1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
2 * vim:expandtab:shiftwidth=8:tabstop=8:
4 * lustre/mdt/mdt_internal.h
5 * Lustre Metadata Target (mdt) request handler
7 * Copyright (c) 2006 Cluster File Systems, Inc.
8 * Author: Peter Braam <braam@clusterfs.com>
9 * Author: Andreas Dilger <adilger@clusterfs.com>
10 * Author: Phil Schwan <phil@clusterfs.com>
11 * Author: Mike Shaver <shaver@clusterfs.com>
12 * Author: Nikita Danilov <nikita@clusterfs.com>
13 * Author: Huang Hua <huanghua@clusterfs.com>
15 * This file is part of the Lustre file system, http://www.lustre.org
16 * Lustre is a trademark of Cluster File Systems, Inc.
18 * You may have signed or agreed to another license before downloading
19 * this software. If so, you are bound by the terms and conditions
20 * of that agreement, and the following does not apply to you. See the
21 * LICENSE file included with this distribution for more information.
23 * If you did not agree to a different license, then this copy of Lustre
24 * is open source software; you can redistribute it and/or modify it
25 * under the terms of version 2 of the GNU General Public License as
26 * published by the Free Software Foundation.
28 * In either case, Lustre is distributed in the hope that it will be
29 * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
30 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
31 * license text for more details.
34 #ifndef _MDT_INTERNAL_H
35 #define _MDT_INTERNAL_H
37 #if defined(__KERNEL__)
40 * struct ptlrpc_client
42 #include <lustre_net.h>
45 * struct obd_connect_data
46 * struct lustre_handle
48 #include <lustre/lustre_idl.h>
49 #include <md_object.h>
50 #include <dt_object.h>
51 #include <lustre_fid.h>
52 #include <lustre_fld.h>
53 #include <lustre_req_layout.h>
54 /* LR_CLIENT_SIZE, etc. */
55 #include <lustre_disk.h>
56 #include <lustre_sec.h>
58 #include <lustre_idmap.h>
59 #include <lustre_eacl.h>
61 static inline __u64 lcd_last_transno(struct lsd_client_data *lcd)
63 return max(lcd->lcd_last_transno, lcd->lcd_last_close_transno);
66 static inline __u64 lcd_last_xid(struct lsd_client_data *lcd)
68 return max(lcd->lcd_last_xid, lcd->lcd_last_close_xid);
71 /* check if request's xid is equal to last one or not*/
72 static inline int req_xid_is_last(struct ptlrpc_request *req)
74 struct lsd_client_data *lcd = req->rq_export->exp_mdt_data.med_lcd;
75 return (req->rq_xid == lcd->lcd_last_xid ||
76 req->rq_xid == lcd->lcd_last_close_xid);
80 /* file data for open files on MDS */
81 struct mdt_file_data {
82 struct portals_handle mfd_handle; /* must be first */
83 struct list_head mfd_list; /* protected by med_open_lock */
84 __u64 mfd_xid; /* xid of the open request */
85 struct lustre_handle mfd_old_handle; /* old handle in replay case */
86 int mfd_mode; /* open mode provided by client */
87 struct mdt_object *mfd_object; /* point to opened object */
92 struct md_device mdt_md_dev;
93 struct ptlrpc_service *mdt_regular_service;
94 struct ptlrpc_service *mdt_readpage_service;
95 struct ptlrpc_service *mdt_xmds_service;
96 struct ptlrpc_service *mdt_setattr_service;
97 struct ptlrpc_service *mdt_mdsc_service;
98 struct ptlrpc_service *mdt_mdss_service;
99 struct ptlrpc_service *mdt_dtss_service;
100 struct ptlrpc_service *mdt_fld_service;
101 /* DLM name-space for meta-data locks maintained by this server */
102 struct ldlm_namespace *mdt_namespace;
103 /* ptlrpc handle for MDS->client connections (for lock ASTs). */
104 struct ptlrpc_client *mdt_ldlm_client;
105 /* underlying device */
106 struct md_device *mdt_child;
107 struct dt_device *mdt_bottom;
109 * Options bit-fields.
