Re: [PATCH v3 18/23] fs: remove a comment pointing to the removed mandatory-locking file

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On Tue, Oct 19, 2021 at 06:50:21AM -0400, Jeff Layton wrote:
> On Tue, 2021-10-19 at 09:04 +0100, Mauro Carvalho Chehab wrote:
> > The mandatory file locking got removed due to its problems, but
> > there's still a comment inside fs/locks.c pointing to the removed
> > doc.
> > 
> > Remove it.
> > 
> > Fixes: f7e33bdbd6d1 ("fs: remove mandatory file locking support")
> > Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
> > ---
> > 
> > To mailbombing on a large number of people, only mailing lists were C/C on the cover.
> > See [PATCH v3 00/23] at: https://lore.kernel.org/all/cover.1634630485.git.mchehab+huawei@xxxxxxxxxx/
> > 
> >  fs/locks.c | 1 -
> >  1 file changed, 1 deletion(-)
> > 
> > diff --git a/fs/locks.c b/fs/locks.c
> > index d397394633be..94feadcdab4e 100644
> > --- a/fs/locks.c
> > +++ b/fs/locks.c
> > @@ -61,7 +61,6 @@
> >   *
> >   *  Initial implementation of mandatory locks. SunOS turned out to be
> >   *  a rotten model, so I implemented the "obvious" semantics.
> > - *  See 'Documentation/filesystems/mandatory-locking.rst' for details.
> >   *  Andy Walker (andy@xxxxxxxxxxxxxxxxxxx), April 06, 1996.
> >   *
> >   *  Don't allow mandatory locks on mmap()'ed files. Added simple functions to
> 
> Thanks Mauro. I'll pick this into my locks branch, so it should make
> v5.16 as well.

Could we delete the rest too?

We don't do those changelog-style comments any more; they're in the git
history if you need them.  I can sort of get leaving some in out of
respect or if they've still provide some useful information.  But
keeping comments referring to code that doesn't even exist any more just
seems confusing.

--b.

diff --git a/fs/locks.c b/fs/locks.c
index 3d6fb4ae847b..2540b7aedeac 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -59,17 +59,6 @@
  *  once we've checked for blocking and deadlocking.
  *  Andy Walker (andy@xxxxxxxxxxxxxxxxxxx), April 03, 1996.
  *
- *  Initial implementation of mandatory locks. SunOS turned out to be
- *  a rotten model, so I implemented the "obvious" semantics.
- *  See 'Documentation/filesystems/mandatory-locking.rst' for details.
- *  Andy Walker (andy@xxxxxxxxxxxxxxxxxxx), April 06, 1996.
- *
- *  Don't allow mandatory locks on mmap()'ed files. Added simple functions to
- *  check if a file has mandatory locks, used by mmap(), open() and creat() to
- *  see if system call should be rejected. Ref. HP-UX/SunOS/Solaris Reference
- *  Manual, Section 2.
- *  Andy Walker (andy@xxxxxxxxxxxxxxxxxxx), April 09, 1996.
- *
  *  Tidied up block list handling. Added '/proc/locks' interface.
  *  Andy Walker (andy@xxxxxxxxxxxxxxxxxxx), April 24, 1996.
  *
@@ -95,10 +84,6 @@
  *  Made the block list a circular list to minimise searching in the list.
  *  Andy Walker (andy@xxxxxxxxxxxxxxxxxxx), Sep 25, 1996.
  *
- *  Made mandatory locking a mount option. Default is not to allow mandatory
- *  locking.
- *  Andy Walker (andy@xxxxxxxxxxxxxxxxxxx), Oct 04, 1996.
- *
  *  Some adaptations for NFS support.
  *  Olaf Kirch (okir@xxxxxxxxxxxx), Dec 1996,
  *



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