bdi: Export bdi_alloc_node() and bdi_put()

MTD will want to call bdi_alloc_node() and bdi_put() directly. Export
these functions.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>

diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 164ccc93690f0c376b5c042af6715d882f1c7dd5..3dd175986390baf7331f23455a73224ea796bf17 100644 (file)
--- 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)
 {