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From: Tejun Heo <tj@kernel.org>
To: Nikolay Borisov <kernel@kyup.com>
Cc: Jens Axboe <axboe@kernel.dk>, Tahsin Erdogan <tahsin@google.com>,
	cgroups@vger.kernel.org, "Theodore Ts'o" <tytso@mit.edu>,
	Nauman Rafique <nauman@google.com>,
	linux-kernel@vger.kernel.org, Jan Kara <jack@suse.com>
Subject: Re: [PATCH block/for-4.5-fixes] writeback: keep superblock pinned during cgroup writeback association switches
Date: Thu, 18 Feb 2016 07:57:24 -0500	[thread overview]
Message-ID: <20160218125724.GD6479@mtj.duckdns.org> (raw)
In-Reply-To: <56C59918.70505@kyup.com>

On Thu, Feb 18, 2016 at 12:12:40PM +0200, Nikolay Borisov wrote:
> 
> 
> On 02/16/2016 08:24 PM, Tejun Heo wrote:
> > Signed-off-by: Tejun Heo <tj@kernel.org>
> > Reported-and-tested-by: Tahsin Erdogan <tahsin@google.com>
> > Link: http://lkml.kernel.org/g/CAAeU0aNCq7LGODvVGRU-oU_o-6enii5ey0p1c26D1ZzYwkDc5A@mail.gmail.com
> > Fixes: d10c80955265 ("writeback: implement foreign cgroup inode bdi_writeback switching")
> > Cc: stable@vger.kernel.org #v4.5+
> 
> Why is this tagged for 4.5+ since the commit in question was merged in 4.2?

Up until 4.5, the whole cgroup v2 interface is hidden behind a devel
flag and cgroup writeback can only be used through cgroup v2.

Thanks.

-- 
tejun

      reply	other threads:[~2016-02-18 12:57 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CAAeU0aNCq7LGODvVGRU-oU_o-6enii5ey0p1c26D1ZzYwkDc5A@mail.gmail.com>
     [not found] ` <20160215210047.GN3965@htj.duckdns.org>
     [not found]   ` <CAAeU0aNAd1Ra6LXmWwq8row4MD_BpVHiSXOwHx07m86UWREvHw@mail.gmail.com>
2016-02-16 18:24     ` [PATCH block/for-4.5-fixes] writeback: keep superblock pinned during cgroup writeback association switches Tejun Heo
2016-02-16 18:34       ` Jens Axboe
2016-02-17 20:57       ` Jan Kara
2016-02-17 21:07         ` Tejun Heo
2016-02-17 22:30           ` Jan Kara
2016-02-17 22:41             ` Tahsin Erdogan
2016-02-17 23:02               ` Tejun Heo
2016-02-18  9:55                 ` Jan Kara
2016-02-18 13:00                   ` Tejun Heo
2016-02-18 13:20                     ` Jan Kara
2016-02-19 20:18                     ` Al Viro
2016-02-19 20:51                       ` Tejun Heo
2016-02-19 21:58                         ` Al Viro
2016-02-19 22:15                           ` Tejun Heo
2016-02-19 22:26                             ` Al Viro
2016-02-28 21:53                               ` Tejun Heo
2016-02-29 20:47                 ` [PATCH block/for-linus] writeback: flush inode cgroup wb switches instead of pinning super_block Tejun Heo
2016-02-29 20:54                   ` Al Viro
2016-02-29 20:58                     ` Tejun Heo
2016-02-29 21:06                       ` Al Viro
2016-02-29 21:08                         ` Tejun Heo
2016-02-29 21:21                           ` Jan Kara
2016-02-29 23:28                   ` [PATCH v2 " Tejun Heo
2016-03-01  9:20                     ` Jan Kara
2016-03-01 17:46                     ` Jens Axboe
2016-03-01 17:50                       ` Tejun Heo
2016-03-02 10:29                         ` Jan Kara
2016-03-01 13:39                   ` [PATCH " Tahsin Erdogan
2016-02-18 10:12       ` [PATCH block/for-4.5-fixes] writeback: keep superblock pinned during cgroup writeback association switches Nikolay Borisov
2016-02-18 12:57         ` Tejun Heo [this message]

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