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.
27 # include <liblustre.h>
30 #include <obd_support.h>
31 #include <lustre_import.h>
32 #include <lustre_net.h>
34 #include <lustre_lib.h>
35 #include <lustre/lustre_idl.h>
36 #include <lprocfs_status.h>
38 #if defined(__linux__)
39 #include <linux/obd_class.h>
40 #elif defined(__APPLE__)
41 #include <darwin/obd_class.h>
42 #elif defined(__WINNT__)
43 #include <winnt/obd_class.h>
45 #error Unsupported operating system.
48 /* OBD Device Declarations */
49 extern struct obd_device *obd_devs[MAX_OBD_DEVICES];
50 extern spinlock_t obd_dev_lock;
52 /* OBD Operations Declarations */
53 extern struct obd_device *class_conn2obd(struct lustre_handle *);
54 extern struct obd_device *class_exp2obd(struct obd_export *);
56 struct lu_device_type;
59 struct obd_export *class_conn2export(struct lustre_handle *);
60 int class_register_type(struct obd_ops *, struct md_ops *,
61 struct lprocfs_vars *, const char *nm,
62 struct lu_device_type *ldt);
63 int class_unregister_type(const char *nm);
65 struct obd_device *class_newdev(const char *type_name, const char *name);
66 void class_release_dev(struct obd_device *obd);
68 int class_name2dev(const char *name);
69 struct obd_device *class_name2obd(const char *name);
70 int class_uuid2dev(struct obd_uuid *uuid);
71 struct obd_device *class_uuid2obd(struct obd_uuid *uuid);
72 void class_obd_list(void);
73 struct obd_device * class_find_client_obd(struct obd_uuid *tgt_uuid,
74 const char * typ_name,
75 struct obd_uuid *grp_uuid);
76 struct obd_device * class_find_client_notype(struct obd_uuid *tgt_uuid,
77 struct obd_uuid *grp_uuid);
78 struct obd_device * class_devices_in_group(struct obd_uuid *grp_uuid,
80 struct obd_device * class_num2obd(int num);
82 int oig_init(struct obd_io_group **oig);
83 int oig_add_one(struct obd_io_group *oig, struct oig_callback_context *occ);
84 void oig_complete_one(struct obd_io_group *oig,
85 struct oig_callback_context *occ, int rc);
86 void oig_release(struct obd_io_group *oig);
87 int oig_wait(struct obd_io_group *oig);
89 char *obd_export_nid2str(struct obd_export *exp);
91 int obd_export_evict_by_nid(struct obd_device *obd, const char *nid);
92 int obd_export_evict_by_uuid(struct obd_device *obd, const char *uuid);
95 int class_process_config(struct lustre_cfg *lcfg);
96 int class_process_proc_param(char *prefix, struct lprocfs_vars *lvars,
97 struct lustre_cfg *lcfg, void *data);
98 int class_attach(struct lustre_cfg *lcfg);
99 int class_setup(struct obd_device *obd, struct lustre_cfg *lcfg);
100 int class_cleanup(struct obd_device *obd, struct lustre_cfg *lcfg);
101 int class_detach(struct obd_device *obd, struct lustre_cfg *lcfg);
102 struct obd_device *class_incref(struct obd_device *obd);
103 void class_decref(struct obd_device *obd);
107 extern void lprocfs_echo_init_vars(struct lprocfs_static_vars *lvars);
109 static inline void lprocfs_echo_init_vars(struct lprocfs_static_vars *lvars)
111 memset(lvars, 0, sizeof(*lvars));
115 #define CFG_F_START 0x01 /* Set when we start updating from a log */
116 #define CFG_F_MARKER 0x02 /* We are within a maker */
117 #define CFG_F_SKIP 0x04 /* We should ignore this cfg command */
118 #define CFG_F_COMPAT146 0x08 /* Allow old-style logs */
119 #define CFG_F_EXCLUDE 0x10 /* OST exclusion list */
121 /* Passed as data param to class_config_parse_llog */
122 struct config_llog_instance {
124 struct super_block *cfg_sb;
125 struct obd_uuid cfg_uuid;
126 int cfg_last_idx; /* for partial llog processing */
129 int class_config_parse_llog(struct llog_ctxt *ctxt, char *name,
130 struct config_llog_instance *cfg);
131 int class_config_dump_llog(struct llog_ctxt *ctxt, char *name,
132 struct config_llog_instance *cfg);
134 /* list of active configuration logs */
135 struct config_llog_data {
137 struct ldlm_res_id cld_resid;
138 struct config_llog_instance cld_cfg;
139 struct list_head cld_list_chain;
140 atomic_t cld_refcount;
141 struct obd_export *cld_mgcexp;
142 unsigned int cld_stopping:1, /* we were told to stop watching */
143 cld_lostlock:1; /* lock not requeued */
146 struct lustre_profile {
147 struct list_head lp_list;
153 struct lustre_profile *class_get_profile(const char * prof);
154 void class_del_profile(const char *prof);
155 void class_del_profiles(void);
157 #define class_export_rpc_get(exp) \
159 atomic_inc(&(exp)->exp_rpc_count); \
160 CDEBUG(D_INFO, "RPC GETting export %p : new rpc_count %d\n", \
161 (exp), atomic_read(&(exp)->exp_rpc_count)); \
162 class_export_get(exp); \
165 #define class_export_rpc_put(exp) \
167 atomic_dec(&(exp)->exp_rpc_count); \
168 CDEBUG(D_INFO, "RPC PUTting export %p : new rpc_count %d\n", \
169 (exp), atomic_read(&(exp)->exp_rpc_count)); \
170 class_export_put(exp); \
174 #define class_export_get(exp) \
176 struct obd_export *exp_ = exp; \
177 atomic_inc(&exp_->exp_refcount); \
178 CDEBUG(D_INFO, "GETting export %p : new refcount %d\n", exp_, \
179 atomic_read(&exp_->exp_refcount)); \
183 #define class_export_put(exp) \
185 LASSERT((exp) != NULL); \
186 CDEBUG(D_INFO, "PUTting export %p : new refcount %d\n", (exp), \
187 atomic_read(&(exp)->exp_refcount) - 1); \
188 LASSERT(atomic_read(&(exp)->exp_refcount) > 0); \
189 LASSERT(atomic_read(&(exp)->exp_refcount) < 0x5a5a5a); \
190 __class_export_put(exp); \
193 void __class_export_put(struct obd_export *);
194 struct obd_export *class_new_export(struct obd_device *obddev,
195 struct obd_uuid *cluuid);
196 void class_unlink_export(struct obd_export *exp);
198 struct obd_import *class_import_get(struct obd_import *);
199 void class_import_put(struct obd_import *);
200 struct obd_import *class_new_import(struct obd_device *obd);
201 void class_destroy_import(struct obd_import *exp);
203 struct obd_type *class_search_type(const char *name);
204 struct obd_type *class_get_type(const char *name);
205 void class_put_type(struct obd_type *type);
206 int class_connect(struct lustre_handle *conn, struct obd_device *obd,
207 struct obd_uuid *cluuid);
208 int class_disconnect(struct obd_export *exp);
209 void class_fail_export(struct obd_export *exp);
210 void class_disconnect_exports(struct obd_device *obddev);
211 int class_disconnect_stale_exports(struct obd_device *,
212 int (*test_export)(struct obd_export *));
213 int class_manual_cleanup(struct obd_device *obd);
215 void obdo_cpy_md(struct obdo *dst, struct obdo *src, obd_flag valid);
216 void obdo_to_ioobj(struct obdo *oa, struct obd_ioobj *ioobj);
217 void obdo_from_iattr(struct obdo *oa, struct iattr *attr,
218 unsigned int ia_valid);
219 void iattr_from_obdo(struct iattr *attr, struct obdo *oa, obd_flag valid);
