tree b92cdf86a640a7c972ba6172fe7cc4895eb9caa4
parent d34682cd4a06efe9ee3fc8cb7e8a0ea445299989
author Kevin Wolf <kwolf@redhat.com> 1386787832 +0100
committer Kevin Wolf <kwolf@redhat.com> 1390581601 +0100

block: Inherit opt_transfer_length

When there is a format driver between the backend, it's not guaranteed
that exposing the opt_transfer_length for the format driver results in
the optimal requests (because of fragmentation etc.), but it can't make
things worse, so let's just do it.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Benoît Canet <benoit@irqsave.net>