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Properly ifdef support for vfs locking assertions based on DEBUG_VFS_LOCKS.

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Obtained from: bde
This commit is contained in:
Alexander Kabaev 2004-01-05 18:04:02 +00:00
parent 89144d1a8b
commit 64f4c8e8e0
1 changed files with 37 additions and 27 deletions
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64
sys/sys/vnode.h
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@ -486,6 +486,7 @@ struct vop_generic_args {
/* other random data follows, presumably */
};
#ifdef DEBUG_VFS_LOCKS
/*
* Support code to aid in debugging VFS locking problems. Not totally
* reliable since if the thread sleeps between changing the lock
@ -493,45 +494,54 @@ struct vop_generic_args {
* change the state. They are good enough for debugging a single
* filesystem using a single-threaded test.
*/
void assert_vi_locked(struct vnode *vp, const char *str);
void assert_vi_unlocked(struct vnode *vp, const char *str);
void assert_vop_unlocked(struct vnode *vp, const char *str);
void assert_vop_locked(struct vnode *vp, const char *str);
void assert_vop_slocked(struct vnode *vp, const char *str);
void assert_vop_elocked(struct vnode *vp, const char *str);
void assert_vop_elocked_other(struct vnode *vp, const char *str);
void assert_vi_locked(struct vnode *vp, const char *str);
void assert_vi_unlocked(struct vnode *vp, const char *str);
#if 0
void assert_vop_elocked(struct vnode *vp, const char *str);
void assert_vop_elocked_other(struct vnode *vp, const char *str);
#endif
void assert_vop_locked(struct vnode *vp, const char *str);
#if 0
voi0 assert_vop_slocked(struct vnode *vp, const char *str);
#endif
void assert_vop_unlocked(struct vnode *vp, const char *str);
/* These are called from within the actuall VOPS */
void vop_rename_pre(void *a);
void vop_strategy_pre(void *a);
void vop_lookup_pre(void *a);
void vop_lookup_post(void *a, int rc);
void vop_lock_pre(void *a);
void vop_lock_post(void *a, int rc);
void vop_unlock_pre(void *a);
void vop_unlock_post(void *a, int rc);
#ifdef DEBUG_VFS_LOCKS
/* These are called from within the actual VOPS. */
void vop_lock_pre(void *a);
void vop_lock_post(void *a, int rc);
void vop_lookup_post(void *a, int rc);
void vop_lookup_pre(void *a);
void vop_rename_pre(void *a);
void vop_strategy_pre(void *a);
void vop_unlock_post(void *a, int rc);
void vop_unlock_pre(void *a);
#define ASSERT_VI_LOCKED(vp, str) assert_vi_locked((vp), (str))
#define ASSERT_VI_UNLOCKED(vp, str) assert_vi_unlocked((vp), (str))
#define ASSERT_VOP_LOCKED(vp, str) assert_vop_locked((vp), (str))
#define ASSERT_VOP_UNLOCKED(vp, str) assert_vop_unlocked((vp), (str))
#if 0
#define ASSERT_VOP_ELOCKED(vp, str) assert_vop_elocked((vp), (str))
#define ASSERT_VOP_ELOCKED_OTHER(vp, str) assert_vop_locked_other((vp), (str))
#endif
#define ASSERT_VOP_LOCKED(vp, str) assert_vop_locked((vp), (str))
#if 0
#define ASSERT_VOP_SLOCKED(vp, str) assert_vop_slocked((vp), (str))
#endif
#define ASSERT_VOP_UNLOCKED(vp, str) assert_vop_unlocked((vp), (str))
#else
#else /* !DEBUG_VFS_LOCKS */
#define ASSERT_VOP_LOCKED(vp, str)
#define ASSERT_VOP_UNLOCKED(vp, str)
#define ASSERT_VI_LOCKED(vp, str)
#define ASSERT_VI_UNLOCKED(vp, str)
#if 0
#define ASSERT_VOP_ELOCKED(vp, str)
#define ASSERT_VOP_ELOCKED_OTHER(vp, str)
#define ASSERT_VOP_SLOCKED(vp, str)
#define ASSERT_VI_UNLOCKED(vp, str)
#define ASSERT_VI_LOCKED(vp, str)
#endif
#define ASSERT_VOP_LOCKED(vp, str)
#if 0
#define ASSERT_VOP_SLOCKED(vp, str)
#endif
#define ASSERT_VOP_UNLOCKED(vp, str)
#endif /* DEBUG_VFS_LOCKS */
/*
* VOCALL calls an op given an ops vector. We break it out because BSD's