RE: [dm-devel] [PATCH 3/4] dm: convert dm_dev_internal.count from atomic_t to refcount_t

2017-11-28 Thread Reshetova, Elena
> On Fri, Nov 24, 2017 at 2:36 AM, Reshetova, Elena > wrote: > >> On Fri, Oct 20, 2017 at 10:37:38AM +0300, Elena Reshetova wrote: > >> > } else if (dd->dm_dev->mode != (mode | dd->dm_dev->mode)) { > >> > r = upgrade_mode(dd, mode, t->md); > >> > if (r) > >> >

Re: [dm-devel] [PATCH 3/4] dm: convert dm_dev_internal.count from atomic_t to refcount_t

2017-11-24 Thread Mike Snitzer
On Fri, Nov 24, 2017 at 2:36 AM, Reshetova, Elena wrote: >> On Fri, Oct 20, 2017 at 10:37:38AM +0300, Elena Reshetova wrote: >> > } else if (dd->dm_dev->mode != (mode | dd->dm_dev->mode)) { >> > r = upgrade_mode(dd, mode, t->md); >> > if (r) >> > ret

RE: [dm-devel] [PATCH 3/4] dm: convert dm_dev_internal.count from atomic_t to refcount_t

2017-11-23 Thread Reshetova, Elena
> On Fri, Oct 20, 2017 at 10:37:38AM +0300, Elena Reshetova wrote: > > } else if (dd->dm_dev->mode != (mode | dd->dm_dev->mode)) { > > r = upgrade_mode(dd, mode, t->md); > > if (r) > > return r; > > + refcount_inc(&dd->count); > > } > >

Re: [dm-devel] [PATCH 3/4] dm: convert dm_dev_internal.count from atomic_t to refcount_t

2017-11-23 Thread Alasdair G Kergon
On Fri, Oct 20, 2017 at 10:37:38AM +0300, Elena Reshetova wrote: > } else if (dd->dm_dev->mode != (mode | dd->dm_dev->mode)) { > r = upgrade_mode(dd, mode, t->md); > if (r) > return r; > + refcount_inc(&dd->count); > } Missi