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From: Amir Goldstein <amir73il@gmail.com>
To: Eryu Guan <eguan@redhat.com>
Cc: Miklos Szeredi <miklos@szeredi.hu>, Xiong Zhou <xzhou@redhat.com>,
	linux-unionfs@vger.kernel.org, fstests@vger.kernel.org
Subject: [PATCH v5 07/10] overlay: rename OVERLAY_LOWER/UPPER/WORK_DIR
Date: Tue, 28 Feb 2017 14:18:34 +0200	[thread overview]
Message-ID: <1488284317-3119-8-git-send-email-amir73il@gmail.com> (raw)
In-Reply-To: <1488284317-3119-1-git-send-email-amir73il@gmail.com>

As preparation step for configuring test/scratch base fs
for overlay tests:

- Rename OVERLAY_LOWER/UPPER/WORK_DIR => OVL_LOWER/UPPER/WORK
  because we want to use OVL_ prefix for all base fs vars

- Prepend "ovl-" prefix to lower/upper/work path values to
  isolate the overlay test dirs when running on a base fs
  that is also used to run non overlay tests

- Make those vars values non-configurable, because lower/upper/work
  directory names are an internal test detail which should
  not concern the user and because we wish to simplify
  and document the overlay tests setup

- Add helper _filter_ovl_dirs and use it to filter output
  of test overlay/023 which matches the constant string "work"

Signed-off-by: Amir Goldstein <amir73il@gmail.com>
---
 common/config         |  8 +++++---
 common/filter         |  7 +++++++
 common/rc             | 19 +++++++++++++------
 tests/overlay/001     |  2 +-
 tests/overlay/002     |  2 +-
 tests/overlay/003     |  2 +-
 tests/overlay/004     |  4 ++--
 tests/overlay/006     | 10 +++++-----
 tests/overlay/008     |  8 ++++----
 tests/overlay/009     |  2 +-
 tests/overlay/010     |  8 ++++----
 tests/overlay/011     |  4 ++--
 tests/overlay/012     |  4 ++--
 tests/overlay/013     |  4 ++--
 tests/overlay/015     |  2 +-
 tests/overlay/016     |  2 +-
 tests/overlay/017     |  2 +-
 tests/overlay/018     |  2 +-
 tests/overlay/019     |  2 +-
 tests/overlay/020     |  2 +-
 tests/overlay/021     |  2 +-
 tests/overlay/022     |  2 +-
 tests/overlay/023     |  4 ++--
 tests/overlay/023.out |  2 +-
 tests/overlay/024     |  2 +-
 tests/overlay/027     |  2 +-
 tests/overlay/028     |  2 +-
 tests/overlay/029     |  4 ++--
 28 files changed, 66 insertions(+), 50 deletions(-)

diff --git a/common/config b/common/config
index c402576..d09cac1 100644
--- a/common/config
+++ b/common/config
@@ -77,9 +77,11 @@ export XFS_MKFS_OPTIONS=${XFS_MKFS_OPTIONS:=-bsize=4096}
 export TIME_FACTOR=${TIME_FACTOR:=1}
 export LOAD_FACTOR=${LOAD_FACTOR:=1}
 export DEBUGFS_MNT=${DEBUGFS_MNT:="/sys/kernel/debug"}
-export OVERLAY_UPPER_DIR=${OVERLAY_UPPER_DIR:="upper"}
-export OVERLAY_LOWER_DIR=${OVERLAY_LOWER_DIR:="lower"}
-export OVERLAY_WORK_DIR=${OVERLAY_WORK_DIR:="work"}
+
+# some constants for overlayfs setup
+export OVL_UPPER="ovl-upper"
+export OVL_LOWER="ovl-lower"
+export OVL_WORK="ovl-work"
 
 export PWD=`pwd`
 #export DEBUG=${DEBUG:=...} # arbitrary CFLAGS really.
diff --git a/common/filter b/common/filter
index 010f080..1ceb346 100644
--- a/common/filter
+++ b/common/filter
@@ -424,5 +424,12 @@ _filter_lostfound()
 	sed -e '/^lost+found$/d'
 }
 
