Do bitmap checks only when debug mode is enable. The line bitmap used
for mapping to physical addresses is fairly large (~512KB) and it is
expensive to do this checks on the fast path.
Signed-off-by: Javier González <javier@xxxxxxxxxxxx>
Signed-off-by: Matias Bjørling <matias@xxxxxxxxxxxx>
---
drivers/lightnvm/pblk-core.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/lightnvm/pblk-core.c b/drivers/lightnvm/pblk-core.c
index e6f42cddc8ec..11fe0c5b2a9c 100644
--- a/drivers/lightnvm/pblk-core.c
+++ b/drivers/lightnvm/pblk-core.c
@@ -1561,11 +1561,14 @@ static void pblk_line_should_sync_meta(struct pblk *pblk)
void pblk_line_close(struct pblk *pblk, struct pblk_line *line)
{
struct pblk_line_mgmt *l_mg = &pblk->l_mg;
- struct pblk_line_meta *lm = &pblk->lm;
struct list_head *move_list;
+#ifdef CONFIG_NVM_DEBUG
+ struct pblk_line_meta *lm = &pblk->lm;
+
WARN(!bitmap_full(line->map_bitmap, lm->sec_per_line),
"pblk: corrupt closed line %d\n", line->id);
+#endif
spin_lock(&l_mg->free_lock);
WARN_ON(!test_and_clear_bit(line->meta_line, &l_mg->meta_bitmap));
--
2.7.4
