[Gluster-devel] posix-locks bugs

[LI Daobing]

Hello,

On Sat, Feb 16, 2008 at 6:42 PM, Anand Avati <avati at zresearch.com> wrote:
> Timo,
>   patch-666 fixes this. Thanks for the pointer!
>
in the tla log[1], it said that this bug is discovered by me. but it's not true.

[1]
2008-02-15 18:54:10 GMT Vikas Gorur <vikas at 80x25.org>   patch-666

    Summary:
      changed ULONG_MAX to LLONG_MAX in posix-locks.c
    Revision:
      glusterfs--mainline--2.5--patch-666

    From LI Daobing:

    > if (flock->l_len == 0)
    >   lock->fl_end = ULONG_MAX;

    > fl_end is "signed long long" type pretty much everywhere. The main bug
    > here is that with 64bit systems ULONG_MAX gets converted to -1, and
    > l_len=0 locks break completely.

    > So, this should work better:
    > lock->fl_end = LLONG_MAX;

    Thanks to LI Daobing for this observation.

    modified files:
     libglusterfs/src/revision.h
     xlators/features/posix-locks/src/posix-locks.c

-- 
Best Regards,
 LI Daobing