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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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39
fs/ocfs2/dlmglue.c
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@@ -49,6 +49,7 @@
#include "dcache.h"
#include "dlmglue.h"
#include "extent_map.h"
#include "file.h"
#include "heartbeat.h"
#include "inode.h"
#include "journal.h"
@@ -1723,6 +1724,44 @@ int ocfs2_meta_lock_with_page(struct inode *inode,
return ret;
}
int ocfs2_meta_lock_atime(struct inode *inode,
struct vfsmount *vfsmnt,
int *level)
{
int ret;
mlog_entry_void();
ret = ocfs2_meta_lock(inode, NULL, 0);
if (ret < 0) {
mlog_errno(ret);
return ret;
}
/*
* If we should update atime, we will get EX lock,
* otherwise we just get PR lock.
*/
if (ocfs2_should_update_atime(inode, vfsmnt)) {
struct buffer_head *bh = NULL;
ocfs2_meta_unlock(inode, 0);
ret = ocfs2_meta_lock(inode, &bh, 1);
if (ret < 0) {
mlog_errno(ret);
return ret;
}
*level = 1;
if (ocfs2_should_update_atime(inode, vfsmnt))
ocfs2_update_inode_atime(inode, bh);
if (bh)
brelse(bh);
} else
*level = 0;
mlog_exit(ret);
return ret;
}
void ocfs2_meta_unlock(struct inode *inode,
int ex)
{