loop: use set_disk_ro

Use set_disk_ro instead of set_device_ro to match all other block
drivers and to ensure all partitions mirror the read-only flag.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index a58084c..027f572 100644 (file)
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -1138,7 +1138,7 @@ static int loop_configure(struct loop_device *lo, fmode_t mode,
        if (error)
                goto out_unlock;
 
-       set_device_ro(bdev, (lo->lo_flags & LO_FLAGS_READ_ONLY) != 0);
+       set_disk_ro(lo->lo_disk, (lo->lo_flags & LO_FLAGS_READ_ONLY) != 0);
 
        lo->use_dio = lo->lo_flags & LO_FLAGS_DIRECT_IO;
        lo->lo_device = bdev;