On Wed, Jun 21, 2017 at 11:29:40AM -0700, Darrick J. Wong wrote: > For 1k-block filesystems, the filesystem starts at block 1, not block 0. > This fact is recorded in s_first_data_block, so use that to bump up the > start_fsb before we start querying the filesystem for its space map. > Without this, ext4/026 fails on 1k block ext4 because various functions > (notably ext4_get_group_no_and_offset) don't know what to do with an > fsblock that is "before" the start of the filesystem and return garbage > results (blockgroup 2^32-1, etc.) that confuse fsmap. > > Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> Thanks, applied. - Ted
