From 0fc66c9d63143f9437cd57cf5eab50a258fa40ec Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Mon, 21 Sep 2020 09:19:50 +0200 Subject: [PATCH] zram: cleanup backing_dev_store Use blkdev_get_by_dev instead of bdgrab + blkdev_get. Signed-off-by: Christoph Hellwig Signed-off-by: Jens Axboe --- drivers/block/zram/zram_drv.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index a356275605b1..91ccfe444525 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -491,9 +491,10 @@ static ssize_t backing_dev_store(struct device *dev, goto out; } - bdev = bdgrab(I_BDEV(inode)); - err = blkdev_get(bdev, FMODE_READ | FMODE_WRITE | FMODE_EXCL, zram); - if (err < 0) { + bdev = blkdev_get_by_dev(inode->i_rdev, + FMODE_READ | FMODE_WRITE | FMODE_EXCL, zram); + if (IS_ERR(bdev)) { + err = PTR_ERR(bdev); bdev = NULL; goto out; } -- 2.20.1