CIFS: Add SMB2 support for async requests

Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>

1 files changed, 22 insertions, 1 deletions

diff --git a/fs/cifs/smb2transport.c b/fs/cifs/smb2transport.c
index b4b6b9a6c0f..31f5d420b3e 100644
--- a/fs/cifs/smb2transport.c
+++ b/fs/cifs/smb2transport.c
@@ -148,4 +148,25 @@ smb2_setup_request(struct cifs_ses *ses, struct kvec *iov,
         return rc;
 }
 
-/* BB add missing functions here */
+int
+smb2_setup_async_request(struct TCP_Server_Info *server, struct kvec *iov,
+                         unsigned int nvec, struct mid_q_entry **ret_mid)
+{
+        int rc = 0;
+        struct smb2_hdr *hdr = (struct smb2_hdr *)iov[0].iov_base;
+        struct mid_q_entry *mid;
+
+        smb2_seq_num_into_buf(server, hdr);
+
+        mid = smb2_mid_entry_alloc(hdr, server);
+        if (mid == NULL)
+                return -ENOMEM;
+
+        /* rc = smb2_sign_smb2(iov, nvec, server);
+        if (rc) {
+                DeleteMidQEntry(mid);
+                return rc;
+        }*/
+        *ret_mid = mid;
+        return rc;
+}