Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754202AbXL1Uo4 (ORCPT ); Fri, 28 Dec 2007 15:44:56 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753001AbXL1Uni (ORCPT ); Fri, 28 Dec 2007 15:43:38 -0500 Received: from filer.fsl.cs.sunysb.edu ([130.245.126.2]:37088 "EHLO filer.fsl.cs.sunysb.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752539AbXL1Ung (ORCPT ); Fri, 28 Dec 2007 15:43:36 -0500 From: Erez Zadok To: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, viro@ftp.linux.org.uk, hch@infradead.org, Erez Zadok , Hugh Dickins Subject: [PATCH 03/30] Unionfs: use locking around i_size_write in 32-bit systems Date: Fri, 28 Dec 2007 15:42:37 -0500 Message-Id: <1198874586764-git-send-email-ezk@cs.sunysb.edu> X-Mailer: git-send-email 1.5.2.2 X-MailKey: Erez_Zadok In-Reply-To: <11988745841003-git-send-email-ezk@cs.sunysb.edu> References: <11988745841003-git-send-email-ezk@cs.sunysb.edu> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1003 Lines: 33 CC: Hugh Dickins Signed-off-by: Erez Zadok --- fs/unionfs/super.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/fs/unionfs/super.c b/fs/unionfs/super.c index 0ff9a9e..ed3eb04 100644 --- a/fs/unionfs/super.c +++ b/fs/unionfs/super.c @@ -69,7 +69,13 @@ static void unionfs_read_inode(struct inode *inode) */ static void unionfs_delete_inode(struct inode *inode) { +#if BITS_PER_LONG == 32 && defined(CONFIG_SMP) + spin_lock(&inode->i_lock); +#endif i_size_write(inode, 0); /* every f/s seems to do that */ +#if BITS_PER_LONG == 32 && defined(CONFIG_SMP) + spin_unlock(&inode->i_lock); +#endif if (inode->i_data.nrpages) truncate_inode_pages(&inode->i_data, 0); -- 1.5.2.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/