[Patch v2 11/19] CIFS: SMBD: Define memory registration for I/O data

Long Li
2017-08-20T19:04:35Z

From: Long Li <longli@microsoft.com>

To prepare for RDMA read/write using memory registration, add memory registartion pointers to upper layer data I/O context.

Signed-off-by: Long Li <longli@microsoft.com>
---
fs/cifs/cifsglob.h | 2 ++
1 file changed, 2 insertions(+)

diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index dc5404d..dcd2b63 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -1166,6 +1166,7 @@ struct cifs_readdata {
struct cifs_readdata *rdata,
struct iov_iter *iter);
struct kvec iov[2];
+ struct smbd_mr *mr;
unsigned int pagesz;
unsigned int tailsz;
unsigned int credits;
@@ -1188,6 +1189,7 @@ struct cifs_writedata {
pid_t pid;
unsigned int bytes;
int result;
+ struct smbd_mr *mr;
unsigned int pagesz;
unsigned int tailsz;
unsigned int credits;
--
2.7.4