[src/trunk]: src/sys/external/bsd/drm2/include/linux Revert "Rename private m...

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/7390b5ed846e
branches:  trunk
changeset: 365817:7390b5ed846e
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Mon Aug 27 06:51:52 2018 +0000

description:
Revert "Rename private member of kref, because Linux abuses the abstraction."

This reverts commit d45132a71ee3c2570db2f10eac27283d3ac5b392.

Linux's abuse will be fixed.

diffstat:

 sys/external/bsd/drm2/include/linux/kref.h |  28 ++++++++++++++--------------
 1 files changed, 14 insertions(+), 14 deletions(-)

diffs (102 lines):

diff -r 37975a6c5440 -r 7390b5ed846e sys/external/bsd/drm2/include/linux/kref.h
--- a/sys/external/bsd/drm2/include/linux/kref.h        Mon Aug 27 06:51:38 2018 +0000
+++ b/sys/external/bsd/drm2/include/linux/kref.h        Mon Aug 27 06:51:52 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: kref.h,v 1.5 2018/08/27 06:46:17 riastradh Exp $       */
+/*     $NetBSD: kref.h,v 1.6 2018/08/27 06:51:52 riastradh Exp $       */
 
 /*-
  * Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -39,20 +39,20 @@
 #include <linux/mutex.h>
 
 struct kref {
-       unsigned int refcount;
+       unsigned int kr_count;
 };
 
 static inline void
 kref_init(struct kref *kref)
 {
-       kref->refcount = 1;
+       kref->kr_count = 1;
 }
 
 static inline void
 kref_get(struct kref *kref)
 {
        const unsigned int count __unused =
-           atomic_inc_uint_nv(&kref->refcount);
+           atomic_inc_uint_nv(&kref->kr_count);
 
        KASSERTMSG((count > 1), "getting released kref");
 }
@@ -63,10 +63,10 @@
        unsigned count;
 
        do {
-               count = kref->refcount;
+               count = kref->kr_count;
                if ((count == 0) || (count == UINT_MAX))
                        return false;
-       } while (atomic_cas_uint(&kref->refcount, count, (count + 1)) !=
+       } while (atomic_cas_uint(&kref->kr_count, count, (count + 1)) !=
            count);
 
        return true;
@@ -78,11 +78,11 @@
        unsigned int old, new;
 
        do {
-               old = kref->refcount;
+               old = kref->kr_count;
                KASSERTMSG((count <= old), "overreleasing kref: %u - %u",
                    old, count);
                new = (old - count);
-       } while (atomic_cas_uint(&kref->refcount, old, new) != old);
+       } while (atomic_cas_uint(&kref->kr_count, old, new) != old);
 
        if (new == 0) {
                (*release)(kref);
@@ -106,11 +106,11 @@
        unsigned int old, new;
 
        do {
-               old = kref->refcount;
+               old = kref->kr_count;
                KASSERT(old > 0);
                if (old == 1) {
                        mutex_lock(interlock);
-                       if (atomic_add_int_nv(&kref->refcount, -1) == 0) {
+                       if (atomic_add_int_nv(&kref->kr_count, -1) == 0) {
                                (*release)(kref);
                                return 1;
                        }
@@ -118,7 +118,7 @@
                        return 0;
                }
                new = (old - 1);
-       } while (atomic_cas_uint(&kref->refcount, old, new) != old);
+       } while (atomic_cas_uint(&kref->kr_count, old, new) != old);
 
        return 0;
 }
@@ -131,15 +131,15 @@
 kref_referenced_p(struct kref *kref)
 {
 
-       return (0 < kref->refcount);
+       return (0 < kref->kr_count);
 }
 
 static inline bool
 kref_exclusive_p(struct kref *kref)
 {
 
-       KASSERT(0 < kref->refcount);
-       return (kref->refcount == 1);
+       KASSERT(0 < kref->kr_count);
+       return (kref->kr_count == 1);
 }
 
 #endif  /* _LINUX_KREF_H_ */