Unable to change the 'name' field from 'ext3_dir_entry_2' structure.

Theodore Tso tytso at MIT.EDU
Fri Mar 21 12:38:46 UTC 2008

On Fri, Mar 21, 2008 at 05:46:57PM +0530, ashish mahamuni wrote:
> Hello everybody,
> I am trying to rename the file/directory by renaming the 'name' field from ext3_dir_entry_2 structure.
> I can easily do it for directories.
> I am reading the structure then I change this field, and writing it back as it is.
> New file name length will be similar as the old(just for simplicity).  
> But whenever I do this for file. It doesn't do any thing.
> 'write' sys call gets execute properly. Next time if I read dir entry for this file it shows me older one.
> Am I doing anything wrong? 

#1.  *Why* are you trying to do this?

#2.  Are you doing this on an unmounted filesystem?  Or is the
     filesystem mounted when you tried to modify the filesystem directly
     using the write system call?

							- Ted

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