Add data_offset arg to ->init_super and use it in super1.c

So if ->data_offset is already set, use that rather than
computing one.

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

1 files changed, 6 insertions, 1 deletions

diff --git a/super0.c b/super0.c
index 983ef853..4e6375f1 100644
--- a/super0.c
+++ b/super0.c
@@ -601,11 +601,16 @@ static int update_super0(struct supertype *st, struct mdinfo *info,
 
 static int init_super0(struct supertype *st, mdu_array_info_t *info,
 		       unsigned long long size, char *ignored_name, char *homehost,
-		       int *uuid)
+		       int *uuid, unsigned long long data_offset)
 {
 	mdp_super_t *sb;
 	int spares;
 
+	if (data_offset != INVALID_SECTORS) {
+		fprintf(stderr, Name ": data-offset not support for 0.90\n");
+		return 0;
+	}
+
 	if (posix_memalign((void**)&sb, 4096,
 			   MD_SB_BYTES + ROUND_UP(sizeof(bitmap_super_t), 4096)) != 0) {
 		pr_err("%s could not allocate superblock\n", __func__);