Add support for internal bitmaps

[thirdparty/mdadm.git] / md_p.h

diff --git a/md_p.h b/md_p.h
index aeaf87889ff5ce18155f6881a1794028852b4909..31eaafd2cc0f8afb27b2a8d176a4b00e105d832a 100644 (file)
--- a/md_p.h
+++ b/md_p.h
@@ -96,6 +96,8 @@ typedef struct mdp_device_descriptor_s {
 #define MD_SB_CLEAN            0
 #define MD_SB_ERRORS           1
 
+#define        MD_SB_BITMAP_PRESENT    8 /* bitmap may be present nearby */
+
 typedef struct mdp_superblock_s {
        /*
         * Constant generic information