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-rw-r--r--include/linux/raid/md.h2
-rw-r--r--include/linux/raid/md_k.h7
2 files changed, 8 insertions, 1 deletions
diff --git a/include/linux/raid/md.h b/include/linux/raid/md.h
index a6a67d102bfa..cfde8f497d6d 100644
--- a/include/linux/raid/md.h
+++ b/include/linux/raid/md.h
@@ -69,7 +69,7 @@ extern mdk_thread_t * md_register_thread (void (*run) (mddev_t *mddev),
extern void md_unregister_thread (mdk_thread_t *thread);
extern void md_wakeup_thread(mdk_thread_t *thread);
extern void md_check_recovery(mddev_t *mddev);
-extern void md_write_start(mddev_t *mddev);
+extern int md_write_start(mddev_t *mddev, struct bio *bi);
extern void md_write_end(mddev_t *mddev);
extern void md_handle_safemode(mddev_t *mddev);
extern void md_done_sync(mddev_t *mddev, int blocks, int ok);
diff --git a/include/linux/raid/md_k.h b/include/linux/raid/md_k.h
index c9a0d4013be7..d92db54255a3 100644
--- a/include/linux/raid/md_k.h
+++ b/include/linux/raid/md_k.h
@@ -15,6 +15,9 @@
#ifndef _MD_K_H
#define _MD_K_H
+/* and dm-bio-list.h is not under include/linux because.... ??? */
+#include "../../../drivers/md/dm-bio-list.h"
+
#define MD_RESERVED 0UL
#define LINEAR 1UL
#define RAID0 2UL
@@ -252,6 +255,10 @@ struct mddev_s
atomic_t recovery_active; /* blocks scheduled, but not written */
wait_queue_head_t recovery_wait;
sector_t recovery_cp;
+
+ spinlock_t write_lock;
+ struct bio_list write_list;
+
unsigned int safemode; /* if set, update "clean" superblock
* when no writes pending.
*/