diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c
index aa3c62a4e4624bdcdc958814f530014c782eddbb..7e6664d6643d152d2158892295473d8a60aa6fc6 100644
--- a/fs/overlayfs/copy_up.c
+++ b/fs/overlayfs/copy_up.c
@@ -180,6 +180,16 @@ static int ovl_copy_up_data(struct path *old, struct path *new, loff_t len)
 	return error;
 }
 
+static int ovl_set_size(struct dentry *upperdentry, struct kstat *stat)
+{
+	struct iattr attr = {
+		.ia_valid = ATTR_SIZE,
+		.ia_size = stat->size,
+	};
+
+	return notify_change(upperdentry, &attr, NULL);
+}
+
 static int ovl_set_timestamps(struct dentry *upperdentry, struct kstat *stat)
 {
 	struct iattr attr = {
@@ -520,8 +530,18 @@ static int ovl_copy_up_inode(struct ovl_copy_up_ctx *c, struct dentry *temp)
 			return err;
 	}
 
+	if (c->metacopy) {
+		err = ovl_check_setxattr(c->dentry, temp, OVL_XATTR_METACOPY,
+					 NULL, 0, -EOPNOTSUPP);
+		if (err)
+			return err;
+	}
+
 	inode_lock(temp->d_inode);
-	err = ovl_set_attr(temp, &c->stat);
+	if (c->metacopy)
+		err = ovl_set_size(temp, &c->stat);
+	if (!err)
+		err = ovl_set_attr(temp, &c->stat);
 	inode_unlock(temp->d_inode);
 
 	return err;
@@ -559,6 +579,8 @@ static int ovl_copy_up_locked(struct ovl_copy_up_ctx *c)
 	if (err)
 		goto out;
 
+	if (!c->metacopy)
+		ovl_set_upperdata(d_inode(c->dentry));
 	inode = d_inode(c->dentry);
 	ovl_inode_update(inode, newdentry);
 	if (S_ISDIR(inode->i_mode))
@@ -681,6 +703,28 @@ static bool ovl_need_meta_copy_up(struct dentry *dentry, umode_t mode,
 	return true;
 }
 
+/* Copy up data of an inode which was copied up metadata only in the past. */
+static int ovl_copy_up_meta_inode_data(struct ovl_copy_up_ctx *c)
+{
+	struct path upperpath;
+	int err;
+
+	ovl_path_upper(c->dentry, &upperpath);
+	if (WARN_ON(upperpath.dentry == NULL))
+		return -EIO;
+
+	err = ovl_copy_up_data(&c->lowerpath, &upperpath, c->stat.size);
+	if (err)
+		return err;
+
+	err = vfs_removexattr(upperpath.dentry, OVL_XATTR_METACOPY);
+	if (err)
+		return err;
+
+	ovl_set_upperdata(d_inode(c->dentry));
+	return err;
+}
+
 static int ovl_copy_up_one(struct dentry *parent, struct dentry *dentry,
 			   int flags)
 {
@@ -726,7 +770,7 @@ static int ovl_copy_up_one(struct dentry *parent, struct dentry *dentry,
 			return PTR_ERR(ctx.link);
 	}
 
-	err = ovl_copy_up_start(dentry);
+	err = ovl_copy_up_start(dentry, flags);
 	/* err < 0: interrupted, err > 0: raced with another copy-up */
 	if (unlikely(err)) {
 		if (err > 0)
@@ -736,6 +780,8 @@ static int ovl_copy_up_one(struct dentry *parent, struct dentry *dentry,
 			err = ovl_do_copy_up(&ctx);
 		if (!err && parent && !ovl_dentry_has_upper_alias(dentry))
 			err = ovl_link_up(&ctx);
+		if (!err && ovl_dentry_needs_data_copy_up_locked(dentry, flags))
+			err = ovl_copy_up_meta_inode_data(&ctx);
 		ovl_copy_up_end(dentry);
 	}
 	do_delayed_call(&done);
@@ -761,7 +807,7 @@ int ovl_copy_up_flags(struct dentry *dentry, int flags)
 		struct dentry *next;
 		struct dentry *parent = NULL;
 
