From: "Dr. David Alan Gilbert" Date: Mon, 27 Jan 2020 19:00:54 +0000 Subject: [PATCH] virtiofsd: Add options for virtio 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 Reviewed-by: Misono Tomohiro Signed-off-by: Dr. David Alan Gilbert (cherry picked from commit 205de006aab8dcbe546a7e3a51d295c2d05e654b) --- 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 bae06992e0..26b1a7da88 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 8552cfb8af..17e8718283 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 9333691525..676032e71f 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,