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-rw-r--r--drivers/md/md-cluster.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/md/md-cluster.h b/drivers/md/md-cluster.h
new file mode 100644
index 0000000000..a78e302177
--- /dev/null
+++ b/drivers/md/md-cluster.h
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+
+#ifndef _MD_CLUSTER_H
+#define _MD_CLUSTER_H
+
+#include "md.h"
+
+struct mddev;
+struct md_rdev;
+
+struct md_cluster_operations {
+ int (*join)(struct mddev *mddev, int nodes);
+ int (*leave)(struct mddev *mddev);
+ int (*slot_number)(struct mddev *mddev);
+ int (*resync_info_update)(struct mddev *mddev, sector_t lo, sector_t hi);
+ void (*resync_info_get)(struct mddev *mddev, sector_t *lo, sector_t *hi);
+ int (*metadata_update_start)(struct mddev *mddev);
+ int (*metadata_update_finish)(struct mddev *mddev);
+ void (*metadata_update_cancel)(struct mddev *mddev);
+ int (*resync_start)(struct mddev *mddev);
+ int (*resync_finish)(struct mddev *mddev);
+ int (*area_resyncing)(struct mddev *mddev, int direction, sector_t lo, sector_t hi);
+ int (*add_new_disk)(struct mddev *mddev, struct md_rdev *rdev);
+ void (*add_new_disk_cancel)(struct mddev *mddev);
+ int (*new_disk_ack)(struct mddev *mddev, bool ack);
+ int (*remove_disk)(struct mddev *mddev, struct md_rdev *rdev);
+ void (*load_bitmaps)(struct mddev *mddev, int total_slots);
+ int (*gather_bitmaps)(struct md_rdev *rdev);
+ int (*resize_bitmaps)(struct mddev *mddev, sector_t newsize, sector_t oldsize);
+ int (*lock_all_bitmaps)(struct mddev *mddev);
+ void (*unlock_all_bitmaps)(struct mddev *mddev);
+ void (*update_size)(struct mddev *mddev, sector_t old_dev_sectors);
+};
+
+#endif /* _MD_CLUSTER_H */