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source: rtems/c/src/libnetworking/sys/mount.h @ 9b05600

4.104.114.84.95

Last change on this file since 9b05600 was 39e6e65a, checked in by Joel Sherrill <joel.sherrill@…>, on 08/19/98 at 21:32:28
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1	/*
2	* Copyright (c) 1989, 1991, 1993
3	* The Regents of the University of California. All rights reserved.
4	*
5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions
7	* are met:
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.
13	* 3. All advertising materials mentioning features or use of this software
14	* must display the following acknowledgement:
15	* This product includes software developed by the University of
16	* California, Berkeley and its contributors.
17	* 4. Neither the name of the University nor the names of its contributors
18	* may be used to endorse or promote products derived from this software
19	* without specific prior written permission.
20	*
21	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31	* SUCH DAMAGE.
32	*
33	* @(#)mount.h 8.13 (Berkeley) 3/27/94
34	* $Id$
35	*/
36
37	#ifndef _SYS_MOUNT_H_
38	#define _SYS_MOUNT_H_
39
40	#ifndef KERNEL
41	#include <sys/ucred.h>
42	#endif
43	#include <sys/queue.h>
44
45	typedef struct fsid { long val[2]; } fsid_t; /* file system id type */
46
47	/*
48	* File identifier.
49	* These are unique per filesystem on a single machine.
50	*/
51	#define MAXFIDSZ 16
52
53	struct fid {
54	u_short fid_len; /* length of data in bytes */
55	u_short fid_reserved; /* force longword alignment */
56	char fid_data[MAXFIDSZ]; /* data (variable length) */
57	};
58
59	/*
60	* file system statistics
61	*/
62
63	#define MNAMELEN 90 /* length of buffer for returned name */
64
65	struct statfs {
66	long f_spare2; /* placeholder */
67	long f_bsize; /* fundamental file system block size */
68	long f_iosize; /* optimal transfer block size */
69	long f_blocks; /* total data blocks in file system */
70	long f_bfree; /* free blocks in fs */
71	long f_bavail; /* free blocks avail to non-superuser */
72	long f_files; /* total file nodes in file system */
73	long f_ffree; /* free file nodes in fs */
74	fsid_t f_fsid; /* file system id */
75	uid_t f_owner; /* user that mounted the filesystem */
76	int f_type; /* type of filesystem (see below) */
77	int f_flags; /* copy of mount flags */
78	long f_spare[6]; /* spare for later */
79	char f_mntonname[MNAMELEN]; /* directory on which mounted */
80	char f_mntfromname[MNAMELEN];/* mounted filesystem */
81	};
82
83	/*
84	* File system types.
85	*/
86	#define MOUNT_NONE 0
87	#define MOUNT_UFS 1 /* Fast Filesystem */
88	#define MOUNT_NFS 2 /* Sun-compatible Network Filesystem */
89	#define MOUNT_MFS 3 /* Memory-based Filesystem */
90	#define MOUNT_MSDOS 4 /* MS/DOS Filesystem */
91	#define MOUNT_LFS 5 /* Log-based Filesystem */
92	#define MOUNT_LOFS 6 /* Loopback Filesystem */
93	#define MOUNT_FDESC 7 /* File Descriptor Filesystem */
94	#define MOUNT_PORTAL 8 /* Portal Filesystem */
95	#define MOUNT_NULL 9 /* Minimal Filesystem Layer */
96	#define MOUNT_UMAP 10 /* User/Group Identifier Remapping Filesystem */
