223 	if (!wb->inc.keys.nr)  in move_keys_from_inc_to_flushing()
226 	bch2_journal_pin_add(j, wb->inc.keys.data[0].journal_seq, &wb->flushing.pin,  in move_keys_from_inc_to_flushing()
229 	darray_resize(&wb->flushing.keys, min_t(size_t, 1U << 20, wb->flushing.keys.nr + wb->inc.keys.nr));  in move_keys_from_inc_to_flushing()
232 	if (!wb->flushing.keys.nr && wb->sorted.size >= wb->inc.keys.nr) {  in move_keys_from_inc_to_flushing()
233 		swap(wb->flushing.keys, wb->inc.keys);  in move_keys_from_inc_to_flushing()
239 	nr = min(nr, wb->inc.keys.nr);  in move_keys_from_inc_to_flushing()
242 	       wb->inc.keys.data,  in move_keys_from_inc_to_flushing()
243 	       sizeof(wb->inc.keys.data[0]) * nr);  in move_keys_from_inc_to_flushing()
245 	memmove(wb->inc.keys.data,  in move_keys_from_inc_to_flushing()
246 		wb->inc.keys.data + nr,  in move_keys_from_inc_to_flushing()
247 	       sizeof(wb->inc.keys.data[0]) * (wb->inc.keys.nr - nr));  in move_keys_from_inc_to_flushing()
250 	wb->inc.keys.nr		-= nr;  in move_keys_from_inc_to_flushing()
252 	if (!wb->inc.keys.nr)  in move_keys_from_inc_to_flushing()
253 		bch2_journal_pin_drop(j, &wb->inc.pin);  in move_keys_from_inc_to_flushing()
255 		bch2_journal_pin_update(j, wb->inc.keys.data[0].journal_seq, &wb->inc.pin,  in move_keys_from_inc_to_flushing()
301 	mutex_lock(&wb->inc.lock);  in bch2_btree_write_buffer_flush_locked()
303 	mutex_unlock(&wb->inc.lock);  in bch2_btree_write_buffer_flush_locked()
563 		*did_work |= wb->inc.keys.nr || wb->flushing.keys.nr;  in btree_write_buffer_flush_seq()
567 		 * is not guaranteed to empty wb->inc:  in btree_write_buffer_flush_seq()
574 		  (wb->inc.pin.seq && wb->inc.pin.seq <= max_seq) ||  in btree_write_buffer_flush_seq()
735 			dst->wb = &c->btree_write_buffer.inc;  in bch2_journal_key_to_wb_slowpath()
764 		mutex_lock(&wb->inc.lock);  in bch2_journal_keys_to_write_buffer_start()
768 		 * Attempt to skip wb->inc, and add keys directly to  in bch2_journal_keys_to_write_buffer_start()
772 		if (!wb->inc.keys.nr) {  in bch2_journal_keys_to_write_buffer_start()
776 			dst->wb = &wb->inc;  in bch2_journal_keys_to_write_buffer_start()
779 		mutex_lock(&wb->inc.lock);  in bch2_journal_keys_to_write_buffer_start()
780 		dst->wb = &wb->inc;  in bch2_journal_keys_to_write_buffer_start()
830 	mutex_unlock(&wb->inc.lock);  in bch2_journal_keys_to_write_buffer_end()
853 		wb_keys_resize(&wb->inc, new_size);  in bch2_btree_write_buffer_resize()
860 	BUG_ON((wb->inc.keys.nr || wb->flushing.keys.nr) &&  in bch2_fs_btree_write_buffer_exit()
866 	darray_exit(&wb->inc.keys);  in bch2_fs_btree_write_buffer_exit()
873 	mutex_init(&wb->inc.lock);  in bch2_fs_btree_write_buffer_init()
880 	return  darray_make_room(&wb->inc.keys, initial_size) ?:  in bch2_fs_btree_write_buffer_init()