From: Theodore Ts'o <tytso@mit.edu>
Date: Fri, 6 Feb 2009 21:23:37 +0000 (-0500)
Subject: ext4: remove call to ext4_group_desc() in ext4_group_used_meta_blocks()
X-Git-Tag: v2.6.30-rc1~416^2~31
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e187c6588d6ef3169db53c389b3de9dfde3b16cc;p=pandora-kernel.git

ext4: remove call to ext4_group_desc() in ext4_group_used_meta_blocks()

The static function ext4_group_used_meta_blocks() only has one caller,
who already has access to the block group's group descriptor.  So it's
better to have ext4_init_block_bitmap() pass the group descriptor to
ext4_group_used_meta_blocks(), so it doesn't need to call
ext4_group_desc().  Previously this function did not check if
ext4_group_desc() returned NULL due to an error, potentially causing a
kernel OOPS report.  This avoids the issue entirely.

Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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