attach(struct lustre_cfg *lcfg);
102 int class_setup(struct obd_device *obd, struct lustre_cfg *lcfg);
103 int class_cleanup(struct obd_device *obd, struct lustre_cfg *lcfg);
104 int class_detach(struct obd_device *obd, struct lustre_cfg *lcfg);
105 struct obd_device *class_incref(struct obd_device *obd);
106 void class_decref(struct obd_device *obd);
110 extern void lprocfs_echo_init_vars(struct lprocfs_static_vars *lvars);
112 static inline void lprocfs_echo_init_vars(struct lprocfs_static_vars *lvars)
114 memset(lvars, 0, sizeof(*lvars));
118 #define CFG_F_START 0x01 /* Set when we start updating from a log */
119 #define CFG_F_MARKER 0x02 /* We are within a maker */
120 #define CFG_F_SKIP 0x04 /* We should ignore this cfg command */
121 #define CFG_F_COMPAT146 0x08 /* Allow old-style logs */
122 #define CFG_F_EXCLUDE 0x10 /* OST exclusion list */
124 /* Passed as data param to class_config_parse_llog */
125 struct config_llog_instance {
127 struct super_block *cfg_sb;
128 struct obd_uuid cfg_uuid;
129 int cfg_last_idx; /* for partial llog processing */
132 int class_config_parse_llog(struct llog_ctxt *ctxt, char *name,
133 struct config_llog_instance *cfg);
134 int class_config_dump_llog(struct llog_ctxt *ctxt, char *name,
135 struct config_llog_instance *cfg);
137 /* list of active configuration logs */
138 struct config_llog_data {
140 struct ldlm_res_id cld_resid;
141 struct config_llog_instance cld_cfg;
142 struct list_head cld_list_chain;
143 atomic_t cld_refcount;
144 struct obd_export *cld_mgcexp;
145 unsigned int cld_stopping:1, /* we were told to stop watching */
146 cld_lostlock:1; /* lock not requeued */
149 struct lustre_profile {
150 struct list_head lp_list;
156 struct lustre_profile *class_get_profile(const char * prof);
157 void class_del_profile(const char *prof);
158 void class_del_profiles(void);
160 #define class_export_rpc_get(exp) \
162 atomic_inc(&(exp)->exp_rpc_count); \
163 CDEBUG(D_INFO, "RPC GETting export %p : new rpc_count %d\n", \
164 (exp), atomic_read(&(exp)->exp_rpc_count)); \
165 class_export_get(exp); \
168 #define class_export_rpc_put(exp) \
170 atomic_dec(&(exp)->exp_rpc_count); \
171 CDEBUG(D_INFO, "RPC PUTting export %p : new rpc_count %d\n", \
172 (exp), atomic_read(&(exp)->exp_rpc_count)); \
173 class_export_put(exp); \
177 #define class_export_get(exp) \
179 struct obd_export *exp_ = exp; \
180 atomic_inc(&exp_->exp_refcount); \
181 CDEBUG(D_INFO, "GETting export %p : new refcount %d\n", exp_, \
182 atomic_read(&exp_->exp_refcount)); \
186 #define class_export_put(exp) \
188 LASSERT((exp) != NULL); \
189 CDEBUG(D_INFO, "PUTting export %p : new refcount %d\n", (exp), \
190 atomic_read(&(exp)->exp_refcount) - 1); \
191 LASSERT(atomic_read(&(exp)->exp_refcount) > 0); \
192 LASSERT(atomic_read(&(exp)->exp_refcount) < 0x5a5a5a); \
193 __class_export_put(exp); \
196 void __class_export_put(struct obd_export *);
197 struct obd_export *class_new_export(struct obd_device *obddev,
198 struct obd_uuid *cluuid);
199 void class_unlink_export(struct obd_export *exp);
201 struct obd_import *class_import_get(struct obd_import *);
202 void class_import_put(struct obd_import *);
203 struct obd_import *class_new_import(struct obd_device *obd);
204 void class_destroy_import(struct obd_import *exp);
206 struct obd_type *class_search_type(const char *name);
207 struct obd_type *class_get_type(const char *name);
208 void class_put_type(struct obd_type *type);
209 int class_connect(struct lustre_handle *conn, struct obd_device *obd,
210 struct obd_uuid *cluuid);
211 int class_disconnect(struct obd_export *exp);
212 void class_fail_export(struct obd_export *exp);
213 void class_disconnect_exports(struct obd_device *obddev);
214 int class_disconnect_stale_exports(struct obd_device *,
215 int (*test_export)(struct obd_export *));
216 int class_manual_cleanup(struct obd_device *obd);
218 void obdo_cpy_md(struct obdo *dst, struct obdo *src, obd_flag valid);
219 void obdo_to_ioobj(struct obdo *oa, struct obd_ioobj *ioobj);
220 void obdo_from_iattr(struct obdo *oa, struct iattr *attr,
221 unsigned int ia_valid);
222 void iattr_from_obdo(struct iattr *attr, struct obdo *oa, obd_flag valid);
223 void md_from_obdo(struct md_op_data *op_data, struct obdo *oa, obd_flag valid);
224 void obdo_from_md(struct obdo *oa, struct md_op_data *op_data,
227 #define OBT(dev) (dev)->obd_type
228 #define OBP(dev, op) (dev)->obd_type->typ_dt_ops->o_ ## op
229 #define MDP(dev, op) (dev)->obd_type->typ_md_ops->m_ ## op
230 #define CTXTP(ctxt, op) (ctxt)->loc_logops->lop_##op
232 /* Ensure obd_setup: used for cleanup which must be called
233 while obd is stopping */
234 #define OBD_CHECK_DEV(obd) \
237 CERROR("NULL device\n"); \
242 /* ensure obd_setup and !obd_stopping */
243 #define OBD_CHECK_DEV_ACTIVE(obd) \
245 OBD_CHECK_DEV(obd); \
246 if (!(obd)->obd_set_up || (obd)->obd_stopping) { \
247 CERROR("Device %d not setup\n", \
255 #define OBD_COUNTER_OFFSET(op) \
256 ((offsetof(struct obd_ops, o_ ## op) - \
257 offsetof(struct obd_ops, o_iocontrol)) \
258 / sizeof(((struct obd_ops *)(0))->o_iocontrol))
260 #define OBD_COUNTER_INCREMENT(obdx, op) \
261 if ((obdx)->obd_stats != NULL) { \
262 unsigned int coffset; \
263 coffset = (unsigned int)((obdx)->obd_cntr_base) + \
264 OBD_COUNTER_OFFSET(op); \
265 LASSERT(coffset < (obdx)->obd_stats->ls_num); \
266 lprocfs_counter_incr((obdx)->obd_stats, coffset); \
269 #define EXP_COUNTER_INCREMENT(export, op) \
270 if ((export)->exp_obd->obd_stats != NULL) { \
271 unsigned int coffset; \
272 coffset = (unsigned int)((export)->exp_obd->obd_cntr_base) + \
