diff options
Diffstat (limited to 'block/blk-map.c')
| -rw-r--r-- | block/blk-map.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/block/blk-map.c b/block/blk-map.c index 34735626b00f..19940c978c73 100644 --- a/block/blk-map.c +++ b/block/blk-map.c @@ -267,6 +267,7 @@ static int bio_map_user_iov(struct request *rq, struct iov_iter *iter, { unsigned int max_sectors = queue_max_hw_sectors(rq->q); unsigned int nr_vecs = iov_iter_npages(iter, BIO_MAX_VECS); + unsigned int gup_flags = 0; struct bio *bio; int ret; int j; @@ -278,6 +279,9 @@ static int bio_map_user_iov(struct request *rq, struct iov_iter *iter, if (bio == NULL) return -ENOMEM; + if (blk_queue_pci_p2pdma(rq->q)) + gup_flags |= FOLL_PCI_P2PDMA; + while (iov_iter_count(iter)) { struct page **pages, *stack_pages[UIO_FASTIOV]; ssize_t bytes; @@ -286,11 +290,11 @@ static int bio_map_user_iov(struct request *rq, struct iov_iter *iter, if (nr_vecs <= ARRAY_SIZE(stack_pages)) { pages = stack_pages; - bytes = iov_iter_get_pages2(iter, pages, LONG_MAX, - nr_vecs, &offs); + bytes = iov_iter_get_pages(iter, pages, LONG_MAX, + nr_vecs, &offs, gup_flags); } else { - bytes = iov_iter_get_pages_alloc2(iter, &pages, - LONG_MAX, &offs); + bytes = iov_iter_get_pages_alloc(iter, &pages, + LONG_MAX, &offs, gup_flags); } if (unlikely(bytes <= 0)) { ret = bytes ? bytes : -EFAULT; @@ -555,7 +559,7 @@ static int blk_rq_map_user_bvec(struct request *rq, const struct iov_iter *iter) size_t nr_iter = iov_iter_count(iter); size_t nr_segs = iter->nr_segs; struct bio_vec *bvecs, *bvprvp = NULL; - struct queue_limits *lim = &q->limits; + const struct queue_limits *lim = &q->limits; unsigned int nsegs = 0, bytes = 0; struct bio *bio; size_t i; |