Re: [PATCH 07/12] bdi: remove BDI_CAP_CGROUP_WRITEBACK

From: David Sterba <hidden>
Date: 2020-09-16 09:29:33
Also in: cgroups, dm-devel, linux-block, linux-fsdevel, linux-mm, lkml
Reply to: Christoph Hellwig, 2020-09-10

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 <redacted>

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

Christoph Hellwig · 2020-09-10
[PATCH 03/12] drbd: remove RB_CONGESTED_REMOTE · Christoph Hellwig · 2020-09-10
Re: [PATCH 03/12] drbd: remove RB_CONGESTED_REMOTE · Jan Kara · 2020-09-17
Re: [PATCH 03/12] drbd: remove RB_CONGESTED_REMOTE · Christoph Hellwig · 2020-09-19
[PATCH 11/12] bdi: invert BDI_CAP_NO_ACCT_WB · Christoph Hellwig · 2020-09-10
Re: [PATCH 11/12] bdi: invert BDI_CAP_NO_ACCT_WB · Jan Kara · 2020-09-17
[PATCH 12/12] bdi: replace BDI_CAP_NO_{WRITEBACK,ACCT_DIRTY} with a single flag · Christoph Hellwig · 2020-09-10
Re: [PATCH 12/12] bdi: replace BDI_CAP_NO_{WRITEBACK,ACCT_DIRTY} with a single flag · Jan Kara · 2020-09-17
[PATCH 09/12] mm: use SWP_SYNCHRONOUS_IO more intelligently · Christoph Hellwig · 2020-09-10
Re: [PATCH 09/12] mm: use SWP_SYNCHRONOUS_IO more intelligently · Jan Kara · 2020-09-17
[PATCH 08/12] bdi: remove BDI_CAP_SYNCHRONOUS_IO · Christoph Hellwig · 2020-09-10
Re: [PATCH 08/12] bdi: remove BDI_CAP_SYNCHRONOUS_IO · Jan Kara · 2020-09-17
[PATCH 10/12] bdi: replace BDI_CAP_STABLE_WRITES with a queue and a sb flag · Christoph Hellwig · 2020-09-10
Re: [PATCH 10/12] bdi: replace BDI_CAP_STABLE_WRITES with a queue and a sb flag · Jan Kara · 2020-09-17
Re: [PATCH 10/12] bdi: replace BDI_CAP_STABLE_WRITES with a queue and a sb flag · Christoph Hellwig · 2020-09-19
[PATCH 06/12] block: lift setting the readahead size into the block layer · Christoph Hellwig · 2020-09-10
Re: [PATCH 06/12] block: lift setting the readahead size into the block layer · Jan Kara · 2020-09-17
Re: [PATCH 06/12] block: lift setting the readahead size into the block layer · Christoph Hellwig · 2020-09-19
[PATCH 05/12] md: update the optimal I/O size on reshape · Christoph Hellwig · 2020-09-10
Re: [PATCH 05/12] md: update the optimal I/O size on reshape · Song Liu · 2020-09-12
[PATCH 04/12] bdi: initialize ->ra_pages and ->io_pages in bdi_init · Christoph Hellwig · 2020-09-10
Re: [PATCH 04/12] bdi: initialize ->ra_pages and ->io_pages in bdi_init · Jan Kara · 2020-09-17
Re: [PATCH 04/12] bdi: initialize ->ra_pages and ->io_pages in bdi_init · Christoph Hellwig · 2020-09-19
[PATCH 07/12] bdi: remove BDI_CAP_CGROUP_WRITEBACK · Christoph Hellwig · 2020-09-10
Re: [PATCH 07/12] bdi: remove BDI_CAP_CGROUP_WRITEBACK · David Sterba · 2020-09-16
Re: [PATCH 07/12] bdi: remove BDI_CAP_CGROUP_WRITEBACK · Jan Kara · 2020-09-17
[PATCH 02/12] drbd: remove dead code in device_to_statistics · Christoph Hellwig · 2020-09-10
Re: [PATCH 02/12] drbd: remove dead code in device_to_statistics · Jan Kara · 2020-09-17
[PATCH 01/12] fs: remove the unused SB_I_MULTIROOT flag · Christoph Hellwig · 2020-09-10
Re: [PATCH 01/12] fs: remove the unused SB_I_MULTIROOT flag · Jan Kara · 2020-09-17
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