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Ext4 filesystem hits Android, no need to fear data loss (ars technica)Ext4 filesystem hits Android, no need to fear data loss (ars technica)Posted Dec 28, 2010 12:28 UTC (Tue) by Cyberax (✭ supporter ✭, #52523)In reply to: Ext4 filesystem hits Android, no need to fear data loss (ars technica) by mikov Parent article: Ext4 filesystem hits Android, no need to fear data loss (ars technica)
>There is no wear leveling in hardware. There will have to be a separate controller with plenty of RAM and a fast CPU.
There IS a specialized controller. However, it doesn't need a lot of RAM and a fast CPU, because it can offload some of the tasks on the main CPU.
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Ext4 filesystem hits Android, no need to fear data loss (ars technica) Posted Dec 28, 2010 17:38 UTC (Tue) by mikov (subscriber, #33179) [Link]
Which tasks? It is presented as ATA interface, so AFAIK it can't offload anything.
Ext4 filesystem hits Android, no need to fear data loss (ars technica) Posted Dec 29, 2010 0:18 UTC (Wed) by swetland (subscriber, #63414) [Link]
Well, looks like an SD/MMC device in the case of most devices we're working with, but yeah, no magical offload of the work to the host CPU. Looks like a block device. Behaves (mostly) like a block device. Probably supports TRIM. Etc.
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