On Thu, Sep 21, 2023 at 09:43:47PM +0800, Yongcheng Yang wrote: > Add a new test to ckeck file move (rename) operation among > different mount points which are mounting to a same export. > > This should be a simple test but it recently unveils an ancient > nfsd bug. Thus let's make it to be a regresstion check. > > Signed-off-by: Yongcheng Yang <yoyang@xxxxxxxxxx> > --- > > Hi, > > There is an ancient nfsd problem just pop up and is now resolved by > the upstream commit [1]. Looks like it's a basic and simple test which > is probably appropriate for the fstest IMO. > > This test in nfs will be failed without patch [1]: > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > [root@kvm-07-guest24 xfstests]# ./check -nfs generic/471 > FSTYP -- nfs > PLATFORM -- Linux/x86_64 kvm-07-guest24 5.14.0-abc.el9.x86_64 #1 SMP PREEMPT_DYNAMIC Wed Sep 13 04:59:08 EDT 2023 > MKFS_OPTIONS -- localhost:/export_test2 > MOUNT_OPTIONS -- -o context=system_u:object_r:root_t:s0 localhost:/export_test2 /mnt_scratch > > generic/471 1s ... - output mismatch (see /root/xfstests/results//generic/471.out.bad) > --- tests/generic/471.out 2023-09-21 05:55:28.514673177 -0400 > +++ /root/xfstests/results//generic/471.out.bad 2023-09-21 08:06:16.935695355 -0400 > @@ -1,2 +1,3 @@ > QA output created by 471 > Silence is golden > +mv: '/mnt_test/mountpoint1-471/A/f' and '/mnt_test/mountpoint1-471/B/f' are the same file > ... > (Run 'diff -u /root/xfstests/tests/generic/471.out /root/xfstests/results//generic/471.out.bad' to see the entire diff) > > HINT: You _MAY_ be missing kernel fix: > fdd2630a739819 nfsd: fix change_info in NFSv4 RENAME replies > > Ran: generic/471 > Failures: generic/471 > Failed 1 of 1 tests > > [root@kvm-07-guest24 xfstests]# > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > And it can pass after that patch [1] merged: > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > [root@fsqe-r6515-02 xfstests]# ./check -nfs generic/471 > FSTYP -- nfs > PLATFORM -- Linux/x86_64 fsqe-r6515-02 5.14.0-abcd.el9.x86_64 #1 SMP PREEMPT_DYNAMIC Tue Sep 19 08:10:36 EDT 2023 > MKFS_OPTIONS -- localhost:/export_test1 > MOUNT_OPTIONS -- -o context=system_u:object_r:root_t:s0 localhost:/export_test1 /mnt_scratch > > generic/471 0s > Ran: generic/471 > Passed all 1 tests > > [root@fsqe-r6515-02 xfstests]# > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > > Also I have just checked the xfs and overlayfs but the latter get failed: > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > [root@fsqe-r6515-02 xfstests]# ./check generic/471 > FSTYP -- xfs (non-debug) > PLATFORM -- Linux/x86_64 fsqe-r6515-02 5.14.0-abcd.el9.x86_64 #1 SMP PREEMPT_DYNAMIC Tue Sep 19 08:10:36 EDT 2023 > MKFS_OPTIONS -- -f /dev/loop1 > MOUNT_OPTIONS -- -o context=system_u:object_r:root_t:s0 /dev/loop1 /mnt_scratch > > generic/471 0s ... 