unregister_blkdev
unregister_blkdev(major_num, "nfhd");
unregister_blkdev(simdisk_major, "simdisk");
unregister_blkdev(simdisk_major, "simdisk");
EXPORT_SYMBOL(unregister_blkdev);
unregister_blkdev(FLOPPY_MAJOR,"fd");
unregister_blkdev(AOE_MAJOR, DEVICE_NAME);
unregister_blkdev(FLOPPY_MAJOR, "fd");
unregister_blkdev(RAMDISK_MAJOR, "ramdisk");
unregister_blkdev(DRBD_MAJOR, "drbd");
unregister_blkdev(FLOPPY_MAJOR, "fd");
unregister_blkdev(FLOPPY_MAJOR, "fd");
unregister_blkdev(LOOP_MAJOR, "loop");
unregister_blkdev(mtip_major, MTIP_DRV_NAME);
unregister_blkdev(mtip_major, MTIP_DRV_NAME);
unregister_blkdev(NBD_MAJOR, "nbd");
unregister_blkdev(NBD_MAJOR, "nbd");
unregister_blkdev(NBD_MAJOR, "nbd");
unregister_blkdev(null_major, "nullb");
unregister_blkdev(null_major, "nullb");
unregister_blkdev(ps3disk_major, DEVICE_NAME);
unregister_blkdev(ps3disk_major, DEVICE_NAME);
unregister_blkdev(ps3vram_major, DEVICE_NAME);
unregister_blkdev(ps3vram_major, DEVICE_NAME);
unregister_blkdev(rbd_dev->major, rbd_dev->name);
unregister_blkdev(rbd_dev->major, rbd_dev->name);
unregister_blkdev(rbd_major, RBD_DRV_NAME);
unregister_blkdev(rbd_major, RBD_DRV_NAME);
unregister_blkdev(rnbd_client_major, "rnbd");
unregister_blkdev(rnbd_client_major, "rnbd");
unregister_blkdev(rnbd_client_major, "rnbd");
unregister_blkdev(vdc_major, VDCBLK_NAME);
unregister_blkdev(vdc_major, VDCBLK_NAME);
unregister_blkdev(FLOPPY_MAJOR, "fd");
unregister_blkdev(FLOPPY_MAJOR, "fd");
unregister_blkdev(FLOPPY_MAJOR, "fd");
unregister_blkdev(major, "virtblk");
unregister_blkdev(major, "virtblk");
unregister_blkdev(XENVBD_MAJOR, DEV_NAME);
unregister_blkdev(XENVBD_MAJOR, DEV_NAME);
unregister_blkdev(Z2RAM_MAJOR, DEVICE_NAME);
unregister_blkdev(Z2RAM_MAJOR, DEVICE_NAME);
unregister_blkdev(zram_major, "zram");
unregister_blkdev(gdrom_major, GDROM_DEV_NAME);
unregister_blkdev(gdrom_major, GDROM_DEV_NAME);
unregister_blkdev(bcache_major, "bcache");
unregister_blkdev(_major, _name);
unregister_blkdev(MD_MAJOR, "md");
unregister_blkdev(MD_MAJOR,"md");
unregister_blkdev(mdp_major, "mdp");
unregister_blkdev(major, DRIVER_NAME);
unregister_blkdev(major, DRIVER_NAME);
unregister_blkdev(MMC_BLOCK_MAJOR, "mmc");
unregister_blkdev(MMC_BLOCK_MAJOR, "mmc");
unregister_blkdev(tr->major, tr->name);
unregister_blkdev(ubiblock_major, "ubiblock");
unregister_blkdev(ubiblock_major, "ubiblock");
unregister_blkdev(DASD_MAJOR, "dasd");
unregister_blkdev(dcssblk_major, DCSSBLK_NAME);
unregister_blkdev(scm_major, "scm");
unregister_blkdev(scm_major, "scm");
unregister_blkdev(sd_major(i), "sd");
unregister_blkdev(sd_major(i), "sd");
unregister_blkdev(SCSI_CDROM_MAJOR, "sr");
unregister_blkdev(SCSI_CDROM_MAJOR, "sr");
void unregister_blkdev(unsigned int major, const char *name);