5 files changed, 8 insertions, 16 deletions

diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 39021bf2df9a..1b7e3545a596 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -2298,7 +2298,7 @@ static void reada_for_search(struct btrfs_root *root,
                 if ((search <= target && target - search <= 65536) ||
                     (search > target && search - target <= 65536)) {
                         gen = btrfs_node_ptr_generation(node, nr);
-                        readahead_tree_block(root, search, blocksize, gen);
+                        readahead_tree_block(root, search, blocksize);
                         nread += blocksize;
                 }
                 nscan++;
@@ -2350,9 +2350,9 @@ static noinline void reada_for_balance(struct btrfs_root *root,
         }
 
         if (block1)
-                readahead_tree_block(root, block1, blocksize, 0);
+                readahead_tree_block(root, block1, blocksize);
         if (block2)
-                readahead_tree_block(root, block2, blocksize, 0);
+                readahead_tree_block(root, block2, blocksize);
 }
 
 
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 4780e6623c7b..ff83748d39da 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1062,8 +1062,7 @@ static const struct address_space_operations btree_aops = {
         .set_page_dirty = btree_set_page_dirty,
 };
 
-int readahead_tree_block(struct btrfs_root *root, u64 bytenr, u32 blocksize,
-                         u64 parent_transid)
+int readahead_tree_block(struct btrfs_root *root, u64 bytenr, u32 blocksize)
 {
         struct extent_buffer *buf = NULL;
         struct inode *btree_inode = root->fs_info->btree_inode;
diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h
index 14d06ee1e143..8cd6a53db621 100644
--- a/fs/btrfs/disk-io.h
+++ b/fs/btrfs/disk-io.h
@@ -46,8 +46,7 @@ struct btrfs_fs_devices;
 
 struct extent_buffer *read_tree_block(struct btrfs_root *root, u64 bytenr,
                                       u32 blocksize, u64 parent_transid);
-int readahead_tree_block(struct btrfs_root *root, u64 bytenr, u32 blocksize,
-                         u64 parent_transid);
+int readahead_tree_block(struct btrfs_root *root, u64 bytenr, u32 blocksize);
 int reada_tree_block_flagged(struct btrfs_root *root, u64 bytenr, u32 blocksize,
                          int mirror_num, struct extent_buffer **eb);
 struct extent_buffer *btrfs_find_create_tree_block(struct btrfs_root *root,
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 44d04979f071..058abd088f0f 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -7486,8 +7486,7 @@ static noinline void reada_walk_down(struct btrfs_trans_handle *trans,
                                 continue;
                 }
 reada:
-                ret = readahead_tree_block(root, bytenr, blocksize,
-                                           generation);
+                ret = readahead_tree_block(root, bytenr, blocksize);
                 if (ret)
                         break;
                 nread++;
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index 2d221c46180c..16cb2b4a9620 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -2861,13 +2861,8 @@ static int reada_tree_block(struct reloc_control *rc,
                             struct tree_block *block)
 {
         BUG_ON(block->key_ready);
-        if (block->key.type == BTRFS_METADATA_ITEM_KEY)
-                readahead_tree_block(rc->extent_root, block->bytenr,
-                                     block->key.objectid,
-                                     rc->extent_root->nodesize);
-        else
-                readahead_tree_block(rc->extent_root, block->bytenr,
-                                     block->key.objectid, block->key.offset);
+        readahead_tree_block(rc->extent_root, block->bytenr,
+                        block->key.objectid);
         return 0;
 }