From: Theodore Ts'o <tytso@mit.edu>
Date: Fri, 9 Sep 2011 23:02:51 +0000 (-0400)
Subject: ext4: tune mballoc's default group prealloc size for bigalloc file systems
X-Git-Tag: v3.2-rc1~85^2~67
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=27baebb849d46d901e756e6502b0a65a62e43771;p=pandora-kernel.git

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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