From d45c83328feab2e4083991693160f0a417cfd9b0 Mon Sep 17 00:00:00 2001 From: Liu Yiding Date: Thu, 21 Apr 2022 17:51:51 +0800 Subject: [PATCH] virtiofsd: Add docs/helper for killpriv_v2/no_killpriv_v2 option virtiofsd has introduced killpriv_v2/no_killpriv_v2 for a while. Add description of it to docs/helper. Signed-off-by: Liu Yiding Message-Id: <20220421095151.2231099-1-liuyd.fnst@fujitsu.com> [Small documentation fixes: s/as client supports/as the client supports/ and s/. /. /. --Stefan] Signed-off-by: Stefan Hajnoczi --- docs/tools/virtiofsd.rst | 5 +++++ tools/virtiofsd/helper.c | 3 +++ 2 files changed, 8 insertions(+) diff --git a/docs/tools/virtiofsd.rst b/docs/tools/virtiofsd.rst index 0c0560203c..e457b13d56 100644 --- a/docs/tools/virtiofsd.rst +++ b/docs/tools/virtiofsd.rst @@ -111,6 +111,11 @@ Options label. Server will try to set that label on newly created file atomically wherever possible. + * killpriv_v2|no_killpriv_v2 - + Enable/disable ``FUSE_HANDLE_KILLPRIV_V2`` support. KILLPRIV_V2 is enabled + by default as long as the client supports it. Enabling this option helps + with performance in write path. + .. option:: --socket-path=PATH Listen on vhost-user UNIX domain socket at PATH. diff --git a/tools/virtiofsd/helper.c b/tools/virtiofsd/helper.c index e226fc590f..f8981e5bdf 100644 --- a/tools/virtiofsd/helper.c +++ b/tools/virtiofsd/helper.c @@ -188,6 +188,9 @@ void fuse_cmdline_help(void) " -o announce_submounts Announce sub-mount points to the guest\n" " -o posix_acl/no_posix_acl Enable/Disable posix_acl. (default: disabled)\n" " -o security_label/no_security_label Enable/Disable security label. (default: disabled)\n" + " -o killpriv_v2/no_killpriv_v2\n" + " Enable/Disable FUSE_HANDLE_KILLPRIV_V2.\n" + " (default: enabled as long as client supports it)\n" ); }