* create(filename@<distribute-volume-name>-<subvol-name>), will
  create the file in corresponding subvol of dht.
* same for unlink()

same logic can be extended to other fops if there is a need

Signed-off-by: Amar Tumballi <amar@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 1200 (enhance distribute with hooks so lot of debugging can be done online)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1200

Memory accounting Changes. Thanks to Vinayak Hegde and Csaba Henk for their
contributions.

Signed-off-by: Vijay Bellur <vijay@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 329 (Replacing memory allocation functions with mem-type functions)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=329

- libglusterfs
  -- call-stub
  -- inode
  -- protocol
- libglusterfsclient
- cluster/replicate
- cluster/{dht,nufa,switch}
- cluster/unify
- cluster/HA
- cluster/map
- cluster/stripe
- debug/error-gen
- debug/trace
- debug/io-stats
- encryption/rot-13
- features/filter
- features/locks
- features/path-converter
- features/quota
- features/trash
- mount/fuse
- performance/io-threads
- performance/io-cache
- performance/quick-read
- performance/read-ahead
- performance/stat-prefetch
- performance/symlink-cache
- performance/write-behind
- protocol/client
- protocol/server
- storage-posix

Signed-off-by: Anand V. Avati <avati@blackhole.gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 361 (GlusterFS 3.0 should work on Mac OS/X)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=361

prerserve original frame uid and gid and perform self-heal by changing
uid/gid to root (0) temporarily.

Signed-off-by: Shehjar Tikoo <shehjart@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 597 (miscellaneous fixes for xlators to work well with NFS xlator)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=597

We need to ensure that only the last subvolume's end-of-directory
notification is respected so that directory reading does not stop
before all subvolumes have been read. That could happen because the
posix for each subvolume sends a ENOENT on end-of-directory but in
distribute we're not concerned only with a posix's view of the
directory but the aggregated namespace' view of the directory,
which is maintained by distribute.

Signed-off-by: Shehjar Tikoo <shehjart@gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 597 (miscellaneous fixes for xlators to work well with NFS xlator)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=597

Thanks to He Xaobing <allreol@gmail.com>, this patch is inspired by

http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=188#c2

Signed-off-by: Anand V. Avati <avati@blackhole.gluster.com>
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 188 ([ glusterfs 2.0.6rc2 ] - "Directory not empty" on rm -rf)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=188

Signed-off-by: Vijay Bellur <vijay@gluster.com>
Signed-off-by: Vijay Bellur <vijay@dev.gluster.com>

BUG: 463 (Crash in dht_stat_merge ())
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=463

changes to make revalidate not fail but instead perform fresh lookup
and swap inode context (layout) safely

Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 315 (generation number support)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=315

Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

When directories on different subvolumes have different ownerships, use the highest uid/gid till self-heal resolves the inconsistency

Signed-off-by: Anand V. Avati <avati@dev.gluster.com>

BUG: 191 (random Permission denied errors)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=191