diff options
Diffstat (limited to 'drivers/md/dm.c')
| -rw-r--r-- | drivers/md/dm.c | 10 | 
1 files changed, 8 insertions, 2 deletions
| diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 0cf68b478878..41abc6dd481b 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -37,6 +37,8 @@ static const char *_name = DM_NAME;  static unsigned int major = 0;  static unsigned int _major = 0; +static DEFINE_IDR(_minor_idr); +  static DEFINE_SPINLOCK(_minor_lock);  /*   * For bio-based dm. @@ -313,6 +315,12 @@ static void __exit dm_exit(void)  	while (i--)  		_exits[i](); + +	/* +	 * Should be empty by this point. +	 */ +	idr_remove_all(&_minor_idr); +	idr_destroy(&_minor_idr);  }  /* @@ -1705,8 +1713,6 @@ static int dm_any_congested(void *congested_data, int bdi_bits)  /*-----------------------------------------------------------------   * An IDR is used to keep track of allocated minor numbers.   *---------------------------------------------------------------*/ -static DEFINE_IDR(_minor_idr); -  static void free_minor(int minor)  {  	spin_lock(&_minor_lock); | 
