>>>>> "Dave" == Dave Chinner <david@xxxxxxxxxxxxx> writes: Dave> I don't care what happens to the block layer ioctls w.r.t. cache Dave> coherency. If people want to make them fully cache coherent for Dave> buffered IO, go right ahead. Dave> But that doesn't change the fact that if you want your application Dave> to work sanely on existing kernels, then using direct IO is the Dave> only option... Yep! -- Martin K. Petersen Oracle Linux Engineering -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html