linux-kernel - [GIT PULL 03/21] lightnvm: pblk: fix chunk close trace event check

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Message-Id: <20181211191627.15542-4-mb@lightnvm.io>
Date:   Tue, 11 Dec 2018 20:16:09 +0100
From:   Matias Bjørling <mb@...htnvm.io>
To:     axboe@...com
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        Hans Holmberg <hans.holmberg@...xlabs.com>,
        Matias Bjørling <mb@...htnvm.io>
Subject: [GIT PULL 03/21] lightnvm: pblk: fix chunk close trace event check

From: Hans Holmberg <hans.holmberg@...xlabs.com>

The check for chunk closes suffers from an off-by-one issue, leading
to chunk close events not being traced.

Fixes: 4c44abf43d00 ("lightnvm: pblk: add trace events for chunk states")
Signed-off-by: Hans Holmberg <hans.holmberg@...xlabs.com>
Signed-off-by: Matias Bjørling <mb@...htnvm.io>
---
 drivers/lightnvm/pblk-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/lightnvm/pblk-core.c b/drivers/lightnvm/pblk-core.c
index 6944aac43b01..6581c35f51ee 100644
--- a/drivers/lightnvm/pblk-core.c
+++ b/drivers/lightnvm/pblk-core.c
@@ -531,7 +531,7 @@ void pblk_check_chunk_state_update(struct pblk *pblk, struct nvm_rq *rqd)
 		if (caddr == 0)
 			trace_pblk_chunk_state(pblk_disk_name(pblk),
 							ppa, NVM_CHK_ST_OPEN);
-		else if (caddr == chunk->cnlb)
+		else if (caddr == (chunk->cnlb - 1))
 			trace_pblk_chunk_state(pblk_disk_name(pblk),
 							ppa, NVM_CHK_ST_CLOSED);
 	}
-- 
2.17.1