blk_end_request: add callback feature (take 4)

[mirror_ubuntu-bionic-kernel.git] / include / linux / blkdev.h

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index aa2341df7932f9ab673857f43f3ebe4b3e64c4f7..63fe7542b3fa686ca6d81a8f11925e025b08e8a3 100644 (file)
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -734,6 +734,8 @@ extern void end_that_request_last(struct request *, int);
 extern void end_request(struct request *, int);
 extern void end_queued_request(struct request *, int);
 extern void end_dequeued_request(struct request *, int);
+extern int blk_end_request_callback(struct request *rq, int error, int nr_bytes,
+                                   int (drv_callback)(struct request *));
 extern void blk_complete_request(struct request *);
 
 /*