[PATCH] md: tidy up device-change notification when an md array is stopped
An md array can be stopped leaving all the setting still in place, or it can
torn down and destroyed. set_capacity and other change notifications only
happen in the latter case, but should happen in both.
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 53bd46d..08c2d78 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -3314,6 +3314,10 @@
module_put(mddev->pers->owner);
mddev->pers = NULL;
+
+ set_capacity(disk, 0);
+ mddev->changed = 1;
+
if (mddev->ro)
mddev->ro = 0;
}
@@ -3333,7 +3337,7 @@
if (mode == 0) {
mdk_rdev_t *rdev;
struct list_head *tmp;
- struct gendisk *disk;
+
printk(KERN_INFO "md: %s stopped.\n", mdname(mddev));
bitmap_destroy(mddev);
@@ -3358,10 +3362,6 @@
mddev->raid_disks = 0;
mddev->recovery_cp = 0;
- disk = mddev->gendisk;
- if (disk)
- set_capacity(disk, 0);
- mddev->changed = 1;
} else if (mddev->pers)
printk(KERN_INFO "md: %s switched to read-only mode.\n",
mdname(mddev));