[PATCH] fs: remove power of 2 and length boundary atomic write restrictions

[kernel test robot]

Hello,

kernel test robot noticed "xfstests.generic.767.fail" on:

commit: b493223bbb16c8b00af5ba371d8bb2ca56506527 ("[PATCH] fs: remove power of 2 and length boundary atomic write restrictions")
url: https://github.com/intel-lab-lkp/linux/commits/Vitaliy-Filippov/fs-remove-power-of-2-and-length-boundary-atomic-write-restrictions/20251224-195553
base: https://git.kernel.org/cgit/linux/kernel/git/vfs/vfs.git vfs.all
patch link: https://lore.kernel.org/all/20251224115312.27036-1-vitalifster@gmail.com/
patch subject: [PATCH] fs: remove power of 2 and length boundary atomic write restrictions

in testcase: xfstests
version: xfstests-x86_64-a668057f-1_20251209
with following parameters:

	disk: 4HDD
	fs: xfs
	test: generic-767


config: x86_64-rhel-9.4-func
compiler: gcc-14
test machine: 4 threads Intel(R) Core(TM) i5-6500 CPU @ 3.20GHz (Skylake) with 32G memory

(please refer to attached dmesg/kmsg for entire log/backtrace)


If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <oliver.sang at intel.com>
| Closes: https://lore.kernel.org/oe-lkp/202512291503.11709b09-lkp@intel.com

2025-12-26 12:13:54 cd /lkp/benchmarks/xfstests
2025-12-26 12:13:54 export TEST_DIR=/fs/sda1
2025-12-26 12:13:54 export TEST_DEV=/dev/sda1
2025-12-26 12:13:54 export FSTYP=xfs
2025-12-26 12:13:54 export SCRATCH_MNT=/fs/scratch
2025-12-26 12:13:54 mkdir /fs/scratch -p
2025-12-26 12:13:54 export SCRATCH_DEV=/dev/sda4
2025-12-26 12:13:55 export SCRATCH_LOGDEV=/dev/sda2
meta-data=/dev/sda1              isize=512    agcount=4, agsize=13107200 blks
         =                       sectsz=4096  attr=2, projid32bit=1
         =                       crc=1        finobt=1, sparse=1, rmapbt=1
         =                       reflink=1    bigtime=1 inobtcount=1 nrext64=1
         =                       exchange=0   metadir=0
data     =                       bsize=4096   blocks=52428800, imaxpct=25
         =                       sunit=0      swidth=0 blks
naming   =version 2              bsize=4096   ascii-ci=0, ftype=1, parent=0
log      =internal log           bsize=4096   blocks=25600, version=2
         =                       sectsz=4096  sunit=1 blks, lazy-count=1
realtime =none                   extsz=4096   blocks=0, rtextents=0
         =                       rgcount=0    rgsize=0 extents
2025-12-26 12:13:55 export MKFS_OPTIONS=-mreflink=1
2025-12-26 12:13:55 echo generic/767
2025-12-26 12:13:55 ./check generic/767
FSTYP         -- xfs (non-debug)
PLATFORM      -- Linux/x86_64 lkp-skl-d03 6.19.0-rc1-00037-gb493223bbb16 #1 SMP PREEMPT_DYNAMIC Fri Dec 26 19:51:19 CST 2025
MKFS_OPTIONS  -- -f -mreflink=1 /dev/sda4
MOUNT_OPTIONS -- /dev/sda4 /fs/scratch

generic/767        - output mismatch (see /lkp/benchmarks/xfstests/results//generic/767.out.bad)
    --- tests/generic/767.out	2025-12-09 15:20:52.000000000 +0000
    +++ /lkp/benchmarks/xfstests/results//generic/767.out.bad	2025-12-26 12:14:08.927883699 +0000
    @@ -6,5 +6,4 @@
     one EOPNOTSUPP for buffered atomic
     pwrite: Operation not supported
     one EINVAL for unaligned directio
    -pwrite: Invalid argument
     Silence is golden
    ...
    (Run 'diff -u /lkp/benchmarks/xfstests/tests/generic/767.out /lkp/benchmarks/xfstests/results//generic/767.out.bad'  to see the entire diff)
Ran: generic/767
Failures: generic/767
Failed 1 of 1 tests




The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20251229/202512291503.11709b09-lkp@intel.com



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