zram: replace fsync_bdev with sync_blockdev

When calling fsync_bdev(), zram driver guarantees that the bdev won't be
opened by anyone, then there can't be one active fs/superblock over the
zram bdev, so replace fsync_bdev with sync_blockdev.

Reviewed-by: Luis Chamberlain <mcgrof@kernel.org>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Link: https://lore.kernel.org/r/20211025025426.2815424-5-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 2dfa3a396c7ce1a14553380dc0ad49cad2f52e08..edc6bd6405591940a0f2d98f8b77d3df3384e6b8 100644 (file)
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -1790,7 +1790,7 @@ static ssize_t reset_store(struct device *dev,
        mutex_unlock(&bdev->bd_disk->open_mutex);
 
        /* Make sure all the pending I/O are finished */
-       fsync_bdev(bdev);
+       sync_blockdev(bdev);
        zram_reset_device(zram);
 
        mutex_lock(&bdev->bd_disk->open_mutex);
@@ -1995,7 +1995,7 @@ static int zram_remove(struct zram *zram)
                ;
        } else {
                /* Make sure all the pending I/O are finished */
-               fsync_bdev(bdev);
+               sync_blockdev(bdev);
                zram_reset_device(zram);
        }