1s > Ran: generic/471 > Passed all 1 tests > > [root@fsqe-r6515-02 xfstests]# > [root@fsqe-r6515-02 xfstests]# ./check -overlay generic/471 > FSTYP -- overlay > PLATFORM -- Linux/x86_64 fsqe-r6515-02 5.14.0-abcd.el9.x86_64 #1 SMP PREEMPT_DYNAMIC Tue Sep 19 08:10:36 EDT 2023 > MKFS_OPTIONS -- /mnt_scratch > MOUNT_OPTIONS -- -o context=system_u:object_r:root_t:s0 /mnt_scratch /mnt_scratch/ovl-mnt > > generic/471 0s ... - output mismatch (see /root/xfstests/results//generic/471.out.bad) > --- tests/generic/471.out 2023-09-21 09:02:14.580495256 -0400 > +++ /root/xfstests/results//generic/471.out.bad 2023-09-21 09:02:51.145345830 -0400 > @@ -1,2 +1,3 @@ > QA output created by 471 > Silence is golden > +mv: '/mnt_test/ovl-mnt/mountpoint1-471/A/f' and '/mnt_test/ovl-mnt/mountpoint1-471/B/f' are the same file Does the underlying fs affect this testing result? CC Amir to get his review on this overlay specific failure. > ... > (Run 'diff -u /root/xfstests/tests/generic/471.out /root/xfstests/results//generic/471.out.bad' to see the entire diff) > Ran: generic/471 > Failures: generic/471 > Failed 1 of 1 tests > > [root@fsqe-r6515-02 xfstests]# > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > For now I'm not sure if the overlayfs don't support this operation or > we just need to fix that. > > Thanks, > Yongcheng > > [1] https://lore.kernel.org/linux-nfs/ZPyMyv1nNFV2whKP@xxxxxxxxxxxxxxxxxxxxxx/T/#t > > > tests/generic/471 | 60 +++++++++++++++++++++++++++++++++++++++++++ > tests/generic/471.out | 2 ++ > 2 files changed, 62 insertions(+) > create mode 100755 tests/generic/471 > create mode 100644 tests/generic/471.out > > diff --git a/tests/generic/471 b/tests/generic/471 > new file mode 100755 > index 00000000..ada48129 > --- /dev/null > +++ b/tests/generic/471 > @@ -0,0 +1,60 @@ > +#! /bin/bash > +# SPDX-License-Identifier: GPL-2.0 > +# Copyright (c) 2023 Red Hat, Inc. All Rights Reserved. > +# > +# FS QA Test 471 > +# > +# Mount the same export to different mount points and move (rename) > +# files among those mount points. > +# This simple test recently unveils an ancient nfsd bug that is fixed > +# by fdd2630a739819 ("nfsd: fix change_info in NFSv4 RENAME replies"). > +# > +. ./common/preamble > +_begin_fstest auto quick This test might be good to be in "rename" group too. Others looks good to me. Thanks, Zorro > + > +# Override the default cleanup function. > +_cleanup() > +{ > + $UMOUNT_PROG $testdir1 2>/dev/null > + $UMOUNT_PROG $testdir2 2>/dev/null > + cd / > + rm -r -f $tmp.* > +} > + > +# real QA test starts here > + > +_supported_fs generic > +[ "$FSTYP" = "nfs" ] && \ > + _fixed_by_kernel_commit fdd2630a739819 \ > + "nfsd: fix change_info in NFSv4 RENAME replies" > + > +_require_test > +_require_scratch > + > +echo "Silence is golden" > + > +_scratch_mkfs >> $seqres.full > +testdir1=$TEST_DIR/mountpoint1-$seq > +testdir2=$TEST_DIR/mountpoint2-$seq > +rm -rf $testdir1 $testdir2 > +mkdir -p $testdir1 $testdir2 > + > +# Don't share the data and attribute caches among mount points for NFS. > +# This caching behavior is necessary to reproduce this issue as we're > +# checking the alignment of each mount point's own unique cache. > +[ "$FSTYP" = "nfs" ] && MOUNT_OPTIONS="-o nosharecache" > + > +SCRATCH_MNT=$testdir1 _scratch_mount > +SCRATCH_MNT=$testdir2 _scratch_mount > +rm -rf $testdir1/{A,B} > +mkdir $testdir1/{A,B} > +touch $testdir1/A/f > +mv $testdir1/A/f $testdir1/B/ > +cat $testdir2/B/f > +mv $testdir2/B/f $testdir2/A/ > +cat $testdir1/A/f > +mv $testdir1/A/f $testdir1/B/ > + > +# success, all done > +status=0 > +exit > diff --git a/tests/generic/471.out b/tests/generic/471.out > new file mode 100644 > index 00000000..260f629e > --- /dev/null > +++ b/tests/generic/471.out > @@ -0,0 +1,2 @@ > +QA output created by 471 > +Silence is golden > -- > 2.31.1 >