a44ad6835da5 ("ext4: describe fast_commit feature flags") 995a3ed67fc8 ("ext4: add fast_commit feature and handling for extended mount options") 3d392b2676bf ("ext4: add prefetch_block_bitmaps mount option") cfd732377221 ("ext4: add prefetching for block allocation bitmaps") 68cd44920d2c ("Enable ext4 support for per-file/directory dax operations")