linux-kernel - Re: [PATCH 1/3] dax: Take shared lock in dax_do

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Message-ID: <20160609090107.GA16921@infradead.org>
Date:	Thu, 9 Jun 2016 02:01:07 -0700
From:	Christoph Hellwig <hch@...radead.org>
To:	Waiman Long <Waiman.Long@....com>
Cc:	Theodore Ts'o <tytso@....edu>,
	Andreas Dilger <adilger.kernel@...ger.ca>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Matthew Wilcox <willy@...ux.intel.com>,
	linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org,
	Dave Chinner <david@...morbit.com>,
	Christoph Hellwig <hch@...radead.org>, Jan Kara <jack@...e.cz>,
	Scott J Norton <scott.norton@....com>,
	Douglas Hatch <doug.hatch@....com>,
	Toshimitsu Kani <toshi.kani@....com>
Subject: Re: [PATCH 1/3] dax: Take shared lock in dax_do_io()

Please just take the extra step and move the locking out of dax_do_io
and into the caller.