46 static void writeset_free(struct writeset *ws)  in writeset_free()  argument
48 	vfree(ws->bits);  in writeset_free()
71 static int writeset_alloc(struct writeset *ws, dm_block_t nr_blocks)  in writeset_alloc()  argument
73 	ws->md.nr_bits = nr_blocks;  in writeset_alloc()
74 	ws->md.root = INVALID_WRITESET_ROOT;  in writeset_alloc()
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
91 	memset(ws->bits, 0, bitset_size(ws->md.nr_bits));  in writeset_init()
93 	r = setup_on_disk_bitset(info, ws->md.nr_bits, &ws->md.root);  in writeset_init()
102 static bool writeset_marked(struct writeset *ws, dm_block_t block)  in writeset_marked()  argument
104 	return test_bit(block, ws->bits);  in writeset_marked()
132 				 struct writeset *ws, uint32_t block)  in writeset_test_and_set()  argument
136 	if (!test_and_set_bit(block, ws->bits)) {  in writeset_test_and_set()
137 		r = dm_bitset_set_bit(info, ws->md.root, block, &ws->md.root);  in writeset_test_and_set()
936 	struct writeset *ws;  in metadata_current_marked()  local
939 	ws = rcu_dereference(md->current_writeset);  in metadata_current_marked()
940 	r = writeset_marked(ws, block);  in metadata_current_marked()
1309 static void do_work(struct work_struct *ws)  in do_work()  argument
1311 	struct era *era = container_of(ws, struct era, worker);  in do_work()