VFS_BUG_ON
VFS_BUG_ON(rcu_access_pointer(fdt->fd[fd]) != NULL);
VFS_BUG_ON(rcu_access_pointer(fdt->fd[fd]) != NULL);
VFS_BUG_ON(rcu_access_pointer(fdt->fd[fd]) != NULL);
VFS_BUG_ON(!hash_locked && !rcu_locked);
VFS_BUG_ON((mask & ~MAY_NOT_BLOCK) != 0);
VFS_BUG_ON(nd->flags & LOOKUP_CACHED);
VFS_BUG_ON(!(nd->flags & LOOKUP_RCU));
VFS_BUG_ON(!(nd->flags & LOOKUP_RCU));
VFS_BUG_ON(mnt->mnt_ns);
#define VFS_BUG_ON_INODE(cond, inode) VFS_BUG_ON(cond)