From: Ted Ts'o <tytso@mit.edu>
To: Jan Kara <jack@suse.cz>
Cc: Tao Ma <tm@tao.ma>,
linux-ext4@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] ext3: Remove the obsolete broken EXT3_IOC32_WAIT_FOR_READONLY.
Date: Sat, 8 Oct 2011 16:52:35 -0400 [thread overview]
Message-ID: <20111008205235.GL7948@thunk.org> (raw)
In-Reply-To: <20111007221233.GD30754@quack.suse.cz>
On Sat, Oct 08, 2011 at 12:12:33AM +0200, Jan Kara wrote:
> On Fri 07-10-11 23:21:18, Tao Ma wrote:
> > From: Tao Ma <boyu.mt@taobao.com>
> >
> > There are no user of EXT3_IOC32_WAIT_FOR_READONLY and also it is
> > broken. No one set the set_ro_timer, no one wake up us and our
> > state is set to TASK_INTERRUPTIBLE not RUNNING. So remove it.
> Hmm, I vaguely recall Andrew had some debugging patches which were using
> turn_ro_timer and this functionality. But I'm not sure if they are still
> usable or if they still make sense when one can easily test crashing using
> virtual machines... Andrew?
That's why I decided to accept the corresponding patch for ext4; if
the rest of debugging patch is out-of-tree, then might as well have it
all out-of-tree --- and killall qemu is probably a better way of
testing this anyway.
- Ted
next prev parent reply other threads:[~2011-10-08 20:52 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-07 15:21 [PATCH] ext3: Remove the obsolete broken EXT3_IOC32_WAIT_FOR_READONLY Tao Ma
2011-10-07 22:12 ` Jan Kara
2011-10-08 20:52 ` Ted Ts'o [this message]
2011-10-10 16:27 ` Jan Kara
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