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-rw-r--r--fs/block_dev.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c
index ae16466a67f7..9558a2f064b1 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1513,6 +1513,8 @@ int bdev_disk_changed(struct block_device *bdev, bool invalidate)
struct gendisk *disk = bdev->bd_disk;
int ret;
+ lockdep_assert_held(&bdev->bd_mutex);
+
rescan:
ret = blk_drop_partitions(disk, bdev);
if (ret)
@@ -1540,6 +1542,11 @@ rescan:
return ret;
}
+/*
+ * Only exported for for loop and dasd for historic reasons. Don't use in new
+ * code!
+ */
+EXPORT_SYMBOL_GPL(bdev_disk_changed);
/*
* bd_mutex locking: