diff options
Diffstat (limited to 'include/linux/blkdev.h')
-rw-r--r-- | include/linux/blkdev.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index e1888cc5b8ae..6fe67d1939c2 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h | |||
@@ -216,6 +216,7 @@ struct request { | |||
216 | unsigned int cmd_len; | 216 | unsigned int cmd_len; |
217 | unsigned char cmd[BLK_MAX_CDB]; | 217 | unsigned char cmd[BLK_MAX_CDB]; |
218 | 218 | ||
219 | unsigned int raw_data_len; | ||
219 | unsigned int data_len; | 220 | unsigned int data_len; |
220 | unsigned int sense_len; | 221 | unsigned int sense_len; |
221 | void *data; | 222 | void *data; |
@@ -258,6 +259,7 @@ struct bio_vec; | |||
258 | typedef int (merge_bvec_fn) (struct request_queue *, struct bio *, struct bio_vec *); | 259 | typedef int (merge_bvec_fn) (struct request_queue *, struct bio *, struct bio_vec *); |
259 | typedef void (prepare_flush_fn) (struct request_queue *, struct request *); | 260 | typedef void (prepare_flush_fn) (struct request_queue *, struct request *); |
260 | typedef void (softirq_done_fn)(struct request *); | 261 | typedef void (softirq_done_fn)(struct request *); |
262 | typedef int (dma_drain_needed_fn)(struct request *); | ||
261 | 263 | ||
262 | enum blk_queue_state { | 264 | enum blk_queue_state { |
263 | Queue_down, | 265 | Queue_down, |
@@ -294,6 +296,7 @@ struct request_queue | |||
294 | merge_bvec_fn *merge_bvec_fn; | 296 | merge_bvec_fn *merge_bvec_fn; |
295 | prepare_flush_fn *prepare_flush_fn; | 297 | prepare_flush_fn *prepare_flush_fn; |
296 | softirq_done_fn *softirq_done_fn; | 298 | softirq_done_fn *softirq_done_fn; |
299 | dma_drain_needed_fn *dma_drain_needed; | ||
297 | 300 | ||
298 | /* | 301 | /* |
299 | * Dispatch queue sorting | 302 | * Dispatch queue sorting |
@@ -698,8 +701,9 @@ extern void blk_queue_max_hw_segments(struct request_queue *, unsigned short); | |||
698 | extern void blk_queue_max_segment_size(struct request_queue *, unsigned int); | 701 | extern void blk_queue_max_segment_size(struct request_queue *, unsigned int); |
699 | extern void blk_queue_hardsect_size(struct request_queue *, unsigned short); | 702 | extern void blk_queue_hardsect_size(struct request_queue *, unsigned short); |
700 | extern void blk_queue_stack_limits(struct request_queue *t, struct request_queue *b); | 703 | extern void blk_queue_stack_limits(struct request_queue *t, struct request_queue *b); |
701 | extern int blk_queue_dma_drain(struct request_queue *q, void *buf, | 704 | extern int blk_queue_dma_drain(struct request_queue *q, |
702 | unsigned int size); | 705 | dma_drain_needed_fn *dma_drain_needed, |
706 | void *buf, unsigned int size); | ||
703 | extern void blk_queue_segment_boundary(struct request_queue *, unsigned long); | 707 | extern void blk_queue_segment_boundary(struct request_queue *, unsigned long); |
704 | extern void blk_queue_prep_rq(struct request_queue *, prep_rq_fn *pfn); | 708 | extern void blk_queue_prep_rq(struct request_queue *, prep_rq_fn *pfn); |
705 | extern void blk_queue_merge_bvec(struct request_queue *, merge_bvec_fn *); | 709 | extern void blk_queue_merge_bvec(struct request_queue *, merge_bvec_fn *); |