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lightnvm: pblk: improve line helpers

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The current helper to obtain a line from a ppa returns the line id,
which requires its users to explicitly retrieve the pointer to the line
with the id.

Make 2 different helpers: one returning the line id and one returning
the line directly.

Signed-off-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <mb@lightnvm.io>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Javier González 2018-10-09 13:11:42 +02:00 • committed by Jens Axboe
parent 2cf99bbd10
commit cb21665c8d
5 changed files with 20 additions and 18 deletions
Download patch file Download diff file Expand all files Collapse all files

15
drivers/lightnvm/pblk-core.c
View file

@ -32,7 +32,7 @@ static void pblk_line_mark_bb(struct work_struct *work)
struct pblk_line *line;
int pos;
line = &pblk->lines[pblk_ppa_to_line(*ppa)];
line = pblk_ppa_to_line(pblk, *ppa);
pos = pblk_ppa_to_pos(&dev->geo, *ppa);
pblk_err(pblk, "failed to mark bb, line:%d, pos:%d\n",
@ -80,7 +80,7 @@ static void __pblk_end_io_erase(struct pblk *pblk, struct nvm_rq *rqd)
struct pblk_line *line;
int pos;
line = &pblk->lines[pblk_ppa_to_line(rqd->ppa_addr)];
line = pblk_ppa_to_line(pblk, rqd->ppa_addr);
pos = pblk_ppa_to_pos(geo, rqd->ppa_addr);
chunk = &line->chks[pos];
@ -192,7 +192,6 @@ void pblk_map_invalidate(struct pblk *pblk, struct ppa_addr ppa)
{
struct pblk_line *line;
u64 paddr;
int line_id;
#ifdef CONFIG_NVM_PBLK_DEBUG
/* Callers must ensure that the ppa points to a device address */
@ -200,8 +199,7 @@ void pblk_map_invalidate(struct pblk *pblk, struct ppa_addr ppa)
BUG_ON(pblk_ppa_empty(ppa));
#endif
line_id = pblk_ppa_to_line(ppa);
line = &pblk->lines[line_id];
line = pblk_ppa_to_line(pblk, ppa);
paddr = pblk_dev_ppa_to_line_addr(pblk, ppa);
__pblk_map_invalidate(pblk, line, paddr);
@ -1430,7 +1428,7 @@ void pblk_ppa_to_line_put(struct pblk *pblk, struct ppa_addr ppa)
{
struct pblk_line *line;
line = &pblk->lines[pblk_ppa_to_line(ppa)];
line = pblk_ppa_to_line(pblk, ppa);
kref_put(&line->ref, pblk_line_put_wq);
}
@ -1688,7 +1686,7 @@ int pblk_blk_erase_async(struct pblk *pblk, struct ppa_addr ppa)
struct nvm_geo *geo = &dev->geo;
pblk_err(pblk, "could not async erase line:%d,blk:%d\n",
pblk_ppa_to_line(ppa),
pblk_ppa_to_line_id(ppa),
pblk_ppa_to_pos(geo, ppa));
}
@ -2059,8 +2057,7 @@ void pblk_lookup_l2p_seq(struct pblk *pblk, struct ppa_addr *ppas,
/* If the L2P entry maps to a line, the reference is valid */
if (!pblk_ppa_empty(ppa) && !pblk_addr_in_cache(ppa)) {
int line_id = pblk_ppa_to_line(ppa);
struct pblk_line *line = &pblk->lines[line_id];
struct pblk_line *line = pblk_ppa_to_line(pblk, ppa);
kref_get(&line->ref);
}