block: move PM request support to IDE
This removes the request types and hacks from the block code and into the
old IDE driver. There is a small amunt of code duplication due to this,
but it's not too bad.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index c2829ba..2da818a 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -30,7 +30,6 @@
struct request_queue;
struct elevator_queue;
-struct request_pm_state;
struct blk_trace;
struct request;
struct sg_io_hdr;
@@ -75,8 +74,6 @@
enum rq_cmd_type_bits {
REQ_TYPE_FS = 1, /* fs request */
REQ_TYPE_BLOCK_PC, /* scsi command */
- REQ_TYPE_PM_SUSPEND, /* suspend request */
- REQ_TYPE_PM_RESUME, /* resume request */
REQ_TYPE_DRV_PRIV, /* driver defined types from here */
};
@@ -207,19 +204,6 @@
return req->ioprio;
}
-/*
- * State information carried for REQ_TYPE_PM_SUSPEND and REQ_TYPE_PM_RESUME
- * requests. Some step values could eventually be made generic.
- */
-struct request_pm_state
-{
- /* PM state machine step value, currently driver specific */
- int pm_step;
- /* requested PM state value (S1, S2, S3, S4, ...) */
- u32 pm_state;
- void* data; /* for driver use */
-};
-
#include <linux/elevator.h>
struct blk_queue_ctx;
@@ -601,10 +585,6 @@
(((rq)->cmd_flags & REQ_STARTED) && \
((rq)->cmd_type == REQ_TYPE_FS))
-#define blk_pm_request(rq) \
- ((rq)->cmd_type == REQ_TYPE_PM_SUSPEND || \
- (rq)->cmd_type == REQ_TYPE_PM_RESUME)
-
#define blk_rq_cpu_valid(rq) ((rq)->cpu != -1)
#define blk_bidi_rq(rq) ((rq)->next_rq != NULL)
/* rq->queuelist of dequeued request must be list_empty() */
@@ -838,6 +818,7 @@
extern void blk_sync_queue(struct request_queue *q);
extern void __blk_stop_queue(struct request_queue *q);
extern void __blk_run_queue(struct request_queue *q);
+extern void __blk_run_queue_uncond(struct request_queue *q);
extern void blk_run_queue(struct request_queue *);
extern void blk_run_queue_async(struct request_queue *q);
extern int blk_rq_map_user(struct request_queue *, struct request *,