This is useful in our automated testing, so that
we can verify that the barrier is propagating
correctly between servers and clients.
Signed-off-by: John Spray <john.spray@xxxxxxxxxx>
---
fs/ceph/debugfs.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/fs/ceph/debugfs.c b/fs/ceph/debugfs.c
index 5d5a4c8..60db629 100644
--- a/fs/ceph/debugfs.c
+++ b/fs/ceph/debugfs.c
@@ -174,6 +174,9 @@ static int mds_sessions_show(struct seq_file *s, void *ptr)
/* The -o name mount argument */
seq_printf(s, "name \"%s\"\n", opt->name ? opt->name : "");
+ /* The latest OSD epoch barrier known to this client */
+ seq_printf(s, "osd_epoch_barrier \"%d\"\n", mdsc->cap_epoch_barrier);
+
/* The list of MDS session rank+state */
for (mds = 0; mds < mdsc->max_sessions; mds++) {
struct ceph_mds_session *session =
--
1.9.3
--
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