[GIT PULL -mm] 0/4 Unionfs updates/fixes/cleanups

[Erez Zadok]

The following is a series of patchsets related to Unionfs.  This is the
fourth set of patchsets resulting from an lkml review of the entire unionfs
code base, in preparation for a merge into mainline.  The most significant
changes here are a few locking/race bugfix related to branch-management.

These patches were tested (where appropriate) on Linus's 2.6.24 latest code
(as of v2.6.24-rc7-71-gfd0b45d), MM, as well as the backports to
2.6.{23,22,21,20,19,18,9} on ext2/3/4, xfs, reiserfs, nfs2/3/4, jffs2,
ramfs, tmpfs, cramfs, and squashfs (where available).  Also tested with
LTP-full and with a continuous parallel kernel compile (while forcing cache
flushing, manipulating lower branches, etc.).  See
http://unionfs.filesystems.org/ to download back-ported unionfs code.

Please pull from the 'master' branch of
git://git.kernel.org/pub/scm/linux/kernel/git/ezk/unionfs.git

to receive the following:

Erez Zadok (4):
      Unionfs: merged several printk KERN_CONT together into one pr_debug
      Unionfs: mmap fixes
      Unionfs: branch-management related locking fixes
      Unionfs: ensure we have lower dentries in d_iput

 commonfops.c |    6 ++++++
 debug.c      |   51 +++++++++++++++++++++++++--------------------------
 dentry.c     |    9 +++++++--
 inode.c      |   17 +++++++++++++++++
 mmap.c       |   26 +++++++++++++++++++++-----
 5 files changed, 76 insertions(+), 33 deletions(-)

---
Erez Zadok
ezk@xxxxxxxxxxxxx
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