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virtiofsd: Add docs/helper for killpriv_v2/no_killpriv_v2 option

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virtiofsd has introduced killpriv_v2/no_killpriv_v2 for a while. Add
description of it to docs/helper.

Signed-off-by: Liu Yiding <liuyd.fnst@fujitsu.com>
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 <stefanha@redhat.com>
This commit is contained in:
Liu Yiding 2022-04-21 17:51:51 +08:00 committed by Stefan Hajnoczi
parent 096b778f14
commit d45c83328f
2 changed files with 8 additions and 0 deletions
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5
docs/tools/virtiofsd.rst
View File

@ -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.

3
tools/virtiofsd/helper.c
View File

@ -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"
);
}