linux-ext4 - Re: [PATCH 00/19 v5] Fix filesystem freezing deadlocks

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Message-ID: <4F8E0EFF.4090007@csamuel.org>
Date:	Wed, 18 Apr 2012 10:46:55 +1000
From:	Chris Samuel <chris@...muel.org>
To:	Andreas Dilger <adilger@...mcloud.com>
CC:	Dave Chinner <david@...morbit.com>, Jan Kara <jack@...e.cz>,
	Al Viro <viro@...IV.linux.org.uk>, dchinner@...hat.com,
	LKML <linux-kernel@...r.kernel.org>,
	linux-fsdevel@...r.kernel.org, Alex Elder <elder@...nel.org>,
	Anton Altaparmakov <anton@...era.com>, Ben Myers <bpm@....com>,
	Chris Mason <chris.mason@...cle.com>, cluster-devel@...hat.com,
	"David S. Miller" <davem@...emloft.net>,
	fuse-devel@...ts.sourceforge.net,
	"J. Bruce Fields" <bfields@...ldses.org>,
	Joel Becker <jlbec@...lplan.org>,
	KONISHI Ryusuke <konishi.ryusuke@....ntt.co.jp>,
	linux-btrfs@...r.kernel.org, linux-ext4@...r.kernel.org,
	linux-nfs@...r.kernel.org, linux-nilfs@...r.kernel.org,
	linux-ntfs-dev@...ts.sourceforge.net,
	Mark Fasheh <mfasheh@...e.com>,
	Miklos Szeredi <miklos@...redi.hu>, ocfs2-devel@....oracle.com,
	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>,
	Steven Whitehouse <swhiteho@...hat.com>,
	Theodore Ts'o <tytso@....edu>, xfs@....sgi.com
Subject: Re: [PATCH 00/19 v5] Fix filesystem freezing deadlocks

On 17/04/12 15:10, Andreas Dilger wrote:

> (which IMHO would prevent nearly every Gnome system from freezing unless these
> apps have changed their behaviour in more recent releases).

It would also affect current KDE desktops as they tend to use MySQL for
Akonadi & Nepomuk, plus anyone using Chromium (and presumably Chrome):

samuel@...s:/tmp$ sudo lsof | grep deleted | awk '{print $1}' | sort |
uniq -c
[sudo] password for samuel:
     32 chromium-
      1 dovecot
      5 imap-logi
      5 mysqld

I would be surprised if you could find many systems that didn't have
files in this situation.

-- 
 Chris Samuel  :  http://www.csamuel.org/  :  Melbourne, VIC
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