112 signed int mo_user_xattr :1,
118 /* mdt state flags */
119 __u32 mdt_fl_cfglog:1,
121 /* lock to pretect epoch and write count */
122 spinlock_t mdt_ioepoch_lock;
125 /* Transaction related stuff here */
126 spinlock_t mdt_transno_lock;
127 __u64 mdt_last_transno;
129 /* transaction callbacks */
130 struct dt_txn_callback mdt_txn_cb;
132 struct dt_object *mdt_last_rcvd;
134 /* these values should be updated from lov if necessary.
135 * or should be placed somewhere else. */
137 int mdt_max_cookiesize;
138 __u64 mdt_mount_count;
141 struct lr_server_data mdt_lsd;
142 spinlock_t mdt_client_bitmap_lock;
143 unsigned long mdt_client_bitmap[(LR_MAX_CLIENTS >> 3) / sizeof(long)];
145 struct upcall_cache *mdt_identity_cache;
148 rwlock_t mdt_sptlrpc_lock;
149 struct sptlrpc_rule_set mdt_sptlrpc_rset;
151 /* capability keys */
152 unsigned long mdt_capa_timeout;
154 struct dt_object *mdt_ck_obj;
155 unsigned long mdt_ck_timeout;
156 unsigned long mdt_ck_expiry;
157 cfs_timer_t mdt_ck_timer;
158 struct ptlrpc_thread mdt_ck_thread;
159 struct lustre_capa_key mdt_capa_keys[2];
160 unsigned int mdt_capa_conf:1;
162 cfs_proc_dir_entry_t *mdt_proc_entry;
163 struct lprocfs_stats *mdt_stats;
166 /*XXX copied from mds_internal.h */
167 #define MDT_SERVICE_WATCHDOG_TIMEOUT (obd_timeout * 1000)
168 #define MDT_ROCOMPAT_SUPP (OBD_ROCOMPAT_LOVOBJID)
169 #define MDT_INCOMPAT_SUPP (OBD_INCOMPAT_MDT | OBD_INCOMPAT_COMMON_LR)
172 struct lu_object_header mot_header;
173 struct md_object mot_obj;
180 struct mdt_lock_handle {
181 /* Lock type, reg for cross-ref use or pdo lock. */
185 struct lustre_handle mlh_reg_lh;
186 ldlm_mode_t mlh_reg_mode;
189 struct lustre_handle mlh_pdo_lh;
190 ldlm_mode_t mlh_pdo_mode;
191 unsigned int mlh_pdo_hash;
195 MDT_LH_PARENT, /* parent lockh */
196 MDT_LH_CHILD, /* child lockh */
197 MDT_LH_OLD, /* old lockh for rename */
198 MDT_LH_NEW, /* new lockh for rename */
199 MDT_LH_RMT, /* used for return lh to caller */
208 struct mdt_reint_record {
209 mdt_reint_t rr_opcode;
210 const struct lustre_handle *rr_handle;
211 const struct lu_fid *rr_fid1;
212 const struct lu_fid *rr_fid2;
217 const void *rr_eadata;
220 const struct llog_cookie *rr_logcookies;
224 enum mdt_reint_flag {
225 MRF_SETATTR_LOCKED = 1 << 0,
229 * Common data shared by mdt-level handlers. This is allocated per-thread to
230 * reduce stack consumption.
232 struct mdt_thread_info {
235 * The following members will be filled explicitly
236 * with specific data in mdt_thread_info_init().
238 /* TODO: move this into mdt_session_key(with LCT_SESSION), because
239 * request handling may migrate from one server thread to another.
241 struct req_capsule *mti_pill;
243 /* although we have export in req, there are cases when it is not
244 * available, e.g. closing files upon export destroy */
245 struct obd_export *mti_exp;
247 * A couple of lock handles.
249 struct mdt_lock_handle mti_lh[MDT_LH_NR];
251 struct mdt_device *mti_mdt;
252 const struct lu_env *mti_env;
255 * Additional fail id that can be set by handler. Passed to
256 * target_send_reply().
260 /* transaction number of current request */
266 * The following members will be filled expilictly
267 * with zero in mdt_thread_info_init(). These members may be used
274 struct md_attr mti_attr;
276 * Body for "habeo corpus" operations.
278 const struct mdt_body *mti_body;
280 * Host object. This is released at the end of mdt_handler().
282 struct mdt_object *mti_object;
284 * Lock request for "habeo clavis" operations.
286 const struct ldlm_request *mti_dlm_req;
288 __u32 mti_has_trans:1, /* has txn already? */
292 /* opdata for mdt_reint_open(), has the same as
293 * ldlm_reply:lock_policy_res1. mdt_update_last_rcvd() stores this
294 * value onto disk for recovery when mdt_trans_stop_cb() is called.
