[PATCH 06/14] zram: cleanup backing_dev_store
- To: Jens Axboe <axboe@kernel.dk>
- Cc: Josef Bacik <josef@toxicpanda.com>, Minchan Kim <minchan@kernel.org>, Stefan Haberland <sth@linux.ibm.com>, Jan Hoeppner <hoeppner@linux.ibm.com>, Joseph Qi <joseph.qi@linux.alibaba.com>, "Rafael J. Wysocki" <rjw@rjwysocki.net>, Pavel Machek <pavel@ucw.cz>, Len Brown <len.brown@intel.com>, Andrew Morton <akpm@linux-foundation.org>, linux-kernel@vger.kernel.org, nbd@other.debian.org, linux-ide@vger.kernel.org, linux-s390@vger.kernel.org, linux-fsdevel@vger.kernel.org, ocfs2-devel@oss.oracle.com, linux-pm@vger.kernel.org, linux-mm@kvack.org, linux-block@vger.kernel.org
- Subject: [PATCH 06/14] zram: cleanup backing_dev_store
- From: Christoph Hellwig <hch@lst.de>
- Date: Thu, 17 Sep 2020 18:57:12 +0200
- Message-id: <[🔎] 20200917165720.3285256-7-hch@lst.de>
- In-reply-to: <20200917165720.3285256-1-hch@lst.de>
- References: <20200917165720.3285256-1-hch@lst.de>
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
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