1. 区别 raw flash devices: NAND, NOR, OneNAND, etc,其被作为MTD设备处理(既不是字符设备,也不是块设备). FTL device:Flash Translation layer device, MMC, eMMC, SD,不仅包含flash,还包含控制器,其被作为块设备处理. FTL stands for "Flash Translation Layer" and it is software which emulates a block…
参考:http://www.linux-mtd.infradead.org/doc/ubifs.html#L_raw_vs_ftl UBIFS - UBI File-System Table of contents Big red note Overview Power-cuts tolerance UBIFS and MLC NAND flash The unstable bits issue Source code Mailing list User-space tools Scalabil…
转:http://blog.csdn.net/kickxxx/article/details/6583463 目录(?)[-] Big red note Overview Scalabity Write-back support Write-back knobs in Linux UBIFS write-buffer UBIFS in synchronous mode vs JFFS2 Synchronization exceptions for buggy applications Compr…
转:http://www.linux-mtd.infradead.org/faq/general.html#L_mtd_what Note, you can find Ukranian translation of this page by Alyona Lompar (alyona.lompar@consultant.com) here. We have not assessed the contents, though. Table of contents Is an MTD device…
参考:http://www.linux-mtd.infradead.org/doc/ubi.html UBI - Unsorted Block Images Table of contents Big red note Overview Source code Mailing list User-space tools UBI headers UBI volume table Implementation details Minimum flash input/output unit NAND…
转:http://blog.csdn.net/kickxxx/article/details/6707589 目录 Table of contents Big red note User-space tools UBI headers UBI volume table Implementation details Minimum flash inputoutput unit NAND flash sub-pages Flash space overhead Saving erase counte…
转:http://www.linux-mtd.infradead.org/faq/ubifs.html UBIFS FAQ and HOWTO Table of contents How do I enable UBIFS? How do I mount UBIFS? How do I create an UBIFS image? May an empty UBI volume be mounted? What is the purpose of -c (--max-leb-cnt) mkfs.…
http://daemons.net/linux/storage/mtd.html MTD The Memory Technology Devices (MTD) subsystem provides a common interface to many types of raw flashstorage devices. It includes facilities for partioning flash, erasing flash, and managing bad blocks. De…
Android devices have a couple of partitions to store different data. The common ones are the recovery, boot, system, data and cache partitions. Almost every device has it’s own unique layout even though they come from the same manufacturer. I have se…
参考:http://processors.wiki.ti.com/index.php/UBIFS_Support#Creating_UBIFS_file_system UBIFS UBIFS may be considered as the next generation of the JFFS2 file-system. JFFS2 file system works on top of MTD devices, but UBIFS works on top of UBI volumes an…