ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, 0x0)
r0 = openat$sr(0xffffffffffffff9c, &(0x7f00000035c0), 0xe8b02, 0x0)
ioctl$SG_IO(r0, 0x2285, &(0x7f0000000180)={0x0, 0x0, 0x0, 0xda, @buffer={0x0, 0x8d, &(0x7f00000000c0)=""/141}, 0x0, &(0x7f0000001e00)=""/4096, 0x800534, 0x0, 0xffffffffffffffff, 0x0})
ioctl$SG_IO(r0, 0x127f, &(0x7f00000003c0)={0xe00, 0x0, 0x0, 0x0, @scatter={0x1000000000000063, 0x0, &(0x7f0000000040)=[{&(0x7f0000000200)=""/207, 0xcf}, {&(0x7f0000000640)=""/159, 0x99}]}, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0})
r1 = openat$sr(0xffffffffffffff9c, &(0x7f00000035c0), 0xe8b02, 0x0)
ioctl$SCSI_IOCTL_STOP_UNIT(r1, 0x6)
ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f0000000440))
ioctl$AUTOFS_DEV_IOCTL_SETPIPEFD(0xffffffffffffffff, 0xc0189378, 0x0)
copy_file_range(0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0x10001, 0x0)
openat(0xffffffffffffff9c, 0x0, 0x0, 0x0)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000300)=0x3, 0xfff)