Re: [PATCH 2/2 v2] UBI: Block: Add blk-mq support

From: Ezequiel Garcia
Date: Tue Jan 27 2015 - 18:40:07 EST


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@xxxxxxxxxxxxx
> Cc: axboe@xxxxxx
> Cc: tom.leiming@xxxxxxxxx
> Signed-off-by: Richard Weinberger <richard@xxxxxx>
> Tested-by: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxxxxxxxxx>

Acked-by: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxxxxxxxxx>

And thanks a lot for the good work!

--
Ezequiel Garcia, VanguardiaSur
www.vanguardiasur.com.ar
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