*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
* GPL HEADER END
*/
* Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2014, Intel Corporation.
+ * Copyright (c) 2011, 2016, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* operation, and updates on each MDTs are linked to
* dtr_sub_list */
struct distribute_txn_replay_req {
- /* update record */
+ /* update record, may be vmalloc'd */
struct llog_update_record *dtrq_lur;
int dtrq_lur_size;
typedef int (*distribute_txn_replay_handler_t)(struct lu_env *env,
struct target_distribute_txn_data *tdtd,
struct distribute_txn_replay_req *dtrq);
+typedef char *(*target_show_update_logs_retrievers_t)(void *data, int *size,
+ int *count);
struct target_distribute_txn_data {
/* Distribution ID is used to identify updates log on different
* MDTs for one operation */
spinlock_t tdtd_replay_list_lock;
/* last replay update transno */
__u32 tdtd_replay_ready:1;
+
+ /* Manage the llog recovery threads */
+ atomic_t tdtd_recovery_threads_count;
+ wait_queue_head_t tdtd_recovery_threads_waitq;
+ target_show_update_logs_retrievers_t
+ tdtd_show_update_logs_retrievers;
+ void *tdtd_show_retrievers_cbdata;
};
struct lu_target {
rwlock_t lut_sptlrpc_lock;
struct sptlrpc_rule_set lut_sptlrpc_rset;
spinlock_t lut_flags_lock;
- int lut_sec_level;
unsigned int lut_syncjournal:1,
lut_sync_lock_cancel:2,
/* e.g. OST node */
struct dt_object *lut_reply_data;
/** Bitmap of used slots in the reply data file */
unsigned long **lut_reply_bitmap;
+ /** target sync count, used for debug & test */
+ atomic_t lut_sync_count;
+
+ /** cross MDT locks which should trigger Sync-on-Lock-Cancel */
+ spinlock_t lut_slc_locks_guard;
+ struct list_head lut_slc_locks;
};
/* number of slots in reply bitmap */
int tgt_sec_ctx_init_cont(struct tgt_session_info *tsi);
int tgt_sec_ctx_fini(struct tgt_session_info *tsi);
int tgt_sendpage(struct tgt_session_info *tsi, struct lu_rdpg *rdpg, int nob);
+int tgt_send_buffer(struct tgt_session_info *tsi, struct lu_rdbuf *rdbuf);
int tgt_validate_obdo(struct tgt_session_info *tsi, struct obdo *oa);
int tgt_sync(const struct lu_env *env, struct lu_target *tgt,
struct dt_object *obj, __u64 start, __u64 end);
struct thandle *));
void tgt_register_lfsck_query(int (*query)(const struct lu_env *,
struct dt_device *,
- struct lfsck_request *));
+ struct lfsck_request *,
+ struct lfsck_reply *,
+ struct lfsck_query *));
bool req_can_reconstruct(struct ptlrpc_request *req, struct tg_reply_data *trd);
+extern struct tgt_handler tgt_sec_ctx_handlers[];
extern struct tgt_handler tgt_lfsck_handlers[];
extern struct tgt_handler tgt_obd_handlers[];
extern struct tgt_handler tgt_dlm_handlers[];
/* target/tgt_main.c */
void tgt_boot_epoch_update(struct lu_target *lut);
+void tgt_save_slc_lock(struct lu_target *lut, struct ldlm_lock *lock,
+ __u64 transno);
+void tgt_discard_slc_lock(struct lu_target *lut, struct ldlm_lock *lock);
int tgt_last_commit_cb_add(struct thandle *th, struct lu_target *lut,
struct obd_export *exp, __u64 transno);
int tgt_new_client_cb_add(struct thandle *th, struct obd_export *exp);
return (rc < 0 && -rc & ESERIOUS);
}
-/**
- * Do not return server-side uid/gid to remote client
- */
-static inline void tgt_drop_id(struct obd_export *exp, struct obdo *oa)
-{
- if (unlikely(exp_connect_rmtclient(exp))) {
- oa->o_uid = -1;
- oa->o_gid = -1;
- oa->o_valid &= ~(OBD_MD_FLUID | OBD_MD_FLGID);
- }
-}
-
/*
* Unified target generic handers macros and generic functions.
*/