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Re: [PATCH 03/12] generic/80[0-2]: support xfs in addition to btrfs

To: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Subject: Re: [PATCH 03/12] generic/80[0-2]: support xfs in addition to btrfs
From: "Darrick J. Wong" <darrick.wong@xxxxxxxxxx>
Date: Thu, 15 Oct 2015 07:41:46 -0700
Cc: david@xxxxxxxxxxxxx, fstests@xxxxxxxxxxxxxxx, linux-ext4@xxxxxxxxxxxxxxx, Anna.Schumaker@xxxxxxxxxx, linux-btrfs@xxxxxxxxxxxxxxx, xfs@xxxxxxxxxxx
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <20151015091944.GA13683@xxxxxxxxxxxxx>
References: <20151007051257.3260.73072.stgit@xxxxxxxxxxxxxxxx> <20151007051323.3260.60421.stgit@xxxxxxxxxxxxxxxx> <20151015091944.GA13683@xxxxxxxxxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
On Thu, Oct 15, 2015 at 02:19:44AM -0700, Christoph Hellwig wrote:
> > +# this test requires the test fs support reflink...
> > +#
> > +_require_test_reflink()
> > +{
> > +    case $FSTYP in
> > +    xfs)
> > +   xfs_info "${TEST_DIR}" | grep reflink=1 -c -q || _notrun "Reflink not 
> > supported by this filesystem type: $FSTYP"
> > +   ;;
> > +    btrfs)
> > +        true
> > +        ;;
> > +    *)
> > +        _notrun "Reflink not supported by this filesystem type: $FSTYP"
> > +        ;;
> > +    esac
> 
> I don't think that's a good test - we need to check if it's supported by
> trying it.  That'll automatically get us coverage for other file systems
> like xfs.
> 
> Note that dedup should get it's own feature check, as currently hacking
> nfs into this check will also run dedup tests that can't really be
> supported.

Good point.  I'll throw that in while I rework the tests.

--D

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