On Wed, Dec 16, 2020 at 11:18:39AM +0100, Jan Kara wrote: > Protect all superblock modifications (including checksum computation) > with a superblock buffer lock. That way we are sure computed checksum > matches current superblock contents (a mismatch could cause checksum > failures in nojournal mode or if an unjournalled superblock update races > with a journalled one). Also we avoid modifying superblock contents > while it is being written out (which can cause DIF/DIX failures if we > are running in nojournal mode). > > Signed-off-by: Jan Kara <jack@xxxxxxx> Thanks, applied. - Ted