1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 only,
10 * as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License version 2 for more details (a copy is included
16 * in the LICENSE file that accompanied this code).
18 * You should have received a copy of the GNU General Public License
19 * version 2 along with this program; If not, see
20 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
23 * CA 95054 USA or visit www.sun.com if you need additional information or
29 * Copyright 2008 Sun Microsystems, Inc. All rights reserved
30 * Use is subject to license terms.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
36 * lustre/mdt/mdt_internal.h
38 * Lustre Metadata Target (mdt) request handler
40 * Author: Peter Braam <braam@clusterfs.com>
41 * Author: Andreas Dilger <adilger@clusterfs.com>
42 * Author: Phil Schwan <phil@clusterfs.com>
43 * Author: Mike Shaver <shaver@clusterfs.com>
44 * Author: Nikita Danilov <nikita@clusterfs.com>
45 * Author: Huang Hua <huanghua@clusterfs.com>
48 #ifndef _MDT_INTERNAL_H
49 #define _MDT_INTERNAL_H
51 #if defined(__KERNEL__)
54 * struct ptlrpc_client
56 #include <lustre_net.h>
59 * struct obd_connect_data
60 * struct lustre_handle
62 #include <lustre/lustre_idl.h>
63 #include <md_object.h>
64 #include <dt_object.h>
65 #include <lustre_fid.h>
66 #include <lustre_fld.h>
67 #include <lustre_req_layout.h>
68 /* LR_CLIENT_SIZE, etc. */
69 #include <lustre_disk.h>
70 #include <lustre_sec.h>
72 #include <lustre_idmap.h>
73 #include <lustre_eacl.h>
75 static inline __u64 lcd_last_transno(struct lsd_client_data *lcd)
77 return max(lcd->lcd_last_transno, lcd->lcd_last_close_transno);
80 static inline __u64 lcd_last_xid(struct lsd_client_data *lcd)
82 return max(lcd->lcd_last_xid, lcd->lcd_last_close_xid);
85 /* check if request's xid is equal to last one or not*/
86 static inline int req_xid_is_last(struct ptlrpc_request *req)
88 struct lsd_client_data *lcd = req->rq_export->exp_mdt_data.med_lcd;
89 return (req->rq_xid == lcd->lcd_last_xid ||
90 req->rq_xid == lcd->lcd_last_close_xid);
94 /* file data for open files on MDS */
95 struct mdt_file_data {
96 struct portals_handle mfd_handle; /* must be first */
97 struct list_head mfd_list; /* protected by med_open_lock */
98 __u64 mfd_xid; /* xid of the open request */
99 struct lustre_handle mfd_old_handle; /* old handle in replay case */
100 int mfd_mode; /* open mode provided by client */
101 struct mdt_object *mfd_object; /* point to opened object */
106 struct md_device mdt_md_dev;
107 struct ptlrpc_service *mdt_regular_service;
108 struct ptlrpc_service *mdt_readpage_service;
109 struct ptlrpc_service *mdt_xmds_service;
110 struct ptlrpc_service *mdt_setattr_service;
111 struct ptlrpc_service *mdt_mdsc_service;
112 struct ptlrpc_service *mdt_mdss_service;
113 struct ptlrpc_service *mdt_dtss_service;
114 struct ptlrpc_service *mdt_fld_service;
115 /* DLM name-space for meta-data locks maintained by this server */
116 struct ldlm_namespace *mdt_namespace;
117 /* ptlrpc handle for MDS->client connections (for lock ASTs). */
118 struct ptlrpc_client *mdt_ldlm_client;
119 /* underlying device */
120 struct md_device *mdt_child;
121 struct dt_device *mdt_bottom;
123 * Options bit-fields.
126 signed int mo_user_xattr :1,
132 /* mdt state flags */
133 __u32 mdt_fl_cfglog:1,
135 /* lock to pretect epoch and write count */
136 spinlock_t mdt_ioepoch_lock;
139 /* Transaction related stuff here */
140 spinlock_t mdt_transno_lock;
141 __u64 mdt_last_transno;
143 /* transaction callbacks */
144 struct dt_txn_callback mdt_txn_cb;
146 struct dt_object *mdt_last_rcvd;
148 /* these values should be updated from lov if necessary.
