blob: 082f2c910e839dc54faaddf989164380ae7fe94b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
/*
* linux/include/asm-arm/namei.h
*
* Routines to handle famous /usr/gnemul
* Derived from the Sparc version of this file
*
* Included from linux/fs/namei.c
*/
#ifndef __ASMARM_NAMEI_H
#define __ASMARM_NAMEI_H
#define ARM_BSD_EMUL "usr/gnemul/bsd/"
static inline struct dentry *
__arm_lookup_dentry(const char *name, int lookup_flags)
{
struct dentry *base;
char *emul;
switch (current->personality) {
case PER_BSD:
emul = ARM_BSD_EMUL; break;
default:
return NULL;
}
base = lookup_dentry (emul, dget (current->fs->root),
(LOOKUP_FOLLOW | LOOKUP_DIRECTORY | LOOKUP_SLASHOK));
if (IS_ERR (base)) return NULL;
base = lookup_dentry (name, base, lookup_flags);
if (IS_ERR (base)) return NULL;
if (!base->d_inode) {
struct dentry *fromroot;
fromroot = lookup_dentry (name, dget (current->fs->root),
lookup_flags);
if (IS_ERR (fromroot)) return base;
if (fromroot->d_inode) {
dput(base);
return fromroot;
}
dput(fromroot);
}
return base;
}
#define __prefix_lookup_dentry(name, lookup_flags) \
if (current->personality) { \
dentry = __arm_lookup_dentry (name, lookup_flags); \
if (dentry) return dentry; \
}
#endif /* __ASMARM_NAMEI_H */
|
