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authorJavier González <jg@lightnvm.io>2017-06-26 12:57:12 +0300
committerJens Axboe <axboe@kernel.dk>2017-06-27 01:24:53 +0300
commitcaa69fa560025d12c276abd62d58a87b94324708 (patch)
tree39d0e7ee808b05a2312b4133061e906a0d3a3410 /drivers/lightnvm
parent613fa267c3fa2bdf92d005a4d0fa911bc84f17f4 (diff)
downloadlinux-caa69fa560025d12c276abd62d58a87b94324708.tar.xz
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>
Diffstat (limited to 'drivers/lightnvm')
-rw-r--r--drivers/lightnvm/pblk-map.c5
-rw-r--r--drivers/lightnvm/pblk-recovery.c4
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;
}
}