NFS: Use pgoff_t in structures and functions that pass page cache offsets
[firefly-linux-kernel-4.4.55.git] / fs / nfs / pagelist.c
index ea1a85df9ab158f7ad97fe09a4763990147c2334..d846d39a31efaca7ea08d78eef0a5aa1463dcbc3 100644 (file)
@@ -18,6 +18,8 @@
 #include <linux/nfs_fs.h>
 #include <linux/nfs_mount.h>
 
+#include "internal.h"
+
 #define NFS_PARANOIA 1
 
 static struct kmem_cache *nfs_page_cachep;
@@ -231,7 +233,7 @@ out:
  */
 void nfs_pageio_init(struct nfs_pageio_descriptor *desc,
                     struct inode *inode,
-                    int (*doio)(struct inode *, struct list_head *, size_t, int),
+                    int (*doio)(struct inode *, struct list_head *, unsigned int, size_t, int),
                     unsigned int bsize,
                     int io_flags)
 {
@@ -298,8 +300,10 @@ static int nfs_pageio_do_add_request(struct nfs_pageio_descriptor *desc,
                 * since nfs_flush_multi and nfs_pagein_multi assume you
                 * can have only one struct nfs_page.
                 */
+               if (desc->pg_bsize < PAGE_SIZE)
+                       return 0;
                newlen += desc->pg_count;
-               if (desc->pg_base + newlen > desc->pg_bsize)
+               if (newlen > desc->pg_bsize)
                        return 0;
                prev = nfs_list_entry(desc->pg_list.prev);
                if (!nfs_can_coalesce_requests(prev, req))
@@ -320,6 +324,8 @@ static void nfs_pageio_doio(struct nfs_pageio_descriptor *desc)
        if (!list_empty(&desc->pg_list)) {
                int error = desc->pg_doio(desc->pg_inode,
                                          &desc->pg_list,
+                                         nfs_page_array_len(desc->pg_base,
+                                                            desc->pg_count),
                                          desc->pg_count,
                                          desc->pg_ioflags);
                if (error < 0)
@@ -377,12 +383,12 @@ void nfs_pageio_complete(struct nfs_pageio_descriptor *desc)
  * You must be holding the inode's req_lock when calling this function
  */
 int nfs_scan_list(struct nfs_inode *nfsi, struct list_head *head,
-               struct list_head *dst, unsigned long idx_start,
+               struct list_head *dst, pgoff_t idx_start,
                unsigned int npages)
 {
        struct nfs_page *pgvec[NFS_SCAN_MAXENTRIES];
        struct nfs_page *req;
-       unsigned long idx_end;
+       pgoff_t idx_end;
        int found, i;
        int res;