Re: [PATCH 12/15] lightnvn: pblk: use generic address format
From: Javier GonzÃlez
Date: Thu Mar 01 2018 - 06:05:42 EST
> On 1 Mar 2018, at 11.41, Matias BjÃrling <mb@xxxxxxxxxxx> wrote:
>
> On 02/28/2018 04:49 PM, Javier GonzÃlez wrote:
>> Use the generic address format on common address manipulations.
>> Signed-off-by: Javier GonzÃlez <javier@xxxxxxxxxxxx>
>> ---
>> drivers/lightnvm/pblk-core.c | 10 +++++-----
>> drivers/lightnvm/pblk-map.c | 4 ++--
>> drivers/lightnvm/pblk-sysfs.c | 4 ++--
>> drivers/lightnvm/pblk.h | 4 ++--
>> 4 files changed, 11 insertions(+), 11 deletions(-)
>> diff --git a/drivers/lightnvm/pblk-core.c b/drivers/lightnvm/pblk-core.c
>> index 7d0bd33f11d9..2e10b18b61e3 100644
>> --- a/drivers/lightnvm/pblk-core.c
>> +++ b/drivers/lightnvm/pblk-core.c
>> @@ -885,7 +885,7 @@ int pblk_line_erase(struct pblk *pblk, struct pblk_line *line)
>> }
>> ppa = pblk->luns[bit].bppa; /* set ch and lun */
>> - ppa.g.blk = line->id;
>> + ppa.a.blk = line->id;
>> atomic_dec(&line->left_eblks);
>> WARN_ON(test_and_set_bit(bit, line->erase_bitmap));
>> @@ -1686,8 +1686,8 @@ static void __pblk_down_page(struct pblk *pblk, struct ppa_addr *ppa_list,
>> int i;
>> for (i = 1; i < nr_ppas; i++)
>> - WARN_ON(ppa_list[0].g.lun != ppa_list[i].g.lun ||
>> - ppa_list[0].g.ch != ppa_list[i].g.ch);
>> + WARN_ON(ppa_list[0].a.lun != ppa_list[i].a.lun ||
>> + ppa_list[0].a.ch != ppa_list[i].a.ch);
>> #endif
>> ret = down_timeout(&rlun->wr_sem, msecs_to_jiffies(30000));
>> @@ -1731,8 +1731,8 @@ void pblk_up_page(struct pblk *pblk, struct ppa_addr *ppa_list, int nr_ppas)
>> int i;
>> for (i = 1; i < nr_ppas; i++)
>> - WARN_ON(ppa_list[0].g.lun != ppa_list[i].g.lun ||
>> - ppa_list[0].g.ch != ppa_list[i].g.ch);
>> + WARN_ON(ppa_list[0].a.lun != ppa_list[i].a.lun ||
>> + ppa_list[0].a.ch != ppa_list[i].a.ch);
>> #endif
>> rlun = &pblk->luns[pos];
>> diff --git a/drivers/lightnvm/pblk-map.c b/drivers/lightnvm/pblk-map.c
>> index 04e08d76ea5f..20dbaa89c9df 100644
>> --- a/drivers/lightnvm/pblk-map.c
>> +++ b/drivers/lightnvm/pblk-map.c
>> @@ -127,7 +127,7 @@ void pblk_map_erase_rq(struct pblk *pblk, struct nvm_rq *rqd,
>> atomic_dec(&e_line->left_eblks);
>> *erase_ppa = rqd->ppa_list[i];
>> - erase_ppa->g.blk = e_line->id;
>> + erase_ppa->a.blk = e_line->id;
>> spin_unlock(&e_line->lock);
>> @@ -168,6 +168,6 @@ void pblk_map_erase_rq(struct pblk *pblk, struct nvm_rq *rqd,
>> set_bit(bit, e_line->erase_bitmap);
>> atomic_dec(&e_line->left_eblks);
>> *erase_ppa = pblk->luns[bit].bppa; /* set ch and lun */
>> - erase_ppa->g.blk = e_line->id;
>> + erase_ppa->a.blk = e_line->id;
>> }
>> }
>> diff --git a/drivers/lightnvm/pblk-sysfs.c b/drivers/lightnvm/pblk-sysfs.c
>> index cbb5b6edb7bf..a643dc623731 100644
>> --- a/drivers/lightnvm/pblk-sysfs.c
>> +++ b/drivers/lightnvm/pblk-sysfs.c
>> @@ -39,8 +39,8 @@ static ssize_t pblk_sysfs_luns_show(struct pblk *pblk, char *page)
>> sz += snprintf(page + sz, PAGE_SIZE - sz,
>> "pblk: pos:%d, ch:%d, lun:%d - %d\n",
>> i,
>> - rlun->bppa.g.ch,
>> - rlun->bppa.g.lun,
>> + rlun->bppa.a.ch,
>> + rlun->bppa.a.lun,
>> active);
>> }
>> diff --git a/drivers/lightnvm/pblk.h b/drivers/lightnvm/pblk.h
>> index dd0089fe62b9..6ac64d9eb57e 100644
>> --- a/drivers/lightnvm/pblk.h
>> +++ b/drivers/lightnvm/pblk.h
>> @@ -936,12 +936,12 @@ static inline int pblk_pad_distance(struct pblk *pblk)
>> static inline int pblk_ppa_to_line(struct ppa_addr p)
>> {
>> - return p.g.blk;
>> + return p.a.blk;
>> }
>> static inline int pblk_ppa_to_pos(struct nvm_geo *geo, struct ppa_addr p)
>> {
>> - return p.g.lun * geo->num_ch + p.g.ch;
>> + return p.a.lun * geo->num_ch + p.a.ch;
>> }
>> static inline struct ppa_addr addr_to_gen_ppa(struct pblk *pblk, u64 paddr,
>
> Would it make sense to merge this with 7/15?
Sure. I've tried to decouple pblk and lightnvm core patches, but they
can go together. I'll merge in V5.
Javier
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