From 27baebb849d46d901e756e6502b0a65a62e43771 Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Fri, 9 Sep 2011 19:02:51 -0400
Subject: [PATCH] ext4: tune mballoc's default group prealloc size for bigalloc
 file systems

The default group preallocation size had been previously set to 512
blocks/clusters, regardless of the block/cluster size.  This is
probably too big for large cluster sizes.  So adjust the default so
that it is 2 megabytes or 32 clusters, whichever is larger.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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