bdev_read_page    717 fs/block_dev.c EXPORT_SYMBOL_GPL(bdev_read_page);
bdev_read_page    302 fs/mpage.c     			if (!bdev_read_page(bdev, blocks[0] << (blkbits - 9),
bdev_read_page   1719 include/linux/blkdev.h extern int bdev_read_page(struct block_device *, sector_t, struct page *);
bdev_read_page    377 mm/page_io.c   	ret = bdev_read_page(sis->bdev, swap_page_sector(page), page);