linux-kernel - Re: nfs4_do_reclaim lockdep pop in v3.15.0-rc1

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Message-ID: <20140603104823.GU11096@twins.programming.kicks-ass.net>
Date:	Tue, 3 Jun 2014 12:48:23 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Trond Myklebust <trond.myklebust@...marydata.com>
Cc:	John Stultz <john.stultz@...aro.org>,
	Jeff Layton <jeff.layton@...marydata.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux NFS Mailing List <linux-nfs@...r.kernel.org>,
	Linux Kernel mailing list <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: nfs4_do_reclaim lockdep pop in v3.15.0-rc1

On Mon, Jun 02, 2014 at 08:59:21PM -0400, Trond Myklebust wrote:
> 
> I can change the write seqcount to use raw_write_seqcount(), but that
> doesn't answer the question of why raw_seqcount_begin() is the _only_
> object out there with a "raw_" prefix, that doesn't explicitly disable
> lockdep checking.

raw_spinlock_t has lockdep too.. just to add to the confusion.



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