[linux-cifs-client] Problem creating long filenames using mapchars

[Jeremy Allison]

On Wed, Jun 29, 2005 at 10:16:50AM +1200, Don Riden wrote:
> I am having trouble using long filenames using a cifs client and the 
> mapchars option.
> 
> Mounted with mapchars set:
> 
> (Creating files with long filenames containing ":" fails but a slightly 
> shorter version does not)
> 
> kalmik:/data1# touch 
> /data1/evolution/config/.et-expanded-file:_home_carol.johnston_evolution_local_Activity_Plans.ZvQAJm
> touch: cannot touch 
> `/data1/evolution/config/.et-expanded-file:_home_carol.johnston_evolution_local_Activity_Plans.ZvQAJm': 
> No such file or directory
> 
> touch 
> /data1/evolution/config/.et-expanded-file:_home_carol.johnston_evolution_local_Activity_Plans
> 
> works fine
> 
> Mounted without mapchars:
> 
> (Creating a file with a long filename works)
> 
> touch 
> /data1/evolution/config/et_expanded_file_home_carol_johnston_evolution_local_Activity_PlansZvQAJm
> 
> 
> Is there some built in character limit when using mapchars that I have 
> missed?
> 
> I am using a vanilla 2.6.12.1 Kernel and Samba 3.0.14a on Debian Sarge.
> 
> Any help would be much appreciated.

This is something I just did work on in the CIFSFS client and the Samba
server code. With the latest (as yet unreleased) CIFSFS client code
and the latest Samba 3.0.20 pre-release you can use all POSIX characters
without any translation.

The mapchars code isn't well maintained at the moment.

Jeremy.