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-rw-r--r--include/linux/raid/md.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/raid/md.h b/include/linux/raid/md.h
index ffa316ce4dc..13e7c4b6236 100644
--- a/include/linux/raid/md.h
+++ b/include/linux/raid/md.h
@@ -66,8 +66,10 @@
* and major_version/minor_version accordingly
* >=2 means that Internal bitmaps are supported by setting MD_SB_BITMAP_PRESENT
* in the super status byte
+ * >=3 means that bitmap superblock version 4 is supported, which uses
+ * little-ending representation rather than host-endian
*/
-#define MD_PATCHLEVEL_VERSION 2
+#define MD_PATCHLEVEL_VERSION 3
extern int register_md_personality (int p_num, mdk_personality_t *p);
extern int unregister_md_personality (int p_num);
@@ -87,6 +89,7 @@ extern void md_print_devices (void);
extern void md_super_write(mddev_t *mddev, mdk_rdev_t *rdev,
sector_t sector, int size, struct page *page);
+extern void md_super_wait(mddev_t *mddev);
extern int sync_page_io(struct block_device *bdev, sector_t sector, int size,
struct page *page, int rw);