NFS: Fix nfs_release_page

invalidate_inode_pages2_range() will clear the PG_dirty bit before calling
try_to_release_page().

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 7 insertions, 6 deletions

diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 238fb6641aae..8e28bffc35a0 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -315,13 +315,14 @@ static void nfs_invalidate_page(struct page *page, unsigned long offset)
 
 static int nfs_release_page(struct page *page, gfp_t gfp)
 {
-        if (gfp & __GFP_FS)
-                return !nfs_wb_page(page->mapping->host, page);
-        else
-                /*
-                 * Avoid deadlock on nfs_wait_on_request().
-                 */
+        /*
+         * Avoid deadlock on nfs_wait_on_request().
+         */
+        if (!(gfp & __GFP_FS))
                 return 0;
+        /* Hack... Force nfs_wb_page() to write out the page */
+        SetPageDirty(page);
+        return !nfs_wb_page(page->mapping->host, page);
 }
 
 const struct address_space_operations nfs_file_aops = {