linux-ext4 - Re: [PATCH -V2 4/5] ext4: Use both hi and lo bits of the group desc values.

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Message-ID: <4926F00D.6030403@redhat.com>
Date:	Fri, 21 Nov 2008 11:29:49 -0600
From:	Eric Sandeen <sandeen@...hat.com>
To:	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
CC:	cmm@...ibm.com, tytso@....edu, linux-ext4@...r.kernel.org
Subject: Re: [PATCH -V2 4/5] ext4: Use both hi and lo bits of the group desc
 values.

Aneesh Kumar K.V wrote:
> Rename the lower bits with suffix _lo and add helper
> to access the values. Also rename bg_itable_unused_hi
> to bg_pad as in e2fsprogs. bg_itable_unused_hi is never
> used before

Maybe you can add info about under which circumstances (what sort of
fielsystem geometry) the hi bits are needed?  And the failure mode when
we don't use them, if that's known?

Sorry, I'm being nitpicky about commitlogs today :)

-Eric
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