149 * or should be placed somewhere else. */
151 int mdt_max_cookiesize;
152 __u64 mdt_mount_count;
155 struct lr_server_data mdt_lsd;
156 spinlock_t mdt_client_bitmap_lock;
157 unsigned long mdt_client_bitmap[(LR_MAX_CLIENTS >> 3) / sizeof(long)];
159 struct upcall_cache *mdt_identity_cache;
162 rwlock_t mdt_sptlrpc_lock;
163 struct sptlrpc_rule_set mdt_sptlrpc_rset;
165 /* capability keys */
166 unsigned long mdt_capa_timeout;
168 struct dt_object *mdt_ck_obj;
169 unsigned long mdt_ck_timeout;
170 unsigned long mdt_ck_expiry;
171 cfs_timer_t mdt_ck_timer;
172 struct ptlrpc_thread mdt_ck_thread;
173 struct lustre_capa_key mdt_capa_keys[2];
174 unsigned int mdt_capa_conf:1;
176 cfs_proc_dir_entry_t *mdt_proc_entry;
177 struct lprocfs_stats *mdt_stats;
180 #define MDT_SERVICE_WATCHDOG_FACTOR (2000)
181 #define MDT_ROCOMPAT_SUPP (OBD_ROCOMPAT_LOVOBJID)
182 #define MDT_INCOMPAT_SUPP (OBD_INCOMPAT_MDT | OBD_INCOMPAT_COMMON_LR)
185 struct lu_object_header mot_header;
186 struct md_object mot_obj;
193 struct mdt_lock_handle {
194 /* Lock type, reg for cross-ref use or pdo lock. */
198 struct lustre_handle mlh_reg_lh;
199 ldlm_mode_t mlh_reg_mode;
202 struct lustre_handle mlh_pdo_lh;
203 ldlm_mode_t mlh_pdo_mode;
204 unsigned int mlh_pdo_hash;
208 MDT_LH_PARENT, /* parent lockh */
209 MDT_LH_CHILD, /* child lockh */
210 MDT_LH_OLD, /* old lockh for rename */
211 MDT_LH_NEW, /* new lockh for rename */
212 MDT_LH_RMT, /* used for return lh to caller */
221 struct mdt_reint_record {
222 mdt_reint_t rr_opcode;
223 const struct lustre_handle *rr_handle;
224 const struct lu_fid *rr_fid1;
225 const struct lu_fid *rr_fid2;
230 const void *rr_eadata;
233 const struct llog_cookie *rr_logcookies;
237 enum mdt_reint_flag {
238 MRF_SETATTR_LOCKED = 1 << 0,
242 * Common data shared by mdt-level handlers. This is allocated per-thread to
243 * reduce stack consumption.
245 struct mdt_thread_info {
248 * The following members will be filled explicitly
249 * with specific data in mdt_thread_info_init().
251 /* TODO: move this into mdt_session_key(with LCT_SESSION), because
252 * request handling may migrate from one server thread to another.
254 struct req_capsule *mti_pill;
256 /* although we have export in req, there are cases when it is not
257 * available, e.g. closing files upon export destroy */
258 struct obd_export *mti_exp;
260 * A couple of lock handles.
262 struct mdt_lock_handle mti_lh[MDT_LH_NR];
264 struct mdt_device *mti_mdt;
265 const struct lu_env *mti_env;
268 * Additional fail id that can be set by handler. Passed to
269 * target_send_reply().
273 /* transaction number of current request */
279 * The following members will be filled expilictly
280 * with zero in mdt_thread_info_init(). These members may be used
287 struct md_attr mti_attr;
289 * Body for "habeo corpus" operations.
291 const struct mdt_body *mti_body;
293 * Host object. This is released at the end of mdt_handler().
295 struct mdt_object *mti_object;
297 * Lock request for "habeo clavis" operations.
299 const struct ldlm_request *mti_dlm_req;
301 __u32 mti_has_trans:1, /* has txn already? */
305 /* opdata for mdt_reint_open(), has the same as
306 * ldlm_reply:lock_policy_res1. mdt_update_last_rcvd() stores this
307 * value onto disk for recovery when mdt_trans_stop_cb() is called.
313 * The following members will be filled expilictly
314 * with zero in mdt_reint_unpack(), because they are only used
315 * by reint requests (including mdt_reint_open()).
319 * reint record. contains information for reint operations.
321 struct mdt_reint_record mti_rr;
324 * Operation specification (currently create and lookup)
326 struct md_op_spec mti_spec;
330 * The following members will _NOT_ be initialized at all.
331 * DO NOT expect them to contain any valid value.
332 * They should be initialized explicitly by the user themselves.
335 /* XXX: If something is in a union, make sure they do not conflict */
337 struct lu_fid mti_tmp_fid1;
338 struct lu_fid mti_tmp_fid2;
339 ldlm_policy_data_t mti_policy; /* for mdt_object_lock() and
340 * mdt_rename_lock() */
341 struct ldlm_res_id mti_res_id; /* for mdt_object_lock() and
344 struct obd_uuid uuid[2]; /* for mdt_seq_init_cli() */
345 char ns_name[48]; /* for mdt_init0() */
346 struct lustre_cfg_bufs bufs; /* for mdt_stack_fini() */
347 struct kstatfs ksfs; /* for mdt_statfs() */
349 /* for mdt_readpage() */
350 struct lu_rdpg mti_rdpg;
351 /* for mdt_sendpage() */
352 struct l_wait_info mti_wait_info;
356 /* IO epoch related stuff. */
357 struct mdt_epoch *mti_epoch;
358 __u64 mti_replayepoch;
360 /* server and client data buffers */
361 struct lr_server_data mti_lsd;
362 struct lsd_client_data mti_lcd;
364 struct txn_param mti_txn_param;
365 struct lu_buf mti_buf;
366 struct lustre_capa_key mti_capa_key;
368 /* Ops object filename */
369 struct lu_name mti_name;
372 typedef void (*mdt_cb_t)(const struct mdt_device *mdt, __u64 transno,
373 void *data, int err);
374 struct mdt_commit_cb {
375 mdt_cb_t mdt_cb_func;
380 * Info allocated per-transaction.
382 #define MDT_MAX_COMMIT_CB 4
383 struct mdt_txn_info {
385 unsigned int txi_cb_count;
386 struct mdt_commit_cb txi_cb[MDT_MAX_COMMIT_CB];
389 extern struct lu_context_key mdt_txn_key;
391 static inline void mdt_trans_add_cb(const struct thandle *th,
392 mdt_cb_t cb_func, void *cb_data)
394 struct mdt_txn_info *txi;
396 txi = lu_context_key_get(&th->th_ctx, &mdt_txn_key);
397 LASSERT(txi->txi_cb_count < ARRAY_SIZE(txi->txi_cb));
399 /* add new callback */
400 txi->txi_cb[txi->txi_cb_count].mdt_cb_func = cb_func;
401 txi->txi_cb[txi->txi_cb_count].mdt_cb_data = cb_data;
405 static inline struct md_device_operations *mdt_child_ops(struct mdt_device * m)
407 LASSERT(m->mdt_child);
408 return m->mdt_child->md_ops;
411 static inline struct md_object *mdt_object_child(struct mdt_object *o)
414 return lu2md(lu_object_next(&o->mot_obj.mo_lu));
417 static inline struct ptlrpc_request *mdt_info_req(struct mdt_thread_info *info)
419 return info->mti_pill ? info->mti_pill->rc_req : NULL;
422 static inline __u64 mdt_conn_flags(struct mdt_thread_info *info)
424 LASSERT(info->mti_exp);
425 return info->mti_exp->exp_connect_flags;
428 static inline void mdt_object_get(const struct lu_env *env,
429 struct mdt_object *o)
432 lu_object_get(&o->mot_obj.mo_lu);
436 static inline void mdt_object_put(const struct lu_env *env,
437 struct mdt_object *o)
440 lu_object_put(env, &o->mot_obj.mo_lu);
444 static inline int mdt_object_exists(const struct mdt_object *o)
446 return lu_object_exists(&o->mot_obj.mo_lu);
449 static inline const struct lu_fid *mdt_object_fid(struct mdt_object *o)
451 return lu_object_fid(&o->mot_obj.mo_lu);
455 static inline void mdt_export_evict(struct obd_export *exp)
457 class_fail_export(exp);
458 class_export_put(exp);
