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From: Greg KH <greg@kroah•com>
To: Mitch Harder <mitch.harder@sabayonlinux•org>,
	dave@jikos•cz, Stephen Rothwell <sfr@canb•auug.org.au>,
	Chris Mason <chris.mason@oracle•com>,
	linux-next@vger•kernel.org, linux-kernel@vg
Subject: Re: linux-next: build warninga in Linus' tree
Date: Fri, 3 Jun 2011 22:16:28 +0900	[thread overview]
Message-ID: <20110603131628.GB7355@kroah.com> (raw)
In-Reply-To: <20110603111048.GR12709@twin.jikos.cz>

On Fri, Jun 03, 2011 at 01:10:49PM +0200, David Sterba wrote:
> On Wed, Jun 01, 2011 at 10:16:48AM -0500, Mitch Harder wrote:
> > I've been playing around with resurrecting the basic sysfs
> > capabilities that had been previously incorporated into btrfs.
> > 
> > As it stands right now, it was relatively easy to re-implement sysfs
> > as it was originally.  However, that implementation of sysfs wasn't
> > populated with much information (only total_blocks, blocks_used, and
> > blocksize).
> 
> Goffredo Baroncelli (CCed) posted a patch to enhance sysfs interface:
> 
> https://patchwork.kernel.org/patch/308902/
> (http://www.spinics.net/lists/linux-btrfs/msg06777.html)
> 
> > I also had to reverse a small portion of code that was in the last
> > clean-up.
> 
> Restoring the code should not be a problem, the cleanup was too eager
> and I think a sysfs inteface would be good, not only for debugging
> purposes or tuning.
> 
> > If a CONFIG_BTRFS_DEBUG type configuration flag is ever introduced, it
> > would be interesting to resurrect btrfs' sysfs capabilities.
> 
> Hearing about CONFIG_BTRFS_DEBUG again, seems worth to add it.

For debugging stuff, please use debugfs instead of sysfs, as that is
what it is there for.

thanks,

greg k-h

  parent reply	other threads:[~2011-06-03 13:43 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-30  1:36 linux-next: build warninga in Linus' tree Stephen Rothwell
2011-05-31 17:57 ` David Sterba
2011-06-01 15:16   ` Mitch Harder
2011-06-03 11:10     ` David Sterba
2011-06-03 11:38       ` Hugo Mills
2011-06-03 13:16       ` Greg KH [this message]
2011-06-03 12:25 ` Sedat Dilek

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