On Mon, Dec 14, 2015 at 09:38:56AM +0100, Martin Steigerwald wrote: > Is it safe to use XFS (or any other filesystem) on enterprise SSDs with Power > Loss Protection (PLP), i.e. some capacitor to provide for enough electricity > to write out all data in DRAM to flash after a power loss, with a reordering > I/O scheduler like CFQ? If the device does not need cache flushes it should not report requiring flushes, in which case nobarrier will be a noop. Or to phrase it differently: If nobarrier makes a difference skipping it is not safe. -- 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
