btrfs: Pass btrfs_delayed_extent_op to alloc_reserved_tree_block

Instead of taking only specific member of this structure, which results
in 2 extra arguments, just take the delayed_extent_op struct and
reference the arguments inside the functions. No functional changes.
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

fs/btrfs/extent-tree.c

@@ -67,7 +67,7 @@ static int alloc_reserved_file_extent(struct btrfs_trans_handle *trans,
 				      struct btrfs_key *ins, int ref_mod);
 static int alloc_reserved_tree_block(struct btrfs_trans_handle *trans,
 				     struct btrfs_delayed_ref_node *node,
-				     u64 flags, struct btrfs_disk_key *key);
+				     struct btrfs_delayed_extent_op *extent_op);
 static int do_chunk_alloc(struct btrfs_trans_handle *trans,
 			  struct btrfs_fs_info *fs_info, u64 flags,
 			  int force);
@@ -2448,9 +2448,7 @@ static int run_delayed_tree_ref(struct btrfs_trans_handle *trans,
 	}
 	if (node->action == BTRFS_ADD_DELAYED_REF && insert_reserved) {
 		BUG_ON(!extent_op || !extent_op->update_flags);
-		ret = alloc_reserved_tree_block(trans, node,
-						extent_op->flags_to_set,
-						&extent_op->key);
+		ret = alloc_reserved_tree_block(trans, node, extent_op);
 	} else if (node->action == BTRFS_ADD_DELAYED_REF) {
 		ret = __btrfs_inc_extent_ref(trans, fs_info, node,
 					     parent, ref_root,
@@ -8132,7 +8130,7 @@ static int alloc_reserved_file_extent(struct btrfs_trans_handle *trans,
 
 static int alloc_reserved_tree_block(struct btrfs_trans_handle *trans,
 				     struct btrfs_delayed_ref_node *node,
-				     u64 flags, struct btrfs_disk_key *key)
+				     struct btrfs_delayed_extent_op *extent_op)
 {
 	struct btrfs_fs_info *fs_info = trans->fs_info;
 	int ret;
@@ -8146,6 +8144,7 @@ static int alloc_reserved_tree_block(struct btrfs_trans_handle *trans,
 	u32 size = sizeof(*extent_item) + sizeof(*iref);
 	u64 num_bytes;
 	u64 parent;
+	u64 flags = extent_op->flags_to_set;
 	bool skinny_metadata = btrfs_fs_incompat(fs_info, SKINNY_METADATA);
 
 	ref = btrfs_delayed_node_to_tree_ref(node);
@@ -8198,7 +8197,7 @@ static int alloc_reserved_tree_block(struct btrfs_trans_handle *trans,
 		iref = (struct btrfs_extent_inline_ref *)(extent_item + 1);
 	} else {
 		block_info = (struct btrfs_tree_block_info *)(extent_item + 1);
-		btrfs_set_tree_block_key(leaf, block_info, key);
+		btrfs_set_tree_block_key(leaf, block_info, &extent_op->key);
 		btrfs_set_tree_block_level(leaf, block_info, ref->level);
 		iref = (struct btrfs_extent_inline_ref *)(block_info + 1);
 	}