From: Kevin Wolf <kwolf@redhat.com>
To: Alberto Garcia <berto@igalia.com>
Cc: qemu-devel@nongnu.org, qemu-block@nongnu.org,
Max Reitz <mreitz@redhat.com>, Eric Blake <eblake@redhat.com>,
Stefan Hajnoczi <stefanha@redhat.com>,
jcody@redhat.com
Subject: Re: [Qemu-devel] [PATCH v9 06/11] block: Support streaming to an intermediate layer
Date: Fri, 29 Apr 2016 17:07:58 +0200 [thread overview]
Message-ID: <20160429150758.GK4350@noname.redhat.com> (raw)
In-Reply-To: <3b38569c5caeb92ae2fd6b3c6c7272bcce2dcf85.1459776815.git.berto@igalia.com>
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 <berto@igalia.com>
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
next prev parent reply other threads:[~2016-04-29 15:08 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-04 13:43 [Qemu-devel] [PATCH for-2.7 v9 00/11] Support streaming to an intermediate layer Alberto Garcia
2016-04-04 13:43 ` [Qemu-devel] [PATCH v9 01/11] block: keep a list of block jobs Alberto Garcia
2016-04-27 11:59 ` Max Reitz
2016-04-29 14:22 ` Kevin Wolf
2016-04-04 13:43 ` [Qemu-devel] [PATCH v9 02/11] block: use the block job list in bdrv_drain_all() Alberto Garcia
2016-04-27 12:04 ` Max Reitz
2016-04-27 12:08 ` Alberto Garcia
2016-04-29 14:25 ` Kevin Wolf
2016-04-04 13:43 ` [Qemu-devel] [PATCH v9 03/11] block: use the block job list in qmp_query_block_jobs() Alberto Garcia
2016-04-27 12:09 ` Max Reitz
2016-04-29 14:32 ` Kevin Wolf
2016-05-02 13:06 ` Alberto Garcia
2016-04-04 13:43 ` [Qemu-devel] [PATCH v9 04/11] block: use the block job list in bdrv_close() Alberto Garcia
2016-04-27 12:14 ` Max Reitz
2016-04-29 14:38 ` Kevin Wolf
2016-05-02 13:42 ` Alberto Garcia
2016-04-04 13:43 ` [Qemu-devel] [PATCH v9 05/11] block: allow block jobs in any arbitrary node Alberto Garcia
2016-04-27 12:30 ` Max Reitz
2016-04-27 14:59 ` Alberto Garcia
2016-04-29 15:00 ` Kevin Wolf
2016-05-06 10:00 ` Alberto Garcia
2016-05-06 17:54 ` John Snow
2016-05-09 7:06 ` Kevin Wolf
2016-05-09 11:59 ` Alberto Garcia
2016-04-29 15:25 ` Eric Blake
2016-04-04 13:43 ` [Qemu-devel] [PATCH v9 06/11] block: Support streaming to an intermediate layer Alberto Garcia
2016-04-27 13:04 ` Max Reitz
2016-04-28 9:23 ` Alberto Garcia
2016-04-29 15:07 ` Kevin Wolf [this message]
2016-04-04 13:43 ` [Qemu-devel] [PATCH v9 07/11] block: Add QMP support for " Alberto Garcia
2016-04-27 13:34 ` Max Reitz
2016-04-28 12:20 ` Alberto Garcia
2016-04-29 15:18 ` Kevin Wolf
2016-05-03 12:50 ` Alberto Garcia
2016-05-03 13:23 ` Kevin Wolf
2016-05-03 13:33 ` Alberto Garcia
2016-05-03 13:48 ` Kevin Wolf
2016-05-03 15:09 ` Alberto Garcia
[not found] ` <w517fezo0al.fsf@maestria.local.igalia.com>
2016-05-12 15:04 ` Kevin Wolf
[not found] ` <w514ma3nwbl.fsf@maestria.local.igalia.com>
2016-05-12 15:28 ` Kevin Wolf
2016-05-17 14:26 ` Alberto Garcia
2016-05-17 14:47 ` Kevin Wolf
2016-05-17 14:54 ` Alberto Garcia
2016-04-29 15:11 ` Kevin Wolf
2016-05-03 12:53 ` Alberto Garcia
2016-05-03 13:18 ` Kevin Wolf
2016-05-03 13:29 ` Alberto Garcia
2016-04-29 15:29 ` Eric Blake
2016-04-04 13:43 ` [Qemu-devel] [PATCH v9 08/11] docs: Document how to stream " Alberto Garcia
2016-04-04 13:43 ` [Qemu-devel] [PATCH v9 09/11] qemu-iotests: test streaming " Alberto Garcia
2016-04-04 13:44 ` [Qemu-devel] [PATCH v9 10/11] qemu-iotests: test overlapping block-stream operations Alberto Garcia
2016-04-27 13:48 ` Max Reitz
2016-04-27 15:02 ` Alberto Garcia
2016-04-04 13:44 ` [Qemu-devel] [PATCH v9 11/11] qemu-iotests: test non-overlapping " Alberto Garcia
2016-04-27 13:50 ` Max Reitz
2016-04-08 10:00 ` [Qemu-devel] [PATCH for-2.7 v9 00/11] Support streaming to an intermediate layer Stefan Hajnoczi
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