linux-kernel - RE: [PATCH v3] exfat: integrates dir-entry getting and validation

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Date:   Mon, 10 Aug 2020 15:10:21 +0900
From:   "Namjae Jeon" <namjae.jeon@...sung.com>
To:     "'Tetsuhiro Kohada'" <kohada.t2@...il.com>
Cc:     <kohada.tetsuhiro@...mitsubishielectric.co.jp>,
        <mori.takahiro@...mitsubishielectric.co.jp>,
        <motai.hirotaka@...mitsubishielectric.co.jp>,
        "'Sungjong Seo'" <sj1557.seo@...sung.com>,
        <linux-fsdevel@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v3] exfat: integrates dir-entry getting and validation

> 
> +#define TYPE_PRIMARY		(TYPE_CRITICAL_PRI | TYPE_BENIGN_PRI)
> +#define TYPE_SECONDARY		(TYPE_CRITICAL_SEC | TYPE_BENIGN_SEC)
> +
>  #define MAX_CHARSET_SIZE	6 /* max size of multi-byte character */
>  #define MAX_NAME_LENGTH		255 /* max len of file name excluding NULL */
>  #define MAX_VFSNAME_BUF_SIZE	((MAX_NAME_LENGTH + 1) * MAX_CHARSET_SIZE)
> @@ -171,7 +174,9 @@ struct exfat_entry_set_cache {
>  	unsigned int start_off;
>  	int num_bh;
>  	struct buffer_head *bh[DIR_CACHE_SIZE];
> -	unsigned int num_entries;
> +	int num_entries;
> +	struct exfat_de_file *de_file;
> +	struct exfat_de_stream *de_stream;
I prefer to assign validated entries to **de and use it using enum value.
	struct exfat_dentry **de;
>  };