ZFS vs Samba Debugging Results ... Need Help.

[lists at avioc.org]

On Fri, 06 Jul 2007 00:28:15 +0200, Pascal Hofstee <caelian at gmail.com>
wrote:
> Hi,
> 
> I did some addititional debugging and adding a small workaround to
> smbd/vfs.c making the function vfs_readdirname() return ptr->d_name
> directly instead of relying on the temporary variable dname gets the
> code properly skipping the "." and ".." entries.
> 

Have any other work arounds for this issue been found? - other than
deleting
the repdir_get* files as noted by Brian?  Are there any consequences to 
removing the files that I don't want to run into?



>>From that point on the code enters into a new problem area which can be
> observed in the backtrace posted at http://pastebin.ca/604961
> 
> Joe Marcus Clarke helped me out further with debugging this problem and
> we have come to the conclusion that the following assertion in samba's
> telldir() implementation located in lib/replace/repdir_getdirentries.c
> does not hold true on ZFS directories (marcus mentioned something about
> lseek() behaving differently on ZFS than it does on UFS):
> 
>         if (d->seekpos & (DIR_BUF_SIZE-1)) {
>                  abort();
>         }
> 
> Marcus was so kind to put up a simple test case at
> http://www.marcuscom.com/downloads/samba_zfs.c
> 
> Change main() to point to a ZFS directory, and watch it crash.
> Then point to a UFS directory, and it works.
> The seekpos is printed each time.
> 
> Hopefully this will be enough information to get us to figure out a
> workable solution here.
> 
> --
>   Pascal Hofstee
> 
> 
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