*work -= f->qsize;
atomic_sub(f->qsize, &f->mem);
- f->destructor(q);
+ if (f->destructor)
+ f->destructor(q);
+ kfree(q);
}
EXPORT_SYMBOL(inet_frag_destroy);
EXPORT_SYMBOL(inet_frag_evictor);
static struct inet_frag_queue *inet_frag_intern(struct inet_frag_queue *qp_in,
- struct inet_frags *f, unsigned int hash)
+ struct inet_frags *f, unsigned int hash, void *arg)
{
struct inet_frag_queue *qp;
#ifdef CONFIG_SMP
* promoted read lock to write lock.
*/
hlist_for_each_entry(qp, n, &f->hash[hash], list) {
- if (f->equal(qp, qp_in)) {
+ if (f->match(qp, arg)) {
atomic_inc(&qp->refcnt);
write_unlock(&f->lock);
qp_in->last_in |= COMPLETE;
return q;
}
-struct inet_frag_queue *inet_frag_create(struct inet_frags *f, void *arg,
- unsigned int hash)
+static struct inet_frag_queue *inet_frag_create(struct inet_frags *f,
+ void *arg, unsigned int hash)
{
struct inet_frag_queue *q;
if (q == NULL)
return NULL;
- return inet_frag_intern(q, f, hash);
+ return inet_frag_intern(q, f, hash, arg);
+}
+
+struct inet_frag_queue *inet_frag_find(struct inet_frags *f, void *key,
+ unsigned int hash)
+{
+ struct inet_frag_queue *q;
+ struct hlist_node *n;
+
+ read_lock(&f->lock);
+ hlist_for_each_entry(q, n, &f->hash[hash], list) {
+ if (f->match(q, key)) {
+ atomic_inc(&q->refcnt);
+ read_unlock(&f->lock);
+ return q;
+ }
+ }
+ read_unlock(&f->lock);
+
+ return inet_frag_create(f, key, hash);
}
-EXPORT_SYMBOL(inet_frag_create);
+EXPORT_SYMBOL(inet_frag_find);