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| author |   James Bottomley <James.Bottomley@SteelEye.com> | 2005-06-20 14:06:52 +0200 |
|---|---|---|
| committer |   Jens Axboe <axboe@suse.de> | 2005-06-20 14:06:52 +0200 |
| commit | f1970baf6d74e03bd32072ab453f2fc01bc1b8d3 (patch) | |
| tree | 559898cdf83bd0f93b8a72248c6423a6548fb604 /include/linux/blkdev.h | |
| parent | [PATCH] Cleanup blk_rq_map_* interfaces (diff) | |
| download | linux-dev-f1970baf6d74e03bd32072ab453f2fc01bc1b8d3.tar.xz linux-dev-f1970baf6d74e03bd32072ab453f2fc01bc1b8d3.zip | |
[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.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index fc0dce078616..0430ea3e5f2e 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) |