220 void md_from_obdo(struct md_op_data *op_data, struct obdo *oa, obd_flag valid);
221 void obdo_from_md(struct obdo *oa, struct md_op_data *op_data,
224 #define OBT(dev) (dev)->obd_type
225 #define OBP(dev, op) (dev)->obd_type->typ_dt_ops->o_ ## op
226 #define MDP(dev, op) (dev)->obd_type->typ_md_ops->m_ ## op
227 #define CTXTP(ctxt, op) (ctxt)->loc_logops->lop_##op
229 /* Ensure obd_setup: used for cleanup which must be called
230 while obd is stopping */
231 #define OBD_CHECK_DEV(obd) \
234 CERROR("NULL device\n"); \
239 /* ensure obd_setup and !obd_stopping */
240 #define OBD_CHECK_DEV_ACTIVE(obd) \
242 OBD_CHECK_DEV(obd); \
243 if (!(obd)->obd_set_up || (obd)->obd_stopping) { \
244 CERROR("Device %d not setup\n", \
252 #define OBD_COUNTER_OFFSET(op) \
253 ((offsetof(struct obd_ops, o_ ## op) - \
254 offsetof(struct obd_ops, o_iocontrol)) \
255 / sizeof(((struct obd_ops *)(0))->o_iocontrol))
257 #define OBD_COUNTER_INCREMENT(obdx, op) \
258 if ((obdx)->obd_stats != NULL) { \
259 unsigned int coffset; \
260 coffset = (unsigned int)((obdx)->obd_cntr_base) + \
261 OBD_COUNTER_OFFSET(op); \
262 LASSERT(coffset < (obdx)->obd_stats->ls_num); \
263 lprocfs_counter_incr((obdx)->obd_stats, coffset); \
266 #define EXP_COUNTER_INCREMENT(export, op) \
267 if ((export)->exp_obd->obd_stats != NULL) { \
268 unsigned int coffset; \
269 coffset = (unsigned int)((export)->exp_obd->obd_cntr_base) + \
270 OBD_COUNTER_OFFSET(op); \
271 LASSERT(coffset < (export)->exp_obd->obd_stats->ls_num); \
272 lprocfs_counter_incr((export)->exp_obd->obd_stats, coffset); \
273 if ((export)->exp_ops_stats != NULL) \
274 lprocfs_counter_incr( \
275 (export)->exp_ops_stats, coffset); \
278 #define MD_COUNTER_OFFSET(op) \
279 ((offsetof(struct md_ops, m_ ## op) - \
280 offsetof(struct md_ops, m_getstatus)) \
281 / sizeof(((struct md_ops *)(0))->m_getstatus))
283 #define MD_COUNTER_INCREMENT(obdx, op) \
284 if ((obd)->md_stats != NULL) { \
285 unsigned int coffset; \
286 coffset = (unsigned int)((obdx)->md_cntr_base) + \
287 MD_COUNTER_OFFSET(op); \
288 LASSERT(coffset < (obdx)->md_stats->ls_num); \
289 lprocfs_counter_incr((obdx)->md_stats, coffset); \
292 #define EXP_MD_COUNTER_INCREMENT(export, op) \
293 if ((export)->exp_obd->obd_stats != NULL) { \
294 unsigned int coffset; \
295 coffset = (unsigned int)((export)->exp_obd->md_cntr_base) + \
296 MD_COUNTER_OFFSET(op); \
297 LASSERT(coffset < (export)->exp_obd->md_stats->ls_num); \
298 lprocfs_counter_incr((export)->exp_obd->md_stats, coffset); \
299 if ((export)->exp_md_stats != NULL) \
300 lprocfs_counter_incr( \
301 (export)->exp_md_stats, coffset); \
305 #define OBD_COUNTER_OFFSET(op)
306 #define OBD_COUNTER_INCREMENT(obd, op)
307 #define EXP_COUNTER_INCREMENT(exp, op)
308 #define MD_COUNTER_INCREMENT(obd, op)
309 #define EXP_MD_COUNTER_INCREMENT(exp, op)
312 #define OBD_CHECK_MD_OP(obd, op, err) \
314 if (!OBT(obd) || !MDP((obd), op)) { \
316 CERROR("md_" #op ": dev %s/%d no operation\n", \
317 obd->obd_name, obd->obd_minor); \
322 #define EXP_CHECK_MD_OP(exp, op) \
324 if ((exp) == NULL) { \
325 CERROR("obd_" #op ": NULL export\n"); \
328 if ((exp)->exp_obd == NULL || !OBT((exp)->exp_obd)) { \
329 CERROR("obd_" #op ": cleaned up obd\n"); \
330 RETURN(-EOPNOTSUPP); \
332 if (!OBT((exp)->exp_obd) || !MDP((exp)->exp_obd, op)) { \
333 CERROR("obd_" #op ": dev %s/%d no operation\n", \
334 (exp)->exp_obd->obd_name, \
335 (exp)->exp_obd->obd_minor); \
336 RETURN(-EOPNOTSUPP); \
341 #define OBD_CHECK_DT_OP(obd, op, err) \
343 if (!OBT(obd) || !OBP((obd), op)) { \
345 CERROR("obd_" #op ": dev %d no operation\n", \
351 #define EXP_CHECK_DT_OP(exp, op) \
353 if ((exp) == NULL) { \
354 CERROR("obd_" #op ": NULL export\n"); \
357 if ((exp)->exp_obd == NULL || !OBT((exp)->exp_obd)) { \
358 CERROR("obd_" #op ": cleaned up obd\n"); \
359 RETURN(-EOPNOTSUPP); \
361 if (!OBT((exp)->exp_obd) || !OBP((exp)->exp_obd, op)) { \
362 CERROR("obd_" #op ": dev %d no operation\n", \
363 (exp)->exp_obd->obd_minor); \
364 RETURN(-EOPNOTSUPP); \
368 #define CTXT_CHECK_OP(ctxt, op, err) \
370 if (!OBT(ctxt->loc_obd) || !CTXTP((ctxt), op)) { \
372 CERROR("lop_" #op ": dev %d no operation\n", \
373 ctxt->loc_obd->obd_minor); \
378 static inline int class_devno_max(void)
380 return MAX_OBD_DEVICES;
383 static inline int obd_get_info(struct obd_export *exp, __u32 keylen,
384 void *key, __u32 *vallen, void *val)
389 EXP_CHECK_DT_OP(exp, get_info);
390 EXP_COUNTER_INCREMENT(exp, get_info);
392 rc = OBP(exp->exp_obd, get_info)(exp, keylen, key, vallen, val);
396 static inline int obd_set_info_async(struct obd_export *exp, obd_count keylen,
397 void *key, obd_count vallen, void *val,
398 struct ptlrpc_request_set *set)
403 EXP_CHECK_DT_OP(exp, set_info_async);
404 EXP_COUNTER_INCREMENT(exp, set_info_async);
406 rc = OBP(exp->exp_obd, set_info_async)(exp, keylen, key, vallen, val,
412 #define DECLARE_LU_VARS(ldt, d) \
413 struct lu_device_type *ldt; \
416 #define DECLARE_LU_VARS(ldt, d) \
417 extern void __placeholder_to_put_a_semicolon(void)
419 static inline int obd_setup(struct obd_device *obd, struct lustre_cfg *cfg)
422 DECLARE_LU_VARS(ldt, d);
426 ldt = obd->obd_type->typ_lu;
430 rc = lu_env_init(&env, NULL, ldt->ldt_ctx_tags);
432 d = ldt->ldt_ops->ldto_device_alloc(&env, ldt, cfg);
444 OBD_CHECK_DT_OP(obd, setup, -EOPNOTSUPP);
445 OBD_COUNTER_INCREMENT(obd, setup);
446 rc = OBP(obd, setup)(obd, cfg);
451 static inline int obd_precleanup(struct obd_device *obd,
452 enum obd_cleanup_stage cleanup_stage)
455 DECLARE_LU_VARS(ldt, d);
460 ldt = obd->obd_type->typ_lu;
464 if (cleanup_stage == OBD_CLEANUP_EXPORTS) {
467 rc = lu_env_init(&env, NULL, ldt->ldt_ctx_tags);
469 ldt->ldt_ops->ldto_device_fini(&env, d);
478 OBD_CHECK_DT_OP(obd, precleanup, 0);
479 rc = OBP(obd, precleanup)(obd, cleanup_stage);
482 OBD_COUNTER_INCREMENT(obd, precleanup);
486 static inline int obd_cleanup(struct obd_device *obd)
489 DECLARE_LU_VARS(ldt, d);
495 ldt = obd->obd_type->typ_lu;
501 rc = lu_env_init(&env, NULL, ldt->ldt_ctx_tags);
503 ldt->ldt_ops->ldto_device_free(&env, d);
505 obd->obd_lu_dev = NULL;
510 OBD_CHECK_DT_OP(obd, cleanup, 0);
511 rc = OBP(obd, cleanup)(obd);
513 OBD_COUNTER_INCREMENT(obd, cleanup);
518 obd_process_config(struct obd_device *obd, int datalen, void *data)
521 DECLARE_LU_VARS(ldt, d);
527 ldt = obd->obd_type->typ_lu;
529 if (ldt != NULL && d != NULL) {
532 rc = lu_env_init(&env, NULL, ldt->ldt_ctx_tags);
534 rc = d->ld_ops->ldo_process_config(&env, d, data);
540 OBD_CHECK_DT_OP(obd, process_config, -EOPNOTSUPP);
541 rc = OBP(obd, process_config)(obd, datalen, data);
543 OBD_COUNTER_INCREMENT(obd, process_config);
548 /* Pack an in-memory MD struct for storage on disk.
