diff options
Diffstat (limited to 'fs/btrfs/volumes.c')
| -rw-r--r-- | fs/btrfs/volumes.c | 27 | 
1 files changed, 19 insertions, 8 deletions
| diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 51f125508771..035efce603a9 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -834,10 +834,6 @@ static void __free_device(struct work_struct *work)  	struct btrfs_device *device;  	device = container_of(work, struct btrfs_device, rcu_work); - -	if (device->bdev) -		blkdev_put(device->bdev, device->mode); -  	rcu_string_free(device->name);  	kfree(device);  } @@ -852,6 +848,17 @@ static void free_device(struct rcu_head *head)  	schedule_work(&device->rcu_work);  } +static void btrfs_close_bdev(struct btrfs_device *device) +{ +	if (device->bdev && device->writeable) { +		sync_blockdev(device->bdev); +		invalidate_bdev(device->bdev); +	} + +	if (device->bdev) +		blkdev_put(device->bdev, device->mode); +} +  static void btrfs_close_one_device(struct btrfs_device *device)  {  	struct btrfs_fs_devices *fs_devices = device->fs_devices; @@ -870,10 +877,7 @@ static void btrfs_close_one_device(struct btrfs_device *device)  	if (device->missing)  		fs_devices->missing_devices--; -	if (device->bdev && device->writeable) { -		sync_blockdev(device->bdev); -		invalidate_bdev(device->bdev); -	} +	btrfs_close_bdev(device);  	new_device = btrfs_alloc_device(NULL, &device->devid,  					device->uuid); @@ -1932,6 +1936,8 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path, u64 devid)  		btrfs_sysfs_rm_device_link(root->fs_info->fs_devices, device);  	} +	btrfs_close_bdev(device); +  	call_rcu(&device->rcu, free_device);  	num_devices = btrfs_super_num_devices(root->fs_info->super_copy) - 1; @@ -2025,6 +2031,9 @@ void btrfs_rm_dev_replace_free_srcdev(struct btrfs_fs_info *fs_info,  		/* zero out the old super if it is writable */  		btrfs_scratch_superblocks(srcdev->bdev, srcdev->name->str);  	} + +	btrfs_close_bdev(srcdev); +  	call_rcu(&srcdev->rcu, free_device);  	/* @@ -2080,6 +2089,8 @@ void btrfs_destroy_dev_replace_tgtdev(struct btrfs_fs_info *fs_info,  	 * the device_list_mutex lock.  	 */  	btrfs_scratch_superblocks(tgtdev->bdev, tgtdev->name->str); + +	btrfs_close_bdev(tgtdev);  	call_rcu(&tgtdev->rcu, free_device);  } |