On Wed, Jun 13, 2018 at 03:25:58PM -0700, Darrick J. Wong wrote:
> On Wed, Jun 13, 2018 at 03:07:42PM -0600, Ross Zwisler wrote:
> > As of these upstream kernel commits:
> >
> > commit 6e2608dfd934 ("xfs, dax: introduce xfs_dax_aops")
> > commit 5f0663bb4a64 ("ext4, dax: introduce ext4_dax_aops")
> >
> > generic/223 fails on XFS and ext4 because filesystems mounted with DAX no
> > longer support bmap. This is desired behavior and will not be fixed,
> > according to:
> >
> > https://lists.01.org/pipermail/linux-nvdimm/2018-April/015383.html
> >
> > So, just skip over generic/223 when using DAX so we don't throw false
> > positive test failures.
>
> Just because we decided not to support FIBMAP on XFSDAX doesn't mean we
> should let this test bitrot. :)
>
> Just out of curiosity, does the following patch fix g/223 for you?
Yep! This makes generic/223 pass in my setup for both DAX and non-DAX, with
both XFS and ext4.
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