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-rw-r--r--include/net/af_unix.h9
-rw-r--r--include/net/scm.h3
2 files changed, 12 insertions, 0 deletions
diff --git a/include/net/af_unix.h b/include/net/af_unix.h
index 627ea8e2d915..c270877a5256 100644
--- a/include/net/af_unix.h
+++ b/include/net/af_unix.h
@@ -22,9 +22,17 @@ extern unsigned int unix_tot_inflight;
void unix_inflight(struct user_struct *user, struct file *fp);
void unix_notinflight(struct user_struct *user, struct file *fp);
+int unix_prepare_fpl(struct scm_fp_list *fpl);
+void unix_destroy_fpl(struct scm_fp_list *fpl);
void unix_gc(void);
void wait_for_unix_gc(struct scm_fp_list *fpl);
+struct unix_vertex {
+ struct list_head edges;
+ struct list_head entry;
+ unsigned long out_degree;
+};
+
struct sock *unix_peer_get(struct sock *sk);
#define UNIX_HASH_MOD (256 - 1)
@@ -62,6 +70,7 @@ struct unix_sock {
struct path path;
struct mutex iolock, bindlock;
struct sock *peer;
+ struct unix_vertex *vertex;
struct list_head link;
unsigned long inflight;
spinlock_t lock;
diff --git a/include/net/scm.h b/include/net/scm.h
index 92276a2c5543..e34321b6e204 100644
--- a/include/net/scm.h
+++ b/include/net/scm.h
@@ -27,6 +27,9 @@ struct scm_fp_list {
short count;
short count_unix;
short max;
+#ifdef CONFIG_UNIX
+ struct list_head vertices;
+#endif
struct user_struct *user;
struct file *fp[SCM_MAX_FD];
};