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()
183 	struct journal_device *ja = &ca->journal;  in bch_journal_read()
285 		c->journal.seq = list_entry(list->prev,  in bch_journal_read()
298 	struct journal *j = &c->journal;  in bch_journal_mark()
409 void bch_journal_space_reserve(struct journal *j)  in bch_journal_space_reserve()
424 	if (c->journal.btree_flushing)  in btree_flush_write()
427 	spin_lock(&c->journal.flush_write_lock);  in btree_flush_write()
428 	if (c->journal.btree_flushing) {  in btree_flush_write()
429 		spin_unlock(&c->journal.flush_write_lock);  in btree_flush_write()
432 	c->journal.btree_flushing = true;  in btree_flush_write()
433 	spin_unlock(&c->journal.flush_write_lock);  in btree_flush_write()
436 	spin_lock(&c->journal.lock);  in btree_flush_write()
437 	fifo_front_p = &fifo_front(&c->journal.pin);  in btree_flush_write()
444 		spin_unlock(&c->journal.lock);  in btree_flush_write()
447 	spin_unlock(&c->journal.lock);  in btree_flush_write()
449 	mask = c->journal.pin.mask;  in btree_flush_write()
462 		now_fifo_front_p = &fifo_front(&c->journal.pin);  in btree_flush_write()
489 		if (!btree_current_write(b)->journal) {  in btree_flush_write()
507 		if (((btree_current_write(b)->journal - fifo_front_p) &  in btree_flush_write()
544 		if (!btree_current_write(b)->journal) {  in btree_flush_write()
564 	spin_lock(&c->journal.flush_write_lock);  in btree_flush_write()
565 	c->journal.btree_flushing = false;  in btree_flush_write()
566 	spin_unlock(&c->journal.flush_write_lock);  in btree_flush_write()
575 	struct cache *ca = container_of(ja, struct cache, journal);  in journal_discard_endio()
579 	closure_wake_up(&ca->set->journal.wait);  in journal_discard_endio()
593 	struct journal_device *ja = &ca->journal;  in do_journal_discard()
632 	struct journal *j = &c->journal;  in free_journal_buckets()
634 	struct journal_device *ja = &c->cache->journal;  in free_journal_buckets()
651 	struct bkey *k = &c->journal.key;  in journal_reclaim()
654 	struct journal_device *ja = &ca->journal;  in journal_reclaim()
659 	while (!atomic_read(&fifo_front(&c->journal.pin)))  in journal_reclaim()
660 		fifo_pop(&c->journal.pin, p);  in journal_reclaim()
662 	last_seq = last_seq(&c->journal);  in journal_reclaim()
673 	if (c->journal.blocks_free)  in journal_reclaim()
687 	c->journal.blocks_free = ca->sb.bucket_size >> c->block_bits;  in journal_reclaim()
690 	if (!journal_full(&c->journal))  in journal_reclaim()
691 		__closure_wake_up(&c->journal.wait);  in journal_reclaim()
694 void bch_journal_next(struct journal *j)  in bch_journal_next()
723 	closure_put(&w->c->journal.io);  in journal_write_endio()
730 	closure_type(j, struct journal, io);  in CLOSURE_CALLBACK()
740 	__releases(&c->journal.lock)
742 	closure_type(c, struct cache_set, journal.io);
744 	c->journal.io_in_flight = 0;
745 	spin_unlock(&c->journal.lock);
749 	__releases(c->journal.lock)
751 	closure_type(c, struct cache_set, journal.io);
753 	struct journal_write *w = c->journal.cur;
754 	struct bkey *k = &c->journal.key;
766 	} else if (journal_full(&c->journal)) {
768 		spin_unlock(&c->journal.lock);
775 	c->journal.blocks_free -= set_blocks(w->data, block_bytes(ca));
785 	w->data->last_seq	= last_seq(&c->journal);
790 		bio = &ca->journal.bio;
808 		ca->journal.seq[ca->journal.cur_idx] = w->data->seq;
814 	atomic_dec_bug(&fifo_back(&c->journal.pin));
815 	bch_journal_next(&c->journal);
818 	spin_unlock(&c->journal.lock);
828 	closure_type(c, struct cache_set, journal.io);  in CLOSURE_CALLBACK()
830 	spin_lock(&c->journal.lock);  in CLOSURE_CALLBACK()
835 	__releases(c->journal.lock)  in journal_try_write()
837 	struct closure *cl = &c->journal.io;  in journal_try_write()
838 	struct journal_write *w = c->journal.cur;  in journal_try_write()
842 	if (!c->journal.io_in_flight) {  in journal_try_write()
843 		c->journal.io_in_flight = 1;  in journal_try_write()
846 		spin_unlock(&c->journal.lock);  in journal_try_write()
852 	__acquires(&c->journal.lock)  in journal_wait_for_write()
861 	spin_lock(&c->journal.lock);  in journal_wait_for_write()
864 		struct journal_write *w = c->journal.cur;  in journal_wait_for_write()
870 				     c->journal.blocks_free * ca->sb.block_size,  in journal_wait_for_write()
875 			closure_wait(&c->journal.wait, &cl);  in journal_wait_for_write()
877 		if (!journal_full(&c->journal)) {  in journal_wait_for_write()
895 			spin_unlock(&c->journal.lock);  in journal_wait_for_write()
901 		spin_lock(&c->journal.lock);  in journal_wait_for_write()
910 					   journal.work);  in journal_write_work()
911 	spin_lock(&c->journal.lock);  in journal_write_work()
912 	if (c->journal.cur->dirty)  in journal_write_work()
915 		spin_unlock(&c->journal.lock);  in journal_write_work()
943 	ret = &fifo_back(&c->journal.pin);  in bch_journal()
951 		queue_delayed_work(bch_flush_wq, &c->journal.work,  in bch_journal()
953 		spin_unlock(&c->journal.lock);  in bch_journal()
955 		spin_unlock(&c->journal.lock);  in bch_journal()
976 	free_pages((unsigned long) c->journal.w[1].data, JSET_BITS);  in bch_journal_free()
977 	free_pages((unsigned long) c->journal.w[0].data, JSET_BITS);  in bch_journal_free()
978 	free_fifo(&c->journal.pin);  in bch_journal_free()
983 	struct journal *j = &c->journal;  in bch_journal_alloc()