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Add wrappers to assert that vm object is unlocked and for try upgrade.

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Reviewed by:	alc
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
This commit is contained in:
Konstantin Belousov 2014-08-06 19:30:35 +00:00
parent 5d60413452
commit faaf544760
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=269642
1 changed files with 4 additions and 0 deletions
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4
sys/vm/vm_object.h
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@ -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) \