All of lore.kernel.org
 help / color / mirror / Atom feed
From: Kazuya Mio <k-mio@sx.jp.nec.com>
To: Jan Kara <jack@suse.cz>
Cc: ext4 <linux-ext4@vger.kernel.org>, Theodore Tso <tytso@mit.edu>,
	Andreas Dilger <adilger@dilger.ca>
Subject: Re: [BUG] aborted ext4 leads to inifinity loop in balance_dirty_pages
Date: Wed, 02 Nov 2011 14:24:01 +0900	[thread overview]
Message-ID: <4EB0D3F1.6020102@sx.jp.nec.com> (raw)
In-Reply-To: <20111101231342.GJ18701@quack.suse.cz>

2011/11/02 8:13, Jan Kara wrote:
>> The problem is that we cannot unmount the corrupted filesystem due to
>> un-killable dd process. We must bring down the system to resume the service
>> with no dirty pages. I think it is important for the service continuity
>> to be able to kill the thread handling in balance_dirty_pages().
>    Sure. Then allowing a process to be killed while waiting in
> balance_dirty_pages() would solve your problem. That can be done relatively
> easily. I can write the patch, just now the code is under rewrite from
> IO-less dirty throttling patches so I'll wait for a while for it to settle
> down.

Thanks for working this on.

Regards,
Kazuya Mio

  reply	other threads:[~2011-11-02  5:32 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-10-25 12:04 [BUG] aborted ext4 leads to inifinity loop in balance_dirty_pages Kazuya Mio
2011-10-25 13:40 ` Jan Kara
2011-10-28  5:34   ` Kazuya Mio
2011-11-01 23:13     ` Jan Kara
2011-11-02  5:24       ` Kazuya Mio [this message]
2011-11-07  8:00     ` Dmitry Monakhov
2011-11-07 17:29       ` Jan Kara
2011-11-07 17:45         ` Dmitry Monakhov
2011-11-07 21:23           ` Jan Kara
2011-11-08  0:03     ` Jan Kara
2011-11-09  8:28       ` Kazuya Mio
2011-11-09 11:15         ` Jan Kara
2011-11-14 10:06       ` Kazuya Mio
2011-11-14 11:11         ` Jan Kara

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=4EB0D3F1.6020102@sx.jp.nec.com \
    --to=k-mio@sx.jp.nec.com \
    --cc=adilger@dilger.ca \
    --cc=jack@suse.cz \
    --cc=linux-ext4@vger.kernel.org \
    --cc=tytso@mit.edu \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.