From: Chuck Lever <chuck.lever@xxxxxxxxxx>
Convert a code comment into a real assertion.
Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
---
fs/nfsd/nfs4callback.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index 1e0f5a0bd804..dc308569bc31 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -1307,12 +1307,13 @@ void nfsd4_shutdown_callback(struct nfs4_client *clp)
nfsd41_cb_inflight_wait_complete(clp);
}
-/* requires cl_lock: */
static struct nfsd4_conn * __nfsd4_find_backchannel(struct nfs4_client *clp)
{
struct nfsd4_session *s;
struct nfsd4_conn *c;
+ lockdep_assert_held(&clp->cl_lock);
+
list_for_each_entry(s, &clp->cl_sessions, se_perclnt) {
list_for_each_entry(c, &s->se_conns, cn_persession) {
if (c->cn_flags & NFS4_CDFC4_BACK)
