From 534cf9ca553953e4c12fa5f0d23e543f9a6ccbaf Mon Sep 17 00:00:00 2001
From: Steven Whitehouse <swhiteho@redhat.com>
Date: Mon, 6 Jan 2014 12:03:05 +0000
Subject: [PATCH] GFS2: Consolidate transaction blocks calculation for dir add

There are three cases where we need to calculate the number of
blocks to reserve in a transaction involving linking an inode
into a directory. The one in rename is a bit more complicated,
but the basis of it is the same as for link and create. So it
makes sense to move this calculation into a single function
rather than repeating it three times.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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