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From: Minchan Kim <minchan@kernel.org>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	Dan Magenheimer <dan.magenheimer@oracle.com>,
	Nitin Gupta <ngupta@vflare.org>,
	Konrad Rzeszutek Wilk <konrad@darnok.org>,
	Seth Jennings <sjenning@linux.vnet.ibm.com>,
	Pekka Enberg <penberg@cs.helsinki.fi>,
	stable@vger.kernel.org, Jerome Marchand <jmarchan@redhat.com>
Subject: Re: [RESEND PATCH v5 1/4] zram: Fix deadlock bug in partial write
Date: Thu, 31 Jan 2013 14:41:23 +0900	[thread overview]
Message-ID: <20130131054123.GE23548@blaptop> (raw)
In-Reply-To: <20130130082112.GA23548@blaptop>

On Wed, Jan 30, 2013 at 05:21:12PM +0900, Minchan Kim wrote:
> Hi Greg,
> 
> On Tue, Jan 29, 2013 at 11:20:06PM -0500, Greg Kroah-Hartman wrote:
> > On Mon, Jan 28, 2013 at 09:38:23AM +0900, Minchan Kim wrote:
> > > Now zram allocates new page with GFP_KERNEL in zram I/O path
> > > if IO is partial. Unfortunately, It may cuase deadlock with
> > > reclaim path so this patch solves the problem.
> > > 
> > > Cc: stable@vger.kernel.org
> > > Cc: Jerome Marchand <jmarchan@redhat.com>
> > > Acked-by: Nitin Gupta <ngupta@vflare.org>
> > > Signed-off-by: Minchan Kim <minchan@kernel.org>
> > > ---
> > >  drivers/staging/zram/zram_drv.c |    4 ++--
> > >  1 file changed, 2 insertions(+), 2 deletions(-)
> > 
> > Due to the discussion on this series, I don't know what patch to apply,
> > so care to do a v6 of this with the patches that everyone has finally
> > agreed on?
> 
> I already sent v6.
> https://lkml.org/lkml/2013/1/29/680

Greg, If you have a trouble to merge it, let me know it.
Will resend it when linux-next comes in.

Thanks.
-- 
Kind regards,
Minchan Kim

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WARNING: multiple messages have this Message-ID (diff)
From: Minchan Kim <minchan@kernel.org>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	Dan Magenheimer <dan.magenheimer@oracle.com>,
	Nitin Gupta <ngupta@vflare.org>,
	Konrad Rzeszutek Wilk <konrad@darnok.org>,
	Seth Jennings <sjenning@linux.vnet.ibm.com>,
	Pekka Enberg <penberg@cs.helsinki.fi>,
	stable@vger.kernel.org, Jerome Marchand <jmarchan@redhat.com>
Subject: Re: [RESEND PATCH v5 1/4] zram: Fix deadlock bug in partial write
Date: Thu, 31 Jan 2013 14:41:23 +0900	[thread overview]
Message-ID: <20130131054123.GE23548@blaptop> (raw)
In-Reply-To: <20130130082112.GA23548@blaptop>

On Wed, Jan 30, 2013 at 05:21:12PM +0900, Minchan Kim wrote:
> Hi Greg,
> 
> On Tue, Jan 29, 2013 at 11:20:06PM -0500, Greg Kroah-Hartman wrote:
> > On Mon, Jan 28, 2013 at 09:38:23AM +0900, Minchan Kim wrote:
> > > Now zram allocates new page with GFP_KERNEL in zram I/O path
> > > if IO is partial. Unfortunately, It may cuase deadlock with
> > > reclaim path so this patch solves the problem.
> > > 
> > > Cc: stable@vger.kernel.org
> > > Cc: Jerome Marchand <jmarchan@redhat.com>
> > > Acked-by: Nitin Gupta <ngupta@vflare.org>
> > > Signed-off-by: Minchan Kim <minchan@kernel.org>
> > > ---
> > >  drivers/staging/zram/zram_drv.c |    4 ++--
> > >  1 file changed, 2 insertions(+), 2 deletions(-)
> > 
> > Due to the discussion on this series, I don't know what patch to apply,
> > so care to do a v6 of this with the patches that everyone has finally
> > agreed on?
> 
> I already sent v6.
> https://lkml.org/lkml/2013/1/29/680

Greg, If you have a trouble to merge it, let me know it.
Will resend it when linux-next comes in.

Thanks.
-- 
Kind regards,
Minchan Kim

  reply	other threads:[~2013-01-31  5:41 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-28  0:38 [RESEND PATCH v5 1/4] zram: Fix deadlock bug in partial write Minchan Kim
2013-01-28  0:38 ` Minchan Kim
2013-01-28  0:38 ` [RESEND PATCH v5 2/4] zram: force disksize setting before using zram Minchan Kim
2013-01-28  0:38   ` Minchan Kim
2013-01-28  0:38 ` [RESEND PATCH v5 3/4] zram: give up lazy initialization of zram metadata Minchan Kim
2013-01-28  0:38   ` Minchan Kim
2013-01-28  0:38 ` [RESEND PATCH v5 4/4] zram: get rid of lockdep warning Minchan Kim
2013-01-28  0:38   ` Minchan Kim
2013-01-28  7:16 ` [RESEND PATCH v5 1/4] zram: Fix deadlock bug in partial write Pekka Enberg
2013-01-28  7:16   ` Pekka Enberg
2013-01-28 11:24   ` Jerome Marchand
2013-01-28 11:24     ` Jerome Marchand
2013-01-28 13:26     ` Pekka Enberg
2013-01-28 13:26       ` Pekka Enberg
2013-01-28 13:47       ` Jerome Marchand
2013-01-28 13:47         ` Jerome Marchand
2013-01-28 23:21   ` Minchan Kim
2013-01-28 23:21     ` Minchan Kim
2013-01-29  7:11     ` Pekka Enberg
2013-01-29  7:11       ` Pekka Enberg
2013-01-30  1:32       ` Minchan Kim
2013-01-30  1:32         ` Minchan Kim
2013-01-30  4:20 ` Greg Kroah-Hartman
2013-01-30  4:20   ` Greg Kroah-Hartman
2013-01-30  8:21   ` Minchan Kim
2013-01-30  8:21     ` Minchan Kim
2013-01-31  5:41     ` Minchan Kim [this message]
2013-01-31  5:41       ` Minchan Kim

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