diff mbox series

[md-6.13,3/5] md: add a new callback pers->bitmap_sector()

Message ID 20241118114157.355749-4-yukuai1@huaweicloud.com (mailing list archive)
State New
Headers show
Series md/md-bitmap: move bitmap_{start,end}write to md upper layer | expand

Checks

Context Check Description
mdraidci/vmtest-md-6_13-PR success PR summary
mdraidci/vmtest-md-6_13-VM_Test-0 success Logs for per-patch-testing

Commit Message

Yu Kuai Nov. 18, 2024, 11:41 a.m. UTC 
From: Yu Kuai <yukuai3@huawei.com>

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

Signed-off-by: Yu Kuai <yukuai3@huawei.com>
---
 drivers/md/md.h | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/drivers/md/md.h b/drivers/md/md.h
index 4ba93af36126..de6dadb9a40b 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -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 {