+_filter_ovl_dirs()
+{
+	sed -e "s,$OVL_LOWER,OVL_LOWER,g" \
+	    -e "s,$OVL_UPPER,OVL_UPPER,g" \
+	    -e "s,$OVL_WORK,OVL_WORK,g"
+}
+
 # make sure this script returns success
 /bin/true
diff --git a/common/rc b/common/rc
index fb88ffa..cca046b 100644
--- a/common/rc
+++ b/common/rc
@@ -277,7 +277,7 @@ _common_dev_mount_options()
 
 _overlay_basic_mount_options()
 {
-	echo "-o lowerdir=$1/$OVERLAY_LOWER_DIR,upperdir=$1/$OVERLAY_UPPER_DIR,workdir=$1/$OVERLAY_WORK_DIR"
+	echo "-o lowerdir=$1/$OVL_LOWER,upperdir=$1/$OVL_UPPER,workdir=$1/$OVL_WORK"
 }
 
 _overlay_mount_options()
@@ -336,6 +336,15 @@ _overlay_mount_dirs()
 		    -o workdir=$workdir $*
 }
 
+_overlay_mkdirs()
+{
+	local dir=$1
+
+	mkdir -p $dir/$OVL_UPPER
+	mkdir -p $dir/$OVL_LOWER
+	mkdir -p $dir/$OVL_WORK
+}
+
 # Given a dir, set up 3 subdirectories and mount on the given mnt.
 # The dir is used as the mount device so it can be seen from df or mount
 _overlay_mount()
@@ -346,12 +355,10 @@ _overlay_mount()
 
 	_supports_filetype $dir || _notrun "upper fs needs to support d_type"
 
-	mkdir -p $dir/$OVERLAY_UPPER_DIR
-	mkdir -p $dir/$OVERLAY_LOWER_DIR
-	mkdir -p $dir/$OVERLAY_WORK_DIR
+	_overlay_mkdirs $dir
 
-	_overlay_mount_dirs $dir/$OVERLAY_LOWER_DIR $dir/$OVERLAY_UPPER_DIR \
-			    $dir/$OVERLAY_WORK_DIR $OVERLAY_MOUNT_OPTIONS \
+	_overlay_mount_dirs $dir/$OVL_LOWER $dir/$OVL_UPPER \
+			    $dir/$OVL_WORK $OVERLAY_MOUNT_OPTIONS \
 			    $SELINUX_MOUNT_OPTIONS $* $dir $mnt
 }
 
diff --git a/tests/overlay/001 b/tests/overlay/001
index 7be9ae5..099ddd5 100755
--- a/tests/overlay/001
+++ b/tests/overlay/001
@@ -60,7 +60,7 @@ _scratch_mkfs
 _require_fs_space $SCRATCH_DEV $((4*1024*1024*2 + 8))
 
 # Create test files with different sizes in lower dir
-lowerdir=$SCRATCH_DEV/$OVERLAY_LOWER_DIR
+lowerdir=$SCRATCH_DEV/$OVL_LOWER
 mkdir -p $lowerdir
 touch $lowerdir/zero_size
 $XFS_IO_PROG -fc "pwrite 0 4k" $lowerdir/less_than_4g >>$seqres.full
diff --git a/tests/overlay/002 b/tests/overlay/002
index ec7874e..eaf9a91 100755
--- a/tests/overlay/002
+++ b/tests/overlay/002
@@ -59,7 +59,7 @@ _require_scratch
 _scratch_mkfs
 
 # Create our test file.
-lowerdir=$SCRATCH_DEV/$OVERLAY_LOWER_DIR
+lowerdir=$SCRATCH_DEV/$OVL_LOWER
 mkdir -p $lowerdir
 touch $lowerdir/foobar
 
diff --git a/tests/overlay/003 b/tests/overlay/003
index fbc242a..5e610c8 100755
--- a/tests/overlay/003
+++ b/tests/overlay/003
@@ -60,7 +60,7 @@ _require_scratch
 _scratch_mkfs
 
 # Create test files dirs in lower dir
-lowerdir=${SCRATCH_DEV}/${OVERLAY_LOWER_DIR}
+lowerdir=${SCRATCH_DEV}/${OVL_LOWER}
 mkdir -p $lowerdir
 
 touch ${lowerdir}/test_file
diff --git a/tests/overlay/004 b/tests/overlay/004
index 4075094..8da5170 100755
--- a/tests/overlay/004
+++ b/tests/overlay/004
@@ -53,8 +53,8 @@ _require_user
 _scratch_mkfs
 
