1 files changed, 21 insertions, 4 deletions

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 8089ca17db9a..0ce8a372d506 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -135,7 +135,7 @@ typedef __u32 __bitwise req_flags_t;
 struct request {
         struct list_head queuelist;
         union {
-                call_single_data_t csd;
+                struct __call_single_data csd;
                 u64 fifo_time;
         };
 
@@ -241,14 +241,24 @@ struct request {
         struct request *next_rq;
 };
 
+static inline bool blk_op_is_scsi(unsigned int op)
+{
+        return op == REQ_OP_SCSI_IN || op == REQ_OP_SCSI_OUT;
+}
+
+static inline bool blk_op_is_private(unsigned int op)
+{
+        return op == REQ_OP_DRV_IN || op == REQ_OP_DRV_OUT;
+}
+
 static inline bool blk_rq_is_scsi(struct request *rq)
 {
-        return req_op(rq) == REQ_OP_SCSI_IN || req_op(rq) == REQ_OP_SCSI_OUT;
+        return blk_op_is_scsi(req_op(rq));
 }
 
 static inline bool blk_rq_is_private(struct request *rq)
 {
-        return req_op(rq) == REQ_OP_DRV_IN || req_op(rq) == REQ_OP_DRV_OUT;
+        return blk_op_is_private(req_op(rq));
 }
 
 static inline bool blk_rq_is_passthrough(struct request *rq)
@@ -256,6 +266,13 @@ static inline bool blk_rq_is_passthrough(struct request *rq)
         return blk_rq_is_scsi(rq) || blk_rq_is_private(rq);
 }
 
+static inline bool bio_is_passthrough(struct bio *bio)
+{
+        unsigned op = bio_op(bio);
+
+        return blk_op_is_scsi(op) || blk_op_is_private(op);
+}
+
 static inline unsigned short req_get_ioprio(struct request *req)
 {
         return req->ioprio;
@@ -948,7 +965,7 @@ extern int blk_rq_prep_clone(struct request *rq, struct request *rq_src,
 extern void blk_rq_unprep_clone(struct request *rq);
 extern blk_status_t blk_insert_cloned_request(struct request_queue *q,
                                      struct request *rq);
-extern int blk_rq_append_bio(struct request *rq, struct bio *bio);
+extern int blk_rq_append_bio(struct request *rq, struct bio **bio);
 extern void blk_delay_queue(struct request_queue *, unsigned long);
 extern void blk_queue_split(struct request_queue *, struct bio **);
 extern void blk_recount_segments(struct request_queue *, struct bio *);