linux-kernel - Re: [ext4] e2ae766c1b: BUG:sleeping_function_called_from_invalid_context_at

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Message-ID: <20161213084748.GA15362@quack2.suse.cz>
Date:   Tue, 13 Dec 2016 09:47:48 +0100
From:   Jan Kara <jack@...e.cz>
To:     Theodore Ts'o <tytso@....edu>
Cc:     Ross Zwisler <ross.zwisler@...ux.intel.com>,
        Jan Kara <jack@...e.cz>,
        kernel test robot <xiaolong.ye@...el.com>,
        LKML <linux-kernel@...r.kernel.org>, linux-ext4@...r.kernel.org,
        lkp@...org, linux-nvdimm@...1.01.org,
        Dave Chinner <david@...morbit.com>
Subject: Re: [ext4]  e2ae766c1b:
 BUG:sleeping_function_called_from_invalid_context_at_kernel/locking/rwsem.c

On Mon 12-12-16 18:00:20, Ted Tso wrote:
> On Mon, Dec 12, 2016 at 03:48:51PM -0700, Ross Zwisler wrote:
> > On Mon, Dec 12, 2016 at 05:37:36PM -0500, Theodore Ts'o wrote:
> > > Is this problem likely to happen in other file systems?  Should I take
> > > this path through the ext4 tree, or would it be better via some other
> > > git tree?
> > > 
> > > 					- Ted
> > 
> > The problem is in the generic DAX code and affects ext4 and xfs equally (ext2
> > doesn't support PMDs).
> 
> Any preferences about how to send this patch to Linus?  This issue is
> the only thing that was causing me to hold off on sending a pull
> request to Linus....

Yeah, just take it unless Dave already did.

								Honza
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR