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Date:   Sat, 7 Aug 2021 09:55:51 -0700
From:   Eric Biggers <ebiggers@...nel.org>
To:     Shreeya Patel <shreeya.patel@...labora.com>
Cc:     krisman@...labora.com, tytso@....edu, adilger.kernel@...ger.ca,
        jaegeuk@...nel.org, chao@...nel.org, drosen@...gle.com,
        yuchao0@...wei.com, linux-ext4@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net,
        linux-fsdevel@...r.kernel.org, kernel@...labora.com,
        andre.almeida@...labora.com
Subject: Re: [PATCH] fs: unicode: Add utf8-data module

On Fri, Jul 30, 2021 at 06:13:33PM +0530, Shreeya Patel wrote:
> diff --git a/fs/unicode/utf8n.h b/fs/unicode/utf8n.h
> index 0acd530c2c79..6843229bcb2b 100644
> --- a/fs/unicode/utf8n.h
> +++ b/fs/unicode/utf8n.h
> @@ -11,6 +11,7 @@
>  #include <linux/export.h>
>  #include <linux/string.h>
>  #include <linux/module.h>
> +#include <linux/spinlock.h>
>  
>  /* Encoding a unicode version number as a single unsigned int. */
>  #define UNICODE_MAJ_SHIFT		(16)
> @@ -21,6 +22,11 @@
>  	 ((unsigned int)(MIN) << UNICODE_MIN_SHIFT) |	\
>  	 ((unsigned int)(REV)))
>  
> +extern spinlock_t utf8_lock;
> +
> +extern struct utf8_data *utf8_ops;
> +extern bool utf8data_loaded;

The 'utf8data_loaded' variable is unnecessary, since it's equivalent to
'utf8_ops != NULL'.

Also, there are no function pointer fields anymore, so this really should be
called utf8_data, not utf8_ops.

- Eric

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