Messages in this thread |  | | Date | Tue, 27 Aug 2002 14:35:17 +1000 | From | Stephen Rothwell <> | Subject | Re: Question about leases |
| |
On Tue, 27 Aug 2002 03:06:16 +0200 Jan Hudec <bulb@cimice.maxinet.cz> wrote: > > Please can anyone throw a bit light on file leases (fcntl F_SETLEASE > command) or at least point me to some documentation? I can't find any.
There isn't any (except maybe the talk I gave at Linux Kongress last year (http://www.canb.auug.org.au/~sfr/idle.html).
> As far as I figured out process holding a lease is notified when other > process opens the leased file. But I am still not sure how the leases > should then be released and how the process knows which lease was broken > (struct siginfo does not seem to have union member for that case).
To release a lease, you use fcntl(fd, F_SETLEASE, F_UNLCK). The file descriptor of the file that the lease is on is returned in the siginfo structure.
-- Cheers, Stephen Rothwell sfr@canb.auug.org.au http://www.canb.auug.org.au/~sfr/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
|  |