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Date: Tue, 27 Jun 2017 13:09:17 -0700
From: "Darrick J. Wong" <darrick.wong@oracle.com>
To: "Dai, XiangX" <xiangx.dai@intel.com>
Cc: linux-btrfs <linux-btrfs@vger.kernel.org>
Subject: Re: generic/015 run failed with btrfs
Message-ID: <20170627200917.GA7736@birch.djwong.org>
References: <F0E6DFCE2B6C644393F2574FF351D65BB2321B@SHSMSX101.ccr.corp.intel.com>
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[cc linux-btrfs, drop linux-xfs cc]
On Tue, Jun 27, 2017 at 07:42:16AM +0000, Dai, XiangX wrote:
> Hi! I test on my host and find this issue, i want to know how can fix it?
> 
> root@localhost ~/xfstests# ./check generic/015
> FSTYP         -- btrfs

                   ^^^^^ please contact the btrfs list, not the xfs list.

--D

> PLATFORM      -- Linux/x86_64 localhost 4.12.0-rc6
> MKFS_OPTIONS  -- /dev/sda6
> MOUNT_OPTIONS -- /dev/sda6 /fs/scratch
> 
> generic/015     - output mismatch (see ~/xfstests/results//generic/015.out.bad)
>     --- tests/generic/015.out    2017-05-31 18:15:23.000000000 +0800
>     +++ ~/xfstests/results//generic/015.out.bad    2017-06-26 14:41:53.265215409 +0800
>     @@ -1,7 +1,778 @@
>     +++ basename ./tests/generic/015
>     ++ seq=015
>     ++ seqres=~/xfstests/results//generic/015
>     ++ echo 'QA output created by 015'
>      QA output created by 015
>     +++ pwd
>     ++ here=~/xfstests
>     ...
>     (Run 'diff -u tests/generic/015.out ~/xfstests/results//generic/015.out.bad'  to see the entire diff)
> Ran: generic/015
> Failures: generic/015
> Failed 1 of 1 tests
> 
> The output is like below:
> QA output created by 015
> fill disk:
>    !!! disk full (expected)
> check free space:
> delete fill:
> check free space:
>    !!! free space has value of 17348 <===
> free space is NOT in range 45591.48 .. 46512.52
> 
> 
> I copy the cmd and write to log:
> 
> root@localhost ~/xfstests# cat log
> _df_dir /fs/scratch | /usr/bin/awk '{ print  }'
> Filesystem     Type  1024-blocks  Used Available Capacity Mounted on
> /dev/sda6      btrfs       51200 46144     17348      73% /fs/scratch   <===
> 17348
> 
> 
> Does it means i need to test on a larger machine?
> 
> Thanks
> Dai Xiang