[PATCH 2/2] iomap: micro optimize the ki_pos assignment in iomap_file_buffered_write

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We have the new value for ki_pos right at hand in iter.pos, so assign
that instead of recalculating it from ret.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
 fs/iomap/buffered-io.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
index 7cc9f7274883a5..aa8967cca1a31b 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c
@@ -875,7 +875,7 @@ iomap_file_buffered_write(struct kiocb *iocb, struct iov_iter *i,
 	if (unlikely(iter.pos == iocb->ki_pos))
 		return ret;
 	ret = iter.pos - iocb->ki_pos;
-	iocb->ki_pos += ret;
+	iocb->ki_pos = iter.pos;
 	return ret;
 }
 EXPORT_SYMBOL_GPL(iomap_file_buffered_write);
-- 
2.39.2




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