iov_iter: optimise bvec iov_iter_advance()
iov_iter_advance() is heavily used, but implemented through generic means. For bvecs there is a specifically crafted function for that, so use bvec_iter_advance() instead, it's faster and slimmer. Reviewed-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NPavel Begunkov <asml.silence@gmail.com> Reviewed-by: NMing Lei <ming.lei@redhat.com> Signed-off-by: NJens Axboe <axboe@kernel.dk>
Showing
想要评论请 注册 或 登录