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-rw-r--r--sys/kern/vfs_cache.c9
-rw-r--r--sys/sys/vnode.h6
2 files changed, 15 insertions, 0 deletions
diff --git a/sys/kern/vfs_cache.c b/sys/kern/vfs_cache.c
index 5f72506549bd..e58d3f338085 100644
--- a/sys/kern/vfs_cache.c
+++ b/sys/kern/vfs_cache.c
@@ -2998,6 +2998,15 @@ cache_validate(struct vnode *dvp, struct vnode *vp, struct componentname *cnp)
}
mtx_unlock(blp);
}
+
+void
+cache_assert_no_entries(struct vnode *vp)
+{
+
+ VNPASS(TAILQ_EMPTY(&vp->v_cache_dst), vp);
+ VNPASS(LIST_EMPTY(&vp->v_cache_src), vp);
+ VNPASS(vp->v_cache_dd == NULL, vp);
+}
#endif
/*
diff --git a/sys/sys/vnode.h b/sys/sys/vnode.h
index 63b3c23bd072..167f1904b70d 100644
--- a/sys/sys/vnode.h
+++ b/sys/sys/vnode.h
@@ -676,11 +676,17 @@ void cache_vop_rmdir(struct vnode *dvp, struct vnode *vp);
#ifdef INVARIANTS
void cache_validate(struct vnode *dvp, struct vnode *vp,
struct componentname *cnp);
+void cache_assert_no_entries(struct vnode *vp);
#else
static inline void
cache_validate(struct vnode *dvp, struct vnode *vp, struct componentname *cnp)
{
}
+
+static inline void
+cache_assert_no_entries(struct vnode *vp)
+{
+}
#endif
void cache_fast_lookup_enabled_recalc(void);
int change_dir(struct vnode *vp, struct thread *td);