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Add a new option -l to check whether POSIX byte range locks are
working. Usage:
node1$ touch /path/to/cluster-fs/FILE
node1$ ./bin/ping_pong -l /path/to/cluster-fs/FILE
Holding lock, press any key to continue...
You should run the same command on another node now.
node2$ ./bin/ping_pong -l /path/to/cluster-fs/FILE
Output can either be:
Holding lock, press any key to continue...
This means POSIX byte range locks are *not* working.
If you see this instead:
file already locked, calling check_lock to tell us who has it locked...:
check_lock failed: lock held: pid='27375', type='1', start='0', len='0'
Working POSIX byte range locks
Congrats, you have a cluster fs with functional byte range locks!
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Thu Dec 10 08:48:38 CET 2015 on sn-devel-104
To avoid warnings when using --enable-developer, which uses
-Wmissing-prototypes.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This fixes the floating point error if num_locks = 0.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
(This used to be ctdb commit 16afe36de52561a62372c14b567683dc898369d5)
This is to verify that the fcntl F_GETLK call reports F_UNLCK if called
from a process already holding a lock. This is for example used by samba's
strict locking code in combination with "posix locking = true".
Signed-off-by: Michael Adam <obnox@samba.org>
(This used to be ctdb commit 4f42d17b74ce891691eee1cead498959cc8e4837)
AIX dont have getopt.h by default.
Dont try including this file when building on AIX
(This used to be ctdb commit 06b33a826e71e1dd2f9e02ad614be55535d42045)
