diff --git a/proxmox-sys/src/linux.rs b/proxmox-sys/src/linux.rs
index 4045457e..98930b68 100644
--- a/proxmox-sys/src/linux.rs
+++ b/proxmox-sys/src/linux.rs
@@ -3,6 +3,8 @@
 use failure::*;
 use proxmox_tools as tools;
 
+pub mod magic;
+
 /// Get pseudo random data (/dev/urandom)
 pub fn random_data(size: usize) -> Result<Vec<u8>, Error> {
     let mut buffer = tools::vec::undefined(size);
diff --git a/proxmox-sys/src/linux/magic.rs b/proxmox-sys/src/linux/magic.rs
new file mode 100644
index 00000000..8ca0e8dc
--- /dev/null
+++ b/proxmox-sys/src/linux/magic.rs
@@ -0,0 +1,30 @@
+//! Filesystem related magic numbers
+
+// from /usr/include/linux/magic.h
+// and from casync util.h
+pub const BINFMTFS_MAGIC: i64 =        0x42494e4d;
+pub const CGROUP2_SUPER_MAGIC: i64 =   0x63677270;
+pub const CGROUP_SUPER_MAGIC: i64 =    0x0027e0eb;
+pub const CONFIGFS_MAGIC: i64 =        0x62656570;
+pub const DEBUGFS_MAGIC: i64 =         0x64626720;
+pub const DEVPTS_SUPER_MAGIC: i64 =    0x00001cd1;
+pub const EFIVARFS_MAGIC: i64 =        0xde5e81e4;
+pub const FUSE_CTL_SUPER_MAGIC: i64 =  0x65735543;
+pub const HUGETLBFS_MAGIC: i64 =       0x958458f6;
+pub const MQUEUE_MAGIC: i64 =          0x19800202;
+pub const NFSD_MAGIC: i64 =            0x6e667364;
+pub const PROC_SUPER_MAGIC: i64 =      0x00009fa0;
+pub const PSTOREFS_MAGIC: i64 =        0x6165676C;
+pub const RPCAUTH_GSSMAGIC: i64 =      0x67596969;
+pub const SECURITYFS_MAGIC: i64 =      0x73636673;
+pub const SELINUX_MAGIC: i64 =         0xf97cff8c;
+pub const SMACK_MAGIC: i64 =           0x43415d53;
+pub const RAMFS_MAGIC: i64 =           0x858458f6;
+pub const TMPFS_MAGIC: i64 =           0x01021994;
+pub const SYSFS_MAGIC: i64 =           0x62656572;
+pub const MSDOS_SUPER_MAGIC: i64 =     0x00004d44;
+pub const BTRFS_SUPER_MAGIC: i64 =     0x9123683E;
+pub const FUSE_SUPER_MAGIC: i64 =      0x65735546;
+pub const EXT4_SUPER_MAGIC: i64 =      0x0000EF53;
+pub const XFS_SUPER_MAGIC: i64 =       0x58465342;
+pub const ZFS_SUPER_MAGIC: i64 =       0x2FC12FC1;