[PATCH -v1 00/11] fsnotify: unified filesystem notification backend

[Eric Paris]

Whoops, forgot the cover note. So proceeding is an implementation of
fsnotify, a novel unified filesystem notification backend.  This patch
set implements the backend and converts both dnotify and inotify to this
backend.  This patch set reduced the size of struct inode if one uses
both dnotify and inotify.

I have patches which move the audit functionality which uses inotify to
fsnotify and I have patches which implement fanotify, my new on access
notification and access decisions to this backend, but just to keep the
series small I'm only sending fsnotify, dnotify and inotify changes.

I would love the most careful and scrutinizing eyes on patches 3, 9, 10
which implement the changes to inodes and introduce by far the most
complex locking, refcnt, and object lifetimes.

dnotify changes are in patch 5
inotify changes are in patch 11

 Documentation/filesystems/fsnotify.txt |  192 ++++++++++
 MAINTAINERS                            |    4 
 fs/inode.c                             |   10 
 fs/notify/Kconfig                      |   13 
 fs/notify/Makefile                     |    2 
 fs/notify/dnotify/Kconfig              |    1 
 fs/notify/dnotify/dnotify.c            |  449 +++++++++++++++++++-----
 fs/notify/fsnotify.c                   |   91 +++++
 fs/notify/fsnotify.h                   |   28 +
 fs/notify/group.c                      |  207 +++++++++++
 fs/notify/inode_mark.c                 |  330 ++++++++++++++++++
 fs/notify/inotify/Kconfig              |   20 -
 fs/notify/inotify/Makefile             |    2 
 fs/notify/inotify/inotify.h            |  108 +++++
 fs/notify/inotify/inotify_fsnotify.c   |  176 +++++++++
 fs/notify/inotify/inotify_kernel.c     |  236 +++++++++++++
 fs/notify/inotify/inotify_user.c       |  598 ++++++++-------------------------
 fs/notify/notification.c               |  348 +++++++++++++++++++
 include/linux/dcache.h                 |    3 
 include/linux/dnotify.h                |   29 -
 include/linux/fs.h                     |    6 
 include/linux/fsnotify.h               |  255 ++++++++++----
 include/linux/fsnotify_backend.h       |  265 ++++++++++++++
 23 files changed, 2735 insertions(+), 638 deletions(-)

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