diff options
| -rw-r--r-- | fs/ceph/mds_client.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index fd5585b8d382..0a2eb32ffe43 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -2892,7 +2892,8 @@ static void send_mds_reconnect(struct ceph_mds_client *mdsc, spin_unlock(&session->s_cap_lock); /* trim unused caps to reduce MDS's cache rejoin time */ - shrink_dcache_parent(mdsc->fsc->sb->s_root); + if (mdsc->fsc->sb->s_root) + shrink_dcache_parent(mdsc->fsc->sb->s_root); ceph_con_close(&session->s_con); ceph_con_open(&session->s_con, |