r0 = openat$cdrom(0xffffffffffffff9c, &(0x7f00000004c0), 0x0, 0x0)
ioctl$CDROMPAUSE(0xffffffffffffffff, 0x5301)
eventfd(0x0)
ioctl$BTRFS_IOC_SCRUB(r0, 0xc400941b, 0x0)