virtiofsd has introduced killpriv_v2/no_killpriv_v2 for a while. Add
description of it to docs/helper.
Signed-off-by: Liu Yiding <liuyd.f...@fujitsu.com>
---
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..85398cce09 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 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"
);
}
--
2.31.1
