RE: [PATCH 10/29] drivers, md: convert stripe_head.count from atomic_t to refcount_t

2017-03-08 Thread Reshetova, Elena
> On Mon, Mar 06, 2017 at 04:20:57PM +0200, Elena Reshetova wrote: > > refcount_t type and corresponding API should be > > used instead of atomic_t when the variable is used as > > a reference counter. This allows to avoid accidental > > refcounter overflows that might lead to use-after-free > > si

Re: [PATCH 10/29] drivers, md: convert stripe_head.count from atomic_t to refcount_t

2017-03-07 Thread Shaohua Li
On Mon, Mar 06, 2017 at 04:20:57PM +0200, Elena Reshetova wrote: > refcount_t type and corresponding API should be > used instead of atomic_t when the variable is used as > a reference counter. This allows to avoid accidental > refcounter overflows that might lead to use-after-free > situations. >