Greeting,

FYI, we noticed xfstests.btrfs.177.fail due to commit (built with gcc-11):

commit: 89f6e14228ff11ba1ea5a71a94dc9a6239882cdf ("btrfs: introduce size class to block group allocator")
https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master

[test failed on linux-next/master c12e2e5b76b2e739ccdf196bee960412b45d5f85]

in testcase: xfstests
version: xfstests-x86_64-fb6575e-1_20230102
with following parameters:

	disk: 6HDD
	fs: btrfs
	test: btrfs-group-17

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 1 sockets Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz (Haswell) 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@intel.com>
| Link: https://lore.kernel.org/oe-lkp/202301171014.9cd63a80-oliver.sang@intel.com

2023-01-16 19:41:59 export TEST_DIR=/fs/sdb1
2023-01-16 19:41:59 export TEST_DEV=/dev/sdb1
2023-01-16 19:41:59 export FSTYP=btrfs
2023-01-16 19:41:59 export SCRATCH_MNT=/fs/scratch
2023-01-16 19:41:59 mkdir /fs/scratch -p
2023-01-16 19:41:59 export SCRATCH_DEV_POOL="/dev/sdb2 /dev/sdb3 /dev/sdb4 /dev/sdb5 /dev/sdb6"
2023-01-16 19:41:59 sed "s:^:btrfs/:" //lkp/benchmarks/xfstests/tests/btrfs-group-17
2023-01-16 19:41:59 ./check btrfs/170 btrfs/171 btrfs/173 btrfs/174 btrfs/175 btrfs/176 btrfs/177 btrfs/178 btrfs/179
FSTYP         -- btrfs
PLATFORM      -- Linux/x86_64 lkp-hsw-d01 6.2.0-rc3-00041-g89f6e14228ff #1 SMP Tue Jan 17 00:00:41 CST 2023
MKFS_OPTIONS  -- /dev/sdb2
MOUNT_OPTIONS -- /dev/sdb2 /fs/scratch

btrfs/170        2s
btrfs/171        1s
btrfs/173        2s
btrfs/174        2s
btrfs/175        15s
btrfs/176        6s
btrfs/177       _check_btrfs_filesystem: filesystem on /dev/sdb2 is inconsistent
(see /lkp/benchmarks/xfstests/results//btrfs/177.full for details)

btrfs/178        3s
btrfs/179        131s
Ran: btrfs/170 btrfs/171 btrfs/173 btrfs/174 btrfs/175 btrfs/176 btrfs/177 btrfs/178 btrfs/179
Failures: btrfs/177
Failed 1 of 9 tests




To reproduce:

        git clone https://github.com/intel/lkp-tests.git
        cd lkp-tests
        sudo bin/lkp install job.yaml           # job file is attached in this email
        bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run
        sudo bin/lkp run generated-yaml-file

        # if come across any failure that blocks the test,
        # please remove ~/.lkp and /lkp dir to run from a clean state.



-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests