linux-ext4 - [PATCH V2 4/7] Cleancache (was Transcendent Memory): ext3 hook

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Message-ID: <20100528173631.GA20080@ca-server1.us.oracle.com>
Date:	Fri, 28 May 2010 10:36:31 -0700
From:	Dan Magenheimer <dan.magenheimer@...cle.com>
To:	chris.mason@...cle.com, viro@...iv.linux.org.uk,
	akpm@...ux-foundation.org, adilger@....COM, tytso@....edu,
	mfasheh@...e.com, joel.becker@...cle.com, matthew@....cx,
	linux-btrfs@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org,
	ocfs2-devel@....oracle.com, linux-mm@...ck.org, ngupta@...are.org,
	jeremy@...p.org, JBeulich@...ell.com, kurt.hackel@...cle.com,
	npiggin@...e.de, dave.mccracken@...cle.com, riel@...hat.com,
	avi@...hat.com, konrad.wilk@...cle.com, dan.magenheimer@...cle.com
Subject: [PATCH V2 4/7] Cleancache (was Transcendent Memory): ext3 hook

[PATCH V2 4/7] Cleancache (was Transcendent Memory): ext3 hook

Filesystems must explicitly enable cleancache.  For ext3,
all other cleancache hooks are in the VFS layer.

Signed-off-by: Dan Magenheimer <dan.magenheimer@...cle.com>

Diffstat:
 super.c                                  |    2 ++
 1 file changed, 2 insertions(+)

--- linux-2.6.34/fs/ext3/super.c	2010-05-16 15:17:36.000000000 -0600
+++ linux-2.6.34-cleancache/fs/ext3/super.c	2010-05-24 12:14:44.000000000 -0600
@@ -37,6 +37,7 @@
 #include <linux/quotaops.h>
 #include <linux/seq_file.h>
 #include <linux/log2.h>
+#include <linux/cleancache.h>
 
 #include <asm/uaccess.h>
 
@@ -1344,6 +1345,7 @@ static int ext3_setup_super(struct super
 	} else {
 		ext3_msg(sb, KERN_INFO, "using internal journal");
 	}
+	sb->cleancache_poolid = cleancache_init_fs(PAGE_SIZE);
 	return res;
 }
 
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