nbytes = req->uc_outSize; /* don't have more space! */
        }
         if (copy_from_user(req->uc_data, buf, nbytes)) {
-               req->uc_flags |= REQ_ABORT;
+               req->uc_flags |= CODA_REQ_ABORT;
                wake_up(&req->uc_sleep);
                retval = -EFAULT;
                goto out;
                retval = -EFAULT;
         
        /* If request was not a signal, enqueue and don't free */
-       if (!(req->uc_flags & REQ_ASYNC)) {
-               req->uc_flags |= REQ_READ;
+       if (!(req->uc_flags & CODA_REQ_ASYNC)) {
+               req->uc_flags |= CODA_REQ_READ;
                list_add_tail(&(req->uc_chain), &vcp->vc_processing);
                goto out;
        }
                list_del(&req->uc_chain);
 
                /* Async requests need to be freed here */
-               if (req->uc_flags & REQ_ASYNC) {
+               if (req->uc_flags & CODA_REQ_ASYNC) {
                        CODA_FREE(req->uc_data, sizeof(struct coda_in_hdr));
                        kfree(req);
                        continue;
                }
-               req->uc_flags |= REQ_ABORT;
+               req->uc_flags |= CODA_REQ_ABORT;
                wake_up(&req->uc_sleep);
        }
 
        list_for_each_entry_safe(req, tmp, &vcp->vc_processing, uc_chain) {
                list_del(&req->uc_chain);
 
-               req->uc_flags |= REQ_ABORT;
+               req->uc_flags |= CODA_REQ_ABORT;
                wake_up(&req->uc_sleep);
        }
 
 
                               (((r)->uc_opcode != CODA_CLOSE && \
                                 (r)->uc_opcode != CODA_STORE && \
                                 (r)->uc_opcode != CODA_RELEASE) || \
-                               (r)->uc_flags & REQ_READ))
+                               (r)->uc_flags & CODA_REQ_READ))
 
 static inline void coda_waitfor_upcall(struct upc_req *req)
 {
                        set_current_state(TASK_UNINTERRUPTIBLE);
 
                /* got a reply */
-               if (req->uc_flags & (REQ_WRITE | REQ_ABORT))
+               if (req->uc_flags & (CODA_REQ_WRITE | CODA_REQ_ABORT))
                        break;
 
                if (blocked && time_after(jiffies, timeout) &&
        coda_waitfor_upcall(req);
 
        /* Op went through, interrupt or not... */
-       if (req->uc_flags & REQ_WRITE) {
+       if (req->uc_flags & CODA_REQ_WRITE) {
                out = (union outputArgs *)req->uc_data;
                /* here we map positive Venus errors to kernel errors */
                error = -out->oh.result;
        }
 
        error = -EINTR;
-       if ((req->uc_flags & REQ_ABORT) || !signal_pending(current)) {
+       if ((req->uc_flags & CODA_REQ_ABORT) || !signal_pending(current)) {
                printk(KERN_WARNING "coda: Unexpected interruption.\n");
                goto exit;
        }
 
        /* Interrupted before venus read it. */
-       if (!(req->uc_flags & REQ_READ))
+       if (!(req->uc_flags & CODA_REQ_READ))
                goto exit;
 
        /* Venus saw the upcall, make sure we can send interrupt signal */
        sig_inputArgs->ih.opcode = CODA_SIGNAL;
        sig_inputArgs->ih.unique = req->uc_unique;
 
-       sig_req->uc_flags = REQ_ASYNC;
+       sig_req->uc_flags = CODA_REQ_ASYNC;
        sig_req->uc_opcode = sig_inputArgs->ih.opcode;
        sig_req->uc_unique = sig_inputArgs->ih.unique;
        sig_req->uc_inSize = sizeof(struct coda_in_hdr);