Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Date:   Mon, 1 Nov 2021 08:28:13 +0800
From:   Ming Lei <ming.lei@redhat.com>
To:     Minchan Kim <minchan@kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Jens Axboe <axboe@kernel.dk>
Cc:     linux-block@vger.kernel.org, Luis Chamberlain <mcgrof@kernel.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        linux-kernel@vger.kernel.org, ming.lei@redhat.com
Subject: Re: [PATCH V3 0/4] zram: fix two races and one zram leak
Message-ID: <YX80nS0ypqCytdwC@T590>
References: <20211025025426.2815424-1-ming.lei@redhat.com>
 <YXbbj7KhgAkgByp1@google.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <YXbbj7KhgAkgByp1@google.com>
Precedence: bulk

Hello Andrew Morton and Jens,

On Mon, Oct 25, 2021 at 09:30:07AM -0700, Minchan Kim wrote:
> On Mon, Oct 25, 2021 at 10:54:22AM +0800, Ming Lei wrote:
> > Hello,
> > 
> > Fixes three issues reported by Luis Chamberlain with one simpler approach:
> > 
> > - race between between zram_reset_device() and disksize_store() (1/4)
> > 
> > - zram leak during unloading module, which is one race between resetting
> > and removing device (2/4)
> > 
> > - race between zram_remove and disksize_store (3/4)
> > 
> > Also replace replace fsync_bdev with sync_blockdev since no one opens
> > it.(4/4)
> > 
> > V3:
> > 	- no code change
> > 	- update commit log or comment as Luis suggested
> > 	- add reviewed-by tag
> > 
> > V2:
> > 	- take another approach to avoid failing of zram_remove()
> > 	- add patch to address race between zram_reset_device() and
> > 	  disksize_store()
> > 
> > 
> > Ming Lei (4):
> >   zram: fix race between zram_reset_device() and disksize_store()
> >   zram: don't fail to remove zram during unloading module
> >   zram: avoid race between zram_remove and disksize_store
> >   zram: replace fsync_bdev with sync_blockdev
> 
> Andrew Morton usually takes zram patches so Ccing him.
> 
> Acked-by: Minchan Kim <minchan@kernel.org>
> 
> for all patches in this thread.
 
Any chance to make it in v5.16?

Thanks,
Ming