*
* 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) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2015, Intel Corporation.
+ * Copyright (c) 2011, 2016, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#define FSDB_REVOKING_PARAMS (6) /* DLM lock is being revoked */
struct fs_db {
- char fsdb_name[9];
+ char fsdb_name[20];
struct list_head fsdb_list; /* list of databases */
struct mutex fsdb_mutex;
- void *fsdb_ost_index_map; /* bitmap of used indicies */
+ union {
+ void *fsdb_ost_index_map; /* bitmap of used indicies */
+ void *fsdb_barrier_map; /* bitmap of barrier */
+ };
void *fsdb_mdt_index_map; /* bitmap of used indicies */
+ atomic_t fsdb_ref;
int fsdb_mdt_count;
char *fsdb_clilov; /* COMPAT_146 client lov name */
char *fsdb_clilmv;
unsigned long fsdb_flags;
- __u32 fsdb_gen;
+ __u32 fsdb_barrier_status;
+ __u32 fsdb_barrier_timeout;
+ time_t fsdb_barrier_latest_create_time;
/* in-memory copy of the srpc rules, guarded by fsdb_lock */
struct sptlrpc_rule_set fsdb_srpc_gen;
cfs_time_t fsdb_notify_start;
atomic_t fsdb_notify_phase;
volatile unsigned int fsdb_notify_async:1,
- fsdb_notify_stop:1;
- /* statistic data */
- unsigned int fsdb_notify_total;
- unsigned int fsdb_notify_max;
- unsigned int fsdb_notify_count;
+ fsdb_notify_stop:1,
+ fsdb_has_lproc_entry:1,
+ fsdb_barrier_disabled:1;
+ /* statistic data */
+ unsigned int fsdb_notify_total;
+ unsigned int fsdb_notify_max;
+ unsigned int fsdb_notify_count;
+ __u32 fsdb_gen;
};
struct mgs_device {
struct local_oid_storage *mgs_los;
struct mutex mgs_mutex;
struct mutex mgs_health_mutex;
+ struct rw_semaphore mgs_barrier_rwsem;
struct lu_target mgs_lut;
};
int mgs_init_fsdb_list(struct mgs_device *mgs);
int mgs_cleanup_fsdb_list(struct mgs_device *mgs);
-int mgs__mgs_fsdb_setup(const struct lu_env *env, struct mgs_device *mgs,
- struct fs_db *fsdb);
-int mgs_params_fsdb_setup(const struct lu_env *env, struct mgs_device *mgs,
- struct fs_db *fsdb);
+int mgs__mgs_fsdb_setup(const struct lu_env *env, struct mgs_device *mgs);
+int mgs_params_fsdb_setup(const struct lu_env *env, struct mgs_device *mgs);
int mgs_params_fsdb_cleanup(const struct lu_env *env, struct mgs_device *mgs);
int mgs_find_or_make_fsdb(const struct lu_env *env, struct mgs_device *mgs,
char *name, struct fs_db **dbh);
-struct fs_db *mgs_find_fsdb(struct mgs_device *mgs, char *fsname);
+struct fs_db *mgs_find_fsdb(struct mgs_device *mgs, const char *fsname);
+void mgs_put_fsdb(struct mgs_device *mgs, struct fs_db *fsdb);
int mgs_get_fsdb_srpc_from_llog(const struct lu_env *env,
struct mgs_device *mgs, struct fs_db *fsdb);
int mgs_check_index(const struct lu_env *env, struct mgs_device *mgs,
struct mgs_target_info *mti);
-int mgs_check_failnid(const struct lu_env *env, struct mgs_device *mgs,
- struct mgs_target_info *mti);
int mgs_write_log_target(const struct lu_env *env, struct mgs_device *mgs,
struct mgs_target_info *mti, struct fs_db *fsdb);
int mgs_replace_nids(const struct lu_env *env, struct mgs_device *mgs,
int mgs_erase_log(const struct lu_env *env, struct mgs_device *mgs,
char *name);
int mgs_erase_logs(const struct lu_env *env, struct mgs_device *mgs,
- char *fsname);
+ const char *fsname);
int mgs_setparam(const struct lu_env *env, struct mgs_device *mgs,
struct lustre_cfg *lcfg, char *fsname);
int mgs_list_logs(const struct lu_env *env, struct mgs_device *mgs,
void mgs_ir_fini_fs(struct mgs_device *mgs, struct fs_db *fsdb);
void mgs_ir_notify_complete(struct fs_db *fsdb);
int mgs_get_ir_logs(struct ptlrpc_request *req);
-int lprocfs_wr_ir_state(struct file *file, const char *buffer,
+int lprocfs_wr_ir_state(struct file *file, const char __user *buffer,
size_t count, void *data);
int lprocfs_rd_ir_state(struct seq_file *seq, void *data);
ssize_t
-lprocfs_ir_timeout_seq_write(struct file *file, const char *buffer,
+lprocfs_ir_timeout_seq_write(struct file *file, const char __user *buffer,
size_t count, loff_t *off);
int lprocfs_ir_timeout_seq_show(struct seq_file *seq, void *data);
void mgs_fsc_cleanup(struct obd_export *exp);