Commit a536e381 authored by David Teigland's avatar David Teigland

dlm: ignore cancel on granted lock

Return immediately from dlm_unlock(CANCEL) if the lock is
granted and not being converted; there's nothing to cancel.
Signed-off-by: default avatarDavid Teigland <teigland@redhat.com>
parent 43279e53
......@@ -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:
......
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