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-rw-r--r--crypto/async_tx/async_xor.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/crypto/async_tx/async_xor.c b/crypto/async_tx/async_xor.c
index 2575f67..716885a 100644
--- a/crypto/async_tx/async_xor.c
+++ b/crypto/async_tx/async_xor.c
@@ -30,7 +30,11 @@
#include <linux/raid/xor.h>
#include <linux/async_tx.h>
-static void
+/* do_async_xor - dma map the pages and perform the xor with an engine.
+ * This routine is marked __always_inline so it can be compiled away
+ * when CONFIG_DMA_ENGINE=n
+ */
+static __always_inline void
do_async_xor(struct dma_async_tx_descriptor *tx, struct dma_device *device,
struct dma_chan *chan, struct page *dest, struct page **src_list,
unsigned int offset, unsigned int src_cnt, size_t len,
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