linux-kernel - [PATCH 0/2] xen/blkback: support delete-on-close block devices

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Date:   Thu,  1 Jun 2023 17:48:21 -0400
From:   Demi Marie Obenour <demi@...isiblethingslab.com>
To:     Roger Pau Monné <roger.pau@...rix.com>,
        Jens Axboe <axboe@...nel.dk>
Cc:     Demi Marie Obenour <demi@...isiblethingslab.com>,
        Marek Marczykowski-Górecki 
        <marmarek@...isiblethingslab.com>, xen-devel@...ts.xenproject.org,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 0/2] xen/blkback: support delete-on-close block devices

These two patches allow userspace to provide an expected diskseq of a
block device and discover when blkback has opened the device.  Together,
these features allow using blkback with delete-on-close block devices,
such as loop devices with autoclear set.

Demi Marie Obenour (2):
  xen-blkback: Implement diskseq checks
  xen-blkback: Inform userspace that device has been opened

 drivers/block/xen-blkback/xenbus.c | 147 ++++++++++++++++++++++++-----
 1 file changed, 124 insertions(+), 23 deletions(-)

-- 
Sincerely,
Demi Marie Obenour (she/her/hers)
Invisible Things Lab