549 * Returns +ve size of packed MD (0 for free), or -ve error.
551 * If @disk_tgt == NULL, MD size is returned (max size if @mem_src == NULL).
552 * If @*disk_tgt != NULL and @mem_src == NULL, @*disk_tgt will be freed.
553 * If @*disk_tgt == NULL, it will be allocated
555 static inline int obd_packmd(struct obd_export *exp,
556 struct lov_mds_md **disk_tgt,
557 struct lov_stripe_md *mem_src)
562 EXP_CHECK_DT_OP(exp, packmd);
563 EXP_COUNTER_INCREMENT(exp, packmd);
565 rc = OBP(exp->exp_obd, packmd)(exp, disk_tgt, mem_src);
569 static inline int obd_size_diskmd(struct obd_export *exp,
570 struct lov_stripe_md *mem_src)
572 return obd_packmd(exp, NULL, mem_src);
575 /* helper functions */
576 static inline int obd_alloc_diskmd(struct obd_export *exp,
577 struct lov_mds_md **disk_tgt)
580 LASSERT(*disk_tgt == NULL);
581 return obd_packmd(exp, disk_tgt, NULL);
584 static inline int obd_free_diskmd(struct obd_export *exp,
585 struct lov_mds_md **disk_tgt)
589 return obd_packmd(exp, disk_tgt, NULL);
592 /* Unpack an MD struct from disk to in-memory format.
593 * Returns +ve size of unpacked MD (0 for free), or -ve error.
595 * If @mem_tgt == NULL, MD size is returned (max size if @disk_src == NULL).
596 * If @*mem_tgt != NULL and @disk_src == NULL, @*mem_tgt will be freed.
597 * If @*mem_tgt == NULL, it will be allocated
599 static inline int obd_unpackmd(struct obd_export *exp,
600 struct lov_stripe_md **mem_tgt,
601 struct lov_mds_md *disk_src,
607 EXP_CHECK_DT_OP(exp, unpackmd);
608 EXP_COUNTER_INCREMENT(exp, unpackmd);
610 rc = OBP(exp->exp_obd, unpackmd)(exp, mem_tgt, disk_src, disk_len);
614 /* helper functions */
615 static inline int obd_alloc_memmd(struct obd_export *exp,
616 struct lov_stripe_md **mem_tgt)
619 LASSERT(*mem_tgt == NULL);
620 return obd_unpackmd(exp, mem_tgt, NULL, 0);
623 static inline int obd_free_memmd(struct obd_export *exp,
624 struct lov_stripe_md **mem_tgt)
628 return obd_unpackmd(exp, mem_tgt, NULL, 0);
631 static inline int obd_checkmd(struct obd_export *exp,
632 struct obd_export *md_exp,
633 struct lov_stripe_md *mem_tgt)
638 EXP_CHECK_DT_OP(exp, checkmd);
639 EXP_COUNTER_INCREMENT(exp, checkmd);
641 rc = OBP(exp->exp_obd, checkmd)(exp, md_exp, mem_tgt);
645 static inline int obd_precreate(struct obd_export *exp)
650 EXP_CHECK_DT_OP(exp, precreate);
651 OBD_COUNTER_INCREMENT(exp->exp_obd, precreate);
653 rc = OBP(exp->exp_obd, precreate)(exp);
657 static inline int obd_create(struct obd_export *exp, struct obdo *obdo,
658 struct lov_stripe_md **ea,
659 struct obd_trans_info *oti)
664 EXP_CHECK_DT_OP(exp, create);
665 EXP_COUNTER_INCREMENT(exp, create);
667 rc = OBP(exp->exp_obd, create)(exp, obdo, ea, oti);
671 static inline int obd_destroy(struct obd_export *exp, struct obdo *obdo,
672 struct lov_stripe_md *ea,
673 struct obd_trans_info *oti,
674 struct obd_export *md_exp)
679 EXP_CHECK_DT_OP(exp, destroy);
680 EXP_COUNTER_INCREMENT(exp, destroy);
682 rc = OBP(exp->exp_obd, destroy)(exp, obdo, ea, oti, md_exp);
686 static inline int obd_getattr(struct obd_export *exp, struct obd_info *oinfo)
691 EXP_CHECK_DT_OP(exp, getattr);
692 EXP_COUNTER_INCREMENT(exp, getattr);
694 rc = OBP(exp->exp_obd, getattr)(exp, oinfo);
698 static inline int obd_getattr_async(struct obd_export *exp,
699 struct obd_info *oinfo,
700 struct ptlrpc_request_set *set)
705 EXP_CHECK_DT_OP(exp, getattr_async);
706 EXP_COUNTER_INCREMENT(exp, getattr_async);
708 rc = OBP(exp->exp_obd, getattr_async)(exp, oinfo, set);
712 static inline int obd_setattr(struct obd_export *exp, struct obd_info *oinfo,
713 struct obd_trans_info *oti)
718 EXP_CHECK_DT_OP(exp, setattr);
719 EXP_COUNTER_INCREMENT(exp, setattr);
721 rc = OBP(exp->exp_obd, setattr)(exp, oinfo, oti);
725 /* This performs all the requests set init/wait/destroy actions. */
726 static inline int obd_setattr_rqset(struct obd_export *exp,
727 struct obd_info *oinfo,
728 struct obd_trans_info *oti)
730 struct ptlrpc_request_set *set = NULL;
734 EXP_CHECK_DT_OP(exp, setattr_async);
735 EXP_COUNTER_INCREMENT(exp, setattr_async);
737 set = ptlrpc_prep_set();
741 rc = OBP(exp->exp_obd, setattr_async)(exp, oinfo, oti, set);
743 rc = ptlrpc_set_wait(set);
744 ptlrpc_set_destroy(set);
748 /* This adds all the requests into @set if @set != NULL, otherwise
749 all requests are sent asynchronously without waiting for response. */
750 static inline int obd_setattr_async(struct obd_export *exp,
751 struct obd_info *oinfo,
752 struct obd_trans_info *oti,
753 struct ptlrpc_request_set *set)
758 EXP_CHECK_DT_OP(exp, setattr_async);
759 EXP_COUNTER_INCREMENT(exp, setattr_async);
761 rc = OBP(exp->exp_obd, setattr_async)(exp, oinfo, oti, set);
765 static inline int obd_add_conn(struct obd_import *imp, struct obd_uuid *uuid,
768 struct obd_device *obd = imp->imp_obd;
772 OBD_CHECK_DEV_ACTIVE(obd);
773 OBD_CHECK_DT_OP(obd, add_conn, -EOPNOTSUPP);
774 OBD_COUNTER_INCREMENT(obd, add_conn);
776 rc = OBP(obd, add_conn)(imp, uuid, priority);
780 static inline int obd_del_conn(struct obd_import *imp, struct obd_uuid *uuid)
782 struct obd_device *obd = imp->imp_obd;
786 OBD_CHECK_DEV_ACTIVE(obd);
787 OBD_CHECK_DT_OP(obd, del_conn, -EOPNOTSUPP);
788 OBD_COUNTER_INCREMENT(obd, del_conn);
790 rc = OBP(obd, del_conn)(imp, uuid);
