On 06/22/2016 01:51 PM, John Snow wrote: > mirror_do_read intends to return the number of sectors processed after > the starting sector, without regard to how many sectors were processed > before the starting sector due to alignment. >
Eventually, we may want this to be in terms of bytes instead of sectors; but for now the new wording is an improvement. > Clean up the comments and code to hopefully illustrate this more clearly. > > This also fixes an issue in initialization where if the mirror buffer size > is initialized to smaller than the number of sectors being requested for > transfer, we report back an incorrectly large number to the caller. > > Signed-off-by: John Snow <js...@redhat.com> > --- > block/mirror.c | 7 +++++-- > 1 file changed, 5 insertions(+), 2 deletions(-) > Reviewed-by: Eric Blake <ebl...@redhat.com> -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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