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