776 	struct list_head *workspace;  in find_workspace()  local
788 		workspace = idle_workspace->next;  in find_workspace()
789 		list_del(workspace);  in find_workspace()
792 		return workspace;  in find_workspace()
808 	workspace = btrfs_compress_op[idx]->alloc_workspace();  in find_workspace()
809 	if (IS_ERR(workspace)) {  in find_workspace()
813 	return workspace;  in find_workspace()
820 static void free_workspace(int type, struct list_head *workspace)  in free_workspace()  argument
831 		list_add(workspace, idle_workspace);  in free_workspace()
838 	btrfs_compress_op[idx]->free_workspace(workspace);  in free_workspace()
851 	struct list_head *workspace;  in free_workspaces()  local
856 			workspace = comp_idle_workspace[i].next;  in free_workspaces()
857 			list_del(workspace);  in free_workspaces()
858 			btrfs_compress_op[i]->free_workspace(workspace);  in free_workspaces()
892 	struct list_head *workspace;  in btrfs_compress_pages()  local
895 	workspace = find_workspace(type);  in btrfs_compress_pages()
896 	if (IS_ERR(workspace))  in btrfs_compress_pages()
897 		return PTR_ERR(workspace);  in btrfs_compress_pages()
899 	ret = btrfs_compress_op[type-1]->compress_pages(workspace, mapping,  in btrfs_compress_pages()
904 	free_workspace(type, workspace);  in btrfs_compress_pages()
928 	struct list_head *workspace;  in btrfs_decompress_biovec()  local
931 	workspace = find_workspace(type);  in btrfs_decompress_biovec()
932 	if (IS_ERR(workspace))  in btrfs_decompress_biovec()
933 		return PTR_ERR(workspace);  in btrfs_decompress_biovec()
935 	ret = btrfs_compress_op[type-1]->decompress_biovec(workspace, pages_in,  in btrfs_decompress_biovec()
938 	free_workspace(type, workspace);  in btrfs_decompress_biovec()
950 	struct list_head *workspace;  in btrfs_decompress()  local
953 	workspace = find_workspace(type);  in btrfs_decompress()
954 	if (IS_ERR(workspace))  in btrfs_decompress()
955 		return PTR_ERR(workspace);  in btrfs_decompress()
957 	ret = btrfs_compress_op[type-1]->decompress(workspace, data_in,  in btrfs_decompress()
961 	free_workspace(type, workspace);  in btrfs_decompress()