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);
94 int class_process_config(struct lustre_cfg *lcfg);
95 int class_process_proc_param(char *prefix, struct lprocfs_vars *lvars,
96 struct lustre_cfg *lcfg, void *data);
97 int class_attach(struct lustre_cfg *lcfg);
98 int class_setup(struct obd_device *obd, struct lustre_cfg *lcfg);
99 int class_cleanup(struct obd_device *obd, struct lustre_cfg *lcfg);
100 int class_detach(struct obd_device *obd, struct lustre_cfg *lcfg);
101 struct obd_device *class_incref(struct obd_device *obd);
102 void class_decref(struct obd_device *obd);
106 extern void lprocfs_echo_init_vars(struct lprocfs_static_vars *lvars);
108 static inline void lprocfs_echo_init_vars(struct lprocfs_static_vars *lvars)
110 memset(lvars, 0, sizeof(*lvars));
114 #define CFG_F_START 0x01 /* Set when we start updating from a log */
115 #define CFG_F_MARKER 0x02 /* We are within a maker */
116 #define CFG_F_SKIP 0x04 /* We should ignore this cfg command */
117 #define CFG_F_COMPAT146 0x08 /* Allow old-style logs */
118 #define CFG_F_EXCLUDE 0x10 /* OST exclusion list */
120 /* Passed as data param to class_config_parse_llog */
121 struct config_llog_instance {
123 struct super_block *cfg_sb;
124 struct obd_uuid cfg_uuid;
125 int cfg_last_idx; /* for partial llog processing */
128 int class_config_parse_llog(struct llog_ctxt *ctxt, char *name,
129 struct config_llog_instance *cfg);
130 int class_config_dump_llog(struct llog_ctxt *ctxt, char *name,
131 struct config_llog_instance *cfg);
133 /* list of active configuration logs */
134 struct config_llog_data {
136 struct ldlm_res_id cld_resid;
137 struct config_llog_instance cld_cfg;
138 struct list_head cld_list_chain;
139 atomic_t cld_refcount;
140 struct obd_export *cld_mgcexp;
141 unsigned int cld_stopping:1, /* we were told to stop watching */
142 cld_lostlock:1; /* lock not requeued */
145 struct lustre_profile {
146 struct list_head lp_list;
152 struct lustre_profile *class_get_profile(const char * prof);
153 void class_del_profile(const char *prof);
154 void class_del_profiles(void);
156 #define class_export_rpc_get(exp) \
158 atomic_inc(&(exp)->exp_rpc_count); \
159 CDEBUG(D_INFO, "RPC GETting export %p : new rpc_count %d\n", \
160 (exp), atomic_read(&(exp)->exp_rpc_count)); \
161 class_export_get(exp); \
164 #define class_export_rpc_put(exp) \
166 atomic_dec(&(exp)->exp_rpc_count); \
167 CDEBUG(D_INFO, "RPC PUTting export %p : new rpc_count %d\n", \
168 (exp), atomic_read(&(exp)->exp_rpc_count)); \
169 class_export_put(exp); \
173 #define class_export_get(exp) \
175 struct obd_export *exp_ = exp; \
176 atomic_inc(&exp_->exp_refcount); \
177 CDEBUG(D_INFO, "GETting export %p : new refcount %d\n", exp_, \
178 atomic_read(&exp_->exp_refcount)); \
182 #define class_export_put(exp) \
184 LASSERT((exp) != NULL); \
185 CDEBUG(D_INFO, "PUTting export %p : new refcount %d\n", (exp), \
186 atomic_read(&(exp)->exp_refcount) - 1); \
187 LASSERT(atomic_read(&(exp)->exp_refcount) > 0); \
188 LASSERT(atomic_read(&(exp)->exp_refcount) < 0x5a5a5a); \
189 __class_export_put(exp); \
192 void __class_export_put(struct obd_export *);
193 struct obd_export *class_new_export(struct obd_device *obddev,
194 struct obd_uuid *cluuid);
195 void class_unlink_export(struct obd_export *exp);
197 struct obd_import *class_import_get(struct obd_import *);
198 void class_import_put(struct obd_import *);
199 struct obd_import *class_new_import(struct obd_device *obd);
200 void class_destroy_import(struct obd_import *exp);
202 struct obd_type *class_search_type(const char *name);
203 struct obd_type *class_get_type(const char *name);
204 void class_put_type(struct obd_type *type);
205 int class_connect(struct lustre_handle *conn, struct obd_device *obd,
206 struct obd_uuid *cluuid);
207 int class_disconnect(struct obd_export *exp);
208 void class_fail_export(struct obd_export *exp);
209 void class_disconnect_exports(struct obd_device *obddev);
210 int class_disconnect_stale_exports(struct obd_device *,
211 int (*test_export)(struct obd_export *));
212 int class_manual_cleanup(struct obd_device *obd);
214 void obdo_cpy_md(struct obdo *dst, struct obdo *src, obd_flag valid);
215 void obdo_to_ioobj(struct obdo *oa, struct obd_ioobj *ioobj);
216 void obdo_from_iattr(struct obdo *oa, struct iattr *attr,
217 unsigned int ia_valid);
218 void iattr_from_obdo(struct iattr *attr, struct obdo *oa, obd_flag valid);
219 void md_from_obdo(struct md_op_data *op_data, struct obdo *oa, obd_flag valid);
220 void obdo_from_md(struct obdo *oa, struct md_op_data *op_data,
223 #define OBT(dev) (dev)->obd_type
224 #define OBP(dev, op) (dev)->obd_type->typ_dt_ops->o_ ## op
225 #define MDP(dev, op) (dev)->obd_type->typ_md_ops->m_ ## op
226 #define CTXTP(ctxt, op) (ctxt)->loc_logops->lop_##op
