Re: [PATCH] libata: Prepare for hard drives w/ non-512 sector sizes

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On Wed, Apr 08, 2009 at 02:59:55AM -0400, Jeff Garzik wrote:
> I checked this into libata-dev.git#sectsize and #NEXT...  comments
> welcome.  It's willy's patch, cut down such that it introduces no
> major behavior changes [READ CAPACITY improves slightly].

Umm.  If you wanted me to split the patch up, why didn't you ask?

I really do think I should be credited as 'Author' here.  You credit me
in the patch description, but the automated tools don't show that.

> @@ -2354,10 +2355,25 @@ saving_not_supp:
>   */
>  static unsigned int ata_scsiop_read_cap(struct ata_scsi_args *args, u8 *rbuf)
>  {
> -	u64 last_lba = args->dev->n_sectors - 1; /* LBA of the last block */
> +	struct ata_device *dev = args->dev;
> +	u64 last_lba = dev->n_sectors - 1; /* LBA of the last block */
> +	u32 sector_size;
> +	u8 log_per_phys = 1;

This was a bug I had fixed, but possibly not sent out.  It should be 0,
not 1 (it's the power of 2, not the raw count).

-- 
Matthew Wilcox				Intel Open Source Technology Centre
"Bill, look, we understand that you're interested in selling us this
operating system, but compare it to ours.  We can't possibly take such
a retrograde step."
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