From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Subject: Re: [PATCH v5 0/6] Fix races between blkcg code and request queue initialization and cleanup To: Bart Van Assche Cc: linux-block@vger.kernel.org, Christoph Hellwig References: <20180228181533.29402-1-bart.vanassche@wdc.com> From: Jens Axboe Message-ID: <5fe43ee3-2982-6d6d-2461-519fa02d00cd@kernel.dk> Date: Wed, 28 Feb 2018 11:19:15 -0700 MIME-Version: 1.0 In-Reply-To: <20180228181533.29402-1-bart.vanassche@wdc.com> Content-Type: text/plain; charset=utf-8 List-ID: On 2/28/18 11:15 AM, Bart Van Assche wrote: > Hello Jens, > > Recently Joseph Qi identified races between the block cgroup code and request > queue initialization and cleanup. This patch series address these races. > > This patch series is structured as follows: > - Patches 3..6 fix the aforementioned races. > - Patches 1..3 ensure that all maintained block drivers delete the gendisk > before cleaning up the request queue because patches 3..6 are only safe > if block driver shutdown uses this order. The gdrom driver (Sega Dreamcast > GD-ROM driver) has not been modified because from what I saw in the changelog > of this driver it seems to me like that driver is no longer in use. According > to what I found on the web production of Sega Dreamcast was stopped in 2001 > (https://www.theguardian.com/business/2001/feb/01/4). > > Please consider these patches for kernel v4.17. Didn't Ming ack the first three? -- Jens Axboe