[PATCH] fs: use hlist_unhashed

[Akinobu Mita <akinobu.mita@gmail.com>]

Use hlist_unhashed() instead of opencoded equivalent.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>

---
 fs/dcache.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: 2.6-mm/fs/dcache.c
===================================================================
--- 2.6-mm.orig/fs/dcache.c
+++ 2.6-mm/fs/dcache.c
@@ -89,7 +89,7 @@ static void d_free(struct dentry *dentry
 	if (dentry->d_op && dentry->d_op->d_release)
 		dentry->d_op->d_release(dentry);
 	/* if dentry was never inserted into hash, immediate free is OK */
-	if (dentry->d_hash.pprev == NULL)
+	if (hlist_unhashed(&dentry->d_hash))
 		__d_free(dentry);
 	else
 		call_rcu(&dentry->d_u.d_rcu, d_callback);
-
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