273 OBD_COUNTER_OFFSET(op); \
274 LASSERT(coffset < (export)->exp_obd->obd_stats->ls_num); \
275 lprocfs_counter_incr((export)->exp_obd->obd_stats, coffset); \
276 if ((export)->exp_nid_stats != NULL && \
277 (export)->exp_nid_stats->nid_stats != NULL) \
278 lprocfs_counter_incr( \
279 (export)->exp_nid_stats->nid_stats, coffset);\
282 #define MD_COUNTER_OFFSET(op) \
283 ((offsetof(struct md_ops, m_ ## op) - \
284 offsetof(struct md_ops, m_getstatus)) \
285 / sizeof(((struct md_ops *)(0))->m_getstatus))
287 #define MD_COUNTER_INCREMENT(obdx, op) \
288 if ((obd)->md_stats != NULL) { \
289 unsigned int coffset; \
290 coffset = (unsigned int)((obdx)->md_cntr_base) + \
291 MD_COUNTER_OFFSET(op); \
292 LASSERT(coffset < (obdx)->md_stats->ls_num); \
293 lprocfs_counter_incr((obdx)->md_stats, coffset); \
296 #define EXP_MD_COUNTER_INCREMENT(export, op) \
297 if ((export)->exp_obd->obd_stats != NULL) { \
298 unsigned int coffset; \
299 coffset = (unsigned int)((export)->exp_obd->md_cntr_base) + \
300 MD_COUNTER_OFFSET(op); \
301 LASSERT(coffset < (export)->exp_obd->md_stats->ls_num); \
302 lprocfs_counter_incr((export)->exp_obd->md_stats, coffset); \
303 if ((export)->exp_md_stats != NULL) \
304 lprocfs_counter_incr( \
305 (export)->exp_md_stats, coffset); \
309 #define OBD_COUNTER_OFFSET(op)
310 #define OBD_COUNTER_INCREMENT(obd, op)
311 #define EXP_COUNTER_INCREMENT(exp, op)
312 #define MD_COUNTER_INCREMENT(obd, op)
313 #define EXP_MD_COUNTER_INCREMENT(exp, op)
316 #define OBD_CHECK_MD_OP(obd, op, err) \
318 if (!OBT(obd) || !MDP((obd), op)) { \
320 CERROR("md_" #op ": dev %s/%d no operation\n", \
321 obd->obd_name, obd->obd_minor); \
326 #define EXP_CHECK_MD_OP(exp, op) \
328 if ((exp) == NULL) { \
329 CERROR("obd_" #op ": NULL export\n"); \
332 if ((exp)->exp_obd == NULL || !OBT((exp)->exp_obd)) { \
333 CERROR("obd_" #op ": cleaned up obd\n"); \
334 RETURN(-EOPNOTSUPP); \
336 if (!OBT((exp)->exp_obd) || !MDP((exp)->exp_obd, op)) { \
337 CERROR("obd_" #op ": dev %s/%d no operation\n", \
338 (exp)->exp_obd->obd_name, \
339 (exp)->exp_obd->obd_minor); \
340 RETURN(-EOPNOTSUPP); \
345 #define OBD_CHECK_DT_OP(obd, op, err) \
347 if (!OBT(obd) || !OBP((obd), op)) { \
349 CERROR("obd_" #op ": dev %d no operation\n", \
355 #define EXP_CHECK_DT_OP(exp, op) \
357 if ((exp) == NULL) { \
358 CERROR("obd_" #op ": NULL export\n"); \
361 if ((exp)->exp_obd == NULL || !OBT((exp)->exp_obd)) { \
362 CERROR("obd_" #op ": cleaned up obd\n"); \
363 RETURN(-EOPNOTSUPP); \
365 if (!OBT((exp)->exp_obd) || !OBP((exp)->exp_obd, op)) { \
366 CERROR("obd_" #op ": dev %d no operation\n", \
367 (exp)->exp_obd->obd_minor); \
368 RETURN(-EOPNOTSUPP); \
372 #define CTXT_CHECK_OP(ctxt, op, err) \
374 if (!OBT(ctxt->loc_obd) || !CTXTP((ctxt), op)) { \
376 CERROR("lop_" #op ": dev %d no operation\n", \
377 ctxt->loc_obd->obd_minor); \
382 static inline int class_devno_max(void)
384 return MAX_OBD_DEVICES;
387 static inline int obd_get_info(struct obd_export *exp, __u32 keylen,
388 void *key, __u32 *vallen, void *val)
393 EXP_CHECK_DT_OP(exp, get_info);
394 EXP_COUNTER_INCREMENT(exp, get_info);
396 rc = OBP(exp->exp_obd, get_info)(exp, keylen, key, vallen, val);
400 static inline int obd_set_info_async(struct obd_export *exp, obd_count keylen,
401 void *key, obd_count vallen, void *val,
402 struct ptlrpc_request_set *set)
407 EXP_CHECK_DT_OP(exp, set_info_async);
408 EXP_COUNTER_INCREMENT(exp, set_info_async);
410 rc = OBP(exp->exp_obd, set_info_async)(exp, keylen, key, vallen, val,
416 #define DECLARE_LU_VARS(ldt, d) \
417 struct lu_device_type *ldt; \
420 #define DECLARE_LU_VARS(ldt, d) \
421 extern void __placeholder_to_put_a_semicolon(void)
423 static inline int obd_setup(struct obd_device *obd, struct lustre_cfg *cfg)
426 DECLARE_LU_VARS(ldt, d);
430 ldt = obd->obd_type->typ_lu;
434 rc = lu_env_init(&env, NULL, ldt->ldt_ctx_tags);
436 d = ldt->ldt_ops->ldto_device_alloc(&env, ldt, cfg);
448 OBD_CHECK_DT_OP(obd, setup, -EOPNOTSUPP);
449 OBD_COUNTER_INCREMENT(obd, setup);
450 rc = OBP(obd, setup)(obd, cfg);
455 static inline int obd_precleanup(struct obd_device *obd,
456 enum obd_cleanup_stage cleanup_stage)
459 DECLARE_LU_VARS(ldt, d);
464 ldt = obd->obd_type->typ_lu;
468 if (cleanup_stage == OBD_CLEANUP_EXPORTS) {
471 rc = lu_env_init(&env, NULL, ldt->ldt_ctx_tags);
473 ldt->ldt_ops->ldto_device_fini(&env, d);
482 OBD_CHECK_DT_OP(obd, precleanup, 0);
483 rc = OBP(obd, precleanup)(obd, cleanup_stage);
486 OBD_COUNTER_INCREMENT(obd, precleanup);
490 static inline int obd_cleanup(struct obd_device *obd)
493 DECLARE_LU_VARS(ldt, d);
499 ldt = obd->obd_type->typ_lu;
505 rc = lu_env_init(&env, NULL, ldt->ldt_ctx_tags);
507 ldt->ldt_ops->ldto_device_free(&env, d);
509 obd->obd_lu_dev = NULL;
514 OBD_CHECK_DT_OP(obd, cleanup, 0);
515 rc = OBP(obd, cleanup)(obd);
517 OBD_COUNTER_INCREMENT(obd, cleanup);
522 obd_process_config(struct obd_device *obd, int datalen, void *data)
525 DECLARE_LU_VARS(ldt, d);
531 ldt = obd->obd_type->typ_lu;
533 if (ldt != NULL && d != NULL) {
536 rc = lu_env_init(&env, NULL, ldt->ldt_ctx_tags);
538 rc = d->ld_ops->ldo_process_config(&env, d, data);
544 OBD_CHECK_DT_OP(obd, process_config, -EOPNOTSUPP);
545 rc = OBP(obd, process_config)(obd, datalen, data);
547 OBD_COUNTER_INCREMENT(obd, process_config);
552 /* Pack an in-memory MD struct for storage on disk.
553 * Returns +ve size of packed MD (0 for free), or -ve error.
555 * If @disk_tgt == NULL, MD size is returned (max size if @mem_src == NULL).
556 * If @*disk_tgt != NULL and @mem_src == NULL, @*disk_tgt will be freed.
