Commit efa96cc9 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Darrick J. Wong
Browse files

iomap: micro optimize the ki_pos assignment in iomap_file_buffered_write 



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: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarDarrick J. Wong <djwong@kernel.org>
Signed-off-by: default avatarDarrick J. Wong <djwong@kernel.org>
Reviewed-by: default avatarRitesh Harjani (IBM) <ritesh.harjani@gmail.com>
parent 20c64ec8

fs/iomap/buffered-io.c

+1 −1
Original line number Diff line number Diff line
@@ -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);