From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756873AbXGAHiI (ORCPT ); Sun, 1 Jul 2007 03:38:08 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756747AbXGAHgg (ORCPT ); Sun, 1 Jul 2007 03:36:36 -0400 Received: from e6.ny.us.ibm.com ([32.97.182.146]:45625 "EHLO e6.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756714AbXGAHge (ORCPT ); Sun, 1 Jul 2007 03:36:34 -0400 Subject: [EXT4 set 2][PATCH 3/5] cleanups: set_jbd2_64bit_feature for >16TB ext4 fs From: Mingming Cao Reply-To: cmm@us.ibm.com To: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-ext4@vger.kernel.org Content-Type: text/plain Organization: IBM Linux Technology Center Date: Sun, 01 Jul 2007 03:36:32 -0400 Message-Id: <1183275392.4010.122.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.8.0 (2.8.0-33.el5) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Set the journals JBD2_FEATURE_INCOMPAT_64BIT on devices with more than 32bit block sizes during mount time. This ensure proper record lenth when writing to the journal. Signed-off-by: Jose R. Santos Signed-off-by: Andreas Dilger Signed-off-by: Mingming Cao Signed-off-by: Laurent Vivier --- fs/ext4/super.c | 11 +++++++++++ 1 file changed, 11 insertions(+) Index: linux-2.6.22-rc4/fs/ext4/super.c =================================================================== --- linux-2.6.22-rc4.orig/fs/ext4/super.c 2007-06-11 16:15:54.000000000 -0700 +++ linux-2.6.22-rc4/fs/ext4/super.c 2007-06-11 16:16:10.000000000 -0700 @@ -1804,6 +1804,13 @@ goto failed_mount3; } + if (ext4_blocks_count(es) > 0xffffffffULL && + !jbd2_journal_set_features(EXT4_SB(sb)->s_journal, 0, 0, + JBD2_FEATURE_INCOMPAT_64BIT)) { + printk(KERN_ERR "ext4: Failed to set 64-bit journal feature\n"); + goto failed_mount4; + } + /* We have now updated the journal if required, so we can * validate the data journaling mode. */ switch (test_opt(sb, DATA_FLAGS)) {