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From: Al Viro <viro@ZenIV.linux.org.uk>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	linux-kernel@vger.kernel.org, Ingo Molnar <mingo@kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH 3/5 v2] tracing: Automatically mount tracefs on debugfs/tracing
Date: Sun, 25 Jan 2015 20:31:15 +0000	[thread overview]
Message-ID: <20150125203115.GJ29656@ZenIV.linux.org.uk> (raw)
In-Reply-To: <20150125202729.GI29656@ZenIV.linux.org.uk>

On Sun, Jan 25, 2015 at 08:27:29PM +0000, Al Viro wrote:

> Turns out that it is better that way (and less prone to abuse).  See
> vfs.git#debugfs_automount; some massage on top of 3.19-rc5, the payoff is
> in the last commit.
> 
> For your code it's a matter of replacing struct path *path with void *unused
> in trace_automount() and just calling
> 	debugfs_create_automount("tracing", NULL, trace_automount, NULL);
> to create the sucker.  That's it - no games with ->d_op, etc.

... and the total is plus 8 lines.  Would be negative, if not for the
kerneldoc comment in there...

  reply	other threads:[~2015-01-25 20:31 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-23 15:55 [PATCH 0/5 v2] tracing: Add new file system tracefs Steven Rostedt
2015-01-23 15:55 ` [PATCH 1/5 v2] tracefs: Add new tracefs file system Steven Rostedt
2015-01-23 15:55 ` [PATCH 2/5 v2] tracing: Convert the tracing facility over to use tracefs Steven Rostedt
2015-01-23 15:55 ` [PATCH 3/5 v2] tracing: Automatically mount tracefs on debugfs/tracing Steven Rostedt
2015-01-24  3:00   ` Greg Kroah-Hartman
2015-01-24 11:33     ` Steven Rostedt
2015-01-25 13:22       ` Greg Kroah-Hartman
2015-01-25 19:38         ` Steven Rostedt
2015-01-25 19:59           ` Al Viro
2015-01-25 20:27             ` Al Viro
2015-01-25 20:31               ` Al Viro [this message]
2015-01-23 15:55 ` [PATCH 4/5 v2] tracefs: Add directory /sys/kernel/tracing Steven Rostedt
2015-01-24  3:00   ` Greg Kroah-Hartman
2015-01-23 15:55 ` [PATCH 5/5 v2] tracing: Have mkdir and rmdir be part of tracefs Steven Rostedt

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