ceph: update the dlease for the hashed dentry when removing

The MDS will always refresh the dentry lease when removing the files
or directories. And if the dentry is still hashed, we can update
the dentry lease and no need to do the lookup from the MDS later.

Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 63113e2a4890763e255048c31a0b228cdba13a22..f9b68b2c9b120d71fded84b6ca14558092993f90 100644 (file)
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -1466,10 +1466,12 @@ retry_lookup:
                        } else if (have_lease) {
                                if (d_unhashed(dn))
                                        d_add(dn, NULL);
+                       }
+
+                       if (!d_unhashed(dn) && have_lease)
                                update_dentry_lease(dir, dn,
                                                    rinfo->dlease, session,
                                                    req->r_request_started);
-                       }
                        goto done;
                }