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-rw-r--r--mm/page_io.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/mm/page_io.c b/mm/page_io.c
index b6c4ac388209..9cf1bc751d79 100644
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -31,7 +31,10 @@ static struct bio *get_swap_bio(gfp_t gfp_flags,
bio = bio_alloc(gfp_flags, 1);
if (bio) {
- bio->bi_iter.bi_sector = map_swap_page(page, &bio->bi_bdev);
+ struct block_device *bdev;
+
+ bio->bi_iter.bi_sector = map_swap_page(page, &bdev);
+ bio_set_dev(bio, bdev);
bio->bi_iter.bi_sector <<= PAGE_SHIFT - 9;
bio->bi_end_io = end_io;
@@ -57,8 +60,7 @@ void end_swap_bio_write(struct bio *bio)
*/
set_page_dirty(page);
pr_alert("Write-error on swap-device (%u:%u:%llu)\n",
- imajor(bio->bi_bdev->bd_inode),
- iminor(bio->bi_bdev->bd_inode),
+ MAJOR(bio_dev(bio)), MINOR(bio_dev(bio)),
(unsigned long long)bio->bi_iter.bi_sector);
ClearPageReclaim(page);
}
@@ -123,8 +125,7 @@ static void end_swap_bio_read(struct bio *bio)
SetPageError(page);
ClearPageUptodate(page);
pr_alert("Read-error on swap-device (%u:%u:%llu)\n",
- imajor(bio->bi_bdev->bd_inode),
- iminor(bio->bi_bdev->bd_inode),
+ MAJOR(bio_dev(bio)), MINOR(bio_dev(bio)),
(unsigned long long)bio->bi_iter.bi_sector);
goto out;
}
@@ -338,7 +339,7 @@ int swap_readpage(struct page *page, bool do_poll)
int ret = 0;
struct swap_info_struct *sis = page_swap_info(page);
blk_qc_t qc;
- struct block_device *bdev;
+ struct gendisk *disk;
VM_BUG_ON_PAGE(!PageSwapCache(page), page);
VM_BUG_ON_PAGE(!PageLocked(page), page);
@@ -377,7 +378,7 @@ int swap_readpage(struct page *page, bool do_poll)
ret = -ENOMEM;
goto out;
}
- bdev = bio->bi_bdev;
+ disk = bio->bi_disk;
bio->bi_private = current;
bio_set_op_attrs(bio, REQ_OP_READ, 0);
count_vm_event(PSWPIN);
@@ -388,7 +389,7 @@ int swap_readpage(struct page *page, bool do_poll)
if (!READ_ONCE(bio->bi_private))
break;
- if (!blk_mq_poll(bdev_get_queue(bdev), qc))
+ if (!blk_mq_poll(disk->queue, qc))
break;
}
__set_current_state(TASK_RUNNING);