find_first2 lookup behaviour on Samba with a case Insensitive FS

[David Disseldorp]

On Wed, 28 May 2008 21:09:32 -0700
"James Peach" <jorgar at gmail.com> wrote:

> > Aside from maybe confusing users, could this behaviour cause problems
> > for applications?
> 
> Yes this causes problems for OSX 10.5. You need to return the
> canonical on-disk case in all cases. There is a patch in the Apple
> tree to do this for Darwin.

You mean problems for the OSX 10.5 CIFS client?

> 
> <http://www.opensource.apple.com/darwinsource/10.5.2/samba-187.4/patches/vfs-add-get-preserved-name-operation>
> <http://www.opensource.apple.com/darwinsource/10.5.2/samba-187.4/patches/support-case-perserving-filenames>

Hopefully the lookup in GET_PRESERVED_NAME() will not hurt performance
too much. A kernel get_preserved call would be handy.

> IIRC, we also had some fixes to the rename path, when you rename a
> file to a case-variation of the existing name:
> 
> <http://www.opensource.apple.com/darwinsource/10.5.2/samba-187.4/patches/support-rename-case-insensitive-filenames
Thanks

> Was there much to do? I thought I had pushed all the HFS+
> case-insensitivity patches ...

Just had to add the XFS ioctl call to statvfs.

Cheers, Dave