md: Support write-intent bitmaps with externally managed metadata.

[safe/jmp/linux-2.6] / drivers / md / md.h

diff --git a/drivers/md/md.h b/drivers/md/md.h
index fce0207..d913888 100644 (file)
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -296,6 +296,7 @@ struct mddev_s
                unsigned long           chunksize;
                unsigned long           daemon_sleep; /* how many seconds between updates? */
                unsigned long           max_write_behind; /* write-behind mode */
+               int                     external;
        } bitmap_info;
 
        struct list_head                all_mddevs;