56 	rb->mem = rb->subm = rb->sync = rb->l2p_update = 0;  in pblk_rb_init()
166 	unsigned int sync = READ_ONCE(rb->sync);  in pblk_rb_space()  local
168 	return pblk_rb_ring_space(rb, mem, sync, rb->nr_entries);  in pblk_rb_space()
186 	unsigned int sync = READ_ONCE(rb->sync);  in pblk_rb_sync_count()  local
188 	return pblk_rb_ring_count(mem, sync, rb->nr_entries);  in pblk_rb_sync_count()
245 			      unsigned int mem, unsigned int sync)  in pblk_rb_update_l2p()  argument
272 	unsigned int sync;  in pblk_rb_sync_l2p()  local
278 	sync = smp_load_acquire(&rb->sync);  in pblk_rb_sync_l2p()
280 	to_update = pblk_rb_ring_count(sync, rb->l2p_update, rb->nr_entries);  in pblk_rb_sync_l2p()
355 	unsigned int sync, flush_point;  in pblk_rb_flush_point_set()  local
358 	sync = READ_ONCE(rb->sync);  in pblk_rb_flush_point_set()
360 	if (pos == sync) {  in pblk_rb_flush_point_set()
387 	unsigned int sync;  in __pblk_rb_may_write()  local
389 	sync = READ_ONCE(rb->sync);  in __pblk_rb_may_write()
392 	if (pblk_rb_ring_space(rb, mem, sync, rb->nr_entries) < nr_entries)  in __pblk_rb_may_write()
395 	if (pblk_rb_update_l2p(rb, nr_entries, mem, sync))  in __pblk_rb_may_write()
667 	return rb->sync;  in pblk_rb_sync_init()
683 	unsigned int sync, flush_point;  in pblk_rb_sync_advance()  local
686 	sync = READ_ONCE(rb->sync);  in pblk_rb_sync_advance()
692 		secs_to_flush = pblk_rb_ring_count(flush_point, sync,  in pblk_rb_sync_advance()
700 	sync = (sync + nr_entries) & (rb->nr_entries - 1);  in pblk_rb_sync_advance()
703 	smp_store_release(&rb->sync, sync);  in pblk_rb_sync_advance()
705 	return sync;  in pblk_rb_sync_advance()
711 	unsigned int subm, sync, flush_point;  in pblk_rb_flush_point_count()  local
720 	sync = smp_load_acquire(&rb->sync);  in pblk_rb_flush_point_count()
723 	submitted = pblk_rb_ring_count(subm, sync, rb->nr_entries);  in pblk_rb_flush_point_count()
725 	/* The sync point itself counts as a sector to sync */  in pblk_rb_flush_point_count()
726 	to_flush = pblk_rb_ring_count(flush_point, sync, rb->nr_entries) + 1;  in pblk_rb_flush_point_count()
732  * Scan from the current position of the sync pointer to find the entry that
734  * completed out of order. The assumption is that the ppa is close to the sync
737  * The caller of this function must guarantee that the sync pointer will no
739  * assumption in mind, there is no need to take the sync lock.
744 	unsigned int sync, subm, count;  in pblk_rb_sync_scan_entry()  local
747 	sync = READ_ONCE(rb->sync);  in pblk_rb_sync_scan_entry()
749 	count = pblk_rb_ring_count(subm, sync, rb->nr_entries);  in pblk_rb_sync_scan_entry()
752 		sync = (sync + 1) & (rb->nr_entries - 1);  in pblk_rb_sync_scan_entry()
766 	if ((rb->mem == rb->subm) && (rb->subm == rb->sync) &&  in pblk_rb_tear_down_check()
767 				(rb->sync == rb->l2p_update) &&  in pblk_rb_tear_down_check()
821 			rb->sync,  in pblk_rb_sysfs()
839 			rb->sync,  in pblk_rb_sysfs()