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>
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index d9b1eb6..b099257 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -139,6 +139,7 @@
Opt_hb_local,
Opt_data_ordered,
Opt_data_writeback,
+ Opt_atime_quantum,
Opt_err,
};
@@ -152,6 +153,7 @@
{Opt_hb_local, OCFS2_HB_LOCAL},
{Opt_data_ordered, "data=ordered"},
{Opt_data_writeback, "data=writeback"},
+ {Opt_atime_quantum, "atime_quantum=%u"},
{Opt_err, NULL}
};
@@ -705,6 +707,7 @@
while ((p = strsep(&options, ",")) != NULL) {
int token, option;
substring_t args[MAX_OPT_ARGS];
+ struct ocfs2_super * osb = OCFS2_SB(sb);
if (!*p)
continue;
@@ -745,6 +748,16 @@
case Opt_data_writeback:
*mount_opt |= OCFS2_MOUNT_DATA_WRITEBACK;
break;
+ case Opt_atime_quantum:
+ if (match_int(&args[0], &option)) {
+ status = 0;
+ goto bail;
+ }
+ if (option >= 0)
+ osb->s_atime_quantum = option;
+ else
+ osb->s_atime_quantum = OCFS2_DEFAULT_ATIME_QUANTUM;
+ break;
default:
mlog(ML_ERROR,
"Unrecognized mount option \"%s\" "
@@ -1265,6 +1278,8 @@
init_waitqueue_head(&osb->checkpoint_event);
atomic_set(&osb->needs_checkpoint, 0);
+ osb->s_atime_quantum = OCFS2_DEFAULT_ATIME_QUANTUM;
+
osb->node_num = O2NM_INVALID_NODE_NUM;
osb->slot_num = OCFS2_INVALID_SLOT;