97	#define MOUNT_KERNFS 11 /* Kernel Information Filesystem */
98	#define MOUNT_PROCFS 12 /* /proc Filesystem */
99	#define MOUNT_AFS 13 /* Andrew Filesystem */
100	#define MOUNT_CD9660 14 /* ISO9660 (aka CDROM) Filesystem */
101	#define MOUNT_UNION 15 /* Union (translucent) Filesystem */
102	#define MOUNT_DEVFS 16 /* existing device Filesystem */
103	#define MOUNT_EXT2FS 17 /* Linux EXT2FS */
104	#define MOUNT_TFS 18 /* Netcon Novell filesystem */
105	#define MOUNT_CFS 19 /* Coda filesystem */
106	#define MOUNT_MAXTYPE 19
107
108	#define INITMOUNTNAMES { \
109	"none", /* 0 MOUNT_NONE */ \
110	"ufs", /* 1 MOUNT_UFS */ \
111	"nfs", /* 2 MOUNT_NFS */ \
112	"mfs", /* 3 MOUNT_MFS */ \
113	"msdos", /* 4 MOUNT_MSDOS */ \
114	"lfs", /* 5 MOUNT_LFS */ \
115	"lofs", /* 6 MOUNT_LOFS */ \
116	"fdesc", /* 7 MOUNT_FDESC */ \
117	"portal", /* 8 MOUNT_PORTAL */ \
118	"null", /* 9 MOUNT_NULL */ \
119	"umap", /* 10 MOUNT_UMAP */ \
120	"kernfs", /* 11 MOUNT_KERNFS */ \
121	"procfs", /* 12 MOUNT_PROCFS */ \
122	"afs", /* 13 MOUNT_AFS */ \
123	"cd9660", /* 14 MOUNT_CD9660 */ \
124	"union", /* 15 MOUNT_UNION */ \
125	"devfs", /* 16 MOUNT_DEVFS */ \
126	"ext2fs", /* 17 MOUNT_EXT2FS */ \
127	"tfs", /* 18 MOUNT_TFS */ \
128	"cfs", /* 19 MOUNT_CFS */ \
129	0, /* 20 MOUNT_SPARE */ \
130	}
131
132	/*
133	* Structure per mounted file system. Each mounted file system has an
134	* array of operations and an instance record. The file systems are
135	* put on a doubly linked list.
136	*/
137	LIST_HEAD(vnodelst, vnode);
138
139	struct mount {
140	CIRCLEQ_ENTRY(mount) mnt_list; /* mount list */
141	struct vfsops mnt_op; / operations on fs */
142	struct vfsconf mnt_vfc; / configuration info */
143	struct vnode mnt_vnodecovered; / vnode we mounted on */
144	struct vnodelst mnt_vnodelist; /* list of vnodes this mount */
145	int mnt_flag; /* flags */
146	int mnt_maxsymlinklen; /* max size of short symlink */
147	struct statfs mnt_stat; /* cache of filesystem stats */
148	qaddr_t mnt_data; /* private data */
149	/* struct vfsconf mnt_vfc; / /* configuration info */
150	time_t mnt_time; /* last time written*/
151	};
152
153	/*
154	* Mount flags.
155	*
156	* Unmount uses MNT_FORCE flag.
157	*/
158	#define MNT_RDONLY 0x00000001 /* read only filesystem */
159	#define MNT_SYNCHRONOUS 0x00000002 /* file system written synchronously */
160	#define MNT_NOEXEC 0x00000004 /* can't exec from filesystem */
161	#define MNT_NOSUID 0x00000008 /* don't honor setuid bits on fs */
162	#define MNT_NODEV 0x00000010 /* don't interpret special files */
163	#define MNT_UNION 0x00000020 /* union with underlying filesystem */
164	#define MNT_ASYNC 0x00000040 /* file system written asynchronously */
165	#define MNT_NOATIME 0x10000000 /* Disable update of file access times */
166
167	/*
168	* exported mount flags.
169	*/
170	#define MNT_EXRDONLY 0x00000080 /* exported read only */
171	#define MNT_EXPORTED 0x00000100 /* file system is exported */
172	#define MNT_DEFEXPORTED 0x00000200 /* exported to the world */
173	#define MNT_EXPORTANON 0x00000400 /* use anon uid mapping for everyone */
174	#define MNT_EXKERB 0x00000800 /* exported with Kerberos uid mapping */
175
176	/*
177	* Flags set by internal operations.
