NULLB_PAGE_LOCK 676 drivers/block/null_blk_main.c if (test_bit(NULLB_PAGE_LOCK, t_page->bitmap)) NULLB_PAGE_LOCK 841 drivers/block/null_blk_main.c __clear_bit(NULLB_PAGE_LOCK, c_page->bitmap); NULLB_PAGE_LOCK 901 drivers/block/null_blk_main.c if (test_bit(NULLB_PAGE_LOCK, c_pages[i]->bitmap)) NULLB_PAGE_LOCK 904 drivers/block/null_blk_main.c __set_bit(NULLB_PAGE_LOCK, c_pages[i]->bitmap);