From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Teigland Date: Tue, 24 Mar 2009 09:11:35 -0500 Subject: [Cluster-devel] [PATCH 6/7] dlm: ignore cancel on granted lock Message-ID: <1237903896-18969-7-git-send-email-teigland@redhat.com> List-Id: To: cluster-devel.redhat.com MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return immediately from dlm_unlock(CANCEL) if the lock is granted and not being converted; there's nothing to cancel. Signed-off-by: David Teigland --- fs/dlm/lock.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c index 8cb9204..205ec95 100644 --- a/fs/dlm/lock.c +++ b/fs/dlm/lock.c @@ -2186,6 +2186,13 @@ static int validate_unlock_args(struct dlm_lkb *lkb, struct dlm_args *args) goto out; } + /* there's nothing to cancel */ + if (lkb->lkb_status == DLM_LKSTS_GRANTED && + !lkb->lkb_wait_type) { + rv = -EBUSY; + goto out; + } + switch (lkb->lkb_wait_type) { case DLM_MSG_LOOKUP: case DLM_MSG_REQUEST: -- 1.5.5.6