From: Christoph Hellwig <hch@infradead.org>
To: Waiman Long <Waiman.Long@hpe.com>
Cc: Theodore Ts'o <tytso@mit.edu>,
Andreas Dilger <adilger.kernel@dilger.ca>,
Alexander Viro <viro@zeniv.linux.org.uk>,
Matthew Wilcox <willy@linux.intel.com>,
linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org,
Dave Chinner <david@fromorbit.com>,
Christoph Hellwig <hch@infradead.org>, Jan Kara <jack@suse.cz>,
Scott J Norton <scott.norton@hpe.com>,
Douglas Hatch <doug.hatch@hpe.com>,
Toshimitsu Kani <toshi.kani@hpe.com>
Subject: Re: [PATCH 1/3] dax: Take shared lock in dax_do_io()
Date: Thu, 9 Jun 2016 02:01:07 -0700 [thread overview]
Message-ID: <20160609090107.GA16921@infradead.org> (raw)
In-Reply-To: <1464992897-34063-2-git-send-email-Waiman.Long@hpe.com>
Please just take the extra step and move the locking out of dax_do_io
and into the caller.
next prev parent reply other threads:[~2016-06-09 9:01 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-03 22:28 [PATCH 0/3] dax, ext4: Improve DAX performance in ext4 Waiman Long
2016-06-03 22:28 ` [PATCH 1/3] dax: Take shared lock in dax_do_io() Waiman Long
2016-06-09 9:01 ` Christoph Hellwig [this message]
2016-06-03 22:28 ` [PATCH 2/3] ext4: Make cache hits/misses per-cpu counts Waiman Long
2016-06-03 22:28 ` [PATCH 3/3] ext4: Pass DIO_SKIP_DIO_COUNT to dax_do_io Waiman Long
2016-06-09 9:02 ` Christoph Hellwig
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