557 * If @*disk_tgt == NULL, it will be allocated
559 static inline int obd_packmd(struct obd_export *exp,
560 struct lov_mds_md **disk_tgt,
561 struct lov_stripe_md *mem_src)
566 EXP_CHECK_DT_OP(exp, packmd);
567 EXP_COUNTER_INCREMENT(exp, packmd);
569 rc = OBP(exp->exp_obd, packmd)(exp, disk_tgt, mem_src);
573 static inline int obd_size_diskmd(struct obd_export *exp,
574 struct lov_stripe_md *mem_src)
576 return obd_packmd(exp, NULL, mem_src);
579 /* helper functions */
580 static inline int obd_alloc_diskmd(struct obd_export *exp,
581 struct lov_mds_md **disk_tgt)
584 LASSERT(*disk_tgt == NULL);
585 return obd_packmd(exp, disk_tgt, NULL);
588 static inline int obd_free_diskmd(struct obd_export *exp,
589 struct lov_mds_md **disk_tgt)
593 return obd_packmd(exp, disk_tgt, NULL);
596 /* Unpack an MD struct from disk to in-memory format.
597 * Returns +ve size of unpacked MD (0 for free), or -ve error.
599 * If @mem_tgt == NULL, MD size is returned (max size if @disk_src == NULL).
600 * If @*mem_tgt != NULL and @disk_src == NULL, @*mem_tgt will be freed.
601 * If @*mem_tgt == NULL, it will be allocated
603 static inline int obd_unpackmd(struct obd_export *exp,
604 struct lov_stripe_md **mem_tgt,
605 struct lov_mds_md *disk_src,
611 EXP_CHECK_DT_OP(exp, unpackmd);
612 EXP_COUNTER_INCREMENT(exp, unpackmd);
614 rc = OBP(exp->exp_obd, unpackmd)(exp, mem_tgt, disk_src, disk_len);
618 /* helper functions */
619 static inline int obd_alloc_memmd(struct obd_export *exp,
620 struct lov_stripe_md **mem_tgt)
623 LASSERT(*mem_tgt == NULL);
624 return obd_unpackmd(exp, mem_tgt, NULL, 0);
627 static inline int obd_free_memmd(struct obd_export *exp,
628 struct lov_stripe_md **mem_tgt)
632 return 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)
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);
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 int obd_connect(const struct lu_env *env,
799 struct lustre_handle *conn,struct obd_device *obd,
800 struct obd_uuid *cluuid,
801 struct obd_connect_data *d,
806 __u64 ocf = d ? d->ocd_connect_flags : 0; /* for post-condition
811 OBD_CHECK_DEV_ACTIVE(obd);
812 OBD_CHECK_DT_OP(obd, connect, -EOPNOTSUPP);
813 OBD_COUNTER_INCREMENT(obd, connect);
815 rc = OBP(obd, connect)(env, conn, obd, cluuid, d, localdata);
816 /* check that only subset is granted */
817 LASSERT(ergo(d != NULL,
818 (d->ocd_connect_flags & ocf) == d->ocd_connect_flags));
822 static inline int obd_reconnect(const struct lu_env *env,
823 struct obd_export *exp,
824 struct obd_device *obd,
825 struct obd_uuid *cluuid,
826 struct obd_connect_data *d)
830 __u64 ocf = d ? d->ocd_connect_flags : 0; /* for post-condition
836 OBD_CHECK_DEV_ACTIVE(obd);
837 OBD_CHECK_DT_OP(obd, reconnect, 0);
838 OBD_COUNTER_INCREMENT(obd, reconnect);
840 rc = OBP(obd, reconnect)(env, exp, obd, cluuid, d);
841 /* check that only subset is granted */
842 LASSERT(ergo(d != NULL,
843 (d->ocd_connect_flags & ocf) == d->ocd_connect_flags));
847 static inline int obd_disconnect(struct obd_export *exp)
852 EXP_CHECK_DT_OP(exp, disconnect);
853 EXP_COUNTER_INCREMENT(exp, disconnect);
855 rc = OBP(exp->exp_obd, disconnect)(exp);
859 static inline int obd_fid_init(struct obd_export *exp)
864 OBD_CHECK_DT_OP(exp->exp_obd, fid_init, 0);
865 EXP_COUNTER_INCREMENT(exp, fid_init);
867 rc = OBP(exp->exp_obd, fid_init)(exp);
871 static inline int obd_fid_fini(struct obd_export *exp)
876 OBD_CHECK_DT_OP(exp->exp_obd, fid_fini, 0);
877 EXP_COUNTER_INCREMENT(exp, fid_fini);
879 rc = OBP(exp->exp_obd, fid_fini)(exp);
883 static inline int obd_fid_alloc(struct obd_export *exp,
885 struct md_op_data *op_data)
890 EXP_CHECK_DT_OP(exp, fid_alloc);
891 EXP_COUNTER_INCREMENT(exp, fid_alloc);
893 rc = OBP(exp->exp_obd, fid_alloc)(exp, fid, op_data);
897 static inline int obd_fid_delete(struct obd_export *exp,
898 const struct lu_fid *fid)
903 EXP_CHECK_DT_OP(exp, fid_delete);
904 EXP_COUNTER_INCREMENT(exp, fid_delete);
906 rc = OBP(exp->exp_obd, fid_delete)(exp, fid);
910 static inline int obd_ping(struct obd_export *exp)
915 OBD_CHECK_DT_OP(exp->exp_obd, ping, 0);
916 EXP_COUNTER_INCREMENT(exp, ping);
918 rc = OBP(exp->exp_obd, ping)(exp);
922 static inline int obd_init_export(struct obd_export *exp)
927 if ((exp)->exp_obd != NULL && OBT((exp)->exp_obd) &&
928 OBP((exp)->exp_obd, init_export))
929 rc = OBP(exp->exp_obd, init_export)(exp);
933 static inline int obd_destroy_export(struct obd_export *exp)
936 if ((exp)->exp_obd != NULL && OBT((exp)->exp_obd) &&
937 OBP((exp)->exp_obd, destroy_export))
938 OBP(exp->exp_obd, destroy_export)(exp);
942 static inline int obd_extent_calc(struct obd_export *exp,
943 struct lov_stripe_md *md,
944 int cmd, obd_off *offset)
948 EXP_CHECK_DT_OP(exp, extent_calc);
949 rc = OBP(exp->exp_obd, extent_calc)(exp, md, cmd, offset);
953 static inline struct dentry *
954 obd_lvfs_fid2dentry(struct obd_export *exp, __u64 id_ino, __u32 gen, __u64 gr)
956 LASSERT(exp->exp_obd);
958 return lvfs_fid2dentry(&exp->exp_obd->obd_lvfs_ctxt, id_ino, gen, gr,
963 obd_lvfs_open_llog(struct obd_export *exp, __u64 id_ino, struct dentry *dentry)
965 LASSERT(exp->exp_obd);
966 CERROR("FIXME what's the story here? This needs to be an obd fn?\n");
968 return lvfs_open_llog(&exp->exp_obd->obd_lvfs_ctxt, id_ino,
969 dentry, exp->exp_obd);
975 #define time_before(t1, t2) ((long)t2 - (long)t1 > 0)
978 /* @max_age is the oldest time in jiffies that we accept using a cached data.