461 int mdt_get_disposition(struct ldlm_reply *rep, int flag);
462 void mdt_set_disposition(struct mdt_thread_info *info,
463 struct ldlm_reply *rep, int flag);
464 void mdt_clear_disposition(struct mdt_thread_info *info,
465 struct ldlm_reply *rep, int flag);
467 void mdt_lock_pdo_init(struct mdt_lock_handle *lh,
468 ldlm_mode_t lm, const char *name,
471 void mdt_lock_reg_init(struct mdt_lock_handle *lh,
474 int mdt_lock_setup(struct mdt_thread_info *info,
475 struct mdt_object *o,
476 struct mdt_lock_handle *lh);
478 int mdt_object_lock(struct mdt_thread_info *,
480 struct mdt_lock_handle *,
483 void mdt_object_unlock(struct mdt_thread_info *,
485 struct mdt_lock_handle *,
488 struct mdt_object *mdt_object_find(const struct lu_env *,
490 const struct lu_fid *);
491 struct mdt_object *mdt_object_find_lock(struct mdt_thread_info *,
492 const struct lu_fid *,
493 struct mdt_lock_handle *,
495 void mdt_object_unlock_put(struct mdt_thread_info *,
497 struct mdt_lock_handle *,
500 int mdt_close_unpack(struct mdt_thread_info *info);
501 int mdt_reint_unpack(struct mdt_thread_info *info, __u32 op);
502 int mdt_reint_rec(struct mdt_thread_info *, struct mdt_lock_handle *);
503 void mdt_pack_size2body(struct mdt_thread_info *info,
504 struct mdt_object *o);
505 void mdt_pack_attr2body(struct mdt_thread_info *info, struct mdt_body *b,
506 const struct lu_attr *attr, const struct lu_fid *fid);
508 int mdt_getxattr(struct mdt_thread_info *info);
509 int mdt_reint_setxattr(struct mdt_thread_info *info,
510 struct mdt_lock_handle *lh);
512 void mdt_lock_handle_init(struct mdt_lock_handle *lh);
513 void mdt_lock_handle_fini(struct mdt_lock_handle *lh);
515 void mdt_reconstruct(struct mdt_thread_info *, struct mdt_lock_handle *);
516 void mdt_reconstruct_generic(struct mdt_thread_info *mti,
517 struct mdt_lock_handle *lhc);
519 extern void target_recovery_fini(struct obd_device *obd);
520 extern void target_recovery_init(struct obd_device *obd,
521 svc_handler_t handler);
522 int mdt_fs_setup(const struct lu_env *, struct mdt_device *,
523 struct obd_device *);
524 void mdt_fs_cleanup(const struct lu_env *, struct mdt_device *);
526 int mdt_client_del(const struct lu_env *env,
527 struct mdt_device *mdt);
528 int mdt_client_add(const struct lu_env *env,
529 struct mdt_device *mdt,
531 int mdt_client_new(const struct lu_env *env,
532 struct mdt_device *mdt);
534 int mdt_pin(struct mdt_thread_info* info);
536 int mdt_lock_new_child(struct mdt_thread_info *info,
537 struct mdt_object *o,
538 struct mdt_lock_handle *child_lockh);
540 void mdt_mfd_set_mode(struct mdt_file_data *mfd,
543 int mdt_reint_open(struct mdt_thread_info *info,
544 struct mdt_lock_handle *lhc);
546 struct mdt_file_data *mdt_handle2mfd(struct mdt_thread_info *,
547 const struct lustre_handle *);
548 int mdt_epoch_open(struct mdt_thread_info *info, struct mdt_object *o);
549 void mdt_sizeonmds_enable(struct mdt_thread_info *info, struct mdt_object *mo);
550 int mdt_sizeonmds_enabled(struct mdt_object *mo);
551 int mdt_write_get(struct mdt_device *mdt, struct mdt_object *o);
552 int mdt_write_read(struct mdt_device *mdt, struct mdt_object *o);
553 struct mdt_file_data *mdt_mfd_new(void);
554 int mdt_mfd_close(struct mdt_thread_info *info, struct mdt_file_data *mfd);
555 void mdt_mfd_free(struct mdt_file_data *mfd);