-		if (ovl_already_copied_up(dentry))
+		if (ovl_already_copied_up(dentry, flags))
 			break;
 
 		next = dget(dentry);
@@ -789,13 +835,13 @@ int ovl_copy_up_flags(struct dentry *dentry, int flags)
 static bool ovl_open_need_copy_up(struct dentry *dentry, int flags)
 {
 	/* Copy up of disconnected dentry does not set upper alias */
-	if (ovl_already_copied_up(dentry))
+	if (ovl_already_copied_up(dentry, flags))
 		return false;
 
 	if (special_file(d_inode(dentry)->i_mode))
 		return false;
 
-	if (!(OPEN_FMODE(flags) & FMODE_WRITE) && !(flags & O_TRUNC))
+	if (!ovl_open_flags_need_copy_up(flags))
 		return false;
 
 	return true;
diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h
index 206e588df095a81e72c16fdbc23fd50f7be38a9d..16a000694c4ed21923cd3e87041b69449a01ca48 100644
--- a/fs/overlayfs/overlayfs.h
+++ b/fs/overlayfs/overlayfs.h
@@ -29,6 +29,7 @@ enum ovl_path_type {
 #define OVL_XATTR_IMPURE OVL_XATTR_PREFIX "impure"
 #define OVL_XATTR_NLINK OVL_XATTR_PREFIX "nlink"
 #define OVL_XATTR_UPPER OVL_XATTR_PREFIX "upper"
+#define OVL_XATTR_METACOPY OVL_XATTR_PREFIX "metacopy"
 
 enum ovl_inode_flag {
 	/* Pure upper dir that may contain non pure upper entries */
@@ -36,6 +37,7 @@ enum ovl_inode_flag {
 	/* Non-merge dir that may contain whiteout entries */
 	OVL_WHITEOUTS,
 	OVL_INDEX,
+	OVL_UPPERDATA,
 };
 
 enum ovl_entry_flag {
@@ -191,6 +193,14 @@ static inline struct dentry *ovl_do_tmpfile(struct dentry *dentry, umode_t mode)
 	return ret;
 }
 
+static inline bool ovl_open_flags_need_copy_up(int flags)
+{
+	if (!flags)
+		return false;
+
+	return ((OPEN_FMODE(flags) & FMODE_WRITE) || (flags & O_TRUNC));
+}
+
 /* util.c */
 int ovl_want_write(struct dentry *dentry);
 void ovl_drop_write(struct dentry *dentry);
@@ -226,6 +236,10 @@ bool ovl_dentry_is_whiteout(struct dentry *dentry);
 void ovl_dentry_set_opaque(struct dentry *dentry);
 bool ovl_dentry_has_upper_alias(struct dentry *dentry);
 void ovl_dentry_set_upper_alias(struct dentry *dentry);
+bool ovl_dentry_needs_data_copy_up(struct dentry *dentry, int flags);
+bool ovl_dentry_needs_data_copy_up_locked(struct dentry *dentry, int flags);
+bool ovl_has_upperdata(struct inode *inode);
+void ovl_set_upperdata(struct inode *inode);
 bool ovl_redirect_dir(struct super_block *sb);
 const char *ovl_dentry_get_redirect(struct dentry *dentry);
 void ovl_dentry_set_redirect(struct dentry *dentry, const char *redirect);
@@ -236,9 +250,9 @@ void ovl_dir_modified(struct dentry *dentry, bool impurity);
 u64 ovl_dentry_version_get(struct dentry *dentry);
 bool ovl_is_whiteout(struct dentry *dentry);
 struct file *ovl_path_open(struct path *path, int flags);
-int ovl_copy_up_start(struct dentry *dentry);
+int ovl_copy_up_start(struct dentry *dentry, int flags);
 void ovl_copy_up_end(struct dentry *dentry);
-bool ovl_already_copied_up(struct dentry *dentry);
+bool ovl_already_copied_up(struct dentry *dentry, int flags);
 bool ovl_check_origin_xattr(struct dentry *dentry);
 bool ovl_check_dir_xattr(struct dentry *dentry, const char *name);
 int ovl_check_setxattr(struct dentry *dentry, struct dentry *upperdentry,
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index d4caeee051ee251426c1ac52c662ce0a100db63b..ab0039161f85c91aff55d3e8584c8a359ebd43e6 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -1485,6 +1485,7 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent)
 	/* Root is always merge -> can have whiteouts */
 	ovl_set_flag(OVL_WHITEOUTS, d_inode(root_dentry));
 	ovl_dentry_set_flag(OVL_E_CONNECTED, root_dentry);
+	ovl_set_upperdata(d_inode(root_dentry));
 	ovl_inode_init(d_inode(root_dentry), upperpath.dentry,
 		       ovl_dentry_lower(root_dentry));
 
diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c
index 43235294e77bd5f41302bf1d5effa89500103836..f8e3c95711b88e8cd1d0cbef0aa1a19e3a7ac7dc 100644
--- a/fs/overlayfs/util.c
+++ b/fs/overlayfs/util.c
@@ -279,6 +279,62 @@ void ovl_dentry_set_upper_alias(struct dentry *dentry)
 	ovl_dentry_set_flag(OVL_E_UPPER_ALIAS, dentry);
 }
 
