Re: reduce sub-block DIO serialisation v4

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On Mon, Feb 01, 2021 at 05:58:25PM +0100, Christoph Hellwig wrote:
> On Sat, Jan 23, 2021 at 10:57:06AM -0800, Darrick J. Wong wrote:
> > On Fri, Jan 22, 2021 at 05:20:32PM +0100, Christoph Hellwig wrote:
> > > This takes the approach from Dave, but adds a new flag instead of abusing
> > > the nowait one, and keeps a simpler calling convention for iomap_dio_rw.
> > 
> > Hm.  I realized while putting together for-next branches that I really
> > would have preferred the three iomap patches at the start so that I
> > could push those parts through the iomap tree.  The changes required to
> > resequence the series is minor and the iomap changes (AFAICT) are inert
> > if the calling fs doesn't set IOMAP_DIO_OVERWRITE_ONLY, so I think it's
> > low risk to push the iomap changes into iomap-for-next as a 5.12 thing.
> > 
> > The rest of the xfs patches in this series would form the basis of a
> > second week pull request (or not) since I think I ought to evaluate the
> > effects on performance for a little longer.
> 
> So that is the reason why they aren't in for-next yet?  Or do you want
> the remaining patches resent on top of the iomap branch?

Assuming they haven't changed, I'll just push the (slightly reordered)
series out to for-next tomorrow.  Sorry, I got totally sidetracked last
week with the quota retry series nearly tripling in size with all the
requested changes... :(

--D



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