On Fri, Apr 07, 2023 at 05:33:02PM +0200, Paolo Bonzini wrote: > All callers of blk_co_nb_sectors (and blk_nb_sectors) are able to > handle a non-inserted CD-ROM as a zero-length file, they do not need > to raise an error. > > Not using blk_co_is_available() aligns the function with > blk_co_get_geometry(), which becomes a simple wrapper for > blk_co_nb_sectors(). It will also make it possible to skip the creation > of a coroutine in the (common) case where bs->bl.has_variable_length > is false. > > Signed-off-by: Paolo Bonzini <pbonz...@redhat.com> > --- > block/block-backend.c | 23 ++++++++--------------- > 1 file changed, 8 insertions(+), 15 deletions(-)
Reviewed-by: Eric Blake <ebl...@redhat.com> -- Eric Blake, Principal Software Engineer Red Hat, Inc. +1-919-301-3266 Virtualization: qemu.org | libvirt.org
