Because call bio_alloc, the bi_rw is zero by default,but in bio_add_page used the bi_rw. So evalue bi_rw. Signed-off-by: Jianpeng Ma <majianpeng@xxxxxxxxx> --- fs/direct-io.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/direct-io.c b/fs/direct-io.c index 1faf4cb..77f0bbf 100644 --- a/fs/direct-io.c +++ b/fs/direct-io.c @@ -349,6 +349,7 @@ dio_bio_alloc(struct dio *dio, struct dio_submit *sdio, bio->bi_bdev = bdev; bio->bi_sector = first_sector; + bio->bi_rw = dio->rw; if (dio->is_async) bio->bi_end_io = dio_bio_end_aio; else -- 1.7.9.5 _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs