fs/btrfs/volumes.c

469 		      int flush, struct file **bdev_file,
475 	*bdev_file = bdev_file_open_by_path(device_path, flags, holder, NULL);
477 	if (IS_ERR(*bdev_file)) {
478 		ret = PTR_ERR(*bdev_file);
481 	bdev = file_bdev(*bdev_file);
487 		fput(*bdev_file);
494 		fput(*bdev_file);
501 	*bdev_file = NULL;
644 	struct file *bdev_file;
655 				    &bdev_file, &disk_super);
679 		if (bdev_read_only(file_bdev(bdev_file)))
685 	if (!bdev_nonrot(file_bdev(bdev_file)))
688 	if (bdev_max_discard_sectors(file_bdev(bdev_file)))
691 	device->bdev_file = bdev_file;
692 	device->bdev = file_bdev(bdev_file);
717 	fput(bdev_file);
1030 		if (device->bdev_file) {
1031 			fput(device->bdev_file);
1033 			device->bdev_file = NULL;
1078 	fput(device->bdev_file);
1379 	struct file *bdev_file;
1403 	bdev_file = bdev_file_open_by_path(path, flags, NULL, NULL);
1404 	if (IS_ERR(bdev_file))
1405 		return ERR_CAST(bdev_file);
1408 	ret = btrfs_sb_log_location_bdev(file_bdev(bdev_file), 0, READ, &bytenr);
1414 	disk_super = btrfs_read_disk_super(file_bdev(bdev_file), bytenr,
1421 	devt = file_bdev(bdev_file)->bd_dev;
1440 	fput(bdev_file);
2115 		    struct file **bdev_file)
2224 	if (device->bdev_file) {
2252 	*bdev_file = device->bdev_file;
2388 	struct file *bdev_file;
2406 				    &bdev_file, &disk_super);
2419 	fput(bdev_file);
2639 	struct file *bdev_file;
2652 	bdev_file = bdev_file_open_by_path(device_path, BLK_OPEN_WRITE,
2654 	if (IS_ERR(bdev_file))
2655 		return PTR_ERR(bdev_file);
2657 	if (!btrfs_check_device_zone_type(fs_info, file_bdev(bdev_file))) {
2669 	sync_blockdev(file_bdev(bdev_file));
2673 		if (device->bdev == file_bdev(bdev_file)) {
2689 	device->bdev_file = bdev_file;
2690 	device->bdev = file_bdev(bdev_file);
2873 	fput(bdev_file);