Brian Foster <bfoster@xxxxxxxxxx> writes: >> > @@ -72,7 +72,7 @@ for del in $sizes_to_check; do >> > lofile=$(losetup -f) >> > losetup $lofile "$testfile" >> > "$MKFS_XFS_PROG" -l size=32m -b size=$blocksize $lofile \ >> > - >/dev/null || echo "mkfs failed!" >> > + -m crc=$_fs_has_crcs>/dev/null || echo "mkfs failed!" >> >> It occurs to me that this may break on systems using a mkfs.xfs that >> does not support the "-m crc" option. Is there a standard way to test >> for such things? >> > > I suppose we could add a $crc_options to the mkfs command line that can > be set appropriately in the if/else. If the test fs has crc support, set > crc_options="-m crc=1". Otherwise, maybe use > '_scratch_mkfs_xfs_supported -m crc=0' (from > common/rc:_require_xfs_mkfs_crc()) in the else condition to either set > crc_options="-m crc=0" or drop the option (crc_options="")? How does one determine whether mkfs.xfs supports the crc= option? That was the question I tried to ask. ;-) > Another option could be just to unconditionally set crc=[0|1] and add a > _require_xfs_crc() to the test, but that would just skip the test on > older systems. I think we can agree that would be a bad approach. :) -Jeff -- To unsubscribe from this list: send the line "unsubscribe fstests" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html