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authorShiyang Ruan <ruansy.fnst@fujitsu.com>2023-02-02 12:33:47 +0000
committerAndrew Morton <akpm@linux-foundation.org>2023-02-03 17:52:24 -0800
commit388bc034d91d480efa88abc5c8d6e6c8a878b1ab (patch)
treef5caad36fbd06a9356764f6b1c366839084df939 /fs/Makefile
parentaa1e6a932ca652a50a5df458399724a80459f521 (diff)
fsdax: dax_unshare_iter() should return a valid length
The copy_mc_to_kernel() will return 0 if it executed successfully. Then the return value should be set to the length it copied. [akpm@linux-foundation.org: don't mess up `ret', per Matthew] Link: https://lkml.kernel.org/r/1675341227-14-1-git-send-email-ruansy.fnst@fujitsu.com Fixes: d984648e428b ("fsdax,xfs: port unshare to fsdax") Signed-off-by: Shiyang Ruan <ruansy.fnst@fujitsu.com> Cc: Darrick J. Wong <djwong@kernel.org> Cc: Alistair Popple <apopple@nvidia.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Dave Chinner <david@fromorbit.com> Cc: Jason Gunthorpe <jgg@nvidia.com> Cc: John Hubbard <jhubbard@nvidia.com> Cc: Matthew Wilcox <willy@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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