778 	struct list_head *workspace;  in find_workspace()  local
790 		workspace = idle_ws->next;  in find_workspace()
791 		list_del(workspace);  in find_workspace()
794 		return workspace;  in find_workspace()
810 	workspace = btrfs_compress_op[idx]->alloc_workspace();  in find_workspace()
811 	if (IS_ERR(workspace)) {  in find_workspace()
815 	return workspace;  in find_workspace()
822 static void free_workspace(int type, struct list_head *workspace)  in free_workspace()  argument
833 		list_add(workspace, idle_ws);  in free_workspace()
840 	btrfs_compress_op[idx]->free_workspace(workspace);  in free_workspace()
856 	struct list_head *workspace;  in free_workspaces()  local
861 			workspace = btrfs_comp_ws[i].idle_ws.next;  in free_workspaces()
862 			list_del(workspace);  in free_workspaces()
863 			btrfs_compress_op[i]->free_workspace(workspace);  in free_workspaces()
897 	struct list_head *workspace;  in btrfs_compress_pages()  local
900 	workspace = find_workspace(type);  in btrfs_compress_pages()
901 	if (IS_ERR(workspace))  in btrfs_compress_pages()
902 		return PTR_ERR(workspace);  in btrfs_compress_pages()
904 	ret = btrfs_compress_op[type-1]->compress_pages(workspace, mapping,  in btrfs_compress_pages()
909 	free_workspace(type, workspace);  in btrfs_compress_pages()
933 	struct list_head *workspace;  in btrfs_decompress_biovec()  local
936 	workspace = find_workspace(type);  in btrfs_decompress_biovec()
937 	if (IS_ERR(workspace))  in btrfs_decompress_biovec()
938 		return PTR_ERR(workspace);  in btrfs_decompress_biovec()
940 	ret = btrfs_compress_op[type-1]->decompress_biovec(workspace, pages_in,  in btrfs_decompress_biovec()
943 	free_workspace(type, workspace);  in btrfs_decompress_biovec()
955 	struct list_head *workspace;  in btrfs_decompress()  local
958 	workspace = find_workspace(type);  in btrfs_decompress()
959 	if (IS_ERR(workspace))  in btrfs_decompress()
960 		return PTR_ERR(workspace);  in btrfs_decompress()
962 	ret = btrfs_compress_op[type-1]->decompress(workspace, data_in,  in btrfs_decompress()
966 	free_workspace(type, workspace);  in btrfs_decompress()