On Thu, Jan 28, 2021 at 03:41:49PM +1100, Dave Chinner wrote: > Hi folks, > > Quick patch dump for y'all. A couple of minor cleanups to the > log behaviour, a fix for the CIL throttle hang and a couple of > patches to rework the cache flushing that journal IO does to reduce > the number of cache flushes by a couple of orders of magnitude. > > All passes fstests with no regressions, no performance regressions > from fsmark, dbench and various fio workloads, some big gains even > on fast storage. Can you elaborate on the big gains? Workloads for one, but also what kind of storage. For less FUA/flush to matter the device needs to have a write cache, which none of the really fast SSDs even has. So I'd only really expect gains from that on consumer grade SSDs and hard drives.
