fsync_bdev       1155 block/genhd.c  		fsync_bdev(bdev);
fsync_bdev         85 block/ioctl.c  			fsync_bdev(bdevp);
fsync_bdev        308 block/ioctl.c  		fsync_bdev(bdev);
fsync_bdev        171 include/linux/buffer_head.h int fsync_bdev(struct block_device *);