[DLM] canceling deadlocked lock

Add a function that can be used through libdlm by a system daemon to cancel another process's deadlocked lock. A completion ast with EDEADLK is returned to the process waiting for the lock. Signed-off-by: David Teigland <teigland@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
2007-05-29 08:46:00 -05:00
parent 84d8cd69a8
commit 8b4021fa43
5 changed files with 81 additions and 0 deletions
@@ -92,6 +92,7 @@ struct dlm_lock_result {
 #define DLM_USER_CREATE_LOCKSPACE  4
 #define DLM_USER_REMOVE_LOCKSPACE  5
 #define DLM_USER_PURGE        6
+#define DLM_USER_DEADLOCK     7

 /* Arbitrary length restriction */
 #define MAX_LS_NAME_LEN 64