Merge tag 'libnvdimm-for-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm...

[mirror_ubuntu-artful-kernel.git] / drivers / block / brd.c

diff --git a/drivers/block/brd.c b/drivers/block/brd.c
index 5f1fe4e6208d749e0999525b2d5db0bfee5fc65d..3022dad240719138d0a0aca0f7b6a7d2486f862a 100644 (file)
--- a/drivers/block/brd.c
+++ b/drivers/block/brd.c
@@ -339,7 +339,7 @@ static blk_qc_t brd_make_request(struct request_queue *q, struct bio *bio)
        if (bio_end_sector(bio) > get_capacity(bdev->bd_disk))
                goto io_error;
 
-       if (unlikely(bio->bi_rw & REQ_DISCARD)) {
+       if (unlikely(bio_op(bio) == REQ_OP_DISCARD)) {
                if (sector & ((PAGE_SIZE >> SECTOR_SHIFT) - 1) ||
                    bio->bi_iter.bi_size & ~PAGE_MASK)
                        goto io_error;
@@ -347,9 +347,7 @@ static blk_qc_t brd_make_request(struct request_queue *q, struct bio *bio)
                goto out;
        }
 
-       rw = bio_rw(bio);
-       if (rw == READA)
-               rw = READ;
+       rw = bio_data_dir(bio);
 
        bio_for_each_segment(bvec, bio, iter) {
                unsigned int len = bvec.bv_len;
@@ -509,7 +507,9 @@ static struct brd_device *brd_alloc(int i)
        blk_queue_max_discard_sectors(brd->brd_queue, UINT_MAX);
        brd->brd_queue->limits.discard_zeroes_data = 1;
        queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, brd->brd_queue);
-
+#ifdef CONFIG_BLK_DEV_RAM_DAX
+       queue_flag_set_unlocked(QUEUE_FLAG_DAX, brd->brd_queue);
+#endif
        disk = brd->brd_disk = alloc_disk(max_part);
        if (!disk)
                goto out_free_queue;