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authorTiger Yang <tiger.yang@oracle.com>2006-11-15 15:48:42 +0800
committerMark Fasheh <mark.fasheh@oracle.com>2006-12-01 18:28:51 -0800
commit7f1a37e31f94b4f1c123d32ce9f69205ab2095bd (patch)
tree7d2136573966de80d031e7320db11c15d7f93a92 /fs/ocfs2/super.c
parent8659ac25b434fcc61cf7797f4b69edc3eaaffb55 (diff)
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>
Diffstat (limited to 'fs/ocfs2/super.c')
-rw-r--r--fs/ocfs2/super.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index d9b1eb6a3c6e..b0992573dee2 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -139,6 +139,7 @@ enum {
Opt_hb_local,
Opt_data_ordered,
Opt_data_writeback,
+ Opt_atime_quantum,
Opt_err,
};
@@ -152,6 +153,7 @@ static match_table_t tokens = {
{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 @@ static int ocfs2_parse_options(struct super_block *sb,
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 @@ static int ocfs2_parse_options(struct super_block *sb,
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 @@ static int ocfs2_initialize_super(struct super_block *sb,
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;