linux-kernel - Re: UBI fastmap updates

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Message-ID: <CAKYAXd-3ArdssdotKHjvUU0f+yqcFC6y2rHF-mqnJnUcP=+eOg@mail.gmail.com>
Date:	Wed, 27 Jun 2012 13:20:15 +0900
From:	Namjae Jeon <linkinjeon@...il.com>
To:	Richard Weinberger <richard@....at>
Cc:	linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org,
	adrian.hunter@...el.com, Heinz.Egger@...utronix.de,
	thomas.wucher@...utronix.de, shmulik.ladkani@...il.com,
	tglx@...utronix.de, tim.bird@...sony.com, Marius.Mazarel@...l.ro,
	artem.bityutskiy@...ux.intel.com, nyoushchenko@...sta.com
Subject: Re: UBI fastmap updates

Hi. Richard.

Would you infom me how much UBI attach time is improved with fastmap ?

Thanks.

2012/6/23, Richard Weinberger <richard@....at>:
> This is the next round of UBI fastmap updates.
>
> The highlights are:
> 	- Fastmap produces anchor PEBs if none are available
> 	  (creating a fastmap on an image created by ubinize works now)
> 	- Fastmap is now able to reuse all PEBs if no empty PEBs are available
> 	- Minor fixes
>
> If you want to test fastmap you can use my git repo:
> git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubi2.git ubi2/v13
>
> Enjoy!
> //richard
>
> [PATCH 1/7] UBI: Fastmap: Modify the WL sub-system to prodcue a free
> [PATCH 2/7] UBI: Fastmap: Fix WARN_ON()
> [PATCH 3/7] UBI: Fastmap: Ensure that not all anchor PEBs go into a
> [PATCH 4/7] UBI: Fastmap: Fix ubi_assert()
> [PATCH 5/7] UBI: Fastmap: Kill max_pnum logic
> [PATCH 6/7] UBI: Fastmap: Reuse all fastmap PEB if no free PEBs are
> [PATCH 7/7] UBI: Fastmap: Get rid of fm_pool_mutex
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