On Tue, May 06, 2025 at 11:45:07PM +0000, Jeremy Bongio wrote: > Fixes: 4b2201dad2674 ("fs: stop using bdev->bd_super in mark_buffer_write_io_error") That commit only changed how to find the superblock, but the number of errseq updates did not change. You'll need to go further back to find the original introduction. > if (bh->b_assoc_map) { > mapping_set_error(bh->b_assoc_map, -EIO); > - errseq_set(&bh->b_assoc_map->host->i_sb->s_wb_err, -EIO); > } and please drop the superflous braces here.