1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index d1bb0e1d2d28..280d231a86ed 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -87,7 +87,13 @@ MODULE_ALIAS_SCSI_DEVICE(TYPE_MOD);
 MODULE_ALIAS_SCSI_DEVICE(TYPE_RBC);
 
 #define SD_PARTS        64
+
+#if !defined(CONFIG_DEBUG_BLOCK_EXT_DEVT)
 #define SD_MINORS       16
+#else
+#define SD_MINORS       1
+#endif
+
 #define SD_EXT_MINORS   (SD_PARTS - SD_MINORS)
 
 static int  sd_revalidate_disk(struct gendisk *);