summaryrefslogtreecommitdiff
path: root/libdde_linux26/contrib/include/linux/nfsd/const.h
diff options
context:
space:
mode:
authorSamuel Thibault <samuel.thibault@ens-lyon.org>2012-02-19 06:16:15 +0000
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2012-02-19 06:16:15 +0000
commit34e3b522eca7e8741cecb7c2241091f181d1bd1f (patch)
tree3b64ac3aa4603539b8f8f384bc39998e29948900 /libdde_linux26/contrib/include/linux/nfsd/const.h
parentd4e6a14eb3fad1b43a21214db139db441025baf5 (diff)
parent6fafeb146e9efd59140ea58cebd7dd38ae9a6379 (diff)
Merge branch 'upstream-merged'
Diffstat (limited to 'libdde_linux26/contrib/include/linux/nfsd/const.h')
-rw-r--r--libdde_linux26/contrib/include/linux/nfsd/const.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/libdde_linux26/contrib/include/linux/nfsd/const.h b/libdde_linux26/contrib/include/linux/nfsd/const.h
new file mode 100644
index 00000000..323f8cfa
--- /dev/null
+++ b/libdde_linux26/contrib/include/linux/nfsd/const.h
@@ -0,0 +1,55 @@
+/*
+ * include/linux/nfsd/const.h
+ *
+ * Various constants related to NFS.
+ *
+ * Copyright (C) 1995-1997 Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifndef _LINUX_NFSD_CONST_H
+#define _LINUX_NFSD_CONST_H
+
+#include <linux/nfs.h>
+#include <linux/nfs2.h>
+#include <linux/nfs3.h>
+#include <linux/nfs4.h>
+
+/*
+ * Maximum protocol version supported by knfsd
+ */
+#define NFSSVC_MAXVERS 3
+
+/*
+ * Maximum blocksizes supported by daemon under various circumstances.
+ */
+#define NFSSVC_MAXBLKSIZE RPCSVC_MAXPAYLOAD
+/* NFSv2 is limited by the protocol specification, see RFC 1094 */
+#define NFSSVC_MAXBLKSIZE_V2 (8*1024)
+
+#ifdef __KERNEL__
+
+#include <linux/sunrpc/msg_prot.h>
+
+/*
+ * Largest number of bytes we need to allocate for an NFS
+ * call or reply. Used to control buffer sizes. We use
+ * the length of v3 WRITE, READDIR and READDIR replies
+ * which are an RPC header, up to 26 XDR units of reply
+ * data, and some page data.
+ *
+ * Note that accuracy here doesn't matter too much as the
+ * size is rounded up to a page size when allocating space.
+ */
+#define NFSD_BUFSIZE ((RPC_MAX_HEADER_WITH_AUTH+26)*XDR_UNIT + NFSSVC_MAXBLKSIZE)
+
+#ifdef CONFIG_NFSD_V4
+# define NFSSVC_XDRSIZE NFS4_SVC_XDRSIZE
+#elif defined(CONFIG_NFSD_V3)
+# define NFSSVC_XDRSIZE NFS3_SVC_XDRSIZE
+#else
+# define NFSSVC_XDRSIZE NFS2_SVC_XDRSIZE
+#endif
+
+#endif /* __KERNEL__ */
+
+#endif /* _LINUX_NFSD_CONST_H */