Re: [Qemu-devel] [PATCH v5] Add compare subcommand for qemu-img

2012-12-04 Thread Stefan Hajnoczi
On Tue, Dec 04, 2012 at 06:06:55AM -0500, Miroslav Rezanina wrote: > +for (;;) { > +c = getopt(argc, argv, "pf:F:sq"); > +if (c == -1) { > +break; > +} > +switch (c) { > +case 'f': > +fmt1 = optarg; > +break; > +

[Qemu-devel] [PATCH v5] Add compare subcommand for qemu-img

2012-12-04 Thread Miroslav Rezanina
This is second version of patch adding compare subcommand that compares two images. Compare has following criteria: - only data part is compared - unallocated sectors are not read - in case of different image size, exceeding part of bigger disk has to be zeroed/unallocated to compare rest -