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[PATCH] xfs: enable delaylog by default

To: xfs@xxxxxxxxxxx
Subject: [PATCH] xfs: enable delaylog by default
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Sun, 13 Feb 2011 07:06:34 -0500
User-agent: Mutt/1.5.21 (2010-09-15)
Signed-off-by: Christoph Hellwig <hch@xxxxxx>

Index: xfs/fs/xfs/linux-2.6/xfs_super.c
===================================================================
--- xfs.orig/fs/xfs/linux-2.6/xfs_super.c       2011-02-12 08:01:36.523700058 
+0100
+++ xfs/fs/xfs/linux-2.6/xfs_super.c    2011-02-12 08:01:47.373201415 +0100
@@ -189,6 +189,7 @@ xfs_parseargs(
        mp->m_flags |= XFS_MOUNT_BARRIER;
        mp->m_flags |= XFS_MOUNT_COMPAT_IOSIZE;
        mp->m_flags |= XFS_MOUNT_SMALL_INUMS;
+       mp->m_flags |= XFS_MOUNT_DELAYLOG;
 
        /*
         * These can be overridden by the mount option parsing.
Index: xfs/Documentation/filesystems/xfs-delayed-logging-design.txt
===================================================================
--- xfs.orig/Documentation/filesystems/xfs-delayed-logging-design.txt   
2011-02-12 08:01:58.844704558 +0100
+++ xfs/Documentation/filesystems/xfs-delayed-logging-design.txt        
2011-02-12 08:02:04.843703022 +0100
@@ -791,10 +791,3 @@ mount option. Fundamentally, there is no
 be able to swap methods automatically and transparently depending on load
 characteristics, but this should not be necessary if delayed logging works as
 designed.
-
-Roadmap:
-
-2.6.39 Switch default mount option to use delayed logging
-       => should be roughly 12 months after initial merge
-       => enough time to shake out remaining problems before next round of
-          enterprise distro kernel rebases

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