Author: ivoras
Date: Wed Mar 16 16:22:59 2011
New Revision: 219699
URL: http://svn.freebsd.org/changeset/base/219699
Log:
The hardware has caught up; improvements are now observed even at 128,
but stay conservative and bump read_max to "only" 64 (it will probably be
a good idea to increase this to 128 after the next major release).
Modified:
head/sys/kern/vfs_cluster.c
Modified: head/sys/kern/vfs_cluster.c
==============================================================================
--- head/sys/kern/vfs_cluster.c Wed Mar 16 16:09:08 2011 (r219698)
+++ head/sys/kern/vfs_cluster.c Wed Mar 16 16:22:59 2011 (r219699)
@@ -71,7 +71,7 @@ static int write_behind = 1;
SYSCTL_INT(_vfs, OID_AUTO, write_behind, CTLFLAG_RW, &write_behind, 0,
"Cluster write-behind; 0: disable, 1: enable, 2: backed off");
-static int read_max = 32;
+static int read_max = 64;
SYSCTL_INT(_vfs, OID_AUTO, read_max, CTLFLAG_RW, &read_max, 0,
"Cluster read-ahead max block count");
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