On Fri, Oct 12, 2018 at 01:59:34PM -0700, Andrew Morton wrote:
> On Tue, 11 Sep 2018 15:34:44 -0700 Omar Sandoval wrote:
>
> > From: Omar Sandoval
> >
> > The SWP_FILE flag serves two purposes: to make swap_{read,write}page()
> > go through the filesystem, and to make swapoff() call
> >
On Tue, 11 Sep 2018 15:34:44 -0700 Omar Sandoval wrote:
> From: Omar Sandoval
>
> The SWP_FILE flag serves two purposes: to make swap_{read,write}page()
> go through the filesystem, and to make swapoff() call
> ->swap_deactivate(). For Btrfs, we want the latter but not the former,
> so split
On Wed, Sep 19, 2018 at 11:12:02AM -0700, Omar Sandoval wrote:
> On Wed, Sep 19, 2018 at 02:02:32PM -0400, Johannes Weiner wrote:
> > On Tue, Sep 11, 2018 at 03:34:44PM -0700, Omar Sandoval wrote:
> > > @@ -2411,8 +2412,10 @@ static int setup_swap_extents(struct
> > > swap_info_struct *sis,
On Wed, Sep 19, 2018 at 02:02:32PM -0400, Johannes Weiner wrote:
> On Tue, Sep 11, 2018 at 03:34:44PM -0700, Omar Sandoval wrote:
> > @@ -2411,8 +2412,10 @@ static int setup_swap_extents(struct
> > swap_info_struct *sis, sector_t *span)
> >
> > if (mapping->a_ops->swap_activate) {
> >
On Tue, Sep 11, 2018 at 03:34:44PM -0700, Omar Sandoval wrote:
> @@ -2411,8 +2412,10 @@ static int setup_swap_extents(struct swap_info_struct
> *sis, sector_t *span)
>
> if (mapping->a_ops->swap_activate) {
> ret = mapping->a_ops->swap_activate(sis, swap_file, span);
> +
From: Omar Sandoval
The SWP_FILE flag serves two purposes: to make swap_{read,write}page()
go through the filesystem, and to make swapoff() call
->swap_deactivate(). For Btrfs, we want the latter but not the former,
so split this flag into two. This makes us always call
->swap_deactivate() if
