diff options
Diffstat (limited to 'fs/btrfs')
| -rw-r--r-- | fs/btrfs/volumes.c | 15 | 
1 files changed, 6 insertions, 9 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index d38065eca7c9..ed685991b2c1 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -674,22 +674,19 @@ static int __btrfs_close_devices(struct btrfs_fs_devices *fs_devices)  		if (device->can_discard)  			fs_devices->num_can_discard--; -		new_device = kmalloc(sizeof(*new_device), GFP_NOFS); -		BUG_ON(!new_device); /* -ENOMEM */ -		memcpy(new_device, device, sizeof(*new_device)); +		new_device = btrfs_alloc_device(NULL, &device->devid, +						device->uuid); +		BUG_ON(IS_ERR(new_device)); /* -ENOMEM */  		/* Safe because we are under uuid_mutex */  		if (device->name) {  			name = rcu_string_strdup(device->name->str, GFP_NOFS); -			BUG_ON(device->name && !name); /* -ENOMEM */ +			BUG_ON(!name); /* -ENOMEM */  			rcu_assign_pointer(new_device->name, name);  		} -		new_device->bdev = NULL; -		new_device->writeable = 0; -		new_device->in_fs_metadata = 0; -		new_device->can_discard = 0; -		spin_lock_init(&new_device->io_lock); +  		list_replace_rcu(&device->dev_list, &new_device->dev_list); +		new_device->fs_devices = device->fs_devices;  		call_rcu(&device->rcu, free_device);  	}  | 

