linux-kernel - Re: OFD ("file private") locks and NFS

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Message-ID: <20140429075046.39fc9c3f@tlielax.poochiereds.net>
Date:	Tue, 29 Apr 2014 07:50:46 -0400
From:	Jeff Layton <jlayton@...chiereds.net>
To:	"Matt W. Benjamin" <matt@...uxbox.com>
Cc:	Ganesha NFS List <nfs-ganesha-devel@...ts.sourceforge.net>,
	lkml <linux-kernel@...r.kernel.org>,
	Linux-Fsdevel <linux-fsdevel@...r.kernel.org>,
	Trond Myklebust <trond.myklebust@....uio.no>,
	"J. Bruce Fields" <bfields@...ldses.org>,
	Neil Brown <neilb@...e.de>, samba-technical@...ts.samba.org,
	linux-nfs@...r.kernel.org,
	"Michael Kerrisk (man-pages)" <mtk.manpages@...il.com>,
	"Frank Filz" <ffilzlnx@...dspring.com>
Subject: Re: OFD ("file private") locks and NFS

On Tue, 29 Apr 2014 07:40:08 -0400 (EDT)
"Matt W. Benjamin" <matt@...uxbox.com> wrote:

> Hi Jeff,
> 
> Something which came up on the last Ganesha conn call is that we have
> a pretty strong need for some ability to wait on a set of locks, and perhaps
> receive events.  Frank Filz believed that you had made a proposal which
> would cover this.  Can you elaborate on that?
> 
> Thanks,
> 
> Matt
> 

No, there's no mechanism to wait on a set of locks from within the
context of a single thread of execution or to receive "events". Again,
that would be a new API beyond what I've been proposing over the last
several months.
-- 
Jeff Layton <jlayton@...chiereds.net>
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