# Mask supported in stx_attributes by Lustre is
# STATX_ATTR_IMMUTABLE(0x10) | STATX_ATTR_APPEND(0x20) : (0x30).
mask=$($STATX -c %p $DIR/$tfile)
- (( 0x$mask & 0x30 == 0x30 )) ||
+ (( (0x$mask & 0x30) == 0x30 )) ||
error "supported stx_attributes: got '0x$mask', expected '0x30' at least"
chattr +i $DIR/$tfile || error "chattr +i $DIR/$tfile failed"
mask=$($STATX -c %r $DIR/$tfile)