linux-kernel - Re: [PATCH 10/20] lightnvm: pblk: rename ppaf* to addrf*

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Message-ID: <c84400a8-c53f-9f3f-781f-429dc97ec743@lightnvm.io>
Date:   Thu, 22 Feb 2018 08:47:57 +0100
From:   Matias Bjørling <mb@...htnvm.io>
To:     Javier González <jg@...htnvm.io>
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-nvme@...ts.infradead.org,
        Javier González <javier@...xlabs.com>
Subject: Re: [PATCH 10/20] lightnvm: pblk: rename ppaf* to addrf*

On 02/21/2018 10:26 AM, Javier González wrote:
> In preparation for 2.0 support in pblk, rename variables referring to
> the address format to addrf and reserve ppaf for the 1.2 path.
> 
> Signed-off-by: Javier González <javier@...xlabs.com>
> ---
>   drivers/lightnvm/pblk-init.c  |  8 ++++----
>   drivers/lightnvm/pblk-sysfs.c |  4 ++--
>   drivers/lightnvm/pblk.h       | 16 ++++++++--------
>   3 files changed, 14 insertions(+), 14 deletions(-)
> 
> diff --git a/drivers/lightnvm/pblk-init.c b/drivers/lightnvm/pblk-init.c
> index 6bf51ef8f516..56b4afc27add 100644
> --- a/drivers/lightnvm/pblk-init.c
> +++ b/drivers/lightnvm/pblk-init.c
> @@ -80,7 +80,7 @@ static size_t pblk_trans_map_size(struct pblk *pblk)
>   {
>   	int entry_size = 8;
>   
> -	if (pblk->ppaf_bitsize < 32)
> +	if (pblk->addrf_len < 32)
>   		entry_size = 4;
>   
>   	return entry_size * pblk->rl.nr_secs;
> @@ -198,7 +198,7 @@ static int pblk_set_addrf_12(struct nvm_geo *geo,
>   	return dst->blk_offset + src->blk_len;
>   }
>   
> -static int pblk_set_ppaf(struct pblk *pblk)
> +static int pblk_set_addrf(struct pblk *pblk)
>   {
>   	struct nvm_tgt_dev *dev = pblk->dev;
>   	struct nvm_geo *geo = &dev->geo;
> @@ -210,7 +210,7 @@ static int pblk_set_ppaf(struct pblk *pblk)
>   		return -EINVAL;
>   	}
>   
> -	pblk->ppaf_bitsize = pblk_set_addrf_12(geo, (void *)&pblk->ppaf);
> +	pblk->addrf_len = pblk_set_addrf_12(geo, (void *)&pblk->addrf);
>   
>   	return 0;
>   }
> @@ -319,7 +319,7 @@ static int pblk_core_init(struct pblk *pblk)
>   	if (!pblk->r_end_wq)
>   		goto free_bb_wq;
>   
> -	if (pblk_set_ppaf(pblk))
> +	if (pblk_set_addrf(pblk))
>   		goto free_r_end_wq;
>   
>   	if (pblk_rwb_init(pblk))
> diff --git a/drivers/lightnvm/pblk-sysfs.c b/drivers/lightnvm/pblk-sysfs.c
> index 81288aa9162a..d3b50741b691 100644
> --- a/drivers/lightnvm/pblk-sysfs.c
> +++ b/drivers/lightnvm/pblk-sysfs.c
> @@ -117,12 +117,12 @@ static ssize_t pblk_sysfs_ppaf(struct pblk *pblk, char *page)
>   	struct nvm_addr_format_12 *geo_ppaf;
>   	ssize_t sz = 0;
>   
> -	ppaf = (struct nvm_addr_format_12 *)&pblk->ppaf;
> +	ppaf = (struct nvm_addr_format_12 *)&pblk->addrf;
>   	geo_ppaf = (struct nvm_addr_format_12 *)&geo->c.addrf;
>   
>   	sz = snprintf(page, PAGE_SIZE,
>   		"pblk:(s:%d)ch:%d/%d,lun:%d/%d,blk:%d/%d,pg:%d/%d,pl:%d/%d,sec:%d/%d\n",
