From: John Dorminy <[email protected]> commit 4cb6f22612511ff2aba4c33fb0f281cae7c23772 upstream.
REQ_OP_FLUSH was being treated as a flag, but the operation part of bio->bi_opf must be treated as a whole. Change to accessing the operation part via bio_op(bio) and checking for equality. Signed-off-by: John Dorminy <[email protected]> Acked-by: Heinz Mauelshagen <[email protected]> Fixes: d3c7b35c20d60 ("dm: add emulated block size target") Cc: [email protected] Signed-off-by: Mike Snitzer <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/md/dm-ebs-target.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/md/dm-ebs-target.c +++ b/drivers/md/dm-ebs-target.c @@ -363,7 +363,7 @@ static int ebs_map(struct dm_target *ti, bio_set_dev(bio, ec->dev->bdev); bio->bi_iter.bi_sector = ec->start + dm_target_offset(ti, bio->bi_iter.bi_sector); - if (unlikely(bio->bi_opf & REQ_OP_FLUSH)) + if (unlikely(bio_op(bio) == REQ_OP_FLUSH)) return DM_MAPIO_REMAPPED; /* * Only queue for bufio processing in case of partial or overlapping buffers
