Since 57c36519e4("dm: fix clone_bio() to trigger blk_recount_segments()") has been reverted by fa8db494("dm: don't use bio_trim() afterall"), the problem that clone bio won't trigger blk_recount_segments will exits again. So just clean the flag in clone_bio. Fixes: fa8db4948f522("dm: don't use bio_trim() afterall") Signed-off-by: yangerkun <yangerkun@xxxxxxxxxx> --- drivers/md/dm.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 515e6af..b22ac04 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -1336,6 +1336,7 @@ static int clone_bio(struct dm_target_io *tio, struct bio *bio, return r; } + bio_clear_flag(clone, BIO_SEG_VALID); bio_advance(clone, to_bytes(sector - clone->bi_iter.bi_sector)); clone->bi_iter.bi_size = to_bytes(len); -- 2.9.5 -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel