linux-kernel - [PATCH 1/2] lightnvm: let rrpc block know its rrpc lun

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Message-Id: <1452168205-5559-1-git-send-email-javier@javigon.com>
Date:	Thu,  7 Jan 2016 13:03:24 +0100
From:	Javier González <javier@...igon.com>
To:	mb@...htnvm.io
Cc:	jg@...htnvm.io, linux-kernel@...r.kernel.org,
	linux-block@...r.kernel.org,
	Javier González <javier@...igon.com>,
	Javier González <javier@...xlabs.com>
Subject: [PATCH 1/2] lightnvm: let rrpc block know its rrpc lun

Currently a rrpc block only points to the nvm_lun it belongs to.
Maintaining a reference to the rrpc lun allows to manage rrpc specific
behavior between an rrpc block and rrpc lun.

Signed-off-by: Javier González <javier@...xlabs.com>
---
 drivers/lightnvm/rrpc.c | 1 +
 drivers/lightnvm/rrpc.h | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c
index ec7aacf..1bea346 100644
--- a/drivers/lightnvm/rrpc.c
+++ b/drivers/lightnvm/rrpc.c
@@ -1150,6 +1150,7 @@ static int rrpc_luns_init(struct rrpc *rrpc, int lun_begin, int lun_end)
 			struct nvm_block *blk = &lun->blocks[j];
 
 			rblk->parent = blk;
+			rblk->rlun = rlun;
 			INIT_LIST_HEAD(&rblk->prio);
 			spin_lock_init(&rblk->lock);
 		}
diff --git a/drivers/lightnvm/rrpc.h b/drivers/lightnvm/rrpc.h
index a9696a0..7c5fa4d 100644
--- a/drivers/lightnvm/rrpc.h
+++ b/drivers/lightnvm/rrpc.h
@@ -54,6 +54,7 @@ struct rrpc_rq {
 
 struct rrpc_block {
 	struct nvm_block *parent;
+	struct rrpc_lun *rlun;
 	struct list_head prio;
 
 #define MAX_INVALID_PAGES_STORAGE 8
-- 
2.1.4

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