From: Al Viro <viro@ZenIV.linux.org.uk>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Miklos Szeredi <mszeredi@suse.cz>,
linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
Toshiyuki Okajima <toshi.okajima@jp.fujitsu.com>
Subject: Re: [git pull] vfs pile 1
Date: Sun, 8 Jan 2012 23:53:38 +0000 [thread overview]
Message-ID: <20120108235338.GR23916@ZenIV.linux.org.uk> (raw)
In-Reply-To: <20120108235039.GQ23916@ZenIV.linux.org.uk>
On Sun, Jan 08, 2012 at 11:50:40PM +0000, Al Viro wrote:
> WTF is ext4_symlink() doing in case of long symlinks? Look:
> drop_nlink(inode);
> err = ext4_orphan_add(handle, inode);
> ext4_journal_stop(handle);
> [write symlink body]
> inc_nlink(inode);
> err = ext4_orphan_del(handle, inode);
> oh, I see... The comment above that re deadlocks and inability to do that
> in a single transaction ;-/
>
> OK, try this; that's equivalent to what they are doing and will not WARN_ON();
> I hadn't checked other filesystems for similar tricks yet, so this has a good
> chance of being incomplete.
... and sure enough, ext3 has the same piece of fun.
next prev parent reply other threads:[~2012-01-08 23:53 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-05 2:23 [git pull] vfs pile 1 Al Viro
2012-01-08 23:04 ` Linus Torvalds
2012-01-08 23:50 ` Al Viro
2012-01-08 23:53 ` Al Viro [this message]
2012-01-09 0:11 ` Linus Torvalds
2012-01-09 0:25 ` Al Viro
2012-01-09 0:39 ` Linus Torvalds
2012-01-09 2:12 ` Al Viro
2012-01-09 15:11 ` Ted Ts'o
2012-01-11 11:58 ` Christoph Hellwig
2012-01-11 12:36 ` Miklos Szeredi
2012-01-11 12:40 ` Christoph Hellwig
2012-01-11 13:12 ` Miklos Szeredi
2012-01-11 15:23 ` Ted Ts'o
2012-01-11 16:19 ` Al Viro
2012-01-12 11:41 ` Miklos Szeredi
-- strict thread matches above, loose matches on Subject: below --
2018-06-04 0:59 [git pull] vfs, " Al Viro
2016-12-16 13:30 [git pull] vfs " Al Viro
2015-09-06 2:55 Al Viro
2015-06-22 6:47 Al Viro
2014-01-27 14:25 Al Viro
2014-01-27 23:05 ` Stephen Rothwell
2014-01-29 3:26 ` Linus Torvalds
2014-01-29 13:37 ` Jan Kara
2014-01-30 2:02 ` Kim Jaegeuk
2014-01-30 15:26 ` Jan Kara
2014-01-30 13:07 ` Christoph Hellwig
2013-02-27 3:24 Al Viro
2012-03-21 3:31 Al Viro
2011-05-26 11:53 Al Viro
2011-01-13 5:35 Al Viro
2011-01-13 6:25 ` Stephen Rothwell
2011-01-13 8:55 ` Christoph Hellwig
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