Add a variant of rcuref that operates on atomic_long_t instead of
atomic_t so it can be used for data structures that require
atomic_long_t.
Signed-off-by: Christian Brauner <brauner@xxxxxxxxxx>
---
include/linux/types.h | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/include/linux/types.h b/include/linux/types.h
index 2bc8766ba20cab014a380f02e5644bd0d772ec67..b10bf351f3e4d1f1c1ca16248199470306de4aa0 100644
--- a/include/linux/types.h
+++ b/include/linux/types.h
@@ -190,6 +190,16 @@ typedef struct {
#define RCUREF_INIT(i) { .refcnt = ATOMIC_INIT(i - 1) }
+typedef struct {
+#ifdef CONFIG_64BIT
+ atomic64_t refcnt;
+#else
+ atomic_t refcnt;
+#endif
+} rcuref_long_t;
+
+#define RCUREF_LONG_INIT(i) { .refcnt = ATOMIC_LONG_INIT(i - 1) }
+
struct list_head {
struct list_head *next, *prev;
};
--
2.45.2
