NFS: Set the stable writes flag when initialising the super block

We need to wait for outstanding writes on the page to complete before we
can update it.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

diff --git a/fs/nfs/fs_context.c b/fs/nfs/fs_context.c
index b6be02a..971a925 100644 (file)
--- a/fs/nfs/fs_context.c
+++ b/fs/nfs/fs_context.c
@@ -1512,6 +1512,8 @@ static int nfs_init_fs_context(struct fs_context *fc)
                ctx->selected_flavor    = RPC_AUTH_MAXFLAVOR;
                ctx->minorversion       = 0;
                ctx->need_mount         = true;
+
+               fc->s_iflags            |= SB_I_STABLE_WRITES;
        }
        fc->fs_private = ctx;
        fc->ops = &nfs_fs_context_ops;