fs: use hlist_unhashed

Use hlist_unhashed() instead of opencoded equivalent.

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/dcache.c b/fs/dcache.c
index d9ca1e5..1c323dd 100644 (file)
--- a/fs/dcache.c
+++ b/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);