556 int mdt_close(struct mdt_thread_info *info);
557 int mdt_attr_set(struct mdt_thread_info *info, struct mdt_object *mo,
559 int mdt_done_writing(struct mdt_thread_info *info);
560 void mdt_shrink_reply(struct mdt_thread_info *info);
561 int mdt_handle_last_unlink(struct mdt_thread_info *, struct mdt_object *,
562 const struct md_attr *);
563 void mdt_reconstruct_open(struct mdt_thread_info *, struct mdt_lock_handle *);
564 struct thandle* mdt_trans_start(const struct lu_env *env,
565 struct mdt_device *mdt, int credits);
566 void mdt_trans_stop(const struct lu_env *env,
567 struct mdt_device *mdt, struct thandle *th);
568 int mdt_record_write(const struct lu_env *env,
569 struct dt_object *dt, const struct lu_buf *buf,
570 loff_t *pos, struct thandle *th);
571 int mdt_record_read(const struct lu_env *env,
572 struct dt_object *dt, struct lu_buf *buf, loff_t *pos);
574 struct lu_buf *mdt_buf(const struct lu_env *env, void *area, ssize_t len);
575 const struct lu_buf *mdt_buf_const(const struct lu_env *env,
576 const void *area, ssize_t len);
578 void mdt_dump_lmm(int level, const struct lov_mds_md *lmm);
580 int mdt_check_ucred(struct mdt_thread_info *);
581 int mdt_init_ucred(struct mdt_thread_info *, struct mdt_body *);
582 int mdt_init_ucred_reint(struct mdt_thread_info *);
583 void mdt_exit_ucred(struct mdt_thread_info *);
586 int mdt_init_idmap(struct mdt_thread_info *);
588 void mdt_cleanup_idmap(struct mdt_export_data *);
590 int mdt_handle_idmap(struct mdt_thread_info *);
592 int ptlrpc_user_desc_do_idmap(struct ptlrpc_request *,
593 struct ptlrpc_user_desc *);
595 void mdt_body_reverse_idmap(struct mdt_thread_info *,
598 int mdt_remote_perm_reverse_idmap(struct ptlrpc_request *,
599 struct mdt_remote_perm *);
601 int mdt_fix_attr_ucred(struct mdt_thread_info *, __u32);
603 static inline struct mdt_device *mdt_dev(struct lu_device *d)
605 // LASSERT(lu_device_is_mdt(d));
606 return container_of0(d, struct mdt_device, mdt_md_dev.md_lu_dev);
609 /* mdt/mdt_identity.c */
610 #define MDT_IDENTITY_UPCALL_PATH "/usr/sbin/l_getidentity"
612 extern struct upcall_cache_ops mdt_identity_upcall_cache_ops;
614 struct md_identity *mdt_identity_get(struct upcall_cache *, __u32);
616 void mdt_identity_put(struct upcall_cache *, struct md_identity *);
618 void mdt_flush_identity(struct upcall_cache *, int);
620 __u32 mdt_identity_get_perm(struct md_identity *, __u32, lnet_nid_t);
622 int mdt_pack_remote_perm(struct mdt_thread_info *, struct mdt_object *, void *);
624 extern struct lu_context_key mdt_thread_key;
625 /* debug issues helper starts here*/
626 static inline void mdt_fail_write(const struct lu_env *env,
627 struct dt_device *dd, int id)
629 if (OBD_FAIL_CHECK_ORSET(id, OBD_FAIL_ONCE)) {
630 CERROR(LUSTRE_MDT_NAME": obd_fail_loc=%x, fail write ops\n",
632 dd->dd_ops->dt_ro(env, dd);
633 /* We set FAIL_ONCE because we never "un-fail" a device */
637 static inline struct mdt_export_data *mdt_req2med(struct ptlrpc_request *req)
639 return &req->rq_export->exp_mdt_data;
642 typedef void (*mdt_reconstruct_t)(struct mdt_thread_info *mti,
643 struct mdt_lock_handle *lhc);
644 static inline int mdt_check_resent(struct mdt_thread_info *info,
645 mdt_reconstruct_t reconstruct,
646 struct mdt_lock_handle *lhc)
648 struct ptlrpc_request *req = mdt_info_req(info);
