89 struct btrfs_device *btrfs_alloc_dummy_device(struct btrfs_fs_info *fs_info)  in btrfs_alloc_dummy_device()  argument
99 	list_add(&dev->dev_list, &fs_info->fs_devices->devices);  in btrfs_alloc_dummy_device()
112 	struct btrfs_fs_info *fs_info = kzalloc(sizeof(struct btrfs_fs_info),  in btrfs_alloc_dummy_fs_info()  local
115 	if (!fs_info)  in btrfs_alloc_dummy_fs_info()
116 		return fs_info;  in btrfs_alloc_dummy_fs_info()
117 	fs_info->fs_devices = kzalloc(sizeof(struct btrfs_fs_devices),  in btrfs_alloc_dummy_fs_info()
119 	if (!fs_info->fs_devices) {  in btrfs_alloc_dummy_fs_info()
120 		kfree(fs_info);  in btrfs_alloc_dummy_fs_info()
123 	INIT_LIST_HEAD(&fs_info->fs_devices->devices);  in btrfs_alloc_dummy_fs_info()
125 	fs_info->super_copy = kzalloc(sizeof(struct btrfs_super_block),  in btrfs_alloc_dummy_fs_info()
127 	if (!fs_info->super_copy) {  in btrfs_alloc_dummy_fs_info()
128 		kfree(fs_info->fs_devices);  in btrfs_alloc_dummy_fs_info()
129 		kfree(fs_info);  in btrfs_alloc_dummy_fs_info()
133 	btrfs_init_fs_info(fs_info);  in btrfs_alloc_dummy_fs_info()
135 	fs_info->nodesize = nodesize;  in btrfs_alloc_dummy_fs_info()
136 	fs_info->sectorsize = sectorsize;  in btrfs_alloc_dummy_fs_info()
137 	set_bit(BTRFS_FS_STATE_DUMMY_FS_INFO, &fs_info->fs_state);  in btrfs_alloc_dummy_fs_info()
139 	test_mnt->mnt_sb->s_fs_info = fs_info;  in btrfs_alloc_dummy_fs_info()
141 	return fs_info;  in btrfs_alloc_dummy_fs_info()
144 void btrfs_free_dummy_fs_info(struct btrfs_fs_info *fs_info)  in btrfs_free_dummy_fs_info()  argument
150 	if (!fs_info)  in btrfs_free_dummy_fs_info()
154 			      &fs_info->fs_state)))  in btrfs_free_dummy_fs_info()
159 	spin_lock(&fs_info->buffer_lock);  in btrfs_free_dummy_fs_info()
160 	radix_tree_for_each_slot(slot, &fs_info->buffer_radix, &iter, 0) {  in btrfs_free_dummy_fs_info()
163 		eb = radix_tree_deref_slot_protected(slot, &fs_info->buffer_lock);  in btrfs_free_dummy_fs_info()
173 		spin_unlock(&fs_info->buffer_lock);  in btrfs_free_dummy_fs_info()
175 		spin_lock(&fs_info->buffer_lock);  in btrfs_free_dummy_fs_info()
177 	spin_unlock(&fs_info->buffer_lock);  in btrfs_free_dummy_fs_info()
179 	btrfs_mapping_tree_free(&fs_info->mapping_tree);  in btrfs_free_dummy_fs_info()
180 	list_for_each_entry_safe(dev, tmp, &fs_info->fs_devices->devices,  in btrfs_free_dummy_fs_info()
184 	btrfs_free_qgroup_config(fs_info);  in btrfs_free_dummy_fs_info()
185 	btrfs_free_fs_roots(fs_info);  in btrfs_free_dummy_fs_info()
186 	kfree(fs_info->super_copy);  in btrfs_free_dummy_fs_info()
187 	btrfs_check_leaked_roots(fs_info);  in btrfs_free_dummy_fs_info()
188 	btrfs_extent_buffer_leak_debug_check(fs_info);  in btrfs_free_dummy_fs_info()
189 	kfree(fs_info->fs_devices);  in btrfs_free_dummy_fs_info()
190 	kfree(fs_info);  in btrfs_free_dummy_fs_info()
204 btrfs_alloc_dummy_block_group(struct btrfs_fs_info *fs_info,  in btrfs_alloc_dummy_block_group()  argument
221 	cache->full_stripe_len = fs_info->sectorsize;  in btrfs_alloc_dummy_block_group()
222 	cache->fs_info = fs_info;  in btrfs_alloc_dummy_block_group()
243 			    struct btrfs_fs_info *fs_info)  in btrfs_init_dummy_trans()  argument
248 	trans->fs_info = fs_info;  in btrfs_init_dummy_trans()