tree efd1b0ca17ea9b8625517094ba8fc057fc10941f
parent e8344e668915a7488def414f016dbf7d9fce84b5
author majianpeng <majianpeng@gmail.com> 1380177737 +0800
committer Sage Weil <sage@inktank.com> 1386954797 -0800

ceph: implement readv/preadv for sync operation

For readv/preadv sync-operatoin, ceph only do the first iov.
Now implement this.

Signed-off-by: Jianpeng Ma <majianpeng@gmail.com>
Reviewed-by: Yan, Zheng <zheng.z.yan@intel.com>