linux-ext4 - Re: mbcache: fix to detect failure of register

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Message-ID: <20160705201625.GA18568@thunk.org>
Date:	Tue, 5 Jul 2016 16:16:25 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	Chao Yu <chao@...nel.org>
Cc:	jack@...e.cz, viro@...iv.linux.org.uk, linux-ext4@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, Chao Yu <yuchao0@...wei.com>
Subject: Re: mbcache: fix to detect failure of register_shrinker

On Mon, May 16, 2016 at 11:16:38PM +0800, Chao Yu wrote:
> From: Chao Yu <yuchao0@...wei.com>
> 
> register_shrinker in mb_cache_create may fail due to no memory. This
> patch fixes to do the check of return value of register_shrinker and
> handle the error case, otherwise mb_cache_create may return with no
> error, but losing the inner shrinker.
> 
> Signed-off-by: Chao Yu <yuchao0@...wei.com>
> Reviewed-by: Jan Kara <jack@...e.cz>

Applied, thanks.  (Apologies for the delay; this patch slipped through
the cracks.)

					- Ted
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