dm-devel.redhat.com archive mirror
 help / color / mirror / Atom feed
From: David Sterba <dsterba-AlSwsSmVLrQ@public.gmane.org>
To: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
Cc: Jens Axboe <axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>,
	Song Liu <song-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Hans de Goede <hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	Richard Weinberger <richard-/L3Ra7n9ekc@public.gmane.org>,
	Minchan Kim <minchan-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	linux-mtd-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	dm-devel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
	linux-block-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	drbd-dev-/sHSiTBGKwq//tTphpj/8g@public.gmane.org,
	linux-raid-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org,
	cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Johannes Thumshirn
	<johannes.thumshirn-Sjgp3cTcYWE@public.gmane.org>
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-jcswGhMUV9g@public.gmane.org>

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-jcswGhMUV9g@public.gmane.org>
> Reviewed-by: Johannes Thumshirn <johannes.thumshirn-Sjgp3cTcYWE@public.gmane.org>

Acked-by: David Sterba <dsterba-IBi9RG/b67k@public.gmane.org>

  parent reply	other threads:[~2020-09-16  9:28 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-10 14:48 bdi cleanups v4 Christoph Hellwig
     [not found] ` <20200910144833.742260-1-hch-jcswGhMUV9g@public.gmane.org>
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
     [not found]     ` <20200910144833.742260-3-hch-jcswGhMUV9g@public.gmane.org>
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
     [not found]       ` <20200917095507.GJ7347-4I4JzKEfoa/jFM9bn6wA6Q@public.gmane.org>
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
     [not found]     ` <20200910144833.742260-5-hch-jcswGhMUV9g@public.gmane.org>
2020-09-17 10:04       ` Jan Kara
2020-09-19  7:01         ` Christoph Hellwig
2020-09-10 14:48   ` [PATCH 07/12] bdi: remove BDI_CAP_CGROUP_WRITEBACK Christoph Hellwig
     [not found]     ` <20200910144833.742260-8-hch-jcswGhMUV9g@public.gmane.org>
2020-09-16  9:28       ` David Sterba [this message]
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 11/12] bdi: invert BDI_CAP_NO_ACCT_WB Christoph Hellwig
     [not found]     ` <20200910144833.742260-12-hch-jcswGhMUV9g@public.gmane.org>
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
     [not found]     ` <20200910144833.742260-13-hch-jcswGhMUV9g@public.gmane.org>
2020-09-17  9:31       ` Jan Kara
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
     [not found]   ` <20200910144833.742260-7-hch-jcswGhMUV9g@public.gmane.org>
2020-09-17 10:35     ` Jan Kara
2020-09-19  7:31       ` Christoph Hellwig
2020-09-10 14:48 ` [PATCH 08/12] bdi: remove BDI_CAP_SYNCHRONOUS_IO Christoph Hellwig
     [not found]   ` <20200910144833.742260-9-hch-jcswGhMUV9g@public.gmane.org>
2020-09-17  9:36     ` 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
     [not found]     ` <20200917092524.GC7347-4I4JzKEfoa/jFM9bn6wA6Q@public.gmane.org>
2020-09-19  6:51       ` Christoph Hellwig
2020-09-15 15:18 bdi cleanups v5 Christoph Hellwig
     [not found] ` <20200915151829.1767176-1-hch-jcswGhMUV9g@public.gmane.org>
2020-09-15 15:18   ` [PATCH 07/12] bdi: remove BDI_CAP_CGROUP_WRITEBACK Christoph Hellwig

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200916092809.GJ1791@twin.jikos.cz \
    --to=dsterba-alswssmvlrq@public.gmane.org \
    --cc=axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org \
    --cc=cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=dm-devel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org \
    --cc=drbd-dev-/sHSiTBGKwq//tTphpj/8g@public.gmane.org \
    --cc=hch-jcswGhMUV9g@public.gmane.org \
    --cc=hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org \
    --cc=johannes.thumshirn-Sjgp3cTcYWE@public.gmane.org \
    --cc=linux-block-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org \
    --cc=linux-mtd-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org \
    --cc=linux-raid-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=minchan-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org \
    --cc=richard-/L3Ra7n9ekc@public.gmane.org \
    --cc=song-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).