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-rw-r--r--src/kernel/blk.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/kernel/blk.h b/src/kernel/blk.h
index 28f6f8c..5091d19 100644
--- a/src/kernel/blk.h
+++ b/src/kernel/blk.h
@@ -23,6 +23,10 @@
#include "dnbd3.h"
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0)
+#define REQ_TYPE_SPECIAL REQ_TYPE_DRV_PRIV
+#endif
+
extern struct block_device_operations dnbd3_blk_ops;
int dnbd3_blk_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long arg);