btrfs-progs: remove fs_info parameter from btrfs_create_tree()

The @fs_info parameter can be easily extracted from @trans, and kernel
has already remove the parameter.

Signed-off-by: Qu Wenruo <[email protected]>

Author: adam900710

kernel-shared/disk-io.c

@@ -2369,12 +2369,12 @@ int btrfs_delete_and_free_root(struct btrfs_trans_handle *trans,
 }
 
 struct btrfs_root *btrfs_create_tree(struct btrfs_trans_handle *trans,
-				     struct btrfs_fs_info *fs_info,
 				     struct btrfs_key *key)
 {
-	struct extent_buffer *leaf;
+	struct btrfs_fs_info *fs_info = trans->fs_info;
 	struct btrfs_root *tree_root = fs_info->tree_root;
 	struct btrfs_root *root;
+	struct extent_buffer *leaf;
 	int ret = 0;
 
 	root = kzalloc(sizeof(*root), GFP_KERNEL);

kernel-shared/disk-io.h

@@ -239,7 +239,6 @@ int write_tree_block(struct btrfs_trans_handle *trans,
 		     struct extent_buffer *eb);
 int btrfs_fs_roots_compare_roots(const struct rb_node *node1, const struct rb_node *node2);
 struct btrfs_root *btrfs_create_tree(struct btrfs_trans_handle *trans,
-				     struct btrfs_fs_info *fs_info,
 				     struct btrfs_key *key);
 int btrfs_delete_and_free_root(struct btrfs_trans_handle *trans,
 			       struct btrfs_root *root);

kernel-shared/free-space-tree.c

@@ -1516,7 +1516,7 @@ int btrfs_create_free_space_tree(struct btrfs_fs_info *fs_info)
 	if (IS_ERR(trans))
 		return PTR_ERR(trans);
 
-	free_space_root = btrfs_create_tree(trans, fs_info, &root_key);
+	free_space_root = btrfs_create_tree(trans, &root_key);
 	if (IS_ERR(free_space_root)) {
 		ret = PTR_ERR(free_space_root);
 		goto abort;

mkfs/main.c

@@ -748,7 +748,7 @@ static int create_data_reloc_tree(struct btrfs_trans_handle *trans)
 	char *name = "..";
 	int ret;
 
-	root = btrfs_create_tree(trans, fs_info, &key);
+	root = btrfs_create_tree(trans, &key);
 	if (IS_ERR(root)) {
 		ret = PTR_ERR(root);
 		goto out;
@@ -870,7 +870,7 @@ static int create_uuid_tree(struct btrfs_trans_handle *trans)
 	int ret = 0;
 
 	UASSERT(fs_info->uuid_root == NULL);
-	root = btrfs_create_tree(trans, fs_info, &key);
+	root = btrfs_create_tree(trans, &key);
 	if (IS_ERR(root)) {
 		ret = PTR_ERR(root);
 		goto out;
@@ -900,7 +900,7 @@ static int create_global_root(struct btrfs_trans_handle *trans, u64 objectid,
 	};
 	int ret = 0;
 
-	root = btrfs_create_tree(trans, fs_info, &key);
+	root = btrfs_create_tree(trans, &key);
 	if (IS_ERR(root)) {
 		ret = PTR_ERR(root);
 		goto out;
@@ -1127,7 +1127,7 @@ static int setup_raid_stripe_tree_root(struct btrfs_fs_info *fs_info)
 		return ret;
 	}
 
-	stripe_root = btrfs_create_tree(trans, fs_info, &key);
+	stripe_root = btrfs_create_tree(trans, &key);
 	if (IS_ERR(stripe_root))  {
 		ret = PTR_ERR(stripe_root);
 		btrfs_abort_transaction(trans, ret);