summary refs log tree commit diff
path: root/fs/dlm/dlm_internal.h
diff options
context:
space:
mode:
authorDavid Teigland <teigland@redhat.com>2011-03-28 14:17:26 -0500
committerDavid Teigland <teigland@redhat.com>2011-04-01 14:19:06 -0500
commitc6ff669bac5c409f4cb74366248f51b73f7d6feb (patch)
tree14c4b7dc943a7dde8fd6d80bc9d149dadc0d59b8 /fs/dlm/dlm_internal.h
parent4bcad6c1ef53a9a0224f4654ceb3b9030d0769ec (diff)
downloadlinux-c6ff669bac5c409f4cb74366248f51b73f7d6feb.tar.gz
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 <teigland@redhat.com>
Diffstat (limited to 'fs/dlm/dlm_internal.h')
-rw-r--r--fs/dlm/dlm_internal.h2
1 files changed, 2 insertions, 0 deletions
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];