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From b600b0cb2f849e3f7761a9470b1ce05a1ca2548f Mon Sep 17 00:00:00 2001
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From: Kevin Wolf <kwolf@redhat.com>
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Date: Tue, 26 Jun 2018 09:47:48 +0200
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Subject: [PATCH 080/268] nfs: Remove processed options from QDict
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RH-Author: Kevin Wolf <kwolf@redhat.com>
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Message-id: <20180626094856.6924-6-kwolf@redhat.com>
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Patchwork-id: 81058
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O-Subject: [RHV-7.6 qemu-kvm-rhev PATCH v2 05/73] nfs: Remove processed options from QDict
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Bugzilla: 1513543
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RH-Acked-by: Jeffrey Cody <jcody@redhat.com>
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RH-Acked-by: Max Reitz <mreitz@redhat.com>
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RH-Acked-by: Fam Zheng <famz@redhat.com>
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Commit c22a03454 QAPIfied option parsing in the NFS block driver, but
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forgot to remove all the options we processed. Therefore, we get an
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error in bdrv_open_inherit(), which thinks the remaining options are
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invalid. Trying to open an NFS image will result in an error like this:
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Block protocol 'nfs' doesn't support the option 'server.host'
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Remove all options from the QDict to make the NFS driver work again.
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Cc: qemu-stable@nongnu.org
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Message-id: 20180516160816.26259-1-kwolf@redhat.com
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Reviewed-by: Eric Blake <eblake@redhat.com>
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Reviewed-by: Jeff Cody <jcody@redhat.com>
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Signed-off-by: Jeff Cody <jcody@redhat.com>
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(cherry picked from commit c82be42cc803b36fd7aed5dceec68312c7056fd5)
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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block/nfs.c | 7 +++++++
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1 file changed, 7 insertions(+)
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diff --git a/block/nfs.c b/block/nfs.c
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index 3059ef2..743ca04 100644
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--- a/block/nfs.c
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+++ b/block/nfs.c
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@@ -557,6 +557,7 @@ static BlockdevOptionsNfs *nfs_options_qdict_to_qapi(QDict *options,
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{
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BlockdevOptionsNfs *opts = NULL;
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Visitor *v;
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+ const QDictEntry *e;
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Error *local_err = NULL;
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v = qobject_input_visitor_new_flat_confused(options, errp);
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@@ -572,6 +573,12 @@ static BlockdevOptionsNfs *nfs_options_qdict_to_qapi(QDict *options,
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return NULL;
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}
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+ /* Remove the processed options from the QDict (the visitor processes
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+ * _all_ options in the QDict) */
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+ while ((e = qdict_first(options))) {
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+ qdict_del(options, e->key);
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+ }
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+
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return opts;
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}
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--
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1.8.3.1
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