curr_cache 44 drivers/block/null_blk.h unsigned int curr_cache; curr_cache 710 drivers/block/null_blk_main.c nullb->dev->curr_cache -= PAGE_SIZE; curr_cache 727 drivers/block/null_blk_main.c nullb->dev->curr_cache += PAGE_SIZE; curr_cache 758 drivers/block/null_blk_main.c dev->curr_cache = 0; curr_cache 873 drivers/block/null_blk_main.c nullb->dev->curr_cache -= PAGE_SIZE; curr_cache 886 drivers/block/null_blk_main.c nullb->dev->curr_cache + n || nullb->dev->curr_cache == 0) curr_cache 1027 drivers/block/null_blk_main.c if (err || nullb->dev->curr_cache == 0)