linux-kernel - Re: [PATCH 4.4 63/86] block: defer timeouts to a workqueue

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Message-ID: <20200519105349.GB120343@kroah.com>
Date:   Tue, 19 May 2020 12:53:49 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Henri Rosten <henri.rosten@...kie.com>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Christoph Hellwig <hch@....de>,
        Keith Busch <keith.busch@...el.com>, Jens Axboe <axboe@...com>,
        Giuliano Procida <gprocida@...gle.com>, lukas.bulwahn@...il.com
Subject: Re: [PATCH 4.4 63/86] block: defer timeouts to a workqueue

On Tue, May 19, 2020 at 09:31:47AM +0200, Greg Kroah-Hartman wrote:
> On Tue, May 19, 2020 at 09:00:38AM +0300, Henri Rosten wrote:
> > On Mon, May 18, 2020 at 07:36:34PM +0200, Greg Kroah-Hartman wrote:
> > > From: Christoph Hellwig <hch@....de>
> > > 
> > > commit 287922eb0b186e2a5bf54fdd04b734c25c90035c upstream.
> > 
> > I notice 287922eb0b18 has been referenced in Fixes-tag in mainline 
> > commit 5480e299b5ae ("scsi: iscsi: Fix a potential deadlock in the 
> > timeout handler"). Consider if backporting 5480e299b5ae together with 
> > this 4.4 version of 287922eb0b18 is also relevant.
> 
> Ugh, there are lots of "fixes for fixes" in these releases that seem to
> be needed.  Let me dig through and find them all as I should have done
> before starting this -rc round :(

Turns out you found the two issues here, and I've queued up this fix
now.

thanks,

greg k-h