XFS_MOUNT_QUOTA_ALL
mp->m_sb.sb_qflags = mp->m_qflags & XFS_MOUNT_QUOTA_ALL;
if (sbf != (mp->m_qflags & XFS_MOUNT_QUOTA_ALL)) {
BUILD_BUG_ON(XFS_QFLAGS_MNTOPTS & XFS_MOUNT_QUOTA_ALL);