From patchwork Mon Apr 11 09:10:32 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bastian Ruppert X-Patchwork-Id: 90574 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from bombadil.infradead.org (bombadil.infradead.org [18.85.46.34]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 0CD74B6F14 for ; Mon, 11 Apr 2011 19:13:28 +1000 (EST) Received: from canuck.infradead.org ([2001:4978:20e::1]) by bombadil.infradead.org with esmtps (Exim 4.72 #1 (Red Hat Linux)) id 1Q9D9r-0004tL-Cp; Mon, 11 Apr 2011 09:11:43 +0000 Received: from localhost ([127.0.0.1] helo=canuck.infradead.org) by canuck.infradead.org with esmtp (Exim 4.72 #1 (Red Hat Linux)) id 1Q9D9p-00046I-Q4; Mon, 11 Apr 2011 09:11:41 +0000 Received: from gate.sewerin.de ([77.75.200.26] helo=sew-notes-gt.sewerin.de) by canuck.infradead.org with esmtp (Exim 4.72 #1 (Red Hat Linux)) id 1Q9D9n-00045v-Bp for linux-mtd@lists.infradead.org; Mon, 11 Apr 2011 09:11:40 +0000 Received: from localhost.localdomain ([192.168.5.249]) by sew-notes-gt.sewerin.de (Lotus Domino Release 8.5) with ESMTP id 2011041111105941-6899 ; Mon, 11 Apr 2011 11:10:59 +0200 From: Bastian Ruppert To: linux-mtd@lists.infradead.org Subject: [PATCH] UBI FAQ: add "why a dynamic volume is faster to access than a satic..." chapter. Date: Mon, 11 Apr 2011 11:10:32 +0200 Message-Id: <1302513032-3898-1-git-send-email-Bastian.Ruppert@Sewerin.de> X-Mailer: git-send-email 1.6.3.3 X-MIMETrack: Itemize by SMTP Server on SEW-KOM-GT-01/SEWERIN/DE(Release 8.5|December 05, 2008) at 11.04.2011 11:10:59, Serialize by Router on SEW-KOM-GT-01/SEWERIN/DE(Release 8.5|December 05, 2008) at 11.04.2011 11:11:03, Serialize complete at 11.04.2011 11:11:03 X-CRM114-Version: 20090807-BlameThorstenAndJenny ( TRE 0.7.6 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20110411_051139_575396_7DABDD15 X-CRM114-Status: UNSURE ( 6.20 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.0 (/) X-Spam-Report: SpamAssassin version 3.3.1 on canuck.infradead.org summary: Content analysis details: (-0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay domain Cc: Bastian Ruppert X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: linux-mtd-bounces@lists.infradead.org Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org Signed-off-by: Bastian Ruppert --- faq/ubi.xml | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/faq/ubi.xml b/faq/ubi.xml index 48629ea..4a4b3bd 100644 --- a/faq/ubi.xml +++ b/faq/ubi.xml @@ -36,6 +36,8 @@
  • How do I implement UBI flasher?
  • What does the "ubi_bgt0d" thread do?
  • How do I speed up UBI initialization
  • +
  • Why a dynamic volume is faster to access than a static volume of the +same size?
  • How do I debug UBI?
  • @@ -704,6 +706,13 @@ can do about it but without re-designing. Here are some ideas

    here. Indeed, it is easier to solve one problem at a time. +

    Why a dynamic volume is faster to +access than a static volume of the same size?

    + + +

    A static UBI volume is designed to store short blobs of data like a +configuration file. UBI holds a CRC of the hole static volume, so it +needs more time to mount a static volume than a dynamic one.

    How do I debug UBI?