On Tue, Feb 13, 2018 at 11:48 AM, Eryu Guan <eguan@xxxxxxxxxx> wrote:
> On Tue, Feb 13, 2018 at 11:26:30AM +0200, Amir Goldstein wrote:
>> On Tue, Feb 13, 2018 at 9:08 AM, zhangyi (F) <yi.zhang@xxxxxxxxxx> wrote:
>> > Current overlay's _test_mount functions mount base test filesystem
>> > with TEST_FS_MOUNT_OPTS and mount test overlayfs with MOUNT_OPTIONS
>> > instead of TEST_FS_MOUNT_OPTS. The TEST_FS_MOUNT_OPTS variable
>> > should be used for test overlayfs like MOUNT_OPTIONS use for scratch
>> > overlayfs.
>> >
>> > This patch rename OVL_BASE_MOUNT_OPTIONS to
>> > OVL_BASE_SCRATCH_MOUNT_OPTIONS and introduce an counterpart variable
>> > OVL_BASE_TEST_MOUNT_OPTIONS for test base filesystem, and then use
>> > TEST_FS_MOUNT_OPTS for test overlayfs. We also modify overlay mount
>> > helpers to adapt mount options.
>> >
>> > Signed-off-by: zhangyi (F) <yi.zhang@xxxxxxxxxx>
>> > ---
>> > common/config | 17 +++++++++++++----
>> > common/overlay | 31 +++++++++++++++++++++++--------
>> > tests/overlay/022 | 2 +-
>> > tests/overlay/025 | 2 +-
>> > tests/overlay/029 | 6 +++---
>> > tests/overlay/036 | 20 ++++++++++----------
>> > 6 files changed, 51 insertions(+), 27 deletions(-)
>> >
>> > diff --git a/common/config b/common/config
>> > index 20f0e5f..fd04a16 100644
>> > --- a/common/config
>> > +++ b/common/config
>> > @@ -346,6 +346,9 @@ _test_mount_opts()
>> > glusterfs)
>> > export TEST_FS_MOUNT_OPTS=$GLUSTERFS_MOUNT_OPTIONS
>> > ;;
>> > + overlay)
>> > + export TEST_FS_MOUNT_OPTS=$OVERLAY_MOUNT_OPTIONS
>> > + ;;
>> > ext2|ext3|ext4|ext4dev)
>> > # acls & xattrs aren't turned on by default on older ext$FOO
>> > export TEST_FS_MOUNT_OPTS="-o acl,user_xattr $EXT_MOUNT_OPTIONS"
>> > @@ -546,16 +549,19 @@ _overlay_config_override()
>> > # Store original base fs vars
>> > export OVL_BASE_TEST_DEV="$TEST_DEV"
>> > export OVL_BASE_TEST_DIR="$TEST_DIR"
>> > - # If config does not set MOUNT_OPTIONS, its value may be
>> > - # leftover from previous _overlay_config_override, so
>> > + # If config does not set MOUNT_OPTIONS and TEST_FS_MOUNT_OPTS, its
>> > + # value may be leftover from previous _overlay_config_override, so
>> > # don't use that value for base fs mount
>> > [ "$MOUNT_OPTIONS" != "$OVERLAY_MOUNT_OPTIONS" ] || unset MOUNT_OPTIONS
>> > - export OVL_BASE_MOUNT_OPTIONS="$MOUNT_OPTIONS"
>> > + export OVL_BASE_SCRATCH_MOUNT_OPTIONS="$MOUNT_OPTIONS"
>> > + [ "$TEST_FS_MOUNT_OPTS" != "$OVERLAY_MOUNT_OPTIONS" ] || unset TEST_FS_MOUNT_OPTS
>> > + export OVL_BASE_TEST_MOUNT_OPTIONS="$TEST_FS_MOUNT_OPTS"
>> >
>> > # Set TEST vars to overlay base and mount dirs inside base fs
>> > export TEST_DEV="$OVL_BASE_TEST_DIR"
>> > export TEST_DIR="$OVL_BASE_TEST_DIR/$OVL_MNT"
>> > export MOUNT_OPTIONS="$OVERLAY_MOUNT_OPTIONS"
>> > + export TEST_FS_MOUNT_OPTS="$OVERLAY_MOUNT_OPTIONS"
>> >
>> > [ -b "$SCRATCH_DEV" ] || return 0
>> >
>> > @@ -580,7 +586,10 @@ _overlay_config_restore()
>> > [ -z "$OVL_BASE_TEST_DIR" ] || export TEST_DIR=$OVL_BASE_TEST_DIR
>> > [ -z "$OVL_BASE_SCRATCH_DEV" ] || export SCRATCH_DEV=$OVL_BASE_SCRATCH_DEV
>> > [ -z "$OVL_BASE_SCRATCH_MNT" ] || export SCRATCH_MNT=$OVL_BASE_SCRATCH_MNT
>> > - [ -z "$OVL_BASE_MOUNT_OPTIONS" ] || export MOUNT_OPTIONS=$OVL_BASE_MOUNT_OPTIONS
>> > + [ -z "$OVL_BASE_SCRATCH_MOUNT_OPTIONS" ] || \
>> > + export MOUNT_OPTIONS=$OVL_BASE_SCRATCH_MOUNT_OPTIONS
>> > + [ -z "$OVL_BASE_TEST_MOUNT_OPTIONS" ] || \
>> > + export TEST_FS_MOUNT_OPTS=$OVL_BASE_TEST_MOUNT_OPTIONS
>> > }
>> >
>> > # Parse config section options. This function will parse all the configuration
>> > diff --git a/common/overlay b/common/overlay
>> > index 29f9bf8..058b025 100644
>> > --- a/common/overlay
>> > +++ b/common/overlay
>> > @@ -20,7 +20,19 @@ _overlay_mount_dirs()
>> > shift 3
>> >
>> > $MOUNT_PROG -t overlay -o lowerdir=$lowerdir -o upperdir=$upperdir \
>> > - -o workdir=$workdir `_common_dev_mount_options $*`
>> > + -o workdir=$workdir $*
>> > +}
>> > +
>> > +# Mount overlayfs with optional dirs and mount point
>> > +_overlay_mount_optional_dirs()
>> > +{
>> > + local lowerdir=$1
>> > + local upperdir=$2
>> > + local workdir=$3
>> > + shift 3
>> > +
>> > + _overlay_mount_dirs $lowerdir $upperdir $workdir \
>> > + `_common_dev_mount_options $*`
>> > }
>> >
>>
>> Instead of changing the name of the helper and change all the tests
>> that call it,
>> factor out a "local" helper __overlay_mount_dirs_o() that takes all options
>> from argument and keep the helper name _overlay_mount_dirs(), which the
>> tests use, unchanged.
>
> Agreed, I just don't like the name __overlay_mount_dirs_o that much :)
> How about something like _do_overlay_mount_dirs?
>
Yeh, didn't like it either. __do is fine by me
Amir.
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