Re: [PATCH 06/12] writeback: separate the flushing state/task fromthe bdi

From: Jan Kara
Date: Mon May 25 2009 - 06:13:37 EST


On Mon 25-05-09 09:34:41, Jens Axboe wrote:
> Add a struct bdi_writeback for tracking and handling dirty IO. This
> is in preparation for adding > 1 flusher task per bdi.
>
> Signed-off-by: Jens Axboe <jens.axboe@xxxxxxxxxx>
...
> static int bdi_start_fn(void *ptr)
> {
> - struct backing_dev_info *bdi = ptr;
> + struct bdi_writeback *wb = ptr;
> + struct backing_dev_info *bdi = wb->bdi;
> struct task_struct *tsk = current;
> -
> - /*
> - * Add us to the active bdi_list
> - */
> - mutex_lock(&bdi_lock);
> - list_add(&bdi->bdi_list, &bdi_list);
> - mutex_unlock(&bdi_lock);
I'm probably missing something but I cannot find where the bdi is added
to the bdi_list after this patch...

Honza
--
Jan Kara <jack@xxxxxxx>
SUSE Labs, CR
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/