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-rw-r--r--sys/dev/vinum/vinumvar.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/dev/vinum/vinumvar.h b/sys/dev/vinum/vinumvar.h
index fb7d339..594a087 100644
--- a/sys/dev/vinum/vinumvar.h
+++ b/sys/dev/vinum/vinumvar.h
@@ -92,7 +92,12 @@ enum constants {
MAXNAME = 64, /* maximum length of any name */
-#define VINUMMINOR(v,p,s,t) ( (v << VINUM_VOL_SHIFT) \
+/*
+ * Define a minor device number.
+ * This is not used directly; instead, it's
+ * called by the other macros.
+ */
+#define VINUMMINOR(v,p,s,t) ( (v << VINUM_VOL_SHIFT) \
| (p << VINUM_PLEX_SHIFT) \
| (s << VINUM_SD_SHIFT) \
| (t << VINUM_TYPE_SHIFT) )
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