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Commit 5cf1c4b1 authored by Chuck Lever's avatar Chuck Lever Committed by J. Bruce Fields
Browse files

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: default avatarChuck Lever <chuck.lever@oracle.com>
Signed-off-by: default avatarJ. Bruce Fields <bfields@citi.umich.edu>
parent 67c6d107

fs/lockd/mon.c

+7 −0
Original line number Diff line number Diff line
@@ -249,10 +249,15 @@ struct nsm_handle *nsm_find(const struct sockaddr *sap, const size_t salen, 
		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 @@ void nsm_release(struct nsm_handle *nsm) 
	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);

	}

}