1 #include <u.h>
2 #include <libc.h>
3 #include <thread.h>
4 #include <sunrpc.h>
5 #include <nfs3.h>
6 #include <diskfs.h>
7 
8 int allowall;
9 
10 static Fsys *(*opentab[])(Disk*) =
11 {
12 	fsysopenffs,
13 	fsysopenhfs,
14 	fsysopenkfs,
15 	fsysopenext2,
16 	fsysopenfat,
17 };
18 
19 Fsys*
20 fsysopen(Disk *disk)
21 {
22 	int i;
23 	Fsys *fsys;
24 
25 	for(i=0; i<nelem(opentab); i++)
26 		if((fsys = (*opentab[i])(disk)) != nil)
27 			return fsys;
28 	return nil;
29 }
30 
31 Block*
32 fsysreadblock(Fsys *fsys, u64int blockno)
33 {
34 	if(!fsys->_readblock){
35 		werrstr("no read dispatch function");
36 		return nil;
37 	}
38 	return (*fsys->_readblock)(fsys, blockno);
39 }
40 
41 int
42 fsyssync(Fsys *fsys)
43 {
44 	if(disksync(fsys->disk) < 0)
45 		return -1;
46 	if(!fsys->_sync)
47 		return 0;
48 	return (*fsys->_sync)(fsys);
49 }
50 
51 void
52 fsysclose(Fsys *fsys)
53 {
54 	if(!fsys->_close){
55 		fprint(2, "no fsysClose\n");
56 		abort();
57 	}
58 	(*fsys->_close)(fsys);
59 }
60 
61 Nfs3Status
62 fsysroot(Fsys *fsys, Nfs3Handle *h)
63 {
64 	if(!fsys->_root)
65 		return Nfs3ErrNxio;
66 	return (*fsys->_root)(fsys, h);
67 }
68 
69 Nfs3Status
70 fsyslookup(Fsys *fsys, SunAuthUnix *au, Nfs3Handle *h, char *name, Nfs3Handle *nh)
71 {
72 	if(!fsys->_lookup)
73 		return Nfs3ErrNxio;
74 	return (*fsys->_lookup)(fsys, au, h, name, nh);
75 }
76 
77 Nfs3Status
78 fsysgetattr(Fsys *fsys, SunAuthUnix *au, Nfs3Handle *h, Nfs3Attr *attr)
79 {
80 	if(!fsys->_getattr)
81 		return Nfs3ErrNxio;
82 	return (*fsys->_getattr)(fsys, au, h, attr);
83 }
84 
85 Nfs3Status
86 fsysreaddir(Fsys *fsys, SunAuthUnix *au, Nfs3Handle *h, u32int count, u64int cookie, uchar **e, u32int *ne, u1int *peof)
87 {
88 	if(!fsys->_readdir)
89 		return Nfs3ErrNxio;
90 	return (*fsys->_readdir)(fsys, au, h, count, cookie, e, ne, peof);
91 }
92 
93 Nfs3Status
94 fsysreadfile(Fsys *fsys, SunAuthUnix *au, Nfs3Handle *h, u32int count, u64int offset, uchar **data, u32int *pcount, uchar *peof)
95 {
96 	if(!fsys->_readfile)
97 		return Nfs3ErrNxio;
98 	return (*fsys->_readfile)(fsys, au, h, count, offset, data, pcount, peof);
99 }
100 
101 Nfs3Status
102 fsysreadlink(Fsys *fsys, SunAuthUnix *au, Nfs3Handle *h, char **plink)
103 {
104 	if(!fsys->_readlink)
105 		return Nfs3ErrNxio;
106 	return (*fsys->_readlink)(fsys, au, h, plink);
107 }
108 
109 Nfs3Status
110 fsysaccess(Fsys *fsys, SunAuthUnix *au, Nfs3Handle *h, u32int want, u32int *got, Nfs3Attr *attr)
111 {
112 	if(!fsys->_access)
113 		return Nfs3ErrNxio;
114 	return (*fsys->_access)(fsys, au, h, want, got, attr);
115 }