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From: Andrew Morton <akpm@osdl.org>
To: "Takashi Sato" <sho@tnes.nec.co.jp>
Cc: torvalds@osdl.org, viro@zeniv.linux.org.uk,
	linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	trond.myklebust@fys.uio.no
Subject: Re: [PATCH 3/3] Fix problems on multi-TB filesystem and file
Date: Thu, 12 Jan 2006 18:33:54 -0800	[thread overview]
Message-ID: <20060112183354.03eaf2df.akpm@osdl.org> (raw)
In-Reply-To: <000201c611df$92dca230$4168010a@bsd.tnes.nec.co.jp>

"Takashi Sato" <sho@tnes.nec.co.jp> wrote:
>
> his fix was proposed by Trond Myklebust.  He says:
>   The type "sector_t" is heavily tied in to the block layer interface
>   as an offset/handle to a block, and is subject to a supposedly
>   block-specific configuration option: CONFIG_LBD. Despite this, it is
>   used in struct kstatfs to save a couple of bytes on the stack
>   whenever we call the filesystems' ->statfs().
> 
>  So kstatfs's entries related to blocks are invalid on statfs64 for a
>  network filesystem which has more than 2^32-1 blocks when CONFIG_LBD
>  is disabled.
> 

That makes sense, thanks.

  reply	other threads:[~2006-01-13  2:34 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-01-05 10:05 Takashi Sato
2006-01-13  2:33 ` Andrew Morton [this message]
  -- strict thread matches above, loose matches on Subject: below --
2005-12-16 13:11 Takashi Sato
     [not found] ` <2cd57c900512161139n7d738415q@mail.gmail.com>
2005-12-16 19:57   ` Trond Myklebust
     [not found]     ` <2cd57c900512161224i1079572ao@mail.gmail.com>
2005-12-16 20:37       ` Trond Myklebust

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