namei

struct dentry *namei(parent, name) {

if (dentry = d_lookup(parent,name))

else

ddd_hash(parent, name)

ddd_revalidate(dentry)

iii_lookup(parent, name)

sss_read_inode(…)

struct inode *iget(ino, dev) {

/* try cache else .. */

}

VFS