linux-ext4 - Re: [PATCH 0/9] Remove remaining parts of congestions tracking code.

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Date:   Thu, 27 Jan 2022 14:42:29 -0800
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     NeilBrown <neilb@...e.de>
Cc:     Jaegeuk Kim <jaegeuk@...nel.org>, Chao Yu <chao@...nel.org>,
        Jeff Layton <jlayton@...nel.org>,
        Ilya Dryomov <idryomov@...il.com>,
        Miklos Szeredi <miklos@...redi.hu>,
        Trond Myklebust <trond.myklebust@...merspace.com>,
        Anna Schumaker <anna.schumaker@...app.com>,
        Ryusuke Konishi <konishi.ryusuke@...il.com>,
        "Darrick J. Wong" <djwong@...nel.org>,
        Philipp Reisner <philipp.reisner@...bit.com>,
        Lars Ellenberg <lars.ellenberg@...bit.com>,
        Paolo Valente <paolo.valente@...aro.org>,
        Jens Axboe <axboe@...nel.dk>, linux-mm@...ck.org,
        linux-nilfs@...r.kernel.org, linux-nfs@...r.kernel.org,
        linux-fsdevel@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net, linux-ext4@...r.kernel.org,
        ceph-devel@...r.kernel.org, drbd-dev@...ts.linbit.com,
        linux-kernel@...r.kernel.org, linux-block@...r.kernel.org
Subject: Re: [PATCH 0/9] Remove remaining parts of congestions tracking
 code.

On Thu, 27 Jan 2022 13:46:29 +1100 NeilBrown <neilb@...e.de> wrote:

> Congestion hasn't been reliably tracked for quite some time.
> Most MM uses of it for guiding writeback decisions were removed in 5.16.
> Some other uses were removed in 17-rc1.
> 
> This series removes the remaining places that test for congestion, and
> the few places which still set it.
> 
> The second patch touches a few filesystems.  I didn't think there was
> much value in splitting this out by filesystems, but if maintainers
> would rather I did that, I will.
> 
> The f2fs, cephfs, fuse, NFS, and block patches can go through the
> respective trees proving the final patch doesn't land until after they
> all do - so maybe it should be held for 5.18-rc2 if all the rest lands
> by 5.18-rc1.

Plan B: I'll just take everything.  While collecting tested-bys and
acked-bys from filesystem maintainers (please).