From: Christoph Hellwig <hch@infradead.org>
To: Pawel Wodkowski <pawelx.wodkowski@intel.com>
Cc: linux-block@vger.kernel.org,
Mateusz Nowak <mateusz.nowak@intel.com>,
linux-mmc@vger.kernel.org
Subject: Re: [PATCH 0/2] mmc, block: override default max_dev_sectors
Date: Wed, 2 Mar 2016 09:12:28 -0800 [thread overview]
Message-ID: <20160302171227.GA5229@infradead.org> (raw)
In-Reply-To: <cover.1456847028.git.pawelx.wodkowski@intel.com>
On Wed, Mar 02, 2016 at 09:54:15AM +0100, Pawel Wodkowski wrote:
> From: Mateusz Nowak <mateusz.nowak@intel.com>
>
> commit ca369d51b3e1 ("block/sd: Fix device-imposed transfer length limits")
> introduced max_dev_sectors as upper limit for max_hw_sectors. This caused
> limitation of maximum block size to default max_dev_sectors value - 127,
> causing performance degradation with higher block sizes.
>
> This patchset is allowing mmc driver to override max_dev_sectors value.
Past commit 5f009d ("block: Initialize max_dev_sectors to 0"), this
should not be needed.
next prev parent reply other threads:[~2016-03-02 17:12 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-02 8:54 [PATCH 0/2] mmc, block: override default max_dev_sectors Pawel Wodkowski
2016-03-02 8:55 ` [PATCH 1/2] block: Allow to set max_dev_sectors for a queue Pawel Wodkowski
2016-03-02 8:55 ` [PATCH 2/2] mmc/block: Override default max_dev_sectors Pawel Wodkowski
2016-03-02 17:12 ` Christoph Hellwig [this message]
2016-03-04 10:49 ` [PATCH 0/2] mmc, block: override " Nowak, Mateusz
2016-03-05 21:58 ` Martin K. Petersen
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