fs/mem: give fake blocksize/inode number to files

# Conflicts:
#	Cargo.toml
#	src/syscalls/mod.rs

Author: zyuiop

src/fs/mem.rs

@@ -8,6 +8,7 @@ use alloc::sync::Arc;
 use alloc::vec::Vec;
 use core::marker::PhantomData;
 use core::mem::MaybeUninit;
+use core::sync::atomic::{AtomicU64, Ordering};
 use core::{mem, ptr};
 
 use align_address::Align;
@@ -36,6 +37,8 @@ impl RomFileInner {
 	}
 }
 
+static VFS_INO_NUM: AtomicU64 = AtomicU64::new(10_000);
+
 pub struct RomFileInterface {
 	/// Position within the file
 	pos: Mutex<usize>,
@@ -306,6 +309,7 @@ impl RomFile {
 			st_atim: t,
 			st_mtim: t,
 			st_ctim: t,
+			st_ino: VFS_INO_NUM.fetch_add(1, Ordering::AcqRel),
 			..Default::default()
 		};
 
@@ -361,6 +365,9 @@ impl RamFile {
 			st_atim: t,
 			st_mtim: t,
 			st_ctim: t,
+			st_nlink: 1,
+			st_blksize: 4096,
+			st_ino: VFS_INO_NUM.fetch_add(1, Ordering::AcqRel),
 			..Default::default()
 		};