On 2015-12-14 11:27, Christoph Hellwig wrote: > On Mon, Dec 14, 2015 at 10:18:54AM +0000, Georg Sch?nberger wrote: >>> Or to phrase it >>> differently: If nobarrier makes a difference skipping it is not safe. >> I do not fully understand that sentence, what do you mean by "makes a >> difference" and "skipping is not safe"? > The rule of thumb is: if nobarrier makes your workload run faster you > should not be using it, aka: don't use it. 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-- To unsubscribe from this list: send the line "unsubscribe linux-block" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
