From: Lukasz Dorau <lukasz.dorau@intel.com>
Date: Fri, 20 Apr 2012 09:00:25 +0000 (+0200)
Subject: fix: correct extending size of raid0 array
X-Git-Tag: mdadm-3.2.4~10
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=b51702b82767b726e34d205c9e00a4f61d3044a7;p=thirdparty%2Fmdadm.git

fix: correct extending size of raid0 array

Setting "sync_action" to "idle" while extending size of raid0 array
is racy and sometimes fails.
"sync_action" should be set to "frozen" instead.

Signed-off-by: Lukasz Dorau <lukasz.dorau@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
---

diff --git a/Grow.c b/Grow.c
index 389992e2..b4b9ff29 100644
--- a/Grow.c
+++ b/Grow.c
@@ -1749,7 +1749,7 @@ int Grow_reshape(char *devname, int fd, int quiet, char *backup_file,
 			/* do not recync non-existing parity,
 			 * we will drop it anyway
 			 */
-			sysfs_set_str(sra, NULL, "sync_action", "idle");
+			sysfs_set_str(sra, NULL, "sync_action", "frozen");
 			/* go back to raid0, drop parity disk
 			 */
 			sysfs_set_str(sra, NULL, "level", "raid0");