Re: [PATCH 1/1] block: rework flush sequencing for blk-mq

[Christoph Hellwig]

On Wed, Mar 12, 2014 at 11:50:13AM +0100, Hannes Reinecke wrote:
> >From the device-mapper side we have these patches which are not
> included upstream:

Another one on the dm side that seems useful is:

dm-emulate-blkrrpart-ioctl:
  Partitions on device-mapper devices are managed by kpartx (if at
  all). So if we were just to send out a 'change' event if someone
  called BLKRRPART on these devices, kpartx will be triggered via udev
  and can manage the partitions accordingly.

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