[lkml]   [2017]   [Nov]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH v2] fs: handle shrinker registration failure in sget_userns
On Thu 23-11-17 14:55:40, Al Viro wrote:
> On Thu, Nov 23, 2017 at 03:35:37PM +0100, Michal Hocko wrote:
> > Hopefully less screwed version. But as I've said I am not really
> > familiar with the code and do not feel competent to change it so please
> > be very careful here. I've moved the shrinker registration to
> > alloc_super which turned out to be simpler.
> I don't get it. Why the hell do we need all that PITA in the first place?
> Just make sget_userns() end with
> if (unlikely(regsiter_shrinker(&s->s_shrink) != 0)) {
> deactivate_locked_super(s);
> }
> return s;
> and be done with that. All there is to it...

Al, do you plan to push this fix? Tetsuo's unregister_shrinker
fortification is already in the mmotm tree.
Michal Hocko

 \ /
  Last update: 2017-11-29 12:55    [W:0.080 / U:1.328 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site