[PATCH 06/14] zram: cleanup backing_dev_store
From: Christoph Hellwig <hch@lst.de>
Date: 2020-09-17 17:13:08
Also in:
linux-fsdevel, linux-ide, linux-mm, linux-pm, linux-s390, lkml, ocfs2-devel
Subsystem:
block layer, the rest, zram compressed ram block device drvier · Maintainers:
Jens Axboe, Linus Torvalds, Minchan Kim, Sergey Senozhatsky
Use blkdev_get_by_dev instead of bdgrab + blkdev_get. Signed-off-by: Christoph Hellwig <hch@lst.de> --- 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 a356275605b104..91ccfe444525b4 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; }
--
2.28.0