From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alessio Igor Bogani Subject: [PATCH 4/5 -tip] nfs: umount_begin BKL pushdown Date: Thu, 23 Apr 2009 21:12:04 +0200 Message-ID: <1240513925-5603-5-git-send-email-abogani@texware.it> References: <1240513925-5603-1-git-send-email-abogani@texware.it> <1240513925-5603-2-git-send-email-abogani@texware.it> <1240513925-5603-3-git-send-email-abogani@texware.it> <1240513925-5603-4-git-send-email-abogani@texware.it> Cc: Jonathan Corbet , =?utf-8?q?Fr=C3=A9d=C3=A9ric=20Weisbecker?= , Peter Zijlstra , LKML , Alexander Viro , LFSDEV , Alessio Igor Bogani To: Ingo Molnar Return-path: Received: from fk-out-0910.google.com ([209.85.128.187]:3560 "EHLO fk-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757861AbZDWTMV (ORCPT ); Thu, 23 Apr 2009 15:12:21 -0400 In-Reply-To: <1240513925-5603-4-git-send-email-abogani@texware.it> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: Signed-off-by: Alessio Igor Bogani --- fs/nfs/super.c | 7 ++++++- 1 files changed, 6 insertions(+), 1 deletions(-) diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 6717200..1679a16 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -683,9 +683,12 @@ static int nfs_show_stats(struct seq_file *m, struct vfsmount *mnt) */ static void nfs_umount_begin(struct super_block *sb) { - struct nfs_server *server = NFS_SB(sb); + struct nfs_server *server; struct rpc_clnt *rpc; + lock_kernel(); + + server = NFS_SB(sb); /* -EIO all pending I/O */ rpc = server->client_acl; if (!IS_ERR(rpc)) @@ -693,6 +696,8 @@ static void nfs_umount_begin(struct super_block *sb) rpc = server->client; if (!IS_ERR(rpc)) rpc_killall_tasks(rpc); + + unlock_kernel(); } /* -- 1.6.0.4