On 4/25/12 5:52 AM, Tom Marek wrote:
> There were two reasons why test 273 was failing. Firstrly, when running on
> ext4 fs it was removing everything from SCRATCH_MNT directory at the beginning
> of tests including the lost+found directory. This caused error while checking
> scratch fs after finishing test. Secondly, obtaining of the partition size was
> not counting with with behaviour of df utility which may split the line containg
> informations about one partition when it is too long thus it may have returned
> nothing.
>
> First problem was solved with removing all rm -rf commands and the
> second one was fixed with alternative awk script which is able to deal with
> any line splitting possible. Also 'umount $SCRATCH_DEV' was substituted for
> '_scratch_unmount'.
>
> Signed-off-by: Tom Marek <tmarek@xxxxxxxxxx>
> ---
> 273 | 8 +++-----
> 1 files changed, 3 insertions(+), 5 deletions(-)
>
> diff --git a/273 b/273
> index 2965132..8636241 100755
> --- a/273
> +++ b/273
> @@ -35,7 +35,7 @@ trap "_cleanup; exit \$status" 0 1 2 3 15
> _cleanup()
> {
> cd /
> - rm -rf $SCRATCH_MNT/* $tmp.*
> + rm -rf $tmp.* $SCRATCH_MNT/origin $SCRATCH_MNT/sub*
Why remove anything at all from $SCRATCH_MNT? It'll get re-mkfs'd next time it's used anyway.
Other than that, patch seems fine.
> _scratch_unmount
> }
>
> @@ -68,7 +68,7 @@ _file_create()
>
> cd $SCRATCH_MNT/origin
>
> - _disksize=`df --block-size=1 | grep $SCRATCH_DEV | awk '{print $2}'`
> + _disksize=`df --block-size=1 $SCRATCH_DEV | awk -v sd=$SCRATCH_DEV 'BEGIN{c=0}{for(i=1;i<=NF;++i){a[c]=$i;++c}}END{for(entry in a){if(a[entry] ~ sd){print a[entry + 3]; break}}}'`
> _disksize=$(($_disksize / 3))
> _num=$(($_disksize / $count / $threads / 4096))
> _count=$count
> @@ -106,8 +106,6 @@ _do_workload()
> _pids=""
> _pid=1
>
> - rm -rf $SCRATCH_MNT/*
> -
> _threads_set
> _file_create
>
> @@ -134,7 +132,7 @@ echo "------------------------------"
>
> rm -f $seq.full
>
> -umount $SCRATCH_DEV 2>/dev/null
> +_scratch_unmount 2>/dev/null
> _scratch_mkfs_sized $((2 * 1024 * 1024 * 1024)) >>$seq.full 2>&1
> _scratch_mount
>
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