[PATCH v2 7/6] xfs_db: add missing string name for DBM_COWDATA

["Darrick J. Wong" <darrick.wong@oracle.com>]

From: Darrick J. Wong <darrick.wong@oracle.com>

In db/check.c, typename[] is supposed to have strings for every DBM_
type, but we forgot one.  Add it now.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
---
v2: add build time check
---
 db/check.c |   11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/db/check.c b/db/check.c
index 352aab3f..442600be 100644
--- a/db/check.c
+++ b/db/check.c
@@ -164,8 +164,19 @@ static const char	*typename[] = {
 	"btrmap",
 	"btrefcnt",
 	"rldata",
+	"cowdata",
 	NULL
 };
+
+/*
+ * Make sure typename has the same number of elements as there are DBM types.
+ * This function isn't called anywhere; we just use it to trip up the compiler.
+ */
+static inline void check_typename(void)
+{
+	BUILD_BUG_ON(ARRAY_SIZE(typename) != DBM_NDBM + 1);
+}
+
 static int		verbose;
 
 #define	CHECK_BLIST(b)	(blist_size && check_blist(b))