linux-stable/drivers/md/md-cluster.h
Guoqing Jiang 5ebaf80bc8 md-cluster: introduce resync_info_get interface for sanity check
Since the resync region from suspend_info means one node
is reshaping this area, so the position of reshape_progress
should be included in the area.

Reviewed-by: NeilBrown <neilb@suse.com>
Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
2018-10-18 09:36:35 -07:00

36 lines
1.4 KiB
C

/* 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 */