228 /* Ensure obd_setup: used for cleanup which must be called
229 while obd is stopping */
230 #define OBD_CHECK_DEV(obd) \
233 CERROR("NULL device\n"); \
238 /* ensure obd_setup and !obd_stopping */
239 #define OBD_CHECK_DEV_ACTIVE(obd) \
241 OBD_CHECK_DEV(obd); \
242 if (!(obd)->obd_set_up || (obd)->obd_stopping) { \
243 CERROR("Device %d not setup\n", \
251 #define OBD_COUNTER_OFFSET(op) \
252 ((offsetof(struct obd_ops, o_ ## op) - \
253 offsetof(struct obd_ops, o_iocontrol)) \
254 / sizeof(((struct obd_ops *)(0))->o_iocontrol))
256 #define OBD_COUNTER_INCREMENT(obdx, op) \
257 if ((obdx)->obd_stats != NULL) { \
258 unsigned int coffset; \
259 coffset = (unsigned int)((obdx)->obd_cntr_base) + \
260 OBD_COUNTER_OFFSET(op); \
261 LASSERT(coffset < (obdx)->obd_stats->ls_num); \
262 lprocfs_counter_incr((obdx)->obd_stats, coffset); \
265 #define EXP_COUNTER_INCREMENT(export, op) \
266 if ((export)->exp_obd->obd_stats != NULL) { \
267 unsigned int coffset; \
268 coffset = (unsigned int)((export)->exp_obd->obd_cntr_base) + \
269 OBD_COUNTER_OFFSET(op); \
270 LASSERT(coffset < (export)->exp_obd->obd_stats->ls_num); \
271 lprocfs_counter_incr((export)->exp_obd->obd_stats, coffset); \
272 if ((export)->exp_nid_stats != NULL && \
273 (export)->exp_nid_stats->nid_stats != NULL) \
274 lprocfs_counter_incr( \
275 (export)->exp_nid_stats->nid_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,
802 __u64 ocf = d ? d->ocd_connect_flags : 0; /* for post-condition
807 OBD_CHECK_DEV_ACTIVE(obd);
808 OBD_CHECK_DT_OP(obd, connect, -EOPNOTSUPP);
809 OBD_COUNTER_INCREMENT(obd, connect);
811 rc = OBP(obd, connect)(env, conn, obd, cluuid, d, localdata);
812 /* check that only subset is granted */
813 LASSERT(ergo(d != NULL,
814 (d->ocd_connect_flags & ocf) == d->ocd_connect_flags));
818 static inline int obd_reconnect(const struct lu_env *env,
819 struct obd_export *exp,
820 struct obd_device *obd,
821 struct obd_uuid *cluuid,
822 struct obd_connect_data *d)
826 __u64 ocf = d ? d->ocd_connect_flags : 0; /* for post-condition
832 OBD_CHECK_DEV_ACTIVE(obd);
833 OBD_CHECK_DT_OP(obd, reconnect, 0);
834 OBD_COUNTER_INCREMENT(obd, reconnect);
836 rc = OBP(obd, reconnect)(env, exp, obd, cluuid, d);
837 /* check that only subset is granted */
838 LASSERT(ergo(d != NULL,
839 (d->ocd_connect_flags & ocf) == d->ocd_connect_flags));
843 static inline int obd_disconnect(struct obd_export *exp)
848 EXP_CHECK_DT_OP(exp, disconnect);
849 EXP_COUNTER_INCREMENT(exp, disconnect);
851 rc = OBP(exp->exp_obd, disconnect)(exp);
855 static inline int obd_fid_init(struct obd_export *exp)
860 OBD_CHECK_DT_OP(exp->exp_obd, fid_init, 0);
861 EXP_COUNTER_INCREMENT(exp, fid_init);
863 rc = OBP(exp->exp_obd, fid_init)(exp);
867 static inline int obd_fid_fini(struct obd_export *exp)
872 OBD_CHECK_DT_OP(exp->exp_obd, fid_fini, 0);
873 EXP_COUNTER_INCREMENT(exp, fid_fini);
875 rc = OBP(exp->exp_obd, fid_fini)(exp);
879 static inline int obd_fid_alloc(struct obd_export *exp,
881 struct md_op_data *op_data)
886 EXP_CHECK_DT_OP(exp, fid_alloc);
887 EXP_COUNTER_INCREMENT(exp, fid_alloc);
889 rc = OBP(exp->exp_obd, fid_alloc)(exp, fid, op_data);
893 static inline int obd_fid_delete(struct obd_export *exp,
894 const struct lu_fid *fid)
899 EXP_CHECK_DT_OP(exp, fid_delete);
900 EXP_COUNTER_INCREMENT(exp, fid_delete);
902 rc = OBP(exp->exp_obd, fid_delete)(exp, fid);
906 static inline int obd_ping(struct obd_export *exp)
911 OBD_CHECK_DT_OP(exp->exp_obd, ping, 0);
912 EXP_COUNTER_INCREMENT(exp, ping);
914 rc = OBP(exp->exp_obd, ping)(exp);
918 static inline int obd_init_export(struct obd_export *exp)
923 if ((exp)->exp_obd != NULL && OBT((exp)->exp_obd) &&
924 OBP((exp)->exp_obd, init_export))
925 rc = OBP(exp->exp_obd, init_export)(exp);
929 static inline int obd_destroy_export(struct obd_export *exp)
932 if ((exp)->exp_obd != NULL && OBT((exp)->exp_obd) &&
933 OBP((exp)->exp_obd, destroy_export))
934 OBP(exp->exp_obd, destroy_export)(exp);
938 static inline int obd_extent_calc(struct obd_export *exp,
939 struct lov_stripe_md *md,
940 int cmd, obd_off *offset)
944 EXP_CHECK_DT_OP(exp, extent_calc);
945 rc = OBP(exp->exp_obd, extent_calc)(exp, md, cmd, offset);
949 static inline struct dentry *
950 obd_lvfs_fid2dentry(struct obd_export *exp, __u64 id_ino, __u32 gen, __u64 gr)
952 LASSERT(exp->exp_obd);
954 return lvfs_fid2dentry(&exp->exp_obd->obd_lvfs_ctxt, id_ino, gen, gr,
959 obd_lvfs_open_llog(struct obd_export *exp, __u64 id_ino, struct dentry *dentry)
961 LASSERT(exp->exp_obd);
962 CERROR("FIXME what's the story here? This needs to be an obd fn?\n");
964 return lvfs_open_llog(&exp->exp_obd->obd_lvfs_ctxt, id_ino,
965 dentry, exp->exp_obd);
971 #define time_before(t1, t2) ((long)t2 - (long)t1 > 0)
974 /* @max_age is the oldest time in jiffies that we accept using a cached data.
