Why is IOCTL_CDROM_READ_TOC so slow?

Eric Pouech eric.pouech at wanadoo.fr
Fri Jan 31 12:37:52 CST 2003


Waldeck Schutzer wrote:
> Here is something interesting. When I turn the drive back into a plain 
> ide (by removing the ide-scsi option from the kernel options), it speeds 
> up considerably. Now it rocks! This makes me wonder what the heck is 
> going on with the kernel.
dunno
maybe either some non caching being used in scsi, or request queueing 
with timers...
should find some time reading the kernel source though

A+


-- 
Eric Pouech




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