From: Greg KH <gregkh@linuxfoundation.org>
To: Ilya Dryomov <idryomov@gmail.com>
Cc: stable@vger.kernel.org
Subject: Re: [PATCH for < 4.9] rbd: use GFP_NOIO for parent stat and data requests
Date: Sat, 11 Nov 2017 13:52:35 +0100 [thread overview]
Message-ID: <20171111125235.GA20003@kroah.com> (raw)
In-Reply-To: <1510396901-29487-2-git-send-email-idryomov@gmail.com>
On Sat, Nov 11, 2017 at 11:41:41AM +0100, Ilya Dryomov wrote:
> rbd_img_obj_exists_submit() and rbd_img_obj_parent_read_full() are on
> the writeback path for cloned images -- we attempt a stat on the parent
> object to see if it exists and potentially read it in to call copyup.
> GFP_NOIO should be used instead of GFP_KERNEL here.
>
> Cc: stable@vger.kernel.org
> Link: http://tracker.ceph.com/issues/22014
> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
> Reviewed-by: David Disseldorp <ddiss@suse.de>
> [idryomov@gmail.com: backport to < 4.9: context]
> ---
> drivers/block/rbd.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
Now queued up, thanks for the backport.
greg k-h
prev parent reply other threads:[~2017-11-11 12:52 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-11 10:41 Backport of 1e37f2f84680 Ilya Dryomov
2017-11-11 10:41 ` [PATCH for < 4.9] rbd: use GFP_NOIO for parent stat and data requests Ilya Dryomov
2017-11-11 12:52 ` Greg KH [this message]
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