Commit 0c984a28 authored by Yu Kuai's avatar Yu Kuai Committed by Song Liu
Browse files

md: add a new callback pers->bitmap_sector() 



This callback will be used in raid5 to convert io ranges from array to
bitmap.

Signed-off-by: default avatarYu Kuai <yukuai3@huawei.com>
Reviewed-by: default avatarXiao Ni <xni@redhat.com>
Link: https://lore.kernel.org/r/20250109015145.158868-4-yukuai1@huaweicloud.com


Signed-off-by: default avatarSong Liu <song@kernel.org>
parent 4f0e7d0e

drivers/md/md.h

+3 −0
Original line number Diff line number Diff line
@@ -746,6 +746,9 @@ struct md_personality 
	void *(*takeover) (struct mddev *mddev);

	/* Changes the consistency policy of an active array. */

	int (*change_consistency_policy)(struct mddev *mddev, const char *buf);

	/* convert io ranges from array to bitmap */

	void (*bitmap_sector)(struct mddev *mddev, sector_t *offset,

			      unsigned long *sectors);

};



struct md_sysfs_entry {