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(parent: 250a9e8) | 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 22:30:59 +0000 (15:30 -0700)
commit23066aae743c617dcd1f77a64f6d44bebf87b097
tree75db3403cb9c83529d8befc710d0de8f5c1fc1f3tree | snapshot
parent250a9e89bb62efc7719cc44f0e19536d58ab51d7commit | 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
unionfs2-2.6.39.y