UFS_EXTATTR_UEPM_INITIALIZED
if (!(ump->um_extattr.uepm_flags & UFS_EXTATTR_UEPM_INITIALIZED))
uepm->uepm_flags |= UFS_EXTATTR_UEPM_INITIALIZED;
if (!(uepm->uepm_flags & UFS_EXTATTR_UEPM_INITIALIZED))
uepm->uepm_flags &= ~UFS_EXTATTR_UEPM_INITIALIZED;
if (!(ump->um_extattr.uepm_flags & UFS_EXTATTR_UEPM_INITIALIZED))