Merge branch 'tip/perf/jump-label-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into perf/urgent

1 files changed, 8 insertions, 9 deletions

diff --git a/fs/exportfs/expfs.c b/fs/exportfs/expfs.c
index e9e175949a63..51b304056f10 100644
--- a/fs/exportfs/expfs.c
+++ b/fs/exportfs/expfs.c
@@ -74,21 +74,20 @@ static struct dentry *
 find_disconnected_root(struct dentry *dentry)
 {
 	dget(dentry);
-	spin_lock(&dentry->d_lock);
-	while (!IS_ROOT(dentry) &&
-	       (dentry->d_parent->d_flags & DCACHE_DISCONNECTED)) {
-		struct dentry *parent = dentry->d_parent;
-		dget(parent);
-		spin_unlock(&dentry->d_lock);
+	while (!IS_ROOT(dentry)) {
+		struct dentry *parent = dget_parent(dentry);
+
+		if (!(parent->d_flags & DCACHE_DISCONNECTED)) {
+			dput(parent);
+			break;
+		}
+
 		dput(dentry);
 		dentry = parent;
-		spin_lock(&dentry->d_lock);
 	}
-	spin_unlock(&dentry->d_lock);
 	return dentry;
 }
 
-
 /*
  * Make sure target_dir is fully connected to the dentry tree.
  *