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| author | David Teigland <teigland@redhat.com> | 2008-12-09 14:47:29 -0600 |
|---|---|---|
| committer | David Teigland <teigland@redhat.com> | 2008-12-23 10:18:34 -0600 |
| commit | e3a84ad495d1fddb542e0922160f0194a1361950 (patch) | |
| tree | acc2d0c23440b68b1a9b9b048c2d0fae4735303b | |
| parent | eeda418d8c2646f33f24e9ad33d86c239adc6de7 (diff) | |
| download | op-kernel-dev-e3a84ad495d1fddb542e0922160f0194a1361950.zip op-kernel-dev-e3a84ad495d1fddb542e0922160f0194a1361950.tar.gz | |
dlm: add time stamp of blocking callback
Record the time the latest blocking callback was queued for
a lock. This will be used for debugging in combination with
lock queue timestamp changes in the previous patch.
Signed-off-by: David Teigland <teigland@redhat.com>
| -rw-r--r-- | fs/dlm/dlm_internal.h | 1 | ||||
| -rw-r--r-- | fs/dlm/lock.c | 2 |
2 files changed, 3 insertions, 0 deletions
diff --git a/fs/dlm/dlm_internal.h b/fs/dlm/dlm_internal.h index e69135c..0c48829 100644 --- a/fs/dlm/dlm_internal.h +++ b/fs/dlm/dlm_internal.h @@ -245,6 +245,7 @@ struct dlm_lkb { struct list_head lkb_astqueue; /* need ast to be sent */ struct list_head lkb_ownqueue; /* list of locks for a process */ struct list_head lkb_time_list; + ktime_t lkb_time_bast; /* for debugging */ ktime_t lkb_timestamp; unsigned long lkb_timeout_cs; diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c index dfc57ae..6cfe65b 100644 --- a/fs/dlm/lock.c +++ b/fs/dlm/lock.c @@ -318,6 +318,8 @@ static inline void queue_cast_overlap(struct dlm_rsb *r, struct dlm_lkb *lkb) static void queue_bast(struct dlm_rsb *r, struct dlm_lkb *lkb, int rqmode) { + lkb->lkb_time_bast = ktime_get(); + if (is_master_copy(lkb)) send_bast(r, lkb, rqmode); else |
