Re: reduce sub-block DIO serialisation v4

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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?




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