Added basic support to inode in filestat_get (for #3583 and #3239)

wasmerio · Apr 13, 2023 · 7a6b5e1 · 7a6b5e1
1 parent f0478b9
commit 7a6b5e1
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Showing 2 changed files with 8 additions and 5 deletions.
diff --git a/lib/wasi/src/fs/mod.rs b/lib/wasi/src/fs/mod.rs
@@ -73,7 +73,7 @@ pub const MAX_SYMLINKS: u32 = 128;
 pub struct Inode(u64);
 
 impl Inode {
-    fn as_u64(&self) -> u64 {
+    pub fn as_u64(&self) -> u64 {
         self.0
     }
 }

diff --git a/lib/wasi/src/syscalls/wasi/path_filestat_get.rs b/lib/wasi/src/syscalls/wasi/path_filestat_get.rs
@@ -82,10 +82,13 @@ pub(crate) fn path_filestat_get_internal(
         path_string,
         flags & __WASI_LOOKUP_SYMLINK_FOLLOW != 0,
     )?;
-    if file_inode.is_preopened {
-        Ok(*file_inode.stat.read().unwrap().deref())
+    let st_ino = file_inode.ino().as_u64();
+    let mut stat = if file_inode.is_preopened {
+        *file_inode.stat.read().unwrap().deref()
     } else {
         let guard = file_inode.read();
-        state.fs.get_stat_for_kind(guard.deref())
-    }
+        state.fs.get_stat_for_kind(guard.deref())?
+    };
+    stat.st_ino = st_ino;
+    Ok(stat)
 }