Re: posix-locks problem

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

 



Thanks for pointing out the mistakes in wiki.. just corrected it.

-amar

On 8/6/07, Kevan Benson <kbenson@xxxxxxxxxxxxxxx> wrote:
>
> On Sunday 05 August 2007 23:28, Vikas Gorur wrote:
> > What you're trying to do is use flock(2) locks. flock(2) locks are not
> > supported by FUSE. The lock requests will be handled by the kernel
> > itself and never reach FUSE, let alone GlusterFS.
> >
> > The posix-locks translator implements the fcntl(2) locking API.
> > fcntl(2) allows for more fine-grained locking, as it supports locking
> > of particular regions inside a file --- whereas flock(2) locks are on
> > the entire file.
> >
> > flock(2) and fcntl(2) locks can co-exist on Linux. There is absolutely
> > no interaction between them.
> >
> > In summary, if you want distributed file locks, you should use the
> > fcntl(2) API, not flock(2).
>
> Thanks.  Does that mean the the part of the FAQ that mentions flock along
> with
> fcntl is incorrect, or just mentioning a feature not supported _yet_?
>
>
> http://www.gluster.org/docs/index.php/GlusterFS_FAQ#How_is_locking_handled.3F
>
> --
> - Kevan Benson
> - A-1 Networks
>
>
> _______________________________________________
> Gluster-devel mailing list
> Gluster-devel@xxxxxxxxxx
> http://lists.nongnu.org/mailman/listinfo/gluster-devel
>



-- 
Amar Tumballi
Engineer - Gluster Core Team
[bulde on #gluster/irc.gnu.org]
http://www.zresearch.com - Commoditizing Supercomputing and Superstorage!


[Index of Archives]     [Gluster Users]     [Ceph Users]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Security]     [Bugtraq]     [Linux]     [Linux OMAP]     [Linux MIPS]     [eCos]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux