From: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
To: Richard Weinberger <richard@nod.at>, dedekind1@gmail.com
Cc: dwmw2@infradead.org, computersforpeace@gmail.com,
linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org,
hch@infradead.org, axboe@fb.com, tom.leiming@gmail.com
Subject: Re: [PATCH 2/2 v2] UBI: Block: Add blk-mq support
Date: Tue, 27 Jan 2015 20:37:49 -0300 [thread overview]
Message-ID: <54C8214D.1010404@vanguardiasur.com.ar> (raw)
In-Reply-To: <1420926734-16417-2-git-send-email-richard@nod.at>
On 01/10/2015 06:52 PM, Richard Weinberger wrote:
> Convert the driver to blk-mq.
> Beside of moving to the modern block interface this change boosts
> also the performance of the driver.
>
> nand: device found, Manufacturer ID: 0x2c, Chip ID: 0xda
> nand: Micron NAND 256MiB 3,3V 8-bit
> nand: 256MiB, SLC, page size: 2048, OOB size: 64
>
> root@debian-armhf:~# dd if=/dev/ubiblock0_0 of=/dev/zero bs=1M
> 243+1 records in
> 243+1 records out
> 255080448 bytes (255 MB) copied, 4.39295 s, 58.1 MB/s
>
> vs.
>
> root@debian-armhf:~# dd if=/dev/ubiblock0_0 of=/dev/zero bs=1M
> 243+1 records in
> 243+1 records out
> 255080448 bytes (255 MB) copied, 2.87676 s, 88.7 MB/s
>
> Cc: hch@infradead.org
> Cc: axboe@fb.com
> Cc: tom.leiming@gmail.com
> Signed-off-by: Richard Weinberger <richard@nod.at>
> Tested-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Acked-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
And thanks a lot for the good work!
--
Ezequiel Garcia, VanguardiaSur
www.vanguardiasur.com.ar
next prev parent reply other threads:[~2015-01-27 23:40 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-10 21:52 [PATCH 1/2 v2] UBI: Add initial support for scatter gather Richard Weinberger
2015-01-10 21:52 ` [PATCH 2/2 v2] UBI: Block: Add blk-mq support Richard Weinberger
2015-01-13 16:25 ` Christoph Hellwig
2015-01-13 22:51 ` Richard Weinberger
2015-01-13 22:54 ` Jens Axboe
2015-01-13 23:17 ` Richard Weinberger
2015-01-13 23:30 ` Jens Axboe
2015-01-13 23:36 ` Richard Weinberger
2015-01-14 0:23 ` Jens Axboe
2015-01-14 8:39 ` Richard Weinberger
2015-01-26 23:55 ` Richard Weinberger
2015-01-27 4:03 ` Jens Axboe
2015-01-27 23:37 ` Ezequiel Garcia [this message]
2015-01-26 23:53 ` [PATCH 1/2 v2] UBI: Add initial support for scatter gather Richard Weinberger
2015-01-27 23:36 ` Ezequiel Garcia
2015-01-27 23:46 ` Richard Weinberger
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