Hi, I have couple of doubts regarding jffs2 filesystem. 1. I've found instances of writing mtd partitions with dd (like dd if=rootfs.jffs2 of=/dev/mtd...) and another method is to use flash_erase /dev/mtd.. and then copying rootfs.jffs2 to /dev/mtd.. using cp command followed by sync. What is the difference between these two?. 2. How jffs2 works? I mean if my root partition is jffs2, if I access some files, is it accessed real-time from the flash device? OR Does the kernel uncompress the jffs2 partition and stores it in memory during boot and access it from there when a read request comes? TIA, Arun |
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