X-Git-Url: http://git.ipfire.org/?a=blobdiff_plain;f=mdmon.h;h=21cf71d5c6ac774cca9d2bbb7179e743a4f278ce;hb=b31df43682216d1c65813eae49ebdd8253db8907;hp=965f6438aea6cc4c80a26d74abc38c1c19e4f3e7;hpb=2e735d198233a67f305862f72e3a5d0f0c3c548c;p=thirdparty%2Fmdadm.git

diff --git a/mdmon.h b/mdmon.h
index 965f6438..21cf71d5 100644
--- a/mdmon.h
+++ b/mdmon.h
@@ -1,3 +1,22 @@
+/*
+ * 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};
@@ -9,16 +28,26 @@ struct active_array {
 	struct mdinfo info;
 	struct supertype *container;
 	struct active_array *next, *replaces;
+	int to_remove;
 
 	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 devnum;
-
-	unsigned long long resync_start;
+	int check_degraded; /* flag set by mon, read by manage */
+	int check_reshape; /* flag set by mon, read by manage */
 };
 
 /*
@@ -32,12 +61,6 @@ struct active_array {
  * superswitch.  All common code sees them as opaque
  * blobs.
  */
-struct metadata_update {
-	int	len;
-	char	*buf;
-	void	*space; /* allocated space that monitor will use */
-	struct metadata_update *next;
-};
 extern struct metadata_update *update_queue, *update_queue_handled;
 
 #define MD_MAJOR 9
@@ -51,11 +74,24 @@ extern struct md_generic_cmd *active_cmd;
 void remove_pidfile(char *devname);
 void do_monitor(struct supertype *container);
 void do_manager(struct supertype *container);
+extern int sigterm;
 
 int read_dev_state(int fd);
+int is_container_member(struct mdstat_ent *mdstat, char *container);
 
 struct mdstat_ent *mdstat_read(int hold, int start);
 
-extern struct superswitch super_ddf, super_ddf_bvd, super_ddf_svd;
-
 extern int exit_now, manager_ready;
+extern int mon_tid, mgr_tid;
+extern int monitor_loop_cnt;
+
+/* helper routine to determine resync completion since MaxSector is a
+ * moving target
+ */
+static inline int is_resync_complete(struct mdinfo *array)
+{
+	if (array->resync_start >= array->component_size)
+		return 1;
+	return 0;
+}
+