651 if (lustre_msg_get_flags(req->rq_reqmsg) & MSG_RESENT) {
652 if (req_xid_is_last(req)) {
653 reconstruct(info, lhc);
656 DEBUG_REQ(D_HA, req, "no reply for RESENT req (have "LPD64")",
657 req->rq_export->exp_mdt_data.med_lcd->lcd_last_xid);
662 struct md_ucred *mdt_ucred(const struct mdt_thread_info *info);
664 static inline int is_identity_get_disabled(struct upcall_cache *cache)
666 return cache ? (strcmp(cache->uc_upcall, "NONE") == 0) : 1;
669 /* Issues dlm lock on passed @ns, @f stores it lock handle into @lh. */
670 static inline int mdt_fid_lock(struct ldlm_namespace *ns,
671 struct lustre_handle *lh,
673 ldlm_policy_data_t *policy,
674 const struct ldlm_res_id *res_id,
682 rc = ldlm_cli_enqueue_local(ns, res_id, LDLM_IBITS, policy,
683 mode, &flags, ldlm_blocking_ast,
684 ldlm_completion_ast, NULL, NULL,
686 return rc == ELDLM_OK ? 0 : -EIO;
689 static inline void mdt_fid_unlock(struct lustre_handle *lh,
692 ldlm_lock_decref(lh, mode);
695 extern mdl_mode_t mdt_mdl_lock_modes[];
696 extern ldlm_mode_t mdt_dlm_lock_modes[];
698 static inline mdl_mode_t mdt_dlm_mode2mdl_mode(ldlm_mode_t mode)
700 LASSERT(IS_PO2(mode));
701 return mdt_mdl_lock_modes[mode];
704 static inline ldlm_mode_t mdt_mdl_mode2dlm_mode(mdl_mode_t mode)
706 LASSERT(IS_PO2(mode));
707 return mdt_dlm_lock_modes[mode];
710 static inline struct lu_name *mdt_name(const struct lu_env *env,
711 char *name, int namelen)
713 struct lu_name *lname;
714 struct mdt_thread_info *mti;
716 LASSERT(namelen > 0);
717 /* trailing '\0' in buffer */
718 LASSERT(name[namelen] == '\0');
720 mti = lu_context_key_get(&env->le_ctx, &mdt_thread_key);
721 lname = &mti->mti_name;
722 lname->ln_name = name;
723 lname->ln_namelen = namelen;
727 static inline struct lu_name *mdt_name_copy(struct lu_name *tlname,
728 struct lu_name *slname)
733 tlname->ln_name = slname->ln_name;
734 tlname->ln_namelen = slname->ln_namelen;
739 void lprocfs_mdt_init_vars(struct lprocfs_static_vars *lvars);
740 int mdt_procfs_init(struct mdt_device *mdt, const char *name);
741 int mdt_procfs_fini(struct mdt_device *mdt);
743 void mdt_time_start(const struct mdt_thread_info *info);
744 void mdt_time_end(const struct mdt_thread_info *info, int idx);
751 int mdt_ck_thread_start(struct mdt_device *mdt);
752 void mdt_ck_thread_stop(struct mdt_device *mdt);
753 void mdt_ck_timer_callback(unsigned long castmeharder);
754 int mdt_capa_keys_init(const struct lu_env *env, struct mdt_device *mdt);
756 static inline void mdt_set_capainfo(struct mdt_thread_info *info, int offset,
757 const struct lu_fid *fid,
758 struct lustre_capa *capa)
760 struct mdt_device *dev = info->mti_mdt;
761 struct md_capainfo *ci;
763 LASSERT(offset >= 0 && offset <= MD_CAPAINFO_MAX);
764 if (!dev->mdt_opts.mo_mds_capa)
767 ci = md_capainfo(info->mti_env);
769 ci->mc_fid[offset] = fid;
770 ci->mc_capa[offset] = capa;
773 static inline void mdt_dump_capainfo(struct mdt_thread_info *info)
775 struct md_capainfo *ci = md_capainfo(info->mti_env);
780 for (i = 0; i < MD_CAPAINFO_MAX; i++) {
783 if (!ci->mc_capa[i]) {
784 CERROR("no capa for index %d "DFID"\n",
785 i, PFID(ci->mc_fid[i]));
788 if (ci->mc_capa[i] == BYPASS_CAPA) {
789 CERROR("bypass for index %d "DFID"\n",
790 i, PFID(ci->mc_fid[i]));
793 DEBUG_CAPA(D_ERROR, ci->mc_capa[i], "index %d", i);
797 #endif /* __KERNEL__ */