Re: [PATCH v6 17/17] dax: remove "depends on BROKEN" from FS_DAX_PMD
From: Jan Kara
Date: Mon Oct 17 2016 - 05:10:20 EST
On Mon 17-10-16 11:27:24, Aneesh Kumar K.V wrote:
> Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx> writes:
> > Now that DAX PMD faults are once again working and are now participating in
> > DAX's radix tree locking scheme, allow their config option to be enabled.
> > Signed-off-by: Ross Zwisler <ross.zwisler@xxxxxxxxxxxxxxx>
> > ---
> > fs/Kconfig | 1 -
> > 1 file changed, 1 deletion(-)
> > diff --git a/fs/Kconfig b/fs/Kconfig
> > index 2bc7ad7..b6f0fce 100644
> > --- a/fs/Kconfig
> > +++ b/fs/Kconfig
> > @@ -55,7 +55,6 @@ config FS_DAX_PMD
> > depends on FS_DAX
> > depends on ZONE_DEVICE
> > depends on TRANSPARENT_HUGEPAGE
> > - depends on BROKEN
> > endif # BLOCK
> This series made dax_pmd_fault return VM_FAULT_FALLBACK in [PATCH v6 09/17] dax: remove dax_pmd_fault().
> That essentially disable dax pmd for ext4. Any plans to fix that ?
I'm working on converting ext4 to the new iomap infrastructure. Once that
is done, it can use new DAX helpers for PMD faults easily.
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR