From: Benny Halevy Subject: [PATCH v2 5/9] nfsd4: refactor expire_client Date: Wed, 12 May 2010 00:13:16 +0300 Message-ID: <1273612396-13610-1-git-send-email-bhalevy@panasas.com> References: <4BE9C7A2.8030801@panasas.com> Cc: linux-nfs@vger.kernel.org To: " J. Bruce Fields" Return-path: Received: from daytona.panasas.com ([67.152.220.89]:53686 "EHLO daytona.int.panasas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751621Ab0EKVNT (ORCPT ); Tue, 11 May 2010 17:13:19 -0400 In-Reply-To: <4BE9C7A2.8030801@panasas.com> Sender: linux-nfs-owner@vger.kernel.org List-ID: Separate out unhashing of the client and session. To be used later by the laundromat. Signed-off-by: Benny Halevy --- fs/nfsd/nfs4state.c | 29 ++++++++++++++++++----------- 1 files changed, 18 insertions(+), 11 deletions(-) diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 3f572cb..dede43c 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -693,6 +693,20 @@ free_client(struct nfs4_client *clp) kfree(clp); } +/* must be called under the client_lock */ +static inline void +unhash_client_locked(struct nfs4_client *clp) +{ + list_del(&clp->cl_lru); + while (!list_empty(&clp->cl_sessions)) { + struct nfsd4_session *ses; + ses = list_entry(clp->cl_sessions.next, struct nfsd4_session, + se_perclnt); + unhash_session(ses); + nfsd4_put_session(ses); + } +} + static void expire_client(struct nfs4_client *clp) { @@ -719,21 +733,14 @@ expire_client(struct nfs4_client *clp) sop = list_entry(clp->cl_openowners.next, struct nfs4_stateowner, so_perclient); release_openowner(sop); } + nfsd4_set_callback_client(clp, NULL); + if (clp->cl_cb_conn.cb_xprt) + svc_xprt_put(clp->cl_cb_conn.cb_xprt); list_del(&clp->cl_idhash); list_del(&clp->cl_strhash); spin_lock(&client_lock); - list_del(&clp->cl_lru); - while (!list_empty(&clp->cl_sessions)) { - struct nfsd4_session *ses; - ses = list_entry(clp->cl_sessions.next, struct nfsd4_session, - se_perclnt); - unhash_session(ses); - nfsd4_put_session(ses); - } + unhash_client_locked(clp); spin_unlock(&client_lock); - nfsd4_set_callback_client(clp, NULL); - if (clp->cl_cb_conn.cb_xprt) - svc_xprt_put(clp->cl_cb_conn.cb_xprt); free_client(clp); } -- 1.6.5.1