linux-kernel - Re: [PATCH v2 0/6] gfs2: Fix mmap + page fault deadlocks

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Message-ID: <CAHk-=wjBKeA=obJOc5VRP38=ffm2dCfVmKmy5PLAgs3rysoEtw@mail.gmail.com>
Date:   Mon, 19 Jul 2021 12:31:04 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Andreas Gruenbacher <agruenba@...hat.com>
Cc:     Alexander Viro <viro@...iv.linux.org.uk>, Jan Kara <jack@...e.cz>,
        Matthew Wilcox <willy@...radead.org>,
        Christoph Hellwig <hch@...radead.org>,
        cluster-devel <cluster-devel@...hat.com>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        ocfs2-devel@....oracle.com
Subject: Re: [PATCH v2 0/6] gfs2: Fix mmap + page fault deadlocks

On Sun, Jul 18, 2021 at 3:39 PM Andreas Gruenbacher <agruenba@...hat.com> wrote:
>
> here's an update to the gfs2 mmap + page faults fix that implements
> Linus's suggestion of disabling page faults while we're holding the
> inode glock.

Apart from some wording/naming issues, I think this looks a _lot_
better, and should fix the fundamental and underlying deadlock
properly.

So Ack from me with the trivial suggestions I sent to the individual patches.

            Linus