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From 5c520d5572b0c7974bc71e89d5d5a77d9d0d9284 Mon Sep 17 00:00:00 2001
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From: John Snow <jsnow@redhat.com>
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Date: Wed, 10 Oct 2018 20:30:15 +0100
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Subject: [PATCH 3/4] block/rbd: add deprecation documentation for filename
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keyvalue pairs
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RH-Author: John Snow <jsnow@redhat.com>
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Message-id: <20181010203015.11719-5-jsnow@redhat.com>
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Patchwork-id: 82625
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O-Subject: [RHEL8/rhel qemu-kvm PATCH 4/4] block/rbd: add deprecation documentation for filename keyvalue pairs
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Bugzilla: 1635585
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RH-Acked-by: Markus Armbruster <armbru@redhat.com>
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RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
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RH-Acked-by: Thomas Huth <thuth@redhat.com>
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From: Jeff Cody <jcody@redhat.com>
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Signed-off-by: Jeff Cody <jcody@redhat.com>
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Message-id: 647f5b5ab7efd8bf567a504c832b1d2d6f719b23.1536704901.git.jcody@redhat.com
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Signed-off-by: Jeff Cody <jcody@redhat.com>
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(cherry picked from commit 3bebd37e04f972775b1ece1bdda95451bc9fb14c)
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Signed-off-by: John Snow <jsnow@redhat.com>
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Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
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Conflicts:
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qemu-deprecated.texi: not yet factored out as of 2.12.0;
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docs added to qemu-doc.texi instead.
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Signed-off-by: John Snow <jsnow@redhat.com>
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---
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qemu-doc.texi | 15 +++++++++++++++
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1 file changed, 15 insertions(+)
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diff --git a/qemu-doc.texi b/qemu-doc.texi
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index 985e0f2..0013170 100644
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--- a/qemu-doc.texi
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+++ b/qemu-doc.texi
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@@ -2982,6 +2982,21 @@ The ``xlnx-zcu102'' machine has the same features and capabilites in QEMU.
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In order to prevent QEMU from automatically opening an image's backing
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chain, use ``"backing": null'' instead.
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+@subsubsection rbd keyvalue pair encoded filenames: "" (since 3.1.0)
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+
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+Options for ``rbd'' should be specified according to its runtime options,
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+like other block drivers. Legacy parsing of keyvalue pair encoded
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+filenames is useful to open images with the old format for backing files;
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+These image files should be updated to use the current format.
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+
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+Example of legacy encoding:
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+
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+@code{json:@{"file.driver":"rbd", "file.filename":"rbd:rbd/name"@}}
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+
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+The above, converted to the current supported format:
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+
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+@code{json:@{"file.driver":"rbd", "file.pool":"rbd", "file.image":"name"@}}
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+
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@node License
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@appendix License
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--
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1.8.3.1
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