Disk defragmenter in Linux

Tim ignored_mailbox at yahoo.com.au
Sat Dec 24 09:29:55 UTC 2005

>>> I was under the impression that the directory structure was recorded in
>>> manner that's different from how the files are stored.

Mike McCarty:
>> You may know something that I do not. I thought everything was inodes.

David L. Gehrt:
> If you  look in the Linux  header files you  can see the structure  of a
> directory entry  in a directory.  A  directory is a  structured file but
> one treated differently by the OS because the directory bit is set in its
> inode.  But  like other  files, in some  sense, it  is just bits  on the
> platter, albeit with  some structure, as such a  directory IS subject to
> possible fragmentation.

I was thinking of the following, though I may be mixing up this file
system with another type:  The directory structure being stored some
distance away from the files, so that one doesn't tend to fragment the

It's been a long time since I read about the nitty-gritty of filing
systems, it's not the sort of thing I do for fun.  ;-\  It tends to be
the sort of thing you read as you're diagnosing some condition
(somewhere along the line, someone explains how it works behind the

Don't send private replies to my address, the mailbox is ignored.
I read messages from the public lists.

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