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(parent: 0812bb9) | patch
ext4: address scalability issue by removing extent cache statistics
authorTheodore Ts'o <tytso@mit.edu>
Mon, 16 Apr 2012 16:16:20 +0000 (12:16 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 22 Apr 2012 22:38:56 +0000 (15:38 -0700)
commitca04d1326cbb108a54da7509efa465be72d08196
treed82379075f2bad92408a068c23c85cae6be0f578tree | snapshot
parent0812bb9ffc89ca0f42f8a3b5111a202dff19f7e5commit | diff
ext4: address scalability issue by removing extent cache statistics

commit 9cd70b347e9761ea2d2ac3d758c529a48a8193e6 upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
fs/ext4/ext4.h diff | blob | history
fs/ext4/extents.c diff | blob | history
fs/ext4/super.c diff | blob | history
Linux kernel for KaRo TX COM modules