300 * The following members will be filled expilictly
301 * with zero in mdt_reint_unpack(), because they are only used
302 * by reint requests (including mdt_reint_open()).
306 * reint record. contains information for reint operations.
308 struct mdt_reint_record mti_rr;
311 * Operation specification (currently create and lookup)
313 struct md_op_spec mti_spec;
317 * The following members will _NOT_ be initialized at all.
318 * DO NOT expect them to contain any valid value.
319 * They should be initialized explicitly by the user themselves.
322 /* XXX: If something is in a union, make sure they do not conflict */
324 struct lu_fid mti_tmp_fid1;
325 struct lu_fid mti_tmp_fid2;
326 ldlm_policy_data_t mti_policy; /* for mdt_object_lock() and
327 * mdt_rename_lock() */
328 struct ldlm_res_id mti_res_id; /* for mdt_object_lock() and
331 struct obd_uuid uuid[2]; /* for mdt_seq_init_cli() */
332 char ns_name[48]; /* for mdt_init0() */
333 struct lustre_cfg_bufs bufs; /* for mdt_stack_fini() */
334 struct kstatfs ksfs; /* for mdt_statfs() */
336 /* for mdt_readpage() */
337 struct lu_rdpg mti_rdpg;
338 /* for mdt_sendpage() */
339 struct l_wait_info mti_wait_info;
343 /* IO epoch related stuff. */
344 struct mdt_epoch *mti_epoch;
345 __u64 mti_replayepoch;
347 /* server and client data buffers */
348 struct lr_server_data mti_lsd;
349 struct lsd_client_data mti_lcd;
351 struct txn_param mti_txn_param;
352 struct lu_buf mti_buf;
353 struct lustre_capa_key mti_capa_key;
355 /* Ops object filename */
356 struct lu_name mti_name;
359 typedef void (*mdt_cb_t)(const struct mdt_device *mdt, __u64 transno,
360 void *data, int err);
361 struct mdt_commit_cb {
362 mdt_cb_t mdt_cb_func;
367 * Info allocated per-transaction.
369 #define MDT_MAX_COMMIT_CB 4
370 struct mdt_txn_info {
372 unsigned int txi_cb_count;
373 struct mdt_commit_cb txi_cb[MDT_MAX_COMMIT_CB];
376 extern struct lu_context_key mdt_txn_key;
378 static inline void mdt_trans_add_cb(const struct thandle *th,
379 mdt_cb_t cb_func, void *cb_data)
381 struct mdt_txn_info *txi;
383 txi = lu_context_key_get(&th->th_ctx, &mdt_txn_key);
384 LASSERT(txi->txi_cb_count < ARRAY_SIZE(txi->txi_cb));
386 /* add new callback */
387 txi->txi_cb[txi->txi_cb_count].mdt_cb_func = cb_func;
388 txi->txi_cb[txi->txi_cb_count].mdt_cb_data = cb_data;
392 static inline struct md_device_operations *mdt_child_ops(struct mdt_device * m)
394 LASSERT(m->mdt_child);
395 return m->mdt_child->md_ops;
398 static inline struct md_object *mdt_object_child(struct mdt_object *o)
401 return lu2md(lu_object_next(&o->mot_obj.mo_lu));
404 static inline struct ptlrpc_request *mdt_info_req(struct mdt_thread_info *info)
406 return info->mti_pill ? info->mti_pill->rc_req : NULL;
409 static inline __u64 mdt_conn_flags(struct mdt_thread_info *info)
411 LASSERT(info->mti_exp);
412 return info->mti_exp->exp_connect_flags;
415 static inline void mdt_object_get(const struct lu_env *env,
416 struct mdt_object *o)
419 lu_object_get(&o->mot_obj.mo_lu);
423 static inline void mdt_object_put(const struct lu_env *env,
424 struct mdt_object *o)
427 lu_object_put(env, &o->mot_obj.mo_lu);
431 static inline int mdt_object_exists(const struct mdt_object *o)
433 return lu_object_exists(&o->mot_obj.mo_lu);
436 static inline const struct lu_fid *mdt_object_fid(struct mdt_object *o)
438 return lu_object_fid(&o->mot_obj.mo_lu);
