From db7ada33cdcae7fef0a088141b1e4ab8c25fd395 Mon Sep 17 00:00:00 2001 From: Javier González Date: Mon, 26 Jun 2017 11:57:13 +0200 Subject: lightnvm: pblk: add debug stat for read cache hits MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add a new debug counter to measure cache hits on the read path Signed-off-by: Javier González Signed-off-by: Matias Bjørling Signed-off-by: Jens Axboe --- drivers/lightnvm/pblk-init.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/lightnvm/pblk-init.c') diff --git a/drivers/lightnvm/pblk-init.c b/drivers/lightnvm/pblk-init.c index aaefbccce30e..2d79336748ee 100644 --- a/drivers/lightnvm/pblk-init.c +++ b/drivers/lightnvm/pblk-init.c @@ -839,6 +839,7 @@ static void *pblk_init(struct nvm_tgt_dev *dev, struct gendisk *tdisk, atomic_long_set(&pblk->sync_writes, 0); atomic_long_set(&pblk->compl_writes, 0); atomic_long_set(&pblk->inflight_reads, 0); + atomic_long_set(&pblk->cache_reads, 0); atomic_long_set(&pblk->sync_reads, 0); atomic_long_set(&pblk->recov_writes, 0); atomic_long_set(&pblk->recov_writes, 0); -- cgit