[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <1213942750.2336.43.camel@moss.renham>
Date: Fri, 20 Jun 2008 16:19:10 +1000
From: Ben Nizette <bn@...sdigital.com>
To: Joel Becker <Joel.Becker@...cle.com>
Cc: Johannes Berg <johannes@...solutions.net>,
"Luis R. Rodriguez" <mcgrof@...il.com>,
linux-wireless <linux-wireless@...r.kernel.org>,
linux kernel <linux-kernel@...r.kernel.org>,
Greg KH <greg@...ah.com>,
Satyam Sharma <ssatyam@....iitk.ac.in>,
Felix Fietkau <nbd@...nwrt.org>,
Al Viro <viro@....linux.org.uk>,
"H. Peter Anvin" <hpa@...nel.org>
Subject: Re: [RFC PATCHES] Re: Is configfs the right solution for
configuration based fs?
On Wed, 2008-06-18 at 19:48 -0700, Joel Becker wrote:
> Ask, and ye shall receive. I've actually been meaning to look
> at this for a while. Please check out the branch configfs-attr-macros
> at my git tree. Actually, here is the configfs.h with macros, and
> configfs_example_macros.c using them. Let me know if this fits the
> bill.
>
> [config-attr-macros:include/linux/configfs.h]
> http://oss.oracle.com/git/jlbec/linux-2.6.git/?p=jlbec/linux-2.6.git;a=blob;f=include/linux/configfs.h;h=8be4507ab98f49f43c5212cbafe62178df9a517b;hb=c085c60b185d7431935397e43a868325d8f1da6c
>
> [config-attr-macros:Documentation/filesystems/configfs/configfs_example_macros.c]
> http://oss.oracle.com/git/jlbec/linux-2.6.git/?p=jlbec/linux-2.6.git;a=blob;f=Documentation/filesystems/configfs/configfs_example_macros.c;h=c2ece748abdf30a7d67dd9ea25c5e6ac93fbc005;hb=c085c60b185d7431935397e43a868325d8f1da6c
>
> Compare and contrast with the original configfs_example.c (now
> configfs_example_explicit.c on that branch). The diff is available
> here:
> http://oss.oracle.com/git/jlbec/linux-2.6.git/?p=jlbec/linux-2.6.git;a=commitdiff;h=c085c60b185d7431935397e43a868325d8f1da6c
>
Looks great, thx :-). I'll convert some of my stuff over to this
interface and see how it flies in the real world.
> > And the trival problem that, ISTR, failing the make_group method always
> > reports -ENOMEM to userspace, no matter what the actual problem was. I
> > think I had a patch around to pass the error code from make_group back
> > up through to userspace, I wonder what happened to that...
>
> I've also attacked this one. The change is in the
> make-item-errors branch. It's already scheduled for linux-next. Diff
> available here:
> http://oss.oracle.com/git/jlbec/linux-2.6.git/?p=jlbec/linux-2.6.git;a=commitdiff;h=34fbb494fecfd82bcbf9ed698ef305500228a84c
>
ISTR when I did this I kept the old semantics and used ERR_PTR and
friends if things went pear-shaped. Given the small number of in-tree
users needing to be moved over, a more intrusive change for the sake of
a cleaner API like you've done is probably a good thing anyway :-)
Thanks again,
--Ben.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists