Re: [PATCH] block/blkio: use FUA flag on write zeroes only if supported

[Eric Blake]

On Thu, Aug 08, 2024 at 10:05:45AM GMT, Stefano Garzarella wrote:
> libblkio supports BLKIO_REQ_FUA with write zeros requests only since
> version 1.4.0, so let's inform the block layer that the blkio driver
> supports it only in this case. Otherwise we can have runtime errors
> as reported in https://issues.redhat.com/browse/RHEL-32878
> 
> Fixes: fd66dbd424 ("blkio: add libblkio block driver")
> Cc: qemu-stable@nongnu.org
> Buglink: https://issues.redhat.com/browse/RHEL-32878
> Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
> ---
>  meson.build   | 2 ++
>  block/blkio.c | 6 ++++--
>  2 files changed, 6 insertions(+), 2 deletions(-)

Reviewed-by: Eric Blake <eblake@redhat.com>

-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.
Virtualization:  qemu.org | libguestfs.org