[PATCH V4 2/8] Cleancache: cleancache_poolid in superblock

Add cleancache_poolid to superblock structure... not tied
to CONFIG_CLEANCACHE so as to avoid unnecessary clutter.

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

Diffstat:
 fs.h                                     |    5 +++++
 1 file changed, 5 insertions(+)

--- linux-2.6.36-rc3/include/linux/fs.h	2010-08-29 09:36:04.000000000 -0600
+++ linux-2.6.36-rc3-cleancache/include/linux/fs.h	2010-08-30 09:20:43.000000000 -0600
@@ -1381,6 +1381,11 @@ struct super_block {
 	 * generic_show_options()
 	 */
 	char *s_options;
+
+	/*
+	 * Saved pool identifier for cleancache (-1 means none)
+	 */
+	int cleancache_poolid;
 };
 
 extern struct timespec current_fs_time(struct super_block *sb);
--
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