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Re: [Qemu-block] [PATCH v9 06/11] block: Support streaming to an interme
From: |
Kevin Wolf |
Subject: |
Re: [Qemu-block] [PATCH v9 06/11] block: Support streaming to an intermediate layer |
Date: |
Fri, 29 Apr 2016 17:07:58 +0200 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
Am 04.04.2016 um 15:43 hat Alberto Garcia geschrieben:
> This makes sure that the image we are steaming into is open in
s/steaming/streaming/
> read-write mode during the operation.
>
> The block job is created on the destination image, but operation
> blockers are also set on the active layer. We do this in order to
> prevent other block jobs from running in parallel in the same chain.
> See here for details on why that is currently not supported:
>
> [Qemu-block] RFC: Status of the intermediate block streaming work
> https://lists.gnu.org/archive/html/qemu-block/2015-12/msg00180.html
>
> Finally, this also unblocks the stream operation in backing files.
>
> Signed-off-by: Alberto Garcia <address@hidden>
Would be great to have the new op blockers already, because having to
know the active layer before streaming can be started is certainly not
nice.
Kevin
- [Qemu-block] [PATCH for-2.7 v9 00/11] Support streaming to an intermediate layer, Alberto Garcia, 2016/04/04
- [Qemu-block] [PATCH v9 04/11] block: use the block job list in bdrv_close(), Alberto Garcia, 2016/04/04
- [Qemu-block] [PATCH v9 06/11] block: Support streaming to an intermediate layer, Alberto Garcia, 2016/04/04
- [Qemu-block] [PATCH v9 09/11] qemu-iotests: test streaming to an intermediate layer, Alberto Garcia, 2016/04/04
- [Qemu-block] [PATCH v9 01/11] block: keep a list of block jobs, Alberto Garcia, 2016/04/04
- [Qemu-block] [PATCH v9 10/11] qemu-iotests: test overlapping block-stream operations, Alberto Garcia, 2016/04/04
- [Qemu-block] [PATCH v9 03/11] block: use the block job list in qmp_query_block_jobs(), Alberto Garcia, 2016/04/04