diff options
Diffstat (limited to 'drivers/block/brd.c')
| -rw-r--r-- | drivers/block/brd.c | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/drivers/block/brd.c b/drivers/block/brd.c index 64ab4951e9d6..b9794aeeb878 100644 --- a/drivers/block/brd.c +++ b/drivers/block/brd.c @@ -331,14 +331,12 @@ static void brd_make_request(struct request_queue *q, struct bio *bio) struct bio_vec bvec; sector_t sector; struct bvec_iter iter; - int err = -EIO; sector = bio->bi_iter.bi_sector; if (bio_end_sector(bio) > get_capacity(bdev->bd_disk)) - goto out; + goto io_error; if (unlikely(bio->bi_rw & REQ_DISCARD)) { - err = 0; discard_from_brd(brd, sector, bio->bi_iter.bi_size); goto out; } @@ -349,15 +347,20 @@ static void brd_make_request(struct request_queue *q, struct bio *bio) bio_for_each_segment(bvec, bio, iter) { unsigned int len = bvec.bv_len; + int err; + err = brd_do_bvec(brd, bvec.bv_page, len, bvec.bv_offset, rw, sector); if (err) - break; + goto io_error; sector += len >> SECTOR_SHIFT; } out: - bio_endio(bio, err); + bio_endio(bio); + return; +io_error: + bio_io_error(bio); } static int brd_rw_page(struct block_device *bdev, sector_t sector, @@ -371,7 +374,7 @@ static int brd_rw_page(struct block_device *bdev, sector_t sector, #ifdef CONFIG_BLK_DEV_RAM_DAX static long brd_direct_access(struct block_device *bdev, sector_t sector, - void **kaddr, unsigned long *pfn, long size) + void __pmem **kaddr, unsigned long *pfn) { struct brd_device *brd = bdev->bd_disk->private_data; struct page *page; @@ -381,13 +384,9 @@ static long brd_direct_access(struct block_device *bdev, sector_t sector, page = brd_insert_page(brd, sector); if (!page) return -ENOSPC; - *kaddr = page_address(page); + *kaddr = (void __pmem *)page_address(page); *pfn = page_to_pfn(page); - /* - * TODO: If size > PAGE_SIZE, we could look to see if the next page in - * the file happens to be mapped to the next page of physical RAM. - */ return PAGE_SIZE; } #else @@ -500,7 +499,7 @@ static struct brd_device *brd_alloc(int i) blk_queue_physical_block_size(brd->brd_queue, PAGE_SIZE); brd->brd_queue->limits.discard_granularity = PAGE_SIZE; - brd->brd_queue->limits.max_discard_sectors = UINT_MAX; + 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); |