int wind_dentries_2_4(struct dentry * dentry, struct vfsmount * vfsmnt, struct dentry * root, struct vfsmount * rootmnt)
{
struct dentry * d = dentry;
struct vfsmount * v = vfsmnt;
/* wind the dentries onto the stack pages */
for (;;) {
/* deleted ? */
if (!IS_ROOT(d) && list_empty(&d->d_hash))
return 0;
/* the root */
if (d == root && v == rootmnt)
break;
if (d == v->mnt_root || IS_ROOT(d)) {
if (v->mnt_parent == v)
break;
/* cross the mount point */
d = v->mnt_mountpoint;
v = v->mnt_parent;
}
push_dname(&d->d_name);
d = d->d_parent;
}
return 1;
}
int wind_dentries_2_2(struct dentry * dentry)
{
struct dentry * root = current->fs->root;
if (dentry->d_parent != dentry && list_empty(&dentry->d_hash))
return 0;
for (;;) {
struct dentry * parent;
if (dentry == root)
break;
dentry = dentry->d_covers;
parent = dentry->d_parent;
if (dentry == parent)
break;
push_dname(&dentry->d_name);
dentry = parent;
}
return 1;
}
