From 600335205b8d162891b5ef2e32343f5b8020efd8 Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Fri, 26 Oct 2018 09:53:52 -0600 Subject: ide: convert to blk-mq ide-disk and ide-cd tested as working just fine, ide-tape and ide-floppy haven't. But the latter don't require changes, so they should work without issue. Add helper function to insert a request from a work queue, since we cannot invoke the blk-mq request insertion from IRQ context. Cc: David Miller Reviewed-by: Hannes Reinecke Tested-by: Ming Lei Reviewed-by: Omar Sandoval Signed-off-by: Jens Axboe --- include/linux/ide.h | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) (limited to 'include/linux/ide.h') diff --git a/include/linux/ide.h b/include/linux/ide.h index c74b0321922a..079f8bc0b0f4 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -10,7 +10,7 @@ #include #include #include -#include +#include #include #include #include @@ -529,6 +529,10 @@ struct ide_drive_s { struct request_queue *queue; /* request queue */ + int (*prep_rq)(struct ide_drive_s *, struct request *); + + struct blk_mq_tag_set tag_set; + struct request *rq; /* current request */ void *driver_data; /* extra driver data */ u16 *id; /* identification info */ @@ -612,6 +616,10 @@ struct ide_drive_s { bool sense_rq_armed; struct request *sense_rq; struct request_sense sense_data; + + /* async sense insertion */ + struct work_struct rq_work; + struct list_head rq_list; }; typedef struct ide_drive_s ide_drive_t; @@ -1089,6 +1097,7 @@ extern int ide_pci_clk; int ide_end_rq(ide_drive_t *, struct request *, blk_status_t, unsigned int); void ide_kill_rq(ide_drive_t *, struct request *); +void ide_insert_request_head(ide_drive_t *, struct request *); void __ide_set_handler(ide_drive_t *, ide_handler_t *, unsigned int); void ide_set_handler(ide_drive_t *, ide_handler_t *, unsigned int); @@ -1208,7 +1217,7 @@ extern void ide_stall_queue(ide_drive_t *drive, unsigned long timeout); extern void ide_timer_expiry(struct timer_list *t); extern irqreturn_t ide_intr(int irq, void *dev_id); -extern void do_ide_request(struct request_queue *); +extern blk_status_t ide_queue_rq(struct blk_mq_hw_ctx *, const struct blk_mq_queue_data *); extern void ide_requeue_and_plug(ide_drive_t *drive, struct request *rq); void ide_init_disk(struct gendisk *, ide_drive_t *); -- cgit v1.2.3-59-g8ed1b