From: Huaisheng Ye
Some functions within fs/dax and dax/super don't need to get kaddr from
direct_access. Assigning NULL to kaddr to ->direct_access() is more
straightforward and simple than offering a useless local pointer.
So all direct_access() need to check the validity of second rank pointe
On Tue, Jul 24, 2018 at 04:45:05PM +0800, Huaisheng Ye wrote:
> From: Huaisheng Ye
>
> Some functions within fs/dax and dax/super don't need to get kaddr from
> direct_access. Assigning NULL to kaddr to ->direct_access() is more
> straightforward and simple than offering a useless local pointer.
From: Ross Zwisler
Sent: Tuesday, July 24, 2018 10:50 PM
> > Some functions within fs/dax and dax/super don't need to get kaddr from
> > direct_access. Assigning NULL to kaddr to ->direct_access() is more
> > straightforward and simple than offering a useless local pointer.
> >
> > So all direct_a