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Commit 6f287ca6 authored by Guoqing Jiang's avatar Guoqing Jiang Committed by Shaohua Li
Browse files

md/raid10: reset the 'first' at the end of loop 



We need to set "first = 0' at the end of rdev_for_each
loop, so we can get the array's min_offset_diff correctly
otherwise min_offset_diff just means the last rdev's
offset diff.

Suggested-by: default avatarNeilBrown <neilb@suse.com>
Signed-off-by: default avatarGuoqing Jiang <gqjiang@suse.com>
Reviewed-by: default avatarNeilBrown <neilb@suse.com>
Signed-off-by: default avatarShaohua Li <shli@fb.com>
parent 7471fb77

drivers/md/raid10.c

+2 −0
Original line number Original line Diff line number Diff line
@@ -3769,6 +3769,7 @@ static int raid10_run(struct mddev *mddev) 




		if (blk_queue_discard(bdev_get_queue(rdev->bdev)))

		if (blk_queue_discard(bdev_get_queue(rdev->bdev)))

			discard_supported = true;

			discard_supported = true;

		first = 0;

	}

	}





	if (mddev->queue) {

	if (mddev->queue) {
@@ -4172,6 +4173,7 @@ static int raid10_start_reshape(struct mddev *mddev) 
			if (first || diff < min_offset_diff)

			if (first || diff < min_offset_diff)

				min_offset_diff = diff;

				min_offset_diff = diff;

		}

		}

		first = 0;

	}

	}





	if (max(before_length, after_length) > min_offset_diff)

	if (max(before_length, after_length) > min_offset_diff)