linux-kernel - Re: [RFC PATCH] i_version: remount support

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Message-ID: <20081007114817.GA7024@infradead.org>
Date:	Tue, 7 Oct 2008 07:48:17 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Mimi Zohar <zohar@...ux.vnet.ibm.com>
Cc:	linux-kernel@...r.kernel.org, Mimi Zohar <zohar@...ibm.com>
Subject: Re: [RFC PATCH] i_version: remount support

On Tue, Oct 07, 2008 at 07:30:48AM -0400, Mimi Zohar wrote:
> Add support for remounting a filesystem with the i_version option.
> 
> Signed-off-by: Mimi Zohar <zohar@...ibm.com>
> ---
> diff --git a/fs/super.c b/fs/super.c
> index e931ae9..3758cbe 100644
> --- a/fs/super.c
> +++ b/fs/super.c
> @@ -641,6 +641,8 @@ int do_remount_sb(struct super_block *sb, int flags, void *data, int force)
>  			return retval;
>  	}
>  	sb->s_flags = (sb->s_flags & ~MS_RMT_MASK) | (flags & MS_RMT_MASK);
> +	if (flags & MS_I_VERSION)
> +		sb->s_flags |= MS_I_VERSION;

The proper way would be to add it to MS_RMT_MASK.

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