On 24.12.2015 06:50, Fam Zheng wrote: > The added parameter can be used to return the BDS pointer which the > valid offset is referring to. It's value should be ignored unless
*Its > BDRV_BLOCK_OFFSET_VALID in ret is set. > > Until block drivers fill in the right value, let's clear it explicitly > right before calling .bdrv_get_block_status. > > Reviewed-by: Stefan Hajnoczi <stefa...@redhat.com> > Signed-off-by: Fam Zheng <f...@redhat.com> > --- > block/io.c | 42 ++++++++++++++++++++++++++++-------------- > block/iscsi.c | 6 ++++-- > block/mirror.c | 3 ++- > block/parallels.c | 2 +- > block/qcow.c | 2 +- > block/qcow2.c | 2 +- > block/qed.c | 3 ++- > block/raw-posix.c | 3 ++- > block/raw_bsd.c | 3 ++- > block/sheepdog.c | 2 +- > block/vdi.c | 2 +- > block/vmdk.c | 2 +- > block/vpc.c | 2 +- > block/vvfat.c | 2 +- > include/block/block.h | 6 ++++-- > include/block/block_int.h | 3 ++- > qemu-img.c | 7 +++++-- > 17 files changed, 59 insertions(+), 33 deletions(-) > [...] > diff --git a/include/block/block.h b/include/block/block.h > index db8e096..70b4984 100644 > --- a/include/block/block.h > +++ b/include/block/block.h The comment explaining BDRV_BLOCK_OFFSET_VALID should be changed accordingly (you could also say "fixed", because apparently it wasn't always bs->file; sometimes it was bs itself (in case of raw-posix, iscsi and sheepdog)). Max
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