ocfs2: core atime update functions

This patch adds the core routines for updating atime in ocfs2.

Signed-off-by: Tiger Yang <tiger.yang@oracle.com>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index 553e7021b6a7..078883772bd6 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -180,6 +180,7 @@ enum ocfs2_mount_options
 #define OCFS2_OSB_SOFT_RO       0x0001
 #define OCFS2_OSB_HARD_RO       0x0002
 #define OCFS2_OSB_ERROR_FS      0x0004
+#define OCFS2_DEFAULT_ATIME_QUANTUM     60
 
 struct ocfs2_journal;
 struct ocfs2_super
@@ -218,6 +219,7 @@ struct ocfs2_super
         unsigned long osb_flags;
 
         unsigned long s_mount_opt;
+        unsigned int s_atime_quantum;
 
         u16 max_slots;
         s16 node_num;