On 10/12/2012 02:19 PM, Kashyap Chamarthy wrote: > > From eb4c4bc92c035c42c23c30c5e7ee73b54f9cf3a8 Mon Sep 17 00:00:00 2001 > From: Kashyap Chamarthy <kashyap...@gmail.com> > Date: Sat, 13 Oct 2012 01:30:37 +0530 > Subject: [PATCH] Add documentation for 'qemu-img info --backing-chain' > > Signed-off-by: Kashyap Chamarthy <kashyap...@gmail.com> > --- > qemu-img.texi | 19 ++++++++++++++++++- > 1 file changed, 18 insertions(+), 1 deletion(-)
We also need a patch to qemu-img-cmds.hx. > @@ -129,7 +133,7 @@ created as a copy on write image of the specified base > image; the > @var{backing_file} should have the same content as the input's base image, > however the path, image format, etc may differ. > > -@item info [-f @var{fmt}] [--output=@var{ofmt}] @var{filename} > +@item info [-f @var{fmt}] [--output=@var{ofamt}] [--backing-chain] > @var{filename} Introduced a spurious typo: s/ofamt/ofmt/ > > Give information about the disk image @var{filename}. Use it in > particular to know the size reserved on disk which can be different > @@ -137,6 +141,19 @@ from the displayed size. If VM snapshots are stored in > the disk image, > they are displayed too. The command can output in the format @var{ofmt} > which is either @code{human} or @code{json}. > > +If a disk image has a backing file chain, information about each disk image > in > +the chain can be recursively enumerated by using the option > @code{--backing-chain} Trailing whitespace. Needs a '.' to end the sentence. -- Eric Blake ebl...@redhat.com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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