Re: [PATCH v2 0/2] DAX bdev fixes - move flushing calls to FS

From	Dave Chinner <david@fromorbit.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH v2 0/2] DAX bdev fixes - move flushing calls to FS
Date	2016-02-11 22:00 +0100
Message-ID	<r16vg-5ys-19@gated-at.bofh.it> (permalink)
References	<r0JS2-7cY-9@gated-at.bofh.it> <r0YR4-k5-9@gated-at.bofh.it> <r15pw-4RP-11@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Thu, Feb 11, 2016 at 12:49:22PM -0700, Ross Zwisler wrote:
> I think the plan of unsetting S_DAX on bdev->bd_inode when we mount will save
> us from this, as long as we do it super early in the mount process.

I think that S_DAX should not be set on the block device by default
in the first place. If we've been surprised by unexpected behaviour,
then I'm sure there are going to be other surprises waiting for us.
DAX default policy should be opt-in, not opt-out.

Cheers,

Dave.
-- 
Dave Chinner
david@fromorbit.com

Thread

[PATCH v2 0/2] DAX bdev fixes - move flushing calls to FS Ross Zwisler <ross.zwisler@linux.intel.com> - 2016-02-10 21:50 +0100
  Re: [PATCH v2 0/2] DAX bdev fixes - move flushing calls to FS Jan Kara <jack@suse.cz> - 2016-02-11 13:50 +0100
    Re: [PATCH v2 0/2] DAX bdev fixes - move flushing calls to FS Ross Zwisler <ross.zwisler@linux.intel.com> - 2016-02-11 20:50 +0100
      Re: [PATCH v2 0/2] DAX bdev fixes - move flushing calls to FS Dave Chinner <david@fromorbit.com> - 2016-02-11 22:00 +0100
    Re: [PATCH v2 0/2] DAX bdev fixes - move flushing calls to FS Ross Zwisler <ross.zwisler@linux.intel.com> - 2016-02-12 20:10 +0100
      Re: [PATCH v2 0/2] DAX bdev fixes - move flushing calls to FS Dave Chinner <david@fromorbit.com> - 2016-02-13 03:50 +0100
        Re: [PATCH v2 0/2] DAX bdev fixes - move flushing calls to FS Ross Zwisler <ross.zwisler@linux.intel.com> - 2016-02-13 06:10 +0100

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