Author: hselasky
Date: Sat Feb 17 20:56:35 2018
New Revision: 329468
URL: https://svnweb.freebsd.org/changeset/base/329468
Log:
Add support for kref_read() function in the LinuxKPI.
MFC after: 1 week
Submitted by: Johannes Lundberg <johal...@gmail.com>
Sponsored by: Mellanox Technologies
Modified:
head/sys/compat/linuxkpi/common/include/linux/kref.h
Modified: head/sys/compat/linuxkpi/common/include/linux/kref.h
==============================================================================
--- head/sys/compat/linuxkpi/common/include/linux/kref.h Sat Feb 17
20:52:54 2018 (r329467)
+++ head/sys/compat/linuxkpi/common/include/linux/kref.h Sat Feb 17
20:56:35 2018 (r329468)
@@ -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)
{
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