diff mbox series

[10/14] mm: cleanup claim_swapfile

Message ID 20200921071958.307589-11-hch@lst.de
State Not Applicable
Delegated to: David Miller
Headers show
Series [01/14] block: move the NEED_PART_SCAN flag to struct gendisk | expand

Commit Message

Christoph Hellwig Sept. 21, 2020, 7:19 a.m. UTC 
Use blkdev_get_by_dev instead of bdgrab + blkdev_get.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 mm/swapfile.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/mm/swapfile.c b/mm/swapfile.c
index 12f59e641b5e29..7438c4affc75fa 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -2920,10 +2920,10 @@  static int claim_swapfile(struct swap_info_struct *p, struct inode *inode)
 	int error;
 
 	if (S_ISBLK(inode->i_mode)) {
-		p->bdev = bdgrab(I_BDEV(inode));
-		error = blkdev_get(p->bdev,
+		p->bdev = blkdev_get_by_dev(inode->i_rdev,
 				   FMODE_READ | FMODE_WRITE | FMODE_EXCL, p);
-		if (error < 0) {
+		if (IS_ERR(p->bdev)) {
+			error = PTR_ERR(p->bdev);
 			p->bdev = NULL;
 			return error;
 		}