config: Support container=uuid as alternative to container=/dev/name in mdadm.conf

When mdadm.conf is automatically generated, we might not know a
suitable /dev/name.  But we do know the uuid of the container.
So allow that as an option.

Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 2 insertions, 1 deletions

diff --git a/config.c b/config.c
index f08a9f07..9eb8197a 100644
--- a/config.c
+++ b/config.c
@@ -522,7 +522,8 @@ void arrayline(char *line)
 			/* subarray within a container */
 			mis.member = strdup(w+7);
 		} else if (strncasecmp(w, "container=", 10) == 0) {
-			/* the container holding this subarray */
+			/* the container holding this subarray.  Either a device name
+			 * or a uuid */
 			mis.container = strdup(w+10);
 		} else {
 			fprintf(stderr, Name ": unrecognised word on ARRAY line: %s\n",