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Diffstat (limited to 'include/uapi/linux/raid/md_u.h')
-rw-r--r--include/uapi/linux/raid/md_u.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/uapi/linux/raid/md_u.h b/include/uapi/linux/raid/md_u.h
index 7be89a4906e7..a893010735fb 100644
--- a/include/uapi/linux/raid/md_u.h
+++ b/include/uapi/linux/raid/md_u.h
@@ -103,6 +103,8 @@ typedef struct mdu_array_info_s {
} mdu_array_info_t;
+#define LEVEL_LINEAR (-1)
+
/* we need a value for 'no level specified' and 0
* means 'raid0', so we need something else. This is
* for internal use only