178	*/
179	#define MNT_LOCAL 0x00001000 /* filesystem is stored locally */
180	#define MNT_QUOTA 0x00002000 /* quotas are enabled on filesystem */
181	#define MNT_ROOTFS 0x00004000 /* identifies the root filesystem */
182	#define MNT_USER 0x00008000 /* mounted by a user */
183
184	/*
185	* Mask of flags that are visible to statfs()
186	*/
187	#define MNT_VISFLAGMASK (MNT_RDONLY\|MNT_SYNCHRONOUS\|MNT_NOEXEC\|MNT_NOSUID\| \
188	MNT_NODEV\|MNT_UNION\|MNT_ASYNC\|MNT_EXRDONLY\|MNT_EXPORTED\| \
189	MNT_DEFEXPORTED\|MNT_EXPORTANON\|MNT_EXKERB\|MNT_LOCAL\| \
190	MNT_QUOTA\|MNT_ROOTFS\|MNT_USER\|MNT_NOATIME)
191
192	/*
193	* filesystem control flags.
194	*
195	* MNT_MLOCK lock the mount entry so that name lookup cannot proceed
196	* past the mount point. This keeps the subtree stable during mounts
197	* and unmounts.
198	*/
199	#define MNT_UPDATE 0x00010000 /* not a real mount, just an update */
200	#define MNT_DELEXPORT 0x00020000 /* delete export host lists */
201	#define MNT_RELOAD 0x00040000 /* reload filesystem data */
202	#define MNT_FORCE 0x00080000 /* force unmount or readonly change */
203	#define MNT_MLOCK 0x00100000 /* lock so that subtree is stable */
204	#define MNT_MWAIT 0x00200000 /* someone is waiting for lock */
205	#define MNT_MPBUSY 0x00400000 /* scan of mount point in progress */
206	#define MNT_MPWANT 0x00800000 /* waiting for mount point */
207	#define MNT_UNMOUNT 0x01000000 /* unmount in progress */
208	#define MNT_WANTRDWR 0x02000000 /* want upgrade to read/write */
209
210	/*
211	* used to get configured filesystems information
212	*/
213	#define VFS_MAXNAMELEN 32
214	struct vfsconf {
215	void *vfc_vfsops;
216	char vfc_name[VFS_MAXNAMELEN];
217	int vfc_index;
218	int vfc_refcount;
219	int vfc_flags;
220	};
221
222	/*
223	* NB: these flags refer to IMPLEMENTATION properties, not properties of
224	* any actual mounts; i.e., it does not make sense to change the flags.
225	*/
226	#define VFCF_STATIC 0x00000001 /* statically compiled into kernel */
227	#define VFCF_NETWORK 0x00000002 /* may get data over the network */
228	#define VFCF_READONLY 0x00000004 /* writes are not implemented */
229	#define VFCF_SYNTHETIC 0x00000008 /* data does not represent real files */
230	#define VFCF_LOOPBACK 0x00000010 /* aliases some other mounted FS */
231	#define VFCF_UNICODE 0x00000020 /* stores file names as Unicode*/
232
233	/*
234	* Operations supported on mounted file system.
235	*/
236	#ifdef KERNEL
237
238	extern int doforce; /* Flag to permit forcible unmounting. */
239	extern struct vfsconf void_vfsconf;
240	extern struct vfsconf *vfsconf[];
241
242	#ifdef __STDC__
243	struct nameidata;
244	struct mbuf;
245	#endif
246
247	struct vfsops {
248	int (vfs_mount) __P((struct mount mp, char *path, caddr_t data,
249	struct nameidata ndp, struct proc p));
250	int (vfs_start) __P((struct mount mp, int flags,
251	struct proc *p));
252	int (vfs_unmount) __P((struct mount mp, int mntflags,
253	struct proc *p));
254	int (vfs_root) __P((struct mount mp, struct vnode **vpp));
255	int (vfs_quotactl) __P((struct mount mp, int cmds, uid_t uid,
256	caddr_t arg, struct proc *p));
