Re: [PATCH] libata: Whitelist SSDs that are known to properly return zeroes after TRIM

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>>>>> "Tejun" == Tejun Heo <tj@xxxxxxxxxx> writes:

Tejun> If raid consistency truly is the only reason for this, that
Tejun> approach seems way more fruitful to me than playing this optional
Tejun> feature game with hardware vendors which so often leads to
Tejun> eventual abysmal outcomes.

The other use case is the filesystem one where it is common to zero
block ranges for bitmaps, etc. In many workloads there's is a
significant win to trimming over writing out many blocks of zeroes.

-- 
Martin K. Petersen	Oracle Linux Engineering
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