3 files changed, 6 insertions, 2 deletions

diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 423e1ba07044..e170030d45da 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -837,7 +837,7 @@ nfsd_vfs_read(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file,
         if (ra && ra->p_set)
                 file->f_ra = ra->p_ra;
 
-        if (file->f_op->sendfile) {
+        if (file->f_op->sendfile && rqstp->rq_sendfile_ok) {
                 svc_pushback_unused_pages(rqstp);
                 err = file->f_op->sendfile(file, &offset, *count,
                                                  nfsd_read_actor, rqstp);
diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index 503564384545..7b27c09b5604 100644
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -159,7 +159,9 @@ struct svc_rqst {
                                                  * determine what device number
                                                  * to report (real or virtual)
                                                  */
-
+        int                     rq_sendfile_ok; /* turned off in gss privacy
+                                                 * to prevent encrypting page
+                                                 * cache pages */
         wait_queue_head_t       rq_wait;        /* synchronization */
 };
 
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index b08419e1fc68..fb168a30fd3f 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -281,6 +281,8 @@ svc_process(struct svc_serv *serv, struct svc_rqst *rqstp)
         rqstp->rq_res.page_len = 0;
         rqstp->rq_res.buflen = PAGE_SIZE;
         rqstp->rq_res.tail[0].iov_len = 0;
+        /* Will be turned off only in gss privacy case: */
+        rqstp->rq_sendfile_ok = 1;
         /* tcp needs a space for the record length... */
         if (rqstp->rq_prot == IPPROTO_TCP)
                 svc_putu32(resv, 0);