Re: [PATCH AUTOSEL 5.0 59/66] fs: stream_open - opener for stream-like files so that read and write can run simultaneously without deadlock

From: Greg Kroah-Hartman
Date: Wed Apr 24 2019 - 13:02:16 EST


On Wed, Apr 24, 2019 at 09:40:53AM -0700, Linus Torvalds wrote:
> On Wed, Apr 24, 2019 at 9:34 AM Greg Kroah-Hartman
> <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> >
> > I think there is a follow-on patch for this one as well, that adds the
> > proper "stream open" logic to all of the individual locations.
>
> That bulk one hasn't been applied yet, and wouldn't be appropriate for
> stable anyway. It's 5.2 material.

Ah, ok.

> But...
>
> > But even with that, I don't think this is stable material, it should
> > just be for 5.1 and newer kernels.
>
> We likely *will* have a fuse-only patch that uses stream_open() and
> _will_ be marked for stable, but that hasn't actually happened yet
> either. But if/when that happens, then this infrastructure patch will
> indeed be needed in stable.

Ok, I'll add this to my list of things to apply sometime in the future
when it shows up.

thanks,

greg k-h