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/* $Id: namei.h,v 1.14 1999/04/06 06:54:39 jj Exp $
* linux/include/asm-sparc64/namei.h
*
* Routines to handle famous /usr/gnemul/s*.
* Included from linux/fs/namei.c
*/
#ifndef __SPARC64_NAMEI_H
#define __SPARC64_NAMEI_H
#define SPARC_BSD_EMUL "usr/gnemul/sunos/"
#define SPARC_SOL_EMUL "usr/gnemul/solaris/"
static inline struct dentry *
__sparc64_lookup_dentry(const char *name, int lookup_flags)
{
struct dentry *base;
char *emul;
switch (current->personality) {
case PER_BSD:
emul = SPARC_BSD_EMUL; break;
case PER_SVR4:
emul = SPARC_SOL_EMUL; break;
default:
return NULL;
}
base = lookup_dentry (emul,
dget (current->fs->root),
(LOOKUP_FOLLOW | LOOKUP_DIRECTORY));
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 = __sparc64_lookup_dentry (name, lookup_flags); \
if (dentry) return dentry; \
}
#endif /* __SPARC64_NAMEI_H */
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