From: Chris Mason <chris.mason@oracle.com>
To: Jens Axboe <jens.axboe@oracle.com>
Cc: Sven Wegener <sven.wegener@stealer.net>, linux-btrfs@vger.kernel.org
Subject: Re: [PATCH] Add compability for kernels >=2.6.27-rc1
Date: Wed, 30 Jul 2008 16:43:42 -0400 [thread overview]
Message-ID: <1217450622.20239.32.camel@think.oraclecorp.com> (raw)
In-Reply-To: <20080730201333.GR20055@kernel.dk>
On Wed, 2008-07-30 at 22:13 +0200, Jens Axboe wrote:
[ rcu page cache ]
> > > For btrfs's usage, it should be safe with a simple rcu_read_lock(), if
> > > the return is referenced safely.
> > >
> >
> > This btrfs code is basically a find_get_page without the get. It should
> > only be called when I know I already have a reference on the page.
>
> Then it's definitely safe ;-)
>
Yeah, I'm testing on the latest git now and it all seems ok. I'll push
this out, thanks Sven.
-chris
next prev parent reply other threads:[~2008-07-30 20:43 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-30 19:11 [PATCH] Add compability for kernels >=2.6.27-rc1 Sven Wegener
2008-07-30 19:56 ` Jens Axboe
2008-07-30 20:11 ` Chris Mason
2008-07-30 20:13 ` Jens Axboe
2008-07-30 20:43 ` Chris Mason [this message]
2008-07-31 19:27 ` David Woodhouse
2008-07-31 19:37 ` Chris Mason
2008-07-31 19:52 ` David Woodhouse
2008-08-19 14:51 ` David Woodhouse
2008-08-19 16:30 ` Chris Mason
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