From c6ff669bac5c409f4cb74366248f51b73f7d6feb Mon Sep 17 00:00:00 2001 From: David Teigland Date: Mon, 28 Mar 2011 14:17:26 -0500 Subject: dlm: delayed reply message warning Add an option (disabled by default) to print a warning message when a lock has been waiting a configurable amount of time for a reply message from another node. This is mainly for debugging. Signed-off-by: David Teigland --- fs/dlm/dlm_internal.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'fs/dlm/dlm_internal.h') diff --git a/fs/dlm/dlm_internal.h b/fs/dlm/dlm_internal.h index b94204913011..6a92478fe1f1 100644 --- a/fs/dlm/dlm_internal.h +++ b/fs/dlm/dlm_internal.h @@ -245,6 +245,7 @@ struct dlm_lkb { int8_t lkb_wait_type; /* type of reply waiting for */ int8_t lkb_wait_count; + int lkb_wait_nodeid; /* for debugging */ struct list_head lkb_idtbl_list; /* lockspace lkbtbl */ struct list_head lkb_statequeue; /* rsb g/c/w list */ @@ -254,6 +255,7 @@ struct dlm_lkb { struct list_head lkb_ownqueue; /* list of locks for a process */ struct list_head lkb_time_list; ktime_t lkb_timestamp; + ktime_t lkb_wait_time; unsigned long lkb_timeout_cs; struct dlm_callback lkb_callbacks[DLM_CALLBACKS_SIZE]; -- cgit v1.2.3