RBD: Add support readv,writev for rbd
commit1d393bdeae22fde2cb83c1ea719675747c85c40e
authortianqing <tianqing@unitedstack.com>
Tue, 21 Feb 2017 06:50:03 +0000 (21 14:50 +0800)
committerJeff Cody <jcody@redhat.com>
Fri, 24 Feb 2017 17:43:01 +0000 (24 12:43 -0500)
treed7888b968e32c638ce998c1b7e793d42104072a3
parentef503a841743ec796af3418424dee7e86275b788
RBD: Add support readv,writev for rbd

Rbd can do readv and writev directly, so wo do not need to transform
iov to buf or vice versa any more.

Signed-off-by: tianqing <tianqing@unitedstack.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Jeff Cody <jcody@redhat.com>
block/rbd.c