diff --git a/src/unix/linux_like/linux/gnu/mod.rs b/src/unix/linux_like/linux/gnu/mod.rs
index d54dd57444483..5762a3d7805be 100644
--- a/src/unix/linux_like/linux/gnu/mod.rs
+++ b/src/unix/linux_like/linux/gnu/mod.rs
@@ -724,56 +724,111 @@ pub const O_ACCMODE: ::c_int = 3;
 pub const ST_RELATIME: ::c_ulong = 4096;
 pub const NI_MAXHOST: ::socklen_t = 1025;
 
-pub const ADFS_SUPER_MAGIC: ::c_long = 0x0000adf5;
-pub const AFFS_SUPER_MAGIC: ::c_long = 0x0000adff;
-pub const AFS_SUPER_MAGIC: ::c_long = 0x5346414f;
-pub const AUTOFS_SUPER_MAGIC: ::c_long = 0x0187;
-pub const BINDERFS_SUPER_MAGIC: ::c_long = 0x6c6f6f70;
-pub const BPF_FS_MAGIC: ::c_long = 0xcafe4a11;
-pub const BTRFS_SUPER_MAGIC: ::c_long = 0x9123683e;
-pub const CGROUP2_SUPER_MAGIC: ::c_long = 0x63677270;
-pub const CGROUP_SUPER_MAGIC: ::c_long = 0x27e0eb;
-pub const CODA_SUPER_MAGIC: ::c_long = 0x73757245;
-pub const CRAMFS_MAGIC: ::c_long = 0x28cd3d45;
-pub const DEBUGFS_MAGIC: ::c_long = 0x64626720;
-pub const DEVPTS_SUPER_MAGIC: ::c_long = 0x1cd1;
-pub const ECRYPTFS_SUPER_MAGIC: ::c_long = 0xf15f;
-pub const EFS_SUPER_MAGIC: ::c_long = 0x00414a53;
-pub const EXT2_SUPER_MAGIC: ::c_long = 0x0000ef53;
-pub const EXT3_SUPER_MAGIC: ::c_long = 0x0000ef53;
-pub const EXT4_SUPER_MAGIC: ::c_long = 0x0000ef53;
-pub const F2FS_SUPER_MAGIC: ::c_long = 0xf2f52010;
-pub const FUTEXFS_SUPER_MAGIC: ::c_long = 0xbad1dea;
-pub const HOSTFS_SUPER_MAGIC: ::c_long = 0x00c0ffee;
-pub const HPFS_SUPER_MAGIC: ::c_long = 0xf995e849;
-pub const HUGETLBFS_MAGIC: ::c_long = 0x958458f6;
-pub const ISOFS_SUPER_MAGIC: ::c_long = 0x00009660;
-pub const JFFS2_SUPER_MAGIC: ::c_long = 0x000072b6;
-pub const MINIX2_SUPER_MAGIC2: ::c_long = 0x00002478;
-pub const MINIX2_SUPER_MAGIC: ::c_long = 0x00002468;
-pub const MINIX3_SUPER_MAGIC: ::c_long = 0x4d5a;
-pub const MINIX_SUPER_MAGIC2: ::c_long = 0x0000138f;
-pub const MINIX_SUPER_MAGIC: ::c_long = 0x0000137f;
-pub const MSDOS_SUPER_MAGIC: ::c_long = 0x00004d44;
-pub const NCP_SUPER_MAGIC: ::c_long = 0x0000564c;
-pub const NFS_SUPER_MAGIC: ::c_long = 0x00006969;
-pub const NILFS_SUPER_MAGIC: ::c_long = 0x3434;
-pub const OCFS2_SUPER_MAGIC: ::c_long = 0x7461636f;
-pub const OPENPROM_SUPER_MAGIC: ::c_long = 0x00009fa1;
-pub const OVERLAYFS_SUPER_MAGIC: ::c_long = 0x794c7630;
-pub const PROC_SUPER_MAGIC: ::c_long = 0x00009fa0;
-pub const QNX4_SUPER_MAGIC: ::c_long = 0x0000002f;
-pub const QNX6_SUPER_MAGIC: ::c_long = 0x68191122;
-pub const RDTGROUP_SUPER_MAGIC: ::c_long = 0x7655821;
-pub const REISERFS_SUPER_MAGIC: ::c_long = 0x52654973;
-pub const SMB_SUPER_MAGIC: ::c_long = 0x0000517b;
-pub const SYSFS_MAGIC: ::c_long = 0x62656572;
-pub const TMPFS_MAGIC: ::c_long = 0x01021994;
-pub const TRACEFS_MAGIC: ::c_long = 0x74726163;
-pub const UDF_SUPER_MAGIC: ::c_long = 0x15013346;
-pub const USBDEVICE_SUPER_MAGIC: ::c_long = 0x00009fa2;
-pub const XENFS_SUPER_MAGIC: ::c_long = 0xabba1974;
-pub const XFS_SUPER_MAGIC: ::c_long = 0x58465342;
+cfg_if! {
+    if #[cfg(not(target_arch = "s390x"))] {
