linux-ext4 - Re: [PATCH] libext2fs: reserve exclude bitmap fields in group descriptor

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Message-ID: <20110915131606.GG15782@thunk.org>
Date:	Thu, 15 Sep 2011 09:16:06 -0400
From:	Ted Ts'o <tytso@....edu>
To:	Amir Goldstein <amir73il@...il.com>
Cc:	Andreas Dilger <adilger.kernel@...ger.ca>,
	"Darrick J. Wong" <djwong@...ibm.com>,
	Sunil Mushran <sunil.mushran@...cle.com>,
	Andi Kleen <andi@...stfloor.org>,
	Mingming Cao <cmm@...ibm.com>,
	Joel Becker <jlbec@...lplan.org>, linux-ext4@...r.kernel.org,
	Coly Li <colyli@...il.com>,
	Yongqiang Yang <xiaoqiangnk@...il.com>
Subject: Re: [PATCH] libext2fs: reserve exclude bitmap fields in group
 descriptor

On Thu, Sep 15, 2011 at 09:50:20AM +0300, Amir Goldstein wrote:
> -#define EXT2_FEATURE_COMPAT_EXCLUDE_INODE      0x0080
> +/* #define EXT2_FEATURE_COMPAT_EXCLUDE_INODE   0x0080 not used */
> +#define EXT2_FEATURE_COMPAT_EXCLUDE_BITMAP     0x0100

Why this change?  Is it because you're already using 0x0100 in
shipping systems?

						- Ted

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