794 static inline int obd_connect(const struct lu_env *env,
795 struct lustre_handle *conn,struct obd_device *obd,
796 struct obd_uuid *cluuid,
797 struct obd_connect_data *d)
801 __u64 ocf = d ? d->ocd_connect_flags : 0; /* for post-condition
806 OBD_CHECK_DEV_ACTIVE(obd);
807 OBD_CHECK_DT_OP(obd, connect, -EOPNOTSUPP);
808 OBD_COUNTER_INCREMENT(obd, connect);
810 rc = OBP(obd, connect)(env, conn, obd, cluuid, d);
811 /* check that only subset is granted */
812 LASSERT(ergo(d != NULL,
813 (d->ocd_connect_flags & ocf) == d->ocd_connect_flags));
817 static inline int obd_reconnect(const struct lu_env *env,
818 struct obd_export *exp,
819 struct obd_device *obd,
820 struct obd_uuid *cluuid,
821 struct obd_connect_data *d)
825 __u64 ocf = d ? d->ocd_connect_flags : 0; /* for post-condition
831 OBD_CHECK_DEV_ACTIVE(obd);
832 OBD_CHECK_DT_OP(obd, reconnect, 0);
833 OBD_COUNTER_INCREMENT(obd, reconnect);
835 rc = OBP(obd, reconnect)(env, exp, obd, cluuid, d);
836 /* check that only subset is granted */
837 LASSERT(ergo(d != NULL,
838 (d->ocd_connect_flags & ocf) == d->ocd_connect_flags));
842 static inline int obd_disconnect(struct obd_export *exp)
847 EXP_CHECK_DT_OP(exp, disconnect);
848 EXP_COUNTER_INCREMENT(exp, disconnect);
850 rc = OBP(exp->exp_obd, disconnect)(exp);
854 static inline int obd_fid_init(struct obd_export *exp)
859 OBD_CHECK_DT_OP(exp->exp_obd, fid_init, 0);
860 EXP_COUNTER_INCREMENT(exp, fid_init);
862 rc = OBP(exp->exp_obd, fid_init)(exp);
866 static inline int obd_fid_fini(struct obd_export *exp)
871 OBD_CHECK_DT_OP(exp->exp_obd, fid_fini, 0);
872 EXP_COUNTER_INCREMENT(exp, fid_fini);
874 rc = OBP(exp->exp_obd, fid_fini)(exp);
878 static inline int obd_fid_alloc(struct obd_export *exp,
880 struct md_op_data *op_data)
885 EXP_CHECK_DT_OP(exp, fid_alloc);
886 EXP_COUNTER_INCREMENT(exp, fid_alloc);
888 rc = OBP(exp->exp_obd, fid_alloc)(exp, fid, op_data);
892 static inline int obd_fid_delete(struct obd_export *exp,
893 const struct lu_fid *fid)
898 EXP_CHECK_DT_OP(exp, fid_delete);
899 EXP_COUNTER_INCREMENT(exp, fid_delete);
901 rc = OBP(exp->exp_obd, fid_delete)(exp, fid);
905 static inline int obd_ping(struct obd_export *exp)
910 OBD_CHECK_DT_OP(exp->exp_obd, ping, 0);
911 EXP_COUNTER_INCREMENT(exp, ping);
913 rc = OBP(exp->exp_obd, ping)(exp);
917 static inline int obd_init_export(struct obd_export *exp)
922 if ((exp)->exp_obd != NULL && OBT((exp)->exp_obd) &&
923 OBP((exp)->exp_obd, init_export))
924 rc = OBP(exp->exp_obd, init_export)(exp);
928 static inline int obd_destroy_export(struct obd_export *exp)
931 if ((exp)->exp_obd != NULL && OBT((exp)->exp_obd) &&
932 OBP((exp)->exp_obd, destroy_export))
933 OBP(exp->exp_obd, destroy_export)(exp);
937 static inline int obd_extent_calc(struct obd_export *exp,
938 struct lov_stripe_md *md,
939 int cmd, obd_off *offset)
943 EXP_CHECK_DT_OP(exp, extent_calc);
944 rc = OBP(exp->exp_obd, extent_calc)(exp, md, cmd, offset);
948 static inline struct dentry *
949 obd_lvfs_fid2dentry(struct obd_export *exp, __u64 id_ino, __u32 gen, __u64 gr)
951 LASSERT(exp->exp_obd);
953 return lvfs_fid2dentry(&exp->exp_obd->obd_lvfs_ctxt, id_ino, gen, gr,
958 obd_lvfs_open_llog(struct obd_export *exp, __u64 id_ino, struct dentry *dentry)
960 LASSERT(exp->exp_obd);
961 CERROR("FIXME what's the story here? This needs to be an obd fn?\n");
963 return lvfs_open_llog(&exp->exp_obd->obd_lvfs_ctxt, id_ino,
964 dentry, exp->exp_obd);
970 #define time_before(t1, t2) ((long)t2 - (long)t1 > 0)
973 /* @max_age is the oldest time in jiffies that we accept using a cached data.
974 * If the cache is older than @max_age we will get a new value from the
975 * target. Use a value of "cfs_time_current() + HZ" to guarantee freshness. */
976 static inline int obd_statfs_async(struct obd_device *obd,
977 struct obd_info *oinfo,
979 struct ptlrpc_request_set *rqset)
987 OBD_CHECK_DT_OP(obd, statfs, -EOPNOTSUPP);
988 OBD_COUNTER_INCREMENT(obd, statfs);
990 CDEBUG(D_SUPER, "%s: osfs %p age "LPU64", max_age "LPU64"\n",
991 obd->obd_name, &obd->obd_osfs, obd->obd_osfs_age, max_age);
992 if (cfs_time_before_64(obd->obd_osfs_age, max_age)) {
993 rc = OBP(obd, statfs_async)(obd, oinfo, max_age, rqset);
995 CDEBUG(D_SUPER,"%s: use %p cache blocks "LPU64"/"LPU64
996 " objects "LPU64"/"LPU64"\n",
997 obd->obd_name, &obd->obd_osfs,
998 obd->obd_osfs.os_bavail, obd->obd_osfs.os_blocks,
999 obd->obd_osfs.os_ffree, obd->obd_osfs.os_files);
1000 spin_lock(&obd->obd_osfs_lock);
1001 memcpy(oinfo->oi_osfs, &obd->obd_osfs, sizeof(*oinfo->oi_osfs));
1002 spin_unlock(&obd->obd_osfs_lock);
1003 if (oinfo->oi_cb_up)
1004 oinfo->oi_cb_up(oinfo, 0);
1009 static inline int obd_statfs_rqset(struct obd_device *obd,
1010 struct obd_statfs *osfs, __u64 max_age,
1013 struct ptlrpc_request_set *set = NULL;
1014 struct obd_info oinfo = { { { 0 } } };
1018 set = ptlrpc_prep_set();
1022 oinfo.oi_osfs = osfs;
1023 rc = obd_statfs_async(obd, &oinfo, max_age, set);
1025 struct ptlrpc_request *req;
1028 list_for_each_entry(req, &set->set_requests,
1030 spin_lock(&req->rq_lock);
1031 req->rq_no_resend = 1;
1032 req->rq_no_delay = 1;
1033 spin_unlock(&req->rq_lock);
1035 rc = ptlrpc_set_wait(set);
1037 ptlrpc_set_destroy(set);
1041 /* @max_age is the oldest time in jiffies that we accept using a cached data.
