Greeting,

FYI, we noticed the following commit (built with gcc-9):

commit: 80d2304ba9605206ae67ee7918b9b3e456da0500 ("xfs: stop using q_core limits in the quota code")
https://git.kernel.org/cgit/linux/kernel/git/djwong/xfs-linux.git separate-quota-type


in testcase: xfstests
with following parameters:

	disk: 4HDD
	fs: xfs
	test: xfs-group13

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: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G

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 <rong.a.chen@intel.com>




xfs/299	- output mismatch (see /lkp/benchmarks/xfstests/results//xfs/299.out.bad)
    --- tests/xfs/299.out	2020-06-19 03:26:43.000000000 +0000
    +++ /lkp/benchmarks/xfstests/results//xfs/299.out.bad	2020-07-27 02:37:55.695000000 +0000
    @@ -12,7 +12,7 @@
     
     *** report initial settings
     [ROOT] 0 0 0 00 [--------] 3 0 0 00 [--------] 0 0 0 00 [--------]
    -[NAME] 0 100 500 00 [--------] 1 4 10 00 [--------] 0 0 0 00 [--------]
    +[NAME] 0 100 500 00 [--------] 1 0 0 00 [--------] 0 0 0 00 [--------]
     
     *** push past the soft inode limit
    ...
    (Run 'diff -u /lkp/benchmarks/xfstests/tests/xfs/299.out /lkp/benchmarks/xfstests/results//xfs/299.out.bad'  to see the entire diff)




To reproduce:

        # build kernel
	cd linux
	cp config-5.8.0-rc6-00021-g80d2304ba9605 .config
	make HOSTCC=gcc-9 CC=gcc-9 ARCH=x86_64 olddefconfig prepare modules_prepare bzImage modules
	make HOSTCC=gcc-9 CC=gcc-9 ARCH=x86_64 INSTALL_MOD_PATH=<mod-install-dir> modules_install
	cd <mod-install-dir>
	find lib/ | cpio -o -H newc --quiet | gzip > modules.cgz


        git clone https://github.com/intel/lkp-tests.git
        cd lkp-tests
        bin/lkp qemu -k <bzImage> -m modules.cgz job-script # job-script is attached in this email



Thanks,
Rong Chen