#define store_ih(where,what) copy_item_head (where, what)
-//
-static int reiserfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
+int reiserfs_readdir_dentry(struct dentry *dentry, void *dirent,
+ filldir_t filldir, loff_t *pos)
{
- struct inode *inode = filp->f_path.dentry->d_inode;
+ struct inode *inode = dentry->d_inode;
struct cpu_key pos_key; /* key of current position in the directory (key of directory entry) */
INITIALIZE_PATH(path_to_entry);
struct buffer_head *bh;
/* form key for search the next directory entry using f_pos field of
file structure */
- make_cpu_key(&pos_key, inode,
- (filp->f_pos) ? (filp->f_pos) : DOT_OFFSET, TYPE_DIRENTRY,
- 3);
+ make_cpu_key(&pos_key, inode, *pos ?: DOT_OFFSET, TYPE_DIRENTRY, 3);
next_pos = cpu_key_k_offset(&pos_key);
- /* reiserfs_warning (inode->i_sb, "reiserfs_readdir 1: f_pos = %Ld", filp->f_pos); */
-
path_to_entry.reada = PATH_READA;
while (1) {
research:
continue;
d_reclen = entry_length(bh, ih, entry_num);
d_name = B_I_DEH_ENTRY_FILE_NAME(bh, ih, deh);
+
+ if (d_reclen <= 0 ||
+ d_name + d_reclen > bh->b_data + bh->b_size) {
+ /* There is corrupted data in entry,
+ * We'd better stop here */
+ pathrelse(&path_to_entry);
+ ret = -EIO;
+ goto out;
+ }
+
if (!d_name[d_reclen - 1])
d_reclen = strlen(d_name);
/* Ignore the .reiserfs_priv entry */
if (reiserfs_xattrs(inode->i_sb) &&
!old_format_only(inode->i_sb) &&
- filp->f_path.dentry == inode->i_sb->s_root &&
+ dentry == inode->i_sb->s_root &&
REISERFS_SB(inode->i_sb)->priv_root &&
REISERFS_SB(inode->i_sb)->priv_root->d_inode
&& deh_objectid(deh) ==
}
d_off = deh_offset(deh);
- filp->f_pos = d_off;
+ *pos = d_off;
d_ino = deh_objectid(deh);
if (d_reclen <= 32) {
local_buf = small_buf;
} /* while */
- end:
- filp->f_pos = next_pos;
+end:
+ *pos = next_pos;
pathrelse(&path_to_entry);
reiserfs_check_path(&path_to_entry);
- out:
+out:
reiserfs_write_unlock(inode->i_sb);
return ret;
}
+static int reiserfs_readdir(struct file *file, void *dirent, filldir_t filldir)
+{
+ struct dentry *dentry = file->f_path.dentry;
+ return reiserfs_readdir_dentry(dentry, dirent, filldir, &file->f_pos);
+}
+
/* compose directory item containing "." and ".." entries (entries are
not aligned to 4 byte boundary) */
/* the last four params are LE */