From: Theodore Ts'o <tytso@mit.edu>
Date: Mon, 16 Apr 2012 16:16:20 +0000 (-0400)
Subject: ext4: address scalability issue by removing extent cache statistics
X-Git-Tag: v3.4-rc4~34^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9cd70b347e9761ea2d2ac3d758c529a48a8193e6;p=pandora-kernel.git

ext4: address scalability issue by removing extent cache statistics

Andi Kleen and Tim Chen have reported that under certain circumstances
the extent cache statistics are causing scalability problems due to
cache line bounces.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: stable@vger.kernel.org
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