What's /var/lib/ureadahead/debugfs ?

Project:Linux hardware
Component:Code
Category:support request
Priority:normal
Assigned:Unassigned
Status:active
Project wiki:Hardware
Related pages:#29: filesystem
Description

What's /var/lib/ureadahead/debugfs ?
when doing:
df -h

question also asked here:
http://ubuntuforums.org/showthread.php?t=1350785

Comments

#1

#2

example output:

$ df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/sda1              30G  9.5G   19G  34% /
none                   30G  9.5G   19G  34% /var/lib/ureadahead/debugfs
/dev/sdb1             906G  853G  6.8G 100% /home