23 	struct cache_set *c = dc->disk.c;  in __update_writeback_rate()
33 	int64_t dirty = bcache_dev_sectors_dirty(&dc->disk);  in __update_writeback_rate()
34 	int64_t derivative = dirty - dc->disk.sectors_dirty_last;  in __update_writeback_rate()
38 	dc->disk.sectors_dirty_last = dirty;  in __update_writeback_rate()
47 	derivative = ewma_add(dc->disk.sectors_dirty_derivative, derivative,  in __update_writeback_rate()
92 	if (test_bit(BCACHE_DEV_DETACHING, &dc->disk.flags) ||  in writeback_delay()
151 			atomic_inc(&PTR_BUCKET(dc->disk.c, &w->key, i)->pin);  in write_dirty_finish()
153 		ret = bch_btree_insert(dc->disk.c, &keys, NULL, &w->key);  in write_dirty_finish()
159 				? &dc->disk.c->writeback_keys_failed  in write_dirty_finish()
160 				: &dc->disk.c->writeback_keys_done);  in write_dirty_finish()
201 	bch_count_io_errors(PTR_CACHE(io->dc->disk.c, &w->key, 0),  in read_dirty_endio()
237 		BUG_ON(ptr_stale(dc->disk.c, &w->key, 0));  in read_dirty()
257 		io->bio.bi_bdev		= PTR_CACHE(dc->disk.c,  in read_dirty()
328 	BUG_ON(KEY_INODE(k) != dc->disk.id);  in dirty_pred()
339 	stripe = offset_to_stripe(&dc->disk, KEY_OFFSET(&buf->last_scanned));  in refill_full_stripes()
341 	if (stripe >= dc->disk.nr_stripes)  in refill_full_stripes()
347 		stripe = find_next_bit(dc->disk.full_dirty_stripes,  in refill_full_stripes()
348 				       dc->disk.nr_stripes, stripe);  in refill_full_stripes()
350 		if (stripe == dc->disk.nr_stripes)  in refill_full_stripes()
353 		next_stripe = find_next_zero_bit(dc->disk.full_dirty_stripes,  in refill_full_stripes()
354 						 dc->disk.nr_stripes, stripe);  in refill_full_stripes()
356 		buf->last_scanned = KEY(dc->disk.id,  in refill_full_stripes()
357 					stripe * dc->disk.stripe_size, 0);  in refill_full_stripes()
359 		bch_refill_keybuf(dc->disk.c, buf,  in refill_full_stripes()
360 				  &KEY(dc->disk.id,  in refill_full_stripes()
361 				       next_stripe * dc->disk.stripe_size, 0),  in refill_full_stripes()
372 		if (stripe == dc->disk.nr_stripes) {  in refill_full_stripes()
385 	struct bkey start = KEY(dc->disk.id, 0, 0);  in refill_dirty()
386 	struct bkey end = KEY(dc->disk.id, MAX_KEY_OFFSET, 0);  in refill_dirty()
405 	bch_refill_keybuf(dc->disk.c, buf, &end, dirty_pred);  in refill_dirty()
415 	bch_refill_keybuf(dc->disk.c, buf, &start_pos, dirty_pred);  in refill_dirty()
428 		    (!test_bit(BCACHE_DEV_DETACHING, &dc->disk.flags) &&  in bch_writeback_thread()
461 			       !test_bit(BCACHE_DEV_DETACHING, &dc->disk.flags))  in bch_writeback_thread()
496 	op.inode = dc->disk.id;  in bch_sectors_dirty_init()
498 	bch_btree_map_keys(&op.op, dc->disk.c, &KEY(op.inode, 0, 0),  in bch_sectors_dirty_init()
501 	dc->disk.sectors_dirty_last = bcache_dev_sectors_dirty(&dc->disk);  in bch_sectors_dirty_init()