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ocfs2: core atime update functions

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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>
This commit is contained in:
Tiger Yang
2006-11-15 15:48:42 +08:00
committed by Mark Fasheh
parent 8659ac25b4
commit 7f1a37e31f
7 changed files with 116 additions and 1 deletions
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15
fs/ocfs2/super.c
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@ -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;