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Date: Mon, 12 Dec 2016 15:48:51 -0700
From: Ross Zwisler <ross.zwisler@linux.intel.com>
To: "Theodore Ts'o" <tytso@mit.edu>,
        Ross Zwisler <ross.zwisler@linux.intel.com>, Jan Kara <jack@suse.cz>,
        kernel test robot <xiaolong.ye@intel.com>,
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        lkp@01.org, linux-nvdimm@ml01.01.org,
        Dave Chinner <david@fromorbit.com>
Subject: Re: [ext4]  e2ae766c1b:
 BUG:sleeping_function_called_from_invalid_context_at_kernel/locking/rwsem.c
Message-ID: <20161212224851.GA691@linux.intel.com>
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 <20161212221329.GB3622@linux.intel.com>
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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).