NFS: Create an read_pageio_init() function
pNFS needs to select a read function based on the layout driver
currently in use, so I let each NFS version decide how to best handle
initializing reads.
Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index 86ced78..6267b87 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -20,8 +20,6 @@
#include <linux/nfs_page.h>
#include <linux/module.h>
-#include "pnfs.h"
-
#include "nfs4_fs.h"
#include "internal.h"
#include "iostat.h"
@@ -108,7 +106,7 @@
return 0;
}
-void nfs_pageio_init_read_mds(struct nfs_pageio_descriptor *pgio,
+void nfs_pageio_init_read(struct nfs_pageio_descriptor *pgio,
struct inode *inode,
const struct nfs_pgio_completion_ops *compl_ops)
{
@@ -123,14 +121,6 @@
}
EXPORT_SYMBOL_GPL(nfs_pageio_reset_read_mds);
-void nfs_pageio_init_read(struct nfs_pageio_descriptor *pgio,
- struct inode *inode,
- const struct nfs_pgio_completion_ops *compl_ops)
-{
- if (!pnfs_pageio_init_read(pgio, inode, compl_ops))
- nfs_pageio_init_read_mds(pgio, inode, compl_ops);
-}
-
int nfs_readpage_async(struct nfs_open_context *ctx, struct inode *inode,
struct page *page)
{
@@ -149,7 +139,7 @@
if (len < PAGE_CACHE_SIZE)
zero_user_segment(page, len, PAGE_CACHE_SIZE);
- nfs_pageio_init_read(&pgio, inode, &nfs_async_read_completion_ops);
+ NFS_PROTO(inode)->read_pageio_init(&pgio, inode, &nfs_async_read_completion_ops);
nfs_pageio_add_request(&pgio, new);
nfs_pageio_complete(&pgio);
NFS_I(inode)->read_io += pgio.pg_bytes_written;
@@ -652,7 +642,7 @@
if (ret == 0)
goto read_complete; /* all pages were read */
- nfs_pageio_init_read(&pgio, inode, &nfs_async_read_completion_ops);
+ NFS_PROTO(inode)->read_pageio_init(&pgio, inode, &nfs_async_read_completion_ops);
ret = read_cache_pages(mapping, pages, readpage_async_filler, &desc);