Subject: Re: NEW_BUFQ_STRATEGY vs. options.4 [was: Re: Status of NEW_BUFQ_STRATEGY?]
To: Hubert Feyrer <>
From: Bang Jun-Young <>
List: tech-kern
Date: 11/28/2002 13:19:19
On Thu, Nov 28, 2002 at 01:41:34AM +0100, Hubert Feyrer wrote:
> On Thu, 28 Nov 2002, Bang Jun-Young wrote:
> > It was intended to be temporary when I added it. ;-) Eventually it will
> > replace the old strategy and the option will be gone.
> until then, it should be documented./

How about this:

Index: options.4
RCS file: /cvsroot/sharesrc/share/man/man4/options.4,v
retrieving revision 1.190
diff -u -r1.190 options.4
--- options.4	2002/11/19 04:16:02	1.190
+++ options.4	2002/11/28 04:16:16
@@ -789,6 +789,13 @@
 .Ss Miscellaneous Options
 .Bl -ohang
+Enable experimental buffer queue strategy for disk I/O.
+It gives higher priority to read requests over write requests, and thereby
+improves the overall system responsiveness considerably under heavy disk
+I/O load.
+.Em NOTE :
+It's not yet proven to be stable, so use it at your own risk.
 .It Cd options LKM
 Enable loadable kernel modules.

Bang Jun-Young <>