[Bug libc/16839] New: Add support for file-private locks

[Bug libc/16839] New: Add support for file-private locks

[jlayton at poochiereds dot net]

https://sourceware.org/bugzilla/show_bug.cgi?id=16839

            Bug ID: 16839
           Summary: Add support for file-private locks
           Product: glibc
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: libc
          Assignee: unassigned at sourceware dot org
          Reporter: jlayton at poochiereds dot net
                CC: drepper.fsp at gmail dot com

File-private record locks have been merged into Linux for v3.15. Please add the
appropriate definitions for the cmd types and documentation updates to glibc so
that they can be used.

Here's a writeup of the feature on LWN:

    http://lwn.net/Articles/586904/

There were some minor changes to the interface after that article was written,
but it's a good overview.

I've also opened a bug at the austingroup to see about getting this added to
the POSIX spec, but they (understandably) won't really look at it until there's
a shipping implementation.

    http://austingroupbugs.net/view.php?id=768

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[Bug libc/16839] Add support for open file description locks

[jlayton at poochiereds dot net]

https://sourceware.org/bugzilla/show_bug.cgi?id=16839

jlayton at poochiereds dot net <jlayton at poochiereds dot net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Add support for             |Add support for open file
                   |file-private locks          |description locks

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[Bug libc/16839] Add support for open file description locks

[jlayton at poochiereds dot net]

https://sourceware.org/bugzilla/show_bug.cgi?id=16839

jlayton at poochiereds dot net <jlayton at poochiereds dot net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |carlos at redhat dot com

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[Bug libc/16839] Add support for open file description locks

[jlayton at poochiereds dot net]

https://sourceware.org/bugzilla/show_bug.cgi?id=16839

--- Comment #1 from jlayton at poochiereds dot net <jlayton at poochiereds dot net> ---
Created attachment 7593
  --> https://sourceware.org/bugzilla/attachment.cgi?id=7593&action=edit
patch -- add new definitions and manual updates for OFD locks

Adding Carlos to cc list since he volunteered to shepherd this into the tree.
The latest patch was sent on May 3rd:

    http://www.spinics.net/lists/linux-fsdevel/msg74972.html

...at this point, I think it's ready for merge, and we can just do other
patches on top of it if any are needed.

Carlos, is there anything holding up the merge of this patch at this point?

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[Bug libc/16839] Add support for open file description locks

[fweimer at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=16839

Florian Weimer <fweimer at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
              Flags|                            |security-

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[Bug libc/16839] Add support for open file description locks

[jsm28 at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=16839

Joseph Myers <jsm28 at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED
   Target Milestone|---                         |2.20

--- Comment #2 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
This was added in 2.20, complete with NEWS entry, but the bug wasn't closed at
that time.

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