[PATCH 01/30] ocfs2_dlm: Call node eviction callbacks from heartbeat handler

From: Mark Fasheh
Date: Thu Jan 17 2008 - 17:47:01 EST


With this, a dlm client can take advantage of the group protocol in the dlm
to get full notification whenever a node within the dlm domain leaves
unexpectedly.

Signed-off-by: Mark Fasheh <mark.fasheh@xxxxxxxxxx>
---
fs/ocfs2/dlm/dlmrecovery.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c
index 2fde7bf..b10f3e3 100644
--- a/fs/ocfs2/dlm/dlmrecovery.c
+++ b/fs/ocfs2/dlm/dlmrecovery.c
@@ -2321,6 +2321,13 @@ void dlm_hb_node_down_cb(struct o2nm_node *node, int idx, void *data)
if (!dlm_grab(dlm))
return;

+ /*
+ * This will notify any dlm users that a node in our domain
+ * went away without notifying us first.
+ */
+ if (test_bit(idx, dlm->domain_map))
+ dlm_fire_domain_eviction_callbacks(dlm, idx);
+
spin_lock(&dlm->spinlock);
__dlm_hb_node_down(dlm, idx);
spin_unlock(&dlm->spinlock);
--
1.5.3.6

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/