[PATCH 8/8] xfs: add initial DAX support

[Boaz Harrosh]

On 03/24/2015 11:25 PM, Dave Chinner wrote:
<>
> 
> No, I don't see any reason for a mount flag for this, because we
> do not want to be stuck relying on a mount option forever. Once
> This code has been shaken out, I fully intend DAX to be turned on
> automatically for any device that supports, and for it to be turned
> on and off on a per-inode basis through on-disk inode flags. i.e.
> the mount option is really a temporary solution and I don't want to
> code in any dependencies on DAX being mount wide existing.
> 

OK I dropped this flag. I will just check for the direct_access
vector. I'll need a wrapper that defines to nothing in the
!CONFIG_FS_DAX case

> Cheers,
> Dave.
> 

Thanks for your help
Boaz