statfs: fixes for s390x+musl

Author: selfisekai

src/sys/statfs.rs

@@ -53,7 +53,7 @@ type fs_type_t = u32;
 type fs_type_t = libc::c_ulong;
 #[cfg(all(target_os = "linux", target_arch = "s390x"))]
 type fs_type_t = libc::c_uint;
-#[cfg(all(target_os = "linux", target_env = "musl"))]
+#[cfg(all(target_os = "linux", target_env = "musl", not(target_arch = "s390x")))]
 type fs_type_t = libc::c_ulong;
 #[cfg(all(target_os = "linux", target_env = "uclibc"))]
 type fs_type_t = libc::c_int;
@@ -322,7 +322,7 @@ impl Statfs {
     /// Optimal transfer block size
     #[cfg(any(
         target_os = "android",
-        all(target_os = "linux", target_env = "musl")
+        all(target_os = "linux", target_env = "musl", not(target_arch = "s390x"))
     ))]
     pub fn optimal_transfer_size(&self) -> libc::c_ulong {
         self.0.f_bsize
@@ -374,7 +374,7 @@ impl Statfs {
 
     /// Size of a block
     // f_bsize on linux: https://github.com/torvalds/linux/blob/master/fs/nfs/super.c#L471
-    #[cfg(all(target_os = "linux", target_env = "musl"))]
+    #[cfg(all(target_os = "linux", target_env = "musl", not(target_arch = "s390x")))]
     pub fn block_size(&self) -> libc::c_ulong {
         self.0.f_bsize
     }
@@ -446,7 +446,7 @@ impl Statfs {
     }
 
     /// Maximum length of filenames
-    #[cfg(all(target_os = "linux", target_env = "musl"))]
+    #[cfg(all(target_os = "linux", target_env = "musl", not(target_arch = "s390x")))]
     pub fn maximum_name_length(&self) -> libc::c_ulong {
         self.0.f_namelen
     }