From: NeilBrown <neilb@suse.de>
Date: Tue, 21 May 2013 06:33:56 +0000 (+1000)
Subject: Grow: allow --data-offset to be specified for raid4/5/6
X-Git-Tag: mdadm-3.3-rc1~49
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4abcbc21b90f614ec8eeb2da6eafffcb8ed10be7;p=thirdparty%2Fmdadm.git

Grow: allow --data-offset to be specified for raid4/5/6

Previously it was rejected for non-RAID10.

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

diff --git a/Grow.c b/Grow.c
index 3bd0b3ed..32776491 100644
--- a/Grow.c
+++ b/Grow.c
@@ -1540,7 +1540,8 @@ int Grow_reshape(char *devname, int fd,
 			devname);
 		return 1;
 	}
-	if (data_offset != INVALID_SECTORS && array.level != 10) {
+	if (data_offset != INVALID_SECTORS && array.level != 10
+	    && (array.level < 4 || array.level > 6)) {
 		pr_err("--grow --data-offset not yet supported\n");
 		return 1;
 	}