static int rtems_jffs2_mknod(
const rtems_filesystem_location_info_t *parentloc,
const char *name,
size_t namelen,
mode_t mode,
dev_t dev
)
{
struct _inode *dir_i = rtems_jffs2_get_inode_by_location(parentloc);
int eno;
switch (mode & S_IFMT) {
case S_IFDIR:
eno = -jffs2_mknod(dir_i, name, namelen, mode, NULL, 0);
break;
case S_IFREG:
eno = -jffs2_create(dir_i, name, namelen, mode);
break;
default:
eno = EINVAL;
break;
}
return rtems_jffs2_eno_to_rv_and_errno(eno);
}
static int jffs2_whiteout(struct inode *old_dir, struct dentry *old_dentry)
{
struct dentry *wh;
int err;
wh = d_alloc(old_dentry->d_parent, &old_dentry->d_name);
if (!wh)
return -ENOMEM;
err = jffs2_mknod(old_dir, wh, S_IFCHR | WHITEOUT_MODE,
WHITEOUT_DEV);
if (err)
return err;
d_rehash(wh);
return 0;
}