From: Matthew Wilcox <matthew@wil.cx>
To: Pierre Ossman <drzeus-list@drzeus.cx>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>,
Simon Arlott <simon@fire.lp0.eu>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-scsi <linux-scsi@vger.kernel.org>
Subject: Re: [PATCH] scsi/sd: Fix size output in MB
Date: Sat, 30 Aug 2008 16:36:00 -0600 [thread overview]
Message-ID: <20080830223600.GF1239@parisc-linux.org> (raw)
In-Reply-To: <20080831001314.694df795@mjolnir.drzeus.cx>
On Sun, Aug 31, 2008 at 12:13:14AM +0200, Pierre Ossman wrote:
> On Sat, 30 Aug 2008 16:45:49 -0500
> James Bottomley <James.Bottomley@HansenPartnership.com> wrote:
> > Does MMC have the 10^3 requirement like SCSI/ATA disks do, or can you
> > use 2^10 like standard computer stuff for capacities?
>
> Some do, some don't. I prefer the 2^10 and MiB variants as it avoids
> ambiguity.
I think the most compelling reason for ensuring they're the same is
that you can plug these devices into both an MMC slot directly and a
card-reader and have them show up over USB. You don't want the reported
capacity to change when you do that.
--
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."
next prev parent reply other threads:[~2008-08-30 22:36 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-30 14:08 [PATCH] scsi/sd: Fix size output in MB Simon Arlott
2008-08-30 17:24 ` James Bottomley
2008-08-30 17:45 ` Matthew Wilcox
2008-08-30 20:59 ` Pierre Ossman
2008-08-30 21:45 ` James Bottomley
2008-08-30 22:13 ` Pierre Ossman
2008-08-30 22:24 ` Simon Arlott
2008-08-30 22:36 ` Matthew Wilcox [this message]
2008-08-30 21:02 ` Simon Arlott
2008-08-30 21:03 ` [PATCH] scsi/sd: Fix capacity output to show MB/GB/TB/ Simon Arlott
2008-08-31 1:59 ` James Bottomley
2008-08-31 2:54 ` Matthew Wilcox
2008-08-31 14:25 ` Ingo Oeser
2008-08-31 15:04 ` Simon Arlott
2008-08-31 15:08 ` James Bottomley
2008-08-31 15:13 ` [PATCH 1/2] lib: add generic helper to print sizes rounded to the correct SI range James Bottomley
2008-08-31 15:20 ` Simon Arlott
2008-08-31 15:41 ` James Bottomley
2008-08-31 15:51 ` Matthew Wilcox
2008-08-31 18:54 ` [PATCH] mmc_block: use generic helper to print capacities Pierre Ossman
2008-09-05 20:09 ` James Bottomley
2008-09-05 20:52 ` Pierre Ossman
2008-09-05 21:03 ` James Bottomley
2008-09-06 8:57 ` Pierre Ossman
2008-09-03 3:39 ` [PATCH 1/2] lib: add generic helper to print sizes rounded to the correct SI range Andrew Morton
2008-09-03 14:32 ` James Bottomley
2008-09-03 15:58 ` Andrew Morton
2008-08-31 15:15 ` [PATCH 2/2] sd: use generic helper to print capacities in both binary and SI James Bottomley
2008-08-31 15:08 ` [PATCH] scsi/sd: Fix capacity output to show MB/GB/TB/ Simon Arlott
2008-08-30 21:57 ` [PATCH] scsi/sd: Fix size output in MB Matthew Wilcox
2008-08-30 22:22 ` Simon Arlott
2008-08-31 12:27 ` James Smart
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