442 static inline void mdt_export_evict(struct obd_export *exp)
444 class_fail_export(exp);
445 class_export_put(exp);
448 int mdt_get_disposition(struct ldlm_reply *rep, int flag);
449 void mdt_set_disposition(struct mdt_thread_info *info,
450 struct ldlm_reply *rep, int flag);
451 void mdt_clear_disposition(struct mdt_thread_info *info,
452 struct ldlm_reply *rep, int flag);
454 void mdt_lock_pdo_init(struct mdt_lock_handle *lh,
455 ldlm_mode_t lm, const char *name,
458 void mdt_lock_reg_init(struct mdt_lock_handle *lh,
461 int mdt_lock_setup(struct mdt_thread_info *info,
462 struct mdt_object *o,
463 struct mdt_lock_handle *lh);
465 int mdt_object_lock(struct mdt_thread_info *,
467 struct mdt_lock_handle *,
470 void mdt_object_unlock(struct mdt_thread_info *,
472 struct mdt_lock_handle *,
475 struct mdt_object *mdt_object_find(const struct lu_env *,
477 const struct lu_fid *);
478 struct mdt_object *mdt_object_find_lock(struct mdt_thread_info *,
479 const struct lu_fid *,
480 struct mdt_lock_handle *,
482 void mdt_object_unlock_put(struct mdt_thread_info *,
484 struct mdt_lock_handle *,
487 int mdt_close_unpack(struct mdt_thread_info *info);
488 int mdt_reint_unpack(struct mdt_thread_info *info, __u32 op);
489 int mdt_reint_rec(struct mdt_thread_info *, struct mdt_lock_handle *);
490 void mdt_pack_size2body(struct mdt_thread_info *info,
491 struct mdt_object *o);
492 void mdt_pack_attr2body(struct mdt_thread_info *info, struct mdt_body *b,
493 const struct lu_attr *attr, const struct lu_fid *fid);
495 int mdt_getxattr(struct mdt_thread_info *info);
496 int mdt_reint_setxattr(struct mdt_thread_info *info,
497 struct mdt_lock_handle *lh);
499 void mdt_lock_handle_init(struct mdt_lock_handle *lh);
500 void mdt_lock_handle_fini(struct mdt_lock_handle *lh);
502 void mdt_reconstruct(struct mdt_thread_info *, struct mdt_lock_handle *);
503 void mdt_reconstruct_generic(struct mdt_thread_info *mti,
504 struct mdt_lock_handle *lhc);
506 extern void target_recovery_fini(struct obd_device *obd);
507 extern void target_recovery_init(struct obd_device *obd,
508 svc_handler_t handler);
509 int mdt_fs_setup(const struct lu_env *, struct mdt_device *,
510 struct obd_device *);
511 void mdt_fs_cleanup(const struct lu_env *, struct mdt_device *);
513 int mdt_client_del(const struct lu_env *env,
514 struct mdt_device *mdt);
515 int mdt_client_add(const struct lu_env *env,
516 struct mdt_device *mdt,
518 int mdt_client_new(const struct lu_env *env,
519 struct mdt_device *mdt);
521 int mdt_pin(struct mdt_thread_info* info);
523 int mdt_lock_new_child(struct mdt_thread_info *info,
524 struct mdt_object *o,
525 struct mdt_lock_handle *child_lockh);
527 void mdt_mfd_set_mode(struct mdt_file_data *mfd,
530 int mdt_reint_open(struct mdt_thread_info *info,
531 struct mdt_lock_handle *lhc);
533 struct mdt_file_data *mdt_handle2mfd(struct mdt_thread_info *,
534 const struct lustre_handle *);
535 int mdt_epoch_open(struct mdt_thread_info *info, struct mdt_object *o);
536 void mdt_sizeonmds_enable(struct mdt_thread_info *info, struct mdt_object *mo);
537 int mdt_sizeonmds_enabled(struct mdt_object *mo);
538 int mdt_write_get(struct mdt_device *mdt, struct mdt_object *o);
539 int mdt_write_read(struct mdt_device *mdt, struct mdt_object *o);
540 struct mdt_file_data *mdt_mfd_new(void);
541 int mdt_mfd_close(struct mdt_thread_info *info, struct mdt_file_data *mfd);
