Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes
* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes:
GFS2: Use DEFINE_SPINLOCK
GFS2: cleanup file_operations mess
GFS2: Move umount flush rwsem
GFS2: Fix symlink creation race
GFS2: Make quotad's waiting interruptible