From 2580a580e029f9a59a66cd230b1fd7e2d9ee339d Mon Sep 17 00:00:00 2001 From: Kurt Hackel Date: Thu, 27 Apr 2006 17:59:46 -0700 Subject: ocfs2: recheck lockres master before sending an unlock request. Recovery may have happened and it may now be mastered locally. Signed-off-by: Kurt Hackel Signed-off-by: Mark Fasheh --- fs/ocfs2/dlm/dlmunlock.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/fs/ocfs2/dlm/dlmunlock.c b/fs/ocfs2/dlm/dlmunlock.c index ac89c509daf9..9b40d60e3b49 100644 --- a/fs/ocfs2/dlm/dlmunlock.c +++ b/fs/ocfs2/dlm/dlmunlock.c @@ -317,6 +317,16 @@ static enum dlm_status dlm_send_remote_unlock_request(struct dlm_ctxt *dlm, size_t veclen = 1; mlog_entry("%.*s\n", res->lockname.len, res->lockname.name); + + if (owner == dlm->node_num) { + /* ended up trying to contact ourself. this means + * that the lockres had been remote but became local + * via a migration. just retry it, now as local */ + mlog(0, "%s:%.*s: this node became the master due to a " + "migration, re-evaluate now\n", dlm->name, + res->lockname.len, res->lockname.name); + return DLM_FORWARD; + } memset(&unlock, 0, sizeof(unlock)); unlock.node_idx = dlm->node_num; -- cgit v1.2.2