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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 label. Server will try to set that label on newly created file
atomically wherever possible. 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 .. option:: --socket-path=PATH
Listen on vhost-user UNIX domain socket at 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 announce_submounts Announce sub-mount points to the guest\n"
" -o posix_acl/no_posix_acl Enable/Disable posix_acl. (default: disabled)\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 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"
); );
} }