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[PATCH] xfs: log timestamp changes to the source inode in rename

To: xfs@xxxxxxxxxxx
Subject: [PATCH] xfs: log timestamp changes to the source inode in rename
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Tue, 7 Dec 2010 05:16:41 -0500
User-agent: Mutt/1.5.21 (2010-09-15)
Now that we don't mark VFS inodes dirty anymore for internal timestamp changes,
but rely on the transaction subsystem to push them out, we need to explicitly
log the source inode in rename after updating it's timestamps to make sure
the changes actually get forced out by sync/fsync or an AIL push.

We already account for the fourth inode in the log reservation, as a rename
of directories needs to update the nlink field, so just adding the
xfs_trans_log_inode call is enough.

This fixes the xfsqa 065 regression introduced by:

        "xfs: don't use vfs writeback for pure metadata modifications"


Signed-off-by: Christoph Hellwig <hch@xxxxxx>

Index: xfs/fs/xfs/xfs_rename.c
===================================================================
--- xfs.orig/fs/xfs/xfs_rename.c        2010-12-07 11:05:15.661253391 +0100
+++ xfs/fs/xfs/xfs_rename.c     2010-12-07 11:05:25.139275042 +0100
@@ -297,6 +297,7 @@ xfs_rename(
         * it and some incremental backup programs won't work without it.
         */
        xfs_trans_ichgtime(tp, src_ip, XFS_ICHGTIME_CHG);
+       xfs_trans_log_inode(tp, src_ip, XFS_ILOG_CORE);
 
        /*
         * Adjust the link count on src_dp.  This is necessary when

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