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From 7f2e1f79a3addb242c3018c7a80e2e57589119f0 Mon Sep 17 00:00:00 2001
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From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
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Date: Mon, 27 Jan 2020 19:01:08 +0100
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Subject: [PATCH 037/116] virtiofsd: make -f (foreground) the default
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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RH-Author: Dr. David Alan Gilbert <dgilbert@redhat.com>
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Message-id: <20200127190227.40942-34-dgilbert@redhat.com>
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Patchwork-id: 93489
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O-Subject: [RHEL-AV-8.2 qemu-kvm PATCH 033/112] virtiofsd: make -f (foreground) the default
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Bugzilla: 1694164
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RH-Acked-by: Philippe Mathieu-Daudé <philmd@redhat.com>
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RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
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RH-Acked-by: Sergio Lopez Pascual <slp@redhat.com>
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From: Stefan Hajnoczi <stefanha@redhat.com>
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According to vhost-user.rst "Backend program conventions", backend
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programs should run in the foregound by default. Follow the
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conventions so libvirt and other management tools can control virtiofsd
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in a standard way.
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Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
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Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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(cherry picked from commit 0bbd31753714ac2899efda0f0de31e353e965789)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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tools/virtiofsd/helper.c | 8 ++++++++
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1 file changed, 8 insertions(+)
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diff --git a/tools/virtiofsd/helper.c b/tools/virtiofsd/helper.c
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index 676032e..a3645fc 100644
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--- a/tools/virtiofsd/helper.c
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+++ b/tools/virtiofsd/helper.c
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@@ -29,6 +29,11 @@
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{ \
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t, offsetof(struct fuse_cmdline_opts, p), 1 \
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}
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+#define FUSE_HELPER_OPT_VALUE(t, p, v) \
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+ { \
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+ t, offsetof(struct fuse_cmdline_opts, p), v \
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+ }
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+
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static const struct fuse_opt fuse_helper_opts[] = {
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FUSE_HELPER_OPT("-h", show_help),
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@@ -42,6 +47,7 @@ static const struct fuse_opt fuse_helper_opts[] = {
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FUSE_OPT_KEY("-d", FUSE_OPT_KEY_KEEP),
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FUSE_OPT_KEY("debug", FUSE_OPT_KEY_KEEP),
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FUSE_HELPER_OPT("-f", foreground),
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+ FUSE_HELPER_OPT_VALUE("--daemonize", foreground, 0),
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FUSE_HELPER_OPT("fsname=", nodefault_subtype),
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FUSE_OPT_KEY("fsname=", FUSE_OPT_KEY_KEEP),
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FUSE_HELPER_OPT("subtype=", nodefault_subtype),
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@@ -131,6 +137,7 @@ void fuse_cmdline_help(void)
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" -V --version print version\n"
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" -d -o debug enable debug output (implies -f)\n"
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" -f foreground operation\n"
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+ " --daemonize run in background\n"
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" -o max_idle_threads the maximum number of idle worker "
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"threads\n"
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" allowed (default: 10)\n");
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@@ -158,6 +165,7 @@ int fuse_parse_cmdline(struct fuse_args *args, struct fuse_cmdline_opts *opts)
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memset(opts, 0, sizeof(struct fuse_cmdline_opts));
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opts->max_idle_threads = 10;
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+ opts->foreground = 1;
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if (fuse_opt_parse(args, opts, fuse_helper_opts, fuse_helper_opt_proc) ==
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-1) {
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--
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1.8.3.1
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