From: Mingming Cao Subject: [EXT4 set 4][PATCH 4/5] i_version:ext4 inode version update Date: Sun, 01 Jul 2007 03:37:45 -0400 Message-ID: <1183275465.4010.130.camel@localhost.localdomain> Reply-To: cmm@us.ibm.com Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit To: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-ext4@vger.kernel.org, nfsv4@linux-nfs.org Return-path: Received: from e2.ny.us.ibm.com ([32.97.182.142]:36398 "EHLO e2.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756260AbXGAHhr (ORCPT ); Sun, 1 Jul 2007 03:37:47 -0400 Sender: linux-ext4-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org This patch is on top of i_version_update_vfs. The i_version field of the inode is set on inode creation and incremented when the inode is being modified. Signed-off-by: Jean Noel Cordenner Signed-off-by: Mingming Cao Index: linux-2.6.22-rc4/fs/ext4/ialloc.c =================================================================== --- linux-2.6.22-rc4.orig/fs/ext4/ialloc.c 2007-06-13 17:16:28.000000000 -0700 +++ linux-2.6.22-rc4/fs/ext4/ialloc.c 2007-06-13 17:24:45.000000000 -0700 @@ -565,6 +565,7 @@ got: inode->i_blocks = 0; inode->i_mtime = inode->i_atime = inode->i_ctime = ei->i_crtime = ext4_current_time(inode); + inode->i_version = 1; memset(ei->i_data, 0, sizeof(ei->i_data)); ei->i_dir_start_lookup = 0; Index: linux-2.6.22-rc4/fs/ext4/inode.c =================================================================== --- linux-2.6.22-rc4.orig/fs/ext4/inode.c 2007-06-13 17:21:29.000000000 -0700 +++ linux-2.6.22-rc4/fs/ext4/inode.c 2007-06-13 17:24:45.000000000 -0700 @@ -3082,6 +3082,7 @@ int ext4_mark_iloc_dirty(handle_t *handl { int err = 0; + inode->i_version++; /* the do_update_inode consumes one bh->b_count */ get_bh(iloc->bh); Index: linux-2.6.22-rc4/fs/ext4/super.c =================================================================== --- linux-2.6.22-rc4.orig/fs/ext4/super.c 2007-06-13 17:19:11.000000000 -0700 +++ linux-2.6.22-rc4/fs/ext4/super.c 2007-06-13 17:24:45.000000000 -0700 @@ -2846,8 +2846,8 @@ out: i_size_write(inode, off+len-towrite); EXT4_I(inode)->i_disksize = inode->i_size; } - inode->i_version++; inode->i_mtime = inode->i_ctime = CURRENT_TIME; + inode->i_version = 1; ext4_mark_inode_dirty(handle, inode); mutex_unlock(&inode->i_mutex); return len - towrite;