userns: Convert squashfs to use kuid/kgid where appropriate

Cc: Phillip Lougher <phillip@squashfs.org.uk>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
diff --git a/fs/squashfs/inode.c b/fs/squashfs/inode.c
index 81afbcc..a1ce5ce 100644
--- a/fs/squashfs/inode.c
+++ b/fs/squashfs/inode.c
@@ -56,16 +56,20 @@
 static int squashfs_new_inode(struct super_block *sb, struct inode *inode,
 				struct squashfs_base_inode *sqsh_ino)
 {
+	uid_t i_uid;
+	gid_t i_gid;
 	int err;
 
-	err = squashfs_get_id(sb, le16_to_cpu(sqsh_ino->uid), &inode->i_uid);
+	err = squashfs_get_id(sb, le16_to_cpu(sqsh_ino->uid), &i_uid);
 	if (err)
 		return err;
 
-	err = squashfs_get_id(sb, le16_to_cpu(sqsh_ino->guid), &inode->i_gid);
+	err = squashfs_get_id(sb, le16_to_cpu(sqsh_ino->guid), &i_gid);
 	if (err)
 		return err;
 
+	i_uid_write(inode, i_uid);
+	i_gid_write(inode, i_gid);
 	inode->i_ino = le32_to_cpu(sqsh_ino->inode_number);
 	inode->i_mtime.tv_sec = le32_to_cpu(sqsh_ino->mtime);
 	inode->i_atime.tv_sec = inode->i_mtime.tv_sec;