ULOCKFS_ULOCK
ufsvfsp->vfs_ulockfs.ul_fs_lock = ULOCKFS_ULOCK;
#define ULOCKFS_IS_ULOCK(LF) ((LF)->ul_fs_lock & ULOCKFS_ULOCK)
(((LF)->ul_fs_lock & (ULOCKFS_SLOCK | ULOCKFS_ULOCK)) == ULOCKFS_ULOCK)