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-rw-r--r--include/net/af_unix.h5
-rw-r--r--net/unix/garbage.c12
2 files changed, 9 insertions, 8 deletions
diff --git a/include/net/af_unix.h b/include/net/af_unix.h
index a8836e8445cc..dbdfd2b0f3b3 100644
--- a/include/net/af_unix.h
+++ b/include/net/af_unix.h
@@ -57,9 +57,10 @@ struct unix_sock {
struct list_head link;
atomic_long_t inflight;
spinlock_t lock;
- unsigned int gc_candidate : 1;
- unsigned int gc_maybe_cycle : 1;
unsigned char recursion_level;
+ unsigned long gc_flags;
+#define UNIX_GC_CANDIDATE 0
+#define UNIX_GC_MAYBE_CYCLE 1
struct socket_wq peer_wq;
};
#define unix_sk(__sk) ((struct unix_sock *)__sk)
diff --git a/net/unix/garbage.c b/net/unix/garbage.c
index d0f6545b0010..9bc73f87f64a 100644
--- a/net/unix/garbage.c
+++ b/net/unix/garbage.c
@@ -185,7 +185,7 @@ static void scan_inflight(struct sock *x, void (*func)(struct unix_sock *),
* have been added to the queues after
* starting the garbage collection
*/
- if (u->gc_candidate) {
+ if (test_bit(UNIX_GC_CANDIDATE, &u->gc_flags)) {
hit = true;
func(u);
}
@@ -254,7 +254,7 @@ static void inc_inflight_move_tail(struct unix_sock *u)
* of the list, so that it's checked even if it was already
* passed over
*/
- if (u->gc_maybe_cycle)
+ if (test_bit(UNIX_GC_MAYBE_CYCLE, &u->gc_flags))
list_move_tail(&u->link, &gc_candidates);
}
@@ -315,8 +315,8 @@ void unix_gc(void)
BUG_ON(total_refs < inflight_refs);
if (total_refs == inflight_refs) {
list_move_tail(&u->link, &gc_candidates);
- u->gc_candidate = 1;
- u->gc_maybe_cycle = 1;
+ __set_bit(UNIX_GC_CANDIDATE, &u->gc_flags);
+ __set_bit(UNIX_GC_MAYBE_CYCLE, &u->gc_flags);
}
}
@@ -344,7 +344,7 @@ void unix_gc(void)
if (atomic_long_read(&u->inflight) > 0) {
list_move_tail(&u->link, &not_cycle_list);
- u->gc_maybe_cycle = 0;
+ __clear_bit(UNIX_GC_MAYBE_CYCLE, &u->gc_flags);
scan_children(&u->sk, inc_inflight_move_tail, NULL);
}
}
@@ -356,7 +356,7 @@ void unix_gc(void)
*/
while (!list_empty(&not_cycle_list)) {
u = list_entry(not_cycle_list.next, struct unix_sock, link);
- u->gc_candidate = 0;
+ __clear_bit(UNIX_GC_CANDIDATE, &u->gc_flags);
list_move_tail(&u->link, &gc_inflight_list);
}