Re: grannyx

[Drsolly <drsollyp () drsolly com>]

Oh bugger.

Then it's going to have to be "write to pen drive."

On Mon, 28 Aug 2006 Valdis.Kletnieks () vt edu wrote:

> On Mon, 28 Aug 2006 14:21:54 BST, Drsolly said:
> > I just checked the knoppix site. Version 5 lets you write to NTFS systems; 
> > that was the main barrier to grannyx before. So maybe it's time to revive 
> > the project.
>
> Check carefully - the in-tree NTFS in the 2.6 kernel still, AFAIK, has
> some restrictions on writing.  In particular, I think it's able to write
> to existing files, but is *not* able to create new ones - which is still
> a show-stopper.  In the 2.6.18-rc4-mm3 kernel tree (ie very bleeding edge):
>
> #ifdef NTFS_RW
>         //.dirty_inode  = NULL,                 /* VFS: Called from
>         //                                         __mark_inode_dirty(). */
>         .write_inode    = ntfs_write_inode,     /* VFS: Write dirty inode to
>                                                    disk. */
>         //.drop_inode   = NULL,                 /* VFS: Called just after the
>         //                                         inode reference count has
>         //                                         been decreased to zero.
>         //                                         NOTE: The inode lock is
>         //                                         held. See fs/inode.c::
>         //                                         generic_drop_inode(). */
>         //.delete_inode = NULL,                 /* VFS: Delete inode from disk.
>         //                                         Called when i_count becomes
>         //                                         0 and i_nlink is also 0. */
>         //.write_super  = NULL,                 /* Flush dirty super block to
>         //                                         disk. */
>         //.sync_fs      = NULL,                 /* ? */
>         //.write_super_lockfs   = NULL,         /* ? */
>         //.unlockfs     = NULL,                 /* ? */
> #endif /* NTFS_RW */
>
> So at least erasing an existing file isn't possible.
>
> I haven't checked what voodoo Knoppix is including that lets it do it, but
> it's probably the 'captive NTFS' stuff, which has approximately the same
> reputation as ndiswrappers, and for the same reasons....

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