static int wrapfs_readdir(struct file *file, void *dirent, filldir_t filldir)
{
int err = 0;
struct file *lower_file = NULL;
struct dentry *dentry = file->f_path.dentry;
struct dentry *parent;
struct inode *inode = NULL;
int bindex = 0;
inode = dentry->d_inode;
parent = dget_parent(dentry);
for (bindex = 0; bindex <= 1; bindex++) {
lower_file = wrapfs_lower_file_idx(file, bindex);
if (!lower_file)
continue;
err = vfs_readdir(lower_file, filldir, dirent);
file->f_pos = lower_file->f_pos;
if (err >= 0) {
/* copy the atime */
fsstack_copy_attr_atime(dentry->d_inode,
lower_file->f_path.dentry->d_inode);
}
}
dput(parent);
return err;
}
static int wrapfs_readdir(struct file *file, void *dirent, filldir_t filldir)
{
int err = 0;
struct file *lower_file = NULL;
struct dentry *dentry = file->f_path.dentry;
struct wrapfs_getdents_callback buf;
int i = 0;
UDBG;
for (i = 0; i <= 1; i++) {
UDBG;
lower_file = wrapfs_lower_file_idx(file, i);
if (!lower_file) {
buf.files = NULL;
buf.leftcount = 0;
continue;
}
UDBG;
buf.dirent = dirent;
buf.filldir = filldir;
buf.index = i;
buf.count = 0;
if (i == 0)
buf.files = kmalloc(100*sizeof(char *), GFP_KERNEL);
err = vfs_readdir(lower_file, wrapfs_filldir, &buf);
if (i == 0)
buf.leftcount = buf.count;
else
buf.leftcount = 0;
file->f_pos = lower_file->f_pos;
if (err >= 0 && !lower_file->f_path.dentry->d_inode)
fsstack_copy_attr_atime(dentry->d_inode,
lower_file->f_path.dentry->d_inode);
if (err)
goto out;
}
out:
return err;
}