979 * If the cache is older than @max_age we will get a new value from the
980 * target. Use a value of "cfs_time_current() + HZ" to guarantee freshness. */
981 static inline int obd_statfs_async(struct obd_device *obd,
982 struct obd_info *oinfo,
984 struct ptlrpc_request_set *rqset)
992 OBD_CHECK_DT_OP(obd, statfs, -EOPNOTSUPP);
993 OBD_COUNTER_INCREMENT(obd, statfs);
995 CDEBUG(D_SUPER, "%s: osfs %p age "LPU64", max_age "LPU64"\n",
996 obd->obd_name, &obd->obd_osfs, obd->obd_osfs_age, max_age);
997 if (cfs_time_before_64(obd->obd_osfs_age, max_age)) {
998 rc = OBP(obd, statfs_async)(obd, oinfo, max_age, rqset);
1000 CDEBUG(D_SUPER,"%s: use %p cache blocks "LPU64"/"LPU64
1001 " objects "LPU64"/"LPU64"\n",
1002 obd->obd_name, &obd->obd_osfs,
1003 obd->obd_osfs.os_bavail, obd->obd_osfs.os_blocks,
1004 obd->obd_osfs.os_ffree, obd->obd_osfs.os_files);
1005 spin_lock(&obd->obd_osfs_lock);
1006 memcpy(oinfo->oi_osfs, &obd->obd_osfs, sizeof(*oinfo->oi_osfs));
1007 spin_unlock(&obd->obd_osfs_lock);
1008 if (oinfo->oi_cb_up)
1009 oinfo->oi_cb_up(oinfo, 0);
1014 static inline int obd_statfs_rqset(struct obd_device *obd,
1015 struct obd_statfs *osfs, __u64 max_age,
1018 struct ptlrpc_request_set *set = NULL;
1019 struct obd_info oinfo = { { { 0 } } };
1023 set = ptlrpc_prep_set();
1027 oinfo.oi_osfs = osfs;
1028 oinfo.oi_flags = flags;
1029 rc = obd_statfs_async(obd, &oinfo, max_age, set);
1031 rc = ptlrpc_set_wait(set);
1032 ptlrpc_set_destroy(set);
1036 /* @max_age is the oldest time in jiffies that we accept using a cached data.
1037 * If the cache is older than @max_age we will get a new value from the
1038 * target. Use a value of "cfs_time_current() + HZ" to guarantee freshness. */
1039 static inline int obd_statfs(struct obd_device *obd, struct obd_statfs *osfs,
1040 __u64 max_age, __u32 flags)
1048 OBD_CHECK_DT_OP(obd, statfs, -EOPNOTSUPP);
1049 OBD_COUNTER_INCREMENT(obd, statfs);
1051 CDEBUG(D_SUPER, "osfs "LPU64", max_age "LPU64"\n",
1052 obd->obd_osfs_age, max_age);
1053 if (cfs_time_before_64(obd->obd_osfs_age, max_age)) {
1054 rc = OBP(obd, statfs)(obd, osfs, max_age, flags);
1056 spin_lock(&obd->obd_osfs_lock);
1057 memcpy(&obd->obd_osfs, osfs, sizeof(obd->obd_osfs));
1058 obd->obd_osfs_age = cfs_time_current_64();
1059 spin_unlock(&obd->obd_osfs_lock);
1062 CDEBUG(D_SUPER,"%s: use %p cache blocks "LPU64"/"LPU64
1063 " objects "LPU64"/"LPU64"\n",
1064 obd->obd_name, &obd->obd_osfs,
1065 obd->obd_osfs.os_bavail, obd->obd_osfs.os_blocks,
1066 obd->obd_osfs.os_ffree, obd->obd_osfs.os_files);
1067 spin_lock(&obd->obd_osfs_lock);
1068 memcpy(osfs, &obd->obd_osfs, sizeof(*osfs));
1069 spin_unlock(&obd->obd_osfs_lock);
1074 static inline int obd_sync(struct obd_export *exp, struct obdo *oa,
1075 struct lov_stripe_md *ea, obd_size start,
1076 obd_size end, void *capa)
1081 OBD_CHECK_DT_OP(exp->exp_obd, sync, -EOPNOTSUPP);
1082 EXP_COUNTER_INCREMENT(exp, sync);
1084 rc = OBP(exp->exp_obd, sync)(exp, oa, ea, start, end, capa);
1088 static inline int obd_punch_rqset(struct obd_export *exp,
1089 struct obd_info *oinfo,
1090 struct obd_trans_info *oti)
1092 struct ptlrpc_request_set *set = NULL;
1096 EXP_CHECK_DT_OP(exp, punch);
1097 EXP_COUNTER_INCREMENT(exp, punch);
1099 set = ptlrpc_prep_set();
1103 rc = OBP(exp->exp_obd, punch)(exp, oinfo, oti, set);
1105 rc = ptlrpc_set_wait(set);
1106 ptlrpc_set_destroy(set);
1110 static inline int obd_punch(struct obd_export *exp, struct obd_info *oinfo,
1111 struct obd_trans_info *oti,
1112 struct ptlrpc_request_set *rqset)
1117 EXP_CHECK_DT_OP(exp, punch);
1118 EXP_COUNTER_INCREMENT(exp, punch);
1120 rc = OBP(exp->exp_obd, punch)(exp, oinfo, oti, rqset);
1124 static inline int obd_brw(int cmd, struct obd_export *exp,
1125 struct obd_info *oinfo, obd_count oa_bufs,
1126 struct brw_page *pg, struct obd_trans_info *oti)
1131 EXP_CHECK_DT_OP(exp, brw);
1132 EXP_COUNTER_INCREMENT(exp, brw);
1134 if (!(cmd & (OBD_BRW_RWMASK | OBD_BRW_CHECK))) {
1135 CERROR("obd_brw: cmd must be OBD_BRW_READ, OBD_BRW_WRITE, "
1136 "or OBD_BRW_CHECK\n");
1140 rc = OBP(exp->exp_obd, brw)(cmd, exp, oinfo, oa_bufs, pg, oti);
1144 static inline int obd_brw_async(int cmd, struct obd_export *exp,
1145 struct obd_info *oinfo, obd_count oa_bufs,
1146 struct brw_page *pg, struct obd_trans_info *oti,
1147 struct ptlrpc_request_set *set)
1152 EXP_CHECK_DT_OP(exp, brw_async);
1153 EXP_COUNTER_INCREMENT(exp, brw_async);
1155 if (!(cmd & OBD_BRW_RWMASK)) {
1156 CERROR("obd_brw: cmd must be OBD_BRW_READ or OBD_BRW_WRITE\n");
1160 rc = OBP(exp->exp_obd, brw_async)(cmd, exp, oinfo, oa_bufs, pg,oti,set);
1164 static inline int obd_brw_rqset(int cmd, struct obd_export *exp,
1165 struct obdo *oa, struct lov_stripe_md *lsm,
1166 obd_count oa_bufs, struct brw_page *pg,
1167 struct obd_trans_info *oti,
1168 struct obd_capa *ocapa)
1170 struct ptlrpc_request_set *set = NULL;
1171 struct obd_info oinfo = { { { 0 } } };
1175 set = ptlrpc_prep_set();
1181 oinfo.oi_capa = ocapa;
1182 rc = obd_brw_async(cmd, exp, &oinfo, oa_bufs, pg, oti, set);
1184 rc = ptlrpc_set_wait(set);
1186 CERROR("error from callback: rc = %d\n", rc);
1188 CDEBUG(rc == -ENOSPC ? D_INODE : D_ERROR,
1189 "error from obd_brw_async: rc = %d\n", rc);
1191 ptlrpc_set_destroy(set);
1195 static inline int obd_prep_async_page(struct obd_export *exp,
1196 struct lov_stripe_md *lsm,
1197 struct lov_oinfo *loi,
1198 cfs_page_t *page, obd_off offset,
1199 struct obd_async_page_ops *ops,
1200 void *data, void **res, int nocache,
1201 struct lustre_handle *lockh)
