201 	if (!wb->inc.keys.nr)  in move_keys_from_inc_to_flushing()
204 	bch2_journal_pin_add(j, wb->inc.keys.data[0].journal_seq, &wb->flushing.pin,  in move_keys_from_inc_to_flushing()
207 	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()
210 	if (!wb->flushing.keys.nr && wb->sorted.size >= wb->inc.keys.nr) {  in move_keys_from_inc_to_flushing()
211 		swap(wb->flushing.keys, wb->inc.keys);  in move_keys_from_inc_to_flushing()
217 	nr = min(nr, wb->inc.keys.nr);  in move_keys_from_inc_to_flushing()
220 	       wb->inc.keys.data,  in move_keys_from_inc_to_flushing()
221 	       sizeof(wb->inc.keys.data[0]) * nr);  in move_keys_from_inc_to_flushing()
223 	memmove(wb->inc.keys.data,  in move_keys_from_inc_to_flushing()
224 		wb->inc.keys.data + nr,  in move_keys_from_inc_to_flushing()
225 	       sizeof(wb->inc.keys.data[0]) * (wb->inc.keys.nr - nr));  in move_keys_from_inc_to_flushing()
228 	wb->inc.keys.nr		-= nr;  in move_keys_from_inc_to_flushing()
230 	if (!wb->inc.keys.nr)  in move_keys_from_inc_to_flushing()
231 		bch2_journal_pin_drop(j, &wb->inc.pin);  in move_keys_from_inc_to_flushing()
233 		bch2_journal_pin_update(j, wb->inc.keys.data[0].journal_seq, &wb->inc.pin,  in move_keys_from_inc_to_flushing()
258 	mutex_lock(&wb->inc.lock);  in bch2_btree_write_buffer_flush_locked()
260 	mutex_unlock(&wb->inc.lock);  in bch2_btree_write_buffer_flush_locked()
415 		 * is not guaranteed to empty wb->inc:  in btree_write_buffer_flush_seq()
422 		  (wb->inc.pin.seq && wb->inc.pin.seq <= seq) ||  in btree_write_buffer_flush_seq()
500 			dst->wb = &c->btree_write_buffer.inc;  in bch2_journal_key_to_wb_slowpath()
529 		mutex_lock(&wb->inc.lock);  in bch2_journal_keys_to_write_buffer_start()
533 		 * Attempt to skip wb->inc, and add keys directly to  in bch2_journal_keys_to_write_buffer_start()
537 		if (!wb->inc.keys.nr) {  in bch2_journal_keys_to_write_buffer_start()
541 			dst->wb = &wb->inc;  in bch2_journal_keys_to_write_buffer_start()
544 		mutex_lock(&wb->inc.lock);  in bch2_journal_keys_to_write_buffer_start()
545 		dst->wb = &wb->inc;  in bch2_journal_keys_to_write_buffer_start()
571 	mutex_unlock(&wb->inc.lock);  in bch2_journal_keys_to_write_buffer_end()
617 		wb_keys_resize(&wb->inc, new_size);  in bch2_btree_write_buffer_resize()
624 	BUG_ON((wb->inc.keys.nr || wb->flushing.keys.nr) &&  in bch2_fs_btree_write_buffer_exit()
629 	darray_exit(&wb->inc.keys);  in bch2_fs_btree_write_buffer_exit()
636 	mutex_init(&wb->inc.lock);  in bch2_fs_btree_write_buffer_init()
643 	return  darray_make_room(&wb->inc.keys, initial_size) ?:  in bch2_fs_btree_write_buffer_init()