linux-kernel - Re: [PATCH v5 0/7] Extend write-hint framework, and add write-hint for Ext4 journal

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Date:   Fri, 28 Jun 2019 00:25:18 -0700
From:   'Christoph Hellwig' <hch@...radead.org>
To:     kanchan <joshi.k@...sung.com>
Cc:     'Christoph Hellwig' <hch@...radead.org>, 'Jan Kara' <jack@...e.cz>,
        "'Martin K. Petersen'" <martin.petersen@...cle.com>,
        linux-kernel@...r.kernel.org, linux-nvme@...ts.infradead.org,
        linux-block@...r.kernel.org, anshul@...sung.com,
        linux-fsdevel@...r.kernel.org, prakash.v@...sung.com,
        linux-ext4@...r.kernel.org
Subject: Re: [PATCH v5 0/7] Extend write-hint framework, and add write-hint
 for Ext4 journal

On Wed, Jun 26, 2019 at 06:17:29PM +0530, kanchan wrote:
> Christoph, 
> May I know if you have thoughts about what Jan mentioned below? 

As said I fundamentally disagree with exposting the streams mess at
the block layer.  I have no problem with setting a hint on the journal,
but I do object to exposting the streams mess even more.