 # Create test file in lower dir
-lowerdir=${SCRATCH_DEV}/${OVERLAY_LOWER_DIR}
-upperdir=${SCRATCH_DEV}/${OVERLAY_UPPER_DIR}
+lowerdir=${SCRATCH_DEV}/${OVL_LOWER}
+upperdir=${SCRATCH_DEV}/${OVL_UPPER}
 mkdir -p $lowerdir
 touch ${lowerdir}/attr_file1
 chmod 000 ${lowerdir}/attr_file1
diff --git a/tests/overlay/006 b/tests/overlay/006
index 31f11ef..55fc2dd 100755
--- a/tests/overlay/006
+++ b/tests/overlay/006
@@ -57,15 +57,15 @@ echo "Silence is golden"
 _scratch_mkfs
 
 # Create test file/dir before mount
-mkdir $SCRATCH_DEV/$OVERLAY_LOWER_DIR
-mkdir $SCRATCH_DEV/$OVERLAY_UPPER_DIR
-touch $SCRATCH_DEV/$OVERLAY_LOWER_DIR/lowertestfile
-mkdir $SCRATCH_DEV/$OVERLAY_UPPER_DIR/uppertestdir
+mkdir -p $SCRATCH_DEV/$OVL_LOWER
+mkdir -p $SCRATCH_DEV/$OVL_UPPER
+touch $SCRATCH_DEV/$OVL_LOWER/lowertestfile
+mkdir $SCRATCH_DEV/$OVL_UPPER/uppertestdir
 
 _scratch_mount
 
 # rename lowertestfile to uppertestdir, this triggers copyup and creates
-# whiteout in $OVERLAY_UPPER_DIR
+# whiteout in $OVL_UPPER
 mv $SCRATCH_MNT/lowertestfile $SCRATCH_MNT/uppertestdir
 # the lowertestfile can be removed
 rm $SCRATCH_MNT/uppertestdir/lowertestfile
diff --git a/tests/overlay/008 b/tests/overlay/008
index cb8667c..b81cff8 100755
--- a/tests/overlay/008
+++ b/tests/overlay/008
@@ -56,14 +56,14 @@ _require_user
 _scratch_mkfs
 
 # Create test file on lower dir, and chown to fsgqa user
-lowerdir=$SCRATCH_DEV/$OVERLAY_LOWER_DIR
-mkdir $lowerdir
+lowerdir=$SCRATCH_DEV/$OVL_LOWER
+mkdir -p $lowerdir
 touch $lowerdir/testfile
 chown fsgqa:fsgqa $lowerdir/testfile
 
 # chown upperdir to fsgqa user, so new file/dir can be created by the user
-upperdir=$SCRATCH_DEV/$OVERLAY_UPPER_DIR
-mkdir $upperdir
+upperdir=$SCRATCH_DEV/$OVL_UPPER
+mkdir -p $upperdir
 chown fsgqa:fsgqa $upperdir
 
 _scratch_mount
diff --git a/tests/overlay/009 b/tests/overlay/009
index de94ca4..bdac6b7 100755
--- a/tests/overlay/009
+++ b/tests/overlay/009
@@ -54,7 +54,7 @@ _require_scratch
 _scratch_mkfs
 
 # Create test file in lowerdir
-lowerdir=$SCRATCH_DEV/$OVERLAY_LOWER_DIR
+lowerdir=$SCRATCH_DEV/$OVL_LOWER
 mkdir -p $lowerdir
 touch $lowerdir/testfile
 
diff --git a/tests/overlay/010 b/tests/overlay/010
index a302d74..5882db9 100755
--- a/tests/overlay/010
+++ b/tests/overlay/010
@@ -55,10 +55,10 @@ _scratch_mkfs
 
 # Need two lower dirs in this test, and we mount overlay ourselves,
 # create upper and workdir as well
-lowerdir1=$SCRATCH_DEV/$OVERLAY_LOWER_DIR.1
-lowerdir2=$SCRATCH_DEV/$OVERLAY_LOWER_DIR.2
-upperdir=$SCRATCH_DEV/$OVERLAY_UPPER_DIR
-workdir=$SCRATCH_DEV/$OVERLAY_WORK_DIR
+lowerdir1=$SCRATCH_DEV/$OVL_LOWER.1
+lowerdir2=$SCRATCH_DEV/$OVL_LOWER.2
+upperdir=$SCRATCH_DEV/$OVL_UPPER
+workdir=$SCRATCH_DEV/$OVL_WORK
 mkdir -p $lowerdir1 $lowerdir2 $upperdir $workdir
 
