linux-kernel - Re: [PATCH] SCHED: remove proliferation of wait_on

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Message-ID: <20140513164552.GA5226@laptop.programming.kicks-ass.net>
Date:	Tue, 13 May 2014 18:45:52 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	David Howells <dhowells@...hat.com>
Cc:	NeilBrown <neilb@...e.de>, Oleg Nesterov <oleg@...hat.com>,
	Steven Whitehouse <swhiteho@...hat.com>, dm-devel@...hat.com,
	Chris Mason <clm@...com>, Josef Bacik <jbacik@...com>,
	Steve French <sfrench@...ba.org>,
	Theodore Ts'o <tytso@....edu>,
	Trond Myklebust <trond.myklebust@...marydata.com>,
	Ingo Molnar <mingo@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-nfs@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH] SCHED: remove proliferation of wait_on_bit action
 functions.

On Tue, May 13, 2014 at 05:06:10PM +0100, David Howells wrote:
> NeilBrown <neilb@...e.de> wrote:
> 
> > The wait_on_bit() call in __fscache_wait_on_invalidate() was ambiguous
> > as it specified TASK_UNINTERRUPTIBLE but used
> > fscache_wait_bit_interruptible as an action function.
> > As any error return is never checked I assumed that 'uninterruptible'
> > was correct.
> 
> Bug.  It should be uninterruptible in both places.

Thanks David, queued the patch!
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