static int __unlock_fs(struct mapped_device *md) 
static void __unlock_fs(struct mapped_device *md) 
static int __unlock_fs(struct mapped_device *md){	if (!test_and_clear_bit(DMF_FS_LOCKED, &md->flags))		return 0;	thaw_bdev(md->frozen_bdev, md->frozen_sb);	bdput(md->frozen_bdev);	md->frozen_sb = NULL;	md->frozen_bdev = NULL;	return 0;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/3dcee8064bd36c547b45514dfd33df4c12695428/dm.c/buggy/drivers/md/dm.c