On Thu, May 15, 2003 at 09:29:37AM +0200, Jens Axboe wrote:
> >
> > --- 2569+mjb1/drivers/dump/dump_blockdev.c.orig Wed May 14 13:23:36 2003
> > +++ 2569+mjb1/drivers/dump/dump_blockdev.c Thu May 15 09:26:12 2003
> > @@ -258,10 +258,19 @@
> > dump_block_silence(struct dump_dev *dev)
> > {
> > struct dump_blockdev *dump_bdev = DUMP_BDEV(dev);
> > + struct request_queue *q = bdev_get_queue(dump_bdev->bdev);
> > + int ret;
> > +
> > + /* If we can't get request queue lock, refuse to take the dump */
> > + if (!spin_trylock(q->queue_lock))
> > + return -EBUSY;
> > +
> > + ret = elv_queue_empty(q);
> > + spin_unlock(q->queue_lock);
> >
> > /* For now we assume we have the device to ourselves */
> > /* Just a quick sanity check */
> > - if (!blk_queue_empty(bdev_get_queue(dump_bdev->bdev))) {
> > + if (!ret) {
> > /* i/o in flight - safer to quit */
> > return -EBUSY;
> > }
>
> Are interrupts already disabled at this point? If yes, then it looks
> fine.
>
Yes, interrupts are disabled at this point.
Martin, Could you please take this in, while I push this change to lkcd cvs.
Regards,
Bharata.
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This archive was generated by hypermail 2b29 : Thu May 15 2003 - 22:00:56 EST