From caa69fa560025d12c276abd62d58a87b94324708 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Javier=20Gonz=C3=A1lez?= Date: Mon, 26 Jun 2017 11:57:12 +0200 Subject: [PATCH] lightnvm: pblk: spare double cpu_to_le64 calc. MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Spare a double calculation on the fast write path. Signed-off-by: Javier González Signed-off-by: Matias Bjørling Signed-off-by: Jens Axboe --- drivers/lightnvm/pblk-map.c | 5 +++-- drivers/lightnvm/pblk-recovery.c | 4 ++-- 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/lightnvm/pblk-map.c b/drivers/lightnvm/pblk-map.c index 17c16955284d..18291c238930 100644 --- a/drivers/lightnvm/pblk-map.c +++ b/drivers/lightnvm/pblk-map.c @@ -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); le64_add_cpu(&line->emeta->nr_valid_lbas, 1); } else { - meta_list[i].lba = cpu_to_le64(ADDR_EMPTY); - lba_list[paddr] = cpu_to_le64(ADDR_EMPTY); + u64 addr_empty = cpu_to_le64(ADDR_EMPTY); + + lba_list[paddr] = meta_list[i].lba = addr_empty; pblk_map_pad_invalidate(pblk, line, paddr); } } diff --git a/drivers/lightnvm/pblk-recovery.c b/drivers/lightnvm/pblk-recovery.c index f8f85087cd3c..82787006b865 100644 --- a/drivers/lightnvm/pblk-recovery.c +++ b/drivers/lightnvm/pblk-recovery.c @@ -390,12 +390,12 @@ next_pad_rq: for (j = 0; j < pblk->min_write_pgs; j++, i++, w_ptr++) { struct ppa_addr dev_ppa; + u64 addr_empty = cpu_to_le64(ADDR_EMPTY); dev_ppa = addr_to_gen_ppa(pblk, w_ptr, line->id); pblk_map_invalidate(pblk, dev_ppa); - meta_list[i].lba = cpu_to_le64(ADDR_EMPTY); - lba_list[w_ptr] = cpu_to_le64(ADDR_EMPTY); + lba_list[w_ptr] = meta_list[i].lba = addr_empty; rqd->ppa_list[i] = dev_ppa; } } -- 2.20.1