From b57c2cb9ea1a02c2ae08e16de8c20cc13ffbf85a Mon Sep 17 00:00:00 2001
From: Fabian Frederick <fabf@skynet.be>
Date: Sun, 24 May 2015 17:19:41 +0200
Subject: [PATCH] pagemap.h: move dir_pages() over there

That function was declared in a lot of filesystems to calculate
directory pages.

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Reading git-format-patch failed