38 	struct journal_device *ja = &ca->journal;  in journal_read_bucket()
42 	struct jset *j, *data = ca->set->journal.w[0].data;  in journal_read_bucket()
184 	struct journal_device *ja = &ca->journal;  in bch_journal_read()
286 		c->journal.seq = list_entry(list->prev,  in bch_journal_read()
299 	struct journal *j = &c->journal;  in bch_journal_mark()
420 	if (c->journal.btree_flushing)  in btree_flush_write()
423 	spin_lock(&c->journal.flush_write_lock);  in btree_flush_write()
424 	if (c->journal.btree_flushing) {  in btree_flush_write()
425 		spin_unlock(&c->journal.flush_write_lock);  in btree_flush_write()
428 	c->journal.btree_flushing = true;  in btree_flush_write()
429 	spin_unlock(&c->journal.flush_write_lock);  in btree_flush_write()
432 	spin_lock(&c->journal.lock);  in btree_flush_write()
433 	fifo_front_p = &fifo_front(&c->journal.pin);  in btree_flush_write()
440 		spin_unlock(&c->journal.lock);  in btree_flush_write()
443 	spin_unlock(&c->journal.lock);  in btree_flush_write()
445 	mask = c->journal.pin.mask;  in btree_flush_write()
458 		now_fifo_front_p = &fifo_front(&c->journal.pin);  in btree_flush_write()
485 		if (!btree_current_write(b)->journal) {  in btree_flush_write()
503 		if (((btree_current_write(b)->journal - fifo_front_p) &  in btree_flush_write()
540 		if (!btree_current_write(b)->journal) {  in btree_flush_write()
560 	spin_lock(&c->journal.flush_write_lock);  in btree_flush_write()
561 	c->journal.btree_flushing = false;  in btree_flush_write()
562 	spin_unlock(&c->journal.flush_write_lock);  in btree_flush_write()
571 	struct cache *ca = container_of(ja, struct cache, journal);  in journal_discard_endio()
575 	closure_wake_up(&ca->set->journal.wait);  in journal_discard_endio()
589 	struct journal_device *ja = &ca->journal;  in do_journal_discard()
630 	struct bkey *k = &c->journal.key;  in journal_reclaim()
634 	struct journal_device *ja = &ca->journal;  in journal_reclaim()
639 	while (!atomic_read(&fifo_front(&c->journal.pin)))  in journal_reclaim()
640 		fifo_pop(&c->journal.pin, p);  in journal_reclaim()
642 	last_seq = last_seq(&c->journal);  in journal_reclaim()
653 	if (c->journal.blocks_free)  in journal_reclaim()
669 	c->journal.blocks_free = ca->sb.bucket_size >> c->block_bits;  in journal_reclaim()
672 	if (!journal_full(&c->journal))  in journal_reclaim()
673 		__closure_wake_up(&c->journal.wait);  in journal_reclaim()
676 void bch_journal_next(struct journal *j)  in bch_journal_next()
705 	closure_put(&w->c->journal.io);  in journal_write_endio()
712 	struct journal *j = container_of(cl, struct journal, io);  in journal_write_done()
722 	__releases(&c->journal.lock)  in journal_write_unlock()
724 	struct cache_set *c = container_of(cl, struct cache_set, journal.io);  in journal_write_unlock()
726 	c->journal.io_in_flight = 0;  in journal_write_unlock()
727 	spin_unlock(&c->journal.lock);  in journal_write_unlock()
731 	__releases(c->journal.lock)  in journal_write_unlocked()
733 	struct cache_set *c = container_of(cl, struct cache_set, journal.io);  in journal_write_unlocked()
735 	struct journal_write *w = c->journal.cur;  in journal_write_unlocked()
736 	struct bkey *k = &c->journal.key;  in journal_write_unlocked()
748 	} else if (journal_full(&c->journal)) {  in journal_write_unlocked()
750 		spin_unlock(&c->journal.lock);  in journal_write_unlocked()
757 	c->journal.blocks_free -= set_blocks(w->data, block_bytes(ca));  in journal_write_unlocked()
767 	w->data->last_seq	= last_seq(&c->journal);  in journal_write_unlocked()
772 		bio = &ca->journal.bio;  in journal_write_unlocked()
792 		ca->journal.seq[ca->journal.cur_idx] = w->data->seq;  in journal_write_unlocked()
798 	atomic_dec_bug(&fifo_back(&c->journal.pin));  in journal_write_unlocked()
799 	bch_journal_next(&c->journal);  in journal_write_unlocked()
802 	spin_unlock(&c->journal.lock);  in journal_write_unlocked()
812 	struct cache_set *c = container_of(cl, struct cache_set, journal.io);  in journal_write()
814 	spin_lock(&c->journal.lock);  in journal_write()
819 	__releases(c->journal.lock)  in journal_try_write()
821 	struct closure *cl = &c->journal.io;  in journal_try_write()
822 	struct journal_write *w = c->journal.cur;  in journal_try_write()
826 	if (!c->journal.io_in_flight) {  in journal_try_write()
827 		c->journal.io_in_flight = 1;  in journal_try_write()
830 		spin_unlock(&c->journal.lock);  in journal_try_write()
836 	__acquires(&c->journal.lock)  in journal_wait_for_write()
845 	spin_lock(&c->journal.lock);  in journal_wait_for_write()
848 		struct journal_write *w = c->journal.cur;  in journal_wait_for_write()
854 				     c->journal.blocks_free * ca->sb.block_size,  in journal_wait_for_write()
859 			closure_wait(&c->journal.wait, &cl);  in journal_wait_for_write()
861 		if (!journal_full(&c->journal)) {  in journal_wait_for_write()
879 			spin_unlock(&c->journal.lock);  in journal_wait_for_write()
885 		spin_lock(&c->journal.lock);  in journal_wait_for_write()
894 					   journal.work);  in journal_write_work()
895 	spin_lock(&c->journal.lock);  in journal_write_work()
896 	if (c->journal.cur->dirty)  in journal_write_work()
899 		spin_unlock(&c->journal.lock);  in journal_write_work()
927 	ret = &fifo_back(&c->journal.pin);  in bch_journal()
935 		schedule_delayed_work(&c->journal.work,  in bch_journal()
937 		spin_unlock(&c->journal.lock);  in bch_journal()
939 		spin_unlock(&c->journal.lock);  in bch_journal()
960 	free_pages((unsigned long) c->journal.w[1].data, JSET_BITS);  in bch_journal_free()
961 	free_pages((unsigned long) c->journal.w[0].data, JSET_BITS);  in bch_journal_free()
962 	free_fifo(&c->journal.pin);  in bch_journal_free()
967 	struct journal *j = &c->journal;  in bch_journal_alloc()