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);
486 		ret = set_blocksize(*bdev_file, BTRFS_BDEV_BLOCKSIZE);
488 			fput(*bdev_file);
496 		fput(*bdev_file);
504 	*bdev_file = NULL;
647 	struct file *bdev_file;
658 				    &bdev_file, &disk_super);
682 		if (bdev_read_only(file_bdev(bdev_file)))
688 	if (!bdev_nonrot(file_bdev(bdev_file)))
691 	if (bdev_max_discard_sectors(file_bdev(bdev_file)))
694 	device->bdev_file = bdev_file;
695 	device->bdev = file_bdev(bdev_file);
720 	fput(bdev_file);
1033 		if (device->bdev_file) {
1034 			fput(device->bdev_file);
1036 			device->bdev_file = NULL;
1081 	fput(device->bdev_file);
1382 	struct file *bdev_file;
1406 	bdev_file = bdev_file_open_by_path(path, flags, NULL, NULL);
1407 	if (IS_ERR(bdev_file))
1408 		return ERR_CAST(bdev_file);
1411 	ret = btrfs_sb_log_location_bdev(file_bdev(bdev_file), 0, READ, &bytenr);
1417 	disk_super = btrfs_read_disk_super(file_bdev(bdev_file), bytenr,
1424 	devt = file_bdev(bdev_file)->bd_dev;
1443 	fput(bdev_file);
2118 		    struct file **bdev_file)
2227 	if (device->bdev_file) {
2255 	*bdev_file = device->bdev_file;
2391 	struct file *bdev_file;
2409 				    &bdev_file, &disk_super);
2422 	fput(bdev_file);
2642 	struct file *bdev_file;
2655 	bdev_file = bdev_file_open_by_path(device_path, BLK_OPEN_WRITE,
2657 	if (IS_ERR(bdev_file))
2658 		return PTR_ERR(bdev_file);
2660 	if (!btrfs_check_device_zone_type(fs_info, file_bdev(bdev_file))) {
2672 	sync_blockdev(file_bdev(bdev_file));
2676 		if (device->bdev == file_bdev(bdev_file)) {
2692 	device->bdev_file = bdev_file;
2693 	device->bdev = file_bdev(bdev_file);
2720 	set_blocksize(device->bdev_file, BTRFS_BDEV_BLOCKSIZE);
2876 	fput(bdev_file);