[PATCH 1/2] ceph: protect kick_requests() with mdsc->mutex

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From: "Yan, Zheng" <ukernel@xxxxxxxxx>

Signed-off-by: Yan, Zheng <zyan@xxxxxxxxxx>
---
 fs/ceph/mds_client.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index f751fea..267ba44 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -2471,9 +2471,8 @@ static void handle_session(struct ceph_mds_session *session,
 		if (session->s_state == CEPH_MDS_SESSION_RECONNECTING)
 			pr_info("mds%d reconnect denied\n", session->s_mds);
 		remove_session_caps(session);
-		wake = 1; /* for good measure */
+		wake = 2; /* for good measure */
 		wake_up_all(&mdsc->session_close_wq);
-		kick_requests(mdsc, mds);
 		break;
 
 	case CEPH_SESSION_STALE:
@@ -2503,6 +2502,8 @@ static void handle_session(struct ceph_mds_session *session,
 	if (wake) {
 		mutex_lock(&mdsc->mutex);
 		__wake_requests(mdsc, &session->s_waiting);
+		if (wake == 2)
+			kick_requests(mdsc, mds);
 		mutex_unlock(&mdsc->mutex);
 	}
 	return;
-- 
1.9.3

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