linux-kernel - Re: [PATCH] aio: take an extra file reference before call vfs

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Date:   Tue, 5 Mar 2019 01:25:21 +0000
From:   Al Viro <viro@...iv.linux.org.uk>
To:     Hou Tao <houtao1@...wei.com>
Cc:     linux-fsdevel@...r.kernel.org, linux-aio@...ck.org,
        Christoph Hellwig <hch@....de>,
        Benjamin LaHaise <bcrl@...ck.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] aio: take an extra file reference before call vfs_poll()

On Tue, Mar 05, 2019 at 09:17:07AM +0800, Hou Tao wrote:
> ping ?

Oh, hell...  I really wish I'd seen your mail back then ;-/
Would've avoided a lot of headache now (and essentially
duplicating your analysis + patch when a later report
got noticed - right before the -final, Murphy Law being what
it is).

Unfortunately, that approach (and I'd ended up with pretty
much the same patch) doesn't solve all problems in the
area; I think I have a sane fix, will post tomorrow morning...

Again, my apologies.  I probably need to do what Linus had
done years ago and unsubscribe from l-k - the traffic is
too high and stuff gets lost in the noise ;-/