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[Qemu-block] [PATCH 0/2] scsi: add block job opblockers for scsi-block
From: |
Paolo Bonzini |
Subject: |
[Qemu-block] [PATCH 0/2] scsi: add block job opblockers for scsi-block |
Date: |
Wed, 7 Feb 2018 17:36:20 +0100 |
SCSI passthrough bypasses the block layer and issues SCSI commands
directly to the disk. This breaks write notifiers and dirty bitmaps,
so that scsi-block devices cannot act as a mirror or backup source
(and commit too, even though that shouldn't be possible at all in the
lack of a backing file). This series adds op blockers for that purpose.
There is currently a blk_op_unblock but no blk_op_block, so patch 2
adds it.
Paolo
Paolo Bonzini (2):
scsi: add unrealize method for SCSI devices
scsi: add block job opblockers for scsi-block
block/block-backend.c | 9 ++++++
hw/scsi/scsi-bus.c | 4 +++
hw/scsi/scsi-disk.c | 62 ++++++++++++++++++++++++++++++++++++++++++
include/hw/scsi/scsi.h | 1 +
include/sysemu/block-backend.h | 1 +
5 files changed, 77 insertions(+)
--
2.14.3
- [Qemu-block] [PATCH 0/2] scsi: add block job opblockers for scsi-block,
Paolo Bonzini <=
- [Qemu-block] [PATCH 1/2] scsi: add unrealize method for SCSI devices, Paolo Bonzini, 2018/02/07
- [Qemu-block] [PATCH 2/2] scsi: add block job opblockers for scsi-block, Paolo Bonzini, 2018/02/07
- Re: [Qemu-block] [Qemu-devel] [PATCH 2/2] scsi: add block job opblockers for scsi-block, Fam Zheng, 2018/02/07
- Re: [Qemu-block] [Qemu-devel] [PATCH 2/2] scsi: add block job opblockers for scsi-block, Paolo Bonzini, 2018/02/08
- Re: [Qemu-block] [Qemu-devel] [PATCH 2/2] scsi: add block job opblockers for scsi-block, Kevin Wolf, 2018/02/12
- Re: [Qemu-block] [Qemu-devel] [PATCH 2/2] scsi: add block job opblockers for scsi-block, Paolo Bonzini, 2018/02/12
- Re: [Qemu-block] [Qemu-devel] [PATCH 2/2] scsi: add block job opblockers for scsi-block, Kevin Wolf, 2018/02/12
- Re: [Qemu-block] [Qemu-devel] [PATCH 2/2] scsi: add block job opblockers for scsi-block, Paolo Bonzini, 2018/02/12
- Re: [Qemu-block] [Qemu-devel] [PATCH 2/2] scsi: add block job opblockers for scsi-block, Kevin Wolf, 2018/02/12