975 * If the cache is older than @max_age we will get a new value from the
976 * target. Use a value of "cfs_time_current() + HZ" to guarantee freshness. */
977 static inline int obd_statfs_async(struct obd_device *obd,
978 struct obd_info *oinfo,
980 struct ptlrpc_request_set *rqset)
988 OBD_CHECK_DT_OP(obd, statfs, -EOPNOTSUPP);
989 OBD_COUNTER_INCREMENT(obd, statfs);
991 CDEBUG(D_SUPER, "%s: osfs %p age "LPU64", max_age "LPU64"\n",
992 obd->obd_name, &obd->obd_osfs, obd->obd_osfs_age, max_age);
993 if (cfs_time_before_64(obd->obd_osfs_age, max_age)) {
994 rc = OBP(obd, statfs_async)(obd, oinfo, max_age, rqset);
996 CDEBUG(D_SUPER,"%s: use %p cache blocks "LPU64"/"LPU64
997 " objects "LPU64"/"LPU64"\n",
998 obd->obd_name, &obd->obd_osfs,
999 obd->obd_osfs.os_bavail, obd->obd_osfs.os_blocks,
1000 obd->obd_osfs.os_ffree, obd->obd_osfs.os_files);
1001 spin_lock(&obd->obd_osfs_lock);
1002 memcpy(oinfo->oi_osfs, &obd->obd_osfs, sizeof(*oinfo->oi_osfs));
1003 spin_unlock(&obd->obd_osfs_lock);
1004 if (oinfo->oi_cb_up)
1005 oinfo->oi_cb_up(oinfo, 0);
1010 static inline int obd_statfs_rqset(struct obd_device *obd,
1011 struct obd_statfs *osfs, __u64 max_age,
1014 struct ptlrpc_request_set *set = NULL;
1015 struct obd_info oinfo = { { { 0 } } };
1019 set = ptlrpc_prep_set();
1023 oinfo.oi_osfs = osfs;
1024 oinfo.oi_flags = flags;
1025 rc = obd_statfs_async(obd, &oinfo, max_age, set);
1027 rc = ptlrpc_set_wait(set);
1028 ptlrpc_set_destroy(set);
1032 /* @max_age is the oldest time in jiffies that we accept using a cached data.
1033 * If the cache is older than @max_age we will get a new value from the
1034 * target. Use a value of "cfs_time_current() + HZ" to guarantee freshness. */
1035 static inline int obd_statfs(struct obd_device *obd, struct obd_statfs *osfs,
1036 __u64 max_age, __u32 flags)
1044 OBD_CHECK_DT_OP(obd, statfs, -EOPNOTSUPP);
1045 OBD_COUNTER_INCREMENT(obd, statfs);
1047 CDEBUG(D_SUPER, "osfs "LPU64", max_age "LPU64"\n",
1048 obd->obd_osfs_age, max_age);
1049 if (cfs_time_before_64(obd->obd_osfs_age, max_age)) {
1050 rc = OBP(obd, statfs)(obd, osfs, max_age, flags);
1052 spin_lock(&obd->obd_osfs_lock);
1053 memcpy(&obd->obd_osfs, osfs, sizeof(obd->obd_osfs));
1054 obd->obd_osfs_age = cfs_time_current_64();
1055 spin_unlock(&obd->obd_osfs_lock);
1058 CDEBUG(D_SUPER,"%s: use %p cache blocks "LPU64"/"LPU64
1059 " objects "LPU64"/"LPU64"\n",
1060 obd->obd_name, &obd->obd_osfs,
1061 obd->obd_osfs.os_bavail, obd->obd_osfs.os_blocks,
1062 obd->obd_osfs.os_ffree, obd->obd_osfs.os_files);
1063 spin_lock(&obd->obd_osfs_lock);
1064 memcpy(osfs, &obd->obd_osfs, sizeof(*osfs));
1065 spin_unlock(&obd->obd_osfs_lock);
1070 static inline int obd_sync(struct obd_export *exp, struct obdo *oa,
1071 struct lov_stripe_md *ea, obd_size start,
1072 obd_size end, void *capa)
1077 OBD_CHECK_DT_OP(exp->exp_obd, sync, -EOPNOTSUPP);
1078 EXP_COUNTER_INCREMENT(exp, sync);
1080 rc = OBP(exp->exp_obd, sync)(exp, oa, ea, start, end, capa);
1084 static inline int obd_punch_rqset(struct obd_export *exp,
1085 struct obd_info *oinfo,
1086 struct obd_trans_info *oti)
1088 struct ptlrpc_request_set *set = NULL;
1092 EXP_CHECK_DT_OP(exp, punch);
1093 EXP_COUNTER_INCREMENT(exp, punch);
1095 set = ptlrpc_prep_set();
1099 rc = OBP(exp->exp_obd, punch)(exp, oinfo, oti, set);
1101 rc = ptlrpc_set_wait(set);
1102 ptlrpc_set_destroy(set);
1106 static inline int obd_punch(struct obd_export *exp, struct obd_info *oinfo,
1107 struct obd_trans_info *oti,
1108 struct ptlrpc_request_set *rqset)
1113 EXP_CHECK_DT_OP(exp, punch);
1114 EXP_COUNTER_INCREMENT(exp, punch);
1116 rc = OBP(exp->exp_obd, punch)(exp, oinfo, oti, rqset);
1120 static inline int obd_brw(int cmd, struct obd_export *exp,
1121 struct obd_info *oinfo, obd_count oa_bufs,
1122 struct brw_page *pg, struct obd_trans_info *oti)
1127 EXP_CHECK_DT_OP(exp, brw);
1128 EXP_COUNTER_INCREMENT(exp, brw);
1130 if (!(cmd & (OBD_BRW_RWMASK | OBD_BRW_CHECK))) {
1131 CERROR("obd_brw: cmd must be OBD_BRW_READ, OBD_BRW_WRITE, "
1132 "or OBD_BRW_CHECK\n");
1136 rc = OBP(exp->exp_obd, brw)(cmd, exp, oinfo, oa_bufs, pg, oti);
1140 static inline int obd_brw_async(int cmd, struct obd_export *exp,
1141 struct obd_info *oinfo, obd_count oa_bufs,
1142 struct brw_page *pg, struct obd_trans_info *oti,
