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    SubjectRe: Discard support
    On 08/16/2009 05:50 PM, Roland Dreier wrote:
    >
    > > Well, yes and no ... a lot of SSDs don't actually implement NCQ, so the
    > > impact to them will be less ... although I think enterprise class SSDs
    > > do implement NCQ.
    >
    > Really? Which SSDs don't implement NCQ?

    ata3: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
    ata3.00: ATA-8: G.SKILL 128GB SSD, 02.10104, max UDMA/100
    ata3.00: 250445824 sectors, multi 0: LBA
    ata3.00: configured for UDMA/100

    for one...



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