NSM: Add dprintk() calls in nsm_find and nsm_release
Introduce some dprintk() calls in fs/lockd/mon.c that are enabled by
the NLMDBG_MONITOR flag. These report when we find, create, and
release nsm_handles.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
diff --git a/fs/lockd/mon.c b/fs/lockd/mon.c
index 8e68e799..3825545 100644
--- a/fs/lockd/mon.c
+++ b/fs/lockd/mon.c
@@ -249,10 +249,15 @@
atomic_inc(&pos->sm_count);
kfree(nsm);
nsm = pos;
+ dprintk("lockd: found nsm_handle for %s (%s), cnt %d\n",
+ pos->sm_name, pos->sm_addrbuf,
+ atomic_read(&pos->sm_count));
goto found;
}
if (nsm) {
list_add(&nsm->sm_link, &nsm_handles);
+ dprintk("lockd: created nsm_handle for %s (%s)\n",
+ nsm->sm_name, nsm->sm_addrbuf);
goto found;
}
spin_unlock(&nsm_lock);
@@ -291,6 +296,8 @@
if (atomic_dec_and_lock(&nsm->sm_count, &nsm_lock)) {
list_del(&nsm->sm_link);
spin_unlock(&nsm_lock);
+ dprintk("lockd: destroyed nsm_handle for %s (%s)\n",
+ nsm->sm_name, nsm->sm_addrbuf);
kfree(nsm);
}
}
