projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * include/linux/nfsd/const.h | |
| 3 | * | |
| 4 | * Various constants related to NFS. | |
| 5 | * | |
| 6 | * Copyright (C) 1995-1997 Olaf Kirch <okir@monad.swb.de> | |
| 7 | */ | |
| 8 | ||
| 9 | #ifndef _LINUX_NFSD_CONST_H | |
| 10 | #define _LINUX_NFSD_CONST_H | |
| 11 | ||
| 12 | #include <linux/nfs.h> | |
| 13 | #include <linux/nfs2.h> | |
| 14 | #include <linux/nfs3.h> | |
| 15 | #include <linux/nfs4.h> | |
| 16 | ||
| 17 | /* | |
| 18 | * Maximum protocol version supported by knfsd | |
| 19 | */ | |
| 20 | #define NFSSVC_MAXVERS 3 | |
| 21 | ||
| 22 | /* | |
| 596bbe53 | 23 | * Maximum blocksizes supported by daemon under various circumstances. |
| 1da177e4 | 24 | */ |
| 596bbe53 | 25 | #define NFSSVC_MAXBLKSIZE RPCSVC_MAXPAYLOAD |
| 7adae489 GB |
26 | /* NFSv2 is limited by the protocol specification, see RFC 1094 */ |
| 27 | #define NFSSVC_MAXBLKSIZE_V2 (8*1024) | |
| 1da177e4 LT |
28 | |
| 29 | #ifdef __KERNEL__ | |
| 30 | ||
| f7aa2638 CLG |
31 | #include <linux/sunrpc/msg_prot.h> |
| 32 | ||
| 7adae489 GB |
33 | /* |
| 34 | * Largest number of bytes we need to allocate for an NFS | |
| 35 | * call or reply. Used to control buffer sizes. We use | |
| 36 | * the length of v3 WRITE, READDIR and READDIR replies | |
| 37 | * which are an RPC header, up to 26 XDR units of reply | |
| 38 | * data, and some page data. | |
| 39 | * | |
| 40 | * Note that accuracy here doesn't matter too much as the | |
| 41 | * size is rounded up to a page size when allocating space. | |
| 42 | */ | |
| 43 | #define NFSD_BUFSIZE ((RPC_MAX_HEADER_WITH_AUTH+26)*XDR_UNIT + NFSSVC_MAXBLKSIZE) | |
| 1da177e4 LT |
44 | |
| 45 | #ifdef CONFIG_NFSD_V4 | |
| 46 | # define NFSSVC_XDRSIZE NFS4_SVC_XDRSIZE | |
| 47 | #elif defined(CONFIG_NFSD_V3) | |
| 48 | # define NFSSVC_XDRSIZE NFS3_SVC_XDRSIZE | |
| 49 | #else | |
| 50 | # define NFSSVC_XDRSIZE NFS2_SVC_XDRSIZE | |
| 51 | #endif | |
| 52 | ||
| 53 | #endif /* __KERNEL__ */ | |
| 54 | ||
| 55 | #endif /* _LINUX_NFSD_CONST_H */ |