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Re: 3.14-rc2 XFS backtrace because irqs_disabled.

To: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Subject: Re: 3.14-rc2 XFS backtrace because irqs_disabled.
From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Date: Fri, 14 Feb 2014 16:18:01 +0000
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>, Oleg Nesterov <oleg@xxxxxxxxxx>, Dave Jones <davej@xxxxxxxxxx>, Eric Sandeen <sandeen@xxxxxxxxxxx>, Linux Kernel <linux-kernel@xxxxxxxxxxxxxxx>, xfs@xxxxxxxxxxx
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <20140214161623.GU18016@xxxxxxxxxxxxxxxxxx>
References: <20140212040358.GA25327@xxxxxxxxxx> <20140212042215.GN18016@xxxxxxxxxxxxxxxxxx> <20140212054043.GB13997@dastard> <CA+55aFxy2t7bnCUc-DhhxYxsZ0+GwL9GuQXRYtE_VzqZusmB9A@xxxxxxxxxxxxxx> <20140212113928.GO18016@xxxxxxxxxxxxxxxxxx> <CA+55aFywwx0Q8xK2GJiRJ+FV7PQEKoBRxDUxW4052FVyd5XOpg@xxxxxxxxxxxxxx> <20140212211421.GP18016@xxxxxxxxxxxxxxxxxx> <CA+55aFyobyUNFo=3rpdbxTqgV7OQetCKbCfwEEbgxUcT-1+30w@xxxxxxxxxxxxxx> <20140214161302.GA16416@xxxxxxxxxxxxx> <20140214161623.GU18016@xxxxxxxxxxxxxxxxxx>
Sender: Al Viro <viro@xxxxxxxxxxxxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
On Fri, Feb 14, 2014 at 04:16:24PM +0000, Al Viro wrote:
> FWIW, there's a funny situation - all users of dequeue_signal_lock()
> actually ignore info completely.  I'm not saying that we ought to
> stop returning it, but e.g. jbd part of that patch is simply

s/jbd/jffs2/, obviously.  Sorry...  And yes, nbd and usb_storage are the
same story.

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