1206 EXP_CHECK_DT_OP(exp, prep_async_page);
1207 EXP_COUNTER_INCREMENT(exp, prep_async_page);
1209 ret = OBP(exp->exp_obd, prep_async_page)(exp, lsm, loi, page, offset,
1210 ops, data, res, nocache,
1215 static inline int obd_queue_async_io(struct obd_export *exp,
1216 struct lov_stripe_md *lsm,
1217 struct lov_oinfo *loi, void *cookie,
1218 int cmd, obd_off off, int count,
1219 obd_flag brw_flags, obd_flag async_flags)
1224 EXP_CHECK_DT_OP(exp, queue_async_io);
1225 EXP_COUNTER_INCREMENT(exp, queue_async_io);
1226 LASSERT(cmd & OBD_BRW_RWMASK);
1228 rc = OBP(exp->exp_obd, queue_async_io)(exp, lsm, loi, cookie, cmd, off,
1229 count, brw_flags, async_flags);
1233 static inline int obd_set_async_flags(struct obd_export *exp,
1234 struct lov_stripe_md *lsm,
1235 struct lov_oinfo *loi, void *cookie,
1236 obd_flag async_flags)
1241 EXP_CHECK_DT_OP(exp, set_async_flags);
1242 EXP_COUNTER_INCREMENT(exp, set_async_flags);
1244 rc = OBP(exp->exp_obd, set_async_flags)(exp, lsm, loi, cookie,
1249 static inline int obd_queue_group_io(struct obd_export *exp,
1250 struct lov_stripe_md *lsm,
1251 struct lov_oinfo *loi,
1252 struct obd_io_group *oig,
1253 void *cookie, int cmd, obd_off off,
1254 int count, obd_flag brw_flags,
1255 obd_flag async_flags)
1260 EXP_CHECK_DT_OP(exp, queue_group_io);
1261 EXP_COUNTER_INCREMENT(exp, queue_group_io);
1262 LASSERT(cmd & OBD_BRW_RWMASK);
1264 rc = OBP(exp->exp_obd, queue_group_io)(exp, lsm, loi, oig, cookie,
1265 cmd, off, count, brw_flags,
1270 static inline int obd_trigger_group_io(struct obd_export *exp,
1271 struct lov_stripe_md *lsm,
1272 struct lov_oinfo *loi,
1273 struct obd_io_group *oig)
1278 EXP_CHECK_DT_OP(exp, trigger_group_io);
1279 EXP_COUNTER_INCREMENT(exp, trigger_group_io);
1281 rc = OBP(exp->exp_obd, trigger_group_io)(exp, lsm, loi, oig);
1285 static inline int obd_teardown_async_page(struct obd_export *exp,
1286 struct lov_stripe_md *lsm,
1287 struct lov_oinfo *loi, void *cookie)
1292 EXP_CHECK_DT_OP(exp, teardown_async_page);
1293 EXP_COUNTER_INCREMENT(exp, teardown_async_page);
1295 rc = OBP(exp->exp_obd, teardown_async_page)(exp, lsm, loi, cookie);
1299 static inline int obd_preprw(int cmd, struct obd_export *exp, struct obdo *oa,
1300 int objcount, struct obd_ioobj *obj,
1301 int niocount, struct niobuf_remote *remote,
1302 struct niobuf_local *local,
1303 struct obd_trans_info *oti,
1304 struct lustre_capa *capa)
1309 EXP_CHECK_DT_OP(exp, preprw);
1310 EXP_COUNTER_INCREMENT(exp, preprw);
1312 rc = OBP(exp->exp_obd, preprw)(cmd, exp, oa, objcount, obj, niocount,
1313 remote, local, oti, capa);
1317 static inline int obd_commitrw(int cmd, struct obd_export *exp, struct obdo *oa,
1318 int objcount, struct obd_ioobj *obj,
1319 int niocount, struct niobuf_local *local,
1320 struct obd_trans_info *oti, int rc)
1324 EXP_CHECK_DT_OP(exp, commitrw);
1325 EXP_COUNTER_INCREMENT(exp, commitrw);
1327 rc = OBP(exp->exp_obd, commitrw)(cmd, exp, oa, objcount, obj, niocount,
1332 static inline int obd_merge_lvb(struct obd_export *exp,
1333 struct lov_stripe_md *lsm,
1334 struct ost_lvb *lvb, int kms_only)
1339 EXP_CHECK_DT_OP(exp, merge_lvb);
1340 EXP_COUNTER_INCREMENT(exp, merge_lvb);
1342 rc = OBP(exp->exp_obd, merge_lvb)(exp, lsm, lvb, kms_only);
1346 static inline int obd_adjust_kms(struct obd_export *exp,
1347 struct lov_stripe_md *lsm, obd_off size,
1353 EXP_CHECK_DT_OP(exp, adjust_kms);
1354 EXP_COUNTER_INCREMENT(exp, adjust_kms);
1356 rc = OBP(exp->exp_obd, adjust_kms)(exp, lsm, size, shrink);
1360 static inline int obd_iocontrol(unsigned int cmd, struct obd_export *exp,
1361 int len, void *karg, void *uarg)
1366 EXP_CHECK_DT_OP(exp, iocontrol);
1367 EXP_COUNTER_INCREMENT(exp, iocontrol);
1369 rc = OBP(exp->exp_obd, iocontrol)(cmd, exp, len, karg, uarg);
1373 static inline int obd_enqueue_rqset(struct obd_export *exp,
1374 struct obd_info *oinfo,
1375 struct ldlm_enqueue_info *einfo)
1377 struct ptlrpc_request_set *set = NULL;
1381 EXP_CHECK_DT_OP(exp, enqueue);
1382 EXP_COUNTER_INCREMENT(exp, enqueue);
1384 set = ptlrpc_prep_set();
1388 rc = OBP(exp->exp_obd, enqueue)(exp, oinfo, einfo, set);
1390 rc = ptlrpc_set_wait(set);
1391 ptlrpc_set_destroy(set);
1395 static inline int obd_enqueue(struct obd_export *exp,
1396 struct obd_info *oinfo,
1397 struct ldlm_enqueue_info *einfo,
1398 struct ptlrpc_request_set *set)
1403 EXP_CHECK_DT_OP(exp, enqueue);
1404 EXP_COUNTER_INCREMENT(exp, enqueue);
1406 rc = OBP(exp->exp_obd, enqueue)(exp, oinfo, einfo, set);
1410 static inline int obd_match(struct obd_export *exp, struct lov_stripe_md *ea,
1411 __u32 type, ldlm_policy_data_t *policy, __u32 mode,
1412 int *flags, void *data, struct lustre_handle *lockh)
1417 EXP_CHECK_DT_OP(exp, match);
1418 EXP_COUNTER_INCREMENT(exp, match);
1420 rc = OBP(exp->exp_obd, match)(exp, ea, type, policy, mode, flags, data,
1425 static inline int obd_change_cbdata(struct obd_export *exp,
1426 struct lov_stripe_md *lsm,
1427 ldlm_iterator_t it, void *data)
1432 EXP_CHECK_DT_OP(exp, change_cbdata);
1433 EXP_COUNTER_INCREMENT(exp, change_cbdata);
1435 rc = OBP(exp->exp_obd, change_cbdata)(exp, lsm, it, data);
1439 static inline int obd_cancel(struct obd_export *exp,
1440 struct lov_stripe_md *ea, __u32 mode,
1441 struct lustre_handle *lockh)
1446 EXP_CHECK_DT_OP(exp, cancel);
1447 EXP_COUNTER_INCREMENT(exp, cancel);
1449 rc = OBP(exp->exp_obd, cancel)(exp, ea, mode, lockh);
1453 static inline int obd_cancel_unused(struct obd_export *exp,
1454 struct lov_stripe_md *ea,