1042 * If the cache is older than @max_age we will get a new value from the
1043 * target. Use a value of "cfs_time_current() + HZ" to guarantee freshness. */
1044 static inline int obd_statfs(struct obd_device *obd, struct obd_statfs *osfs,
1053 OBD_CHECK_DT_OP(obd, statfs, -EOPNOTSUPP);
1054 OBD_COUNTER_INCREMENT(obd, statfs);
1056 CDEBUG(D_SUPER, "osfs "LPU64", max_age "LPU64"\n",
1057 obd->obd_osfs_age, max_age);
1058 if (cfs_time_before_64(obd->obd_osfs_age, max_age)) {
1059 rc = OBP(obd, statfs)(obd, osfs, max_age);
1061 spin_lock(&obd->obd_osfs_lock);
1062 memcpy(&obd->obd_osfs, osfs, sizeof(obd->obd_osfs));
1063 obd->obd_osfs_age = cfs_time_current_64();
1064 spin_unlock(&obd->obd_osfs_lock);
1067 CDEBUG(D_SUPER,"%s: use %p cache blocks "LPU64"/"LPU64
1068 " objects "LPU64"/"LPU64"\n",
1069 obd->obd_name, &obd->obd_osfs,
1070 obd->obd_osfs.os_bavail, obd->obd_osfs.os_blocks,
1071 obd->obd_osfs.os_ffree, obd->obd_osfs.os_files);
1072 spin_lock(&obd->obd_osfs_lock);
1073 memcpy(osfs, &obd->obd_osfs, sizeof(*osfs));
1074 spin_unlock(&obd->obd_osfs_lock);
1079 static inline int obd_sync(struct obd_export *exp, struct obdo *oa,
1080 struct lov_stripe_md *ea, obd_size start,
1081 obd_size end, void *capa)
1086 OBD_CHECK_DT_OP(exp->exp_obd, sync, -EOPNOTSUPP);
1087 EXP_COUNTER_INCREMENT(exp, sync);
1089 rc = OBP(exp->exp_obd, sync)(exp, oa, ea, start, end, capa);
1093 static inline int obd_punch_rqset(struct obd_export *exp,
1094 struct obd_info *oinfo,
1095 struct obd_trans_info *oti)
1097 struct ptlrpc_request_set *set = NULL;
1101 EXP_CHECK_DT_OP(exp, punch);
1102 EXP_COUNTER_INCREMENT(exp, punch);
1104 set = ptlrpc_prep_set();
1108 rc = OBP(exp->exp_obd, punch)(exp, oinfo, oti, set);
1110 rc = ptlrpc_set_wait(set);
1111 ptlrpc_set_destroy(set);
1115 static inline int obd_punch(struct obd_export *exp, struct obd_info *oinfo,
1116 struct obd_trans_info *oti,
1117 struct ptlrpc_request_set *rqset)
1122 EXP_CHECK_DT_OP(exp, punch);
1123 EXP_COUNTER_INCREMENT(exp, punch);
1125 rc = OBP(exp->exp_obd, punch)(exp, oinfo, oti, rqset);
1129 static inline int obd_brw(int cmd, struct obd_export *exp,
1130 struct obd_info *oinfo, obd_count oa_bufs,
1131 struct brw_page *pg, struct obd_trans_info *oti)
1136 EXP_CHECK_DT_OP(exp, brw);
1137 EXP_COUNTER_INCREMENT(exp, brw);
1139 if (!(cmd & (OBD_BRW_RWMASK | OBD_BRW_CHECK))) {
1140 CERROR("obd_brw: cmd must be OBD_BRW_READ, OBD_BRW_WRITE, "
1141 "or OBD_BRW_CHECK\n");
1145 rc = OBP(exp->exp_obd, brw)(cmd, exp, oinfo, oa_bufs, pg, oti);
1149 static inline int obd_brw_async(int cmd, struct obd_export *exp,
1150 struct obd_info *oinfo, obd_count oa_bufs,
1151 struct brw_page *pg, struct obd_trans_info *oti,
1152 struct ptlrpc_request_set *set)
1157 EXP_CHECK_DT_OP(exp, brw_async);
1158 EXP_COUNTER_INCREMENT(exp, brw_async);
1160 if (!(cmd & OBD_BRW_RWMASK)) {
1161 CERROR("obd_brw: cmd must be OBD_BRW_READ or OBD_BRW_WRITE\n");
1165 rc = OBP(exp->exp_obd, brw_async)(cmd, exp, oinfo, oa_bufs, pg,oti,set);
1169 static inline int obd_brw_rqset(int cmd, struct obd_export *exp,
1170 struct obdo *oa, struct lov_stripe_md *lsm,
1171 obd_count oa_bufs, struct brw_page *pg,
1172 struct obd_trans_info *oti,
1173 struct obd_capa *ocapa)
1175 struct ptlrpc_request_set *set = NULL;
1176 struct obd_info oinfo = { { { 0 } } };
1180 set = ptlrpc_prep_set();
1186 oinfo.oi_capa = ocapa;
1187 rc = obd_brw_async(cmd, exp, &oinfo, oa_bufs, pg, oti, set);
1189 rc = ptlrpc_set_wait(set);
1191 CERROR("error from callback: rc = %d\n", rc);
1193 CDEBUG(rc == -ENOSPC ? D_INODE : D_ERROR,
1194 "error from obd_brw_async: rc = %d\n", rc);
1196 ptlrpc_set_destroy(set);
1200 static inline int obd_prep_async_page(struct obd_export *exp,
1201 struct lov_stripe_md *lsm,
1202 struct lov_oinfo *loi,
1203 cfs_page_t *page, obd_off offset,
1204 struct obd_async_page_ops *ops,
1205 void *data, void **res)
1210 EXP_CHECK_DT_OP(exp, prep_async_page);
1211 EXP_COUNTER_INCREMENT(exp, prep_async_page);
1213 ret = OBP(exp->exp_obd, prep_async_page)(exp, lsm, loi, page, offset,
1218 static inline int obd_queue_async_io(struct obd_export *exp,
1219 struct lov_stripe_md *lsm,
1220 struct lov_oinfo *loi, void *cookie,
1221 int cmd, obd_off off, int count,
1222 obd_flag brw_flags, obd_flag async_flags)
1227 EXP_CHECK_DT_OP(exp, queue_async_io);
1228 EXP_COUNTER_INCREMENT(exp, queue_async_io);
1229 LASSERT(cmd & OBD_BRW_RWMASK);
1231 rc = OBP(exp->exp_obd, queue_async_io)(exp, lsm, loi, cookie, cmd, off,
1232 count, brw_flags, async_flags);
1236 static inline int obd_set_async_flags(struct obd_export *exp,
1237 struct lov_stripe_md *lsm,
1238 struct lov_oinfo *loi, void *cookie,
1239 obd_flag async_flags)
1244 EXP_CHECK_DT_OP(exp, set_async_flags);
1245 EXP_COUNTER_INCREMENT(exp, set_async_flags);
1247 rc = OBP(exp->exp_obd, set_async_flags)(exp, lsm, loi, cookie,
1252 static inline int obd_queue_group_io(struct obd_export *exp,
1253 struct lov_stripe_md *lsm,
1254 struct lov_oinfo *loi,
1255 struct obd_io_group *oig,
1256 void *cookie, int cmd, obd_off off,
1257 int count, obd_flag brw_flags,
1258 obd_flag async_flags)
1263 EXP_CHECK_DT_OP(exp, queue_group_io);
1264 EXP_COUNTER_INCREMENT(exp, queue_group_io);
1265 LASSERT(cmd & OBD_BRW_RWMASK);
1267 rc = OBP(exp->exp_obd, queue_group_io)(exp, lsm, loi, oig, cookie,
1268 cmd, off, count, brw_flags,
1273 static inline int obd_trigger_group_io(struct obd_export *exp,
1274 struct lov_stripe_md *lsm,
1275 struct lov_oinfo *loi,
1276 struct obd_io_group *oig)
1281 EXP_CHECK_DT_OP(exp, trigger_group_io);
1282 EXP_COUNTER_INCREMENT(exp, trigger_group_io);
1284 rc = OBP(exp->exp_obd, trigger_group_io)(exp, lsm, loi, oig);
1288 static inline int obd_teardown_async_page(struct obd_export *exp,
1289 struct lov_stripe_md *lsm,
1290 struct lov_oinfo *loi, void *cookie)
1295 EXP_CHECK_DT_OP(exp, teardown_async_page);
1296 EXP_COUNTER_INCREMENT(exp, teardown_async_page);
1298 rc = OBP(exp->exp_obd, teardown_async_page)(exp, lsm, loi, cookie);
1302 static inline int obd_preprw(int cmd, struct obd_export *exp, struct obdo *oa,
1303 int objcount, struct obd_ioobj *obj,
1304 int niocount, struct niobuf_remote *remote,
1305 struct niobuf_local *local,
1306 struct obd_trans_info *oti,
1307 struct lustre_capa *capa)
1312 EXP_CHECK_DT_OP(exp, preprw);
1313 EXP_COUNTER_INCREMENT(exp, preprw);
