linux-ext4 - Re: [PATCH 32/32] ext4: add nombcache mount option

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Message-ID: <20170622160041.hnqcrt7pnek4obmo@thunk.org>
Date:   Thu, 22 Jun 2017 12:00:41 -0400
From:   Theodore Ts'o <tytso@....edu>
To:     Tahsin Erdogan <tahsin@...gle.com>
Cc:     Andreas Dilger <adilger@...ger.ca>,
        "Darrick J . Wong" <darrick.wong@...cle.com>,
        Jan Kara <jack@...e.cz>, linux-ext4@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 32/32] ext4: add nombcache mount option

On Wed, Jun 21, 2017 at 06:49:39PM -0700, Tahsin Erdogan wrote:
> The main purpose of mb cache is to achieve deduplication in
> extended attributes. In use cases where opportunity for deduplication
> is unlikely, it only adds overhead.
> 
> Add a mount option to explicitly turn off mb cache.
> 
> Suggested-by: Andreas Dilger <adilger@...ger.ca>
> Signed-off-by: Tahsin Erdogan <tahsin@...gle.com>

Applied, thanks.

						- Ted