On Fri, Sep 25, 2015 at 12:53:57PM +1000, Dave Chinner wrote: <> > We've already got block allocation serialisation at the filesystem > level, and the issue is the unserialised block zeroing being done by > the dax code. That can be fixed by moving the zeroing into the > filesystem code when it runs "complete_unwritten" and checks whether > the mapping has already been marked as written or not... > > I've recently pointed out in a different thread that this is the > solution to whatever that problem was (can't recall which > thread/problem is was now :/ ) and it the same solution here. We > already have the serialisation we need, we just need to move the > block zeroing operation into the appropriate places to make it work > correctly.
I think perhaps this is the thread that you're remembering: https://lkml.org/lkml/2015/8/11/731 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