1455 int flags, void *opaque)
1460 EXP_CHECK_DT_OP(exp, cancel_unused);
1461 EXP_COUNTER_INCREMENT(exp, cancel_unused);
1463 rc = OBP(exp->exp_obd, cancel_unused)(exp, ea, flags, opaque);
1467 static inline int obd_join_lru(struct obd_export *exp,
1468 struct lov_stripe_md *ea, int join)
1473 EXP_CHECK_DT_OP(exp, join_lru);
1474 EXP_COUNTER_INCREMENT(exp, join_lru);
1476 rc = OBP(exp->exp_obd, join_lru)(exp, ea, join);
1480 static inline int obd_pin(struct obd_export *exp, const struct lu_fid *fid,
1481 struct obd_capa *oc, struct obd_client_handle *handle,
1487 EXP_CHECK_DT_OP(exp, pin);
1488 EXP_COUNTER_INCREMENT(exp, pin);
1490 rc = OBP(exp->exp_obd, pin)(exp, fid, oc, handle, flag);
1494 static inline int obd_unpin(struct obd_export *exp,
1495 struct obd_client_handle *handle, int flag)
1500 EXP_CHECK_DT_OP(exp, unpin);
1501 EXP_COUNTER_INCREMENT(exp, unpin);
1503 rc = OBP(exp->exp_obd, unpin)(exp, handle, flag);
1508 static inline void obd_import_event(struct obd_device *obd,
1509 struct obd_import *imp,
1510 enum obd_import_event event)
1514 CERROR("NULL device\n");
1518 if (obd->obd_set_up && OBP(obd, import_event)) {
1519 OBD_COUNTER_INCREMENT(obd, import_event);
1520 OBP(obd, import_event)(obd, imp, event);
1525 static inline int obd_llog_connect(struct obd_export *exp,
1526 struct llogd_conn_body *body)
1531 OBD_CHECK_DT_OP(exp->exp_obd, llog_connect, 0);
1532 EXP_COUNTER_INCREMENT(exp, llog_connect);
1534 rc = OBP(exp->exp_obd, llog_connect)(exp, body);
1539 static inline int obd_notify(struct obd_device *obd,
1540 struct obd_device *watched,
1541 enum obd_notify_event ev,
1548 /* the check for async_recov is a complete hack - I'm hereby
1549 overloading the meaning to also mean "this was called from
1550 mds_postsetup". I know that my mds is able to handle notifies
1551 by this point, and it needs to get them to execute mds_postrecov. */
1552 if (!obd->obd_set_up && !obd->obd_async_recov) {
1553 CDEBUG(D_HA, "obd %s not set up\n", obd->obd_name);
1557 if (!OBP(obd, notify)) {
1558 CERROR("obd %s has no notify handler\n", obd->obd_name);
1562 OBD_COUNTER_INCREMENT(obd, notify);
1563 rc = OBP(obd, notify)(obd, watched, ev, data);
1567 static inline int obd_notify_observer(struct obd_device *observer,
1568 struct obd_device *observed,
1569 enum obd_notify_event ev,
1575 struct obd_notify_upcall *onu;
1577 if (observer->obd_observer)
1578 rc1 = obd_notify(observer->obd_observer, observed, ev, data);
1582 * Also, call non-obd listener, if any
1584 onu = &observer->obd_upcall;
1585 if (onu->onu_upcall != NULL)
1586 rc2 = onu->onu_upcall(observer, observed, ev, onu->onu_owner);
1590 return rc1 ? rc1 : rc2;
1593 static inline int obd_quotacheck(struct obd_export *exp,
1594 struct obd_quotactl *oqctl)
1599 EXP_CHECK_DT_OP(exp, quotacheck);
1600 EXP_COUNTER_INCREMENT(exp, quotacheck);
1602 rc = OBP(exp->exp_obd, quotacheck)(exp, oqctl);
1606 static inline int obd_quotactl(struct obd_export *exp,
1607 struct obd_quotactl *oqctl)
1612 EXP_CHECK_DT_OP(exp, quotactl);
1613 EXP_COUNTER_INCREMENT(exp, quotactl);
1615 rc = OBP(exp->exp_obd, quotactl)(exp, oqctl);
1619 static inline int obd_health_check(struct obd_device *obd)
1621 /* returns: 0 on healthy
1622 * >0 on unhealthy + reason code/flag
1623 * however the only suppored reason == 1 right now
1624 * We'll need to define some better reasons
1625 * or flags in the future.
1631 /* don't use EXP_CHECK_DT_OP, because NULL method is normal here */
1632 if (obd == NULL || !OBT(obd)) {
1633 CERROR("cleaned up obd\n");
1634 RETURN(-EOPNOTSUPP);
1636 if (!obd->obd_set_up || obd->obd_stopping)
1638 if (!OBP(obd, health_check))
1641 rc = OBP(obd, health_check)(obd);
1645 static inline int obd_register_observer(struct obd_device *obd,
1646 struct obd_device *observer)
1650 if (obd->obd_observer && observer)
1652 obd->obd_observer = observer;
1656 static inline int obd_register_page_removal_cb(struct obd_export *exp,
1657 obd_page_removal_cb_t cb,
1658 obd_pin_extent_cb pin_cb)
1663 OBD_CHECK_DT_OP(exp->exp_obd, register_page_removal_cb, 0);
1664 OBD_COUNTER_INCREMENT(exp->exp_obd, register_page_removal_cb);
1666 rc = OBP(exp->exp_obd, register_page_removal_cb)(exp, cb, pin_cb);
1670 static inline int obd_unregister_page_removal_cb(struct obd_export *exp,
1671 obd_page_removal_cb_t cb)
1676 OBD_CHECK_DT_OP(exp->exp_obd, unregister_page_removal_cb, 0);
1677 OBD_COUNTER_INCREMENT(exp->exp_obd, unregister_page_removal_cb);
1679 rc = OBP(exp->exp_obd, unregister_page_removal_cb)(exp, cb);
1683 static inline int obd_register_lock_cancel_cb(struct obd_export *exp,
1684 obd_lock_cancel_cb cb)
1689 OBD_CHECK_DT_OP(exp->exp_obd, register_lock_cancel_cb, 0);
1690 OBD_COUNTER_INCREMENT(exp->exp_obd, register_lock_cancel_cb);
1692 rc = OBP(exp->exp_obd, register_lock_cancel_cb)(exp, cb);
1696 static inline int obd_unregister_lock_cancel_cb(struct obd_export *exp,
1697 obd_lock_cancel_cb cb)
1702 OBD_CHECK_DT_OP(exp->exp_obd, unregister_lock_cancel_cb, 0);
1703 OBD_COUNTER_INCREMENT(exp->exp_obd, unregister_lock_cancel_cb);
1705 rc = OBP(exp->exp_obd, unregister_lock_cancel_cb)(exp, cb);
1709 /* metadata helpers */
1710 static inline int md_getstatus(struct obd_export *exp,
1711 struct lu_fid *fid, struct obd_capa **pc)
1716 EXP_CHECK_MD_OP(exp, getstatus);
1717 EXP_MD_COUNTER_INCREMENT(exp, getstatus);
1718 rc = MDP(exp->exp_obd, getstatus)(exp, fid, pc);
1722 static inline int md_getattr(struct obd_export *exp, const struct lu_fid *fid,
