NFSv4: Ensure that we track the NFSv4 lock state in read/write requests.

This patch fixes bugzilla entry 14501:
  https://bugzilla.kernel.org/show_bug.cgi?id=14501

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 3c60685d972b..f8b60e7f4c44 100644
--- a/include/linux/nfs_page.h
+++ b/include/linux/nfs_page.h
@@ -39,6 +39,7 @@ struct nfs_page {
         struct list_head        wb_list;        /* Defines state of page: */
         struct page             *wb_page;       /* page to read in/write out */
         struct nfs_open_context *wb_context;    /* File state context info */
+        struct nfs_lock_context *wb_lock_context;       /* lock context info */
         atomic_t                wb_complete;    /* i/os we're waiting for */
         pgoff_t                 wb_index;       /* Offset >> PAGE_CACHE_SHIFT */
         unsigned int            wb_offset,      /* Offset & ~PAGE_CACHE_MASK */