add ax88772_rst

hc

2024-05-10 9999e48639b3cecb08ffb37358bcba3b48161b29

 kernel/fs/overlayfs/util.c
..
..
@@ -98,14 +98,30 @@
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 	return oe;
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 }
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+#define OVL_D_REVALIDATE (DCACHE_OP_REVALIDATE | DCACHE_OP_WEAK_REVALIDATE)
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+
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 bool ovl_dentry_remote(struct dentry *dentry)
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 {
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-	return dentry->d_flags &
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-		(DCACHE_OP_REVALIDATE | DCACHE_OP_WEAK_REVALIDATE);
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+	return dentry->d_flags & OVL_D_REVALIDATE;
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 }
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-void ovl_dentry_update_reval(struct dentry *dentry, struct dentry *upperdentry,
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-			     unsigned int mask)
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+void ovl_dentry_update_reval(struct dentry *dentry, struct dentry *realdentry)
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+{
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+	if (!ovl_dentry_remote(realdentry))
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+		return;
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+
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+	spin_lock(&dentry->d_lock);
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+	dentry->d_flags |= realdentry->d_flags & OVL_D_REVALIDATE;
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+	spin_unlock(&dentry->d_lock);
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+}
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+
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+void ovl_dentry_init_reval(struct dentry *dentry, struct dentry *upperdentry)
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+{
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+	return ovl_dentry_init_flags(dentry, upperdentry, OVL_D_REVALIDATE);
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+}
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+
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+void ovl_dentry_init_flags(struct dentry *dentry, struct dentry *upperdentry,
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+			   unsigned int mask)
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 {
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 	struct ovl_entry *oe = OVL_E(dentry);
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 	unsigned int i, flags = 0;