Re: [PATCH] compat_ioctl requires CONFIG_BLOCK

From: Arnd Bergmann
Date: Fri Jul 20 2007 - 19:44:26 EST


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@xxxxxxxxxxxxx>
> 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?

Arnd <><

--- a/include/linux/loop.h
+++ b/include/linux/loop.h
@@ -63,7 +63,7 @@ struct loop_device {
struct task_struct *lo_thread;
wait_queue_head_t lo_event;

- request_queue_t *lo_queue;
+ struct request_queue *lo_queue;
struct gendisk *lo_disk;
struct list_head lo_list;
};
-
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