On Sun, Apr 24 2005, [EMAIL PROTECTED] wrote:
> @@ -1099,6 +1104,7 @@ static int prepare_request(struct reques
>       if((rq_data_dir(req) == WRITE) && !dev->openflags.w){
>               printk("Write attempted on readonly ubd device %s\n", 
>                      disk->disk_name);
> +             WARN_ON(1); /* This should be impossible now */
>               end_request(req, 0);
>               return(1);
>       }

I don't think that's a sound change. The WARN_ON() is strictly only
really useful for when you need the stack trace for something
interesting. As the io happens async, you will get a boring trace that
doesn't contain any valuable information.

-- 
Jens Axboe



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