bdi: Export bdi_alloc_node() and bdi_put()

jankara · axboe · commit 62bf42adc4f3 · 2017-04-20T12:09:55.000-06:00
MTD will want to call bdi_alloc_node() and bdi_put() directly. Export
these functions.

Reviewed-by: Christoph Hellwig &lt;hch@lst.de&gt;
Signed-off-by: Jan Kara &lt;jack@suse.cz&gt;
Signed-off-by: Jens Axboe &lt;axboe@fb.com&gt;
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
@@ -855,6 +855,7 @@ struct backing_dev_info *bdi_alloc_node(gfp_t gfp_mask, int node_id)
 	}
 	return bdi;
 }
+EXPORT_SYMBOL(bdi_alloc_node);
 
 int bdi_register_va(struct backing_dev_info *bdi, struct device *parent,
 		const char *fmt, va_list args)
@@ -971,6 +972,7 @@ void bdi_put(struct backing_dev_info *bdi)
 {
 	kref_put(&bdi->refcnt, release_bdi);
 }
+EXPORT_SYMBOL(bdi_put);
 
 void bdi_destroy(struct backing_dev_info *bdi)
 {

Original file line number	Diff line number	Diff line change
`@@ -855,6 +855,7 @@ struct backing_dev_info *bdi_alloc_node(gfp_t gfp_mask, int node_id)`
`855`	`855`	`}`
`856`	`856`	`return bdi;`
`857`	`857`	`}`
	`858`	`+EXPORT_SYMBOL(bdi_alloc_node);`
`858`	`859`
`859`	`860`	`int bdi_register_va(struct backing_dev_info bdi, struct device parent,`
`860`	`861`	`const char *fmt, va_list args)`
`@@ -971,6 +972,7 @@ void bdi_put(struct backing_dev_info *bdi)`
`971`	`972`	`{`
`972`	`973`	`kref_put(&bdi->refcnt, release_bdi);`
`973`	`974`	`}`
	`975`	`+EXPORT_SYMBOL(bdi_put);`
`974`	`976`
`975`	`977`	`void bdi_destroy(struct backing_dev_info *bdi)`
`976`	`978`	`{`