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From: Andrew Morton <akpm@linux-foundation.org>
To: Sasikanth babu <sasikanth.v19@gmail.com>
Cc: Tejun Heo <tj@kernel.org>, "H. Peter Anvin" <hpa@linux.intel.com>,
	Ingo Molnar <mingo@elte.hu>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] mm: memblock - Handled failure of debug fs entries creation
Date: Sat, 28 Apr 2012 12:06:57 -0700	[thread overview]
Message-ID: <20120428120657.4982a248.akpm@linux-foundation.org> (raw)
In-Reply-To: <CAOJFanUu_RD2UNgFg4gNuPte+jOA95ejMtq53UCo6vLaLohmQQ@mail.gmail.com>

On Sun, 29 Apr 2012 00:32:26 +0530 Sasikanth babu <sasikanth.v19@gmail.com> wrote:

> > Fact is, debugfs_create_dir() and debugfs_create_file() are stupid
> > interfaces which don't provide the caller (and hence the user) with any
> > information about why they failed.  Perhaps memblock_init_debugfs()
> > should return -EWESUCK.
> >
> 
>    I'm working on a patch which address this issue. debugfs_create_XXX
> calls
>    will return proper error codes, and fixing the existing code not each
> and every part  but the code
>    which handles the values returned by debufs_create_XXX otherwise it will
> break the existing
>    functionality .

Excellent!

> (any suggestions or opinions ?)

Well, don't modify the existing interfaces: create new ones and we can
migrate gradually.  But you're probably already doing that.

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  reply	other threads:[~2012-04-28 19:05 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-25 19:59 [PATCH 2/2] mm: memblock - Handled failure of debug fs entries creation Sasikantha babu
2012-04-26 23:21 ` Andrew Morton
2012-04-28 19:02   ` Sasikanth babu
2012-04-28 19:06     ` Andrew Morton [this message]
2012-04-28 19:45       ` Sasikanth babu

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