On Thu, Feb 16, 2017 at 11:13 AM, Xiong Zhou <xzhou@xxxxxxxxxx> wrote:
> Locks of file in lower dir should working after it's
> been copied up.
>
> CC: Miklos Szeredi <mszeredi@xxxxxxxxxx>
> Signed-off-by: Xiong Zhou <xzhou@xxxxxxxxxx>
> ---
> tests/overlay/028 | 80 +++++++++++++++++++++++++++++++++++++++++++++++++++
> tests/overlay/028.out | 2 ++
> tests/overlay/group | 1 +
> 3 files changed, 83 insertions(+)
> create mode 100755 tests/overlay/028
> create mode 100644 tests/overlay/028.out
>
> diff --git a/tests/overlay/028 b/tests/overlay/028
> new file mode 100755
> index 0000000..2e0995e
> --- /dev/null
> +++ b/tests/overlay/028
> @@ -0,0 +1,80 @@
> +#! /bin/bash
> +# FS QA Test 028
> +#
> +# When file in lower dir is locked and it's been copied up,
> +# make sure the lock is working in overlayfs.
> +#
> +# Kernel commit below fixed it.
> +# c568d68341be locks: fix file locking on overlayfs
> +#
> +# This reproducer was originally written by
> +# Miklos Szeredi <mszeredi@xxxxxxxxxx>
> +#
> +#-----------------------------------------------------------------------
> +# Copyright (c) 2017 Red Hat Inc. All Rights Reserved.
> +#
> +# This program is free software; you can redistribute it and/or
> +# modify it under the terms of the GNU General Public License as
> +# published by the Free Software Foundation.
> +#
> +# This program is distributed in the hope that it would be useful,
> +# but WITHOUT ANY WARRANTY; without even the implied warranty of
> +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> +# GNU General Public License for more details.
> +#
> +# You should have received a copy of the GNU General Public License
> +# along with this program; if not, write the Free Software Foundation,
> +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
> +#-----------------------------------------------------------------------
> +#
> +
> +seq=`basename $0`
> +seqres=$RESULT_DIR/$seq
> +echo "QA output created by $seq"
> +
> +here=`pwd`
> +tmp=/tmp/$$
> +status=1 # failure is the default!
> +trap "_cleanup; exit \$status" 0 1 2 3 15
> +
> +_cleanup()
> +{
> + cd /
> + rm -f $tmp.*
> +}
> +
> +# get standard environment, filters and checks
> +. ./common/rc
> +. ./common/filter
> +
> +# remove previous $seqres.full before test
> +rm -f $seqres.full
> +
> +# real QA test starts here
> +
> +# Modify as appropriate.
> +_supported_fs overlay
> +_supported_os Linux
> +_require_scratch
> +
> +# Remove all files from previous tests
> +_scratch_mkfs
> +
> +lowerdir=$SCRATCH_DEV/$OVERLAY_LOWER_DIR
> +mkdir -p $lowerdir
> +touch $lowerdir/foo
> +
> +# Mounting overlay
> +_scratch_mount
> +
> +# Testing copyup and flock
> +flock $SCRATCH_MNT/foo sleep 5 &
> +# flock in subshell should fail with no output
> +(sleep 1; echo bar > $SCRATCH_MNT/foo; \
> + flock -n $SCRATCH_MNT/foo echo LOCKED)
> +
I think this echo is meant to say NOTLOCKED ;-)
> +wait
> +echo "Silence is golden"
> +# success, all done
> +status=0
> +exit
> diff --git a/tests/overlay/028.out b/tests/overlay/028.out
> new file mode 100644
> index 0000000..2615f73
> --- /dev/null
> +++ b/tests/overlay/028.out
> @@ -0,0 +1,2 @@
> +QA output created by 028
> +Silence is golden
> diff --git a/tests/overlay/group b/tests/overlay/group
> index 4db6751..cf058fc 100644
> --- a/tests/overlay/group
> +++ b/tests/overlay/group
> @@ -30,3 +30,4 @@
> 025 auto quick attr
> 026 auto attr quick
> 027 auto quick perms
> +028 auto copyup quick
> --
> 1.8.3.1
>
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