Re: [xfstests PATCH v5 2/5] overlay: hook filesystem check helper

[Eryu Guan <guaneryu@gmail.com>]

On Thu, Mar 01, 2018 at 03:03:55PM +0200, Amir Goldstein wrote:
> On Thu, Mar 1, 2018 at 2:13 PM, zhangyi (F) <yi.zhang@huawei.com> wrote:
> > Hook filesystem check helper to _check_test_fs and _check_scratch_fs
> > for checking consistency of underlying dirs of overlay filesystem.
> > These helpers works only if fsck.overlay exists.
> >
> > This patch introduce OVERLAY_FSCK_OPTIONS use for check overlayfs like
> > OVERLAY_MOUNT_OPTIONS, and also introduce a mount point check helper in
> > common/rc to detect a dir is a mount point or not.
> >
> > [ _check_test_fs/_check_scratch_fs part picked from Amir's patch, thanks ]
> >
> > Signed-off-by: zhangyi (F) <yi.zhang@huawei.com>
> > ---
> >  README.overlay | 10 ++++--
> >  common/config  |  4 +++
> >  common/overlay | 99 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> >  common/rc      | 18 +++++++++--
> >  4 files changed, 127 insertions(+), 4 deletions(-)
> >
> > diff --git a/README.overlay b/README.overlay
> > index dfb8234..3cbefab 100644
> > --- a/README.overlay
> > +++ b/README.overlay
> > @@ -22,6 +22,10 @@ the base fs should be pre-formatted before starting the -overlay run.
> >  An easy way to accomplish this is by running './check <some test>' once,
> >  before running './check -overlay'.
> >
> > +'./check -overlay' support check overlay test and scratch dirs,
> > +OVERLAY_FSCK_OPTIONS should be set instead of FSCK_OPTIONS if fsck
> > +options need to given directly.
> > +
> >  Because of the lack of mkfs support, multi-section config files are only
> >  partly supported with './check -overlay'. Only multi-section files that
> >  do not change FSTYP and MKFS_OPTIONS can be safely used with -overlay.
> > @@ -40,7 +44,9 @@ run overlay tests on the same base fs, but with different mount options:
> >   MOUNT_OPTIONS="-o pquota"
> >   TEST_FS_MOUNT_OPTS="-o noatime"
> >   OVERLAY_MOUNT_OPTIONS="-o redirect_dir=off"
> > + OVERLAY_FSCK_OPTIONS="-n redirect_dir=off"
> 
> typo for the phony options. I believe it is going to be:  "-n -o
> redirect_dir=off"

I can fix it on commit. Thanks for review!

Eryu