fs: xfs needs inode_wait to be exported

Since wait_on_inode() references it.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Reviewed-by: Dave Chinner <david@fromorbit.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
diff --git a/fs/inode.c b/fs/inode.c
index f84ba33..098a244 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -1334,6 +1334,7 @@
 	schedule();
 	return 0;
 }
+EXPORT_SYMBOL(inode_wait);
 
 /*
  * If we try to find an inode in the inode hash while it is being