Implement AIO in SMB2. Doesn't allow cancel calls yet (to be added).

[mat/samba.git] / source3 / smbd / smb2_read.c

diff --git a/source3/smbd/smb2_read.c b/source3/smbd/smb2_read.c
index 3e1162fb92a284438a03a7c4941ec45e7b98ce61..7f3bc356160e628eae7626a6b8ccfd3f457ef065 100644 (file)
--- a/source3/smbd/smb2_read.c
+++ b/source3/smbd/smb2_read.c
@@ -322,6 +322,34 @@ static struct tevent_req *smbd_smb2_read_send(TALLOC_CTX *mem_ctx,
                return tevent_req_post(req, ev);
        }
 
+       status = schedule_smb2_aio_read(fsp->conn,
+                               smbreq,
+                               fsp,
+                               (char *)state->out_data.data,
+                               (SMB_OFF_T)in_offset,
+                               (size_t)in_length);
+
+       if (NT_STATUS_IS_OK(status)) {
+               /*
+                * Doing an async read. Don't
+                * send a "gone async" message
+                * as we expect this to be less
+                * than the client timeout period.
+                * JRA. FIXME for offline files..
+                * FIXME. Add cancel code..
+                */
+               smb2req->async = true;
+               return req;
+       }
+
+       if (!NT_STATUS_EQUAL(status, NT_STATUS_RETRY)) {
+               /* Real error in setting up aio. Fail. */
+               tevent_req_nterror(req, NT_STATUS_FILE_CLOSED);
+               return tevent_req_post(req, ev);
+       }
+
+       /* Fallback to synchronous. */
+
        init_strict_lock_struct(fsp,
                                in_file_id_volatile,
                                in_offset,