From 26e49cfc7e988a76bf1e55cef0d9e438e5489180 Mon Sep 17 00:00:00 2001 From: Kent Overstreet Date: Sun, 18 Jan 2015 16:16:31 +0100 Subject: block: pass iov_iter to the BLOCK_PC mapping functions Make use of a new interface provided by iov_iter, backed by scatter-gather list of iovec, instead of the old interface based on sg_iovec. Also use iov_iter_advance() instead of manual iteration. This commit should contain only literal replacements, without functional changes. Cc: Christoph Hellwig Cc: Jens Axboe Cc: Doug Gilbert Cc: "James E.J. Bottomley" Signed-off-by: Kent Overstreet [dpark: add more description in commit message] Signed-off-by: Dongsu Park [hch: fixed to do a deep clone of the iov_iter, and to properly use the iov_iter direction] Signed-off-by: Christoph Hellwig Reviewed-by: Ming Lei Signed-off-by: Jens Axboe --- include/linux/blkdev.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'include/linux/blkdev.h') diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 13e16401a7ce..bf4ef666d191 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -855,8 +855,8 @@ extern int blk_rq_map_user(struct request_queue *, struct request *, extern int blk_rq_unmap_user(struct bio *); extern int blk_rq_map_kern(struct request_queue *, struct request *, void *, unsigned int, gfp_t); extern int blk_rq_map_user_iov(struct request_queue *, struct request *, - struct rq_map_data *, const struct sg_iovec *, - int, unsigned int, gfp_t); + struct rq_map_data *, const struct iov_iter *, + gfp_t); extern int blk_execute_rq(struct request_queue *, struct gendisk *, struct request *, int); extern void blk_execute_rq_nowait(struct request_queue *, struct gendisk *, -- cgit v1.2.3