patch 27/38: SERVER: new routine fh_dup2()

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Define fh_dup2(), which copies a _verified_ filehandle, taking care
of refcounts accordingly. (This will be used by RESTOREFH/SAVEFH and
a few other places.)

--- old/include/linux/nfsd/nfsfh.h Tue Jul 30 22:12:36 2002
+++ new/include/linux/nfsd/nfsfh.h Mon Jul 29 11:50:09 2002
@@ -238,6 +238,14 @@ fh_copy(struct svc_fh *dst, struct svc_f
         return dst;
 }

+static __inline__ void
+fh_dup2(struct svc_fh *dst, struct svc_fh *src)
+{
+ fh_put(dst);
+ dget(src->fh_dentry);
+ *dst = *src;
+}
+
 static __inline__ struct svc_fh *
 fh_init(struct svc_fh *fhp, int maxsize)
 {

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