1143 struct ptlrpc_request_set *set)
1148 EXP_CHECK_DT_OP(exp, brw_async);
1149 EXP_COUNTER_INCREMENT(exp, brw_async);
1151 if (!(cmd & OBD_BRW_RWMASK)) {
1152 CERROR("obd_brw: cmd must be OBD_BRW_READ or OBD_BRW_WRITE\n");
1156 rc = OBP(exp->exp_obd, brw_async)(cmd, exp, oinfo, oa_bufs, pg,oti,set);
1160 static inline int obd_brw_rqset(int cmd, struct obd_export *exp,
1161 struct obdo *oa, struct lov_stripe_md *lsm,
1162 obd_count oa_bufs, struct brw_page *pg,
1163 struct obd_trans_info *oti,
1164 struct obd_capa *ocapa)
1166 struct ptlrpc_request_set *set = NULL;
1167 struct obd_info oinfo = { { { 0 } } };
1171 set = ptlrpc_prep_set();
1177 oinfo.oi_capa = ocapa;
1178 rc = obd_brw_async(cmd, exp, &oinfo, oa_bufs, pg, oti, set);
1180 rc = ptlrpc_set_wait(set);
1182 CERROR("error from callback: rc = %d\n", rc);
1184 CDEBUG(rc == -ENOSPC ? D_INODE : D_ERROR,
1185 "error from obd_brw_async: rc = %d\n", rc);
1187 ptlrpc_set_destroy(set);
1191 static inline int obd_prep_async_page(struct obd_export *exp,
1192 struct lov_stripe_md *lsm,
1193 struct lov_oinfo *loi,
1194 cfs_page_t *page, obd_off offset,
1195 struct obd_async_page_ops *ops,
1196 void *data, void **res)
1201 EXP_CHECK_DT_OP(exp, prep_async_page);
1202 EXP_COUNTER_INCREMENT(exp, prep_async_page);
1204 ret = OBP(exp->exp_obd, prep_async_page)(exp, lsm, loi, page, offset,
1209 static inline int obd_queue_async_io(struct obd_export *exp,
1210 struct lov_stripe_md *lsm,
1211 struct lov_oinfo *loi, void *cookie,
1212 int cmd, obd_off off, int count,
1213 obd_flag brw_flags, obd_flag async_flags)
1218 EXP_CHECK_DT_OP(exp, queue_async_io);
1219 EXP_COUNTER_INCREMENT(exp, queue_async_io);
1220 LASSERT(cmd & OBD_BRW_RWMASK);
1222 rc = OBP(exp->exp_obd, queue_async_io)(exp, lsm, loi, cookie, cmd, off,
1223 count, brw_flags, async_flags);
1227 static inline int obd_set_async_flags(struct obd_export *exp,
1228 struct lov_stripe_md *lsm,
1229 struct lov_oinfo *loi, void *cookie,
1230 obd_flag async_flags)
1235 EXP_CHECK_DT_OP(exp, set_async_flags);
1236 EXP_COUNTER_INCREMENT(exp, set_async_flags);
1238 rc = OBP(exp->exp_obd, set_async_flags)(exp, lsm, loi, cookie,
1243 static inline int obd_queue_group_io(struct obd_export *exp,
1244 struct lov_stripe_md *lsm,
1245 struct lov_oinfo *loi,
1246 struct obd_io_group *oig,
1247 void *cookie, int cmd, obd_off off,
1248 int count, obd_flag brw_flags,
1249 obd_flag async_flags)
1254 EXP_CHECK_DT_OP(exp, queue_group_io);
1255 EXP_COUNTER_INCREMENT(exp, queue_group_io);
1256 LASSERT(cmd & OBD_BRW_RWMASK);
1258 rc = OBP(exp->exp_obd, queue_group_io)(exp, lsm, loi, oig, cookie,
1259 cmd, off, count, brw_flags,
1264 static inline int obd_trigger_group_io(struct obd_export *exp,
1265 struct lov_stripe_md *lsm,
1266 struct lov_oinfo *loi,
1267 struct obd_io_group *oig)
1272 EXP_CHECK_DT_OP(exp, trigger_group_io);
1273 EXP_COUNTER_INCREMENT(exp, trigger_group_io);
1275 rc = OBP(exp->exp_obd, trigger_group_io)(exp, lsm, loi, oig);
1279 static inline int obd_teardown_async_page(struct obd_export *exp,
1280 struct lov_stripe_md *lsm,
1281 struct lov_oinfo *loi, void *cookie)
1286 EXP_CHECK_DT_OP(exp, teardown_async_page);
1287 EXP_COUNTER_INCREMENT(exp, teardown_async_page);
1289 rc = OBP(exp->exp_obd, teardown_async_page)(exp, lsm, loi, cookie);
1293 static inline int obd_preprw(int cmd, struct obd_export *exp, struct obdo *oa,
1294 int objcount, struct obd_ioobj *obj,
1295 int niocount, struct niobuf_remote *remote,
1296 struct niobuf_local *local,
1297 struct obd_trans_info *oti,
1298 struct lustre_capa *capa)
1303 EXP_CHECK_DT_OP(exp, preprw);
1304 EXP_COUNTER_INCREMENT(exp, preprw);
1306 rc = OBP(exp->exp_obd, preprw)(cmd, exp, oa, objcount, obj, niocount,
1307 remote, local, oti, capa);
1311 static inline int obd_commitrw(int cmd, struct obd_export *exp, struct obdo *oa,
1312 int objcount, struct obd_ioobj *obj,
1313 int niocount, struct niobuf_local *local,
1314 struct obd_trans_info *oti, int rc)
1318 EXP_CHECK_DT_OP(exp, commitrw);
1319 EXP_COUNTER_INCREMENT(exp, commitrw);
1321 rc = OBP(exp->exp_obd, commitrw)(cmd, exp, oa, objcount, obj, niocount,
1326 static inline int obd_merge_lvb(struct obd_export *exp,
1327 struct lov_stripe_md *lsm,
1328 struct ost_lvb *lvb, int kms_only)
