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authorKonstantin Belousov <kib@FreeBSD.org>2014-08-06 19:30:35 +0000
committerKonstantin Belousov <kib@FreeBSD.org>2014-08-06 19:30:35 +0000
commitfaaf5447600bcb498c0df6363248fd5b8c9ee93e (patch)
tree886622891ccf4b382a2c2a861e5f36061d5206c7 /sys/vm/vm_object.h
parent5d6041345255498a71bc6ac371e0637128da98cb (diff)
downloadsrc-faaf5447600bcb498c0df6363248fd5b8c9ee93e.tar.gz
src-faaf5447600bcb498c0df6363248fd5b8c9ee93e.zip
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
Notes
Notes: svn path=/head/; revision=269642
Diffstat (limited to 'sys/vm/vm_object.h')
-rw-r--r--sys/vm/vm_object.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/vm/vm_object.h b/sys/vm/vm_object.h
index 1f6c7c2ee246..48ba743bf2ec 100644
--- a/sys/vm/vm_object.h
+++ b/sys/vm/vm_object.h
@@ -225,6 +225,8 @@ extern struct vm_object kmem_object_store;
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_store;
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) \