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From b1e9937d355d28809635967f3ada98c2ecf8ae7f Mon Sep 17 00:00:00 2001
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From: Kevin Wolf <kwolf@redhat.com>
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Date: Thu, 23 Oct 2014 10:10:08 +0200
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Subject: [PATCH 03/19] blockdev: Fail blockdev-add with encrypted images
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Message-id: <1414059011-15516-6-git-send-email-kwolf@redhat.com>
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Patchwork-id: 61839
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O-Subject: [RHEL-7.1 qemu-kvm PATCH v2 5/8] blockdev: Fail blockdev-add with encrypted images
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Bugzilla: 1088176
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RH-Acked-by: Jeffrey Cody <jcody@redhat.com>
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RH-Acked-by: Markus Armbruster <armbru@redhat.com>
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RH-Acked-by: Max Reitz <mreitz@redhat.com>
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Encrypted images need a password before they can be used, and we don't
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want blockdev-add to create BDSes that aren't fully initialised. So for
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now simply forbid encrypted images; we can come back to it later if we
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need the functionality.
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Reviewed-by: Eric Blake <eblake@redhat.com>
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(cherry picked from commit 8ae8e904fcba484ff7c3f8f31339b56ebd88fbad)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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Conflicts:
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blockdev.c
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Trivial bonus bugfix so that the backported test 087 won't fail.
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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---
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blockdev.c | 9 ++++++++-
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1 file changed, 8 insertions(+), 1 deletion(-)
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diff --git a/blockdev.c b/blockdev.c
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index 7d4a53f..a2d5f02 100644
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--- a/blockdev.c
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+++ b/blockdev.c
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@@ -1793,6 +1793,7 @@ void qmp___com_redhat_change_backing_file(const char *device,
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void qmp_blockdev_add(BlockdevOptions *options, Error **errp)
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{
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QmpOutputVisitor *ov = qmp_output_visitor_new();
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+ DriveInfo *dinfo;
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QObject *obj;
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QDict *qdict;
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Error *local_err = NULL;
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@@ -1828,12 +1829,18 @@ void qmp_blockdev_add(BlockdevOptions *options, Error **errp)
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qdict_flatten(qdict);
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- blockdev_init(qdict, IF_NONE, &local_err);
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+ dinfo = blockdev_init(qdict, IF_NONE, &local_err);
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if (error_is_set(&local_err)) {
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error_propagate(errp, local_err);
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goto fail;
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}
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+ if (bdrv_key_required(dinfo->bdrv)) {
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+ drive_uninit(dinfo);
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+ error_setg(errp, "blockdev-add doesn't support encrypted devices");
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+ goto fail;
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+ }
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+
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fail:
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qmp_output_visitor_cleanup(ov);
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}
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--
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1.8.3.1
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