Re: UBI: Add support for scatter gather and blk-mq

From: Ezequiel Garcia
Date: Mon Dec 15 2014 - 11:00:41 EST

On 12/14/2014 07:26 PM, Richard Weinberger wrote:
> Am 14.12.2014 um 13:43 schrieb Ezequiel Garcia:
>> Hey Richard,
>> On 11/24/2014 01:04 PM, Richard Weinberger wrote:
>>> This two patches implement blk-mq support for the UBI block driver.
>>> As the scatter gather part is rather generic I've moved it directl
>>> into UBI such that it can be reused later.
>>> So far only reading data into a scatter gather list is possible.
>>> After implementing ubi_eba_read_leb_sg() we could slowly start
>>> removing a bunch of vmalloc() from the UBI core code and use scatter gather.
>>> This should lower the memory footprint of UBI.
>>> [PATCH 1/2] UBI: Add initial support for scatter gather
>>> [PATCH 2/2] UBI: Block: Add blk-mq support
>> Tried to apply these to take a look and run some tests, but 2/2 got
>> rejected. Which tag did you base them?
> As discussed on IRC, blk-mq saw an update in -next.
> The interface as changed bit, I've adopted my patches and pushed them to:
> git:// ubiblock-mq
> This tree is linux-ubifs.git plus linux-block.git for-next.


> I'll resend this updated patches after the merge window has closed.
> Happy testing. :-)

Thanks for the update :)
Ezequiel Garcia, VanguardiaSur
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