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From: Jeremy Allison <jra@samba.org>
To: Jeff Layton <jlayton@redhat.com>
Cc: Andreas Dilger <adilger@dilger.ca>,
	"linux-fsdevel@vger.kernel.org Devel"
	<linux-fsdevel@vger.kernel.org>,
	Ganesha NFS List <nfs-ganesha-devel@lists.sourceforge.net>,
	samba-technical@lists.samba.org,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [RFC PATCH 0/5] locks: implement "filp-private" (aka UNPOSIX) locks
Date: Fri, 11 Oct 2013 16:49:23 -0700	[thread overview]
Message-ID: <20131011234923.GD8688@samba2> (raw)
In-Reply-To: <20131011192118.483e436f@tlielax.poochiereds.net>

On Fri, 11 Oct 2013 15:36:43 -0600 Andreas Dilger <adilger@dilger.ca> wrote:
> > 
> > At this point, my main questions are:
> > 
> > 1) does this look useful, particularly for fileserver implementors?

Yes from the Samba perspective. We'll have to keep the old
code around for compatibility with non-Linux OS'es, but this
will allow Linux Samba to short-circuit a bunch of logic
we have to get around the insane POSIX locking semantics
on close.

Jeremy.

  reply	other threads:[~2013-10-11 23:49 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-11 12:25 [RFC PATCH 0/5] locks: implement "filp-private" (aka UNPOSIX) locks Jeff Layton
2013-10-11 12:25 ` [RFC PATCH 1/5] locks: consolidate checks for compatible filp->f_mode values in setlk handlers Jeff Layton
2013-10-11 12:25 ` [RFC PATCH 2/5] locks: add definitions for F_RDLCKP and F_WRLCKP Jeff Layton
2013-10-11 12:25 ` [RFC PATCH 3/5] locks: skip FL_FILP_PRIVATE locks on close unless we're closing the correct filp Jeff Layton
2013-10-11 12:25 ` [RFC PATCH 4/5] locks: handle merging of locks when FL_FILP_PRIVATE is set Jeff Layton
2013-10-11 12:25 ` [RFC PATCH 5/5] locks: show private lock types in /proc/locks Jeff Layton
2013-10-11 13:35 ` [RFC PATCH 0/5] locks: implement "filp-private" (aka UNPOSIX) locks Jeff Layton
2013-10-11 15:20   ` Frank Filz
2013-10-11 15:50     ` Jeff Layton
2013-10-11 17:07       ` Frank Filz
2013-10-11 18:42         ` Jeff Layton
2013-10-11 18:53           ` Frank Filz
2013-10-12  9:10             ` Volker Lendecke
2013-10-11 20:07 ` J. Bruce Fields
2013-10-11 21:36   ` Andreas Dilger
2013-10-11 23:21     ` Jeff Layton
2013-10-11 23:49       ` Jeremy Allison [this message]
2013-10-12  0:18         ` Scott Lovenberg
2013-10-12  0:42           ` Jeff Layton
2013-10-12 18:12             ` Frank Filz
2013-10-14  7:24               ` Volker Lendecke
2013-10-14 15:23                 ` Frank Filz
2013-10-15  8:56                   ` Volker Lendecke
2013-10-12 20:56             ` Scott Lovenberg
2013-10-12  9:20 ` Stefan (metze) Metzmacher
2013-10-12 11:47   ` Jeff Layton
2013-10-12 18:10     ` [Nfs-ganesha-devel] " Frank Filz

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