From: Wang Sheng-Hui <shhuiw@gmail.com>
Date: Mon, 8 Oct 2012 13:26:15 +0000 (-0600)
Subject: Btrfs: remove repeated eb->pages check in, disk-io.c/csum_dirty_buffer
X-Git-Tag: v3.7-rc1~71^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1037a5affc266fdfe08b2dd415d309ab2778ce6a;p=pandora-kernel.git

Btrfs: remove repeated eb->pages check in, disk-io.c/csum_dirty_buffer

In csum_dirty_buffer, we first get eb from page->private.
Then we check if the page is the first page of eb. Later
we check it again. Remove the repeated check here.

Signed-off-by: Wang Sheng-Hui <shhuiw@gmail.com>
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