linux-kernel - Re: [PATCH v8 10/13] exfat: add nls operations

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Message-ID: <5b0febd5-642b-83f2-7d81-7a1cbb302e3c@web.de>
Date:   Tue, 31 Dec 2019 15:23:53 +0100
From:   Markus Elfring <Markus.Elfring@....de>
To:     Namjae Jeon <namjae.jeon@...sung.com>,
        linux-fsdevel@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, Christoph Hellwig <hch@....de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Sungjong Seo <sj1557.seo@...sung.com>,
        Valdis Klētnieks <valdis.kletnieks@...edu>,
        linkinjeon@...il.com
Subject: Re: [PATCH v8 10/13] exfat: add nls operations

…
> +++ b/fs/exfat/nls.c
…
> +int exfat_nls_cmp_uniname(struct super_block *sb, unsigned short *a,
> +		unsigned short *b)
> +{
> +	int i;
> +
> +	for (i = 0; i < MAX_NAME_LENGTH; i++, a++, b++) {
> +		if (exfat_nls_upper(sb, *a) != exfat_nls_upper(sb, *b))

Can it matter to compare run time characteristics with the following
code variant?

+	for (i = 0; i < MAX_NAME_LENGTH; i++) {
+		if (exfat_nls_upper(sb, a[i]) != exfat_nls_upper(sb, b[i]))

Regards,
Markus