CIFS: Add SMB2 support for async requests

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / fs / cifs / smb2transport.c

diff --git a/fs/cifs/smb2transport.c b/fs/cifs/smb2transport.c
index b4b6b9a6c0fbeba0b234872dbd3c975bbdbba2f6..31f5d420b3ea353570814716498327c274caa8a8 100644 (file)
--- 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;
+}