 # One lowerdir contains test dir and test files, the other contains whiteout
diff --git a/tests/overlay/011 b/tests/overlay/011
index 4b697b8..1d6c44a 100755
--- a/tests/overlay/011
+++ b/tests/overlay/011
@@ -58,8 +58,8 @@ _require_attrs
 _scratch_mkfs
 
 # Create test dir on upper and make it opaque by setting proper xattr
-lowerdir=$SCRATCH_DEV/$OVERLAY_LOWER_DIR
-upperdir=$SCRATCH_DEV/$OVERLAY_UPPER_DIR
+lowerdir=$SCRATCH_DEV/$OVL_LOWER
+upperdir=$SCRATCH_DEV/$OVL_UPPER
 mkdir -p $lowerdir/testdir
 mkdir -p $upperdir/testdir
 $SETFATTR_PROG -n "trusted.overlay.opaque" -v "y" $upperdir/testdir
diff --git a/tests/overlay/012 b/tests/overlay/012
index cfe16f2..1c4f7c6 100755
--- a/tests/overlay/012
+++ b/tests/overlay/012
@@ -55,8 +55,8 @@ _require_scratch
 # remove all files from previous runs
 _scratch_mkfs
 
-lowerdir=$SCRATCH_DEV/$OVERLAY_LOWER_DIR
-upperdir=$SCRATCH_DEV/$OVERLAY_UPPER_DIR
+lowerdir=$SCRATCH_DEV/$OVL_LOWER
+upperdir=$SCRATCH_DEV/$OVL_UPPER
 mkdir -p $lowerdir/test
 
 _scratch_mount
diff --git a/tests/overlay/013 b/tests/overlay/013
index e99e10a..536e981 100755
--- a/tests/overlay/013
+++ b/tests/overlay/013
@@ -54,8 +54,8 @@ _require_test_program "t_truncate_self"
 _scratch_mkfs
 
 # copy test program to lower and upper dir
-lowerdir=$SCRATCH_DEV/$OVERLAY_LOWER_DIR
-upperdir=$SCRATCH_DEV/$OVERLAY_UPPER_DIR
+lowerdir=$SCRATCH_DEV/$OVL_LOWER
+upperdir=$SCRATCH_DEV/$OVL_UPPER
 mkdir -p $lowerdir
 mkdir -p $upperdir
 cp $here/src/t_truncate_self $lowerdir/test_lower
diff --git a/tests/overlay/015 b/tests/overlay/015
index c39caed..0e09e0c 100755
--- a/tests/overlay/015
+++ b/tests/overlay/015
@@ -57,7 +57,7 @@ _scratch_mkfs
 umask 022
 
 # Create test dir in lower dir and set sgid bit
-lowerdir=$SCRATCH_DEV/$OVERLAY_LOWER_DIR
+lowerdir=$SCRATCH_DEV/$OVL_LOWER
 mkdir -p $lowerdir/dir
 chown $qa_user:$qa_group $lowerdir/dir
 chmod 2775 $lowerdir/dir
diff --git a/tests/overlay/016 b/tests/overlay/016
index cffcde7..c678ea4 100755
--- a/tests/overlay/016
+++ b/tests/overlay/016
@@ -57,7 +57,7 @@ rm -f $seqres.full
 _scratch_mkfs >>$seqres.full 2>&1
 
