diff --git a/src/kernel/core/fs/bootfs.c b/src/kernel/core/fs/bootfs.c
index 1ba6bcf718..e72d2b19a7 100755
--- a/src/kernel/core/fs/bootfs.c
+++ b/src/kernel/core/fs/bootfs.c
@@ -655,7 +655,7 @@ bootfs_fsync(fs_volume _fs, fs_vnode _v)
 }
 
 
-static ssize_t
+static status_t
 bootfs_read(fs_volume _fs, fs_vnode _v, fs_cookie _cookie, off_t pos, void *buffer, size_t *_length)
 {
 	struct bootfs *fs = _fs;
@@ -704,7 +704,7 @@ err:
 }
 
 
-static ssize_t
+static status_t
 bootfs_write(fs_volume fs, fs_vnode v, fs_cookie cookie, off_t pos, const void *buf, size_t *len)
 {
 	TRACE(("bootfs_write: vnode %p, cookie %p, pos 0x%Lx , len 0x%lx\n", v, cookie, pos, *len));
diff --git a/src/kernel/core/fs/rootfs.c b/src/kernel/core/fs/rootfs.c
index b9a6b67b79..6429718b23 100755
--- a/src/kernel/core/fs/rootfs.c
+++ b/src/kernel/core/fs/rootfs.c
@@ -556,17 +556,20 @@ rootfs_fsync(fs_volume _fs, fs_vnode _v)
 }
 
 
-static ssize_t
-rootfs_read(fs_volume _fs, fs_vnode _v, fs_cookie _cookie, off_t pos, void *buf, size_t *len)
+static status_t
+rootfs_read(fs_volume _fs, fs_vnode _vnode, fs_cookie _cookie, 
+	off_t pos, void *buffer, size_t *_length)
 {
 	return EINVAL;
 }
 
 
-static ssize_t
-rootfs_write(fs_volume fs, fs_vnode v, fs_cookie cookie, off_t pos, const void *buf, size_t *len)
+static status_t
+rootfs_write(fs_volume fs, fs_vnode vnode, fs_cookie cookie, 
+	off_t pos, const void *buffer, size_t *_length)
 {
-	TRACE(("rootfs_write: vnode %p, cookie %p, pos 0x%Lx , len 0x%lx\n", v, cookie, pos, *len));
+	TRACE(("rootfs_write: vnode %p, cookie %p, pos 0x%Lx , len 0x%lx\n", 
+		vnode, cookie, pos, *len));
 
 	return EPERM;
 }