[PATCH] NFSD: Add server support for NFSv3 ACLs.

 This adds functions for encoding and decoding POSIX ACLs for the NFSACL
 protocol extension, and the GETACL and SETACL RPCs.  The implementation is
 compatible with NFSACL in Solaris.

 Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
 Acked-by: Olaf Kirch <okir@suse.de>
 Signed-off-by: Andrew Morton <akpm@osdl.org>
 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index facb94488bb1..5af8800e0ce3 100644
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -185,6 +185,17 @@ xdr_ressize_check(struct svc_rqst *rqstp, u32 *p)
         return vec->iov_len <= PAGE_SIZE;
 }
 
+static inline struct page *
+svc_take_res_page(struct svc_rqst *rqstp)
+{
+        if (rqstp->rq_arghi <= rqstp->rq_argused)
+                return NULL;
+        rqstp->rq_arghi--;
+        rqstp->rq_respages[rqstp->rq_resused] =
+                rqstp->rq_argpages[rqstp->rq_arghi];
+        return rqstp->rq_respages[rqstp->rq_resused++];
+}
+
 static inline int svc_take_page(struct svc_rqst *rqstp)
 {
         if (rqstp->rq_arghi <= rqstp->rq_argused)