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From: David Sterba <dsterba@suse.cz>
To: Christoph Hellwig <hch@lst.de>
Cc: Jens Axboe <axboe@kernel.dk>, Song Liu <song@kernel.org>,
	Hans de Goede <hdegoede@redhat.com>,
	Richard Weinberger <richard@nod.at>,
	Minchan Kim <minchan@kernel.org>,
	linux-mtd@lists.infradead.org, dm-devel@redhat.com,
	linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
	drbd-dev@tron.linbit.com, linux-raid@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
	cgroups@vger.kernel.org,
	Johannes Thumshirn <johannes.thumshirn@wdc.com>
Subject: Re: [PATCH 07/12] bdi: remove BDI_CAP_CGROUP_WRITEBACK
Date: Wed, 16 Sep 2020 11:28:09 +0200	[thread overview]
Message-ID: <20200916092809.GJ1791@twin.jikos.cz> (raw)
In-Reply-To: <20200910144833.742260-8-hch@lst.de>

On Thu, Sep 10, 2020 at 04:48:27PM +0200, Christoph Hellwig wrote:
> Just checking SB_I_CGROUPWB for cgroup writeback support is enough.
> Either the file system allocates its own bdi (e.g. btrfs), in which case
> it is known to support cgroup writeback, or the bdi comes from the block
> layer, which always supports cgroup writeback.
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>

Acked-by: David Sterba <dsterba@suse.com>

  reply	other threads:[~2020-09-16  9:29 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-10 14:48 bdi cleanups v4 Christoph Hellwig
2020-09-10 14:48 ` [PATCH 01/12] fs: remove the unused SB_I_MULTIROOT flag Christoph Hellwig
2020-09-17  9:41   ` Jan Kara
2020-09-10 14:48 ` [PATCH 02/12] drbd: remove dead code in device_to_statistics Christoph Hellwig
2020-09-17  9:46   ` Jan Kara
2020-09-10 14:48 ` [PATCH 03/12] drbd: remove RB_CONGESTED_REMOTE Christoph Hellwig
2020-09-17  9:55   ` Jan Kara
2020-09-19  6:58     ` Christoph Hellwig
2020-09-10 14:48 ` [PATCH 04/12] bdi: initialize ->ra_pages and ->io_pages in bdi_init Christoph Hellwig
2020-09-17 10:04   ` Jan Kara
2020-09-19  7:01     ` Christoph Hellwig
2020-09-10 14:48 ` [PATCH 05/12] md: update the optimal I/O size on reshape Christoph Hellwig
2020-09-12  6:17   ` Song Liu
2020-09-10 14:48 ` [PATCH 06/12] block: lift setting the readahead size into the block layer Christoph Hellwig
2020-09-17 10:35   ` Jan Kara
2020-09-19  7:31     ` Christoph Hellwig
2020-09-10 14:48 ` [PATCH 07/12] bdi: remove BDI_CAP_CGROUP_WRITEBACK Christoph Hellwig
2020-09-16  9:28   ` David Sterba [this message]
2020-09-17  9:36   ` Jan Kara
2020-09-10 14:48 ` [PATCH 08/12] bdi: remove BDI_CAP_SYNCHRONOUS_IO Christoph Hellwig
2020-09-17  9:36   ` Jan Kara
2020-09-10 14:48 ` [PATCH 09/12] mm: use SWP_SYNCHRONOUS_IO more intelligently Christoph Hellwig
2020-09-17  9:06   ` Jan Kara
2020-09-10 14:48 ` [PATCH 10/12] bdi: replace BDI_CAP_STABLE_WRITES with a queue and a sb flag Christoph Hellwig
2020-09-17  9:25   ` Jan Kara
2020-09-19  6:51     ` Christoph Hellwig
2020-09-10 14:48 ` [PATCH 11/12] bdi: invert BDI_CAP_NO_ACCT_WB Christoph Hellwig
2020-09-17  9:27   ` Jan Kara
2020-09-10 14:48 ` [PATCH 12/12] bdi: replace BDI_CAP_NO_{WRITEBACK,ACCT_DIRTY} with a single flag Christoph Hellwig
2020-09-17  9:31   ` Jan Kara
2020-09-15 15:18 bdi cleanups v5 Christoph Hellwig
2020-09-15 15:18 ` [PATCH 07/12] bdi: remove BDI_CAP_CGROUP_WRITEBACK Christoph Hellwig

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