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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