block: new end request handling interface should take unsigned byte counts

No point in passing signed integers as the byte count, they can never
be negative.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

1 files changed, 9 insertions, 6 deletions

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index e18d4192f6e8..cf170391c474 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -655,15 +655,18 @@ static inline void blk_run_address_space(struct address_space *mapping)
  * blk_end_request() for parts of the original function.
  * This prevents code duplication in drivers.
  */
-extern int blk_end_request(struct request *rq, int error, int nr_bytes);
-extern int __blk_end_request(struct request *rq, int error, int nr_bytes);
-extern int blk_end_bidi_request(struct request *rq, int error, int nr_bytes,
-                                int bidi_bytes);
+extern int blk_end_request(struct request *rq, int error,
+                                unsigned int nr_bytes);
+extern int __blk_end_request(struct request *rq, int error,
+                                unsigned int nr_bytes);
+extern int blk_end_bidi_request(struct request *rq, int error,
+                                unsigned int nr_bytes, unsigned int bidi_bytes);
 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 int blk_end_request_callback(struct request *rq, int error,
+                                unsigned int nr_bytes,
+                                int (drv_callback)(struct request *));
 extern void blk_complete_request(struct request *);
 
 /*