Add support for kref_read() function in the LinuxKPI.

MFC after: 1 week Submitted by: Johannes Lundberg <johalun0@gmail.com> Sponsored by: Mellanox Technologies
2018-02-17 20:56:35 +00:00 · 2018-02-17 20:56:35 +00:00 · f83f8b720f
commit f83f8b720f
parent 2e7a47da99
1 changed files with 7 additions and 0 deletions
--- a/sys/compat/linuxkpi/common/include/linux/kref.h
+++ b/sys/compat/linuxkpi/common/include/linux/kref.h
@ -52,6 +52,13 @@ kref_init(struct kref *kref)
 	refcount_init(&kref->refcount.counter, 1);
 }

+static inline unsigned int
+kref_read(const struct kref *kref)
+{
+
+	return (atomic_read(&kref->refcount));
+}
+
 static inline void
 kref_get(struct kref *kref)
 {