On Tue, Sep 08, 2015 at 01:02:26PM -0400, Tejun Heo wrote: > Hello, > > On Tue, Sep 08, 2015 at 09:56:22AM -0700, Shaohua Li wrote: > > I'll benchmark on a SSD from another vendor, which supports FUA, but FUA > > write has poor performance in my last test. > > lolwut? Was it slower than write + flush? I need double confirm. But for write + flush, we aggregrate several writes and do a flush; for FUA, we do every meta write with FUA. So this is not apple to apple comparison. Thanks, Shaohua -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