+static bool ovl_should_check_upperdata(struct inode *inode)
+{
+	if (!S_ISREG(inode->i_mode))
+		return false;
+
+	if (!ovl_inode_lower(inode))
+		return false;
+
+	return true;
+}
+
+bool ovl_has_upperdata(struct inode *inode)
+{
+	if (!ovl_should_check_upperdata(inode))
+		return true;
+
+	if (!ovl_test_flag(OVL_UPPERDATA, inode))
+		return false;
+	/*
+	 * Pairs with smp_wmb() in ovl_set_upperdata(). Main user of
+	 * ovl_has_upperdata() is ovl_copy_up_meta_inode_data(). Make sure
+	 * if setting of OVL_UPPERDATA is visible, then effects of writes
+	 * before that are visible too.
+	 */
+	smp_rmb();
+	return true;
+}
+
+void ovl_set_upperdata(struct inode *inode)
+{
+	/*
+	 * Pairs with smp_rmb() in ovl_has_upperdata(). Make sure
+	 * if OVL_UPPERDATA flag is visible, then effects of write operations
+	 * before it are visible as well.
+	 */
+	smp_wmb();
+	ovl_set_flag(OVL_UPPERDATA, inode);
+}
+
+/* Caller should hold ovl_inode->lock */
+bool ovl_dentry_needs_data_copy_up_locked(struct dentry *dentry, int flags)
+{
+	if (!ovl_open_flags_need_copy_up(flags))
+		return false;
+
+	return !ovl_test_flag(OVL_UPPERDATA, d_inode(dentry));
+}
+
+bool ovl_dentry_needs_data_copy_up(struct dentry *dentry, int flags)
+{
+	if (!ovl_open_flags_need_copy_up(flags))
+		return false;
+
+	return !ovl_has_upperdata(d_inode(dentry));
+}
+
 bool ovl_redirect_dir(struct super_block *sb)
 {
 	struct ovl_fs *ofs = sb->s_fs_info;
@@ -377,7 +433,20 @@ struct file *ovl_path_open(struct path *path, int flags)
 	return dentry_open(path, flags | O_NOATIME, current_cred());
 }
 
-bool ovl_already_copied_up(struct dentry *dentry)
+/* Caller should hold ovl_inode->lock */
+static bool ovl_already_copied_up_locked(struct dentry *dentry, int flags)
+{
+	bool disconnected = dentry->d_flags & DCACHE_DISCONNECTED;
+
+	if (ovl_dentry_upper(dentry) &&
+	    (ovl_dentry_has_upper_alias(dentry) || disconnected) &&
+	    !ovl_dentry_needs_data_copy_up_locked(dentry, flags))
+		return true;
+
+	return false;
+}
+
+bool ovl_already_copied_up(struct dentry *dentry, int flags)
 {
 	bool disconnected = dentry->d_flags & DCACHE_DISCONNECTED;
 
@@ -395,19 +464,20 @@ bool ovl_already_copied_up(struct dentry *dentry)
 	 *      with rename.
 	 */
 	if (ovl_dentry_upper(dentry) &&
-	    (ovl_dentry_has_upper_alias(dentry) || disconnected))
+	    (ovl_dentry_has_upper_alias(dentry) || disconnected) &&
+	    !ovl_dentry_needs_data_copy_up(dentry, flags))
 		return true;
 
 	return false;
 }
 
-int ovl_copy_up_start(struct dentry *dentry)
+int ovl_copy_up_start(struct dentry *dentry, int flags)
 {
 	struct ovl_inode *oi = OVL_I(d_inode(dentry));
 	int err;
 
 	err = mutex_lock_interruptible(&oi->lock);
-	if (!err && ovl_already_copied_up(dentry)) {
+	if (!err && ovl_already_copied_up_locked(dentry, flags)) {
 		err = 1; /* Already copied up */
 		mutex_unlock(&oi->lock);
 	}