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-rw-r--r--include/uapi/linux/lightnvm.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/lightnvm.h b/include/uapi/linux/lightnvm.h
index 928f98997d8a..0171b85e7efc 100644
--- a/include/uapi/linux/lightnvm.h
+++ b/include/uapi/linux/lightnvm.h
@@ -33,6 +33,7 @@
#define NVM_TTYPE_NAME_MAX 48
#define NVM_TTYPE_MAX 63
+#define NVM_MMTYPE_LEN 8
#define NVM_CTRL_FILE "/dev/lightnvm/control"