NFS: Move the pnfs read code into pnfs.c

...and ensure that we recoalese to take into account differences in
block sizes when falling back to read through the MDS.

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

1 files changed, 1 insertions, 9 deletions

diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index a59736eae6ec..c40ffa52c1ab 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -157,9 +157,8 @@ void set_pnfs_layoutdriver(struct nfs_server *, u32 id);
 void unset_pnfs_layoutdriver(struct nfs_server *);
 enum pnfs_try_status pnfs_try_to_write_data(struct nfs_write_data *,
                                              const struct rpc_call_ops *, int);
-enum pnfs_try_status pnfs_try_to_read_data(struct nfs_read_data *,
-                                            const struct rpc_call_ops *);
 void pnfs_generic_pg_init_read(struct nfs_pageio_descriptor *, struct nfs_page *);
+int pnfs_generic_pg_readpages(struct nfs_pageio_descriptor *desc);
 void pnfs_generic_pg_init_write(struct nfs_pageio_descriptor *, struct nfs_page *);
 bool pnfs_generic_pg_test(struct nfs_pageio_descriptor *pgio, struct nfs_page *prev, struct nfs_page *req);
 int pnfs_layout_process(struct nfs4_layoutget *lgp);
@@ -330,13 +329,6 @@ static inline void put_lseg(struct pnfs_layout_segment *lseg)
 }
 
 static inline enum pnfs_try_status
-pnfs_try_to_read_data(struct nfs_read_data *data,
-                      const struct rpc_call_ops *call_ops)
-{
-        return PNFS_NOT_ATTEMPTED;
-}
-
-static inline enum pnfs_try_status
 pnfs_try_to_write_data(struct nfs_write_data *data,
                        const struct rpc_call_ops *call_ops, int how)
 {