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lightnvm: pblk: spare double cpu_to_le64 calc. 

Spare a double calculation on the fast write path.

Signed-off-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <matias@cnexlabs.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Javier González 2017-06-26 11:57:12 +02:00 committed by Jens Axboe
parent 613fa267c3
commit caa69fa560
2 changed files with 5 additions and 4 deletions
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5
drivers/lightnvm/pblk-map.c
View File

@ -53,8 +53,9 @@ static void pblk_map_page_data(struct pblk *pblk, unsigned int sentry,
lba_list[paddr] = cpu_to_le64(w_ctx->lba); lba_list[paddr] = cpu_to_le64(w_ctx->lba);
le64_add_cpu(&line->emeta->nr_valid_lbas, 1); le64_add_cpu(&line->emeta->nr_valid_lbas, 1);
} else { } else {
meta_list[i].lba = cpu_to_le64(ADDR_EMPTY); u64 addr_empty = cpu_to_le64(ADDR_EMPTY);
lba_list[paddr] = cpu_to_le64(ADDR_EMPTY);
lba_list[paddr] = meta_list[i].lba = addr_empty;
pblk_map_pad_invalidate(pblk, line, paddr); pblk_map_pad_invalidate(pblk, line, paddr);
} }
} }

4
drivers/lightnvm/pblk-recovery.c
View File

@ -390,12 +390,12 @@ next_pad_rq:
for (j = 0; j < pblk->min_write_pgs; j++, i++, w_ptr++) { for (j = 0; j < pblk->min_write_pgs; j++, i++, w_ptr++) {
struct ppa_addr dev_ppa; struct ppa_addr dev_ppa;
u64 addr_empty = cpu_to_le64(ADDR_EMPTY);
dev_ppa = addr_to_gen_ppa(pblk, w_ptr, line->id); dev_ppa = addr_to_gen_ppa(pblk, w_ptr, line->id);
pblk_map_invalidate(pblk, dev_ppa); pblk_map_invalidate(pblk, dev_ppa);
meta_list[i].lba = cpu_to_le64(ADDR_EMPTY); lba_list[w_ptr] = meta_list[i].lba = addr_empty;
lba_list[w_ptr] = cpu_to_le64(ADDR_EMPTY);
rqd->ppa_list[i] = dev_ppa; rqd->ppa_list[i] = dev_ppa;
} }
} }