diff options
Diffstat (limited to 'qemu-img.texi')
| -rw-r--r-- | qemu-img.texi | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/qemu-img.texi b/qemu-img.texi index 8b05f2c428..42ec392c36 100644 --- a/qemu-img.texi +++ b/qemu-img.texi @@ -148,7 +148,9 @@ Changes the backing file of an image. Only the formats @code{qcow2} and The backing file is changed to @var{backing_file} and (if the image format of @var{filename} supports this) the backing file format is changed to -@var{backing_fmt}. +@var{backing_fmt}. If @var{backing_file} is specified as ``'' (the empty +string), then the image is rebased onto no backing file (i.e. it will exist +independently of any backing file). There are two different modes in which @code{rebase} can operate: @table @option |