diff options
| author | Jens Axboe <axboe@kernel.dk> | 2018-10-26 18:53:52 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-11-07 23:42:31 +0300 |
| commit | 600335205b8d162891b5ef2e32343f5b8020efd8 (patch) | |
| tree | 0f42d3369caf0aa805ef2c48cf4f8aa5bd2e83aa /include/linux/ide.h | |
| parent | d0be12274dad242271fb2055275d10b67a0d7649 (diff) | |
| download | linux-600335205b8d162891b5ef2e32343f5b8020efd8.tar.xz | |
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 <davem@davemloft.net>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Tested-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux/ide.h')
| -rw-r--r-- | include/linux/ide.h | 13 |
1 files changed, 11 insertions, 2 deletions
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 <linux/init.h> #include <linux/ioport.h> #include <linux/ata.h> -#include <linux/blkdev.h> +#include <linux/blk-mq.h> #include <linux/proc_fs.h> #include <linux/interrupt.h> #include <linux/bitops.h> @@ -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 *); |