struct blk_trace;
struct request;
struct sg_io_hdr;
+struct bsg_job;
#define BLKDEV_MIN_RQ 4
#define BLKDEV_MAX_RQ 128 /* Default maximum */
struct {
unsigned int seq;
struct list_head list;
+ rq_end_io_fn *saved_end_io;
} flush;
};
typedef void (softirq_done_fn)(struct request *);
typedef int (dma_drain_needed_fn)(struct request *);
typedef int (lld_busy_fn) (struct request_queue *q);
+typedef int (bsg_job_fn) (struct bsg_job *);
enum blk_eh_timer_return {
BLK_EH_NOT_HANDLED,
struct mutex sysfs_lock;
#if defined(CONFIG_BLK_DEV_BSG)
+ bsg_job_fn *bsg_job_fn;
+ int bsg_job_size;
struct bsg_class_device bsg_dev;
#endif
struct list_head list; /* requests */
struct list_head cb_list; /* md requires an unplug callback */
unsigned int should_sort; /* list to be sorted before flushing? */
- unsigned int count; /* number of queued requests */
};
#define BLK_MAX_REQUEST_COUNT 16