542 void mdt_mfd_free(struct mdt_file_data *mfd);
543 int mdt_close(struct mdt_thread_info *info);
544 int mdt_attr_set(struct mdt_thread_info *info, struct mdt_object *mo,
546 int mdt_done_writing(struct mdt_thread_info *info);
547 void mdt_shrink_reply(struct mdt_thread_info *info);
548 int mdt_handle_last_unlink(struct mdt_thread_info *, struct mdt_object *,
549 const struct md_attr *);
550 void mdt_reconstruct_open(struct mdt_thread_info *, struct mdt_lock_handle *);
551 struct thandle* mdt_trans_start(const struct lu_env *env,
552 struct mdt_device *mdt, int credits);
553 void mdt_trans_stop(const struct lu_env *env,
554 struct mdt_device *mdt, struct thandle *th);
555 int mdt_record_write(const struct lu_env *env,
556 struct dt_object *dt, const struct lu_buf *buf,
557 loff_t *pos, struct thandle *th);
558 int mdt_record_read(const struct lu_env *env,
559 struct dt_object *dt, struct lu_buf *buf, loff_t *pos);
561 struct lu_buf *mdt_buf(const struct lu_env *env, void *area, ssize_t len);
562 const struct lu_buf *mdt_buf_const(const struct lu_env *env,
563 const void *area, ssize_t len);
565 void mdt_dump_lmm(int level, const struct lov_mds_md *lmm);
567 int mdt_check_ucred(struct mdt_thread_info *);
568 int mdt_init_ucred(struct mdt_thread_info *, struct mdt_body *);
569 int mdt_init_ucred_reint(struct mdt_thread_info *);
570 void mdt_exit_ucred(struct mdt_thread_info *);
573 int mdt_init_idmap(struct mdt_thread_info *);
575 void mdt_cleanup_idmap(struct mdt_export_data *);
577 int mdt_handle_idmap(struct mdt_thread_info *);
579 int ptlrpc_user_desc_do_idmap(struct ptlrpc_request *,
580 struct ptlrpc_user_desc *);
582 void mdt_body_reverse_idmap(struct mdt_thread_info *,
585 int mdt_remote_perm_reverse_idmap(struct ptlrpc_request *,
586 struct mdt_remote_perm *);
588 int mdt_fix_attr_ucred(struct mdt_thread_info *, __u32);
590 static inline struct mdt_device *mdt_dev(struct lu_device *d)
592 // LASSERT(lu_device_is_mdt(d));
593 return container_of0(d, struct mdt_device, mdt_md_dev.md_lu_dev);
596 /* mdt/mdt_identity.c */
597 #define MDT_IDENTITY_UPCALL_PATH "/usr/sbin/l_getidentity"
599 extern struct upcall_cache_ops mdt_identity_upcall_cache_ops;
601 struct md_identity *mdt_identity_get(struct upcall_cache *, __u32);
603 void mdt_identity_put(struct upcall_cache *, struct md_identity *);
605 void mdt_flush_identity(struct upcall_cache *, int);
607 __u32 mdt_identity_get_perm(struct md_identity *, __u32, lnet_nid_t);
609 int mdt_pack_remote_perm(struct mdt_thread_info *, struct mdt_object *, void *);
611 extern struct lu_context_key mdt_thread_key;
612 /* debug issues helper starts here*/
613 static inline void mdt_fail_write(const struct lu_env *env,
614 struct dt_device *dd, int id)
616 if (OBD_FAIL_CHECK_ORSET(id, OBD_FAIL_ONCE)) {
617 CERROR(LUSTRE_MDT_NAME": obd_fail_loc=%x, fail write ops\n",
619 dd->dd_ops->dt_ro(env, dd);
620 /* We set FAIL_ONCE because we never "un-fail" a device */
624 static inline struct mdt_export_data *mdt_req2med(struct ptlrpc_request *req)
626 return &req->rq_export->exp_mdt_data;
629 typedef void (*mdt_reconstruct_t)(struct mdt_thread_info *mti,
630 struct mdt_lock_handle *lhc);
631 static inline int mdt_check_resent(struct mdt_thread_info *info,
632 mdt_reconstruct_t reconstruct,
633 struct mdt_lock_handle *lhc)
