Re: [PATCH v7 00/17] locks: fixes for 3.15 and file-private lock support

["J. Bruce Fields" <bfields@fieldses.org>]

On Wed, Mar 19, 2014 at 04:45:44PM -0400, Jeff Layton wrote:
> This is a re-posting of patches that I have queued for 3.15. There's
> really nothing new in this pile vs. the last several sets that I've
> posted. This is mainly just a re-posting of them all as one complete
> set. The only real difference is a fix for one of the mandatory locking
> patches when CONFIG_FILE_LOCKING is disabled (many thanks to AKPM for
> pointing that out).
> 
> Most of this pile has been sitting in linux-next since 3.14-rc1, and
> I've heard zero complaints aside from a minor merge conflict with one of
> Heiko Carstens's patches. A few patches were added later and haven't
> been soaking in linux-next for as long, but they've been there for a
> little while now.

For what it's worth, I also ran this through my regression tests (cthon,
pynfs, plus a few other small lock tests, locally and over v3 and v4),
and didn't see any problems.  Of course that doesn't exercise the new
lock type.

--b.

> 
> Al would you be willing to take these into your tree and merge them up
> to Linus for 3.15 (assuming no one objects, of cours)? It may be easier
> to cherry pick them from my linux-next branch:
> 
>     git://git.samba.org/jlayton/linux.git linux-next
> 
> Thanks! Comments and suggestions welcome...
> 
> J. Bruce Fields (1):
>   locks: fix posix lock range overflow handling
> 
> Jeff Layton (16):
>   locks: close potential race between setlease and open
>   locks: clean up comment typo
>   locks: remove "inline" qualifier from fl_link manipulation functions
>   locks: add __acquires and __releases annotations to locks_start and
>     locks_stop
>   locks: eliminate BUG() call when there's an unexpected lock on file
>     close
>   locks: consolidate checks for compatible filp->f_mode values in setlk
>     handlers
>   locks: rename locks_remove_flock to locks_remove_file
>   MAINTAINERS: add Bruce and myself to list of maintainers for file
>     locking code
>   locks: make /proc/locks show IS_FILE_PVT locks with a P suffix
>   locks: report l_pid as -1 for FL_FILE_PVT locks
>   locks: pass the cmd value to fcntl_getlk/getlk64
>   locks: skip deadlock detection on FL_FILE_PVT locks
>   locks: add new fcntl cmd values for handling file private locks
>   locks: require that flock->l_pid be set to 0 for file-private locks
>   locks: fix locks_mandatory_locked to respect file-private locks
>   locks: make locks_mandatory_area check for file-private locks
> 
>  MAINTAINERS                       |   2 +
>  arch/arm/kernel/sys_oabi-compat.c |   3 +
>  fs/compat.c                       |  35 +++-
>  fs/fcntl.c                        |  37 ++--
>  fs/file_table.c                   |   2 +-
>  fs/locks.c                        | 387 ++++++++++++++++++++++++--------------
>  fs/namei.c                        |   2 +-
>  include/linux/fs.h                |  43 +++--
>  include/uapi/asm-generic/fcntl.h  |  19 +-
>  mm/mmap.c                         |   2 +-
>  mm/nommu.c                        |   2 +-
>  security/selinux/hooks.c          |   3 +
>  12 files changed, 354 insertions(+), 183 deletions(-)
> 
> -- 
> 1.8.5.3
>