linux-kernel - Re: [PATCH 4.19 325/639] afs: Fix AFS file locking to allow fine grained locks

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Message-ID: <20200126190553.GA4095102@kroah.com>
Date:   Sun, 26 Jan 2020 20:05:53 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Pavel Machek <pavel@...x.de>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Jonathan Billings <jsbillings@...illings.org>,
        David Howells <dhowells@...hat.com>,
        Sasha Levin <sashal@...nel.org>
Subject: Re: [PATCH 4.19 325/639] afs: Fix AFS file locking to allow fine
 grained locks

On Sun, Jan 26, 2020 at 07:57:03PM +0100, Pavel Machek wrote:
> On Fri 2020-01-24 10:28:15, Greg Kroah-Hartman wrote:
> > From: David Howells <dhowells@...hat.com>
> > 
> > [ Upstream commit 68ce801ffd82e72d5005ab5458e8b9e59f24d9cc ]
> > 
> > Fix AFS file locking to allow fine grained locks as some applications, such
> > as firefox, won't work if they can't take such locks on certain state files
> > - thereby preventing the use of kAFS to distribute a home directory.
> > 
> > Note that this cannot be made completely functional as the protocol only
> > has provision for whole-file locks, so there exists the possibility
> 
> Is this suitable for -stable?

Yes, it fixes a bug.