From: Mike Snitzer <snitzer@redhat.com>
To: Vivek Goyal <vgoyal@redhat.com>
Cc: dm-devel@redhat.com, linux-nvdimm@lists.01.org
Subject: Re: [PATCH][V2] dm, dax: Make sure dm_dax_flush() is called if device supports it
Date: Wed, 26 Jul 2017 10:46:39 -0400 [thread overview]
Message-ID: <20170726144639.GA32510@redhat.com> (raw)
In-Reply-To: <20170726133509.GA5416@redhat.com>
On Wed, Jul 26 2017 at 9:35am -0400,
Vivek Goyal <vgoyal@redhat.com> wrote:
> Right now, dm_dax_flush() is not being called and I think it is not being
> called becuase DAXDEV_WRITE_CACHE is not set on dm dax device.
>
> If underlying dax device supports write cache, set DAXDEV_WRITE_CACHE on
> dm dax device. This will get dm_dax_flush() being called.
>
> Acked-by: Dan Williams <dan.j.williams@intel.com>
> Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
I tweaked the header a bit and staged for 4.13-rc3 here:
https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git/commit/?h=for-4.13/dm&id=325ab51b81ca2a84ffd434652273eb5d8a8a5750
Thanks!
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prev parent reply other threads:[~2017-07-26 14:45 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-26 13:35 [PATCH][V2] dm,dax: Make sure dm_dax_flush() is called if device supports it Vivek Goyal
2017-07-26 14:46 ` Mike Snitzer [this message]
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