On Fri, Apr 04, 2014 at 08:02:58AM +0000, Kazuya Mio wrote: > When we try to get 2^32-1 block of the file which has the extent > (ee_block=2^32-2, ee_len=1) with FIBMAP ioctl, it causes BUG_ON > in ext4_ext_put_gap_in_cache(). > > To avoid the problem, ext4_map_blocks() needs to check the file logical block > number. ext4_ext_put_gap_in_cache() called via ext4_map_blocks() cannot > handle 2^32-1 because the maximum file logical block number is 2^32-2. > > Note that ext4_ind_map_blocks() returns -EIO when the block number is invalid. > So ext4_map_blocks() should also return the same errno. > > Signed-off-by: Kazuya Mio <k-mio@xxxxxxxxxxxxx> Thanks, applied. - Ted -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
