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Re: Persistent Reservation API

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On Tue, Aug 04 2015 at  3:11am -0400,
Christoph Hellwig <hch@lst.de> wrote:

> This series adds support for a simplified persistent reservation API
> to the block layer.  The intent is that both in-kernel and userspace
> consumers can use the API instead of having to hand craft SCSI or NVMe
> command through the various pass through interfaces.  It also adds
> DM support as getting reservations through dm-multipath is a major
> pain with the current scheme.

The DM changes need to go through linux-dm.git.  Once the block and SCSI
bits land I'll rebase accordingly.  That cross-maintainer logisitics
aside, I'll reply with feedback on the DM patches.
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Thread

Persistent Reservation API Christoph Hellwig <hch@lst.de> - 2015-08-04 09:20 +0200
  [PATCH 1/6] block: cleanup blkdev_ioctl Christoph Hellwig <hch@lst.de> - 2015-08-04 09:20 +0200
    Re: [PATCH 1/6] block: cleanup blkdev_ioctl "Martin K. Petersen" <martin.petersen@oracle.com> - 2015-08-12 02:40 +0200
  [PATCH 6/6] dm: add support for passing through persistent reservations Christoph Hellwig <hch@lst.de> - 2015-08-04 09:20 +0200
  [PATCH 3/6] sd: implement the persisten reservation API Christoph Hellwig <hch@lst.de> - 2015-08-04 09:20 +0200
    Re: [PATCH 3/6] sd: implement the persisten reservation API "Martin K. Petersen" <martin.petersen@oracle.com> - 2015-08-12 03:00 +0200
  [PATCH 2/6] block: add a API for persistent reservations Christoph Hellwig <hch@lst.de> - 2015-08-04 09:20 +0200
    Re: [PATCH 2/6] block: add a API for persistent reservations "Martin K. Petersen" <martin.petersen@oracle.com> - 2015-08-12 02:50 +0200
  [PATCH 5/6] dm: split out a helper to find the ioctl target Christoph Hellwig <hch@lst.de> - 2015-08-04 09:20 +0200
    Re: [PATCH 5/6] dm: split out a helper to find the ioctl target Mike Snitzer <snitzer@redhat.com> - 2015-08-04 20:10 +0200
      Re: [PATCH 5/6] dm: split out a helper to find the ioctl target Christoph Hellwig <hch@lst.de> - 2015-08-06 15:50 +0200
  [PATCH 4/6] dm: refactor ioctl handling Christoph Hellwig <hch@lst.de> - 2015-08-04 09:20 +0200
    Re: [PATCH 4/6] dm: refactor ioctl handling Mike Snitzer <snitzer@redhat.com> - 2015-08-04 20:00 +0200
      Re: [PATCH 4/6] dm: refactor ioctl handling Christoph Hellwig <hch@lst.de> - 2015-08-06 15:50 +0200
  Re: Persistent Reservation API Mike Snitzer <snitzer@redhat.com> - 2015-08-04 20:00 +0200
    Re: Persistent Reservation API Christoph Hellwig <hch@lst.de> - 2015-08-06 15:50 +0200
  Re: Persistent Reservation API Keith Busch <keith.busch@intel.com> - 2015-08-04 20:10 +0200
    Re: Persistent Reservation API Christoph Hellwig <hch@lst.de> - 2015-08-06 15:50 +0200

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