> Hello.
>
> On 03/06/2017 05:20 PM, 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
> > situa
> On 03/06/2017 03:21 PM, 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.
>
> The
> Hi Elena,
>
> On Mon, Mar 06, 2017 at 04:20:59PM +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-a
> Hi Elena,
>
> On Mon, Mar 06, 2017 at 04:21:00PM +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-af
> 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
> On Mon, Mar 06, 2017 at 04:20:55PM +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
> From: kbuild test robot
>
> Remove .owner field if calls are used which set it automatically
>
> Generated by: scripts/coccinelle/api/platform_no_drv_owner.cocci
>
> Fixes: 26e2aa63d568 ("ZEN: Add VHBA driver")
> Signed-off-by: kbuild test robot
> Signed-off-by: Julia Lawall
>
> ---
>
>
> Subject: Re: [PATCH 0/5] v3 block subsystem refcounter conversions
>
> On Tue, Jun 27, 2017 at 6:26 AM, Jens Axboe wrote:
> > On 06/27/2017 05:39 AM, Elena Reshetova wrote:
> >> Changes in v3:
> >> No changes in patches apart from trivial rebases, but now by
> >> default refcount_t = atomic_t
> On 06/28/2017 05:58 AM, Reshetova, Elena wrote:
> >
> >> Subject: Re: [PATCH 0/5] v3 block subsystem refcounter conversions
> >>
> >> On Tue, Jun 27, 2017 at 6:26 AM, Jens Axboe wrote:
> >>> On 06/27/2017 05:39 AM, Elena Reshetova wrote:
> >
> On 03/06/2017 09:21 AM, 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.
> >
> >
> On 03/06/2017 03:21 PM, 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.
>
> The
> On Mon, Mar 06, 2017 at 04:21:09PM +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
> On 03/08/2017 08:49 AM, Reshetova, Elena wrote:
> >> On 03/06/2017 09:21 AM, 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.
> On 03/09/2017 08:18 AM, Reshetova, Elena wrote:
> >> On Mon, Mar 06, 2017 at 04:21:09PM +0200, Elena Reshetova wrote:
> >>> refcount_t type and corresponding API should be
> >>> used instead of atomic_t when the variable is used as
> >>> a re
> Elena Reshetova writes:
>
> > 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.
> >
> > Signed-off-by: Elen
> On Tue, 2017-03-14 at 12:29 +0000, Reshetova, Elena wrote:
> > > Elena Reshetova writes:
> > >
> > > > refcount_t type and corresponding API should be
> > > > used instead of atomic_t when the variable is used as
> > > > a reference co
> All the objections from DaveM on the amount of cycles spent on the
> new refcount_t apply to the block layer fast path operations as well.
Ok, could you please indicate the correct way to measure the impact for the
block layer?
We can do the measurements.
Best Regards,
Elena.
>
> Please d
> Hi Elena,
>
> On Thu, Apr 20, 2017 at 04:10:16PM +, Reshetova, Elena wrote:
> >
> > > All the objections from DaveM on the amount of cycles spent on the
> > > new refcount_t apply to the block layer fast path operations as well.
> >
> > Ok,
> Elena Reshetova writes:
> > Elena Reshetova (6):
> > block: convert bio.__bi_cnt from atomic_t to refcount_t
> > block: convert blk_queue_tag.refcnt from atomic_t to refcount_t
> > block: convert blkcg_gq.refcnt from atomic_t to refcount_t
> > block: convert io_context.active_ref from a
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