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qemu-storage-daemon: Only display FUSE help when FUSE is built-in

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When configuring QEMU with --disable-fuse, the qemu-storage-daemon
still reports FUSE command line options in its help:

  $ qemu-storage-daemon -h
  Usage: qemu-storage-daemon [options]
  QEMU storage daemon

    --export [type=]fuse,id=<id>,node-name=<node-name>,mountpoint=<file>
             [,growable=on|off][,writable=on|off]
                           export the specified block node over FUSE

Remove this help message when FUSE is disabled, to avoid:

  $ qemu-storage-daemon --export fuse
  qemu-storage-daemon: --export fuse: Invalid parameter 'fuse'

Reported-by: Qing Wang <qinwang@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210816180442.2000642-1-philmd@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Philippe Mathieu-Daudé 2021-08-16 20:04:42 +02:00 committed by Kevin Wolf
parent a6297e1ade
commit d1bbd965bd
1 changed files with 2 additions and 0 deletions
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2
storage-daemon/qemu-storage-daemon.c
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@ -98,10 +98,12 @@ static void help(void)
" export the specified block node over NBD\n"
" (requires --nbd-server)\n"
"\n"
#ifdef CONFIG_FUSE
" --export [type=]fuse,id=<id>,node-name=<node-name>,mountpoint=<file>\n"
" [,growable=on|off][,writable=on|off]\n"
" export the specified block node over FUSE\n"
"\n"
#endif /* CONFIG_FUSE */
" --monitor [chardev=]name[,mode=control][,pretty[=on|off]]\n"
" configure a QMP monitor\n"
"\n"