[PATCH V2 7/7] Cleancache (was Transcendent Memory): ocfs2 hook

From: Dan Magenheimer
Date: Fri May 28 2010 - 13:40:05 EST


[PATCH V2 7/7] Cleancache (was Transcendent Memory): ocfs2 hook

Filesystems must explicitly enable cleancache. Ocfs2 is
currently the only user of the clustered filesystem
interface but nevertheless, the cleancache hooks in the
VFS layer are sufficient for ocfs2.

Signed-off-by: Dan Magenheimer <dan.magenheimer@xxxxxxxxxx>
Acked-by: Joel Becker <joel.becker@xxxxxxxxxx>

Diffstat:
super.c | 3 +++
1 file changed, 3 insertions(+)

--- linux-2.6.34/fs/ocfs2/super.c 2010-05-16 15:17:36.000000000 -0600
+++ linux-2.6.34-cleancache/fs/ocfs2/super.c 2010-05-24 12:14:44.000000000 -0600
@@ -42,6 +42,7 @@
#include <linux/seq_file.h>
#include <linux/quotaops.h>
#include <linux/smp_lock.h>
+#include <linux/cleancache.h>

#define MLOG_MASK_PREFIX ML_SUPER
#include <cluster/masklog.h>
@@ -2233,6 +2234,8 @@ static int ocfs2_initialize_super(struct
mlog_errno(status);
goto bail;
}
+ sb->cleancache_poolid =
+ cleancache_init_shared_fs((char *)&uuid_net_key, PAGE_SIZE);

bail:
mlog_exit(status);
--
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