257	int (vfs_statfs) __P((struct mount mp, struct statfs *sbp,
258	struct proc *p));
259	int (vfs_sync) __P((struct mount mp, int waitfor,
260	struct ucred cred, struct proc p));
261	int (vfs_vget) __P((struct mount mp, ino_t ino,
262	struct vnode **vpp));
263	int (vfs_fhtovp) __P((struct mount mp, struct fid *fhp,
264	struct mbuf nam, struct vnode *vpp,
265	int exflagsp, struct ucred *credanonp));
266	int (vfs_vptofh) __P((struct vnode vp, struct fid *fhp));
267	int (*vfs_init) __P((void));
268	};
269
270	#define VFS_MOUNT(MP, PATH, DATA, NDP, P) \
271	(*(MP)->mnt_op->vfs_mount)(MP, PATH, DATA, NDP, P)
272	#define VFS_START(MP, FLAGS, P) (*(MP)->mnt_op->vfs_start)(MP, FLAGS, P)
273	#define VFS_UNMOUNT(MP, FORCE, P) (*(MP)->mnt_op->vfs_unmount)(MP, FORCE, P)
274	#define VFS_ROOT(MP, VPP) (*(MP)->mnt_op->vfs_root)(MP, VPP)
275	#define VFS_QUOTACTL(MP,C,U,A,P) (*(MP)->mnt_op->vfs_quotactl)(MP, C, U, A, P)
276	#define VFS_STATFS(MP, SBP, P) (*(MP)->mnt_op->vfs_statfs)(MP, SBP, P)
277	#define VFS_SYNC(MP, WAIT, C, P) (*(MP)->mnt_op->vfs_sync)(MP, WAIT, C, P)
278	#define VFS_VGET(MP, INO, VPP) (*(MP)->mnt_op->vfs_vget)(MP, INO, VPP)
279	#define VFS_FHTOVP(MP, FIDP, NAM, VPP, EXFLG, CRED) \
280	(*(MP)->mnt_op->vfs_fhtovp)(MP, FIDP, NAM, VPP, EXFLG, CRED)
281	#define VFS_VPTOFH(VP, FIDP) (*(VP)->v_mount->mnt_op->vfs_vptofh)(VP, FIDP)
282
283	#ifdef VFS_LKM
284	#include <sys/conf.h>
285	#include <sys/exec.h>
286	#include <sys/sysent.h>
287	#include <sys/lkm.h>
288
289	#define VFS_SET(vfsops, fsname, index, flags) \
290	static struct vfsconf _fs_vfsconf = { \
291	&vfsops, \
292	#fsname, \
293	index, \
294	0, \
295	flags \
296	}; \
297	extern struct linker_set MODVNOPS; \
298	MOD_VFS(#fsname,index,&MODVNOPS,&_fs_vfsconf); \
299	int \
300	fsname ## _mod(struct lkm_table *lkmtp, int cmd, int ver) { \
301	DISPATCH(lkmtp, cmd, ver, lkm_nullcmd, lkm_nullcmd, lkm_nullcmd); }
302	#else
303
304	#define VFS_SET(vfsops, fsname, index, flags) \
305	static struct vfsconf _fs_vfsconf = { \
306	&vfsops, \
307	#fsname, \
308	index, \
309	0, \
310	flags \| VFCF_STATIC \
311	}; \
312	DATA_SET(vfs_set,_fs_vfsconf)
313	#endif /* VFS_LKM */
314
315	#endif /* KERNEL */
316
317	/*
318	* Flags for various system call interfaces.
319	*
320	* waitfor flags to vfs_sync() and getfsstat()
321	*/
322	#define MNT_WAIT 1
323	#define MNT_NOWAIT 2
324
325	/*
326	* Generic file handle
327	*/
328	struct fhandle {
329	fsid_t fh_fsid; /* File system id of mount point */
330	struct fid fh_fid; /* File sys specific id */
331	};
332	typedef struct fhandle fhandle_t;
333
334	#ifdef KERNEL
335	#include <net/radix.h>
336	#include <sys/socket.h> /* XXX for AF_MAX */
337
338	/*
339	* Network address lookup element
340	*/
341	struct netcred {
342	struct radix_node netc_rnodes[2];
343	int netc_exflags;
344	struct ucred netc_anon;
345	};
346
347	/*
348	* Network export information
349	*/
350	struct netexport {
351	struct netcred ne_defexported; /* Default export */
352	struct radix_node_head ne_rtable[AF_MAX+1]; / Individual exports */
353	};
354	#endif /* KERNEL */
355
356	/*
357	* Export arguments for local filesystem mount calls.
