80 typedef void (md_bitmap_fn)(struct mddev *mddev, sector_t offset,
87 	int (*create)(struct mddev *mddev);
88 	int (*resize)(struct mddev *mddev, sector_t blocks, int chunksize);
90 	int (*load)(struct mddev *mddev);
91 	void (*destroy)(struct mddev *mddev);
92 	void (*flush)(struct mddev *mddev);
93 	void (*write_all)(struct mddev *mddev);
94 	void (*dirty_bits)(struct mddev *mddev, unsigned long s,
96 	void (*unplug)(struct mddev *mddev, bool sync);
97 	void (*daemon_work)(struct mddev *mddev);
99 	void (*start_behind_write)(struct mddev *mddev);
100 	void (*end_behind_write)(struct mddev *mddev);
101 	void (*wait_behind_writes)(struct mddev *mddev);
108 	sector_t (*skip_sync_blocks)(struct mddev *mddev, sector_t offset);
109 	bool (*blocks_synced)(struct mddev *mddev, sector_t offset);
110 	bool (*start_sync)(struct mddev *mddev, sector_t offset,
112 	void (*end_sync)(struct mddev *mddev, sector_t offset, sector_t *blocks);
113 	void (*cond_end_sync)(struct mddev *mddev, sector_t sector, bool force);
114 	void (*close_sync)(struct mddev *mddev);
119 	void (*sync_with_cluster)(struct mddev *mddev,
122 	void *(*get_from_slot)(struct mddev *mddev, int slot);
123 	int (*copy_from_slot)(struct mddev *mddev, int slot, sector_t *lo,
132 static inline bool md_bitmap_registered(struct mddev *mddev)  in md_bitmap_registered()  argument
134 	return mddev->bitmap_ops != NULL;  in md_bitmap_registered()
137 static inline bool md_bitmap_enabled(struct mddev *mddev, bool flush)  in md_bitmap_enabled()  argument
140 	if (!md_bitmap_registered(mddev))  in md_bitmap_enabled()
143 	if (!mddev->bitmap)  in md_bitmap_enabled()
146 	return mddev->bitmap_ops->enabled(mddev->bitmap, flush);  in md_bitmap_enabled()
149 static inline bool md_bitmap_start_sync(struct mddev *mddev, sector_t offset,  in md_bitmap_start_sync()  argument
153 	if (!md_bitmap_enabled(mddev, false)) {  in md_bitmap_start_sync()
158 	return mddev->bitmap_ops->start_sync(mddev, offset, blocks, degraded);  in md_bitmap_start_sync()
161 static inline void md_bitmap_end_sync(struct mddev *mddev, sector_t offset,  in md_bitmap_end_sync()  argument
164 	if (!md_bitmap_enabled(mddev, false)) {  in md_bitmap_end_sync()
169 	mddev->bitmap_ops->end_sync(mddev, offset, blocks);  in md_bitmap_end_sync()