Factor out test for subarray version string.

We are about to change the syntax of the version string
for 'subarray's.  So factor out the test into a single function.

Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 5 insertions, 0 deletions

diff --git a/mdadm.h b/mdadm.h
index 3e47fea..489fe30 100644
--- a/mdadm.h
+++ b/mdadm.h
@@ -805,6 +805,11 @@ static inline int ROUND_UP(int a, int base)
 	return ((a+base-1)/base)*base;
 }
 
+static inline int is_subarray(char *vers)
+{
+	return (*vers == '/');
+}
+
 #define	LEVEL_MULTIPATH		(-4)
 #define	LEVEL_LINEAR		(-1)
 #define	LEVEL_FAULTY		(-5)