On Sat, Sep 16, 2017 at 07:10:30AM +0800, Jianchao Wang wrote: > If the bio_integrity_merge_rq() return false or nr_phys_segments exceeds > the max_segments, the merging fails, but the bi_front/back_seg_size may > have been modified. To avoid it, move the sanity checking ahead. > > Signed-off-by: Jianchao Wang <jianchao.w.wang@xxxxxxxxxx> This looks fine to me: Reviewed-by: Christoph Hellwig <hch@xxxxxx> But can you elaborate a little more on how this found and if there is a way to easily reproduce it, say for a blktests test case?
