From: Kyungmin Park <kmpark@infradead.org>
To: CE Linux Developers List <celinux-dev@tree.celinuxforum.org>,
linux-embedded <linux-embedded@vger.kernel.org>
Cc: Tim Bird <tim.bird@am.sony.com>
Subject: Re: CELF Project proposal: UBIFS mount-time speedups
Date: Sun, 20 Dec 2009 14:46:08 +0900 [thread overview]
Message-ID: <9c9fda240912192146u7e815d80o6915db5506336ba0@mail.gmail.com> (raw)
In-Reply-To: <4B26ECBD.9030005@am.sony.com>
Summary: UBI block mapping on flash (UBI2 requirement)
Proposer: Kyungmin Park
Description: UBI scans all physical block at boot time. and maintain it at RAM.
Usually this scan time takes almost 2 or more seconds. To reduce the this time
UBI maintain block mapping information on flash and use it at next boot time.
Also it have to support or provide rescan mechanism at runtime to use
single image into another flash
* UBI2
** see portions of
http://www.mjmwired.net/kernel/Documentation/filesystems/ubifs.txt
Scope: This project might take about 2 months.
next prev parent reply other threads:[~2009-12-20 5:46 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-15 1:56 CELF Project proposal: UBIFS mount-time speedups Tim Bird
2009-12-20 5:46 ` Kyungmin Park [this message]
2009-12-22 1:40 ` Tim Bird
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