async_tx: export async_tx_quiesce

[linux-2.6] / crypto / async_tx / async_memcpy.c

diff --git a/crypto/async_tx/async_memcpy.c b/crypto/async_tx/async_memcpy.c
index 84caa4efc0d447516ce269ed91e85b3ad4f4c85b..06a7f4be9736b06a045636a688dc9fc82571b79d 100644 (file)
--- a/crypto/async_tx/async_memcpy.c
+++ b/crypto/async_tx/async_memcpy.c
@@ -73,15 +73,7 @@ async_memcpy(struct page *dest, struct page *src, unsigned int dest_offset,
                pr_debug("%s: (sync) len: %zu\n", __func__, len);
 
                /* wait for any prerequisite operations */
-               if (depend_tx) {
-                       /* if ack is already set then we cannot be sure
-                        * we are referring to the correct operation
-                        */
-                       BUG_ON(depend_tx->ack);
-                       if (dma_wait_for_async_tx(depend_tx) == DMA_ERROR)
-                               panic("%s: DMA_ERROR waiting for depend_tx\n",
-                                       __func__);
-               }
+               async_tx_quiesce(&depend_tx);
 
                dest_buf = kmap_atomic(dest, KM_USER0) + dest_offset;
                src_buf = kmap_atomic(src, KM_USER1) + src_offset;