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Re: [PATCH 3/4] fs: add fput_queue

From Jeff Layton <jlayton@poochiereds.net>
Newsgroups linux.kernel
Subject Re: [PATCH 3/4] fs: add fput_queue
Date 2015-09-14 16:20 +0200
Message-ID <q8CLT-b7-7@gated-at.bofh.it> (permalink)
References <q8CiS-7Pp-15@gated-at.bofh.it> <q8Csx-80G-3@gated-at.bofh.it> <q8CLT-b7-9@gated-at.bofh.it>
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On Mon, 14 Sep 2015 15:15:39 +0100
Al Viro <viro@ZenIV.linux.org.uk> wrote:

> On Mon, Sep 14, 2015 at 09:45:54AM -0400, Jeff Layton wrote:
> > +/**
> > + * fput_queue - do an fput without using task_work
> > + * @file: file of which to put the reference
> > + *
> > + * If we need to ensure that the final __fput is done on a file before
> > + * returning to userland, then we can't queue it to task_work. For that we
>                                                        ?????????
> > + * borrow the infrastructure used by kthreads, and the task can then just
> > + * called flush_delayed_fput to ensure that the final fput has completed.
> 
> Are you sure that it's not a typo?

I don't think so, but it could be clearer. Something like this maybe?

     "then we can't queue it via task_work_add."

-- 
Jeff Layton <jlayton@poochiereds.net>
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Thread

[PATCH 0/4] fs: allow userland tasks to use delayed_fput infrastructure Jeff Layton <jlayton@poochiereds.net> - 2015-09-14 15:50 +0200
  [PATCH 1/4] fs: have flush_delayed_fput flush the workqueue job Jeff Layton <jlayton@poochiereds.net> - 2015-09-14 15:50 +0200
  [PATCH 4/4] fs: export flush_delayed_fput Jeff Layton <jlayton@poochiereds.net> - 2015-09-14 15:50 +0200
  [PATCH 3/4] fs: add fput_queue Jeff Layton <jlayton@poochiereds.net> - 2015-09-14 16:00 +0200
    Re: [PATCH 3/4] fs: add fput_queue Jeff Layton <jlayton@poochiereds.net> - 2015-09-14 16:20 +0200
      Re: [PATCH 3/4] fs: add fput_queue Al Viro <viro@ZenIV.linux.org.uk> - 2015-09-14 18:50 +0200
        Re: [PATCH 3/4] fs: add fput_queue Jeff Layton <jlayton@poochiereds.net> - 2015-09-14 19:40 +0200
    Re: [PATCH 3/4] fs: add fput_queue Al Viro <viro@ZenIV.linux.org.uk> - 2015-09-14 16:20 +0200
  Re: [PATCH 0/4] fs: allow userland tasks to use delayed_fput  infrastructure "J. Bruce Fields" <bfields@fieldses.org> - 2015-09-14 16:50 +0200
    Re: [PATCH 0/4] fs: allow userland tasks to use delayed_fput  infrastructure Jeff Layton <jlayton@poochiereds.net> - 2015-09-14 17:30 +0200

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