linux-kernel - Re: [btrfs] 5297199a8b: xfstests.btrfs.220.fail

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Date:   Tue, 9 Mar 2021 10:36:52 +0200
From:   Nikolay Borisov <nborisov@...e.com>
To:     kernel test robot <oliver.sang@...el.com>
Cc:     David Sterba <dsterba@...e.com>,
        LKML <linux-kernel@...r.kernel.org>, lkp@...ts.01.org,
        lkp@...el.com, linux-btrfs@...r.kernel.org
Subject: Re: [btrfs] 5297199a8b: xfstests.btrfs.220.fail



On 9.03.21 г. 10:49 ч., kernel test robot wrote:
> 
> 
> Greeting,
> 
> FYI, we noticed the following commit (built with gcc-9):
> 
> commit: 5297199a8bca12b8b96afcbf2341605efb6005de ("btrfs: remove inode number cache feature")
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
> 
> 
> in testcase: xfstests
> version: xfstests-x86_64-d41dcbd-1_20201218
> with following parameters:
> 
> 	disk: 6HDD
> 	fs: btrfs
> 	test: btrfs-group-22
> 	ucode: 0x28
> 
> test-description: xfstests is a regression test suite for xfs and other files ystems.
> test-url: git://git.kernel.org/pub/scm/fs/xfs/xfstests-dev.git
> 
> 
> on test machine: 8 threads Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz with 8G memory
> 
> caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
> 
> 
> 
> 
> If you fix the issue, kindly add following tag
> Reported-by: kernel test robot <oliver.sang@...el.com>
> 
> 2021-03-09 04:13:26 export TEST_DIR=/fs/sdb1
> 2021-03-09 04:13:26 export TEST_DEV=/dev/sdb1
> 2021-03-09 04:13:26 export FSTYP=btrfs
> 2021-03-09 04:13:26 export SCRATCH_MNT=/fs/scratch
> 2021-03-09 04:13:26 mkdir /fs/scratch -p
> 2021-03-09 04:13:26 export SCRATCH_DEV_POOL="/dev/sdb2 /dev/sdb3 /dev/sdb4 /dev/sdb5 /dev/sdb6"
> 2021-03-09 04:13:26 sed "s:^:btrfs/:" //lkp/benchmarks/xfstests/tests/btrfs-group-22
> 2021-03-09 04:13:26 ./check btrfs/220 btrfs/221 btrfs/222 btrfs/223 btrfs/224 btrfs/225 btrfs/226 btrfs/227
> FSTYP         -- btrfs
> PLATFORM      -- Linux/x86_64 lkp-hsw-d01 5.10.0-rc7-00162-g5297199a8bca #1 SMP Sat Feb 27 21:06:26 CST 2021
> MKFS_OPTIONS  -- /dev/sdb2
> MOUNT_OPTIONS -- /dev/sdb2 /fs/scratch
> 
> btrfs/220	- output mismatch (see /lkp/benchmarks/xfstests/results//btrfs/220.out.bad)
>     --- tests/btrfs/220.out	2021-01-14 07:40:58.000000000 +0000
>     +++ /lkp/benchmarks/xfstests/results//btrfs/220.out.bad	2021-03-09 04:13:32.880794446 +0000
>     @@ -1,2 +1,3 @@
>      QA output created by 220
>     +Unexepcted mount options, checking for 'inode_cache,relatime,space_cache,subvol=/,subvolid=5' in 'rw,relatime,space_cache,subvolid=5,subvol=/' using 'inode_cache'


Given that the commit removes the inode_cache feature that's expected, I
assume you need to adjust your fstests configuration to not use
inode_cache.