47 static void writeset_free(struct writeset *ws)  in writeset_free()  argument
49 	vfree(ws->bits);  in writeset_free()
50 	ws->bits = NULL;  in writeset_free()
73 static int writeset_alloc(struct writeset *ws, dm_block_t nr_blocks)  in writeset_alloc()  argument
75 	ws->bits = vzalloc(bitset_size(nr_blocks));  in writeset_alloc()
76 	if (!ws->bits) {  in writeset_alloc()
87 static int writeset_init(struct dm_disk_bitset *info, struct writeset *ws,  in writeset_init()  argument
92 	memset(ws->bits, 0, bitset_size(nr_blocks));  in writeset_init()
94 	ws->md.nr_bits = nr_blocks;  in writeset_init()
95 	r = setup_on_disk_bitset(info, ws->md.nr_bits, &ws->md.root);  in writeset_init()
104 static bool writeset_marked(struct writeset *ws, dm_block_t block)  in writeset_marked()  argument
106 	return test_bit(block, ws->bits);  in writeset_marked()
134 				 struct writeset *ws, uint32_t block)  in writeset_test_and_set()  argument
138 	if (!test_bit(block, ws->bits)) {  in writeset_test_and_set()
139 		r = dm_bitset_set_bit(info, ws->md.root, block, &ws->md.root);  in writeset_test_and_set()
958 	struct writeset *ws;  in metadata_current_marked()  local
961 	ws = rcu_dereference(md->current_writeset);  in metadata_current_marked()
962 	r = writeset_marked(ws, block);  in metadata_current_marked()
1250 	struct writeset *ws = era->md->current_writeset;  in process_deferred_bios()  local
1264 		r = writeset_test_and_set(&era->md->bitset_info, ws,  in process_deferred_bios()
1295 				set_bit(get_block(era, bio), ws->bits);  in process_deferred_bios()
1338 static void do_work(struct work_struct *ws)  in do_work()  argument
1340 	struct era *era = container_of(ws, struct era, worker);  in do_work()