+/*
+ * mdmon - monitor external metadata arrays
+ *
+ * Copyright (C) 2007-2009 Neil Brown <neilb@suse.de>
+ * Copyright (C) 2007-2009 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
enum array_state { clear, inactive, suspended, readonly, read_auto,
clean, active, write_pending, active_idle, bad_word};
int action_fd;
int resync_start_fd;
int metadata_fd; /* for monitoring rw/ro status */
+ int sync_completed_fd; /* for checkpoint notification events */
+ unsigned long long last_checkpoint; /* sync_completed fires for many
+ * reasons this field makes sure the
+ * kernel has made progress before
+ * moving the checkpoint. It is
+ * cleared by the metadata handler
+ * when it determines recovery is
+ * terminated.
+ */
enum array_state prev_state, curr_state, next_state;
enum sync_action prev_action, curr_action, next_action;
int check_degraded; /* flag set by mon, read by manage */
int devnum;
-
- unsigned long long resync_start;
};
/*
void remove_pidfile(char *devname);
void do_monitor(struct supertype *container);
void do_manager(struct supertype *container);
-int make_control_sock(char *devname);
-int make_pidfile(char *devname, int o_excl);
-extern int socket_hup_requested;
+extern int sigterm;
int read_dev_state(int fd);
-int get_resync_start(struct active_array *a);
+int is_container_member(struct mdstat_ent *mdstat, char *container);
struct mdstat_ent *mdstat_read(int hold, int start);
/* helper routine to determine resync completion since MaxSector is a
* moving target
*/
-static inline int is_resync_complete(struct active_array *a)
+static inline int is_resync_complete(struct mdinfo *array)
{
- if (a->resync_start >= a->info.component_size)
+ if (array->resync_start >= array->component_size)
return 1;
return 0;
}