358	*/
359	struct export_args {
360	int ex_flags; /* export related flags */
361	uid_t ex_root; /* mapping for root uid */
362	struct ucred ex_anon; /* mapping for anonymous user */
363	struct sockaddr ex_addr; / net address to which exported */
364	int ex_addrlen; /* and the net address length */
365	struct sockaddr ex_mask; / mask of valid bits in saddr */
366	int ex_masklen; /* and the smask length */
367	};
368
369	/*
370	* Arguments to mount UFS-based filesystems
371	*/
372	struct ufs_args {
373	char fspec; / block special device to mount */
374	struct export_args export; /* network export information */
375	};
376
377	#ifdef MFS
378	/*
379	* Arguments to mount MFS
380	*/
381	struct mfs_args {
382	char fspec; / name to export for statfs */
383	struct export_args export; /* if exported MFSes are supported */
384	caddr_t base; /* base of file system in memory */
385	u_long size; /* size of file system */
386	};
387	#endif /* MFS */
388
389	#ifdef MSDOSFS
390	/*
391	* Arguments to mount MSDOS filesystems.
392	*/
393	struct msdosfs_args {
394	char fspec; / blocks special holding the fs to mount */
395	struct export_args export; /* network export information */
396	uid_t uid; /* uid that owns msdosfs files */
397	gid_t gid; /* gid that owns msdosfs files */
398	mode_t mask; /* mask to be applied for msdosfs perms */
399	};
400	#endif
401
402	#ifdef CD9660
403	/*
404	* Arguments to mount ISO 9660 filesystems.
405	*/
406	struct iso_args {
407	char fspec; / block special device to mount */
408	struct export_args export; /* network export info */
409	int flags; /* mounting flags, see below */
410	int ssector; /* starting sector */
411
412	};
413	#define ISOFSMNT_NORRIP 0x00000001 /* disable Rock Ridge Ext.*/
414	#define ISOFSMNT_GENS 0x00000002 /* enable generation numbers */
415	#define ISOFSMNT_EXTATT 0x00000004 /* enable extended attributes */
416	#endif /* CD9660 */
417
418	#ifdef NFS
419	/*
420	* Arguments to mount NFS
421	*/
422	struct nfs_args {
423	struct sockaddr addr; / file server address */
424	int addrlen; /* length of address */
425	int sotype; /* Socket type */
426	int proto; /* and Protocol */
427	u_char fh; / File handle to be mounted */
428	int fhsize; /* Size, in bytes, of fh */
429	int flags; /* flags */
430	int wsize; /* write size in bytes */
431	int rsize; /* read size in bytes */
432	int readdirsize; /* readdir size in bytes */
433	int timeo; /* initial timeout in .1 secs */
434	int retrans; /* times to retry send */
435	int maxgrouplist; /* Max. size of group list */
436	int readahead; /* # of blocks to readahead */
437	int leaseterm; /* Term (sec) of lease */
438	int deadthresh; /* Retrans threshold */
439	char hostname; / server's name */
440	};
441
442	/*
443	* NFS mount option flags
444	*/
445	#define NFSMNT_SOFT 0x00000001 /* soft mount (hard is default) */
446	#define NFSMNT_WSIZE 0x00000002 /* set write size */
447	#define NFSMNT_RSIZE 0x00000004 /* set read size */
448	#define NFSMNT_TIMEO 0x00000008 /* set initial timeout */
449	#define NFSMNT_RETRANS 0x00000010 /* set number of request retrys */
450	#define NFSMNT_MAXGRPS 0x00000020 /* set maximum grouplist size */
451	#define NFSMNT_INT 0x00000040 /* allow interrupts on hard mount */
452	#define NFSMNT_NOCONN 0x00000080 /* Don't Connect the socket */
453	#define NFSMNT_NQNFS 0x00000100 /* Use Nqnfs protocol */
454	#define NFSMNT_NFSV3 0x00000200 /* Use NFS Version 3 protocol */
455	#define NFSMNT_KERB 0x00000400 /* Use Kerberos authentication */
