linux-kernel - Re: [PATCH] lightnvm: pblk: fix chunk close trace event check

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Date:   Mon, 29 Oct 2018 10:56:22 +0100
From:   Hans Holmberg <hans@...tronix.com>
To:     Matias Bjorling <mb@...htnvm.io>
Cc:     linux-block@...r.kernel.org, Javier Gonzalez <javier@...xlabs.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Hans Holmberg <hans.holmberg@...xlabs.com>
Subject: Re: [PATCH] lightnvm: pblk: fix chunk close trace event check

On Fri, Oct 26, 2018 at 8:49 PM Matias Bjørling <mb@...htnvm.io> wrote:
>
> On 10/26/2018 10:12 AM, Hans Holmberg wrote:
> > The check for chunk closes suffers from an off-by-one issue, leading
> > to chunk close events not being traced. Fix this.
> >
> > Fixes: 4c44abf43d00 ("lightnvm: pblk: add trace events for chunk states")
> >
> > Signed-off-by: Hans Holmberg <hans.holmberg@...xlabs.com>
> > ---
> >
> >   drivers/lightnvm/pblk-core.c | 2 +-
> >   1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/lightnvm/pblk-core.c b/drivers/lightnvm/pblk-core.c
> > index 6944aac43b01..6581c35f51ee 100644
> > --- a/drivers/lightnvm/pblk-core.c
> > +++ b/drivers/lightnvm/pblk-core.c
> > @@ -531,7 +531,7 @@ void pblk_check_chunk_state_update(struct pblk *pblk, struct nvm_rq *rqd)
> >               if (caddr == 0)
> >                       trace_pblk_chunk_state(pblk_disk_name(pblk),
> >                                                       ppa, NVM_CHK_ST_OPEN);
> > -             else if (caddr == chunk->cnlb)
> > +             else if (caddr == (chunk->cnlb - 1))
> >                       trace_pblk_chunk_state(pblk_disk_name(pblk),
> >                                                       ppa, NVM_CHK_ST_CLOSED);
> >       }
> >
>
> Thanks Hans, Applied for 4.21/5.1. Note that you're sending from your
> owntronix email account. Checkpatch complains that sender and author
> doesn't match.

Ah, I must have messed up my git configuration.
Would you mind updating the patch author to "Hans Holmberg
<hans.holmberg@...xlabs.com>" in for-4.21/core?

Thanks,
Hans