lkml.org 
[lkml]   [2007]   [Jan]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC PATCH 3/3] blk_end_request: caller change
On Wed, Jan 10 2007, Kiyoshi Ueda wrote:
> +static int end_request_callback(void *arg)
> +{
> + struct request *req = (struct request *)arg;
> +
> + add_disk_randomness(req->rq_disk);
> + blkdev_dequeue_request(req);
> +
> + return 0;
> +}

This is bad, don't pass void * around.

> +static int cdrom_newpc_intr_dma_callback(void *arg)
> +{
> + void **argv = (void **)arg;
> + struct request *rq = (struct request *)*argv++;
> + ide_drive_t *drive = (ide_drive_t *)argv++;
> + spinlock_t *ide_lock = (spinlock_t *)argv;
> +
> + rq->data_len = 0;
> +
> + cdrom_newpc_intr_callback_common(rq, drive, ide_lock);
> +
> + return 0;
> +}

And this is why, down right horrible. The callback should be correctly
typed, pass down a request pointer ALWAYS.

--
Jens Axboe

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-01-11 10:23    [W:0.042 / U:1.588 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site