patch-2.1.47 linux/include/linux/dcache.h

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diff -u --recursive --new-file v2.1.46/linux/include/linux/dcache.h linux/include/linux/dcache.h
@@ -98,6 +98,10 @@
 /* appendix may either be NULL or be used for transname suffixes */
 extern struct dentry * d_lookup(struct dentry * dir, struct qstr * name);
+/* validate "insecure" dentry pointer */
+extern int d_validate(struct dentry *dentry, struct dentry *dparent,
+		      unsigned int hash, unsigned int len);
 /* write full pathname into buffer and return length */
 extern int d_path(struct dentry * entry, struct dentry * chroot, char * buf);

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