From 8527dd7187a05f2548010accdfad9dad892acf47 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Fri, 26 Sep 2014 21:26:50 -0400
Subject: [PATCH] don't open-code d_rehash() in d_materialise_unique()

... and get rid of duplicate BUG_ON() there

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
 fs/dcache.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/fs/dcache.c b/fs/dcache.c
index 36d84ec31d8a0a..22107630fc031b 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -2804,12 +2804,8 @@ struct dentry *d_materialise_unique(struct dentry *dentry, struct inode *inode)
 	actual = __d_instantiate_unique(dentry, inode);
 	if (!actual)
 		actual = dentry;
-	else
-		BUG_ON(!d_unhashed(actual));
 
-	spin_lock(&actual->d_lock);
-	_d_rehash(actual);
-	spin_unlock(&actual->d_lock);
+	d_rehash(actual);
 found:
 	spin_unlock(&inode->i_lock);
 out_nolock:
-- 
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