diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/blkdev.h | 21 | ||||
| -rw-r--r-- | include/linux/ide.h | 1 | ||||
| -rw-r--r-- | include/linux/interrupt.h | 2 |
3 files changed, 20 insertions, 4 deletions
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 96b23399168..02a585faa62 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -118,9 +118,9 @@ struct request_list { * try to put the fields that are referenced together in the same cacheline */ struct request { - struct list_head queuelist; /* looking for ->queue? you must _not_ - * access it directly, use - * blkdev_dequeue_request! */ + struct list_head queuelist; + struct list_head donelist; + unsigned long flags; /* see REQ_ bits below */ /* Maintain bio traversal state for part by part I/O submission. @@ -141,6 +141,7 @@ struct request { struct bio *biotail; void *elevator_private; + void *completion_data; unsigned short ioprio; @@ -291,6 +292,7 @@ typedef int (merge_bvec_fn) (request_queue_t *, struct bio *, struct bio_vec *); typedef void (activity_fn) (void *data, int rw); typedef int (issue_flush_fn) (request_queue_t *, struct gendisk *, sector_t *); typedef void (prepare_flush_fn) (request_queue_t *, struct request *); +typedef void (softirq_done_fn)(struct request *); enum blk_queue_state { Queue_down, @@ -332,6 +334,7 @@ struct request_queue activity_fn *activity_fn; issue_flush_fn *issue_flush_fn; prepare_flush_fn *prepare_flush_fn; + softirq_done_fn *softirq_done_fn; /* * Dispatch queue sorting @@ -645,6 +648,17 @@ extern int end_that_request_first(struct request *, int, int); extern int end_that_request_chunk(struct request *, int, int); extern void end_that_request_last(struct request *, int); extern void end_request(struct request *req, int uptodate); +extern void blk_complete_request(struct request *); + +static inline int rq_all_done(struct request *rq, unsigned int nr_bytes) +{ + if (blk_fs_request(rq)) + return (nr_bytes >= (rq->hard_nr_sectors << 9)); + else if (blk_pc_request(rq)) + return nr_bytes >= rq->data_len; + + return 0; +} /* * end_that_request_first/chunk() takes an uptodate argument. we account @@ -693,6 +707,7 @@ extern void blk_queue_segment_boundary(request_queue_t *, unsigned long); extern void blk_queue_prep_rq(request_queue_t *, prep_rq_fn *pfn); extern void blk_queue_merge_bvec(request_queue_t *, merge_bvec_fn *); extern void blk_queue_dma_alignment(request_queue_t *, int); +extern void blk_queue_softirq_done(request_queue_t *, softirq_done_fn *); extern struct backing_dev_info *blk_get_backing_dev_info(struct block_device *bdev); extern int blk_queue_ordered(request_queue_t *, unsigned, prepare_flush_fn *); extern void blk_queue_issue_flush_fn(request_queue_t *, issue_flush_fn *); diff --git a/include/linux/ide.h b/include/linux/ide.h index 4dd6694963c..ef8d0cbb832 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1001,6 +1001,7 @@ extern int noautodma; extern int ide_end_request (ide_drive_t *drive, int uptodate, int nrsecs); extern int __ide_end_request (ide_drive_t *drive, struct request *rq, int uptodate, int nrsecs); +extern void ide_softirq_done(struct request *rq); /* * This is used on exit from the driver to designate the next irq handler diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index e50a95fbeb1..2c08fdc2bdf 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -112,7 +112,7 @@ enum TIMER_SOFTIRQ, NET_TX_SOFTIRQ, NET_RX_SOFTIRQ, - SCSI_SOFTIRQ, + BLOCK_SOFTIRQ, TASKLET_SOFTIRQ }; |