3 files changed, 5 insertions, 1 deletions

diff --git a/include/linux/raid/bitmap.h b/include/linux/raid/bitmap.h
index ebd42a3710b4..6db9a4c15355 100644
--- a/include/linux/raid/bitmap.h
+++ b/include/linux/raid/bitmap.h
@@ -247,6 +247,7 @@ struct bitmap {
 
         atomic_t pending_writes; /* pending writes to the bitmap file */
         wait_queue_head_t write_wait;
+        wait_queue_head_t overflow_wait;
 
 };
 
diff --git a/include/linux/raid/md.h b/include/linux/raid/md.h
index 866a1e2b0ce0..fbaeda79b2e9 100644
--- a/include/linux/raid/md.h
+++ b/include/linux/raid/md.h
@@ -94,7 +94,7 @@ extern int sync_page_io(struct block_device *bdev, sector_t sector, int size,
                         struct page *page, int rw);
 extern void md_do_sync(mddev_t *mddev);
 extern void md_new_event(mddev_t *mddev);
-
+extern void md_allow_write(mddev_t *mddev);
 
 #endif /* CONFIG_MD */
 #endif 
diff --git a/include/linux/raid/raid5.h b/include/linux/raid/raid5.h
index 03636d7918fe..d8286db60b96 100644
--- a/include/linux/raid/raid5.h
+++ b/include/linux/raid/raid5.h
@@ -227,7 +227,10 @@ struct raid5_private_data {
         struct list_head        handle_list; /* stripes needing handling */
         struct list_head        delayed_list; /* stripes that have plugged requests */
         struct list_head        bitmap_list; /* stripes delaying awaiting bitmap update */
+        struct bio              *retry_read_aligned; /* currently retrying aligned bios   */
+        struct bio              *retry_read_aligned_list; /* aligned bios retry list  */
         atomic_t                preread_active_stripes; /* stripes with scheduled io */
+        atomic_t                active_aligned_reads;
 
         atomic_t                reshape_stripes; /* stripes with pending writes for reshape */
         /* unfortunately we need two cache names as we temporarily have