cache_flush_pos    83 drivers/block/null_blk.h 	unsigned long cache_flush_pos;
cache_flush_pos   890 drivers/block/null_blk_main.c 			(void **)c_pages, nullb->cache_flush_pos, FREE_BATCH);
cache_flush_pos   896 drivers/block/null_blk_main.c 		nullb->cache_flush_pos = c_pages[i]->page->index;
cache_flush_pos   920 drivers/block/null_blk_main.c 			nullb->cache_flush_pos = 0;