On 2011/03/02 12:09, Mike Belopuhov wrote: > On Wed, Mar 2, 2011 at 11:54 AM, Okan Demirmen <o...@demirmen.com> wrote: > > I'm not certain this is wanted, but I said I would forward along this > > very simplisitc patch, so here it is. If something like this is wanted, > > it can be re-worked to take multiple args to -e and such, but again, > > only if this is deemed necessary in a userland tool outside of scsi(8). > > > > i think this is pointless. if you have an ioctl implemented in the > driver that enables cache, then sd(4) itself will enable it for you. > if your driver doesn't implement those ioctls it gives you a false > idea that you can turn it on which is not true obviously.
I guess some people might be thinking users may want to disable this cache for safety or something. Those people might reconsider if they actually try one of these systems - it isn't just "a bit slower", the system really is unusable without it.
