On Mon, Dec 14, 2015 at 10:34:30AM +0000, Georg Sch?nberger wrote: > OK, thanks for clarification. > Should the XFS FAQ be updated? > *http://xfs.org/index.php/XFS_FAQ#Q._Should_barriers_be_enabled_with_storage_which_has_a_persistent_write_cache.3F Probably. The text soudns to me like it was written a long time ago when Linux actually use barriers that also prevent I/O reordering instead of just issuing the required cache flushes. -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html