Grow: Report when grow needs metadata update

Report when the array's metadata needs updating instead of just
reporting the generic "kernel too old" message.

Signed-off-by: Andy Smith <andy@strugglers.net>
Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 3 insertions, 1 deletions

diff --git a/Grow.c b/Grow.c
index a9c8589..76bb35a 100644
--- a/Grow.c
+++ b/Grow.c
@@ -2255,7 +2255,9 @@ static int set_new_data_offset(struct mdinfo *sra, struct supertype *st,
 		if (info2.space_before == 0 &&
 		    info2.space_after == 0) {
 			/* Metadata doesn't support data_offset changes */
-			return 1;
+			pr_err("%s: Metadata version doesn't support"
+			       " data_offset changes\n", devname);
+			goto release;
 		}
 		if (before > info2.space_before)
 			before = info2.space_before;