1333 EXP_CHECK_DT_OP(exp, merge_lvb);
1334 EXP_COUNTER_INCREMENT(exp, merge_lvb);
1336 rc = OBP(exp->exp_obd, merge_lvb)(exp, lsm, lvb, kms_only);
1340 static inline int obd_adjust_kms(struct obd_export *exp,
1341 struct lov_stripe_md *lsm, obd_off size,
1347 EXP_CHECK_DT_OP(exp, adjust_kms);
1348 EXP_COUNTER_INCREMENT(exp, adjust_kms);
1350 rc = OBP(exp->exp_obd, adjust_kms)(exp, lsm, size, shrink);
1354 static inline int obd_iocontrol(unsigned int cmd, struct obd_export *exp,
1355 int len, void *karg, void *uarg)
1360 EXP_CHECK_DT_OP(exp, iocontrol);
1361 EXP_COUNTER_INCREMENT(exp, iocontrol);
1363 rc = OBP(exp->exp_obd, iocontrol)(cmd, exp, len, karg, uarg);
1367 static inline int obd_enqueue_rqset(struct obd_export *exp,
1368 struct obd_info *oinfo,
1369 struct ldlm_enqueue_info *einfo)
1371 struct ptlrpc_request_set *set = NULL;
1375 EXP_CHECK_DT_OP(exp, enqueue);
1376 EXP_COUNTER_INCREMENT(exp, enqueue);
1378 set = ptlrpc_prep_set();
1382 rc = OBP(exp->exp_obd, enqueue)(exp, oinfo, einfo, set);
1384 rc = ptlrpc_set_wait(set);
1385 ptlrpc_set_destroy(set);
1389 static inline int obd_enqueue(struct obd_export *exp,
1390 struct obd_info *oinfo,
1391 struct ldlm_enqueue_info *einfo,
1392 struct ptlrpc_request_set *set)
1397 EXP_CHECK_DT_OP(exp, enqueue);
1398 EXP_COUNTER_INCREMENT(exp, enqueue);
1400 rc = OBP(exp->exp_obd, enqueue)(exp, oinfo, einfo, set);
1404 static inline int obd_match(struct obd_export *exp, struct lov_stripe_md *ea,
1405 __u32 type, ldlm_policy_data_t *policy, __u32 mode,
1406 int *flags, void *data, struct lustre_handle *lockh)
1411 EXP_CHECK_DT_OP(exp, match);
1412 EXP_COUNTER_INCREMENT(exp, match);
1414 rc = OBP(exp->exp_obd, match)(exp, ea, type, policy, mode, flags, data,
1419 static inline int obd_change_cbdata(struct obd_export *exp,
1420 struct lov_stripe_md *lsm,
1421 ldlm_iterator_t it, void *data)
1426 EXP_CHECK_DT_OP(exp, change_cbdata);
1427 EXP_COUNTER_INCREMENT(exp, change_cbdata);
1429 rc = OBP(exp->exp_obd, change_cbdata)(exp, lsm, it, data);
1433 static inline int obd_cancel(struct obd_export *exp,
1434 struct lov_stripe_md *ea, __u32 mode,
1435 struct lustre_handle *lockh)
1440 EXP_CHECK_DT_OP(exp, cancel);
1441 EXP_COUNTER_INCREMENT(exp, cancel);
1443 rc = OBP(exp->exp_obd, cancel)(exp, ea, mode, lockh);
1447 static inline int obd_cancel_unused(struct obd_export *exp,
1448 struct lov_stripe_md *ea,
1449 int flags, void *opaque)
1454 EXP_CHECK_DT_OP(exp, cancel_unused);
1455 EXP_COUNTER_INCREMENT(exp, cancel_unused);
1457 rc = OBP(exp->exp_obd, cancel_unused)(exp, ea, flags, opaque);
1461 static inline int obd_join_lru(struct obd_export *exp,
1462 struct lov_stripe_md *ea, int join)
1467 EXP_CHECK_DT_OP(exp, join_lru);
1468 EXP_COUNTER_INCREMENT(exp, join_lru);
1470 rc = OBP(exp->exp_obd, join_lru)(exp, ea, join);
1474 static inline int obd_pin(struct obd_export *exp, const struct lu_fid *fid,
1475 struct obd_capa *oc, struct obd_client_handle *handle,
1481 EXP_CHECK_DT_OP(exp, pin);
1482 EXP_COUNTER_INCREMENT(exp, pin);
1484 rc = OBP(exp->exp_obd, pin)(exp, fid, oc, handle, flag);
1488 static inline int obd_unpin(struct obd_export *exp,
1489 struct obd_client_handle *handle, int flag)
1494 EXP_CHECK_DT_OP(exp, unpin);
1495 EXP_COUNTER_INCREMENT(exp, unpin);
1497 rc = OBP(exp->exp_obd, unpin)(exp, handle, flag);
1502 static inline void obd_import_event(struct obd_device *obd,
1503 struct obd_import *imp,
1504 enum obd_import_event event)
1508 CERROR("NULL device\n");
1512 if (obd->obd_set_up && OBP(obd, import_event)) {
1513 OBD_COUNTER_INCREMENT(obd, import_event);
1514 OBP(obd, import_event)(obd, imp, event);
1519 static inline int obd_llog_connect(struct obd_export *exp,
1520 struct llogd_conn_body *body)
1525 OBD_CHECK_DT_OP(exp->exp_obd, llog_connect, 0);
1526 EXP_COUNTER_INCREMENT(exp, llog_connect);
1528 rc = OBP(exp->exp_obd, llog_connect)(exp, body);
1533 static inline int obd_notify(struct obd_device *obd,
1534 struct obd_device *watched,
1535 enum obd_notify_event ev,
1542 /* the check for async_recov is a complete hack - I'm hereby
1543 overloading the meaning to also mean "this was called from
1544 mds_postsetup". I know that my mds is able to handle notifies
1545 by this point, and it needs to get them to execute mds_postrecov. */
