Received-SPF: pass (google.com: domain of linux-nfs-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: 7bit
MIME-Version: 1.0
From:   "NeilBrown" <neilb@suse.de>
To:     "Daire Byrne" <daire@dneg.com>
Cc:     "J. Bruce Fields" <bfields@fieldses.org>,
        "Patrick Goetz" <pgoetz@math.utexas.edu>,
        "linux-nfs" <linux-nfs@vger.kernel.org>
Subject: Re: parallel file create rates (+high latency)
In-reply-to: <CAPt2mGPR9c9=rh4p_D7RPo+4S=DgH7VNpqvOKryKsYwaCAtnJA@mail.gmail.com>
References: <20220126025722.GD17638@fieldses.org>,
 <CAPt2mGP2guMMf1C9VoQ0AvZ819jPuz0vDoEzJJhtL8q5DJ300A@mail.gmail.com>,
 <CAPt2mGNXq==1KUskF3U6-CDeoX57=d7NW4Qn_esDqarf9bTBaw@mail.gmail.com>,
 <20220211155949.GA4941@fieldses.org>,
 <CAPt2mGOx0qNTWoY9vmyVBtZ3gxdbv5qQ-2qVbtqWW9FiZFRhEg@mail.gmail.com>,
 <164517040900.10228.8956772146017892417@noble.neil.brown.name>,
 <CAPt2mGMLQCEPqsYGeaMd3BPGRne4F4h-2-pzqm1a8nwfKqv1ug@mail.gmail.com>,
 <CAPt2mGMt3Sq66qmPBeGYE0CASTTy7nY2K_LjQK6VZx-uz2P-wg@mail.gmail.com>,
 <20220425132232.GA24825@fieldses.org>,
 <CAPt2mGMtBH=jzK0cTT7+PTbX-iR-iSx1RmF2beCDxBjXY5sj8A@mail.gmail.com>,
 <20220425160236.GB24825@fieldses.org>,
 <CAPt2mGPR9c9=rh4p_D7RPo+4S=DgH7VNpqvOKryKsYwaCAtnJA@mail.gmail.com>
Date:   Tue, 26 Apr 2022 11:36:47 +1000
Message-id: <165093700757.1648.16863178337904278508@noble.neil.brown.name>
Precedence: bulk

On Tue, 26 Apr 2022, Daire Byrne wrote:
> 
> I'll stare at fs/nfsd/vfs.c for a bit but I probably lack the
> expertise to make it work.

Staring at code is good for the soul ....  but I'll try to schedule time
to work on this patch again - make it work from nfsd and also make it
handle rename.

> 
> It's also not entirely clear that this parallel creates RFC patch will
> ever make it into mainline?

I hope it will eventually, but I have no idea when that might be.

Thanks for your continued interest,
NeilBrown