linux-kernel - Re: Wrong free clusters count on FAT32

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Message-ID: <jewt04e9zn.fsf@sykes.suse.de>
Date:	Sun, 22 Apr 2007 16:53:32 +0200
From:	Andreas Schwab <schwab@...e.de>
To:	OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
Cc:	7eggert@....de, Juergen Beisert <juergen127@...uzholzen.de>,
	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: Wrong free clusters count on FAT32

OGAWA Hirofumi <hirofumi@...l.parknet.co.jp> writes:

> diff -puN Documentation/filesystems/vfat.txt~fat_dont-use_free_clusters-for-fat32 Documentation/filesystems/vfat.txt
> --- linux-2.6/Documentation/filesystems/vfat.txt~fat_dont-use_free_clusters-for-fat32	2007-04-22 23:06:21.000000000 +0900
> +++ linux-2.6-hirofumi/Documentation/filesystems/vfat.txt	2007-04-22 23:28:19.000000000 +0900
> @@ -34,6 +34,13 @@ iocharset=name -- Character set to use f
>  		 NOTE: "iocharset=utf8" is not recommended. If unsure,
>  		 you should consider the following option instead.

"the following option" is no longer correct.

>  
> +usefree       -- Use the "free clusters" value stored on FSINFO. It'll
> +                 be used to determine number of free clusters without
> +                 scanning disk. But it's not used by default, because
> +                 recent Windows don't update it correctly in some
> +                 case. If you are sure the "free clusters" on FSINFO is
> +                 correct, by this option you can avoid scanning disk.
> +
>  utf8=<bool>   -- UTF-8 is the filesystem safe version of Unicode that
>  		 is used by the console.  It can be enabled for the
>  		 filesystem with this option. If 'uni_xlate' gets set,

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@...e.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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