add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/fs/overlayfs/overlayfs.h
..
..
@@ -260,8 +260,10 @@
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 bool ovl_verify_lower(struct super_block *sb);
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 struct ovl_entry *ovl_alloc_entry(unsigned int numlower);
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 bool ovl_dentry_remote(struct dentry *dentry);
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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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+void ovl_dentry_init_reval(struct dentry *dentry, struct dentry *upperdentry);
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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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 bool ovl_dentry_weird(struct dentry *dentry);
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 enum ovl_path_type ovl_path_type(struct dentry *dentry);
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 void ovl_path_upper(struct dentry *dentry, struct path *path);