Use common::Dma in nvmed.

nvmed/src/nvme/identify.rs

@@ -1,7 +1,7 @@
-use syscall::Dma;
-
 use super::{Nvme, NvmeCmd, NvmeNamespace};
 
+use common::dma::Dma;
+
 /// See NVME spec section 5.15.2.2.
 #[derive(Clone, Copy)]
 #[repr(packed)]

nvmed/src/nvme/mod.rs

@@ -10,7 +10,9 @@ use crossbeam_channel::Sender;
 use smallvec::{smallvec, SmallVec};
 
 use syscall::error::{Error, Result, EINVAL, EIO};
-use syscall::io::{Dma, Io, Mmio};
+use syscall::io::{Io, Mmio};
+
+use common::dma::Dma;
 
 pub mod cmd;
 pub mod cq_reactor;

nvmed/src/nvme/queues.rs

@@ -1,5 +1,7 @@
 use std::ptr;
-use syscall::{Dma, Result};
+use syscall::Result;
+
+use common::dma::Dma;
 
 /// A submission queue entry.
 #[derive(Clone, Copy, Debug, Default)]