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| author | Kurt Hackel <kurt.hackel@oracle.com> | 2006-05-01 22:46:59 +0400 |
|---|---|---|
| committer | Mark Fasheh <mark.fasheh@oracle.com> | 2006-06-27 01:43:02 +0400 |
| commit | e4eb03681a8313168d99c2f93175331a898a2c16 (patch) | |
| tree | 37d2f18b8a60f672a84330725c32bcdd2f768b49 /fs/ocfs2/dlm | |
| parent | ccd8b1f916bc5e4b2156f03ccd3546be7f65f6b3 (diff) | |
| download | linux-e4eb03681a8313168d99c2f93175331a898a2c16.tar.xz | |
ocfs2: gracefully handle stale create_lock messages.
This is an error on the sending side, so gracefully error out on the
receiving end.
Signed-off-by: Kurt Hackel <kurt.hackel@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Diffstat (limited to 'fs/ocfs2/dlm')
| -rw-r--r-- | fs/ocfs2/dlm/dlmlock.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/fs/ocfs2/dlm/dlmlock.c b/fs/ocfs2/dlm/dlmlock.c index 55cda25ae11b..57576208b79c 100644 --- a/fs/ocfs2/dlm/dlmlock.c +++ b/fs/ocfs2/dlm/dlmlock.c @@ -280,6 +280,14 @@ static enum dlm_status dlm_send_remote_lock_request(struct dlm_ctxt *dlm, if (tmpret >= 0) { // successfully sent and received ret = status; // this is already a dlm_status + if (ret == DLM_RECOVERING) { + mlog(ML_ERROR, "%s:%.*s: BUG. this is a stale lockres " + "no longer owned by %u. that node is coming back " + "up currently.\n", dlm->name, create.namelen, + create.name, res->owner); + dlm_print_one_lock_resource(res); + BUG(); + } } else { mlog_errno(tmpret); if (dlm_is_host_down(tmpret)) { @@ -428,11 +436,16 @@ int dlm_create_lock_handler(struct o2net_msg *msg, u32 len, void *data) if (!dlm_grab(dlm)) return DLM_REJECTED; - mlog_bug_on_msg(!dlm_domain_fully_joined(dlm), - "Domain %s not fully joined!\n", dlm->name); - name = create->name; namelen = create->namelen; + status = DLM_RECOVERING; + if (!dlm_domain_fully_joined(dlm)) { + mlog(ML_ERROR, "Domain %s not fully joined, but node %u is " + "sending a create_lock message for lock %.*s!\n", + dlm->name, create->node_idx, namelen, name); + dlm_error(status); + goto leave; + } status = DLM_IVBUFLEN; if (namelen > DLM_LOCKID_NAME_MAX) { |