dlm: change lock time stamping

Use ktime instead of jiffies for timestamping lkb's.  Also stamp the
time on every lkb whenever it's added to a resource queue, instead of
just stamping locks subject to timeouts.  This will allow us to use
timestamps more widely for debugging all locks.

Signed-off-by: David Teigland <teigland@redhat.com>

1 files changed, 7 insertions, 7 deletions

diff --git a/fs/dlm/debug_fs.c b/fs/dlm/debug_fs.c
index 8fc24f4507a3..19e4f9eb44e1 100644
--- a/fs/dlm/debug_fs.c
+++ b/fs/dlm/debug_fs.c
@@ -162,21 +162,21 @@ static int print_resource(struct dlm_rsb *res, struct seq_file *s)
 
 static void print_lock(struct seq_file *s, struct dlm_lkb *lkb, struct dlm_rsb *r)
 {
-        unsigned int waiting = 0;
-        uint64_t xid = 0;
+        u64 xid = 0;
+        u64 us;
 
         if (lkb->lkb_flags & DLM_IFL_USER) {
                 if (lkb->lkb_ua)
                         xid = lkb->lkb_ua->xid;
         }
 
-        if (lkb->lkb_timestamp)
-                waiting = jiffies_to_msecs(jiffies - lkb->lkb_timestamp);
+        /* microseconds since lkb was added to current queue */
+        us = ktime_to_us(ktime_sub(ktime_get(), lkb->lkb_timestamp));
 
-        /* id nodeid remid pid xid exflags flags sts grmode rqmode time_ms
+        /* id nodeid remid pid xid exflags flags sts grmode rqmode time_us
            r_nodeid r_len r_name */
 
-        seq_printf(s, "%x %d %x %u %llu %x %x %d %d %d %u %u %d \"%s\"\n",
+        seq_printf(s, "%x %d %x %u %llu %x %x %d %d %d %llu %u %d \"%s\"\n",
                    lkb->lkb_id,
                    lkb->lkb_nodeid,
                    lkb->lkb_remid,
@@ -187,7 +187,7 @@ static void print_lock(struct seq_file *s, struct dlm_lkb *lkb, struct dlm_rsb *
                    lkb->lkb_status,
                    lkb->lkb_grmode,
                    lkb->lkb_rqmode,
-                   waiting,
+                   (unsigned long long)us,
                    r->res_nodeid,
                    r->res_length,
                    r->res_name);