static LIST_HEAD(gc_candidates);
static DEFINE_SPINLOCK(unix_gc_lock);
-atomic_t unix_tot_inflight = ATOMIC_INIT(0);
+unsigned int unix_tot_inflight;
static struct sock *unix_get_socket(struct file *filp)
if(s) {
struct unix_sock *u = unix_sk(s);
spin_lock(&unix_gc_lock);
- if (atomic_inc_return(&u->inflight) == 1) {
+ if (atomic_long_inc_return(&u->inflight) == 1) {
BUG_ON(!list_empty(&u->link));
list_add_tail(&u->link, &gc_inflight_list);
} else {
BUG_ON(list_empty(&u->link));
}
- atomic_inc(&unix_tot_inflight);
+ unix_tot_inflight++;
spin_unlock(&unix_gc_lock);
}
}
struct unix_sock *u = unix_sk(s);
spin_lock(&unix_gc_lock);
BUG_ON(list_empty(&u->link));
- if (atomic_dec_and_test(&u->inflight))
+ if (atomic_long_dec_and_test(&u->inflight))
list_del_init(&u->link);
- atomic_dec(&unix_tot_inflight);
+ unix_tot_inflight--;
spin_unlock(&unix_gc_lock);
}
}
for (skb = sock_queue_head(sk)->next, next = skb->next; \
skb != sock_queue_head(sk); skb = next, next = skb->next)
-static void scan_inflight(struct sock *x, void (*func)(struct sock *),
+static void scan_inflight(struct sock *x, void (*func)(struct unix_sock *),
struct sk_buff_head *hitlist)
{
struct sk_buff *skb;
* if it indeed does so
*/
struct sock *sk = unix_get_socket(*fp++);
- if(sk) {
+ if (sk) {
hit = true;
- func(sk);
+ func(unix_sk(sk));
}
}
if (hit && hitlist != NULL) {
spin_unlock(&x->sk_receive_queue.lock);
}
-static void scan_children(struct sock *x, void (*func)(struct sock *),
+static void scan_children(struct sock *x, void (*func)(struct unix_sock *),
struct sk_buff_head *hitlist)
{
if (x->sk_state != TCP_LISTEN)
}
}
-static void dec_inflight(struct sock *sk)
+static void dec_inflight(struct unix_sock *usk)
{
- atomic_dec(&unix_sk(sk)->inflight);
+ atomic_long_dec(&usk->inflight);
}
-static void inc_inflight(struct sock *sk)
+static void inc_inflight(struct unix_sock *usk)
{
- atomic_inc(&unix_sk(sk)->inflight);
+ atomic_long_inc(&usk->inflight);
}
-static void inc_inflight_move_tail(struct sock *sk)
+static void inc_inflight_move_tail(struct unix_sock *u)
{
- struct unix_sock *u = unix_sk(sk);
-
- atomic_inc(&u->inflight);
+ atomic_long_inc(&u->inflight);
/*
* If this is still a candidate, move it to the end of the
* list, so that it's checked even if it was already passed
* before the detach without atomicity guarantees.
*/
list_for_each_entry_safe(u, next, &gc_inflight_list, link) {
- int total_refs;
- int inflight_refs;
+ long total_refs;
+ long inflight_refs;
total_refs = file_count(u->sk.sk_socket->file);
- inflight_refs = atomic_read(&u->inflight);
+ inflight_refs = atomic_long_read(&u->inflight);
BUG_ON(inflight_refs < 1);
BUG_ON(total_refs < inflight_refs);
/* Move cursor to after the current position. */
list_move(&cursor, &u->link);
- if (atomic_read(&u->inflight) > 0) {
+ if (atomic_long_read(&u->inflight) > 0) {
list_move_tail(&u->link, &gc_inflight_list);
u->gc_candidate = 0;
scan_children(&u->sk, inc_inflight_move_tail, NULL);