The '-e' and '-6' options to the 'create' & 'convert' commands were
"deprecated" in favour of the more generic '-o' option many years ago:

  commit eec77d9e712bd4157a4e1c0b5a9249d168add738
  Author: Jes Sorensen <Jes.Sorensen@redhat.com>
  Date:   Tue Dec 7 17:44:34 2010 +0100

    qemu-img: Deprecate obsolete -6 and -e options

Except this was never actually a deprecation, which would imply giving
the user a warning while the functionality continues to work for a
number of releases before eventual removal. Instead the options were
immediately turned into an error + exit. Given that the functionality
is already broken, there's no point in keeping these psuedo-deprecation
messages around any longer.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
---
 qemu-img.c | 20 ++------------------
 1 file changed, 2 insertions(+), 18 deletions(-)

diff --git a/qemu-img.c b/qemu-img.c
index 91ad6be..c5f00db 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -464,7 +464,7 @@ static int img_create(int argc, char **argv)
             {"object", required_argument, 0, OPTION_OBJECT},
             {0, 0, 0, 0}
         };
-        c = getopt_long(argc, argv, ":F:b:f:he6o:q",
+        c = getopt_long(argc, argv, ":F:b:f:ho:q",
                         long_options, NULL);
         if (c == -1) {
             break;
@@ -488,14 +488,6 @@ static int img_create(int argc, char **argv)
         case 'f':
             fmt = optarg;
             break;
-        case 'e':
-            error_report("option -e is deprecated, please use \'-o "
-                  "encryption\' instead!");
-            goto fail;
-        case '6':
-            error_report("option -6 is deprecated, please use \'-o "
-                  "compat6\' instead!");
-            goto fail;
         case 'o':
             if (!is_valid_option_list(optarg)) {
                 error_report("Invalid option list: %s", optarg);
@@ -1985,7 +1977,7 @@ static int img_convert(int argc, char **argv)
             {"target-image-opts", no_argument, 0, OPTION_TARGET_IMAGE_OPTS},
             {0, 0, 0, 0}
         };
-        c = getopt_long(argc, argv, ":hf:O:B:ce6o:s:l:S:pt:T:qnm:WU",
+        c = getopt_long(argc, argv, ":hf:O:B:co:s:l:S:pt:T:qnm:WU",
                         long_options, NULL);
         if (c == -1) {
             break;
@@ -2012,14 +2004,6 @@ static int img_convert(int argc, char **argv)
         case 'c':
             s.compressed = true;
             break;
-        case 'e':
-            error_report("option -e is deprecated, please use \'-o "
-                  "encryption\' instead!");
-            goto fail_getopt;
-        case '6':
-            error_report("option -6 is deprecated, please use \'-o "
-                  "compat6\' instead!");
-            goto fail_getopt;
         case 'o':
             if (!is_valid_option_list(optarg)) {
                 error_report("Invalid option list: %s", optarg);
-- 
2.9.4

Am 04.07.2017 um 14:30 hat Daniel P. Berrange geschrieben:
> The '-e' and '-6' options to the 'create' & 'convert' commands were
> "deprecated" in favour of the more generic '-o' option many years ago:
> 
>   commit eec77d9e712bd4157a4e1c0b5a9249d168add738
>   Author: Jes Sorensen <Jes.Sorensen@redhat.com>
>   Date:   Tue Dec 7 17:44:34 2010 +0100
> 
>     qemu-img: Deprecate obsolete -6 and -e options
> 
> Except this was never actually a deprecation, which would imply giving
> the user a warning while the functionality continues to work for a
> number of releases before eventual removal. Instead the options were
> immediately turned into an error + exit. Given that the functionality
> is already broken, there's no point in keeping these psuedo-deprecation
> messages around any longer.
> 
> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>

Thanks, I updated the patch in my queue with this version.

Kevin