From: Trond Myklebust Subject: [PATCH 08/15] NFSv41: Don't store session state in the nfs_client->cl_state Date: Mon, 14 Jun 2010 17:51:32 -0400 Message-ID: <1276552299-6625-8-git-send-email-Trond.Myklebust@netapp.com> References: <1276552299-6625-1-git-send-email-Trond.Myklebust@netapp.com> <1276552299-6625-2-git-send-email-Trond.Myklebust@netapp.com> <1276552299-6625-3-git-send-email-Trond.Myklebust@netapp.com> <1276552299-6625-4-git-send-email-Trond.Myklebust@netapp.com> <1276552299-6625-5-git-send-email-Trond.Myklebust@netapp.com> <1276552299-6625-6-git-send-email-Trond.Myklebust@netapp.com> <1276552299-6625-7-git-send-email-Trond.Myklebust@netapp.com> To: linux-nfs@vger.kernel.org Return-path: Received: from mx2.netapp.com ([216.240.18.37]:53421 "EHLO mx2.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756784Ab0FNVvp (ORCPT ); Mon, 14 Jun 2010 17:51:45 -0400 In-Reply-To: <1276552299-6625-7-git-send-email-Trond.Myklebust@netapp.com> Sender: linux-nfs-owner@vger.kernel.org List-ID: Signed-off-by: Trond Myklebust --- fs/nfs/nfs4_fs.h | 5 ++++- fs/nfs/nfs4proc.c | 4 ++-- fs/nfs/nfs4state.c | 6 ++++-- 3 files changed, 10 insertions(+), 5 deletions(-) diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h index 9c0aa81..bb1e955 100644 --- a/fs/nfs/nfs4_fs.h +++ b/fs/nfs/nfs4_fs.h @@ -45,10 +45,13 @@ enum nfs4_client_state { NFS4CLNT_RECLAIM_NOGRACE, NFS4CLNT_DELEGRETURN, NFS4CLNT_SESSION_RESET, - NFS4CLNT_SESSION_DRAINING, NFS4CLNT_RECALL_SLOT, }; +enum nfs4_session_state { + NFS4_SESSION_DRAINING, +}; + /* * struct rpc_sequence ensures that RPC calls are sent in the exact * order that they appear on the list. diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 60ea066..7e0483c 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -356,7 +356,7 @@ static void nfs41_check_drain_session_complete(struct nfs4_session *ses) { struct rpc_task *task; - if (!test_bit(NFS4CLNT_SESSION_DRAINING, &ses->clp->cl_state)) { + if (!test_bit(NFS4_SESSION_DRAINING, &ses->session_state)) { task = rpc_wake_up_next(&ses->fc_slot_table.slot_tbl_waitq); if (task) rpc_task_set_priority(task, RPC_PRIORITY_PRIVILEGED); @@ -489,7 +489,7 @@ static int nfs41_setup_sequence(struct nfs4_session *session, tbl = &session->fc_slot_table; spin_lock(&tbl->slot_tbl_lock); - if (test_bit(NFS4CLNT_SESSION_DRAINING, &session->clp->cl_state) && + if (test_bit(NFS4_SESSION_DRAINING, &session->session_state) && !rpc_task_has_priority(task, RPC_PRIORITY_PRIVILEGED)) { /* * The state manager will wait until the slot table is empty. diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index 34acf59..4538c56 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -145,7 +145,9 @@ static void nfs4_end_drain_session(struct nfs_client *clp) struct nfs4_session *ses = clp->cl_session; int max_slots; - if (test_and_clear_bit(NFS4CLNT_SESSION_DRAINING, &clp->cl_state)) { + if (ses == NULL) + return; + if (test_and_clear_bit(NFS4_SESSION_DRAINING, &ses->session_state)) { spin_lock(&ses->fc_slot_table.slot_tbl_lock); max_slots = ses->fc_slot_table.max_slots; while (max_slots--) { @@ -167,7 +169,7 @@ static int nfs4_begin_drain_session(struct nfs_client *clp) struct nfs4_slot_table *tbl = &ses->fc_slot_table; spin_lock(&tbl->slot_tbl_lock); - set_bit(NFS4CLNT_SESSION_DRAINING, &clp->cl_state); + set_bit(NFS4_SESSION_DRAINING, &ses->session_state); if (tbl->highest_used_slotid != -1) { INIT_COMPLETION(ses->complete); spin_unlock(&tbl->slot_tbl_lock); -- 1.7.0.1