Re: [PATCH] compat_ioctl requires CONFIG_BLOCK

[Christoph Hellwig <hch@infradead.org>]

On Sat, Jul 21, 2007 at 01:08:57AM +0200, Arnd Bergmann wrote:
> On Saturday 21 July 2007, Sebastian Siewior wrote:
> > 
> > Got with randconfig
> > include/linux/loop.h:66: error: expected specifier-qualifier-list before
> > 'request_queue_t'
> > make[1]: *** [fs/compat_ioctl.o] Error 1
> > 
> > parts of compat ioctl require CONFIG_BLOCK to be set.
> > 
> > Signed-off-by: Sebastian Siewior <sebastian@breakpoint.cc>
> > Index: b/fs/compat_ioctl.c
> > ===================================================================
> > --- a/fs/compat_ioctl.c
> > +++ b/fs/compat_ioctl.c
> > @@ -63,7 +63,9 @@
> > ?#include <linux/wireless.h>
> > ?#include <linux/atalk.h>
> > ?#include <linux/blktrace_api.h>
> > +#ifdef CONFIG_BLOCK
> > ?#include <linux/loop.h>
> > +#endif
> 
> Adding #ifdef around an #include is considered bad style. Better just
> make loop.h compile without any conditionals. Does the below
> patch work for you?

That patch looks good, but even better would be adding a compat_ioctl
handler to the loop driver.  IIRC you even have an old patch for that :)

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