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

[Long Li]

From: Long Li <lon...@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 <lon...@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