From mboxrd@z Thu Jan  1 00:00:00 1970
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Subject: Re: [PATCH 04/11] fs: add support for allowing applications to pass
 in write life time hints
To: Christoph Hellwig <hch@infradead.org>
Cc: linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org,
 adilger@dilger.ca, martin.petersen@oracle.com
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 <20170620085739.GB31386@infradead.org>
 <6f1be22c-b172-3645-f0ab-8124188756df@kernel.dk>
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From: Jens Axboe <axboe@kernel.dk>
Message-ID: <6b1897c4-400b-faee-38d1-d677c054debc@kernel.dk>
Date: Tue, 20 Jun 2017 06:51:34 -0600
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On 06/20/2017 06:47 AM, Christoph Hellwig wrote:
> On Tue, Jun 20, 2017 at 06:45:45AM -0600, Jens Axboe wrote:
>> To the page? Where do you want to find room for that?
> 
> In the page we don't.  In the buffer_head we have plenty (as will
> the replacement for it if I ever get time to get back to that)

That sounds fragile... Is it really worth it to avoid stealing three
bits in the inode? Do we have buffer_heads attached everywhere, that
sounds surprising to me.

-- 
Jens Axboe