Hi, The 1st patch fixes kernel panic issue which is caused by not splitting bio. The 2nd patch requets to change the limit as SZ_4K instead of PAGE_SIZE which can be big enough to break some devies. Thanks, Ming Lei (2): block: still try to split bio if the bvec crosses pages block: split bio if the only bvec's length is > SZ_4K block/blk-merge.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) Cc: Christoph Hellwig <hch@xxxxxx> -- 2.20.1
