block: add bsg helper library

[thirdparty/linux.git] / include / linux / blkdev.h

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 0e67c45b3bc95ec70c38836cd8801bb4e568f804..847928546076f5e2f18c5be71a4c13c563c43c23 100644 (file)
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -30,6 +30,7 @@ struct request_pm_state;
 struct blk_trace;
 struct request;
 struct sg_io_hdr;
+struct bsg_job;
 
 #define BLKDEV_MIN_RQ  4
 #define BLKDEV_MAX_RQ  128     /* Default maximum */
@@ -209,6 +210,7 @@ typedef int (merge_bvec_fn) (struct request_queue *, struct bvec_merge_data *,
 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,
@@ -375,6 +377,8 @@ struct request_queue {
        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