cifs: add pid field to cifs_writedata

We'll need this to handle rwpidforward option correctly when we use
async writes in the aio_write op.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Pavel Shilovsky <piastry@etersoft.ru>

1 files changed, 1 insertions, 0 deletions

diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index 95ee5a64e0b0..9e68340c7306 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -487,6 +487,7 @@ struct cifs_writedata {
         struct work_struct              work;
         struct cifsFileInfo             *cfile;
         __u64                           offset;
+        pid_t                           pid;
         unsigned int                    bytes;
         int                             result;
         unsigned int                    nr_pages;