1 files changed, 8 insertions, 1 deletions

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index a33a31e71bbc..a18500d196e1 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -184,6 +184,7 @@ struct request {
         void *sense;
 
         unsigned int timeout;
+        int retries;
 
         /*
          * For Power Management requests
@@ -558,6 +559,7 @@ extern void blk_unregister_queue(struct gendisk *disk);
 extern void register_disk(struct gendisk *dev);
 extern void generic_make_request(struct bio *bio);
 extern void blk_put_request(struct request *);
+extern void __blk_put_request(request_queue_t *, struct request *);
 extern void blk_end_sync_rq(struct request *rq);
 extern void blk_attempt_remerge(request_queue_t *, struct request *);
 extern struct request *blk_get_request(request_queue_t *, int, gfp_t);
@@ -579,6 +581,10 @@ extern int blk_rq_map_kern(request_queue_t *, struct request *, void *, unsigned
 extern int blk_rq_map_user_iov(request_queue_t *, struct request *, struct sg_iovec *, int);
 extern int blk_execute_rq(request_queue_t *, struct gendisk *,
                           struct request *, int);
+extern void blk_execute_rq_nowait(request_queue_t *, struct gendisk *,
+                                  struct request *, int,
+                                  void (*done)(struct request *));
+
 static inline request_queue_t *bdev_get_queue(struct block_device *bdev)
 {
         return bdev->bd_disk->queue;
@@ -696,7 +702,8 @@ extern int blkdev_issue_flush(struct block_device *, sector_t *);
 
 #define MAX_PHYS_SEGMENTS 128
 #define MAX_HW_SEGMENTS 128
-#define MAX_SECTORS 255
+#define SAFE_MAX_SECTORS 255
+#define BLK_DEF_MAX_SECTORS 1024
 
 #define MAX_SEGMENT_SIZE        65536