1 files changed, 11 insertions, 9 deletions

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index d560831c10a7..2cee9df001f6 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -12,8 +12,9 @@ static int finish_current_insert(struct btrfs_trans_handle *trans, struct
 static int del_pending_extents(struct btrfs_trans_handle *trans, struct
                                btrfs_root *extent_root);
 
-static int inc_block_ref(struct btrfs_trans_handle *trans, struct btrfs_root
-                         *root, u64 blocknr, u64 num_blocks)
+int btrfs_inc_extent_ref(struct btrfs_trans_handle *trans,
+                                struct btrfs_root *root,
+                                u64 blocknr, u64 num_blocks)
 {
         struct btrfs_path *path;
         int ret;
@@ -50,8 +51,9 @@ static int inc_block_ref(struct btrfs_trans_handle *trans, struct btrfs_root
         return 0;
 }
 
-static int lookup_block_ref(struct btrfs_trans_handle *trans, struct btrfs_root
-                            *root, u64 blocknr, u64 num_blocks, u32 *refs)
+static int lookup_extent_ref(struct btrfs_trans_handle *trans,
+                             struct btrfs_root *root, u64 blocknr,
+                             u64 num_blocks, u32 *refs)
 {
         struct btrfs_path *path;
         int ret;
@@ -80,7 +82,7 @@ static int lookup_block_ref(struct btrfs_trans_handle *trans, struct btrfs_root
 int btrfs_inc_root_ref(struct btrfs_trans_handle *trans,
                        struct btrfs_root *root)
 {
-        return inc_block_ref(trans, root, bh_blocknr(root->node), 1);
+        return btrfs_inc_extent_ref(trans, root, bh_blocknr(root->node), 1);
 }
 
 int btrfs_inc_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root,
@@ -107,13 +109,13 @@ int btrfs_inc_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root,
                                 continue;
                         fi = btrfs_item_ptr(buf_leaf, i,
                                             struct btrfs_file_extent_item);
-                        ret = inc_block_ref(trans, root,
+                        ret = btrfs_inc_extent_ref(trans, root,
                                     btrfs_file_extent_disk_blocknr(fi),
                                     btrfs_file_extent_disk_num_blocks(fi));
                         BUG_ON(ret);
                 } else {
                         blocknr = btrfs_node_blockptr(buf_node, i);
-                        ret = inc_block_ref(trans, root, blocknr, 1);
+                        ret = btrfs_inc_extent_ref(trans, root, blocknr, 1);
                         BUG_ON(ret);
                 }
         }
@@ -563,7 +565,7 @@ static int walk_down_tree(struct btrfs_trans_handle *trans, struct btrfs_root
 
         WARN_ON(*level < 0);
         WARN_ON(*level >= BTRFS_MAX_LEVEL);
-        ret = lookup_block_ref(trans, root, bh_blocknr(path->nodes[*level]),
+        ret = lookup_extent_ref(trans, root, bh_blocknr(path->nodes[*level]),
                                1, &refs);
         BUG_ON(ret);
         if (refs > 1)
@@ -587,7 +589,7 @@ static int walk_down_tree(struct btrfs_trans_handle *trans, struct btrfs_root
                 }
                 blocknr = btrfs_node_blockptr(btrfs_buffer_node(cur),
                                               path->slots[*level]);
-                ret = lookup_block_ref(trans, root, blocknr, 1, &refs);
+                ret = lookup_extent_ref(trans, root, blocknr, 1, &refs);
                 BUG_ON(ret);
                 if (refs != 1) {
                         path->slots[*level]++;