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Date: Thu, 22 Jan 2015 07:49:20 -0500 From: Tejun Heo <tj@...nel.org> To: Steven Rostedt <rostedt@...dmis.org> Cc: Al Viro <viro@...IV.linux.org.uk>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...nel.org>, Andrew Morton <akpm@...ux-foundation.org> Subject: Re: [RFC][PATCH 0/5] tracing: Add new file system tracefs On Wed, Jan 21, 2015 at 11:35:53PM -0500, Steven Rostedt wrote: > On Thu, 22 Jan 2015 04:23:30 +0000 > Al Viro <viro@...IV.linux.org.uk> wrote: > > > I would recommend against that - kernfs is overburdened by their need > > to accomodate cgroup weirdness. IMO it's not a good model for > > anything, other than an anti-hard-drugs poster ("don't shoot that > > shit, or you might end up hallucinating _this_"). > > OK, I'm not the only one that thought kernfs seemed to go all over the > place. I guess I now know why. It was more of a hook for cgroups. I can Again, not true at all. > understand why cgroups needed it, as I found that creating files from a > mkdir and removing them with rmdir causes some pain in vfs with > handling of locking. As that's what I'm working on overcoming now. > > But I think I solved my issues (testing it now), and hopefully by > tomorrow, I'll have a V2 out. I'd strongly recomment just using kernfs. If you find something wrong with it, let's fix it, please. Thanks. -- tejun -- 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/
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