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authorMax Reitz <mreitz@redhat.com>2017-04-26 15:46:49 +0200
committerKevin Wolf <kwolf@redhat.com>2017-04-27 17:26:31 +0200
commit2b4c0a20fbcfdba838d412d07739b2f4b6f7cd9a (patch)
treec2b199a48fe16c829ece92bdbccb3a294f8016d0 /qemu-img.texi
parent48758a84738c5be8cf022062ed0b85ff2ebacc0c (diff)
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qemu-img: Document backing options
The create and convert subcommands have shorthands to set the backing_file and, in the case of create, the backing_fmt options for the new image. However, they have not been documented so far, which is remedied by this patch. Reported-by: Eric Blake <eblake@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'qemu-img.texi')
-rw-r--r--qemu-img.texi4
1 files changed, 2 insertions, 2 deletions
diff --git a/qemu-img.texi b/qemu-img.texi
index c81db3e..8c573ae 100644
--- a/qemu-img.texi
+++ b/qemu-img.texi
@@ -224,7 +224,7 @@ If @code{-r} is specified, exit codes representing the image state refer to the
state after (the attempt at) repairing it. That is, a successful @code{-r all}
will yield the exit code 0, independently of the image state before.
-@item create [-f @var{fmt}] [-o @var{options}] @var{filename} [@var{size}]
+@item create [-f @var{fmt}] [-b @var{backing_file}] [-F @var{backing_fmt}] [-o @var{options}] @var{filename} [@var{size}]
Create the new disk image @var{filename} of size @var{size} and format
@var{fmt}. Depending on the file format, you can add one or more @var{options}
@@ -302,7 +302,7 @@ Error on reading data
@end table
-@item convert [-c] [-p] [-n] [-f @var{fmt}] [-t @var{cache}] [-T @var{src_cache}] [-O @var{output_fmt}] [-o @var{options}] [-s @var{snapshot_id_or_name}] [-l @var{snapshot_param}] [-m @var{num_coroutines}] [-W] [-S @var{sparse_size}] @var{filename} [@var{filename2} [...]] @var{output_filename}
+@item convert [-c] [-p] [-n] [-f @var{fmt}] [-t @var{cache}] [-T @var{src_cache}] [-O @var{output_fmt}] [-B @var{backing_file}] [-o @var{options}] [-s @var{snapshot_id_or_name}] [-l @var{snapshot_param}] [-m @var{num_coroutines}] [-W] [-S @var{sparse_size}] @var{filename} [@var{filename2} [...]] @var{output_filename}
Convert the disk image @var{filename} or a snapshot @var{snapshot_param}(@var{snapshot_id_or_name} is deprecated)
to disk image @var{output_filename} using format @var{output_fmt}. It can be optionally compressed (@code{-c}