linux-kernel - Re: [RFC][PATCH 14/14] tmpfs whiteout support

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Message-ID: <Pine.LNX.4.64.0705141710280.29949@blonde.wat.veritas.com>
Date:	Mon, 14 May 2007 17:13:11 +0100 (BST)
From:	Hugh Dickins <hugh@...itas.com>
To:	Bharata B Rao <bharata@...ux.vnet.ibm.com>
cc:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	Jan Blunck <j.blunck@...harburg.de>
Subject: Re: [RFC][PATCH 14/14] tmpfs whiteout support

On Mon, 14 May 2007, Bharata B Rao wrote:
> From: Jan Blunck <j.blunck@...harburg.de>
> Subject: tmpfs whiteout support
> 
> Introduce whiteout support to tmpfs.
> 
> Signed-off-by: Jan Blunck <j.blunck@...harburg.de>
> Signed-off-by: Bharata B Rao <bharata@...ux.vnet.ibm.com>
> ---
>  mm/shmem.c |    9 ++++++++-
>  1 files changed, 8 insertions(+), 1 deletion(-)
> 
> --- a/mm/shmem.c
> +++ b/mm/shmem.c
> @@ -74,7 +74,7 @@
>  #define LATENCY_LIMIT	 64
>  
>  /* Pretend that each entry is of this size in directory's i_size */
> -#define BOGO_DIRENT_SIZE 20
> +#define BOGO_DIRENT_SIZE 1

Why would that change be needed for whiteout support?

Hugh
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