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Commit a84ebb83 authored by Javier González's avatar Javier González Committed by Jens Axboe
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lightnvm: pblk: set line bitmap check under debug 



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: default avatarJavier González <javier@cnexlabs.com>
Signed-off-by: default avatarMatias Bjørling <matias@cnexlabs.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 07698466

drivers/lightnvm/pblk-core.c

+4 −1
Original line number Diff line number Diff line
@@ -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));