> -			pblk->ppaf_bitsize,
> +			pblk->addrf_len,
>   			ppaf->ch_offset, ppaf->ch_len,
>   			ppaf->lun_offset, ppaf->lun_len,
>   			ppaf->blk_offset, ppaf->blk_len,
> diff --git a/drivers/lightnvm/pblk.h b/drivers/lightnvm/pblk.h
> index 4f7a365436f1..46b29a492f74 100644
> --- a/drivers/lightnvm/pblk.h
> +++ b/drivers/lightnvm/pblk.h
> @@ -570,8 +570,8 @@ struct pblk {
>   	struct pblk_line_mgmt l_mg;		/* Line management */
>   	struct pblk_line_meta lm;		/* Line metadata */
>   
> -	struct nvm_addr_format ppaf;
> -	int ppaf_bitsize;
> +	struct nvm_addr_format addrf;
> +	int addrf_len;
>   
>   	struct pblk_rb rwb;
>   
> @@ -948,7 +948,7 @@ static inline struct ppa_addr addr_to_gen_ppa(struct pblk *pblk, u64 paddr,
>   					      u64 line_id)
>   {
>   	struct nvm_addr_format_12 *ppaf =
> -				(struct nvm_addr_format_12 *)&pblk->ppaf;
> +				(struct nvm_addr_format_12 *)&pblk->addrf;
>   	struct ppa_addr ppa;
>   
>   	ppa.ppa = 0;
> @@ -966,7 +966,7 @@ static inline u64 pblk_dev_ppa_to_line_addr(struct pblk *pblk,
>   							struct ppa_addr p)
>   {
>   	struct nvm_addr_format_12 *ppaf =
> -				(struct nvm_addr_format_12 *)&pblk->ppaf;
> +				(struct nvm_addr_format_12 *)&pblk->addrf;
>   	u64 paddr;
>   
>   	paddr = (u64)p.g.ch << ppaf->ch_offset;
> @@ -991,7 +991,7 @@ static inline struct ppa_addr pblk_ppa32_to_ppa64(struct pblk *pblk, u32 ppa32)
>   		ppa64.c.is_cached = 1;
>   	} else {
>   		struct nvm_addr_format_12 *ppaf =
> -				(struct nvm_addr_format_12 *)&pblk->ppaf;
> +				(struct nvm_addr_format_12 *)&pblk->addrf;
>   
>   		ppa64.g.ch = (ppa32 & ppaf->ch_mask) >> ppaf->ch_offset;
>   		ppa64.g.lun = (ppa32 & ppaf->lun_mask) >> ppaf->lun_offset;
> @@ -1015,7 +1015,7 @@ static inline u32 pblk_ppa64_to_ppa32(struct pblk *pblk, struct ppa_addr ppa64)
>   		ppa32 |= 1U << 31;
>   	} else {
>   		struct nvm_addr_format_12 *ppaf =
> -				(struct nvm_addr_format_12 *)&pblk->ppaf;
> +				(struct nvm_addr_format_12 *)&pblk->addrf;
>   
>   		ppa32 |= ppa64.g.ch << ppaf->ch_offset;
>   		ppa32 |= ppa64.g.lun << ppaf->lun_offset;
> @@ -1033,7 +1033,7 @@ static inline struct ppa_addr pblk_trans_map_get(struct pblk *pblk,
>   {
>   	struct ppa_addr ppa;
>   
> -	if (pblk->ppaf_bitsize < 32) {
> +	if (pblk->addrf_len < 32) {
>   		u32 *map = (u32 *)pblk->trans_map;
>   
>   		ppa = pblk_ppa32_to_ppa64(pblk, map[lba]);
> @@ -1049,7 +1049,7 @@ static inline struct ppa_addr pblk_trans_map_get(struct pblk *pblk,
>   static inline void pblk_trans_map_set(struct pblk *pblk, sector_t lba,
>   						struct ppa_addr ppa)
>   {
> -	if (pblk->ppaf_bitsize < 32) {
> +	if (pblk->addrf_len < 32) {
>   		u32 *map = (u32 *)pblk->trans_map;
>   
>   		map[lba] = pblk_ppa64_to_ppa32(pblk, ppa);
> 

Looks good. I'll pick up when rebased.