diff --git a/Documentation/DocBook/kernel-api.tmpl b/Documentation/DocBook/kernel-api.tmpl
index f31601e8bd89..dc0f30c3e571 100644
--- a/Documentation/DocBook/kernel-api.tmpl
+++ b/Documentation/DocBook/kernel-api.tmpl
@@ -361,12 +361,14 @@ X!Edrivers/pnp/system.c
   <chapter id="blkdev">
      <title>Block Devices</title>
 !Eblock/blk-core.c
+!Iblock/blk-core.c
 !Eblock/blk-map.c
 !Iblock/blk-sysfs.c
 !Eblock/blk-settings.c
 !Eblock/blk-exec.c
 !Eblock/blk-barrier.c
 !Eblock/blk-tag.c
+!Iblock/blk-tag.c
   </chapter>
 
   <chapter id="chrdev">
diff --git a/block/blk-core.c b/block/blk-core.c
index 775c8516abf5..2d7e3a2f56c4 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1768,6 +1768,7 @@ static inline void __end_request(struct request *rq, int uptodate,
 
 /**
  * blk_rq_bytes - Returns bytes left to complete in the entire request
+ * @rq: the request being processed
  **/
 unsigned int blk_rq_bytes(struct request *rq)
 {
@@ -1780,6 +1781,7 @@ EXPORT_SYMBOL_GPL(blk_rq_bytes);
 
 /**
  * blk_rq_cur_bytes - Returns bytes left to complete in the current segment
+ * @rq: the request being processed
  **/
 unsigned int blk_rq_cur_bytes(struct request *rq)
 {
diff --git a/block/blk-settings.c b/block/blk-settings.c
index 9a8ffdd0ce3d..da923fed1f2c 100644
--- a/block/blk-settings.c
+++ b/block/blk-settings.c
@@ -294,7 +294,6 @@ EXPORT_SYMBOL(blk_queue_stack_limits);
 
 /**
  * blk_queue_dma_drain - Set up a drain buffer for excess dma.
- *
  * @q:  the request queue for the device
  * @dma_drain_needed: fn which returns non-zero if drain is necessary
  * @buf:	physically contiguous buffer