On Tue, Apr 09, 2013 at 09:01:39AM +0200, Jens Axboe wrote: > On Tue, Apr 09 2013, Dave Chinner wrote: > > On Thu, Apr 04, 2013 at 04:30:54PM -0400, Phillip Susi wrote: > > > > I have not tested it yet, but I am pretty sure it won't work. It > > > > looks like the patch changes the BLKRRPART path to go ahead and remove > > > > existing partitions when GENHD_FL_NO_PARTSCAN is set. loop doesn't > > > > issue the BLKRRPART ioctl when !LO_FLAGS_PARTSCAN so this won't help. > > > > I think loop needs to set GENHD_FL_NO_PARTSCAN and then issue the > > > > ioctl regardless of the LO_FLAGS_PARTSCAN flag to get the partitions > > > > to be removed. I will try to test tonight. > > > > > > After testing, my initial thoughts appeared to have been correct. I had > > > to modify the patch as follows. To test, simply do: > > > > > > truncate -s 10m img > > > losetup /dev/loop0 img > > > parted /dev/loop0 > > > mklabel msdos > > > mkpart primary ext2 1m 2m > > > quit > > > ls /dev/loop0* > > > > > > Note the /dev/loop0p1 node. Run losetup -d /dev/loop0 and see if it is > > > still there. > > > > Jens, can we get one of these fixes merged quickly? xfstests is > > unusable on any kernel more recent than 3.9-rc4 because of these > > problems.... > > Yep, did the revert yesterday and it's going out today.
Great, I didn't see an update in the latest -rc, so I wanted to make sure it hadn't fallen through he cracks.... Cheers, Dave. -- Dave Chinner da...@fromorbit.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
