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Diffstat (limited to 'drivers/block/loop.h')
-rw-r--r--drivers/block/loop.h18
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/block/loop.h b/drivers/block/loop.h
index 90df5d6485b6..301c27f8323f 100644
--- a/drivers/block/loop.h
+++ b/drivers/block/loop.h
@@ -11,8 +11,10 @@
#include <linux/bio.h>
#include <linux/blkdev.h>
+#include <linux/blk-mq.h>
#include <linux/spinlock.h>
#include <linux/mutex.h>
+#include <linux/workqueue.h>
#include <uapi/linux/loop.h>
/* Possible states of device */
@@ -52,19 +54,23 @@ struct loop_device {
gfp_t old_gfp_mask;
spinlock_t lo_lock;
- struct bio_list lo_bio_list;
- unsigned int lo_bio_count;
+ struct list_head write_cmd_head;
+ struct work_struct write_work;
+ bool write_started;
int lo_state;
struct mutex lo_ctl_mutex;
- struct task_struct *lo_thread;
- wait_queue_head_t lo_event;
- /* wait queue for incoming requests */
- wait_queue_head_t lo_req_wait;
struct request_queue *lo_queue;
+ struct blk_mq_tag_set tag_set;
struct gendisk *lo_disk;
};
+struct loop_cmd {
+ struct work_struct read_work;
+ struct request *rq;
+ struct list_head list;
+};
+
/* Support for loadable transfer modules */
struct loop_func_table {
int number; /* filter type */