lightnvm: add media manager mark_blk helper

Expose media manager mark_blk() to targets, as done for the rest of the
media manager callback functions.

Signed-off-by: Javier González <javier@cnexlabs.com>
Updated description
Signed-off-by: Matias Bjørling <m@bjorling.me>

Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@fb.com>

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);

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 *);