jbd2_format_support_feature
if (!jbd2_format_support_feature(journal))
if (!jbd2_format_support_feature(journal))
if (!jbd2_format_support_feature(journal))
return (jbd2_format_support_feature(j) && \
return (jbd2_format_support_feature(j) && \
return (jbd2_format_support_feature(j) && \