1723 struct obd_capa *oc, obd_valid valid, int ea_size,
1724 struct ptlrpc_request **request)
1728 EXP_CHECK_MD_OP(exp, getattr);
1729 EXP_MD_COUNTER_INCREMENT(exp, getattr);
1730 rc = MDP(exp->exp_obd, getattr)(exp, fid, oc, valid,
1735 static inline int md_change_cbdata(struct obd_export *exp,
1736 const struct lu_fid *fid,
1737 ldlm_iterator_t it, void *data)
1741 EXP_CHECK_MD_OP(exp, change_cbdata);
1742 EXP_MD_COUNTER_INCREMENT(exp, change_cbdata);
1743 rc = MDP(exp->exp_obd, change_cbdata)(exp, fid, it, data);
1747 static inline int md_close(struct obd_export *exp, struct md_op_data *op_data,
1748 struct md_open_data *mod,
1749 struct ptlrpc_request **request)
1753 EXP_CHECK_MD_OP(exp, close);
1754 EXP_MD_COUNTER_INCREMENT(exp, close);
1755 rc = MDP(exp->exp_obd, close)(exp, op_data, mod, request);
1759 static inline int md_create(struct obd_export *exp, struct md_op_data *op_data,
1760 const void *data, int datalen, int mode, __u32 uid,
1761 __u32 gid, __u32 cap_effective, __u64 rdev,
1762 struct ptlrpc_request **request)
1766 EXP_CHECK_MD_OP(exp, create);
1767 EXP_MD_COUNTER_INCREMENT(exp, create);
1768 rc = MDP(exp->exp_obd, create)(exp, op_data, data, datalen, mode,
1769 uid, gid, cap_effective, rdev, request);
1773 static inline int md_done_writing(struct obd_export *exp,
1774 struct md_op_data *op_data,
1775 struct md_open_data *mod)
1779 EXP_CHECK_MD_OP(exp, done_writing);
1780 EXP_MD_COUNTER_INCREMENT(exp, done_writing);
1781 rc = MDP(exp->exp_obd, done_writing)(exp, op_data, mod);
1785 static inline int md_enqueue(struct obd_export *exp,
1786 struct ldlm_enqueue_info *einfo,
1787 struct lookup_intent *it,
1788 struct md_op_data *op_data,
1789 struct lustre_handle *lockh,
1790 void *lmm, int lmmsize,
1791 int extra_lock_flags)
1795 EXP_CHECK_MD_OP(exp, enqueue);
1796 EXP_MD_COUNTER_INCREMENT(exp, enqueue);
1797 rc = MDP(exp->exp_obd, enqueue)(exp, einfo, it, op_data, lockh,
1798 lmm, lmmsize, extra_lock_flags);
1802 static inline int md_getattr_name(struct obd_export *exp,
1803 const struct lu_fid *fid, struct obd_capa *oc,
1804 const char *name, int namelen,
1805 obd_valid valid, int ea_size, __u32 suppgid,
1806 struct ptlrpc_request **request)
1810 EXP_CHECK_MD_OP(exp, getattr_name);
1811 EXP_MD_COUNTER_INCREMENT(exp, getattr_name);
1812 rc = MDP(exp->exp_obd, getattr_name)(exp, fid, oc, name, namelen,
1813 valid, ea_size, suppgid, request);
1817 static inline int md_intent_lock(struct obd_export *exp,
1818 struct md_op_data *op_data, void *lmm,
1819 int lmmsize, struct lookup_intent *it,
1820 int flags, struct ptlrpc_request **reqp,
1821 ldlm_blocking_callback cb_blocking,
1822 int extra_lock_flags)
1826 EXP_CHECK_MD_OP(exp, intent_lock);
1827 EXP_MD_COUNTER_INCREMENT(exp, intent_lock);
1828 rc = MDP(exp->exp_obd, intent_lock)(exp, op_data, lmm, lmmsize,
1829 it, flags, reqp, cb_blocking,
1834 static inline int md_link(struct obd_export *exp, struct md_op_data *op_data,
1835 struct ptlrpc_request **request)
1839 EXP_CHECK_MD_OP(exp, link);
1840 EXP_MD_COUNTER_INCREMENT(exp, link);
1841 rc = MDP(exp->exp_obd, link)(exp, op_data, request);
1845 static inline int md_rename(struct obd_export *exp, struct md_op_data *op_data,
1846 const char *old, int oldlen, const char *new,
1847 int newlen, struct ptlrpc_request **request)
1851 EXP_CHECK_MD_OP(exp, rename);
1852 EXP_MD_COUNTER_INCREMENT(exp, rename);
1853 rc = MDP(exp->exp_obd, rename)(exp, op_data, old, oldlen, new,
1858 static inline int md_is_subdir(struct obd_export *exp,
1859 const struct lu_fid *pfid,
1860 const struct lu_fid *cfid,
1861 struct ptlrpc_request **request)
1865 EXP_CHECK_MD_OP(exp, is_subdir);
1866 EXP_MD_COUNTER_INCREMENT(exp, is_subdir);
1867 rc = MDP(exp->exp_obd, is_subdir)(exp, pfid, cfid, request);
1871 static inline int md_setattr(struct obd_export *exp, struct md_op_data *op_data,
1872 void *ea, int ealen, void *ea2, int ea2len,
1873 struct ptlrpc_request **request,
1874 struct md_open_data **mod)
1878 EXP_CHECK_MD_OP(exp, setattr);
1879 EXP_MD_COUNTER_INCREMENT(exp, setattr);
1880 rc = MDP(exp->exp_obd, setattr)(exp, op_data, ea, ealen,
1881 ea2, ea2len, request, mod);
1885 static inline int md_sync(struct obd_export *exp, const struct lu_fid *fid,
1886 struct obd_capa *oc, struct ptlrpc_request **request)
1890 EXP_CHECK_MD_OP(exp, sync);
1891 EXP_MD_COUNTER_INCREMENT(exp, sync);
1892 rc = MDP(exp->exp_obd, sync)(exp, fid, oc, request);
1896 static inline int md_readpage(struct obd_export *exp, const struct lu_fid *fid,
1897 struct obd_capa *oc, __u64 offset,
1899 struct ptlrpc_request **request)
1903 EXP_CHECK_MD_OP(exp, readpage);
1904 EXP_MD_COUNTER_INCREMENT(exp, readpage);
1905 rc = MDP(exp->exp_obd, readpage)(exp, fid, oc, offset, page, request);
1909 static inline int md_unlink(struct obd_export *exp, struct md_op_data *op_data,
1910 struct ptlrpc_request **request)
1914 EXP_CHECK_MD_OP(exp, unlink);
1915 EXP_MD_COUNTER_INCREMENT(exp, unlink);
1916 rc = MDP(exp->exp_obd, unlink)(exp, op_data, request);
1920 static inline int md_get_lustre_md(struct obd_export *exp,
1921 struct ptlrpc_request *req,
1922 struct obd_export *dt_exp,
1923 struct obd_export *md_exp,
1924 struct lustre_md *md)
1927 EXP_CHECK_MD_OP(exp, get_lustre_md);
1928 EXP_MD_COUNTER_INCREMENT(exp, get_lustre_md);
1929 RETURN(MDP(exp->exp_obd, get_lustre_md)(exp, req, dt_exp, md_exp, md));
1932 static inline int md_free_lustre_md(struct obd_export *exp,
1933 struct lustre_md *md)
1936 EXP_CHECK_MD_OP(exp, free_lustre_md);
1937 EXP_MD_COUNTER_INCREMENT(exp, free_lustre_md);
