linux-kernel - [PATCH] lightnvm: expose mark

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Message-Id: <1462865126-6044-1-git-send-email-javier@cnexlabs.com>
Date:	Tue, 10 May 2016 09:25:26 +0200
From:	"Javier González" <jg@...htnvm.io>
To:	mb@...htnvm.io
Cc:	linux-kernel@...r.kernel.org, linux-block@...r.kernel.org,
	Javier González <javier@...xlabs.com>
Subject: [PATCH] lightnvm: expose mark_blk through core

Expose mark_blk through the core LightNVM operations to hid the media
manager, as we do for the rest of the block operations. This is
necessary for targets to mark a growing bad block as bad before
returning it to the media manager.

Signed-off-by: Javier González <javier@...xlabs.com>
---
 drivers/lightnvm/core.c  | 6 ++++++
 include/linux/lightnvm.h | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c
index 160c1a6..13993c9 100644
--- a/drivers/lightnvm/core.c
+++ b/drivers/lightnvm/core.c
@@ -210,6 +210,12 @@ void nvm_put_blk(struct nvm_dev *dev, struct nvm_block *blk)
 }
 EXPORT_SYMBOL(nvm_put_blk);
 
+void nvm_mark_blk(struct nvm_dev *dev, struct ppa_addr ppa, int type)
+{
+	return dev->mt->mark_blk(dev, ppa, type);
+}
+EXPORT_SYMBOL(nvm_mark_blk);
+
 int nvm_submit_io(struct nvm_dev *dev, struct nvm_rq *rqd)
 {
 	return dev->mt->submit_io(dev, rqd);
diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h
index ef2c7d2..9c56148 100644
--- a/include/linux/lightnvm.h
+++ b/include/linux/lightnvm.h
@@ -532,6 +532,8 @@ extern int nvm_register(struct request_queue *, char *,
 						struct nvm_dev_ops *);
 extern void nvm_unregister(char *);
 
+void nvm_mark_blk(struct nvm_dev *dev, struct ppa_addr ppa, int type);
+
 extern int nvm_submit_io(struct nvm_dev *, struct nvm_rq *);
 extern void nvm_generic_to_addr_mode(struct nvm_dev *, struct nvm_rq *);
 extern void nvm_addr_to_generic_mode(struct nvm_dev *, struct nvm_rq *);
-- 
2.5.0