1546 if (!obd->obd_set_up && !obd->obd_async_recov) {
1547 CDEBUG(D_HA, "obd %s not set up\n", obd->obd_name);
1551 if (!OBP(obd, notify)) {
1552 CERROR("obd %s has no notify handler\n", obd->obd_name);
1556 OBD_COUNTER_INCREMENT(obd, notify);
1557 rc = OBP(obd, notify)(obd, watched, ev, data);
1561 static inline int obd_notify_observer(struct obd_device *observer,
1562 struct obd_device *observed,
1563 enum obd_notify_event ev,
1569 struct obd_notify_upcall *onu;
1571 if (observer->obd_observer)
1572 rc1 = obd_notify(observer->obd_observer, observed, ev, data);
1576 * Also, call non-obd listener, if any
1578 onu = &observer->obd_upcall;
1579 if (onu->onu_upcall != NULL)
1580 rc2 = onu->onu_upcall(observer, observed, ev, onu->onu_owner);
1584 return rc1 ? rc1 : rc2;
1587 static inline int obd_quotacheck(struct obd_export *exp,
1588 struct obd_quotactl *oqctl)
1593 EXP_CHECK_DT_OP(exp, quotacheck);
1594 EXP_COUNTER_INCREMENT(exp, quotacheck);
1596 rc = OBP(exp->exp_obd, quotacheck)(exp, oqctl);
1600 static inline int obd_quotactl(struct obd_export *exp,
1601 struct obd_quotactl *oqctl)
1606 EXP_CHECK_DT_OP(exp, quotactl);
1607 EXP_COUNTER_INCREMENT(exp, quotactl);
1609 rc = OBP(exp->exp_obd, quotactl)(exp, oqctl);
1613 static inline int obd_health_check(struct obd_device *obd)
1615 /* returns: 0 on healthy
1616 * >0 on unhealthy + reason code/flag
1617 * however the only suppored reason == 1 right now
1618 * We'll need to define some better reasons
1619 * or flags in the future.
1625 /* don't use EXP_CHECK_DT_OP, because NULL method is normal here */
1626 if (obd == NULL || !OBT(obd)) {
1627 CERROR("cleaned up obd\n");
1628 RETURN(-EOPNOTSUPP);
1630 if (!obd->obd_set_up || obd->obd_stopping)
1632 if (!OBP(obd, health_check))
1635 rc = OBP(obd, health_check)(obd);
1639 static inline int obd_register_observer(struct obd_device *obd,
1640 struct obd_device *observer)
1644 if (obd->obd_observer && observer)
1646 obd->obd_observer = observer;
1650 /* metadata helpers */
1651 static inline int md_getstatus(struct obd_export *exp,
1652 struct lu_fid *fid, struct obd_capa **pc)
1657 EXP_CHECK_MD_OP(exp, getstatus);
1658 EXP_MD_COUNTER_INCREMENT(exp, getstatus);
1659 rc = MDP(exp->exp_obd, getstatus)(exp, fid, pc);
1663 static inline int md_getattr(struct obd_export *exp, const struct lu_fid *fid,
1664 struct obd_capa *oc, obd_valid valid, int ea_size,
1665 struct ptlrpc_request **request)
1669 EXP_CHECK_MD_OP(exp, getattr);
1670 EXP_MD_COUNTER_INCREMENT(exp, getattr);
1671 rc = MDP(exp->exp_obd, getattr)(exp, fid, oc, valid,
1676 static inline int md_change_cbdata(struct obd_export *exp,
1677 const struct lu_fid *fid,
1678 ldlm_iterator_t it, void *data)
1682 EXP_CHECK_MD_OP(exp, change_cbdata);
1683 EXP_MD_COUNTER_INCREMENT(exp, change_cbdata);
1684 rc = MDP(exp->exp_obd, change_cbdata)(exp, fid, it, data);
1688 static inline int md_close(struct obd_export *exp, struct md_op_data *op_data,
1689 struct md_open_data *mod,
1690 struct ptlrpc_request **request)
1694 EXP_CHECK_MD_OP(exp, close);
1695 EXP_MD_COUNTER_INCREMENT(exp, close);
1696 rc = MDP(exp->exp_obd, close)(exp, op_data, mod, request);
1700 static inline int md_create(struct obd_export *exp, struct md_op_data *op_data,
1701 const void *data, int datalen, int mode, __u32 uid,
1702 __u32 gid, __u32 cap_effective, __u64 rdev,
1703 struct ptlrpc_request **request)
1707 EXP_CHECK_MD_OP(exp, create);
1708 EXP_MD_COUNTER_INCREMENT(exp, create);
1709 rc = MDP(exp->exp_obd, create)(exp, op_data, data, datalen, mode,
1710 uid, gid, cap_effective, rdev, request);
1714 static inline int md_done_writing(struct obd_export *exp,
1715 struct md_op_data *op_data,
1716 struct md_open_data *mod)
1720 EXP_CHECK_MD_OP(exp, done_writing);
1721 EXP_MD_COUNTER_INCREMENT(exp, done_writing);
1722 rc = MDP(exp->exp_obd, done_writing)(exp, op_data, mod);
1726 static inline int md_enqueue(struct obd_export *exp,
1727 struct ldlm_enqueue_info *einfo,
1728 struct lookup_intent *it,
1729 struct md_op_data *op_data,
1730 struct lustre_handle *lockh,
1731 void *lmm, int lmmsize,
1732 int extra_lock_flags)
1736 EXP_CHECK_MD_OP(exp, enqueue);
1737 EXP_MD_COUNTER_INCREMENT(exp, enqueue);
1738 rc = MDP(exp->exp_obd, enqueue)(exp, einfo, it, op_data, lockh,
