projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| a2907882 KM |
1 | /* |
| 2 | * Copyright (c) 1989 The Regents of the University of California. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * This code is derived from software contributed to Berkeley by | |
| 6 | * Rick Macklem at The University of Guelph. | |
| 7 | * | |
| 8 | * Redistribution and use in source and binary forms are permitted | |
| 9 | * provided that the above copyright notice and this paragraph are | |
| 10 | * duplicated in all such forms and that any documentation, | |
| 11 | * advertising materials, and other materials related to such | |
| 12 | * distribution and use acknowledge that the software was developed | |
| 13 | * by the University of California, Berkeley. The name of the | |
| 14 | * University may not be used to endorse or promote products derived | |
| 15 | * from this software without specific prior written permission. | |
| 16 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
| 17 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
| 18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
| 19 | * | |
| 9238aa59 | 20 | * @(#)nfs.h 7.3 (Berkeley) %G% |
| a2907882 KM |
21 | */ |
| 22 | ||
| 23 | /* | |
| 24 | * Tunable constants for nfs | |
| 25 | */ | |
| 26 | #define MAX_IOVEC 10 | |
| 36c3043b KM |
27 | #define NFS_TIMEO 10 /* Timeout in .1 sec intervals */ |
| 28 | #define NFS_MAXTIMEO 600 /* Max timeout to backoff too in .1 sec */ | |
| a2907882 KM |
29 | #define NFS_ATTRTIMEO 5 /* Attribute cache timeout in sec */ |
| 30 | #define NFS_RETRANS 10 /* Num of retrans for soft mounts */ | |
| 36c3043b KM |
31 | #define NFS_WSIZE 8192 /* Max. write data size <= 8192 */ |
| 32 | #define NFS_RSIZE 8192 /* Max. read data size <= 8192 */ | |
| a2907882 | 33 | #define MAX_READDIR NFS_RSIZE /* Max. size of directory read */ |
| ffe6f482 KM |
34 | #define MAX_ASYNCDAEMON 20 /* Max. number of async_daemons runnable */ |
| 35 | #define NMOD(a) ((a) % nfs_asyncdaemons) | |
| a2907882 KM |
36 | |
| 37 | /* | |
| 38 | * Nfs outstanding request list element | |
| 39 | */ | |
| 40 | struct nfsreq { | |
| 41 | struct nfsreq *r_next; | |
| 42 | struct nfsreq *r_prev; | |
| 43 | struct mbuf *r_mreq; | |
| 44 | struct mbuf *r_mrep; | |
| 45 | struct nfsmount *r_mntp; | |
| 46 | struct vnode *r_vp; | |
| 47 | int r_msiz; | |
| 48 | u_long r_xid; | |
| ffe6f482 | 49 | u_long r_inaddr; |
| a2907882 KM |
50 | u_long r_retry; |
| 51 | u_long r_timeout; | |
| 52 | u_long r_timer; | |
| 53 | }; | |
| 54 | ||
| 55 | /* | |
| 56 | * Silly rename structure that hangs off the nfsnode until the name | |
| 57 | * can be removed by nfs_inactive() | |
| 58 | */ | |
| 59 | struct sillyrename { | |
| 60 | int s_flag; | |
| 61 | nfsv2fh_t s_fh; | |
| 62 | struct nameidata s_namei; | |
| 63 | }; | |
| 64 | ||
| 65 | /* And its flag values */ | |
| 66 | #define REMOVE 0 | |
| 67 | #define RMDIR 1 | |
| 68 | ||
| 69 | /* | |
| 70 | * Stats structure | |
| 71 | */ | |
| 72 | struct nfsstats { | |
| 73 | int attrcache_hits; | |
| 74 | int attrcache_misses; | |
| 75 | int lookupcache_hits; | |
| 76 | int lookupcache_misses; | |
| 77 | int rpccnt[NFS_NPROCS]; | |
| 78 | int rpcretries; | |
| 79 | int srvrpccnt[NFS_NPROCS]; | |
| 80 | int srvrpc_errs; | |
| 81 | int srv_errs; | |
| 82 | }; | |
| 83 | ||
| 84 | #ifdef KERNEL | |
| 85 | struct nfsstats nfsstats; | |
| 86 | #endif |