ovl_maybe_copy_up  121 fs/overlayfs/file.c 	err = ovl_maybe_copy_up(file_dentry(file), file->f_flags);
ovl_maybe_copy_up  432 fs/overlayfs/file.c 	ret = ovl_maybe_copy_up(file_dentry(file), O_WRONLY);
ovl_maybe_copy_up  424 fs/overlayfs/overlayfs.h int ovl_maybe_copy_up(struct dentry *dentry, int flags);