1739 lmm, lmmsize, extra_lock_flags);
1743 static inline int md_getattr_name(struct obd_export *exp,
1744 const struct lu_fid *fid, struct obd_capa *oc,
1745 const char *name, int namelen,
1746 obd_valid valid, int ea_size, __u32 suppgid,
1747 struct ptlrpc_request **request)
1751 EXP_CHECK_MD_OP(exp, getattr_name);
1752 EXP_MD_COUNTER_INCREMENT(exp, getattr_name);
1753 rc = MDP(exp->exp_obd, getattr_name)(exp, fid, oc, name, namelen,
1754 valid, ea_size, suppgid, request);
1758 static inline int md_intent_lock(struct obd_export *exp,
1759 struct md_op_data *op_data, void *lmm,
1760 int lmmsize, struct lookup_intent *it,
1761 int flags, struct ptlrpc_request **reqp,
1762 ldlm_blocking_callback cb_blocking,
1763 int extra_lock_flags)
1767 EXP_CHECK_MD_OP(exp, intent_lock);
1768 EXP_MD_COUNTER_INCREMENT(exp, intent_lock);
1769 rc = MDP(exp->exp_obd, intent_lock)(exp, op_data, lmm, lmmsize,
1770 it, flags, reqp, cb_blocking,
1775 static inline int md_link(struct obd_export *exp, struct md_op_data *op_data,
1776 struct ptlrpc_request **request)
1780 EXP_CHECK_MD_OP(exp, link);
1781 EXP_MD_COUNTER_INCREMENT(exp, link);
1782 rc = MDP(exp->exp_obd, link)(exp, op_data, request);
1786 static inline int md_rename(struct obd_export *exp, struct md_op_data *op_data,
1787 const char *old, int oldlen, const char *new,
1788 int newlen, struct ptlrpc_request **request)
1792 EXP_CHECK_MD_OP(exp, rename);
1793 EXP_MD_COUNTER_INCREMENT(exp, rename);
1794 rc = MDP(exp->exp_obd, rename)(exp, op_data, old, oldlen, new,
1799 static inline int md_is_subdir(struct obd_export *exp,
1800 const struct lu_fid *pfid,
1801 const struct lu_fid *cfid,
1802 struct ptlrpc_request **request)
1806 EXP_CHECK_MD_OP(exp, is_subdir);
1807 EXP_MD_COUNTER_INCREMENT(exp, is_subdir);
1808 rc = MDP(exp->exp_obd, is_subdir)(exp, pfid, cfid, request);
1812 static inline int md_setattr(struct obd_export *exp, struct md_op_data *op_data,
1813 void *ea, int ealen, void *ea2, int ea2len,
1814 struct ptlrpc_request **request,
1815 struct md_open_data **mod)
1819 EXP_CHECK_MD_OP(exp, setattr);
1820 EXP_MD_COUNTER_INCREMENT(exp, setattr);
1821 rc = MDP(exp->exp_obd, setattr)(exp, op_data, ea, ealen,
1822 ea2, ea2len, request, mod);
1826 static inline int md_sync(struct obd_export *exp, const struct lu_fid *fid,
1827 struct obd_capa *oc, struct ptlrpc_request **request)
1831 EXP_CHECK_MD_OP(exp, sync);
1832 EXP_MD_COUNTER_INCREMENT(exp, sync);
1833 rc = MDP(exp->exp_obd, sync)(exp, fid, oc, request);
1837 static inline int md_readpage(struct obd_export *exp, const struct lu_fid *fid,
1838 struct obd_capa *oc, __u64 offset,
1840 struct ptlrpc_request **request)
1844 EXP_CHECK_MD_OP(exp, readpage);
1845 EXP_MD_COUNTER_INCREMENT(exp, readpage);
1846 rc = MDP(exp->exp_obd, readpage)(exp, fid, oc, offset, page, request);
1850 static inline int md_unlink(struct obd_export *exp, struct md_op_data *op_data,
1851 struct ptlrpc_request **request)
1855 EXP_CHECK_MD_OP(exp, unlink);
1856 EXP_MD_COUNTER_INCREMENT(exp, unlink);
1857 rc = MDP(exp->exp_obd, unlink)(exp, op_data, request);
1861 static inline int md_get_lustre_md(struct obd_export *exp,
1862 struct ptlrpc_request *req,
1863 struct obd_export *dt_exp,
1864 struct obd_export *md_exp,
1865 struct lustre_md *md)
1868 EXP_CHECK_MD_OP(exp, get_lustre_md);
1869 EXP_MD_COUNTER_INCREMENT(exp, get_lustre_md);
1870 RETURN(MDP(exp->exp_obd, get_lustre_md)(exp, req, dt_exp, md_exp, md));
1873 static inline int md_free_lustre_md(struct obd_export *exp,
1874 struct lustre_md *md)
1877 EXP_CHECK_MD_OP(exp, free_lustre_md);
1878 EXP_MD_COUNTER_INCREMENT(exp, free_lustre_md);
1879 RETURN(MDP(exp->exp_obd, free_lustre_md)(exp, md));
1882 static inline int md_setxattr(struct obd_export *exp,
1883 const struct lu_fid *fid, struct obd_capa *oc,
1884 obd_valid valid, const char *name,
1885 const char *input, int input_size,
1886 int output_size, int flags, __u32 suppgid,
1887 struct ptlrpc_request **request)
1890 EXP_CHECK_MD_OP(exp, setxattr);
1891 EXP_MD_COUNTER_INCREMENT(exp, setxattr);
1892 RETURN(MDP(exp->exp_obd, setxattr)(exp, fid, oc, valid, name, input,
1893 input_size, output_size, flags,
1897 static inline int md_getxattr(struct obd_export *exp,
1898 const struct lu_fid *fid, struct obd_capa *oc,
