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1.1 root 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, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. All advertising materials mentioning features or use of this software
17: * must display the following acknowledgement:
18: * This product includes software developed by the University of
19: * California, Berkeley and its contributors.
20: * 4. Neither the name of the University nor the names of its contributors
21: * may be used to endorse or promote products derived from this software
22: * without specific prior written permission.
23: *
24: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34: * SUCH DAMAGE.
35: *
1.1.1.3 ! root 36: * from: @(#)nfsmount.h 7.7 (Berkeley) 4/16/91
! 37: * nfsmount.h,v 1.2 1993/05/20 03:19:09 cgd Exp
1.1 root 38: */
39:
1.1.1.2 root 40: #ifndef _NFS_NFSMOUNT_H_
41: #define _NFS_NFSMOUNT_H_
42:
1.1 root 43: /*
44: * Mount structure.
45: * One allocated on every NFS mount.
46: * Holds NFS specific information for mount.
47: */
48: struct nfsmount {
49: int nm_flag; /* Flags for soft/hard... */
50: struct mount *nm_mountp; /* Vfs structure for this filesystem */
51: nfsv2fh_t nm_fh; /* File handle of root dir */
52: struct socket *nm_so; /* Rpc socket */
53: int nm_sotype; /* Type of socket */
54: int nm_soproto; /* and protocol */
55: int nm_soflags; /* pr_flags for socket protocol */
56: struct mbuf *nm_nam; /* Addr of server */
57: short nm_retry; /* Max retry count */
58: short nm_rexmit; /* Rexmit on previous request */
59: short nm_rtt; /* Round trip timer ticks @ NFS_HZ */
60: short nm_rto; /* Current timeout */
61: short nm_srtt; /* Smoothed round trip time */
62: short nm_rttvar; /* RTT variance */
63: short nm_currto; /* Current rto of any nfsmount */
64: short nm_currexmit; /* Max rexmit count of nfsmounts */
65: short nm_sent; /* Request send count */
66: short nm_window; /* Request send window (max) */
67: short nm_winext; /* Window incremental value */
68: short nm_ssthresh; /* Slowstart threshold */
69: short nm_salen; /* Actual length of nm_sockaddr */
70: int nm_rsize; /* Max size of read rpc */
71: int nm_wsize; /* Max size of write rpc */
72: };
73:
74: #ifdef KERNEL
75: /*
76: * Convert mount ptr to nfsmount ptr.
77: */
78: #define VFSTONFS(mp) ((struct nfsmount *)((mp)->mnt_data))
79: #endif /* KERNEL */
80:
81: /*
82: * Prototypes for NFS mount operations
83: */
84: int nfs_mount __P((
85: struct mount *mp,
86: char *path,
87: caddr_t data,
88: struct nameidata *ndp,
89: struct proc *p));
90: int nfs_start __P((
91: struct mount *mp,
92: int flags,
93: struct proc *p));
94: int nfs_unmount __P((
95: struct mount *mp,
96: int mntflags,
97: struct proc *p));
98: int nfs_root __P((
99: struct mount *mp,
100: struct vnode **vpp));
101: int nfs_quotactl __P((
102: struct mount *mp,
103: int cmds,
104: int uid, /* should be uid_t */
105: caddr_t arg,
106: struct proc *p));
107: int nfs_statfs __P((
108: struct mount *mp,
109: struct statfs *sbp,
110: struct proc *p));
111: int nfs_sync __P((
112: struct mount *mp,
113: int waitfor));
114: int nfs_fhtovp __P((
115: struct mount *mp,
116: struct fid *fhp,
117: struct vnode **vpp));
118: int nfs_vptofh __P((
119: struct vnode *vp,
120: struct fid *fhp));
121: int nfs_init __P(());
1.1.1.2 root 122:
123: #endif /* !_NFS_NFSMOUNT_H_ */
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