1315 rc = OBP(exp->exp_obd, preprw)(cmd, exp, oa, objcount, obj, niocount,
1316 remote, local, oti, capa);
1320 static inline int obd_commitrw(int cmd, struct obd_export *exp, struct obdo *oa,
1321 int objcount, struct obd_ioobj *obj,
1322 int niocount, struct niobuf_local *local,
1323 struct obd_trans_info *oti, int rc)
1327 EXP_CHECK_DT_OP(exp, commitrw);
1328 EXP_COUNTER_INCREMENT(exp, commitrw);
1330 rc = OBP(exp->exp_obd, commitrw)(cmd, exp, oa, objcount, obj, niocount,
1335 static inline int obd_merge_lvb(struct obd_export *exp,
1336 struct lov_stripe_md *lsm,
1337 struct ost_lvb *lvb, int kms_only)
1342 EXP_CHECK_DT_OP(exp, merge_lvb);
1343 EXP_COUNTER_INCREMENT(exp, merge_lvb);
1345 rc = OBP(exp->exp_obd, merge_lvb)(exp, lsm, lvb, kms_only);
1349 static inline int obd_adjust_kms(struct obd_export *exp,
1350 struct lov_stripe_md *lsm, obd_off size,
1356 EXP_CHECK_DT_OP(exp, adjust_kms);
1357 EXP_COUNTER_INCREMENT(exp, adjust_kms);
1359 rc = OBP(exp->exp_obd, adjust_kms)(exp, lsm, size, shrink);
1363 static inline int obd_iocontrol(unsigned int cmd, struct obd_export *exp,
1364 int len, void *karg, void *uarg)
1369 EXP_CHECK_DT_OP(exp, iocontrol);
1370 EXP_COUNTER_INCREMENT(exp, iocontrol);
1372 rc = OBP(exp->exp_obd, iocontrol)(cmd, exp, len, karg, uarg);
1376 static inline int obd_enqueue_rqset(struct obd_export *exp,
1377 struct obd_info *oinfo,
1378 struct ldlm_enqueue_info *einfo)
1380 struct ptlrpc_request_set *set = NULL;
1384 EXP_CHECK_DT_OP(exp, enqueue);
1385 EXP_COUNTER_INCREMENT(exp, enqueue);
1387 set = ptlrpc_prep_set();
1391 rc = OBP(exp->exp_obd, enqueue)(exp, oinfo, einfo, set);
1393 rc = ptlrpc_set_wait(set);
1394 ptlrpc_set_destroy(set);
1398 static inline int obd_enqueue(struct obd_export *exp,
1399 struct obd_info *oinfo,
1400 struct ldlm_enqueue_info *einfo,
1401 struct ptlrpc_request_set *set)
1406 EXP_CHECK_DT_OP(exp, enqueue);
1407 EXP_COUNTER_INCREMENT(exp, enqueue);
1409 rc = OBP(exp->exp_obd, enqueue)(exp, oinfo, einfo, set);
1413 static inline int obd_match(struct obd_export *exp, struct lov_stripe_md *ea,
1414 __u32 type, ldlm_policy_data_t *policy, __u32 mode,
1415 int *flags, void *data, struct lustre_handle *lockh)
1420 EXP_CHECK_DT_OP(exp, match);
1421 EXP_COUNTER_INCREMENT(exp, match);
1423 rc = OBP(exp->exp_obd, match)(exp, ea, type, policy, mode, flags, data,
1428 static inline int obd_change_cbdata(struct obd_export *exp,
1429 struct lov_stripe_md *lsm,
1430 ldlm_iterator_t it, void *data)
1435 EXP_CHECK_DT_OP(exp, change_cbdata);
1436 EXP_COUNTER_INCREMENT(exp, change_cbdata);
1438 rc = OBP(exp->exp_obd, change_cbdata)(exp, lsm, it, data);
1442 static inline int obd_cancel(struct obd_export *exp,
1443 struct lov_stripe_md *ea, __u32 mode,
1444 struct lustre_handle *lockh)
1449 EXP_CHECK_DT_OP(exp, cancel);
1450 EXP_COUNTER_INCREMENT(exp, cancel);
1452 rc = OBP(exp->exp_obd, cancel)(exp, ea, mode, lockh);
1456 static inline int obd_cancel_unused(struct obd_export *exp,
1457 struct lov_stripe_md *ea,
1458 int flags, void *opaque)
1463 EXP_CHECK_DT_OP(exp, cancel_unused);
1464 EXP_COUNTER_INCREMENT(exp, cancel_unused);
1466 rc = OBP(exp->exp_obd, cancel_unused)(exp, ea, flags, opaque);
1470 static inline int obd_join_lru(struct obd_export *exp,
1471 struct lov_stripe_md *ea, int join)
1476 EXP_CHECK_DT_OP(exp, join_lru);
1477 EXP_COUNTER_INCREMENT(exp, join_lru);
1479 rc = OBP(exp->exp_obd, join_lru)(exp, ea, join);
1483 static inline int obd_pin(struct obd_export *exp, const struct lu_fid *fid,
1484 struct obd_capa *oc, struct obd_client_handle *handle,
1490 EXP_CHECK_DT_OP(exp, pin);
1491 EXP_COUNTER_INCREMENT(exp, pin);
1493 rc = OBP(exp->exp_obd, pin)(exp, fid, oc, handle, flag);
1497 static inline int obd_unpin(struct obd_export *exp,
1498 struct obd_client_handle *handle, int flag)
1503 EXP_CHECK_DT_OP(exp, unpin);
1504 EXP_COUNTER_INCREMENT(exp, unpin);
1506 rc = OBP(exp->exp_obd, unpin)(exp, handle, flag);
1511 static inline void obd_import_event(struct obd_device *obd,
1512 struct obd_import *imp,
1513 enum obd_import_event event)
1517 CERROR("NULL device\n");
1521 if (obd->obd_set_up && OBP(obd, import_event)) {
1522 OBD_COUNTER_INCREMENT(obd, import_event);
1523 OBP(obd, import_event)(obd, imp, event);
1528 static inline int obd_llog_connect(struct obd_export *exp,
1529 struct llogd_conn_body *body)
1534 OBD_CHECK_DT_OP(exp->exp_obd, llog_connect, 0);
1535 EXP_COUNTER_INCREMENT(exp, llog_connect);
1537 rc = OBP(exp->exp_obd, llog_connect)(exp, body);
1542 static inline int obd_notify(struct obd_device *obd,
1543 struct obd_device *watched,
1544 enum obd_notify_event ev,
1551 /* the check for async_recov is a complete hack - I'm hereby
1552 overloading the meaning to also mean "this was called from
1553 mds_postsetup". I know that my mds is able to handle notifies
1554 by this point, and it needs to get them to execute mds_postrecov. */
1555 if (!obd->obd_set_up && !obd->obd_async_recov) {
1556 CDEBUG(D_HA, "obd %s not set up\n", obd->obd_name);
1560 if (!OBP(obd, notify)) {
1561 CERROR("obd %s has no notify handler\n", obd->obd_name);
1565 OBD_COUNTER_INCREMENT(obd, notify);
1566 rc = OBP(obd, notify)(obd, watched, ev, data);
1570 static inline int obd_notify_observer(struct obd_device *observer,
1571 struct obd_device *observed,
1572 enum obd_notify_event ev,
1578 struct obd_notify_upcall *onu;
1580 if (observer->obd_observer)
1581 rc1 = obd_notify(observer->obd_observer, observed, ev, data);
1585 * Also, call non-obd listener, if any
1587 onu = &observer->obd_upcall;
1588 if (onu->onu_upcall != NULL)
1589 rc2 = onu->onu_upcall(observer, observed, ev, onu->onu_owner);
1593 return rc1 ? rc1 : rc2;
1596 static inline int obd_quotacheck(struct obd_export *exp,
1597 struct obd_quotactl *oqctl)
1602 EXP_CHECK_DT_OP(exp, quotacheck);
1603 EXP_COUNTER_INCREMENT(exp, quotacheck);
1605 rc = OBP(exp->exp_obd, quotacheck)(exp, oqctl);
1609 static inline int obd_quotactl(struct obd_export *exp,
1610 struct obd_quotactl *oqctl)
1615 EXP_CHECK_DT_OP(exp, quotactl);
1616 EXP_COUNTER_INCREMENT(exp, quotactl);
1618 rc = OBP(exp->exp_obd, quotactl)(exp, oqctl);
1622 static inline int obd_health_check(struct obd_device *obd)
1624 /* returns: 0 on healthy
1625 * >0 on unhealthy + reason code/flag
1626 * however the only suppored reason == 1 right now
1627 * We'll need to define some better reasons
1628 * or flags in the future.
