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TRIM?TRIM?Posted Dec 12, 2012 13:32 UTC (Wed) by yann.morin.1998 (subscriber, #54333)In reply to: TRIM? by neilbrown Parent article: JFFS2, UBIFS, and the growth of flash storage
> When you read from a region that was TRIMed the result is either undefined or all-zeros, whereas when you read from a region that was mtd_erase()d, the result is all-ones.
> So it wouldn't really be useful to make mtd_erase() to TRIM. They do seem similar but they have quite different semantics.
What about combining your catch-erased-sections-and-return-0xFF with TRIMing the underlying storage (if it supports TRIMing)?
Regards,
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