Messages in this thread | | | Date | Sat, 11 Nov 2006 11:09:33 -0800 (PST) | From | Luben Tuikov <> | Subject | Re: 2.6.19-rc3 system freezes when ripping with cdparanoia at ioctl(SG_IO) |
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--- Christoph Hellwig <hch@infradead.org> wrote: > On Fri, Nov 10, 2006 at 12:08:15PM -0800, Luben Tuikov wrote: > > P.S. I'd love to see SG_DXFER_TO_FROM_DEV completely ripped out > > of sg.c, for obvious reasons. Can you not duplicate the resid "fix" > > it provides into "FROM_DEV" -- do apps really rely on it? > > At the beginning of this thread it was mentioned cdparanio uses it. > But in general we can't just rip out userland interfaces, we pretend > to have a stable userspace abi (and except for the big sysfs mess that > actually comes very close to the truth).
The more reason to think things thorougly when introducing new code and architecture into a kernel.
Luben
> What we should do is to document very well what SG_DXFER_TO_FROM_DEV > is doing and that odd name that's been chosen for it. I'll prepare > a patch for that.
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