Merge branch 'x86/amd-nb' into x86/apic-cleanups

Reason: apic cleanup series depends on x86/apic, x86/amd-nb x86/platform

Conflicts:
	arch/x86/include/asm/io_apic.h

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

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.
  *