Messages in this thread | | | Date | 18 Jan 2005 10:51:09 +0100 | Date | Tue, 18 Jan 2005 10:51:09 +0100 | From | Andi Kleen <> | Subject | Re: [PATCH] Support compat_ioctl for block devices |
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On Tue, Jan 18, 2005 at 09:36:45AM +0000, Christoph Hellwig wrote: > On Tue, Jan 18, 2005 at 10:31:58AM +0100, Andi Kleen wrote: > > > - please don't introduce a new API with the BKL held. > > > > Nope, I'm not going to audit zillions of low level functions for this. > > So just stick a lock_kernel() unlock_kernel() into the handler, it's > not like there's more than a handfull of them.
Hmm, possible, although it tends to be quite ugly (requiring either gotos or wrappers). But ok.
> > > > - prototype isn't nice. just passing the gendisk for block_device > > > should be enough. > > > > No, it isn't, the compat handler needs cmd and arg, and file is useful > > when you pass it to an existing ioctl handler. > > cmd/arg is needed, file shouldn't. If you care for the underlying handler > add a version that doesn't take the file * either.
Sorry, that didn't make any sense.
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