Return-Path: Received: from mail-it0-f66.google.com ([209.85.214.66]:33483 "EHLO mail-it0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965755AbcIVRju (ORCPT ); Thu, 22 Sep 2016 13:39:50 -0400 Received: by mail-it0-f66.google.com with SMTP id x192so5346813itb.0 for ; Thu, 22 Sep 2016 10:39:49 -0700 (PDT) From: Trond Myklebust To: anna.schumaker@netapp.com Cc: linux-nfs@vger.kernel.org, Oleg Drokin Subject: [PATCH v7 15/31] NFSv4.1: Ensure we call FREE_STATEID if needed on close/delegreturn/locku Date: Thu, 22 Sep 2016 13:39:05 -0400 Message-Id: <1474565961-21303-16-git-send-email-trond.myklebust@primarydata.com> In-Reply-To: <1474565961-21303-15-git-send-email-trond.myklebust@primarydata.com> References: <1474565961-21303-1-git-send-email-trond.myklebust@primarydata.com> <1474565961-21303-2-git-send-email-trond.myklebust@primarydata.com> <1474565961-21303-3-git-send-email-trond.myklebust@primarydata.com> <1474565961-21303-4-git-send-email-trond.myklebust@primarydata.com> <1474565961-21303-5-git-send-email-trond.myklebust@primarydata.com> <1474565961-21303-6-git-send-email-trond.myklebust@primarydata.com> <1474565961-21303-7-git-send-email-trond.myklebust@primarydata.com> <1474565961-21303-8-git-send-email-trond.myklebust@primarydata.com> <1474565961-21303-9-git-send-email-trond.myklebust@primarydata.com> <1474565961-21303-10-git-send-email-trond.myklebust@primarydata.com> <1474565961-21303-11-git-send-email-trond.myklebust@primarydata.com> <1474565961-21303-12-git-send-email-trond.myklebust@primarydata.com> <1474565961-21303-13-git-send-email-trond.myklebust@primarydata.com> <1474565961-21303-14-git-send-email-trond.myklebust@primarydata.com> <1474565961-21303-15-git-send-email-trond.myklebust@primarydata.com> Sender: linux-nfs-owner@vger.kernel.org List-ID: If a server returns NFS4ERR_ADMIN_REVOKED, NFS4ERR_DELEG_REVOKED or NFS4ERR_EXPIRED on a call to close, open_downgrade, delegreturn, or locku, we should call FREE_STATEID before attempting to recover. Signed-off-by: Trond Myklebust --- fs/nfs/nfs4proc.c | 43 ++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 40 insertions(+), 3 deletions(-) diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index a53caeb73f75..f79d4f55d83f 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -328,6 +328,33 @@ static void nfs4_setup_readdir(u64 cookie, __be32 *verifier, struct dentry *dent kunmap_atomic(start); } +static void nfs4_test_and_free_stateid(struct nfs_server *server, + nfs4_stateid *stateid, + struct rpc_cred *cred) +{ + const struct nfs4_minor_version_ops *ops = server->nfs_client->cl_mvops; + + ops->test_and_free_expired(server, stateid, cred); +} + +static void __nfs4_free_revoked_stateid(struct nfs_server *server, + nfs4_stateid *stateid, + struct rpc_cred *cred) +{ + stateid->type = NFS4_REVOKED_STATEID_TYPE; + nfs4_test_and_free_stateid(server, stateid, cred); +} + +static void nfs4_free_revoked_stateid(struct nfs_server *server, + const nfs4_stateid *stateid, + struct rpc_cred *cred) +{ + nfs4_stateid tmp; + + nfs4_stateid_copy(&tmp, stateid); + __nfs4_free_revoked_stateid(server, &tmp, cred); +} + static long nfs4_update_delay(long *timeout) { long ret; @@ -2983,9 +3010,12 @@ static void nfs4_close_done(struct rpc_task *task, void *data) break; case -NFS4ERR_ADMIN_REVOKED: case -NFS4ERR_STALE_STATEID: + case -NFS4ERR_EXPIRED: + nfs4_free_revoked_stateid(server, + &calldata->arg.stateid, + task->tk_msg.rpc_cred); case -NFS4ERR_OLD_STATEID: case -NFS4ERR_BAD_STATEID: - case -NFS4ERR_EXPIRED: if (!nfs4_stateid_match(&calldata->arg.stateid, &state->open_stateid)) { rpc_restart_call_prepare(task); @@ -5477,10 +5507,13 @@ static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata) renew_lease(data->res.server, data->timestamp); case -NFS4ERR_ADMIN_REVOKED: case -NFS4ERR_DELEG_REVOKED: + case -NFS4ERR_EXPIRED: + nfs4_free_revoked_stateid(data->res.server, + data->args.stateid, + task->tk_msg.rpc_cred); case -NFS4ERR_BAD_STATEID: case -NFS4ERR_OLD_STATEID: case -NFS4ERR_STALE_STATEID: - case -NFS4ERR_EXPIRED: task->tk_status = 0; if (data->roc) pnfs_roc_set_barrier(data->inode, data->roc_barrier); @@ -5745,10 +5778,14 @@ static void nfs4_locku_done(struct rpc_task *task, void *data) if (nfs4_update_lock_stateid(calldata->lsp, &calldata->res.stateid)) break; + case -NFS4ERR_ADMIN_REVOKED: + case -NFS4ERR_EXPIRED: + nfs4_free_revoked_stateid(calldata->server, + &calldata->arg.stateid, + task->tk_msg.rpc_cred); case -NFS4ERR_BAD_STATEID: case -NFS4ERR_OLD_STATEID: case -NFS4ERR_STALE_STATEID: - case -NFS4ERR_EXPIRED: if (!nfs4_stateid_match(&calldata->arg.stateid, &calldata->lsp->ls_stateid)) rpc_restart_call_prepare(task); -- 2.7.4