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| author | Mike Christie <michaelc@cs.wisc.edu> | 2006-12-01 10:40:55 +0100 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2006-12-01 10:40:55 +0100 |
| commit | 0e75f9063f5c55fb0b0b546a7c356f8ec186825e (patch) | |
| tree | db138f641175403546c2147def4b405f3ff453a8 /include/linux/blkdev.h | |
| parent | ad2d7225709b11da47e092634cbdf0591829ae9c (diff) | |
| download | lwn-0e75f9063f5c55fb0b0b546a7c356f8ec186825e.tar.gz lwn-0e75f9063f5c55fb0b0b546a7c356f8ec186825e.zip | |
[PATCH] block: support larger block pc requests
This patch modifies blk_rq_map/unmap_user() and the cdrom and scsi_ioctl.c
users so that it supports requests larger than bio by chaining them together.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'include/linux/blkdev.h')
| -rw-r--r-- | include/linux/blkdev.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 7bfcde2d5578..e1c7286165ff 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -678,10 +678,11 @@ extern void __blk_stop_queue(request_queue_t *q); extern void blk_run_queue(request_queue_t *); extern void blk_start_queueing(request_queue_t *); 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_user(request_queue_t *, struct request *, void __user *, unsigned long); +extern int blk_rq_unmap_user(struct request *); extern int blk_rq_map_kern(request_queue_t *, struct request *, void *, unsigned int, gfp_t); -extern int blk_rq_map_user_iov(request_queue_t *, struct request *, struct sg_iovec *, int); +extern int blk_rq_map_user_iov(request_queue_t *, struct request *, + struct sg_iovec *, int, unsigned int); extern int blk_execute_rq(request_queue_t *, struct gendisk *, struct request *, int); extern void blk_execute_rq_nowait(request_queue_t *, struct gendisk *, |