1938 RETURN(MDP(exp->exp_obd, free_lustre_md)(exp, md));
1941 static inline int md_setxattr(struct obd_export *exp,
1942 const struct lu_fid *fid, struct obd_capa *oc,
1943 obd_valid valid, const char *name,
1944 const char *input, int input_size,
1945 int output_size, int flags, __u32 suppgid,
1946 struct ptlrpc_request **request)
1949 EXP_CHECK_MD_OP(exp, setxattr);
1950 EXP_MD_COUNTER_INCREMENT(exp, setxattr);
1951 RETURN(MDP(exp->exp_obd, setxattr)(exp, fid, oc, valid, name, input,
1952 input_size, output_size, flags,
1956 static inline int md_getxattr(struct obd_export *exp,
1957 const struct lu_fid *fid, struct obd_capa *oc,
1958 obd_valid valid, const char *name,
1959 const char *input, int input_size,
1960 int output_size, int flags,
1961 struct ptlrpc_request **request)
1964 EXP_CHECK_MD_OP(exp, getxattr);
1965 EXP_MD_COUNTER_INCREMENT(exp, getxattr);
1966 RETURN(MDP(exp->exp_obd, getxattr)(exp, fid, oc, valid, name, input,
1967 input_size, output_size, flags,
1971 static inline int md_set_open_replay_data(struct obd_export *exp,
1972 struct obd_client_handle *och,
1973 struct ptlrpc_request *open_req)
1976 EXP_CHECK_MD_OP(exp, set_open_replay_data);
1977 EXP_MD_COUNTER_INCREMENT(exp, set_open_replay_data);
1978 RETURN(MDP(exp->exp_obd, set_open_replay_data)(exp, och, open_req));
1981 static inline int md_clear_open_replay_data(struct obd_export *exp,
1982 struct obd_client_handle *och)
1985 EXP_CHECK_MD_OP(exp, clear_open_replay_data);
1986 EXP_MD_COUNTER_INCREMENT(exp, clear_open_replay_data);
1987 RETURN(MDP(exp->exp_obd, clear_open_replay_data)(exp, och));
1990 static inline int md_set_lock_data(struct obd_export *exp,
1991 __u64 *lockh, void *data)
1994 EXP_CHECK_MD_OP(exp, set_lock_data);
1995 EXP_MD_COUNTER_INCREMENT(exp, set_lock_data);
1996 RETURN(MDP(exp->exp_obd, set_lock_data)(exp, lockh, data));
1999 static inline int md_cancel_unused(struct obd_export *exp,
2000 const struct lu_fid *fid,
2001 ldlm_policy_data_t *policy,
2002 ldlm_mode_t mode, int flags, void *opaque)
2007 EXP_CHECK_MD_OP(exp, cancel_unused);
2008 EXP_MD_COUNTER_INCREMENT(exp, cancel_unused);
2010 rc = MDP(exp->exp_obd, cancel_unused)(exp, fid, policy, mode,
2015 static inline ldlm_mode_t md_lock_match(struct obd_export *exp, int flags,
2016 const struct lu_fid *fid,
2018 ldlm_policy_data_t *policy,
2020 struct lustre_handle *lockh)
2023 EXP_CHECK_MD_OP(exp, lock_match);
2024 EXP_MD_COUNTER_INCREMENT(exp, lock_match);
2025 RETURN(MDP(exp->exp_obd, lock_match)(exp, flags, fid, type,
2026 policy, mode, lockh));
2029 static inline int md_init_ea_size(struct obd_export *exp, int easize,
2030 int def_asize, int cookiesize)
2033 EXP_CHECK_MD_OP(exp, init_ea_size);
2034 EXP_MD_COUNTER_INCREMENT(exp, init_ea_size);
2035 RETURN(MDP(exp->exp_obd, init_ea_size)(exp, easize, def_asize,
2039 static inline int md_get_remote_perm(struct obd_export *exp,
2040 const struct lu_fid *fid,
2041 struct obd_capa *oc, __u32 suppgid,
2042 struct ptlrpc_request **request)
2045 EXP_CHECK_MD_OP(exp, get_remote_perm);
2046 EXP_MD_COUNTER_INCREMENT(exp, get_remote_perm);
2047 RETURN(MDP(exp->exp_obd, get_remote_perm)(exp, fid, oc, suppgid,
2051 static inline int md_renew_capa(struct obd_export *exp, struct obd_capa *ocapa,
2056 EXP_CHECK_MD_OP(exp, renew_capa);
2057 EXP_MD_COUNTER_INCREMENT(exp, renew_capa);
2058 rc = MDP(exp->exp_obd, renew_capa)(exp, ocapa, cb);
2062 static inline int md_intent_getattr_async(struct obd_export *exp,
2063 struct md_enqueue_info *minfo,
2064 struct ldlm_enqueue_info *einfo)
2068 EXP_CHECK_MD_OP(exp, intent_getattr_async);
2069 EXP_MD_COUNTER_INCREMENT(exp, intent_getattr_async);
2070 rc = MDP(exp->exp_obd, intent_getattr_async)(exp, minfo, einfo);
2074 static inline int md_revalidate_lock(struct obd_export *exp,
2075 struct lookup_intent *it,
2080 EXP_CHECK_MD_OP(exp, revalidate_lock);
2081 EXP_MD_COUNTER_INCREMENT(exp, revalidate_lock);
2082 rc = MDP(exp->exp_obd, revalidate_lock)(exp, it, fid);
2087 /* OBD Metadata Support */
2089 extern int obd_init_caches(void);
2090 extern void obd_cleanup_caches(void);
2092 /* support routines */
2093 extern cfs_mem_cache_t *obdo_cachep;
2095 #define OBDO_ALLOC(ptr) \
2097 OBD_SLAB_ALLOC_PTR((ptr), obdo_cachep); \
2100 #define OBDO_FREE(ptr) \
2102 OBD_SLAB_FREE_PTR((ptr), obdo_cachep); \
2106 static inline void obdo2fid(struct obdo *oa, struct lu_fid *fid)
2108 /* something here */
2111 static inline void fid2obdo(struct lu_fid *fid, struct obdo *oa)
2113 /* something here */
2116 /* I'm as embarrassed about this as you are.
2118 * <shaver> // XXX do not look into _superhack with remaining eye
2119 * <shaver> // XXX if this were any uglier, I'd get my own show on MTV */
2120 extern int (*ptlrpc_put_connection_superhack)(struct ptlrpc_connection *c);
2123 extern void obd_sysctl_init (void);
2124 extern void obd_sysctl_clean (void);
2127 typedef __u8 class_uuid_t[16];
2128 void class_uuid_unparse(class_uuid_t in, struct obd_uuid *out);
2131 int lustre_uuid_to_peer(const char *uuid, lnet_nid_t *peer_nid, int index);
2132 int class_add_uuid(const char *uuid, __u64 nid);
2133 int class_del_uuid (const char *uuid);
2134 void class_init_uuidlist(void);
2135 void class_exit_uuidlist(void);
2138 int mea_name2idx(struct lmv_stripe_md *mea, const char *name, int namelen);
2139 int raw_name2idx(int hashtype, int count, const char *name, int namelen);
2142 void ll_generate_random_uuid(class_uuid_t uuid_out);
2144 #endif /* __LINUX_OBD_CLASS_H */