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authorJames Bottomley <James.Bottomley@SteelEye.com>2005-06-20 14:06:52 +0200
committerJens Axboe <axboe@suse.de>2005-06-20 14:06:52 +0200
commitf1970baf6d74e03bd32072ab453f2fc01bc1b8d3 (patch)
tree559898cdf83bd0f93b8a72248c6423a6548fb604 /include/linux/blkdev.h
parentdd1cab95f356f1395278633565f198463cf6bd24 (diff)
[PATCH] Add scatter-gather support for the block layer SG_IO
Signed-off-by: Jens Axboe <axboe@suse.de>
Diffstat (limited to 'include/linux/blkdev.h')
-rw-r--r--include/linux/blkdev.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index fc0dce07861..0430ea3e5f2 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -561,6 +561,7 @@ extern void blk_queue_activity_fn(request_queue_t *, activity_fn *, void *);
extern int blk_rq_map_user(request_queue_t *, struct request *, void __user *, unsigned int);
extern int blk_rq_unmap_user(struct bio *, unsigned int);
extern int blk_rq_map_kern(request_queue_t *, struct request *, void *, unsigned int, unsigned int);
+extern int blk_rq_map_user_iov(request_queue_t *, struct request *, struct sg_iovec *, int);
extern int blk_execute_rq(request_queue_t *, struct gendisk *, struct request *);
static inline request_queue_t *bdev_get_queue(struct block_device *bdev)