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Diffstat (limited to 'fs/ceph/mds_client.c')
-rw-r--r--fs/ceph/mds_client.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index a5de8e22629b..b7fd7d69be07 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -3428,6 +3428,9 @@ static void delayed_work(struct work_struct *work)
dout("mdsc delayed_work\n");
ceph_check_delayed_caps(mdsc);
+ if (mdsc->stopping)
+ return;
+
mutex_lock(&mdsc->mutex);
renew_interval = mdsc->mdsmap->m_session_timeout >> 2;
renew_caps = time_after_eq(jiffies, HZ*renew_interval +
@@ -3752,7 +3755,16 @@ void ceph_mdsc_force_umount(struct ceph_mds_client *mdsc)
static void ceph_mdsc_stop(struct ceph_mds_client *mdsc)
{
dout("stop\n");
- cancel_delayed_work_sync(&mdsc->delayed_work); /* cancel timer */
+ /*
+ * Make sure the delayed work stopped before releasing
+ * the resources.
+ *
+ * Because the cancel_delayed_work_sync() will only
+ * guarantee that the work finishes executing. But the
+ * delayed work will re-arm itself again after that.
+ */
+ flush_delayed_work(&mdsc->delayed_work);
+
if (mdsc->mdsmap)
ceph_mdsmap_destroy(mdsc->mdsmap);
kfree(mdsc->sessions);