From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935341Ab1IOXJA (ORCPT ); Thu, 15 Sep 2011 19:09:00 -0400 Received: from mga03.intel.com ([143.182.124.21]:39227 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935280Ab1IOXHH (ORCPT ); Thu, 15 Sep 2011 19:07:07 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.68,389,1312182000"; d="scan'208";a="49349833" From: Andi Kleen To: viro@zeniv.linux.org.uk Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Andi Kleen , Trond.Myklebust@netapp.com Subject: [PATCH 6/7] LSEEK: NFS: Drop unnecessary locking in llseek Date: Thu, 15 Sep 2011 16:06:52 -0700 Message-Id: <1316128013-21980-7-git-send-email-andi@firstfloor.org> X-Mailer: git-send-email 1.7.4.4 In-Reply-To: <1316128013-21980-1-git-send-email-andi@firstfloor.org> References: <1316128013-21980-1-git-send-email-andi@firstfloor.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andi Kleen This makes NFS follow the standard generic_file_llseek locking scheme. Cc: Trond.Myklebust@netapp.com Signed-off-by: Andi Kleen --- fs/nfs/file.c | 11 ++--------- 1 files changed, 2 insertions(+), 9 deletions(-) diff --git a/fs/nfs/file.c b/fs/nfs/file.c index 12623ab..91c01f0 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -180,8 +180,6 @@ force_reval: static loff_t nfs_file_llseek(struct file *filp, loff_t offset, int origin) { - loff_t loff; - dprintk("NFS: llseek file(%s/%s, %lld, %d)\n", filp->f_path.dentry->d_parent->d_name.name, filp->f_path.dentry->d_name.name, @@ -197,14 +195,9 @@ static loff_t nfs_file_llseek(struct file *filp, loff_t offset, int origin) int retval = nfs_revalidate_file_size(inode, filp); if (retval < 0) return (loff_t)retval; + } - /* AK: should drop this lock. Unlikely to be needed. */ - spin_lock(&inode->i_lock); - loff = generic_file_llseek(filp, offset, origin); - spin_unlock(&inode->i_lock); - } else - loff = generic_file_llseek(filp, offset, origin); - return loff; + return generic_file_llseek(filp, offset, origin); } /* -- 1.7.4.4