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From: Al Viro <viro@ZenIV.linux.org.uk>
To: Ted Ts'o <tytso@mit.edu>
Cc: Nick Piggin <npiggin@kernel.dk>,
	Eric Sandeen <sandeen@redhat.com>, Jan Kara <jack@suse.cz>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org,
	linux-btrfs@vger.kernel.org
Subject: Re: [patch] fix up lock order reversal in writeback
Date: Thu, 18 Nov 2010 18:53:50 +0000	[thread overview]
Message-ID: <20101118185350.GD19804@ZenIV.linux.org.uk> (raw)
In-Reply-To: <20101118030613.GQ3290@thunk.org>

On Wed, Nov 17, 2010 at 10:06:13PM -0500, Ted Ts'o wrote:

> This makes sense to me as well.
> 
> Acked-by: "Theodore Ts'o" <tytso@mit.edu>
> 
> So how do we want to send this patch to Linus?  It's a writeback
> change, so through some mm tree?  Or it lives in fs/fs-writeback.c
> (which I always thought was weird; why is it not in mm/?), so maybe
> through the VFS tree, even though I don't think Al would really care
> about this patch.

As in "don't really like", TBH.  I'll take it (with saner commit message
and comment in the source), but I really wonder if we are just asking for
more trouble down the road.

Specifically, I *really* want to see locking rules for that sucker
spelled out.  What can be held by caller?

  parent reply	other threads:[~2010-11-18 18:54 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-16 11:00 [patch] fix up lock order reversal in writeback Nick Piggin
2010-11-16 13:01 ` Jan Kara
2010-11-17  4:30   ` Eric Sandeen
2010-11-17  4:38     ` Nick Piggin
2010-11-17  5:05       ` Eric Sandeen
2010-11-17  6:10         ` Nick Piggin
2010-11-18  3:06           ` Ted Ts'o
2010-11-18  3:29             ` Andrew Morton
2010-11-18  6:00               ` Nick Piggin
2010-11-18  6:28                 ` Andrew Morton
2010-11-18  8:18                   ` Nick Piggin
2010-11-18 10:51                     ` Theodore Tso
2010-11-18 17:58                     ` Andrew Morton
2010-11-19  5:10                       ` Nick Piggin
2010-11-19 12:07                         ` Theodore Tso
2010-11-18 14:55                   ` Eric Sandeen
2010-11-18 17:10                     ` Andrew Morton
2010-11-18 18:04                       ` Eric Sandeen
2010-11-18 18:24                         ` Eric Sandeen
2010-11-18 18:39                           ` Chris Mason
2010-11-18 18:36                         ` Andrew Morton
2010-11-18 18:51                           ` Chris Mason
2010-11-18 20:22                             ` Andrew Morton
2010-11-18 20:36                               ` Chris Mason
2010-11-18 19:02                           ` Eric Sandeen
2010-11-18 20:17                             ` Andrew Morton
2010-11-18 18:33                   ` Chris Mason
2010-11-18 23:58                     ` Jan Kara
2010-11-19  0:45                   ` Jan Kara
2010-11-19  5:16                     ` Nick Piggin
2010-11-22 18:16                       ` Jan Kara
2010-11-23  8:07                         ` Nick Piggin
2010-11-23 13:32                           ` Jan Kara
2010-11-23  8:15                         ` Nick Piggin
2010-11-18 18:53             ` Al Viro [this message]
2010-11-18  3:18           ` Eric Sandeen
2010-11-22 23:43             ` Andrew Morton
2010-11-16 20:32 ` Andrew Morton
2010-11-17  3:56   ` Nick Piggin

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