1: I am trying to write a tool to hide a file/directory.
So I am changing the 'name' field to NULL.
Directories get hide properly. But nothing for file(Unable to change the 'name' field)
2: Of course filesystem is mounted.
--- On Fri, 21/3/08, Theodore Tso <tytso@xxxxxxx> wrote:
> From: Theodore Tso <tytso@xxxxxxx>
> Subject: Re: Unable to change the 'name' field from 'ext3_dir_entry_2' structure.
> To: "ashish mahamuni" <ashitpro@xxxxxxxxxxx>
> Cc: ext3-users@xxxxxxxxxx
> Date: Friday, 21 March, 2008, 6:08 PM
> 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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