+        pub const ADFS_SUPER_MAGIC: ::c_long = 0x0000adf5;
+        pub const AFFS_SUPER_MAGIC: ::c_long = 0x0000adff;
+        pub const AFS_SUPER_MAGIC: ::c_long = 0x5346414f;
+        pub const AUTOFS_SUPER_MAGIC: ::c_long = 0x0187;
+        pub const BINDERFS_SUPER_MAGIC: ::c_long = 0x6c6f6f70;
+        pub const BPF_FS_MAGIC: ::c_long = 0xcafe4a11;
+        pub const BTRFS_SUPER_MAGIC: ::c_long = 0x9123683e;
+        pub const CGROUP2_SUPER_MAGIC: ::c_long = 0x63677270;
+        pub const CGROUP_SUPER_MAGIC: ::c_long = 0x27e0eb;
+        pub const CODA_SUPER_MAGIC: ::c_long = 0x73757245;
+        pub const CRAMFS_MAGIC: ::c_long = 0x28cd3d45;
+        pub const DEBUGFS_MAGIC: ::c_long = 0x64626720;
+        pub const DEVPTS_SUPER_MAGIC: ::c_long = 0x1cd1;
+        pub const ECRYPTFS_SUPER_MAGIC: ::c_long = 0xf15f;
+        pub const EFS_SUPER_MAGIC: ::c_long = 0x00414a53;
+        pub const EXT2_SUPER_MAGIC: ::c_long = 0x0000ef53;
+        pub const EXT3_SUPER_MAGIC: ::c_long = 0x0000ef53;
+        pub const EXT4_SUPER_MAGIC: ::c_long = 0x0000ef53;
+        pub const F2FS_SUPER_MAGIC: ::c_long = 0xf2f52010;
+        pub const FUTEXFS_SUPER_MAGIC: ::c_long = 0xbad1dea;
+        pub const HOSTFS_SUPER_MAGIC: ::c_long = 0x00c0ffee;
+        pub const HPFS_SUPER_MAGIC: ::c_long = 0xf995e849;
+        pub const HUGETLBFS_MAGIC: ::c_long = 0x958458f6;
+        pub const ISOFS_SUPER_MAGIC: ::c_long = 0x00009660;
+        pub const JFFS2_SUPER_MAGIC: ::c_long = 0x000072b6;
+        pub const MINIX2_SUPER_MAGIC2: ::c_long = 0x00002478;
+        pub const MINIX2_SUPER_MAGIC: ::c_long = 0x00002468;
+        pub const MINIX3_SUPER_MAGIC: ::c_long = 0x4d5a;
+        pub const MINIX_SUPER_MAGIC2: ::c_long = 0x0000138f;
+        pub const MINIX_SUPER_MAGIC: ::c_long = 0x0000137f;
+        pub const MSDOS_SUPER_MAGIC: ::c_long = 0x00004d44;
+        pub const NCP_SUPER_MAGIC: ::c_long = 0x0000564c;
+        pub const NFS_SUPER_MAGIC: ::c_long = 0x00006969;
+        pub const NILFS_SUPER_MAGIC: ::c_long = 0x3434;
+        pub const OCFS2_SUPER_MAGIC: ::c_long = 0x7461636f;
+        pub const OPENPROM_SUPER_MAGIC: ::c_long = 0x00009fa1;
+        pub const OVERLAYFS_SUPER_MAGIC: ::c_long = 0x794c7630;
+        pub const PROC_SUPER_MAGIC: ::c_long = 0x00009fa0;
+        pub const QNX4_SUPER_MAGIC: ::c_long = 0x0000002f;
+        pub const QNX6_SUPER_MAGIC: ::c_long = 0x68191122;
+        pub const RDTGROUP_SUPER_MAGIC: ::c_long = 0x7655821;
+        pub const REISERFS_SUPER_MAGIC: ::c_long = 0x52654973;
+        pub const SMB_SUPER_MAGIC: ::c_long = 0x0000517b;
+        pub const SYSFS_MAGIC: ::c_long = 0x62656572;
+        pub const TMPFS_MAGIC: ::c_long = 0x01021994;
+        pub const TRACEFS_MAGIC: ::c_long = 0x74726163;
+        pub const UDF_SUPER_MAGIC: ::c_long = 0x15013346;
+        pub const USBDEVICE_SUPER_MAGIC: ::c_long = 0x00009fa2;
+        pub const XENFS_SUPER_MAGIC: ::c_long = 0xabba1974;
+        pub const XFS_SUPER_MAGIC: ::c_long = 0x58465342;
+    } else if #[cfg(target_arch = "s390x")] {
