From: Al Viro <viro@ZenIV.linux.org.uk>
To: David Chen <david.chen@osnexus.com>
Cc: lkml <linux-kernel@vger.kernel.org>,
linux-fsdevel@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH] vfs: check i_count under lock in evict_inodes
Date: Tue, 12 Jul 2016 06:26:24 +0100 [thread overview]
Message-ID: <20160712052624.GC14480@ZenIV.linux.org.uk> (raw)
In-Reply-To: <CAK1sfubpLBv3P5ttpuq1z+EyNGHFiiMEVLSCv5HoQ51f_pFHig@mail.gmail.com>
On Mon, Jul 11, 2016 at 06:31:57PM -0700, David Chen wrote:
> Hi Al,
>
> I'm not sure about the in-tree fs, but in zfsonlinux, it would offload
> iput to a thread, so this would happen there. And it would wait for
> the thread in put_super(), so that part is not a problem...
*shrug* I hadn't looked (and won't look) at zfs glue, but I'd suggest
trying something along the line of stopping that thread in the beginning
of your ->kill_sb() (having told the sucker to stop offloading, of course)
and only then calling generic_shutdown_super()...
prev parent reply other threads:[~2016-07-12 5:26 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-12 0:15 [PATCH] vfs: check i_count under lock in evict_inodes Chunwei Chen
2016-07-12 0:46 ` Al Viro
2016-07-12 1:31 ` David Chen
2016-07-12 1:40 ` Christoph Hellwig
2016-07-12 5:26 ` Al Viro [this message]
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