[PATCH] btrfs: block-group: fix a doc warning in block-group.c

[Xiaofei Tan]

Fix following warning caused by mismatch bewteen function parameters
and comments.
fs/btrfs/block-group.c:1649: warning: Function parameter or member 'fs_info' not described in 'btrfs_rmap_block'

Signed-off-by: Xiaofei Tan <tanxiaofei@xxxxxxxxxx>
---
 fs/btrfs/block-group.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/btrfs/block-group.c b/fs/btrfs/block-group.c
index ea8aaf36..fea6350 100644
--- a/fs/btrfs/block-group.c
+++ b/fs/btrfs/block-group.c
@@ -1633,6 +1633,7 @@ static void set_avail_alloc_bits(struct btrfs_fs_info *fs_info, u64 flags)
 
 /**
  * btrfs_rmap_block - Map a physical disk address to a list of logical addresses
+ * @fs_info:	   the fs_info for our fs
  * @chunk_start:   logical address of block group
  * @physical:	   physical address to map to logical addresses
  * @logical:	   return array of logical addresses which map to @physical
-- 
2.8.1