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-rw-r--r--include/linux/dmaengine.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index f838764993eb..861be5cab1df 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -470,7 +470,11 @@ typedef void (*dma_async_tx_callback_result)(void *dma_async_param,
const struct dmaengine_result *result);
struct dmaengine_unmap_data {
+#if IS_ENABLED(CONFIG_DMA_ENGINE_RAID)
+ u16 map_cnt;
+#else
u8 map_cnt;
+#endif
u8 to_cnt;
u8 from_cnt;
u8 bidi_cnt;