io_setup(0x208, &(0x7f0000000080)=<r0=>0x0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/power/freeze_filesystems', 0x28001, 0x0)
io_submit(r0, 0x1, &(0x7f0000000280)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r1, &(0x7f0000000040)='9\r', 0x2}])