md: support blocking writes to an array on device failure

[firefly-linux-kernel-4.4.55.git] / include / linux / raid / md.h

diff --git a/include/linux/raid/md.h b/include/linux/raid/md.h
index 866a1e2b0ce049fd991f3e85d52bdeea3b82d520..81a1a02d4566103b9dffc54771b4bde0d61f3358 100644 (file)
--- a/include/linux/raid/md.h
+++ b/include/linux/raid/md.h
@@ -19,7 +19,6 @@
 #define _MD_H
 
 #include <linux/blkdev.h>
-#include <asm/semaphore.h>
 #include <linux/major.h>
 #include <linux/ioctl.h>
 #include <linux/types.h>
@@ -94,7 +93,8 @@ 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);
+extern void md_wait_for_blocked_rdev(mdk_rdev_t *rdev, mddev_t *mddev);
 
 #endif /* CONFIG_MD */
 #endif