linux-ext4 - Re: [PATCH] block: Add Kconfig help which notes that ext4 needs CONFIG

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Message-ID: <20090106201747.GA12578@mit.edu>
Date:	Tue, 6 Jan 2009 15:17:47 -0500
From:	Theodore Tso <tytso@....edu>
To:	Ext4 Developers List <linux-ext4@...r.kernel.org>
Cc:	Jens Axboe <jens.axboe@...cle.com>
Subject: Re: [PATCH] block: Add Kconfig help which notes that ext4 needs
	CONFIG_LSF

I had to use a slightly different patch for 2.6.28-git7...

block: Add Kconfig help which notes that ext4 needs CONFIG_LBD

Signed-off-by: "Theodore Ts'o" <tytso@....edu>
Cc: Jens Axboe <jens.axboe@...cle.com>
diff --git a/block/Kconfig b/block/Kconfig
index ac0956f..0cbb3b8 100644
--- a/block/Kconfig
+++ b/block/Kconfig
@@ -36,6 +36,12 @@ config LBD
 	  This option also enables support for single files larger than
 	  2TB.
 
+	  The ext4 filesystem requires that this feature be enabled in
+	  order to support filesystems that have the huge_file feature
+	  enabled.    Otherwise, it will refuse to mount any filesystems
+	  that use the huge_file feature, which is enabled by default
+	  by mke2fs.ext4.   The GFS2 filesystem also requires this feature.
+
 	  If unsure, say N.
 
 config BLK_DEV_IO_TRACE
--
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