Re: [PATCH v2 3/3] xfs: Add alignment check for DAX mount

From	Toshi Kani <toshi.kani@hpe.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH v2 3/3] xfs: Add alignment check for DAX mount
Date	2016-05-02 22:10 +0200
Message-ID	<ruski-1EO-17@gated-at.bofh.it> (permalink)
References	<rurex-nY-9@gated-at.bofh.it> <rurez-nY-55@gated-at.bofh.it> <rusaD-1hG-9@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Mon, 2016-05-02 at 13:50 -0600, Ross Zwisler wrote:
> On Mon, May 02, 2016 at 12:42:58PM -0600, Toshi Kani wrote:
 :
> >  		xfs_warn(mp,
> > -	"DAX enabled. Warning: EXPERIMENTAL, use at your own risk");
> > +		"DAX enabled. Warning: EXPERIMENTAL, use at your own
> > risk");
> >  		if (sb->s_blocksize != PAGE_SIZE) {
> >  			xfs_alert(mp,
> >  		"Filesystem block size invalid for DAX Turning DAX
> > off.");
> >  			mp->m_flags &= ~XFS_MOUNT_DAX;
> > -		} else if (!sb->s_bdev->bd_disk->fops->direct_access)
> > {
> > -			xfs_alert(mp,
> > -		"Block device does not support DAX Turning DAX off.");
> > +		} else if ((error = bdev_direct_access(sb->s_bdev,
> > &dax)) < 0) {
> > +			switch (error) {
> > +			case -EOPNOTSUPP:
> > +				xfs_alert(mp,
> > +			"Block device does not support DAX Turning DAX
> > off.");
>
> Since you're already in here editing all the strings, can you add a
> period to make it more readable?   Applies to all strings.

Right. Will do.

> > 
> > +			"Block device does not support DAX. Turning
> > DAX off.");
> 							  ^
> 
> > 
> > +				break;
> > +			case -EINVAL:
> > +				xfs_alert(mp,
> > +			"Partition alignment invalid for DAX Turning
> > DAX off.");
> > +				break;
> > +			default:
> > +				xfs_alert(mp,
> > +			"DAX access failed (%d) DAX Turning DAX off.",
> > error);
>
> I DAX think you might DAX have too many DAXes in here. :)

Oops! :)

> > 
> > +			}
> >  			mp->m_flags &= ~XFS_MOUNT_DAX;
> >  		}
> >  	}
>
> Other than the nit-picking about the strings, this seems fine.
> 
> You can add this for the series:
> Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>

Thanks!
-Toshi

Thread

[PATCH v2 0/3] Add alignment check for DAX mount Toshi Kani <toshi.kani@hpe.com> - 2016-05-02 21:00 +0200
  [PATCH v2 1/3] ext4: Add alignment check for DAX mount Toshi Kani <toshi.kani@hpe.com> - 2016-05-02 21:00 +0200
    Re: [PATCH v2 1/3] ext4: Add alignment check for DAX mount Jan Kara <jack@suse.cz> - 2016-05-03 10:00 +0200
    Re: [PATCH v2 1/3] ext4: Add alignment check for DAX mount Christoph Hellwig <hch@infradead.org> - 2016-05-03 10:50 +0200
      Re: [PATCH v2 1/3] ext4: Add alignment check for DAX mount Jan Kara <jack@suse.cz> - 2016-05-03 11:10 +0200
        Re: [PATCH v2 1/3] ext4: Add alignment check for DAX mount Ross Zwisler <ross.zwisler@linux.intel.com> - 2016-05-03 16:50 +0200
          Re: [PATCH v2 1/3] ext4: Add alignment check for DAX mount Toshi Kani <toshi.kani@hpe.com> - 2016-05-03 18:00 +0200
            Re: [PATCH v2 1/3] ext4: Add alignment check for DAX mount Toshi Kani <toshi.kani@hpe.com> - 2016-05-04 18:00 +0200
  [PATCH v2 3/3] xfs: Add alignment check for DAX mount Toshi Kani <toshi.kani@hpe.com> - 2016-05-02 21:00 +0200
    Re: [PATCH v2 3/3] xfs: Add alignment check for DAX mount Ross Zwisler <ross.zwisler@linux.intel.com> - 2016-05-02 22:00 +0200
      Re: [PATCH v2 3/3] xfs: Add alignment check for DAX mount Toshi Kani <toshi.kani@hpe.com> - 2016-05-02 22:10 +0200
    Re: [PATCH v2 3/3] xfs: Add alignment check for DAX mount Dave Chinner <david@fromorbit.com> - 2016-05-05 01:20 +0200
      Re: [PATCH v2 3/3] xfs: Add alignment check for DAX mount Toshi Kani <toshi.kani@hpe.com> - 2016-05-05 02:00 +0200
        Re: [PATCH v2 3/3] xfs: Add alignment check for DAX mount Jan Kara <jack@suse.cz> - 2016-05-05 10:10 +0200
  Re: [PATCH v2 0/3] Add alignment check for DAX mount Boaz Harrosh <boaz@plexistor.com> - 2016-05-02 21:30 +0200

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