Ext4 filesystem hits Android, no need to fear data loss (ars technica)

Ars technica reports that Google's new Nexus S smartphone will be the first Android device to use the Ext4 filesystem. "Most Android devices currently use YAFFS, a lightweight filesystem that is optimized for flash storage and is commonly used in mobile and embedded devices. The problem with YAFFS, [Ted] T'so explained in his blog entry, is that it is single-threaded and would likely "have been a bottleneck on dual-core systems." Concurrency will be important on next-generation Android devices that use multi-core ARM processors. We expect to see dual-core Android devices, including tablets, announced as early as CES."

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