userns: Convert configfs to use kuid and kgid where appropriate

Cc: Joel Becker <jlbec@evilplan.org>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>

fs/configfs/inode.c

@@ -79,8 +79,8 @@ int configfs_setattr(struct dentry * dentry, struct iattr * iattr)
 			return -ENOMEM;
 		/* assign default attributes */
 		sd_iattr->ia_mode = sd->s_mode;
-		sd_iattr->ia_uid = 0;
-		sd_iattr->ia_gid = 0;
+		sd_iattr->ia_uid = GLOBAL_ROOT_UID;
+		sd_iattr->ia_gid = GLOBAL_ROOT_GID;
 		sd_iattr->ia_atime = sd_iattr->ia_mtime = sd_iattr->ia_ctime = CURRENT_TIME;
 		sd->s_iattr = sd_iattr;
 	}

init/Kconfig

@@ -950,7 +950,6 @@ config UIDGID_CONVERTED
 	depends on CEPH_FS = n
 	depends on CIFS = n
 	depends on CODA_FS = n
-	depends on CONFIGFS_FS = n
 	depends on CRAMFS = n
 	depends on ECRYPT_FS = n
 	depends on EFS_FS = n