Merge git://git.linux-nfs.org/pub/linux/nfs-2.6

* git://git.linux-nfs.org/pub/linux/nfs-2.6:
  NFS: Clean up new multi-segment direct I/O changes
  NFS: Ensure we return zero if applications attempt to write zero bytes
  NFS: Support multiple segment iovecs in the NFS direct I/O path
  NFS: Introduce iovec I/O helpers to fs/nfs/direct.c
  SUNRPC: Add missing "space" to net/sunrpc/auth_gss.c
  SUNRPC: make sunrpc/xprtsock.c:xs_setup_{udp,tcp}() static
  NFS: fs/nfs/dir.c should #include "internal.h"
  NFS: make nfs_wb_page_priority() static
  NFS: mount failure causes bad page state
  SUNRPC: remove NFS/RDMA client's binary sysctls
  kernel BUG at fs/nfs/namespace.c:108! - can be triggered by bad server
  sunrpc: rpc_pipe_poll may miss available data in some cases
  sunrpc: return error if unsupported enctype or cksumtype is encountered
  sunrpc: gss_pipe_downcall(), don't assume all errors are transient
  NFS: Fix the ustat() regression

1 files changed, 1 insertions, 1 deletions

diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 18f0a8dcc095..c59f3ca2b41b 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -280,7 +280,7 @@ rpc_pipe_poll(struct file *filp, struct poll_table_struct *wait)
         mask = POLLOUT | POLLWRNORM;
         if (rpci->ops == NULL)
                 mask |= POLLERR | POLLHUP;
-        if (!list_empty(&rpci->pipe))
+        if (filp->private_data || !list_empty(&rpci->pipe))
                 mask |= POLLIN | POLLRDNORM;
         return mask;
 }