Commit f8189d5d authored Jun 30, 2022 by Kaixu Xia Committed by Darrick J. Wong Jun 30, 2022

dax: set did_zero to true when zeroing successfully



It is unnecessary to check and set did_zero value in while() loop
in dax_zero_iter(), we can set did_zero to true only when zeroing
successfully at last.

Signed-off-by: Kaixu Xia <kaixuxia@tencent.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>

parent 98eb8d95

fs/dax.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -1088,10 +1088,10 @@ static s64 dax_zero_iter(struct iomap_iter iter, bool did_zero)
		pos += size;
		length -= size;
		written += size;
		if (did_zero)
		*did_zero = true;
		} while (length > 0);

		if (did_zero)
		*did_zero = true;
		return written;
		}