mav 6afa7d74ec Add control for ATA disk read-ahead, alike to the previously added write
cache control. Some controller BIOS'es tend to disable read-ahead, that
dramatically reduces read performance. Previously ata(4) always enabled
read-ahead unconditionally.

Approved by:	re (kib)
2011-07-29 20:32:27 +00:00
..
2011-05-22 09:58:48 +00:00
MFC
2011-05-09 18:53:13 +00:00
2011-07-25 09:12:48 +00:00
2011-07-08 10:58:56 +00:00
2011-07-25 09:12:48 +00:00
MFC
2011-05-27 16:09:10 +00:00
2011-07-20 18:51:18 +00:00
2011-07-25 09:12:48 +00:00