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From 9c1bbe327cf8f88ffc78eed0fce8cdd6f3f006ef Mon Sep 17 00:00:00 2001
From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Date: Mon, 27 Jan 2020 19:00:54 +0100
Subject: [PATCH 023/116] virtiofsd: Add options for virtio
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-id: <20200127190227.40942-20-dgilbert@redhat.com>
Patchwork-id: 93473
O-Subject: [RHEL-AV-8.2 qemu-kvm PATCH 019/112] virtiofsd: Add options for virtio
Bugzilla: 1694164
RH-Acked-by: Philippe Mathieu-Daudé <philmd@redhat.com>
RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
RH-Acked-by: Sergio Lopez Pascual <slp@redhat.com>
From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Add options to specify parameters for virtio-fs paths, i.e.
./virtiofsd -o vhost_user_socket=/tmp/vhostqemu
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Misono Tomohiro <misono.tomohiro@jp.fujitsu.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
(cherry picked from commit 205de006aab8dcbe546a7e3a51d295c2d05e654b)
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
tools/virtiofsd/fuse_i.h | 1 +
tools/virtiofsd/fuse_lowlevel.c | 11 ++++++++---
tools/virtiofsd/helper.c | 14 +++++++-------
3 files changed, 16 insertions(+), 10 deletions(-)
diff --git a/tools/virtiofsd/fuse_i.h b/tools/virtiofsd/fuse_i.h
index bae0699..26b1a7d 100644
--- a/tools/virtiofsd/fuse_i.h
+++ b/tools/virtiofsd/fuse_i.h
@@ -63,6 +63,7 @@ struct fuse_session {
struct fuse_notify_req notify_list;
size_t bufsize;
int error;
+ char *vu_socket_path;
};
struct fuse_chan {
diff --git a/tools/virtiofsd/fuse_lowlevel.c b/tools/virtiofsd/fuse_lowlevel.c
index 8552cfb..17e8718 100644
--- a/tools/virtiofsd/fuse_lowlevel.c
+++ b/tools/virtiofsd/fuse_lowlevel.c
@@ -2115,8 +2115,11 @@ reply_err:
}
static const struct fuse_opt fuse_ll_opts[] = {
- LL_OPTION("debug", debug, 1), LL_OPTION("-d", debug, 1),
- LL_OPTION("--debug", debug, 1), LL_OPTION("allow_root", deny_others, 1),
+ LL_OPTION("debug", debug, 1),
+ LL_OPTION("-d", debug, 1),
+ LL_OPTION("--debug", debug, 1),
+ LL_OPTION("allow_root", deny_others, 1),
+ LL_OPTION("--socket-path=%s", vu_socket_path, 0),
FUSE_OPT_END
};
@@ -2132,7 +2135,9 @@ void fuse_lowlevel_help(void)
* These are not all options, but the ones that are
* potentially of interest to an end-user
*/
- printf(" -o allow_root allow access by root\n");
+ printf(
+ " -o allow_root allow access by root\n"
+ " --socket-path=PATH path for the vhost-user socket\n");
}
void fuse_session_destroy(struct fuse_session *se)
diff --git a/tools/virtiofsd/helper.c b/tools/virtiofsd/helper.c
index 9333691..676032e 100644
--- a/tools/virtiofsd/helper.c
+++ b/tools/virtiofsd/helper.c
@@ -127,13 +127,13 @@ static const struct fuse_opt conn_info_opt_spec[] = {
void fuse_cmdline_help(void)
{
- printf(
- " -h --help print help\n"
- " -V --version print version\n"
- " -d -o debug enable debug output (implies -f)\n"
- " -f foreground operation\n"
- " -o max_idle_threads the maximum number of idle worker threads\n"
- " allowed (default: 10)\n");
+ printf(" -h --help print help\n"
+ " -V --version print version\n"
+ " -d -o debug enable debug output (implies -f)\n"
+ " -f foreground operation\n"
+ " -o max_idle_threads the maximum number of idle worker "
+ "threads\n"
+ " allowed (default: 10)\n");
}
static int fuse_helper_opt_proc(void *data, const char *arg, int key,
--
1.8.3.1