1899 obd_valid valid, const char *name,
1900 const char *input, int input_size,
1901 int output_size, int flags,
1902 struct ptlrpc_request **request)
1905 EXP_CHECK_MD_OP(exp, getxattr);
1906 EXP_MD_COUNTER_INCREMENT(exp, getxattr);
1907 RETURN(MDP(exp->exp_obd, getxattr)(exp, fid, oc, valid, name, input,
1908 input_size, output_size, flags,
1912 static inline int md_set_open_replay_data(struct obd_export *exp,
1913 struct obd_client_handle *och,
1914 struct ptlrpc_request *open_req)
1917 EXP_CHECK_MD_OP(exp, set_open_replay_data);
1918 EXP_MD_COUNTER_INCREMENT(exp, set_open_replay_data);
1919 RETURN(MDP(exp->exp_obd, set_open_replay_data)(exp, och, open_req));
1922 static inline int md_clear_open_replay_data(struct obd_export *exp,
1923 struct obd_client_handle *och)
1926 EXP_CHECK_MD_OP(exp, clear_open_replay_data);
1927 EXP_MD_COUNTER_INCREMENT(exp, clear_open_replay_data);
1928 RETURN(MDP(exp->exp_obd, clear_open_replay_data)(exp, och));
1931 static inline int md_set_lock_data(struct obd_export *exp,
1932 __u64 *lockh, void *data)
1935 EXP_CHECK_MD_OP(exp, set_lock_data);
1936 EXP_MD_COUNTER_INCREMENT(exp, set_lock_data);
1937 RETURN(MDP(exp->exp_obd, set_lock_data)(exp, lockh, data));
1940 static inline int md_cancel_unused(struct obd_export *exp,
1941 const struct lu_fid *fid,
1942 ldlm_policy_data_t *policy,
1943 ldlm_mode_t mode, int flags, void *opaque)
1948 EXP_CHECK_MD_OP(exp, cancel_unused);
1949 EXP_MD_COUNTER_INCREMENT(exp, cancel_unused);
1951 rc = MDP(exp->exp_obd, cancel_unused)(exp, fid, policy, mode,
1956 static inline ldlm_mode_t md_lock_match(struct obd_export *exp, int flags,
1957 const struct lu_fid *fid,
1959 ldlm_policy_data_t *policy,
1961 struct lustre_handle *lockh)
1964 EXP_CHECK_MD_OP(exp, lock_match);
1965 EXP_MD_COUNTER_INCREMENT(exp, lock_match);
1966 RETURN(MDP(exp->exp_obd, lock_match)(exp, flags, fid, type,
1967 policy, mode, lockh));
1970 static inline int md_init_ea_size(struct obd_export *exp, int easize,
1971 int def_asize, int cookiesize)
1974 EXP_CHECK_MD_OP(exp, init_ea_size);
1975 EXP_MD_COUNTER_INCREMENT(exp, init_ea_size);
1976 RETURN(MDP(exp->exp_obd, init_ea_size)(exp, easize, def_asize,
1980 static inline int md_get_remote_perm(struct obd_export *exp,
1981 const struct lu_fid *fid,
1982 struct obd_capa *oc, __u32 suppgid,
1983 struct ptlrpc_request **request)
1986 EXP_CHECK_MD_OP(exp, get_remote_perm);
1987 EXP_MD_COUNTER_INCREMENT(exp, get_remote_perm);
1988 RETURN(MDP(exp->exp_obd, get_remote_perm)(exp, fid, oc, suppgid,
1992 static inline int md_renew_capa(struct obd_export *exp, struct obd_capa *ocapa,
1997 EXP_CHECK_MD_OP(exp, renew_capa);
1998 EXP_MD_COUNTER_INCREMENT(exp, renew_capa);
1999 rc = MDP(exp->exp_obd, renew_capa)(exp, ocapa, cb);
2003 /* OBD Metadata Support */
2005 extern int obd_init_caches(void);
2006 extern void obd_cleanup_caches(void);
2008 /* support routines */
2009 extern cfs_mem_cache_t *obdo_cachep;
2011 #define OBDO_ALLOC(ptr) \
2013 OBD_SLAB_ALLOC_PTR((ptr), obdo_cachep); \
2016 #define OBDO_FREE(ptr) \
2018 OBD_SLAB_FREE_PTR((ptr), obdo_cachep); \
2022 static inline void obdo2fid(struct obdo *oa, struct lu_fid *fid)
2024 /* something here */
2027 static inline void fid2obdo(struct lu_fid *fid, struct obdo *oa)
2029 /* something here */
2032 /* I'm as embarrassed about this as you are.
2034 * <shaver> // XXX do not look into _superhack with remaining eye
2035 * <shaver> // XXX if this were any uglier, I'd get my own show on MTV */
2036 extern int (*ptlrpc_put_connection_superhack)(struct ptlrpc_connection *c);
2039 extern void obd_sysctl_init (void);
2040 extern void obd_sysctl_clean (void);
2043 typedef __u8 class_uuid_t[16];
2044 void class_uuid_unparse(class_uuid_t in, struct obd_uuid *out);
2047 int lustre_uuid_to_peer(const char *uuid, lnet_nid_t *peer_nid, int index);
2048 int class_add_uuid(const char *uuid, __u64 nid);
2049 int class_del_uuid (const char *uuid);
2050 void class_init_uuidlist(void);
2051 void class_exit_uuidlist(void);
2054 int mea_name2idx(struct lmv_stripe_md *mea, const char *name, int namelen);
2055 int raw_name2idx(int hashtype, int count, const char *name, int namelen);
2058 void ll_generate_random_uuid(class_uuid_t uuid_out);
2060 #endif /* __LINUX_OBD_CLASS_H */