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-rw-r--r--super1.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/super1.c b/super1.c
index e8f59c6..457e2d6 100644
--- a/super1.c
+++ b/super1.c
@@ -643,8 +643,9 @@ static int update_super1(struct supertype *st, struct mdinfo *info,
char *devname, int verbose,
int uuid_set, char *homehost)
{
- /* NOTE: for 'assemble' and 'force' we need to return non-zero if any change was made.
- * For others, the return value is ignored.
+ /* NOTE: for 'assemble' and 'force' we need to return non-zero
+ * if any change was made. For others, the return value is
+ * ignored.
*/
int rv = 0;
struct mdp_superblock_1 *sb = st->sb;
@@ -755,6 +756,8 @@ static int update_super1(struct supertype *st, struct mdinfo *info,
bm = (struct bitmap_super_s*)(st->sb+1024);
memcpy(bm->uuid, sb->set_uuid, 16);
}
+ } else if (strcmp(update, "no-bitmap") == 0) {
+ sb->feature_map &= ~__cpu_to_le32(MD_FEATURE_BITMAP_OFFSET);
}
if (strcmp(update, "homehost") == 0 &&
homehost) {