Commit 96815381 authored by Yu Kuai's avatar Yu Kuai Committed by Song Liu
Browse files

md: use new helper md_bitmap_get_stats() in update_array_info() 



There are no functional changes, avoid dereferencing bitmap directly to
prepare inventing a new bitmap.

Signed-off-by: default avatarYu Kuai <yukuai3@huawei.com>
Link: https://lore.kernel.org/r/20240826074452.1490072-4-yukuai1@huaweicloud.com


Signed-off-by: default avatarSong Liu <song@kernel.org>
parent 38f287d7

drivers/md/md.c

+7 −5
Original line number Diff line number Diff line
@@ -7577,15 +7577,17 @@ static int update_array_info(struct mddev *mddev, mdu_array_info_t *info) 
			if (rv)

				md_bitmap_destroy(mddev);

		} else {

			/* remove the bitmap */

			if (!mddev->bitmap) {

				rv = -ENOENT;

			struct md_bitmap_stats stats;



			rv = md_bitmap_get_stats(mddev->bitmap, &stats);

			if (rv)

				goto err;

			}

			if (mddev->bitmap->storage.file) {



			if (stats.file) {

				rv = -EINVAL;

				goto err;

			}



			if (mddev->bitmap_info.nodes) {

				/* hold PW on all the bitmap lock */

				if (md_cluster_ops->lock_all_bitmaps(mddev) <= 0) {