[PATCH 10/14] mm: cleanup claim_swapfile

Christoph Hellwig
2020-09-21T07:20:16Z

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 --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;
}
--
2.28.0