linux-kernel - Re: linux-next: manual merge of the tip tree with the vfs tree

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Message-ID: <alpine.DEB.2.21.1806221742280.2402@nanos.tec.linutronix.de>
Date:   Fri, 22 Jun 2018 17:44:12 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Reinette Chatre <reinette.chatre@...el.com>
cc:     Al Viro <viro@...IV.linux.org.uk>,
        David Howells <dhowells@...hat.com>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: manual merge of the tip tree with the vfs tree

On Fri, 22 Jun 2018, Reinette Chatre wrote:
> On 6/22/2018 6:39 AM, Thomas Gleixner wrote:
> > On Fri, 22 Jun 2018, Al Viro wrote:
> >> On Fri, Jun 22, 2018 at 01:45:23PM +0100, David Howells wrote:
> >>> Reinette Chatre <reinette.chatre@...el.com> wrote:
> >>>
> >>>> Thomas and David, please let me know what I can do from my side to help
> >>>> with this.
> >>>
> >>> You could try basing on Al Viro's for-next tree which has the mount API
> >>> changes in it.
> >>
> >> Umm...  That would be a massive headache for everyone involved; the changes
> >> in there have very little in common with what you are doing in rdt_mount(),
> >> so it might make sense to start with a minimal never-rebased branch that
> >> would
> >> 	* define rdt_pseudo_lock_init as 0
> >> 	* define rdt_pseudo_lock_release as empty
> >> 	* do the rdt_mount() part of a3dbd01e6c9d
> >> 	* have commit message along the lines of
> >> "hooks in rdt_mount() for rdt_pseudo_lock to use
> >>
> >> Functionally a no-op right now; the only reason for having that
> >> as a never-rebased branch to get rdt_pseudo_lock and mount series
> >> out of each other's hair"
> >>
> >> Base that on -rc1, then pull it into your rdt branch and David could pull the
> >> same into his.
> > 
> > Yes, that works.
> > 
> > Reinette, can you please look into creating that ordering. Then we just zap
> > the existing branch and redo it with this scheme.
> 
> Will do. How would you prefer to consume this to make the branches
> simple to create? Is it ok if I create a new patch series with Al's
> suggestion above as the first commit?
> 
> The original pseudo-locking patch series consisted out of two sections
> with the pseudo-locking specific parts starting in the middle. If I
> create a new series with the above change then it will not be cleanly
> separate anymore. Is that ok?

That's fine. Just mention it clearly in the changelog of that first one or
two patches you need for that.

Thanks,

	tglx