fs: remove mandatory locking and flock() LOCK_MAND support
Bugzilla: http://bugzilla.redhat.com/2017438
A pile of patches to finish the removal of mandatory locking and flock LOCK_MAND support, and to update comments and documentation accordingly. This also contains a couple of patches to fix potential deadlocks in the fowner and fasync infrastructure.
Signed-off-by: Jeffrey Layton jlayton@redhat.com
Edited by Jeffrey Layton