Hi again, On Mon, 23 Feb 2004, Alan Stern wrote:
> Basically the same fix that worked for "Francis, Chong Chan Fai" ought to > work for you. It's a very simple change, as you can see from the patch > below. > > Alan Stern > > > ===== scsiglue.c 1.70 vs edited ===== > --- 1.70/drivers/usb/storage/scsiglue.c Fri Jan 30 22:02:35 2004 > +++ edited/drivers/usb/storage/scsiglue.c Mon Feb 23 11:20:51 2004 > @@ -370,8 +370,8 @@ > /* lots of sg segments can be handled */ > .sg_tablesize = SG_ALL, > > - /* limit the total size of a transfer to 120 KB */ > - .max_sectors = 240, > + /* limit the total size of a transfer to 64 KB */ > + .max_sectors = 128, > > /* merge commands... this seems to help performance, but > * periodically someone should test to see which setting is more Thanks, this seems to do the trick. vmstat indicates a constant read rate at around 20 megabytes per second from the hardisk now :) Best regards, -- Juhan Ernits ------------------------------------------------------- SF.Net is sponsored by: Speed Start Your Linux Apps Now. Build and deploy apps & Web services for Linux with a free DVD software kit from IBM. Click Now! http://ads.osdn.com/?ad_id=1356&alloc_id=3438&op=click _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
