NFS: Cleanup for nfs_readpages()

Do the coalescing of read requests into block sized requests at start of
I/O as we scan through the pages instead of going through a second pass.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h
index 91c7b18c47d8..b8b7bca3bac8 100644
--- a/include/linux/nfs_page.h
+++ b/include/linux/nfs_page.h
@@ -82,6 +82,8 @@ extern	void nfs_pageio_init(struct nfs_pageio_descriptor *desc,
                              int (*doio)(struct inode *, struct list_head *, size_t, int),
                              size_t bsize,
                              int how);
+extern  int nfs_pageio_add_request(struct nfs_pageio_descriptor *,
+                                   struct nfs_page *);
 extern  void nfs_pageio_add_list(struct nfs_pageio_descriptor *,
                                  struct list_head *);
 extern  void nfs_pageio_complete(struct nfs_pageio_descriptor *desc);