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()
182 	struct journal_device *ja = &ca->journal;  in bch_journal_read()
284 		c->journal.seq = list_entry(list->prev,  in bch_journal_read()
297 	struct journal *j = &c->journal;  in bch_journal_mark()
408 void bch_journal_space_reserve(struct journal *j)  in bch_journal_space_reserve()
423 	if (c->journal.btree_flushing)  in btree_flush_write()
426 	spin_lock(&c->journal.flush_write_lock);  in btree_flush_write()
427 	if (c->journal.btree_flushing) {  in btree_flush_write()
428 		spin_unlock(&c->journal.flush_write_lock);  in btree_flush_write()
431 	c->journal.btree_flushing = true;  in btree_flush_write()
432 	spin_unlock(&c->journal.flush_write_lock);  in btree_flush_write()
435 	spin_lock(&c->journal.lock);  in btree_flush_write()
436 	fifo_front_p = &fifo_front(&c->journal.pin);  in btree_flush_write()
443 		spin_unlock(&c->journal.lock);  in btree_flush_write()
446 	spin_unlock(&c->journal.lock);  in btree_flush_write()
448 	mask = c->journal.pin.mask;  in btree_flush_write()
461 		now_fifo_front_p = &fifo_front(&c->journal.pin);  in btree_flush_write()
488 		if (!btree_current_write(b)->journal) {  in btree_flush_write()
506 		if (((btree_current_write(b)->journal - fifo_front_p) &  in btree_flush_write()
543 		if (!btree_current_write(b)->journal) {  in btree_flush_write()
563 	spin_lock(&c->journal.flush_write_lock);  in btree_flush_write()
564 	c->journal.btree_flushing = false;  in btree_flush_write()
565 	spin_unlock(&c->journal.flush_write_lock);  in btree_flush_write()
574 	struct cache *ca = container_of(ja, struct cache, journal);  in journal_discard_endio()
578 	closure_wake_up(&ca->set->journal.wait);  in journal_discard_endio()
592 	struct journal_device *ja = &ca->journal;  in do_journal_discard()
631 	struct journal *j = &c->journal;  in free_journal_buckets()
633 	struct journal_device *ja = &c->cache->journal;  in free_journal_buckets()
650 	struct bkey *k = &c->journal.key;  in journal_reclaim()
653 	struct journal_device *ja = &ca->journal;  in journal_reclaim()
658 	while (!atomic_read(&fifo_front(&c->journal.pin)))  in journal_reclaim()
659 		fifo_pop(&c->journal.pin, p);  in journal_reclaim()
661 	last_seq = last_seq(&c->journal);  in journal_reclaim()
672 	if (c->journal.blocks_free)  in journal_reclaim()
686 	c->journal.blocks_free = ca->sb.bucket_size >> c->block_bits;  in journal_reclaim()
689 	if (!journal_full(&c->journal))  in journal_reclaim()
690 		__closure_wake_up(&c->journal.wait);  in journal_reclaim()
693 void bch_journal_next(struct journal *j)  in bch_journal_next()
722 	closure_put(&w->c->journal.io);  in journal_write_endio()
729 	struct journal *j = container_of(cl, struct journal, io);  in journal_write_done()
739 	__releases(&c->journal.lock)  in journal_write_unlock()
741 	struct cache_set *c = container_of(cl, struct cache_set, journal.io);  in journal_write_unlock()
743 	c->journal.io_in_flight = 0;  in journal_write_unlock()
744 	spin_unlock(&c->journal.lock);  in journal_write_unlock()
748 	__releases(c->journal.lock)  in journal_write_unlocked()
750 	struct cache_set *c = container_of(cl, struct cache_set, journal.io);  in journal_write_unlocked()
752 	struct journal_write *w = c->journal.cur;  in journal_write_unlocked()
753 	struct bkey *k = &c->journal.key;  in journal_write_unlocked()
765 	} else if (journal_full(&c->journal)) {  in journal_write_unlocked()
767 		spin_unlock(&c->journal.lock);  in journal_write_unlocked()
774 	c->journal.blocks_free -= set_blocks(w->data, block_bytes(ca));  in journal_write_unlocked()
784 	w->data->last_seq	= last_seq(&c->journal);  in journal_write_unlocked()
789 		bio = &ca->journal.bio;  in journal_write_unlocked()
807 		ca->journal.seq[ca->journal.cur_idx] = w->data->seq;  in journal_write_unlocked()
813 	atomic_dec_bug(&fifo_back(&c->journal.pin));  in journal_write_unlocked()
814 	bch_journal_next(&c->journal);  in journal_write_unlocked()
817 	spin_unlock(&c->journal.lock);  in journal_write_unlocked()
827 	struct cache_set *c = container_of(cl, struct cache_set, journal.io);  in journal_write()
829 	spin_lock(&c->journal.lock);  in journal_write()
834 	__releases(c->journal.lock)  in journal_try_write()
836 	struct closure *cl = &c->journal.io;  in journal_try_write()
837 	struct journal_write *w = c->journal.cur;  in journal_try_write()
841 	if (!c->journal.io_in_flight) {  in journal_try_write()
842 		c->journal.io_in_flight = 1;  in journal_try_write()
845 		spin_unlock(&c->journal.lock);  in journal_try_write()
851 	__acquires(&c->journal.lock)  in journal_wait_for_write()
860 	spin_lock(&c->journal.lock);  in journal_wait_for_write()
863 		struct journal_write *w = c->journal.cur;  in journal_wait_for_write()
869 				     c->journal.blocks_free * ca->sb.block_size,  in journal_wait_for_write()
874 			closure_wait(&c->journal.wait, &cl);  in journal_wait_for_write()
876 		if (!journal_full(&c->journal)) {  in journal_wait_for_write()
894 			spin_unlock(&c->journal.lock);  in journal_wait_for_write()
900 		spin_lock(&c->journal.lock);  in journal_wait_for_write()
909 					   journal.work);  in journal_write_work()
910 	spin_lock(&c->journal.lock);  in journal_write_work()
911 	if (c->journal.cur->dirty)  in journal_write_work()
914 		spin_unlock(&c->journal.lock);  in journal_write_work()
942 	ret = &fifo_back(&c->journal.pin);  in bch_journal()
950 		queue_delayed_work(bch_flush_wq, &c->journal.work,  in bch_journal()
952 		spin_unlock(&c->journal.lock);  in bch_journal()
954 		spin_unlock(&c->journal.lock);  in bch_journal()
975 	free_pages((unsigned long) c->journal.w[1].data, JSET_BITS);  in bch_journal_free()
976 	free_pages((unsigned long) c->journal.w[0].data, JSET_BITS);  in bch_journal_free()
977 	free_fifo(&c->journal.pin);  in bch_journal_free()
982 	struct journal *j = &c->journal;  in bch_journal_alloc()