Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph...
[~shefty/rdma-dev.git] / fs / ceph / dir.c
index 00894ff9246c2175b60177bab59b70456733ff01..f391f1e754145141235bf89d28da37d5c6aba005 100644 (file)
@@ -51,8 +51,7 @@ int ceph_init_dentry(struct dentry *dentry)
                goto out_unlock;
        }
 
-       if (dentry->d_parent == NULL ||   /* nfs fh_to_dentry */
-           ceph_snap(dentry->d_parent->d_inode) == CEPH_NOSNAP)
+       if (ceph_snap(dentry->d_parent->d_inode) == CEPH_NOSNAP)
                d_set_d_op(dentry, &ceph_dentry_ops);
        else if (ceph_snap(dentry->d_parent->d_inode) == CEPH_SNAPDIR)
                d_set_d_op(dentry, &ceph_snapdir_dentry_ops);
@@ -79,7 +78,7 @@ struct inode *ceph_get_dentry_parent_inode(struct dentry *dentry)
                return NULL;
 
        spin_lock(&dentry->d_lock);
-       if (dentry->d_parent) {
+       if (!IS_ROOT(dentry)) {
                inode = dentry->d_parent->d_inode;
                ihold(inode);
        }
@@ -1154,7 +1153,7 @@ static void ceph_d_prune(struct dentry *dentry)
        dout("ceph_d_prune %p\n", dentry);
 
        /* do we have a valid parent? */
-       if (!dentry->d_parent || IS_ROOT(dentry))
+       if (IS_ROOT(dentry))
                return;
 
        /* if we are not hashed, we don't affect D_COMPLETE */