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md: teach sync_page_io about new_data_offset.
Some code in raid1 and raid10 use sync_page_io to read/write pages when responding to read errors. As we will shortly support changing data_offset for raid10, this function must understand new_data_offset. So add that understanding. Signed-off-by: NeilBrown <neilb@suse.de>
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@ -888,6 +888,10 @@ int sync_page_io(struct md_rdev *rdev, sector_t sector, int size,
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rdev->meta_bdev : rdev->bdev;
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if (metadata_op)
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bio->bi_sector = sector + rdev->sb_start;
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else if (rdev->mddev->reshape_position != MaxSector &&
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(rdev->mddev->reshape_backwards ==
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(sector >= rdev->mddev->reshape_position)))
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bio->bi_sector = sector + rdev->new_data_offset;
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else
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bio->bi_sector = sector + rdev->data_offset;
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bio_add_page(bio, page, size, 0);
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