Date: Mon, 18 Feb 2008 00:04:39 -0700
From: Andreas Dilger <adilger@sun.com>
Subject: Re: [2.6 patch] fs/jbd/journal.c: cleanups
In-reply-to: <20080217081935.GN3848@cs181133002.pp.htv.fi>
To: Adrian Bunk <bunk@kernel.org>
Cc: sct@redhat.com, akpm@linux-foundation.org, linux-ext4@vger.kernel.org,
       linux-kernel@vger.kernel.org
Message-id: <20080218070439.GG3029@webber.adilger.int>
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On Feb 17, 2008  10:19 +0200, Adrian Bunk wrote:
> This patch contains the following cleanups:
> - make the following needlessly global function static:
>   - journal_check_used_features()
> - remove the following unused EXPORT_SYMBOL's:
>   - journal_set_features
>   - journal_update_superblock

Nack.  I don't object to un-exporting journal_update_superblock(), because
that is pretty internal, but the other functions are intended specifically
for use by code outside of JBD.  For example, the journal checksum patch for
ext3/4 uses journal_set_features() to turn on features in the JBD superblock.

Similarly, for 64-bit support in ext4 uses journal_set_features() to set
a 64-bit feature flag in the journal superblock.

Cheers, Andreas
--
Andreas Dilger
Sr. Staff Engineer, Lustre Group
Sun Microsystems of Canada, Inc.

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