2 * Copyright (c) 2009 Rick Macklem, University of Guelph
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * Extra stuff for a NFSv4 nfsnode.
34 * MALLOC'd to the correct length for the name and file handle.
35 * n4_data has the file handle, followed by the file name.
36 * The macro NFS4NODENAME() returns a pointer to the start of the
45 #define NFS4NODENAME(n) (&((n)->n4_data[(n)->n4_fhlen]))
48 * Just a macro to convert the nfscl_reqstart arguments.
50 #define NFSCL_REQSTART(n, p, v) \
51 nfscl_reqstart((n), (p), VFSTONFS((v)->v_mount), \
52 VTONFS(v)->n_fhp->nfh_fh, VTONFS(v)->n_fhp->nfh_len, NULL, \
56 * These two macros convert between a lease duration and renew interval.
57 * For now, just make the renew interval 1/2 the lease duration.
58 * (They should be inverse operators.)
60 #define NFSCL_RENEW(l) (((l) < 2) ? 1 : ((l) / 2))
61 #define NFSCL_LEASE(r) ((r) * 2)
63 /* This macro checks to see if a forced dismount is about to occur. */
64 #define NFSCL_FORCEDISM(m) (((m)->mnt_kern_flag & MNTK_UNMOUNTF) != 0 || \
65 (VFSTONFS(m)->nm_privflag & NFSMNTP_FORCEDISM) != 0)
68 * These flag bits are used for the argument to nfscl_fillsattr() to
69 * indicate special handling of the attributes.
71 #define NFSSATTR_FULL 0x1
72 #define NFSSATTR_SIZE0 0x2
73 #define NFSSATTR_SIZENEG1 0x4
74 #define NFSSATTR_SIZERDEV 0x8
76 /* Use this macro for debug printfs. */
77 #define NFSCL_DEBUG(level, ...) do { \
78 if (nfscl_debuglevel >= (level)) \
79 printf(__VA_ARGS__); \
82 #endif /* _NFS_NFSCL_H */