+        pub const ADFS_SUPER_MAGIC: ::c_uint = 0x0000adf5;
+        pub const AFFS_SUPER_MAGIC: ::c_uint = 0x0000adff;
+        pub const AFS_SUPER_MAGIC: ::c_uint = 0x5346414f;
+        pub const AUTOFS_SUPER_MAGIC: ::c_uint = 0x0187;
+        pub const BINDERFS_SUPER_MAGIC: ::c_uint = 0x6c6f6f70;
+        pub const BPF_FS_MAGIC: ::c_uint = 0xcafe4a11;
+        pub const BTRFS_SUPER_MAGIC: ::c_uint = 0x9123683e;
+        pub const CGROUP2_SUPER_MAGIC: ::c_uint = 0x63677270;
+        pub const CGROUP_SUPER_MAGIC: ::c_uint = 0x27e0eb;
+        pub const CODA_SUPER_MAGIC: ::c_uint = 0x73757245;
+        pub const CRAMFS_MAGIC: ::c_uint = 0x28cd3d45;
+        pub const DEBUGFS_MAGIC: ::c_uint = 0x64626720;
+        pub const DEVPTS_SUPER_MAGIC: ::c_uint = 0x1cd1;
+        pub const ECRYPTFS_SUPER_MAGIC: ::c_uint = 0xf15f;
+        pub const EFS_SUPER_MAGIC: ::c_uint = 0x00414a53;
+        pub const EXT2_SUPER_MAGIC: ::c_uint = 0x0000ef53;
+        pub const EXT3_SUPER_MAGIC: ::c_uint = 0x0000ef53;
+        pub const EXT4_SUPER_MAGIC: ::c_uint = 0x0000ef53;
+        pub const F2FS_SUPER_MAGIC: ::c_uint = 0xf2f52010;
+        pub const FUTEXFS_SUPER_MAGIC: ::c_uint = 0xbad1dea;
+        pub const HOSTFS_SUPER_MAGIC: ::c_uint = 0x00c0ffee;
+        pub const HPFS_SUPER_MAGIC: ::c_uint = 0xf995e849;
+        pub const HUGETLBFS_MAGIC: ::c_uint = 0x958458f6;
+        pub const ISOFS_SUPER_MAGIC: ::c_uint = 0x00009660;
+        pub const JFFS2_SUPER_MAGIC: ::c_uint = 0x000072b6;
+        pub const MINIX2_SUPER_MAGIC2: ::c_uint = 0x00002478;
+        pub const MINIX2_SUPER_MAGIC: ::c_uint = 0x00002468;
+        pub const MINIX3_SUPER_MAGIC: ::c_uint = 0x4d5a;
+        pub const MINIX_SUPER_MAGIC2: ::c_uint = 0x0000138f;
+        pub const MINIX_SUPER_MAGIC: ::c_uint = 0x0000137f;
+        pub const MSDOS_SUPER_MAGIC: ::c_uint = 0x00004d44;
+        pub const NCP_SUPER_MAGIC: ::c_uint = 0x0000564c;
+        pub const NFS_SUPER_MAGIC: ::c_uint = 0x00006969;
+        pub const NILFS_SUPER_MAGIC: ::c_uint = 0x3434;
+        pub const OCFS2_SUPER_MAGIC: ::c_uint = 0x7461636f;
+        pub const OPENPROM_SUPER_MAGIC: ::c_uint = 0x00009fa1;
+        pub const OVERLAYFS_SUPER_MAGIC: ::c_uint = 0x794c7630;
+        pub const PROC_SUPER_MAGIC: ::c_uint = 0x00009fa0;
+        pub const QNX4_SUPER_MAGIC: ::c_uint = 0x0000002f;
+        pub const QNX6_SUPER_MAGIC: ::c_uint = 0x68191122;
+        pub const RDTGROUP_SUPER_MAGIC: ::c_uint = 0x7655821;
+        pub const REISERFS_SUPER_MAGIC: ::c_uint = 0x52654973;
+        pub const SMB_SUPER_MAGIC: ::c_uint = 0x0000517b;
+        pub const SYSFS_MAGIC: ::c_uint = 0x62656572;
+        pub const TMPFS_MAGIC: ::c_uint = 0x01021994;
+        pub const TRACEFS_MAGIC: ::c_uint = 0x74726163;
+        pub const UDF_SUPER_MAGIC: ::c_uint = 0x15013346;
+        pub const USBDEVICE_SUPER_MAGIC: ::c_uint = 0x00009fa2;
+        pub const XENFS_SUPER_MAGIC: ::c_uint = 0xabba1974;
+        pub const XFS_SUPER_MAGIC: ::c_uint = 0x58465342;
+    }
+}
 
 pub const CPU_SETSIZE: ::c_int = 0x400;