linux-kernel - Re: [PATCH] fs/dax: Convert to use vmf

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Date:   Mon, 14 Jan 2019 14:30:44 -0800
From:   Dan Williams <dan.j.williams@...el.com>
To:     Jan Kara <jack@...e.cz>
Cc:     Souptick Joarder <jrdr.linux@...il.com>,
        Matthew Wilcox <willy@...radead.org>,
        Ross Zwisler <zwisler@...nel.org>,
        Al Viro <viro@...iv.linux.org.uk>,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] fs/dax: Convert to use vmf_error()

On Mon, Jan 14, 2019 at 12:59 AM Jan Kara <jack@...e.cz> wrote:
>
> On Sat 05-01-19 00:54:11, Souptick Joarder wrote:
> > This code is converted to use vmf_error().
> >
> > Signed-off-by: Souptick Joarder <jrdr.linux@...il.com>
>
> Dan, you are merging DAX patches these days. So probably you should add
> yourself to 'FILESYSTEM DIRECT ACCESS (DAX)' in MAINTAINERs.

Sounds good, I'll merge this and get MAINTAINERs fixed up.

> Or I can start
> picking patches for fsdax to my tree if you are too busy but I think your
> tree is easier as there are less chances for conflicts etc.
>
> In either case this patch looks OK to me so feel free to add
>
> Reviewed-by: Jan Kara <jack@...e.cz>
>
>                                                                 Honza
>
> > ---
> >  fs/dax.c | 4 +---
> >  1 file changed, 1 insertion(+), 3 deletions(-)
> >
> > diff --git a/fs/dax.c b/fs/dax.c
> > index 48132ec..ed39161 100644
> > --- a/fs/dax.c
> > +++ b/fs/dax.c
> > @@ -1220,9 +1220,7 @@ static vm_fault_t dax_fault_return(int error)
> >  {
> >       if (error == 0)
> >               return VM_FAULT_NOPAGE;
> > -     if (error == -ENOMEM)
> > -             return VM_FAULT_OOM;
> > -     return VM_FAULT_SIGBUS;
> > +     return vmf_error(error);
> >  }
> >
> >  /*
> > --
> > 1.9.1
> >
> --
> Jan Kara <jack@...e.com>
> SUSE Labs, CR