Any FBSD Filesystem with Mandatory Locks?
Kris Kennaway
kris at obsecurity.org
Sat May 12 17:50:39 UTC 2007
On Sat, May 12, 2007 at 11:21:23AM +0100, Tom Judge wrote:
> Philippe Laquet wrote:
> >
> >Dear All,
> >
> >I a trying to get HAVP (it works almost well, great software!) but I
> >also need to use the streaming option and it needs a FS mounted with
> >mandatory locks. I did not found any option with UFS(2) and also tried
> >with ext2fs loaded but the mount_ext2fs does not support "-o mand" ...
> >Any idea?...
> >
> >
> >My config : FBSD 6-STABLE
> >GENERIC Kernel
> >HAVP 0.85 (tuned makefile to compile the with STREAM function)
> >
> >Tried with :
> >mdconfig -a -t malloc -s32m
> >mount_ext2fs -o mand /dev/md0 /tmp/havp (the "mand" option is not
> >recognized)
> >
>
> I don't think that FreeBSD has mandatory file locks, I believe that all
> locks are advisory. I may be wrong but this is what the section on
> file/descriptor locking in "The Design And Implementation of the FreeBSD
> Operating System" seemed to suggest, this may have changed since 5.2 tho.
That's correct.
Kris
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