diff options
| -rw-r--r-- | qemu-deprecated.texi | 7 | ||||
| -rw-r--r-- | qemu-img.c | 5 |
2 files changed, 12 insertions, 0 deletions
diff --git a/qemu-deprecated.texi b/qemu-deprecated.texi index fff07bb2a3..f7680c08e1 100644 --- a/qemu-deprecated.texi +++ b/qemu-deprecated.texi @@ -305,6 +305,13 @@ to just export the entire image and then mount only /dev/nbd0p1 than it is to reinvoke @command{qemu-nbd -c /dev/nbd0} limited to just a subset of the image. +@subsection qemu-img convert -n -o (since 4.2.0) + +All options specified in @option{-o} are image creation options, so +they have no effect when used with @option{-n} to skip image creation. +Silently ignored options can be confusing, so this combination of +options will be made an error in future versions. + @section Build system @subsection Python 2 support (since 4.1.0) diff --git a/qemu-img.c b/qemu-img.c index 79983772de..d9321f6418 100644 --- a/qemu-img.c +++ b/qemu-img.c @@ -2231,6 +2231,11 @@ static int img_convert(int argc, char **argv) goto fail_getopt; } + if (skip_create && options) { + warn_report("-o has no effect when skipping image creation"); + warn_report("This will become an error in future QEMU versions."); + } + s.src_num = argc - optind - 1; out_filename = s.src_num >= 1 ? argv[argc - 1] : NULL; |