s390/pci: add missing address space annotation

[mirror_ubuntu-artful-kernel.git] / fs / block_dev.c

diff --git a/fs/block_dev.c b/fs/block_dev.c
index 1d9c9f3754f860b2f9ca19a61d1e89d3eaa9c47c..b48c41bf0f86755200808c1b33a82ce6c8066d71 100644 (file)
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -235,7 +235,10 @@ struct super_block *freeze_bdev(struct block_device *bdev)
        sb = get_active_super(bdev);
        if (!sb)
                goto out;
-       error = freeze_super(sb);
+       if (sb->s_op->freeze_super)
+               error = sb->s_op->freeze_super(sb);
+       else
+               error = freeze_super(sb);
        if (error) {
                deactivate_super(sb);
                bdev->bd_fsfreeze_count--;
@@ -272,7 +275,10 @@ int thaw_bdev(struct block_device *bdev, struct super_block *sb)
        if (!sb)
                goto out;
 
-       error = thaw_super(sb);
+       if (sb->s_op->thaw_super)
+               error = sb->s_op->thaw_super(sb);
+       else
+               error = thaw_super(sb);
        if (error) {
                bdev->bd_fsfreeze_count++;
                mutex_unlock(&bdev->bd_fsfreeze_mutex);