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authorDavid Teigland <teigland@redhat.com>2011-03-28 21:17:26 +0200
committerDavid Teigland <teigland@redhat.com>2011-04-01 21:19:06 +0200
commitc6ff669bac5c409f4cb74366248f51b73f7d6feb (patch)
tree14c4b7dc943a7dde8fd6d80bc9d149dadc0d59b8 /fs/dlm/dlm_internal.h
parentdlm: Remove superfluous call to recalc_sigpending() (diff)
downloadlinux-c6ff669bac5c409f4cb74366248f51b73f7d6feb.tar.xz
linux-c6ff669bac5c409f4cb74366248f51b73f7d6feb.zip
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];