From patchwork Thu May 19 08:11:30 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: liubo X-Patchwork-Id: 796432 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id p4J8D2Eu007986 for ; Thu, 19 May 2011 08:13:19 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932550Ab1ESING (ORCPT ); Thu, 19 May 2011 04:13:06 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:52057 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1756688Ab1ESINA (ORCPT ); Thu, 19 May 2011 04:13:00 -0400 Received: from tang.cn.fujitsu.com (tang.cn.fujitsu.com [10.167.250.3]) by song.cn.fujitsu.com (Postfix) with ESMTP id 8DD3417014A; Thu, 19 May 2011 16:12:55 +0800 (CST) Received: from mailserver.fnst.cn.fujitsu.com (tang.cn.fujitsu.com [127.0.0.1]) by tang.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id p4J8CsXp006607; Thu, 19 May 2011 16:12:54 +0800 Received: from localhost.localdomain ([10.167.225.27]) by mailserver.fnst.cn.fujitsu.com (Lotus Domino Release 8.5.1FP4) with ESMTP id 2011051916130154-329870 ; Thu, 19 May 2011 16:13:01 +0800 From: Liu Bo To: Cc: , , Liu Bo Subject: [PATCH 7/9] Btrfs: add checksum check for log Date: Thu, 19 May 2011 16:11:30 +0800 Message-Id: <1305792692-10635-8-git-send-email-liubo2009@cn.fujitsu.com> X-Mailer: git-send-email 1.6.5.2 In-Reply-To: <1305792692-10635-1-git-send-email-liubo2009@cn.fujitsu.com> References: <1305792692-10635-1-git-send-email-liubo2009@cn.fujitsu.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.1FP4|July 25, 2010) at 2011-05-19 16:13:01, Serialize by Router on mailserver/fnst(Release 8.5.1FP4|July 25, 2010) at 2011-05-19 16:13:02, Serialize complete at 2011-05-19 16:13:02 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Thu, 19 May 2011 08:13:19 +0000 (UTC) If a inode is a BTRFS_INODE_NODATASUM one, it need not to look for csum items any more. Signed-off-by: Liu Bo --- fs/btrfs/tree-log.c | 13 ++++++++----- 1 files changed, 8 insertions(+), 5 deletions(-) diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 745933c..28b088b 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -2652,7 +2652,8 @@ static noinline int copy_items(struct btrfs_trans_handle *trans, struct inode *inode, struct btrfs_path *dst_path, struct extent_buffer *src, - int start_slot, int nr, int inode_only) + int start_slot, int nr, int inode_only, + int csum) { unsigned long src_offset; unsigned long dst_offset; @@ -2719,7 +2720,8 @@ static noinline int copy_items(struct btrfs_trans_handle *trans, * or deletes of this inode don't have to relog the inode * again */ - if (btrfs_key_type(ins_keys + i) == BTRFS_EXTENT_DATA_KEY) { + if (btrfs_key_type(ins_keys + i) == + BTRFS_EXTENT_DATA_KEY && csum) { int found_type; extent = btrfs_item_ptr(src, start_slot + i, struct btrfs_file_extent_item); @@ -2833,6 +2835,7 @@ static int btrfs_log_inode(struct btrfs_trans_handle *trans, int ins_start_slot = 0; int ins_nr; u64 transid; + int csum = (BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM) ? 0 : 1; /* * We use transid in btrfs_search_forward() as a filter, in order to @@ -2903,7 +2906,7 @@ filter: if (ins_nr) { ret = copy_items(trans, inode, dst_path, src, ins_start_slot, - ins_nr, inode_only); + ins_nr, inode_only, csum); if (ret) { err = ret; goto out_unlock; @@ -2922,7 +2925,7 @@ next_slot: if (ins_nr) { ret = copy_items(trans, inode, dst_path, src, ins_start_slot, - ins_nr, inode_only); + ins_nr, inode_only, csum); if (ret) { err = ret; goto out_unlock; @@ -2943,7 +2946,7 @@ next_slot: if (ins_nr) { ret = copy_items(trans, inode, dst_path, src, ins_start_slot, - ins_nr, inode_only); + ins_nr, inode_only, csum); if (ret) { err = ret; goto out_unlock;