 # Create our test files.
-lowerdir=$SCRATCH_DEV/$OVERLAY_LOWER_DIR
+lowerdir=$SCRATCH_DEV/$OVL_LOWER
 mkdir -p $lowerdir
 echo "This is old news" > $lowerdir/foo
 echo "This is old news" > $lowerdir/bar
diff --git a/tests/overlay/017 b/tests/overlay/017
index 5330de2..6b12722 100755
--- a/tests/overlay/017
+++ b/tests/overlay/017
@@ -60,7 +60,7 @@ _scratch_mkfs >>$seqres.full 2>&1
 # Not dealing with hardlinks here, because there is more to test
 # then stable inode number.
 # Hardlinks will get a test of their own.
-lowerdir=$SCRATCH_DEV/$OVERLAY_LOWER_DIR
+lowerdir=$SCRATCH_DEV/$OVL_LOWER
 mkdir -p $lowerdir
 mkdir $lowerdir/dir
 touch $lowerdir/file
diff --git a/tests/overlay/018 b/tests/overlay/018
index df631fc..37bf11c 100755
--- a/tests/overlay/018
+++ b/tests/overlay/018
@@ -55,7 +55,7 @@ rm -f $seqres.full
 _scratch_mkfs >>$seqres.full 2>&1
 
 # Create 2 hardlinked files in lower
-lowerdir=$SCRATCH_DEV/$OVERLAY_LOWER_DIR
+lowerdir=$SCRATCH_DEV/$OVL_LOWER
 mkdir -p $lowerdir
 echo "patient zero" >> $lowerdir/foo
 ln $lowerdir/foo $lowerdir/bar
diff --git a/tests/overlay/019 b/tests/overlay/019
index 41ce63b..9177acb 100755
--- a/tests/overlay/019
+++ b/tests/overlay/019
@@ -51,7 +51,7 @@ _require_scratch
 # Remove all files from previous tests
 _scratch_mkfs
 
-lowerdir=$SCRATCH_DEV/$OVERLAY_LOWER_DIR
+lowerdir=$SCRATCH_DEV/$OVL_LOWER
 mkdir -p $lowerdir
 
 _scratch_mount
diff --git a/tests/overlay/020 b/tests/overlay/020
index 4afd40a..3cd0f05 100755
--- a/tests/overlay/020
+++ b/tests/overlay/020
@@ -55,7 +55,7 @@ _require_scratch
 # Remove all files from previous tests
 _scratch_mkfs
 
-lowerdir=$SCRATCH_DEV/$OVERLAY_LOWER_DIR
+lowerdir=$SCRATCH_DEV/$OVL_LOWER
 mkdir -p $lowerdir/dir
 
 _scratch_mount
diff --git a/tests/overlay/021 b/tests/overlay/021
index c79bb01..c6d68aa 100755
--- a/tests/overlay/021
+++ b/tests/overlay/021
@@ -60,7 +60,7 @@ _scratch_mkfs
 # conservative and reserve space for 16 data copy ups per directory.
 _require_fs_space $SCRATCH_DEV $((16*(16+32+64+128)*1024))
 
-lowerdir=$SCRATCH_DEV/$OVERLAY_LOWER_DIR
+lowerdir=$SCRATCH_DEV/$OVL_LOWER
 mkdir -p $lowerdir
 
 testdir=arena
diff --git a/tests/overlay/022 b/tests/overlay/022
index 817ee63..46034ea 100755
--- a/tests/overlay/022
+++ b/tests/overlay/022
@@ -59,7 +59,7 @@ _require_scratch
 # Remove all files from previous tests
 _scratch_mkfs
 
-upperdir=$SCRATCH_DEV/$OVERLAY_UPPER_DIR
+upperdir=$SCRATCH_DEV/$OVL_UPPER
 mkdir -p $upperdir/upper
 mkdir -p $upperdir/work
 # mount overlay with dirs in upper
diff --git a/tests/overlay/023 b/tests/overlay/023
index ab49e18..c855d16 100755
--- a/tests/overlay/023
+++ b/tests/overlay/023
@@ -63,14 +63,14 @@ _require_scratch
 _scratch_mkfs
 
 # setting acls before mount
-wkdir=$SCRATCH_DEV/$OVERLAY_WORK_DIR
+wkdir=$SCRATCH_DEV/$OVL_WORK
 mkdir -p $wkdir
 setfacl -d -m o::rwx $wkdir
 
 _scratch_mount
 
 # getting acls, ACL set on workdir should be cleaned
-getfacl -p $wkdir/work 2>&1 | _filter_scratch
+getfacl -p $wkdir/work 2>&1 | _filter_scratch | _filter_ovl_dirs
 
