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authorJ. Bruce Fields <bfields@redhat.com>2011-08-19 11:38:52 -0400
committerJ. Bruce Fields <bfields@redhat.com>2011-08-26 18:22:52 -0400
commitc10bd39d800d42adef55ed9016f802677cd0ab5f (patch)
tree35b3301cf478bb3fed38eea2928548eea3e332c7 /fs/nfsd/nfsd.h
parent8cfb79134027e96bc11067da00d7ca73e58e69ce (diff)
downloadop-kernel-dev-c10bd39d800d42adef55ed9016f802677cd0ab5f.zip
op-kernel-dev-c10bd39d800d42adef55ed9016f802677cd0ab5f.tar.gz
Remove include/linux/nfsd/const.h
Userspace shouldn't have a use for these constants. Nothing here is used outside fs/nfsd. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/nfsd.h')
-rw-r--r--fs/nfsd/nfsd.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/fs/nfsd/nfsd.h b/fs/nfsd/nfsd.h
index 7ecfa24..8da03e1 100644
--- a/fs/nfsd/nfsd.h
+++ b/fs/nfsd/nfsd.h
@@ -11,13 +11,39 @@
#include <linux/types.h>
#include <linux/mount.h>
+#include <linux/nfs.h>
+#include <linux/nfs2.h>
+#include <linux/nfs3.h>
+#include <linux/nfs4.h>
+#include <linux/sunrpc/msg_prot.h>
+
#include <linux/nfsd/debug.h>
#include <linux/nfsd/export.h>
#include <linux/nfsd/stats.h>
+
/*
* nfsd version
*/
#define NFSD_SUPPORTED_MINOR_VERSION 1
+/*
+ * 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)
+
+
+/*
+ * 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)
struct readdir_cd {
__be32 err; /* 0, nfserr, or nfserr_eof */
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