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qemu-storage-daemon: Add vhost-user-blk help

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Add missing vhost-user-blk help:

  $ qemu-storage-daemon -h
  ...
    --export [type=]vhost-user-blk,id=<id>,node-name=<node-name>,
             addr.type=unix,addr.path=<socket-path>[,writable=on|off]
             [,logical-block-size=<block-size>][,num-queues=<num-queues>]
                           export the specified block node as a
                           vhosts-user-blk device over UNIX domain socket
    --export [type=]vhost-user-blk,id=<id>,node-name=<node-name>,
             fd,addr.str=<fd>[,writable=on|off]
             [,logical-block-size=<block-size>][,num-queues=<num-queues>]
                           export the specified block node as a
                           vhosts-user-blk device over file descriptor
  ...

Fixes: 90fc91d50b ("convert vhost-user-blk server to block export API")
Reported-by: Qing Wang <qinwang@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220107105420.395011-3-f4bug@amsat.org>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Philippe Mathieu-Daudé 2022-01-07 11:54:19 +01:00 committed by Kevin Wolf
parent 9bd11f9638
commit c8cbc95242
1 changed files with 13 additions and 0 deletions
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13
storage-daemon/qemu-storage-daemon.c
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@ -104,6 +104,19 @@ static void help(void)
" export the specified block node over FUSE\n"
"\n"
#endif /* CONFIG_FUSE */
#ifdef CONFIG_VHOST_USER_BLK_SERVER
" --export [type=]vhost-user-blk,id=<id>,node-name=<node-name>,\n"
" addr.type=unix,addr.path=<socket-path>[,writable=on|off]\n"
" [,logical-block-size=<block-size>][,num-queues=<num-queues>]\n"
" export the specified block node as a\n"
" vhost-user-blk device over UNIX domain socket\n"
" --export [type=]vhost-user-blk,id=<id>,node-name=<node-name>,\n"
" fd,addr.str=<fd>[,writable=on|off]\n"
" [,logical-block-size=<block-size>][,num-queues=<num-queues>]\n"
" export the specified block node as a\n"
" vhost-user-blk device over file descriptor\n"
"\n"
#endif /* CONFIG_VHOST_USER_BLK_SERVER */
" --monitor [chardev=]name[,mode=control][,pretty[=on|off]]\n"
" configure a QMP monitor\n"
"\n"