Bug#270199: Performance prob applies to 2.4.27-1-686 too

[John <summer@computerdatasafe.com.au>]

ns:~# uname -r
2.4.27-1-686
ns:~# hdparm /dev/hda

/dev/hda:
 multcount    = 16 (on)
 IO_support   =  0 (default 16-bit)
 unmaskirq    =  0 (off)
 using_dma    =  0 (off)
 keepsettings =  0 (off)
 readonly     =  0 (off)
 readahead    =  8 (on)
 geometry     = 14593/255/63, sectors = 234441648, start = 0
ns:~# hdparm -d1 /dev/hda

/dev/hda:
 setting using_dma to 1 (on)
 HDIO_SET_DMA failed: Operation not permitted
 using_dma    =  0 (off)
ns:~# hdparm -t /dev/hda{,}

/dev/hda:
 Timing buffered disk reads:   12 MB in  3.46 seconds =   3.47 MB/sec

/dev/hda:
 Timing buffered disk reads:   12 MB in  3.45 seconds =   3.48 MB/sec
ns:~#