Re: [PATCH 2/6] libata: Report supported TRIM payload size

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On Thu, Aug 19, 2010 at 11:48:57AM -0400, Martin K. Petersen wrote:
> ATA IDENTIFY DEVICE word 105 contains the number of 512-byte blocks of
> TRIM payload information the device can accept in one command.  Use this
> value to enable payloads > 512 bytes.

Currently ata_scsi_write_same_xlat passes uses a constant 512 for the
payload all over the place, so the larger payloads won't actually work yet.

I don't think advertising a larger size than we actually support is a
good idea.

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