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-rw-r--r--fs/nfs/file.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 7a79fbe9f539..387809f2d188 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -316,6 +316,17 @@ static int nfs_commit_write(struct file *file, struct page *page, unsigned offse
return status;
}
+static int nfs_invalidate_page(struct page *page, unsigned long offset)
+{
+ /* FIXME: we really should cancel any unstarted writes on this page */
+ return 1;
+}
+
+static int nfs_release_page(struct page *page, gfp_t gfp)
+{
+ return !nfs_wb_page(page->mapping->host, page);
+}
+
struct address_space_operations nfs_file_aops = {
.readpage = nfs_readpage,
.readpages = nfs_readpages,
@@ -324,6 +335,8 @@ struct address_space_operations nfs_file_aops = {
.writepages = nfs_writepages,
.prepare_write = nfs_prepare_write,
.commit_write = nfs_commit_write,
+ .invalidatepage = nfs_invalidate_page,
+ .releasepage = nfs_release_page,
#ifdef CONFIG_NFS_DIRECTIO
.direct_IO = nfs_direct_IO,
#endif