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dax: set did_zero to true when zeroing successfully

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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>
This commit is contained in:
Kaixu Xia 2022-06-30 10:04:18 -07:00 committed by Darrick J. Wong
parent 98eb8d9502
commit f8189d5d5f
1 changed files with 2 additions and 2 deletions
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4
fs/dax.c
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@ -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;
}