From: NeilBrown There was another case where sb_size wasn't being set, so instead do the sensible thing and set if when filling in the content of a superblock. That ensures that whenever we write a superblock, the sb_size MUST be set. Signed-off-by: Neil Brown Signed-off-by: Andrew Morton --- drivers/md/md.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff -puN drivers/md/md.c~md-really-get-sb_size-setting-right-in-all-cases drivers/md/md.c --- devel/drivers/md/md.c~md-really-get-sb_size-setting-right-in-all-cases 2005-09-06 17:10:27.000000000 -0700 +++ devel-akpm/drivers/md/md.c 2005-09-06 17:10:27.000000000 -0700 @@ -712,6 +712,8 @@ static void super_90_sync(mddev_t *mddev int i; int active=0, working=0,failed=0,spare=0,nr_disks=0; + rdev->sb_size = MD_SB_BYTES; + sb = (mdp_super_t*)page_address(rdev->sb_page); memset(sb, 0, sizeof(*sb)); @@ -2303,8 +2305,6 @@ static int add_new_disk(mddev_t * mddev, else rdev->in_sync = 0; - rdev->sb_size = MD_SB_BYTES; - if (info->state & (1<flags); _