Merge branch 'for-jens' of git://git.drbd.org/linux-2.6-drbd into for-linus
[firefly-linux-kernel-4.4.55.git] / fs / nfs / dir.c
index be46f26c9a5616cc2181fa98b9d9b7157a2cd7ce..a7bb5c694aa303640640938e0a87670aaba9545c 100644 (file)
@@ -837,6 +837,8 @@ out_zap_parent:
                /* If we have submounts, don't unhash ! */
                if (have_submounts(dentry))
                        goto out_valid;
+               if (dentry->d_flags & DCACHE_DISCONNECTED)
+                       goto out_valid;
                shrink_dcache_parent(dentry);
        }
        d_drop(dentry);
@@ -1050,7 +1052,7 @@ static int nfs_open_revalidate(struct dentry *dentry, struct nameidata *nd)
        struct inode *dir;
        int openflags, ret = 0;
 
-       if (!is_atomic_open(nd))
+       if (!is_atomic_open(nd) || d_mountpoint(dentry))
                goto no_open;
        parent = dget_parent(dentry);
        dir = parent->d_inode;