block: copy ioprio in __bio_clone_fast() and bounce
authorHannes Reinecke <hare@suse.com>
Mon, 12 Nov 2018 17:35:25 +0000 (10:35 -0700)
committerJens Axboe <axboe@kernel.dk>
Mon, 12 Nov 2018 17:35:25 +0000 (10:35 -0700)
We need to copy the io priority, too; otherwise the clone will run
with a different priority than the original one.

Fixes: 43b62ce3ff0a ("block: move bio io prio to a new field")
Signed-off-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Fixed up subject, and ordered stores.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
block/bio.c
block/bounce.c

index a50d59236b1976439e691bc0f22da002eedfd0a9..4f4d9884443b63a8f002ddd754ea467f9a0e4c16 100644 (file)
@@ -605,6 +605,7 @@ void __bio_clone_fast(struct bio *bio, struct bio *bio_src)
        if (bio_flagged(bio_src, BIO_THROTTLED))
                bio_set_flag(bio, BIO_THROTTLED);
        bio->bi_opf = bio_src->bi_opf;
+       bio->bi_ioprio = bio_src->bi_ioprio;
        bio->bi_write_hint = bio_src->bi_write_hint;
        bio->bi_iter = bio_src->bi_iter;
        bio->bi_io_vec = bio_src->bi_io_vec;
index 36869afc258ccf6ea609e0e74db6cea56e6d2c34..559c55bda040e2da3d2ec1bc66dacb6e7f02b829 100644 (file)
@@ -248,6 +248,7 @@ static struct bio *bounce_clone_bio(struct bio *bio_src, gfp_t gfp_mask,
                return NULL;
        bio->bi_disk            = bio_src->bi_disk;
        bio->bi_opf             = bio_src->bi_opf;
+       bio->bi_ioprio          = bio_src->bi_ioprio;
        bio->bi_write_hint      = bio_src->bi_write_hint;
        bio->bi_iter.bi_sector  = bio_src->bi_iter.bi_sector;
        bio->bi_iter.bi_size    = bio_src->bi_iter.bi_size;