1634 /* don't use EXP_CHECK_DT_OP, because NULL method is normal here */
1635 if (obd == NULL || !OBT(obd)) {
1636 CERROR("cleaned up obd\n");
1637 RETURN(-EOPNOTSUPP);
1639 if (!obd->obd_set_up || obd->obd_stopping)
1641 if (!OBP(obd, health_check))
1644 rc = OBP(obd, health_check)(obd);
1648 static inline int obd_register_observer(struct obd_device *obd,
1649 struct obd_device *observer)
1653 if (obd->obd_observer && observer)
1655 obd->obd_observer = observer;
1659 /* metadata helpers */
1660 static inline int md_getstatus(struct obd_export *exp,
1661 struct lu_fid *fid, struct obd_capa **pc)
1666 EXP_CHECK_MD_OP(exp, getstatus);
1667 EXP_MD_COUNTER_INCREMENT(exp, getstatus);
1668 rc = MDP(exp->exp_obd, getstatus)(exp, fid, pc);
1672 static inline int md_getattr(struct obd_export *exp, const struct lu_fid *fid,
1673 struct obd_capa *oc, obd_valid valid, int ea_size,
1674 struct ptlrpc_request **request)
1678 EXP_CHECK_MD_OP(exp, getattr);
1679 EXP_MD_COUNTER_INCREMENT(exp, getattr);
1680 rc = MDP(exp->exp_obd, getattr)(exp, fid, oc, valid,
1685 static inline int md_change_cbdata(struct obd_export *exp,
1686 const struct lu_fid *fid,
1687 ldlm_iterator_t it, void *data)
1691 EXP_CHECK_MD_OP(exp, change_cbdata);
1692 EXP_MD_COUNTER_INCREMENT(exp, change_cbdata);
1693 rc = MDP(exp->exp_obd, change_cbdata)(exp, fid, it, data);
1697 static inline int md_close(struct obd_export *exp, struct md_op_data *op_data,
1698 struct md_open_data *mod,
1699 struct ptlrpc_request **request)
1703 EXP_CHECK_MD_OP(exp, close);
1704 EXP_MD_COUNTER_INCREMENT(exp, close);
1705 rc = MDP(exp->exp_obd, close)(exp, op_data, mod, request);
1709 static inline int md_create(struct obd_export *exp, struct md_op_data *op_data,
1710 const void *data, int datalen, int mode, __u32 uid,
1711 __u32 gid, __u32 cap_effective, __u64 rdev,
1712 struct ptlrpc_request **request)
1716 EXP_CHECK_MD_OP(exp, create);
1717 EXP_MD_COUNTER_INCREMENT(exp, create);
1718 rc = MDP(exp->exp_obd, create)(exp, op_data, data, datalen, mode,
1719 uid, gid, cap_effective, rdev, request);
1723 static inline int md_done_writing(struct obd_export *exp,
1724 struct md_op_data *op_data,
1725 struct md_open_data *mod)
1729 EXP_CHECK_MD_OP(exp, done_writing);
1730 EXP_MD_COUNTER_INCREMENT(exp, done_writing);
1731 rc = MDP(exp->exp_obd, done_writing)(exp, op_data, mod);
1735 static inline int md_enqueue(struct obd_export *exp,
1736 struct ldlm_enqueue_info *einfo,
1737 struct lookup_intent *it,
1738 struct md_op_data *op_data,
1739 struct lustre_handle *lockh,
1740 void *lmm, int lmmsize,
1741 int extra_lock_flags)
1745 EXP_CHECK_MD_OP(exp, enqueue);
1746 EXP_MD_COUNTER_INCREMENT(exp, enqueue);
1747 rc = MDP(exp->exp_obd, enqueue)(exp, einfo, it, op_data, lockh,
1748 lmm, lmmsize, extra_lock_flags);
1752 static inline int md_getattr_name(struct obd_export *exp,
1753 const struct lu_fid *fid, struct obd_capa *oc,
1754 const char *name, int namelen,
1755 obd_valid valid, int ea_size, __u32 suppgid,
1756 struct ptlrpc_request **request)
1760 EXP_CHECK_MD_OP(exp, getattr_name);
1761 EXP_MD_COUNTER_INCREMENT(exp, getattr_name);
1762 rc = MDP(exp->exp_obd, getattr_name)(exp, fid, oc, name, namelen,
1763 valid, ea_size, suppgid, request);
1767 static inline int md_intent_lock(struct obd_export *exp,
1768 struct md_op_data *op_data, void *lmm,
1769 int lmmsize, struct lookup_intent *it,
1770 int flags, struct ptlrpc_request **reqp,
1771 ldlm_blocking_callback cb_blocking,
1772 int extra_lock_flags)
1776 EXP_CHECK_MD_OP(exp, intent_lock);
1777 EXP_MD_COUNTER_INCREMENT(exp, intent_lock);
1778 rc = MDP(exp->exp_obd, intent_lock)(exp, op_data, lmm, lmmsize,
1779 it, flags, reqp, cb_blocking,
1784 static inline int md_link(struct obd_export *exp, struct md_op_data *op_data,
1785 struct ptlrpc_request **request)
1789 EXP_CHECK_MD_OP(exp, link);
1790 EXP_MD_COUNTER_INCREMENT(exp, link);
1791 rc = MDP(exp->exp_obd, link)(exp, op_data, request);
1795 static inline int md_rename(struct obd_export *exp, struct md_op_data *op_data,
1796 const char *old, int oldlen, const char *new,
1797 int newlen, struct ptlrpc_request **request)
1801 EXP_CHECK_MD_OP(exp, rename);
1802 EXP_MD_COUNTER_INCREMENT(exp, rename);
1803 rc = MDP(exp->exp_obd, rename)(exp, op_data, old, oldlen, new,
1808 static inline int md_is_subdir(struct obd_export *exp,
1809 const struct lu_fid *pfid,
1810 const struct lu_fid *cfid,
1811 struct ptlrpc_request **request)
1815 EXP_CHECK_MD_OP(exp, is_subdir);
1816 EXP_MD_COUNTER_INCREMENT(exp, is_subdir);
1817 rc = MDP(exp->exp_obd, is_subdir)(exp, pfid, cfid, request);
1821 static inline int md_setattr(struct obd_export *exp, struct md_op_data *op_data,
1822 void *ea, int ealen, void *ea2, int ea2len,
1823 struct ptlrpc_request **request,
1824 struct md_open_data **mod)
1828 EXP_CHECK_MD_OP(exp, setattr);
1829 EXP_MD_COUNTER_INCREMENT(exp, setattr);
1830 rc = MDP(exp->exp_obd, setattr)(exp, op_data, ea, ealen,
1831 ea2, ea2len, request, mod);
1835 static inline int md_sync(struct obd_export *exp, const struct lu_fid *fid,
1836 struct obd_capa *oc, struct ptlrpc_request **request)
1840 EXP_CHECK_MD_OP(exp, sync);
1841 EXP_MD_COUNTER_INCREMENT(exp, sync);
1842 rc = MDP(exp->exp_obd, sync)(exp, fid, oc, request);
1846 static inline int md_readpage(struct obd_export *exp, const struct lu_fid *fid,
1847 struct obd_capa *oc, __u64 offset,
1849 struct ptlrpc_request **request)
1853 EXP_CHECK_MD_OP(exp, readpage);
1854 EXP_MD_COUNTER_INCREMENT(exp, readpage);
1855 rc = MDP(exp->exp_obd, readpage)(exp, fid, oc, offset, page, request);
1859 static inline int md_unlink(struct obd_export *exp, struct md_op_data *op_data,
1860 struct ptlrpc_request **request)
1864 EXP_CHECK_MD_OP(exp, unlink);
1865 EXP_MD_COUNTER_INCREMENT(exp, unlink);
1866 rc = MDP(exp->exp_obd, unlink)(exp, op_data, request);
1870 static inline int md_get_lustre_md(struct obd_export *exp,
1871 struct ptlrpc_request *req,
1872 struct obd_export *dt_exp,
1873 struct obd_export *md_exp,
1874 struct lustre_md *md)
1877 EXP_CHECK_MD_OP(exp, get_lustre_md);
1878 EXP_MD_COUNTER_INCREMENT(exp, get_lustre_md);
1879 RETURN(MDP(exp->exp_obd, get_lustre_md)(exp, req, dt_exp, md_exp, md));
1882 static inline int md_free_lustre_md(struct obd_export *exp,
1883 struct lustre_md *md)
1886 EXP_CHECK_MD_OP(exp, free_lustre_md);
1887 EXP_MD_COUNTER_INCREMENT(exp, free_lustre_md);
1888 RETURN(MDP(exp->exp_obd, free_lustre_md)(exp, md));
1891 static inline int md_setxattr(struct obd_export *exp,
1892 const struct lu_fid *fid, struct obd_capa *oc,
1893 obd_valid valid, const char *name,
1894 const char *input, int input_size,
1895 int output_size, int flags, __u32 suppgid,
1896 struct ptlrpc_request **request)
1899 EXP_CHECK_MD_OP(exp, setxattr);
1900 EXP_MD_COUNTER_INCREMENT(exp, setxattr);
1901 RETURN(MDP(exp->exp_obd, setxattr)(exp, fid, oc, valid, name, input,
1902 input_size, output_size, flags,
1906 static inline int md_getxattr(struct obd_export *exp,
1907 const struct lu_fid *fid, struct obd_capa *oc,
1908 obd_valid valid, const char *name,
1909 const char *input, int input_size,
1910 int output_size, int flags,
1911 struct ptlrpc_request **request)
1914 EXP_CHECK_MD_OP(exp, getxattr);
1915 EXP_MD_COUNTER_INCREMENT(exp, getxattr);
1916 RETURN(MDP(exp->exp_obd, getxattr)(exp, fid, oc, valid, name, input,
1917 input_size, output_size, flags,
1921 static inline int md_set_open_replay_data(struct obd_export *exp,
1922 struct obd_client_handle *och,
1923 struct ptlrpc_request *open_req)
1926 EXP_CHECK_MD_OP(exp, set_open_replay_data);
1927 EXP_MD_COUNTER_INCREMENT(exp, set_open_replay_data);
1928 RETURN(MDP(exp->exp_obd, set_open_replay_data)(exp, och, open_req));
1931 static inline int md_clear_open_replay_data(struct obd_export *exp,
1932 struct obd_client_handle *och)
1935 EXP_CHECK_MD_OP(exp, clear_open_replay_data);
1936 EXP_MD_COUNTER_INCREMENT(exp, clear_open_replay_data);
1937 RETURN(MDP(exp->exp_obd, clear_open_replay_data)(exp, och));
1940 static inline int md_set_lock_data(struct obd_export *exp,
1941 __u64 *lockh, void *data)
1944 EXP_CHECK_MD_OP(exp, set_lock_data);
1945 EXP_MD_COUNTER_INCREMENT(exp, set_lock_data);
1946 RETURN(MDP(exp->exp_obd, set_lock_data)(exp, lockh, data));
1949 static inline int md_cancel_unused(struct obd_export *exp,
1950 const struct lu_fid *fid,
1951 ldlm_policy_data_t *policy,
1952 ldlm_mode_t mode, int flags, void *opaque)
1957 EXP_CHECK_MD_OP(exp, cancel_unused);
1958 EXP_MD_COUNTER_INCREMENT(exp, cancel_unused);
1960 rc = MDP(exp->exp_obd, cancel_unused)(exp, fid, policy, mode,
1965 static inline ldlm_mode_t md_lock_match(struct obd_export *exp, int flags,
1966 const struct lu_fid *fid,
1968 ldlm_policy_data_t *policy,
1970 struct lustre_handle *lockh)
1973 EXP_CHECK_MD_OP(exp, lock_match);
1974 EXP_MD_COUNTER_INCREMENT(exp, lock_match);
1975 RETURN(MDP(exp->exp_obd, lock_match)(exp, flags, fid, type,
1976 policy, mode, lockh));
1979 static inline int md_init_ea_size(struct obd_export *exp, int easize,
1980 int def_asize, int cookiesize)
1983 EXP_CHECK_MD_OP(exp, init_ea_size);
1984 EXP_MD_COUNTER_INCREMENT(exp, init_ea_size);
1985 RETURN(MDP(exp->exp_obd, init_ea_size)(exp, easize, def_asize,
1989 static inline int md_get_remote_perm(struct obd_export *exp,
1990 const struct lu_fid *fid,
1991 struct obd_capa *oc, __u32 suppgid,
1992 struct ptlrpc_request **request)
1995 EXP_CHECK_MD_OP(exp, get_remote_perm);
1996 EXP_MD_COUNTER_INCREMENT(exp, get_remote_perm);
1997 RETURN(MDP(exp->exp_obd, get_remote_perm)(exp, fid, oc, suppgid,
2001 static inline int md_renew_capa(struct obd_export *exp, struct obd_capa *ocapa,
2006 EXP_CHECK_MD_OP(exp, renew_capa);
2007 EXP_MD_COUNTER_INCREMENT(exp, renew_capa);
2008 rc = MDP(exp->exp_obd, renew_capa)(exp, ocapa, cb);
2012 /* OBD Metadata Support */
2014 extern int obd_init_caches(void);
2015 extern void obd_cleanup_caches(void);
2017 /* support routines */
2018 extern cfs_mem_cache_t *obdo_cachep;
2020 #define OBDO_ALLOC(ptr) \
2022 OBD_SLAB_ALLOC_PTR((ptr), obdo_cachep); \
2025 #define OBDO_FREE(ptr) \
2027 OBD_SLAB_FREE_PTR((ptr), obdo_cachep); \
2031 static inline void obdo2fid(struct obdo *oa, struct lu_fid *fid)
2033 /* something here */
2036 static inline void fid2obdo(struct lu_fid *fid, struct obdo *oa)
2038 /* something here */
2041 /* I'm as embarrassed about this as you are.
2043 * <shaver> // XXX do not look into _superhack with remaining eye
2044 * <shaver> // XXX if this were any uglier, I'd get my own show on MTV */
2045 extern int (*ptlrpc_put_connection_superhack)(struct ptlrpc_connection *c);
2048 extern void obd_sysctl_init (void);
2049 extern void obd_sysctl_clean (void);
2052 typedef __u8 class_uuid_t[16];
2053 void class_uuid_unparse(class_uuid_t in, struct obd_uuid *out);
2056 int lustre_uuid_to_peer(const char *uuid, lnet_nid_t *peer_nid, int index);
2057 int class_add_uuid(const char *uuid, __u64 nid);
2058 int class_del_uuid (const char *uuid);
2059 void class_init_uuidlist(void);
2060 void class_exit_uuidlist(void);
2063 int mea_name2idx(struct lmv_stripe_md *mea, const char *name, int namelen);
2064 int raw_name2idx(int hashtype, int count, const char *name, int namelen);
2067 void ll_generate_random_uuid(class_uuid_t uuid_out);
2069 #endif /* __LINUX_OBD_CLASS_H */