NFS: Remove unused parameter gfp_flags from nfs_pageio_init()

Now that the mirror allocation has been moved, the parameter can go.
Also remove the redundant symbol export.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index b7d193e..ee66d8c 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -711,8 +711,7 @@ void nfs_pageio_init(struct nfs_pageio_descriptor *desc,
 		     const struct nfs_pgio_completion_ops *compl_ops,
 		     const struct nfs_rw_ops *rw_ops,
 		     size_t bsize,
-		     int io_flags,
-		     gfp_t gfp_flags)
+		     int io_flags)
 {
 	desc->pg_moreio = 0;
 	desc->pg_inode = inode;
@@ -733,7 +732,6 @@ void nfs_pageio_init(struct nfs_pageio_descriptor *desc,
 	desc->pg_mirrors = desc->pg_mirrors_static;
 	nfs_pageio_mirror_init(&desc->pg_mirrors[0], bsize);
 }
-EXPORT_SYMBOL_GPL(nfs_pageio_init);
 
 /**
  * nfs_pgio_result - Basic pageio error handling
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index a8421d9..0d42573 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -68,7 +68,7 @@ void nfs_pageio_init_read(struct nfs_pageio_descriptor *pgio,
 		pg_ops = server->pnfs_curr_ld->pg_read_ops;
 #endif
 	nfs_pageio_init(pgio, inode, pg_ops, compl_ops, &nfs_rw_read_ops,
-			server->rsize, 0, GFP_KERNEL);
+			server->rsize, 0);
 }
 EXPORT_SYMBOL_GPL(nfs_pageio_init_read);
 
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index b1af5de..ae78ac0 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -1452,7 +1452,7 @@ void nfs_pageio_init_write(struct nfs_pageio_descriptor *pgio,
 		pg_ops = server->pnfs_curr_ld->pg_write_ops;
 #endif
 	nfs_pageio_init(pgio, inode, pg_ops, compl_ops, &nfs_rw_write_ops,
-			server->wsize, ioflags, GFP_NOIO);
+			server->wsize, ioflags);
 }
 EXPORT_SYMBOL_GPL(nfs_pageio_init_write);