On Tue, Oct 07, 2014 at 07:20:49PM -0400, Wang Shilong wrote:
> This test add a regression test to make sure btrfs dosen't set
> inode NOCOMPRESS flag when a small write(<=blocksize) happens.
>
> Signed-off-by: Wang Shilong <wangshilong1991@xxxxxxxxx>
...
> +rm -f $seqres.full
> +
> +_scratch_mkfs >> $seqres.full 2>&1
> +_scratch_mount "-o compress=lzo"
> +
> +$XFS_IO_PROG -f -c "pwrite 0 10M" -c "fsync" \
> + $SCRATCH_MNT/data >> $seqres.full 2>&1
> +
> +filefrag $SCRATCH_MNT/data | $AWK_PROG '{print $2}'
We don't want to introduce new external dependencies if we have
internal functions that do the same thing. i.e:
. common/defrag
....
_extent_count $SCRATCH_MNT/data
Will do the same thing without introducing a dependence on filefrag.
Cheers,
Dave.
--
Dave Chinner
david@xxxxxxxxxxxxx
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