Return-Path: linux-nfs-owner@vger.kernel.org Received: from mail-qc0-f173.google.com ([209.85.216.173]:55003 "EHLO mail-qc0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754038AbaF3Puo (ORCPT ); Mon, 30 Jun 2014 11:50:44 -0400 Received: by mail-qc0-f173.google.com with SMTP id l6so7078824qcy.4 for ; Mon, 30 Jun 2014 08:50:43 -0700 (PDT) From: Jeff Layton To: bfields@fieldses.org Cc: linux-nfs@vger.kernel.org Subject: [PATCH v3 007/114] nfsd: declare v4.1+ openowners confirmed on creation Date: Mon, 30 Jun 2014 11:48:36 -0400 Message-Id: <1404143423-24381-8-git-send-email-jlayton@primarydata.com> In-Reply-To: <1404143423-24381-1-git-send-email-jlayton@primarydata.com> References: <1404143423-24381-1-git-send-email-jlayton@primarydata.com> Sender: linux-nfs-owner@vger.kernel.org List-ID: There's no need to confirm an openowner in v4.1 and above, so we can go ahead and set NFS4_OO_CONFIRMED when we create openowners in those versions. This will also be necessary when we remove the client_mutex, as it'll be possible for two concurrent opens to race in versions >4.0. Signed-off-by: Jeff Layton Reviewed-by: Christoph Hellwig --- fs/nfsd/nfs4state.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index ade15fcddd08..e77e34002913 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -2724,7 +2724,10 @@ static void hash_openowner(struct nfs4_openowner *oo, struct nfs4_client *clp, u } static struct nfs4_openowner * -alloc_init_open_stateowner(unsigned int strhashval, struct nfs4_client *clp, struct nfsd4_open *open) { +alloc_init_open_stateowner(unsigned int strhashval, struct nfs4_client *clp, + struct nfsd4_open *open, + struct nfsd4_compound_state *cstate) +{ struct nfs4_openowner *oo; oo = alloc_stateowner(openowner_slab, &open->op_owner, clp); @@ -2733,6 +2736,8 @@ alloc_init_open_stateowner(unsigned int strhashval, struct nfs4_client *clp, str oo->oo_owner.so_is_open_owner = 1; oo->oo_owner.so_seqid = open->op_seqid; oo->oo_flags = NFS4_OO_NEW; + if (nfsd4_has_session(cstate)) + oo->oo_flags |= NFS4_OO_CONFIRMED; oo->oo_time = 0; oo->oo_last_closed_stid = NULL; INIT_LIST_HEAD(&oo->oo_close_lru); @@ -2998,7 +3003,7 @@ nfsd4_process_open1(struct nfsd4_compound_state *cstate, clp = oo->oo_owner.so_client; goto alloc_stateid; new_owner: - oo = alloc_init_open_stateowner(strhashval, clp, open); + oo = alloc_init_open_stateowner(strhashval, clp, open, cstate); if (oo == NULL) return nfserr_jukebox; open->op_openowner = oo; @@ -3408,8 +3413,6 @@ nfsd4_process_open2(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nf memcpy(&open->op_stateid, &stp->st_stid.sc_stateid, sizeof(stateid_t)); if (nfsd4_has_session(&resp->cstate)) { - open->op_openowner->oo_flags |= NFS4_OO_CONFIRMED; - if (open->op_deleg_want & NFS4_SHARE_WANT_NO_DELEG) { open->op_delegate_type = NFS4_OPEN_DELEGATE_NONE_EXT; open->op_why_no_deleg = WND4_NOT_WANTED; @@ -3803,8 +3806,9 @@ nfs4_preprocess_stateid_op(struct net *net, struct nfsd4_compound_state *cstate, nfs4_lock_state(); - status = nfsd4_lookup_stateid(stateid, NFS4_DELEG_STID|NFS4_OPEN_STID|NFS4_LOCK_STID, - &s, cstate->minorversion, nn); + status = nfsd4_lookup_stateid(stateid, + NFS4_DELEG_STID|NFS4_OPEN_STID|NFS4_LOCK_STID, + &s, cstate->minorversion, nn); if (status) goto out; status = check_stateid_generation(stateid, &s->sc_stateid, nfsd4_has_session(cstate)); -- 1.9.3