diff options
Diffstat (limited to 'fs/nfsd/nfsd.h')
| -rw-r--r-- | fs/nfsd/nfsd.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/fs/nfsd/nfsd.h b/fs/nfsd/nfsd.h index 7ecfa2420307..8da03e16ab35 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 */ |