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[Qemu-devel] [PATCH 5/6] vl: Deprecate -virtfs_synth

From: Greg Kurz
Subject: [Qemu-devel] [PATCH 5/6] vl: Deprecate -virtfs_synth
Date: Tue, 07 May 2019 10:45:11 +0200
User-agent: StGit/unknown-version

The synth fsdriver never got used for anything else but the
QTest testcase for VirtIO 9P. And even there, QTest directly
uses -fsdev synth and -device virtio-9p-{pci|device}.

Signed-off-by: Greg Kurz <address@hidden>

This should be Cc'd to address@hidden according to MAINTAINERS,
but libvirt doesn't know about -virtfs_synth, so I choose to not spam :)
 qemu-deprecated.texi |    4 ++++
 qemu-options.hx      |    3 ++-
 vl.c                 |    5 +++++
 3 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/qemu-deprecated.texi b/qemu-deprecated.texi
index 842e71b11dcc..f0ff065e7dc1 100644
--- a/qemu-deprecated.texi
+++ b/qemu-deprecated.texi
@@ -72,6 +72,10 @@ backend settings instead of environment variables.  To ease 
migration to
 the new format, the ``-audiodev-help'' option can be used to convert
 the current values of the environment variables to ``-audiodev'' options.
address@hidden -virtfs_synth (since 4.1)
+The ``-virtfs_synth'' argument is now deprecated with no replacement.
 @section QEMU Machine Protocol (QMP) commands
 @subsection block-dirty-bitmap-add "autoload" parameter (since 2.12.0)
diff --git a/qemu-options.hx b/qemu-options.hx
index 51802cbb266a..9c5cc2e6bf70 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -1368,7 +1368,8 @@ DEF("virtfs_synth", 0, QEMU_OPTION_virtfs_synth,
 @item -virtfs_synth
 @findex -virtfs_synth
-Create synthetic file system image
+Create synthetic file system image. Note that this option is deprecated with
+no replacement.
 DEF("iscsi", HAS_ARG, QEMU_OPTION_iscsi,
diff --git a/vl.c b/vl.c
index d9fea0a11966..c010cb3e98df 100644
--- a/vl.c
+++ b/vl.c
@@ -3507,6 +3507,11 @@ int main(int argc, char **argv, char **envp)
                 QemuOpts *fsdev;
                 QemuOpts *device;
+                warn_report("The -virtfs_synth option is deprecated and will "
+                            "be removed soon. If the -virtfs_synth option is "
+                            "still useful for you, please send a mail to "
+                            "address@hidden with your usecase.");
                 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
                                          1, NULL);
                 if (!fsdev) {

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