456	#define NFSMNT_DUMBTIMR 0x00000800 /* Don't estimate rtt dynamically */
457	#define NFSMNT_LEASETERM 0x00001000 /* set lease term (nqnfs) */
458	#define NFSMNT_READAHEAD 0x00002000 /* set read ahead */
459	#define NFSMNT_DEADTHRESH 0x00004000 /* set dead server retry thresh */
460	#define NFSMNT_RESVPORT 0x00008000 /* Allocate a reserved port */
461	#define NFSMNT_RDIRPLUS 0x00010000 /* Use Readdirplus for V3 */
462	#define NFSMNT_READDIRSIZE 0x00020000 /* Set readdir size */
463	#define NFSMNT_INTERNAL 0xfffc0000 /* Bits set internally */
464	#define NFSMNT_HASWRITEVERF 0x00040000 /* Has write verifier for V3 */
465	#define NFSMNT_GOTPATHCONF 0x00080000 /* Got the V3 pathconf info */
466	#define NFSMNT_GOTFSINFO 0x00100000 /* Got the V3 fsinfo */
467	#define NFSMNT_MNTD 0x00200000 /* Mnt server for mnt point */
468	#define NFSMNT_DISMINPROG 0x00400000 /* Dismount in progress */
469	#define NFSMNT_DISMNT 0x00800000 /* Dismounted */
470	#define NFSMNT_SNDLOCK 0x01000000 /* Send socket lock */
471	#define NFSMNT_WANTSND 0x02000000 /* Want above */
472	#define NFSMNT_RCVLOCK 0x04000000 /* Rcv socket lock */
473	#define NFSMNT_WANTRCV 0x08000000 /* Want above */
474	#define NFSMNT_WAITAUTH 0x10000000 /* Wait for authentication */
475	#define NFSMNT_HASAUTH 0x20000000 /* Has authenticator */
476	#define NFSMNT_WANTAUTH 0x40000000 /* Wants an authenticator */
477	#define NFSMNT_AUTHERR 0x80000000 /* Authentication error */
478	#endif /* NFS */
479
480	#ifdef KERNEL
481	extern int (mountroot) __P((void ));
482	extern struct vfsops *mountrootvfsops;
483
484	/*
485	* exported vnode operations
486	*/
487	int dounmount __P((struct mount , int, struct proc ));
488	struct mount getvfs __P((fsid_t )); /* return vfs given fsid */
489	void getnewfsid __P((struct mount *, int));
490	int vflush __P((struct mount , struct vnode , int));
491	int vfs_export /* process mount export info */
492	__P((struct mount , struct netexport , struct export_args *));
493	struct netcred vfs_export_lookup / lookup host in fs export list */
494	__P((struct mount , struct netexport , struct mbuf *));
495	int vfs_lock __P((struct mount )); / lock a vfs */
496	int vfs_mountedon __P((struct vnode )); / is a vfs mounted on vp */
497	int vfs_mountroot __P((void )); / XXX goes away? */
498	void vfs_msync __P((struct mount *, int));
499	void vfs_unlock __P((struct mount )); / unlock a vfs */
500	void vfs_unmountall __P((void));
501	int vfs_busy __P((struct mount )); / mark a vfs busy */
502	void vfs_unbusy __P((struct mount )); / mark a vfs not busy */
503	extern CIRCLEQ_HEAD(mntlist, mount) mountlist; /* mounted filesystem list */
504	extern struct vfsops vfssw[]; / filesystem type table */
505
506	#else /* KERNEL */
507
508	#include <sys/cdefs.h>
509
510	__BEGIN_DECLS
511	int fstatfs __P((int, struct statfs *));
512	int getfh __P((const char , fhandle_t ));
513	int getfsstat __P((struct statfs *, long, int));
514	int getmntinfo __P((struct statfs **, int));
515	int mount __P((int, const char , int, void ));
516	int statfs __P((const char , struct statfs ));
517	int unmount __P((const char *, int));
518
519	/* C library stuff */
520	struct vfsconf getvfsbyname __P((const char ));
521	struct vfsconf *getvfsbytype __P((int));
522	struct vfsconf *getvfsent __P((void));
523	void setvfsent __P((int));
524	void endvfsent __P((void));
525	int vfsisloadable __P((const char *));
526	int vfsload __P((const char *));
527	__END_DECLS
528
529	#endif /* KERNEL */
530
531	#endif /* !_SYS_MOUNT_H_ */

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