glusterfs.git, branch v3.4.0beta3

cluster/afr: Perform delayed changelog wakeups for anon fd

2013-06-10T20:04:21+00:00

Problem:
Nfs xlator never does open on a file for performing writes,
afr does not perform changelog wakeup for this fd so operations
which do metadata operations as soon as the data operations are
completed perceive a delay od 'post-op-delay-secs'.

Fix:
Perform changelog wakeup on anon-fd if the fd with same pid is
not present in inode-list.

Note:
This approach is a short-term fix. A proper fix needs a new domain
for taking metadata locks so that data/metadata locks don't compete
with each other.

BUG: 966018
Change-Id: Ia9188a253e7943801b665e1b9205e2f551952d87
Signed-off-by: Pranith Kumar K 
Reviewed-on: http://review.gluster.org/5067
Tested-by: Gluster Build System 
Reviewed-by: Anand Avati

Fix crash in dht_migration_complete_check_task because of NULL fd

2013-06-08T21:56:08+00:00

This is a backport of Ia5a5d40bcea7bfb320ef7096af1e035b8847d4ff

BUG: 960055
Change-Id: Ibf3547a775d7ca2f3a097c880cdf38ffafb322da
Signed-off-by: Emmanuel Dreyfus 
Reviewed-on: http://review.gluster.org/5139
Tested-by: Gluster Build System 
Reviewed-by: Jeff Darcy

api: Fix api.so and libgfapi.so build time dependency

2013-06-08T21:54:04+00:00

Not all versions of autoconf handle dependencies expressed
as "A: B". Use the xxx_DEPENDENCIES variable to make it
version independent

Change-Id: Ia0b13399d0bf10995d9845e04cd9eb3ef6518dbe
BUG: 953694
Signed-off-by: Anand Avati 
Reviewed-on: http://review.gluster.org/5171
Tested-by: Gluster Build System 
Reviewed-by: Vijay Bellur

gfapi: add new API glfs_dup() to copy a file descriptor

2013-06-08T21:53:48+00:00

Duplicate a glfs_fd file descriptor. Inherit the internal
fd_t with a reference.

Change-Id: Ib30e9a46b608b9f78202957f4dab6ba6265a9ec0
BUG: 953694
Signed-off-by: Anand Avati 
Reviewed-on: http://review.gluster.org/5170
Tested-by: Gluster Build System 
Reviewed-by: Vijay Bellur

api/Makefile: link api.so against libgfapi (and dependencies)

2013-06-08T21:53:26+00:00

Samba opens vfs_gluster.so with dlopen(..,RTLD_LOCAL). This makes
the symobls in the shared module and the library it exclusively
links against (specifically gfapi) not resolvable from the .so
files which are opened in turn within (like xlator .so files)
unless explicitly linked against the dependent libraries.

This is not otherwise required in case of glusterfsd as the main
executable symbols are always available for resolution from
dlopen()'ed shared objects, making Samba's vfs_glusterfs
requirement unique, but luckily not incompatible.

Change-Id: I894c521daade7d46ec5bf07793f2eea02ebc9700
BUG: 953694
Signed-off-by: Anand Avati 
Reviewed-on: http://review.gluster.org/5169
Tested-by: Gluster Build System 
Reviewed-by: Vijay Bellur

socket: convert socket functions to file scope (static)

2013-06-08T21:53:07+00:00

The function names used in socket.c conflict with Samba's
socket functions (samba.git/source4/lib/socket/socket.h). Convert
our functions to file scope as they are anyways not called across
files.

Change-Id: If98ae557d3e2868f257c021b283ede6a5e92de02
BUG: 953694
Signed-off-by: Anand Avati 
Reviewed-on: http://review.gluster.org/5168
Tested-by: Gluster Build System 
Reviewed-by: Vijay Bellur

gfapi: handle graph switch (cwd, fds, locks)

2013-06-08T21:52:52+00:00

- Migrate open fds to new graph
- Migrate locks held in open fd to new fd
- Refresh CWD, so resolution of relative paths happens on refreshed
  inode (on new graph).

Change-Id: I4b18083b9b290107ebda1f917fc85b635ab72fb4
BUG: 953694
Signed-off-by: Anand Avati 
Reviewed-on: http://review.gluster.org/5167
Tested-by: Gluster Build System 
Reviewed-by: Vijay Bellur

gfapi: ignore NULL and -1 parameters in glfs_set_logging()

2013-06-08T21:52:35+00:00

Permit changing either logfile or level by specifying the other
as -1 or NULL respectively.

Change-Id: I7df05db7b613c57e0106a5cce846ae26d2a160d4
BUG: 953694
Signed-off-by: Anand Avati 
Reviewed-on: http://review.gluster.org/5166
Tested-by: Gluster Build System 
Reviewed-by: Xavier Hernandez 
Reviewed-by: Vijay Bellur

pkg-config: present API version and not package version

2013-06-08T21:52:22+00:00

This way PKG_MODULE() autoconf test checks for required API
rather than release version (e.g required API could be in all
all of 3.4.5, 3.5.1, 3.6.4 etc.)

With the first "release" of gfapi, the current version (4) will
be frozen.

Version 3 is sufficient for QEMU's requirement. Version 4 is
necessary for Samba VFS

Change-Id: Iada3a4c88b9c67413dcd57004fd8a62926a21b42
BUG: 953694
Signed-off-by: Anand Avati 
Reviewed-on: http://review.gluster.org/5165
Tested-by: Gluster Build System 
Reviewed-by: Vijay Bellur

gfapi: provide stable st_dev in stat structure

2013-06-08T21:51:38+00:00

Samba depends on st_dev being unique and stable for different
filesystems (it uses st_dev+st_ino as key to store metadata of
a file).

Change-Id: Ia022fabadfb5ef3fc9724c1b1ca86f1a20f98af9
BUG: 953694
Signed-off-by: Anand Avati 
Reviewed-on: http://review.gluster.org/5164
Tested-by: Gluster Build System 
Reviewed-by: Xavier Hernandez 
Reviewed-by: Vijay Bellur