NFS: Make nfs_updatepage() mark the page as dirty.

This will ensure that we can call set_page_writeback() from within
nfs_writepage(), which is always called with the page lock set.

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

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h
index d111be639140..2e555d49c9b7 100644
--- a/include/linux/nfs_page.h
+++ b/include/linux/nfs_page.h
@@ -31,6 +31,7 @@
 #define PG_NEED_COMMIT          1
 #define PG_NEED_RESCHED         2
 #define PG_NEED_FLUSH           3
+#define PG_FLUSHING             4
 
 struct nfs_inode;
 struct nfs_page {