163 static struct btrfs_fs_devices *alloc_fs_devices(const u8 *fsid)  in alloc_fs_devices()  argument
171 	if (fsid)  in alloc_fs_devices()
172 		memcpy(fs_devs->fsid, fsid, BTRFS_FSID_SIZE);  in alloc_fs_devices()
174 		generate_random_uuid(fs_devs->fsid);  in alloc_fs_devices()
256 static noinline struct btrfs_fs_devices *find_fsid(u8 *fsid)  in find_fsid()  argument
261 		if (memcmp(fsid, fs_devices->fsid, BTRFS_FSID_SIZE) == 0)  in find_fsid()
600 	fs_devices = find_fsid(disk_super->fsid);  in device_list_add()
602 		fs_devices = alloc_fs_devices(disk_super->fsid);  in device_list_add()
714 	fs_devices = alloc_fs_devices(orig->fsid);  in clone_fs_devices()
1065 			printk(KERN_INFO "BTRFS: device fsid %pU ", disk_super->fsid);  in btrfs_scan_one_device()
1624 	write_extent_buffer(leaf, root->fs_info->fsid, ptr, BTRFS_UUID_SIZE);  in btrfs_add_device()
1781 					   disk_super->fsid);  in btrfs_rm_device()
2065 				    disk_super->fsid);  in btrfs_find_device_by_path()
2154 	generate_random_uuid(fs_devices->fsid);  in btrfs_prepare_sprout()
2155 	memcpy(root->fs_info->fsid, fs_devices->fsid, BTRFS_FSID_SIZE);  in btrfs_prepare_sprout()
2156 	memcpy(disk_super->fsid, fs_devices->fsid, BTRFS_FSID_SIZE);  in btrfs_prepare_sprout()
2400 						root->fs_info->fsid);  in btrfs_init_new_device()
6103 				       u8 *uuid, u8 *fsid)  in btrfs_find_device()  argument
6110 		if (!fsid ||  in btrfs_find_device()
6111 		    !memcmp(cur_devices->fsid, fsid, BTRFS_UUID_SIZE)) {  in btrfs_find_device()
6308 						  u8 *fsid)  in open_seed_devices()  argument
6317 		if (!memcmp(fs_devices->fsid, fsid, BTRFS_UUID_SIZE))  in open_seed_devices()
6323 	fs_devices = find_fsid(fsid);  in open_seed_devices()
6328 		fs_devices = alloc_fs_devices(fsid);  in open_seed_devices()
6379 	if (memcmp(fs_uuid, root->fs_info->fsid, BTRFS_UUID_SIZE)) {  in read_one_dev()