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-rw-r--r--fs/ceph/caps.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 2558fd14126a..41eb999dadf0 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -2518,6 +2518,8 @@ void ceph_kick_flushing_caps(struct ceph_mds_client *mdsc,
struct ceph_cap *cap;
u64 oldest_flush_tid;
+ lockdep_assert_held(&session->s_mutex);
+
dout("kick_flushing_caps mds%d\n", session->s_mds);
spin_lock(&mdsc->cap_dirty_lock);