Re: infinite getdents64 loop

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 2011-05-31, at 11:43 AM, Bernd Schubert wrote:
> On 05/31/2011 07:26 PM, Andreas Dilger wrote:
>> If it's of interest, we've implemented a 64-bit hash mode for ext4 to
>> solve just this problem for Lustre.  The llseek() code will return a
>> 64-bit hash value on 64-bit systems, unless it is running for some
>> process that needs a 32-bit hash value (only NFSv2, AFAIK).
>> 
>> The attached patch can at least form the basis for being able to return
>> 64-bit hash values for userspace/NFSv3/v4 when usable.  The patch
>> is NOT usable as it stands now, since I've had to modify it from the
>> version that we are currently using for Lustre (this version hasn't
>> actually been compiled), but it at least shows the outline of what needs
>> to be done to get this working.  None of the NFS side is implemented.
> 
> Thanks Andreas! I haven't tested it yet, but the generic idea looks good. I guess the lower part of the patch (netfilter stuff) got accidentally in?

Oops, I had refreshed the patch just before sending, and forgot to remove those parts.  They are definitely not relevant to this issue.

Cheers, Andreas





--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Reiser Filesystem Development]     [Ceph FS]     [Kernel Newbies]     [Security]     [Netfilter]     [Bugtraq]     [Linux FS]     [Yosemite National Park]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Device Mapper]     [Linux Media]

  Powered by Linux