635 struct ptlrpc_request *req = mdt_info_req(info);
638 if (lustre_msg_get_flags(req->rq_reqmsg) & MSG_RESENT) {
639 if (req_xid_is_last(req)) {
640 reconstruct(info, lhc);
643 DEBUG_REQ(D_HA, req, "no reply for RESENT req (have "LPD64")",
644 req->rq_export->exp_mdt_data.med_lcd->lcd_last_xid);
649 struct md_ucred *mdt_ucred(const struct mdt_thread_info *info);
651 static inline int is_identity_get_disabled(struct upcall_cache *cache)
653 return cache ? (strcmp(cache->uc_upcall, "NONE") == 0) : 1;
656 /* Issues dlm lock on passed @ns, @f stores it lock handle into @lh. */
657 static inline int mdt_fid_lock(struct ldlm_namespace *ns,
658 struct lustre_handle *lh,
660 ldlm_policy_data_t *policy,
661 const struct ldlm_res_id *res_id,
669 rc = ldlm_cli_enqueue_local(ns, res_id, LDLM_IBITS, policy,
670 mode, &flags, ldlm_blocking_ast,
671 ldlm_completion_ast, NULL, NULL,
673 return rc == ELDLM_OK ? 0 : -EIO;
676 static inline void mdt_fid_unlock(struct lustre_handle *lh,
679 ldlm_lock_decref(lh, mode);
682 extern mdl_mode_t mdt_mdl_lock_modes[];
683 extern ldlm_mode_t mdt_dlm_lock_modes[];
685 static inline mdl_mode_t mdt_dlm_mode2mdl_mode(ldlm_mode_t mode)
687 LASSERT(IS_PO2(mode));
688 return mdt_mdl_lock_modes[mode];
691 static inline ldlm_mode_t mdt_mdl_mode2dlm_mode(mdl_mode_t mode)
693 LASSERT(IS_PO2(mode));
694 return mdt_dlm_lock_modes[mode];
697 static inline struct lu_name *mdt_name(const struct lu_env *env,
698 char *name, int namelen)
700 struct lu_name *lname;
701 struct mdt_thread_info *mti;
703 LASSERT(namelen > 0);
704 /* trailing '\0' in buffer */
705 LASSERT(name[namelen] == '\0');
707 mti = lu_context_key_get(&env->le_ctx, &mdt_thread_key);
708 lname = &mti->mti_name;
709 lname->ln_name = name;
710 lname->ln_namelen = namelen;
714 static inline struct lu_name *mdt_name_copy(struct lu_name *tlname,
715 struct lu_name *slname)
720 tlname->ln_name = slname->ln_name;
721 tlname->ln_namelen = slname->ln_namelen;
726 void lprocfs_mdt_init_vars(struct lprocfs_static_vars *lvars);
727 int mdt_procfs_init(struct mdt_device *mdt, const char *name);
728 int mdt_procfs_fini(struct mdt_device *mdt);
730 void mdt_time_start(const struct mdt_thread_info *info);
731 void mdt_time_end(const struct mdt_thread_info *info, int idx);
738 int mdt_ck_thread_start(struct mdt_device *mdt);
739 void mdt_ck_thread_stop(struct mdt_device *mdt);
740 void mdt_ck_timer_callback(unsigned long castmeharder);
741 int mdt_capa_keys_init(const struct lu_env *env, struct mdt_device *mdt);
743 static inline void mdt_set_capainfo(struct mdt_thread_info *info, int offset,
744 const struct lu_fid *fid,
745 struct lustre_capa *capa)
747 struct mdt_device *dev = info->mti_mdt;
748 struct md_capainfo *ci;
750 LASSERT(offset >= 0 && offset <= MD_CAPAINFO_MAX);
751 if (!dev->mdt_opts.mo_mds_capa)
754 ci = md_capainfo(info->mti_env);
756 ci->mc_fid[offset] = fid;
757 ci->mc_capa[offset] = capa;
760 static inline void mdt_dump_capainfo(struct mdt_thread_info *info)
762 struct md_capainfo *ci = md_capainfo(info->mti_env);
767 for (i = 0; i < MD_CAPAINFO_MAX; i++) {
770 if (!ci->mc_capa[i]) {
771 CERROR("no capa for index %d "DFID"\n",
772 i, PFID(ci->mc_fid[i]));
775 if (ci->mc_capa[i] == BYPASS_CAPA) {
776 CERROR("bypass for index %d "DFID"\n",
777 i, PFID(ci->mc_fid[i]));
780 DEBUG_CAPA(D_ERROR, ci->mc_capa[i], "index %d", i);
784 #endif /* __KERNEL__ */