follow_up
if (!follow_up(&path))
if (follow_up(&path) == 0)
EXPORT_SYMBOL(follow_up);
if (follow_up(&cur))
while (follow_up(&path)) {
while (path->dentry == path->mnt->mnt_root && follow_up(path))
u8 follow_up;
u8 follow_up;
extern int follow_up(struct path *);
if (follow_up(&walker_path)) {