Author: kib
Date: Wed Aug 6 19:30:35 2014
New Revision: 269642
URL: http://svnweb.freebsd.org/changeset/base/269642
Log:
Add wrappers to assert that vm object is unlocked and for try upgrade.
Reviewed by: alc
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Modified:
head/sys/vm/vm_object.h
Modified: head/sys/vm/vm_object.h
==============================================================================
--- head/sys/vm/vm_object.h Wed Aug 6 19:09:21 2014 (r269641)
+++ head/sys/vm/vm_object.h Wed Aug 6 19:30:35 2014 (r269642)
@@ -225,6 +225,8 @@ extern struct vm_object kmem_object_stor
rw_assert(&(object)->lock, RA_RLOCKED)
#define VM_OBJECT_ASSERT_WLOCKED(object)
\
rw_assert(&(object)->lock, RA_WLOCKED)
+#define VM_OBJECT_ASSERT_UNLOCKED(object)
\
+ rw_assert(&(object)->lock, RA_UNLOCKED)
#define VM_OBJECT_LOCK_DOWNGRADE(object)
\
rw_downgrade(&(object)->lock)
#define VM_OBJECT_RLOCK(object)
\
@@ -237,6 +239,8 @@ extern struct vm_object kmem_object_stor
rw_try_rlock(&(object)->lock)
#define VM_OBJECT_TRYWLOCK(object)
\
rw_try_wlock(&(object)->lock)
+#define VM_OBJECT_TRYUPGRADE(object)
\
+ rw_try_upgrade(&(object)->lock)
#define VM_OBJECT_WLOCK(object)
\
rw_wlock(&(object)->lock)
#define VM_OBJECT_WUNLOCK(object)
\
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