Revert "vfs: update ovl inode before relatime check"
This reverts commit 598e3c8f72f5b77c84d2cb26cfd936ffb3cfdbaa.
Overlayfs no longer relies on the vfs correct atime handling.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
diff --git a/fs/inode.c b/fs/inode.c
index 7ef6f19..077a617 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -1555,36 +1555,16 @@
EXPORT_SYMBOL(bmap);
/*
- * Update times in overlayed inode from underlying real inode
- */
-static void update_ovl_inode_times(struct dentry *dentry, struct inode *inode,
- bool rcu)
-{
- if (!rcu) {
- struct inode *realinode = d_real_inode(dentry);
-
- if (unlikely(inode != realinode) &&
- (!timespec64_equal(&inode->i_mtime, &realinode->i_mtime) ||
- !timespec64_equal(&inode->i_ctime, &realinode->i_ctime))) {
- inode->i_mtime = realinode->i_mtime;
- inode->i_ctime = realinode->i_ctime;
- }
- }
-}
-
-/*
* With relative atime, only update atime if the previous atime is
* earlier than either the ctime or mtime or if at least a day has
* passed since the last atime update.
*/
-static int relatime_need_update(const struct path *path, struct inode *inode,
- struct timespec now, bool rcu)
+static int relatime_need_update(struct vfsmount *mnt, struct inode *inode,
+ struct timespec now)
{
- if (!(path->mnt->mnt_flags & MNT_RELATIME))
+ if (!(mnt->mnt_flags & MNT_RELATIME))
return 1;
-
- update_ovl_inode_times(path->dentry, inode, rcu);
/*
* Is mtime younger than atime? If yes, update atime:
*/
@@ -1655,8 +1635,7 @@
* This function automatically handles read only file systems and media,
* as well as the "noatime" flag and inode specific "noatime" markers.
*/
-bool __atime_needs_update(const struct path *path, struct inode *inode,
- bool rcu)
+bool atime_needs_update(const struct path *path, struct inode *inode)
{
struct vfsmount *mnt = path->mnt;
struct timespec64 now;
@@ -1682,7 +1661,7 @@
now = current_time(inode);
- if (!relatime_need_update(path, inode, timespec64_to_timespec(now), rcu))
+ if (!relatime_need_update(mnt, inode, timespec64_to_timespec(now)))
return false;
if (timespec64_equal(&inode->i_atime, &now))
@@ -1697,7 +1676,7 @@
struct inode *inode = d_inode(path->dentry);
struct timespec64 now;
- if (!__atime_needs_update(path, inode, false))
+ if (!atime_needs_update(path, inode))
return;
if (!sb_start_write_trylock(inode->i_sb))