tools/rados: make rados get/put/append command help txt clearer

Fixes: http://tracker.ceph.com/issues/22958
Signed-off-by: lvshuhua <lvshuhua@cmss.chinamobile.com>

diff --git a/src/tools/rados/rados.cc b/src/tools/rados/rados.cc
index d9863f7b77e5ad84b3227846ba1a6cc70a36b1ed..3c4512bf550d9b1bf81f5afa6f3e90cfc681191b 100644 (file)
--- a/src/tools/rados/rados.cc
+++ b/src/tools/rados/rados.cc
@@ -82,10 +82,10 @@ void usage(ostream& out)
 "   rmsnap <snap-name>               remove snap <snap-name>\n"
 "\n"
 "OBJECT COMMANDS\n"
-"   get <obj-name> [outfile]         fetch object\n"
-"   put <obj-name> [infile] [--offset offset]\n"
+"   get <obj-name> <outfile>         fetch object\n"
+"   put <obj-name> <infile> [--offset offset]\n"
 "                                    write object with start offset (default:0)\n"
-"   append <obj-name> [infile]       append object\n"
+"   append <obj-name> <infile>       append object\n"
 "   truncate <obj-name> length       truncate object\n"
 "   create <obj-name>                create object\n"
 "   rm <obj-name> ...[--force-full]  [force no matter full or not]remove object(s)\n"
@@ -181,7 +181,6 @@ void usage(ostream& out)
 "   -s name\n"
 "   --snap name\n"
 "        select given snap name for (read) IO\n"
-"   -i infile\n"
 "   --create\n"
 "        create the pool or directory that was specified\n"
 "   -N namespace\n"