Merge branch 'akpm' (Andrew's patch-bomb)

[pandora-kernel.git] / fs / nfs / file.c

diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index b039a17..75d6d0a 100644 (file)
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -180,7 +180,7 @@ nfs_file_read(struct kiocb *iocb, const struct iovec *iov,
        ssize_t result;
 
        if (iocb->ki_filp->f_flags & O_DIRECT)
-               return nfs_file_direct_read(iocb, iov, nr_segs, pos);
+               return nfs_file_direct_read(iocb, iov, nr_segs, pos, true);
 
        dprintk("NFS: read(%s/%s, %lu@%lu)\n",
                dentry->d_parent->d_name.name, dentry->d_name.name,
@@ -439,7 +439,7 @@ static void nfs_invalidate_page(struct page *page, unsigned long offset)
        if (offset != 0)
                return;
        /* Cancel any unstarted writes on this page */
-       nfs_wb_page_cancel(page->mapping->host, page);
+       nfs_wb_page_cancel(page_file_mapping(page)->host, page);
 
        nfs_fscache_invalidate_page(page, page->mapping->host);
 }
@@ -484,7 +484,7 @@ static int nfs_release_page(struct page *page, gfp_t gfp)
  */
 static int nfs_launder_page(struct page *page)
 {
-       struct inode *inode = page->mapping->host;
+       struct inode *inode = page_file_mapping(page)->host;
        struct nfs_inode *nfsi = NFS_I(inode);
 
        dfprintk(PAGECACHE, "NFS: launder_page(%ld, %llu)\n",
@@ -494,6 +494,20 @@ static int nfs_launder_page(struct page *page)
        return nfs_wb_page(inode, page);
 }
 
+#ifdef CONFIG_NFS_SWAP
+static int nfs_swap_activate(struct swap_info_struct *sis, struct file *file,
+                                               sector_t *span)
+{
+       *span = sis->pages;
+       return xs_swapper(NFS_CLIENT(file->f_mapping->host)->cl_xprt, 1);
+}
+
+static void nfs_swap_deactivate(struct file *file)
+{
+       xs_swapper(NFS_CLIENT(file->f_mapping->host)->cl_xprt, 0);
+}
+#endif
+
 const struct address_space_operations nfs_file_aops = {
        .readpage = nfs_readpage,
        .readpages = nfs_readpages,
@@ -508,6 +522,10 @@ const struct address_space_operations nfs_file_aops = {
        .migratepage = nfs_migrate_page,
        .launder_page = nfs_launder_page,
        .error_remove_page = generic_error_remove_page,
+#ifdef CONFIG_NFS_SWAP
+       .swap_activate = nfs_swap_activate,
+       .swap_deactivate = nfs_swap_deactivate,
+#endif
 };
 
 /*
@@ -533,7 +551,7 @@ static int nfs_vm_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
        nfs_fscache_wait_on_page_write(NFS_I(dentry->d_inode), page);
 
        lock_page(page);
-       mapping = page->mapping;
+       mapping = page_file_mapping(page);
        if (mapping != dentry->d_inode->i_mapping)
                goto out_unlock;
 
@@ -582,7 +600,7 @@ ssize_t nfs_file_write(struct kiocb *iocb, const struct iovec *iov,
        size_t count = iov_length(iov, nr_segs);
 
        if (iocb->ki_filp->f_flags & O_DIRECT)
-               return nfs_file_direct_write(iocb, iov, nr_segs, pos);
+               return nfs_file_direct_write(iocb, iov, nr_segs, pos, true);
 
        dprintk("NFS: write(%s/%s, %lu@%Ld)\n",
                dentry->d_parent->d_name.name, dentry->d_name.name,