[PATCH] xfs: in _attrlist_by_handle, copy the cursor back to userspace

[Darrick J. Wong]

On Tue, Aug 02, 2016 at 08:40:35AM -0700, Darrick J. Wong wrote:
> On Tue, Aug 02, 2016 at 05:25:17AM -0700, Christoph Hellwig wrote:
> > On Mon, Aug 01, 2016 at 08:56:51PM -0700, Darrick J. Wong wrote:
> > > When we're iterating inode xattrs by handle, we have to copy the
> > > cursor back to userspace so that a subsequent invocation actually
> > > retrieves subsequent contents.
> > 
> > Testcase?
> 
> Found it while continuing development of xfs_scrub.  I'll send along the
> xfstest patch when I've finished polishing it.  (It was harder than usual since
> xfs_io doesn't /use/ the attr-by-handle interface... nothing does.)

Found some extra time while I run all of today's rmap changes through QA
to push to Dave, so I fixed (I hope) the remaining problems I had and
sent out a testcase.

--D

> 
> --D
> 
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