From: Vivek Goyal <vgoyal@redhat.com>
To: Fengguang Wu <fengguang.wu@intel.com>
Cc: Tejun Heo <tj@kernel.org>, Jan Kara <jack@suse.cz>,
Jens Axboe <axboe@kernel.dk>,
linux-mm@kvack.org, sjayaraman@suse.com, andrea@betterlinux.com,
jmoyer@redhat.com, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org, kamezawa.hiroyu@jp.fujitsu.com,
lizefan@huawei.com, containers@lists.linux-foundation.org,
cgroups@vger.kernel.org, ctalbott@google.com, rni@google.com,
lsf@lists.linux-foundation.org
Subject: Re: [RFC] writeback and cgroup
Date: Wed, 4 Apr 2012 14:35:29 -0400 [thread overview]
Message-ID: <20120404183528.GJ12676@redhat.com> (raw)
In-Reply-To: <20120404175124.GA8931@localhost>
On Wed, Apr 04, 2012 at 10:51:24AM -0700, Fengguang Wu wrote:
[..]
> The sweet split point would be for balance_dirty_pages() to do cgroup
> aware buffered write throttling and leave other IOs to the current
> blkcg. For this to work well as a total solution for end users, I hope
> we can cooperate and figure out ways for the two throttling entities
> to work well with each other.
Throttling read + direct IO, higher up has few issues too. Users will
not like that a task got blocked as it tried to submit a read from a
throttled group. Current async behavior works well where we queue up the
bio from the task in throttled group and let task do other things. Same
is true for AIO where we would not like to block in bio submission.
Thanks
Vivek
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2012-04-04 18:35 UTC|newest]
Thread overview: 81+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-03 18:36 [RFC] writeback and cgroup Tejun Heo
2012-04-04 14:51 ` Vivek Goyal
2012-04-04 15:36 ` [Lsf] " Steve French
2012-04-04 18:56 ` Tejun Heo
2012-04-04 19:19 ` Vivek Goyal
2012-04-25 8:47 ` Suresh Jayaraman
2012-04-04 18:49 ` Tejun Heo
2012-04-04 19:23 ` [Lsf] " Steve French
2012-04-14 12:15 ` Peter Zijlstra
2012-04-04 20:32 ` Vivek Goyal
2012-04-04 23:02 ` Tejun Heo
2012-04-05 16:38 ` Tejun Heo
2012-04-05 17:13 ` Vivek Goyal
2012-04-14 11:53 ` [Lsf] " Peter Zijlstra
2012-04-07 8:00 ` Jan Kara
2012-04-10 16:23 ` [Lsf] " Steve French
2012-04-10 18:16 ` Vivek Goyal
2012-04-10 18:06 ` Vivek Goyal
2012-04-10 21:05 ` Jan Kara
2012-04-10 21:20 ` Vivek Goyal
2012-04-10 22:24 ` Jan Kara
2012-04-11 15:40 ` Vivek Goyal
2012-04-11 15:45 ` Vivek Goyal
2012-04-11 17:05 ` Jan Kara
2012-04-11 17:23 ` Vivek Goyal
2012-04-11 19:44 ` Jan Kara
2012-04-17 21:48 ` Tejun Heo
2012-04-18 18:18 ` Vivek Goyal
2012-04-11 19:22 ` Jan Kara
2012-04-12 20:37 ` Vivek Goyal
2012-04-12 20:51 ` Tejun Heo
2012-04-14 14:36 ` Fengguang Wu
2012-04-16 14:57 ` Vivek Goyal
2012-04-24 11:33 ` Fengguang Wu
2012-04-24 14:56 ` Jan Kara
2012-04-24 15:58 ` Vivek Goyal
2012-04-25 2:42 ` Fengguang Wu
2012-04-25 3:16 ` Fengguang Wu
2012-04-25 9:01 ` Jan Kara
2012-04-25 12:05 ` Fengguang Wu
2012-04-15 11:37 ` [Lsf] " Peter Zijlstra
2012-04-17 22:01 ` Tejun Heo
2012-04-18 6:30 ` Jan Kara
2012-04-14 12:25 ` [Lsf] " Peter Zijlstra
2012-04-16 12:54 ` Vivek Goyal
2012-04-16 13:07 ` Fengguang Wu
2012-04-16 14:19 ` Fengguang Wu
2012-04-16 15:52 ` Vivek Goyal
2012-04-17 2:14 ` Fengguang Wu
2012-04-04 17:51 ` Fengguang Wu
2012-04-04 18:35 ` Vivek Goyal [this message]
2012-04-04 21:42 ` Fengguang Wu
2012-04-05 15:10 ` Vivek Goyal
2012-04-06 0:32 ` Fengguang Wu
2012-04-04 19:33 ` Tejun Heo
2012-04-04 20:18 ` Vivek Goyal
2012-04-05 16:31 ` Tejun Heo
2012-04-05 17:09 ` Vivek Goyal
2012-04-06 9:59 ` Fengguang Wu
2012-04-17 22:38 ` Tejun Heo
2012-04-19 14:23 ` Fengguang Wu
2012-04-19 18:31 ` Vivek Goyal
2012-04-20 12:45 ` Fengguang Wu
2012-04-20 19:29 ` Vivek Goyal
2012-04-20 21:33 ` Tejun Heo
2012-04-22 14:26 ` Fengguang Wu
2012-04-23 12:30 ` Vivek Goyal
2012-04-23 16:04 ` Tejun Heo
2012-04-19 20:26 ` Jan Kara
2012-04-20 13:34 ` Fengguang Wu
2012-04-20 19:08 ` Tejun Heo
2012-04-22 14:46 ` Fengguang Wu
2012-04-23 16:56 ` Tejun Heo
2012-04-24 7:58 ` Fengguang Wu
2012-04-25 15:47 ` Tejun Heo
2012-04-23 9:14 ` Jan Kara
2012-04-23 10:24 ` Fengguang Wu
2012-04-23 12:42 ` Jan Kara
2012-04-23 14:31 ` Fengguang Wu
2012-04-18 6:57 ` Jan Kara
2012-04-18 7:58 ` Fengguang Wu
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=20120404183528.GJ12676@redhat.com \
--to=vgoyal@redhat.com \
--cc=andrea@betterlinux.com \
--cc=axboe@kernel.dk \
--cc=cgroups@vger.kernel.org \
--cc=containers@lists.linux-foundation.org \
--cc=ctalbott@google.com \
--cc=fengguang.wu@intel.com \
--cc=jack@suse.cz \
--cc=jmoyer@redhat.com \
--cc=kamezawa.hiroyu@jp.fujitsu.com \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=lizefan@huawei.com \
--cc=lsf@lists.linux-foundation.org \
--cc=rni@google.com \
--cc=sjayaraman@suse.com \
--cc=tj@kernel.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).