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Groups > linux.kernel > #1367247

[PATCH 2/2] lightnvm: use relative logical address in rrpc_l2p_update

From Wenwei Tao <ww.tao0320@gmail.com>
Newsgroups linux.kernel
Subject [PATCH 2/2] lightnvm: use relative logical address in rrpc_l2p_update
Date 2016-03-30 16:30 +0200
Message-ID <ripia-6GA-17@gated-at.bofh.it> (permalink)
References <ripia-6GA-9@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Since every target now has their own logical address area,
we should deal trans_map and rev_trans_map with relative
logical address instead of the global one.

Signed-off-by: Wenwei Tao <ww.tao0320@gmail.com>
---
 drivers/lightnvm/rrpc.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c
index 516a045..2279bd7 100644
--- a/drivers/lightnvm/rrpc.c
+++ b/drivers/lightnvm/rrpc.c
@@ -998,10 +998,14 @@ static int rrpc_l2p_update(u64 slba, u32 nlb, __le64 *entries, void *private)
 {
 	struct rrpc *rrpc = (struct rrpc *)private;
 	struct nvm_dev *dev = rrpc->dev;
-	struct rrpc_addr *addr = rrpc->trans_map + slba;
-	struct rrpc_rev_addr *raddr = rrpc->rev_trans_map;
-	u64 elba = slba + nlb;
-	u64 i;
+	struct rrpc_addr *addr;
+	struct rrpc_rev_addr *raddr;
+	u64 elba, i;
+
+	slba -= rrpc->soffset >> (ilog2(dev->sec_size) - 9);
+	addr = rrpc->trans_map + slba;
+	raddr = rrpc->rev_trans_map;
+	elba = slba + nlb;
 
 	if (unlikely(elba > dev->total_secs)) {
 		pr_err("nvm: L2P data from device is out of bounds!\n");
-- 
2.7.2.333.g70bd996

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Thread

[PATCH 1/2] lightnvm: use rrpc->nr_luns to calculate the rrpc area size Wenwei Tao <ww.tao0320@gmail.com> - 2016-03-30 16:30 +0200
  [PATCH 2/2] lightnvm: use relative logical address in rrpc_l2p_update Wenwei Tao <ww.tao0320@gmail.com> - 2016-03-30 16:30 +0200
    Re: [PATCH 2/2] lightnvm: use relative logical address in  rrpc_l2p_update Matias Bjørling <mb@lightnvm.io> - 2016-03-31 11:20 +0200
      Re: [PATCH 2/2] lightnvm: use relative logical address in rrpc_l2p_update Wenwei Tao <ww.tao0320@gmail.com> - 2016-03-31 13:10 +0200
  Re: [PATCH 1/2] lightnvm: use rrpc->nr_luns to calculate the rrpc  area size Wenwei Tao <ww.tao0320@gmail.com> - 2016-03-31 10:40 +0200
    Re: [PATCH 1/2] lightnvm: use rrpc->nr_luns to calculate the rrpc  area size Matias Bjørling <mb@lightnvm.io> - 2016-03-31 11:00 +0200
      Re: [PATCH 1/2] lightnvm: use rrpc->nr_luns to calculate the rrpc  area size Wenwei Tao <ww.tao0320@gmail.com> - 2016-03-31 12:00 +0200
        Re: [PATCH 1/2] lightnvm: use rrpc->nr_luns to calculate the rrpc  area size Matias Bjørling <mb@lightnvm.io> - 2016-03-31 12:10 +0200
          Re: [PATCH 1/2] lightnvm: use rrpc->nr_luns to calculate the rrpc  area size Wenwei Tao <ww.tao0320@gmail.com> - 2016-03-31 12:30 +0200
            Re: [PATCH 1/2] lightnvm: use rrpc->nr_luns to calculate the rrpc  area size Matias Bjørling <mb@lightnvm.io> - 2016-03-31 15:30 +0200

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