[PATCH V5 5/8] Cleancache: ext3 hook for cleancache

[Dan Magenheimer]

[PATCH V5 5/8] Cleancache: ext3 hook for cleancache

Filesystems must explicitly enable cleancache by calling
cleancache_init_fs anytime a instance of the filesystem
is mounted and must save the returned poolid.  For ext3,
all other cleancache hooks are in the VFS layer including
the matching cleancache_flush_fs hook which must be
called on unmount.

Signed-off-by: Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>
Acked-by: Andreas Dilger <adilger@xxxxxxx>

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

--- linux-2.6.36-rc3/fs/ext3/super.c	2010-08-29 09:36:04.000000000 -0600
+++ linux-2.6.36-rc3-cleancache/fs/ext3/super.c	2010-08-31 10:26:09.000000000 -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>
 
@@ -1349,6 +1350,7 @@ static int ext3_setup_super(struct super
 	} else {
 		ext3_msg(sb, KERN_INFO, "using internal journal");
 	}
+	cleancache_init_fs(sb);
 	return res;
 }
 
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