Am 07.09.2010 04:04, schrieb Christoph Hellwig: > On Mon, Sep 06, 2010 at 05:39:00PM +0200, Alexander Graf wrote: >> >> On 06.09.2010, at 17:06, Bernhard Kohl wrote: >> >>> From: Bernhard Kohl <bernhard.k...@gmx.net> >>> >>> Allow symbolic links which point to /dev/sgX devices. >> >> Couldn't you send an SG_IO test ioctl over and see if it works? I really >> dislike the whole file name magic matching. > > You could, but the result would not be what you expect, given that every > /dev/sd* device and more in Linux support it. > > What we really need is to stop shoe-horning scsi pass through support > into the block layer. Once we finally get our generic thread offload > facilily there is no need for it anymore at all, scsi-generic can > simplify offload the SG_IO ioctl and be done with it. I even have an > old prototype for this, just waiting for the generic thread offload > to get merged before resurrecting it.
Let's apply this patch for the time being then, and remove the code altogether as soon as possible. Kevin
