static int nfs_link(struct inode *oldinode, struct inode *dir,
const char *name, int len)
{
int error;
if (!oldinode) {
printk("nfs_link: old inode is NULL\n");
iput(oldinode);
iput(dir);
return -ENOENT;
}
if (!dir || !S_ISDIR(dir->i_mode)) {
printk("nfs_link: dir is NULL or not a directory\n");
iput(oldinode);
iput(dir);
return -ENOENT;
}
if (len > NFS_MAXNAMLEN) {
iput(oldinode);
iput(dir);
return -ENAMETOOLONG;
}
error = nfs_proc_link(NFS_SERVER(oldinode), NFS_FH(oldinode),
NFS_FH(dir), name);
nfs_lookup_cache_remove(dir, oldinode, NULL);
NFS_CACHEINV(oldinode);
iput(oldinode);
iput(dir);
return error;
}
int
nfs_link(struct file *filp, struct file *dir_filp,
const char *name) {
struct nfs_fh *fhandle, *dhandle;
int status;
DPRINTF(CLU_LEVEL,("nfs_link:\n"));
demand(filp, bogus filp);
demand(dir_filp, bogus dir_filp);
fhandle = GETFHANDLE(filp);
dhandle = GETFHANDLE(dir_filp);
status = nfs_proc_link(fhandle,dhandle,name);
/* HBXX - the nlink field in the stat structure will be invalid */
if (status == 0) {
nfs_flush_filp(dir_filp);
nfs_cache_remove(dir_filp,name);
return 0;
} else {
errno = status; return -1;
}
}
