Make round-robin repeat count per-path.
--- diff/drivers/md/dm-mpath.c	2004-09-28 17:41:41.000000000 +0100
+++ source/drivers/md/dm-mpath.c	2004-09-28 17:09:27.000000000 +0100
@@ -678,7 +678,7 @@
 		return -EINVAL;
 	}
 
-	DMINFO("dm_multipath v0.2.0");
+	DMINFO("dm_multipath version 0.2.1 loaded");
 	return r;
 }
 
--- diff/drivers/md/dm-roundrobin.c	2004-09-28 17:41:41.000000000 +0100
+++ source/drivers/md/dm-roundrobin.c	2004-09-28 17:40:58.000000000 +0100
@@ -19,6 +19,7 @@
 struct path_info {
 	struct list_head list;
 	struct path *path;
+	unsigned repeat_count;
 };
 
 static struct path_info *path_lookup(struct list_head *head, struct path *p)
@@ -43,11 +44,9 @@
 
 	struct list_head valid_paths;
 	struct list_head invalid_paths;
-
-	unsigned repeat_count;
 };
 
-static struct selector *alloc_selector(unsigned repeat_count)
+static struct selector *alloc_selector(void)
 {
 	struct selector *s = kmalloc(sizeof(*s), GFP_KERNEL);
 
@@ -55,7 +54,6 @@
 		INIT_LIST_HEAD(&s->valid_paths);
 		INIT_LIST_HEAD(&s->invalid_paths);
 		s->lock = SPIN_LOCK_UNLOCKED;
-		s->repeat_count = repeat_count;
 	}
 
 	return s;
@@ -66,8 +64,7 @@
 {
 	struct selector *s;
 
-	/* FIXME Parameter passed in */
-	s = alloc_selector(RR_MIN_IO);
+	s = alloc_selector();
 	if (!s)
 		return -ENOMEM;
 
@@ -100,9 +97,15 @@
 {
 	struct selector *s = (struct selector *) ps->context;
 	struct path_info *pi;
+	unsigned repeat_count = RR_MIN_IO;
 
-	/* parse the path arguments */
-	if (argc != 0) {
+	/* First path argument is number of I/Os before switching path */
+	if (argc == 1) {
+		if (sscanf(argv[0], "%u", &repeat_count) != 1) {
+			*error = "round-robin ps: invalid repeat count";
+			return -EINVAL;
+		}
+	} else if (argc != 0) {
 		*error = "round-robin ps: incorrect number of arguments";
 		return -EINVAL;
 	}
@@ -115,6 +118,7 @@
 	}
 
 	pi->path = path;
+	pi->repeat_count = repeat_count;
 
 	spin_lock(&s->lock);
 	list_add(&pi->list, &s->valid_paths);
@@ -166,7 +170,7 @@
 	if (pi)
 		list_move(&pi->list, &s->valid_paths);
 	else {
-		DMWARN("asked to change the state of an unknown path");
+		DMWARN("asked to reinstate an unknown path");
 		r = -EINVAL;
 	}
 
@@ -187,7 +191,7 @@
 	if (!list_empty(&s->valid_paths)) {
 		pi = list_entry(s->valid_paths.next, struct path_info, list);
 		list_move_tail(&pi->list, &s->valid_paths);
-		*repeat_count = RR_MIN_IO;
+		*repeat_count = pi->repeat_count;
 	}
 	spin_unlock_irqrestore(&s->lock, flags);
 
@@ -222,6 +226,8 @@
 	if (r < 0)
 		DMERR("round-robin: register failed %d", r);
 
+	DMINFO("dm-roundrobin version 0.2.1 loaded");
+
 	return r;
 }