Can someone give me a brief explanation, with pointers to the
appropriate source files, of how readahead works in NetBSD? A few
months ago I was sure I'd found some code that triggered 64K reads
if it detected sequential file reads, but I can't seem to find it
any more.

cjs
-- 
Curt Sampson  <cjs@cynic.net>   +81 90 7737 2974   http://www.netbsd.org
    Don't you know, in this new Dark Age, we're all light.  --XTC