initfs: Remove uid and gid fields for inodes

The initfs creation code always puts 0 in them.

bootstrap/src/initfs.rs

@@ -329,8 +329,8 @@ impl SchemeSync for InitFsScheme {
                 InodeKind::File(_) => MODE_FILE,
                 _ => 0,
             };
-        stat.st_uid = inode.uid();
-        stat.st_gid = inode.gid();
+        stat.st_uid = 0;
+        stat.st_gid = 0;
         stat.st_size = u64::try_from(inode_len(inode)?).unwrap_or(u64::MAX);
 
         stat.st_ctime = sec.get();

initfs/src/lib.rs

@@ -147,12 +147,6 @@ impl<'initfs> InodeStruct<'initfs> {
     pub fn mode(&self) -> u16 {
         (self.inode.type_and_mode.get() & MODE_MASK) as u16
     }
-    pub fn uid(&self) -> u32 {
-        self.inode.uid.get()
-    }
-    pub fn gid(&self) -> u32 {
-        self.inode.gid.get()
-    }
     fn ty(&self) -> Option<InodeType> {
         let raw = (self.inode.type_and_mode.get() & TYPE_MASK) >> TYPE_SHIFT;
 

initfs/src/types.rs

@@ -87,8 +87,6 @@ pub struct InodeHeader {
     pub type_and_mode: U32,
     pub length: U32,
     pub offset: Offset,
-    pub uid: U32,
-    pub gid: U32,
 }
 
 pub const MODE_MASK: u32 = 0xFFF;

initfs/tools/src/bin/dump.rs

@@ -25,7 +25,7 @@ fn main() -> Result<()> {
     let bytes = std::fs::read(source).context("failed to read image into memory")?;
     let initfs = InitFs::new(&bytes, None).context("failed to parse initfs header")?;
 
-    dbg!(initfs.header());
+    println!("{:#?}", initfs.header());
 
     for inode in initfs.all_inodes() {
         print!("{:?}: ", inode);
@@ -38,10 +38,8 @@ fn main() -> Result<()> {
             }
         };
         print!(
-            "mode={:#0o}, uid={}, gid={}, kind=",
+            "mode={:#0o}, kind=",
             inode_struct.mode(),
-            inode_struct.uid(),
-            inode_struct.gid()
         );
 
         use redox_initfs::InodeKind;

initfs/tools/src/lib.rs

@@ -258,9 +258,6 @@ fn write_inode(
         type_and_mode: type_and_mode.into(),
         length: write_result.size.into(),
         offset: initfs::Offset(write_result.offset.into()),
-
-        gid: 0.into(), //metadata.gid().into(),
-        uid: 0.into(), //metadata.uid().into(),
     };
 
     log::debug!(