linux-kernel - [PATCH 1/2] lightnvm: use rrpc->nr_luns to calculate the rrpc area size

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Message-Id: <1459348115-6072-1-git-send-email-ww.tao0320@gmail.com>
Date:	Wed, 30 Mar 2016 22:28:34 +0800
From:	Wenwei Tao <ww.tao0320@...il.com>
To:	mb@...htnvm.io
Cc:	linux-kernel@...r.kernel.org, linux-block@...r.kernel.org
Subject: [PATCH 1/2] lightnvm: use rrpc->nr_luns to calculate the rrpc area size

rrpc->nr_sects is calculated after rrpc init luns succeeds,
before that the value of rrpc->nr_sects is zero, so we cannot
use it to calcuate rrpc area size, we use rrpc->nr_luns instead.

Signed-off-by: Wenwei Tao <ww.tao0320@...il.com>
---
 drivers/lightnvm/rrpc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c
index 3ab6495..516a045 100644
--- a/drivers/lightnvm/rrpc.c
+++ b/drivers/lightnvm/rrpc.c
@@ -1223,7 +1223,7 @@ static int rrpc_area_init(struct rrpc *rrpc, sector_t *begin)
 {
 	struct nvm_dev *dev = rrpc->dev;
 	struct nvmm_type *mt = dev->mt;
-	sector_t size = rrpc->nr_sects * dev->sec_size;
+	sector_t size = dev->sec_size * dev->sec_per_lun * rrpc->nr_luns;
 
 	size >>= 9;
 
-- 
2.7.2.333.g70bd996