 # success, all done
 status=0
diff --git a/tests/overlay/023.out b/tests/overlay/023.out
index a1a3c37..4a243c5 100644
--- a/tests/overlay/023.out
+++ b/tests/overlay/023.out
@@ -1,5 +1,5 @@
 QA output created by 023
-# file: SCRATCH_DEV/work/work
+# file: SCRATCH_DEV/OVL_WORK/work
 # owner: root
 # group: root
 user::---
diff --git a/tests/overlay/024 b/tests/overlay/024
index 2dbef12..25195f7 100755
--- a/tests/overlay/024
+++ b/tests/overlay/024
@@ -61,7 +61,7 @@ _require_scratch
 _scratch_mkfs
 
 # making workdir
-wkdir=$SCRATCH_DEV/$OVERLAY_WORK_DIR
+wkdir=$SCRATCH_DEV/$OVL_WORK
 mkdir -p $wkdir/work/foo
 
 _scratch_mount
diff --git a/tests/overlay/027 b/tests/overlay/027
index 4bb0329..1c77956 100755
--- a/tests/overlay/027
+++ b/tests/overlay/027
@@ -63,7 +63,7 @@ _require_chattr
 _scratch_mkfs
 
 # Preparing immutable file
-upperdir=$SCRATCH_DEV/$OVERLAY_UPPER_DIR
+upperdir=$SCRATCH_DEV/$OVL_UPPER
 mkdir -p $upperdir
 touch $upperdir/foo
 $CHATTR_PROG +i $upperdir/foo
diff --git a/tests/overlay/028 b/tests/overlay/028
index 6045e09..ad610e2 100755
--- a/tests/overlay/028
+++ b/tests/overlay/028
@@ -61,7 +61,7 @@ _require_command "$FLOCK_PROG" flock
 # Remove all files from previous tests
 _scratch_mkfs
 
-lowerdir=$SCRATCH_DEV/$OVERLAY_LOWER_DIR
+lowerdir=$SCRATCH_DEV/$OVL_LOWER
 mkdir -p $lowerdir
 touch $lowerdir/foo
 
diff --git a/tests/overlay/029 b/tests/overlay/029
index 902a84c..8dce6b3 100755
--- a/tests/overlay/029
+++ b/tests/overlay/029
@@ -65,8 +65,8 @@ _require_scratch
 _scratch_mkfs
 
 # Preparing files
-upperdir=$SCRATCH_DEV/$OVERLAY_UPPER_DIR
-lowerdir=$SCRATCH_DEV/$OVERLAY_LOWER_DIR
+upperdir=$SCRATCH_DEV/$OVL_UPPER
+lowerdir=$SCRATCH_DEV/$OVL_LOWER
 mkdir -p $upperdir/up
 echo foo > $upperdir/up/foo
 mkdir -p $lowerdir/low
-- 
2.7.4

  parent reply	other threads:[~2017-02-28 12:20 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-02-28 12:18 [PATCH v5 0/10] fstests: new way to run overlay tests Amir Goldstein
2017-02-28 12:18 ` [PATCH v5 01/10] fstests: sanity check that test partitions are not mounted elsewhere Amir Goldstein
2017-02-28 12:18 ` [PATCH v5 02/10] fstests: use _test_mount() consistently Amir Goldstein
2017-02-28 12:18 ` [PATCH v5 03/10] fstests: canonicalize mount points on every config section Amir Goldstein
2017-02-28 12:18 ` [PATCH v5 04/10] fstests: fix test and scratch filters for overlapping DEV/MNT paths Amir Goldstein
2017-02-28 12:18 ` [PATCH v5 05/10] fstests: allow overlay SCRATCH_DEV to be a base fs mount point Amir Goldstein
2017-02-28 12:18 ` [PATCH v5 06/10] generic/064: access SCRATCH_MNT after _scratch_mount Amir Goldstein
2017-02-28 12:18 ` Amir Goldstein [this message]
2017-02-28 12:18 ` [PATCH v5 08/10] overlay: configure TEST/SCRATCH vars to base fs Amir Goldstein
2017-02-28 12:18 ` [PATCH v5 09/10] overlay: mount/unmount base fs before/after running tests Amir Goldstein
2017-02-28 12:18 ` [PATCH v5 10/10] overlay: use OVL_BASE_SCRATCH_MNT instead of SCRATCH_DEV Amir Goldstein
2017-03-01  3:47 ` [PATCH v5 0/10] fstests: new way to run overlay tests Eryu Guan

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