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apfstests/tests/generic/319
T
Filipe David Borba Manana 8bab8b31bb xfstests: add specific test for default ACL inheritance
This test is motivated by an issue found by a btrfs user, addressed
and described by the following Linux kernel patch:

https://patchwork.kernel.org/patch/3046931/

The steps to reproduce the issue on btrfs are the following:

$ mkfs.btrfs -f /dev/loop0
$ mount /dev/loop0 /mnt
$ mkdir /mnt/acl
$ setfacl -d --set u::rwx,g::rwx,o::- /mnt/acl
$ getfacl /mnt/acl
user::rwx
group::rwx
other::r-x
default:user::rwx
default:group::rwx
default:other::---

$ mkdir /mnt/acl/dir1
$ getfacl /mnt/acl/dir1
user::rwx
group::rwx
other::---

After unmounting and mounting again the filesystem, getfacl returned the
expected default ACL for the subdirectory:

$ umount /mnt/acl
$ mount /dev/loop0 /mnt
$ getfacl /mnt/acl/dir1
user::rwx
group::rwx
other::---
default:user::rwx
default:group::rwx
default:other::---

This means that the underlying ACL xattr was persisted correctly but
the in memory representation of the inode had (incorrectly) a NULL ACL.

[rjohnston: renumbered test to 319]

Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Rich Johnston <rjohnston@sgi.com>
2013-10-16 16:19:25 -05:00

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#! /bin/bash
# FS QA Test No. generic/319
#
# Regression test to make sure a directory inherits the default ACL from
# its parent directory. This test was motivated by an issue reported by
# a btrfs user. That issue is fixed and described by the following btrfs
# kernel patch:
#
# https://patchwork.kernel.org/patch/3046931/
#
#-----------------------------------------------------------------------
# Copyright (c) 2013 Filipe Manana. 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!
_cleanup()
{
rm -f $tmp.*
}
trap "_cleanup ; exit \$status" 0 1 2 3 15
# get standard environment, filters and checks
. ./common/rc
. ./common/filter
. ./common/attr
# real QA test starts here
_supported_os Linux
_supported_fs generic
_require_acls
_require_scratch
_need_to_be_root
rm -f $seqres.full
_scratch_mkfs > /dev/null 2>&1
_scratch_mount
mkdir $SCRATCH_MNT/testdir
setfacl -d --set u::rwx,g::rwx,o::- $SCRATCH_MNT/testdir
getfacl --absolute-names $SCRATCH_MNT/testdir | _filter_scratch
mkdir $SCRATCH_MNT/testdir/testsubdir
getfacl --absolute-names $SCRATCH_MNT/testdir/testsubdir | _filter_scratch
# success, all done
status=0
exit