Re: [PATCH v6 2/2] generic: test mmap io through DAX and non-DAX

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On Fri, Feb 17, 2017 at 02:46:24PM +0800, Eryu Guan wrote:
> On Wed, Feb 08, 2017 at 12:11:18PM +0800, Xiong Zhou wrote:
> > Mount TEST_DEV as non-DAX, SCRATCH_DEV as DAX, then
> > do some IO between them. In this case we use mmap
> > and dio/buffered IO read/write test programme.
> > 
> > Signed-off-by: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx>
> > Signed-off-by: Xiong Zhou <xzhou@xxxxxxxxxx>
> > ---
> >  tests/generic/407     | 152 ++++++++++++++++++++++++++++++++++++++++++++++++++
> >  tests/generic/407.out |   2 +
> >  tests/generic/group   |   1 +
> >  3 files changed, 155 insertions(+)
> >  create mode 100755 tests/generic/407
> >  create mode 100644 tests/generic/407.out
> > 
> > diff --git a/tests/generic/407 b/tests/generic/407
> > new file mode 100755
> > index 0000000..b5b2ce4
> > --- /dev/null
> > +++ b/tests/generic/407
> > @@ -0,0 +1,152 @@
> > +#! /bin/bash
> > +# FS QA Test 407
> > +#
> > +# mmap direct/buffered io between DAX and non-DAX mountpoints.
> [snip]
> > +
> > +# make fs 2Mb aligned for PMD fault testing
> > +if [[ $FSTYP =~ ext ]] ; then
> > +	_scratch_mkfs "-E stride=512,stripe_width=1" \
> > +		> /dev/null 2>&1
> > +elif [[ $FSTYP =~ xfs ]] ; then
> > +	_scratch_mkfs "-d su=2m,sw=1" > /dev/null 2>&1
> > +fi
> 
> If FSTYP isn't extN nor xfs, then scratch device is not mkfs'ed, I think
> you're missing a default "else" here, which calls _scratch_mkfs without
> any options.
> 
> If you're OK with this update, I can fix it at commit time.

Okay, Thank you!

> 
> Thanks,
> Eryu
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