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Re: tools support for non-512 byte sector sizes

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From: Martin K. Petersen <martin.petersen@...>
To: Matthew Wilcox <matthew@...>
Cc: Ric Wheeler <rwheeler@...>, <linux-scsi@...>, <linux-ide@...>, Jim Meyering <jim@...>, <linux-kernel@...>, Jeff Garzik <jeff@...>, Matt Domsch <Matt_Domsch@...>
Subject: Re: tools support for non-512 byte sector sizes
Date: Tuesday, July 29, 2008 - 2:41 pm

>>>>> "Matthew" == Matthew Wilcox <matthew@wil.cx> writes:

Matthew> I'll admit to having not tested it with anything other than
Matthew> 512, but it ought to support 4096 byte sectors just fine.  I
Matthew> haven't looked at what would be required to support 520-byte
Matthew> sectors.

I recently added multiple sector support to scsi_debug.  On a recent
kernel you can modprobe scsi_debug sector_size=4096.

I have only tested 4KB but it also supports 1 and 2KB.

-- 
Martin K. Petersen	Oracle Linux Engineering

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Messages in current thread:
Re: tools support for non-512 byte sector sizes, Matthew Wilcox, (Tue Jul 29, 2:26 pm)
Re: tools support for non-512 byte sector sizes, Jeff Garzik, (Tue Jul 29, 5:54 pm)
Re: tools support for non-512 byte sector sizes, Martin K. Petersen, (Tue Jul 29, 2:41 pm)
Re: tools support for non-512 byte sector sizes, James Bottomley, (Tue Jul 29, 2:37 pm)
Re: tools support for non-512 byte sector sizes, Vladislav Bolkhovitin, (Wed Jul 30, 1:51 am)
Re: tools support for non-512 byte sector sizes, Martin K. Petersen, (Tue Jul 29, 2:48 pm)
Re: tools support for non-512 byte sector sizes, Matt Domsch, (Wed Jul 30, 9:51 am)
Re: tools support for non-512 byte sector sizes, Matthew Wilcox, (Fri Aug 1, 12:11 pm)
Re: tools support for non-512 byte sector sizes, Matt Domsch, (Tue Aug 5, 12:57 pm)
Re: tools support for non-512 byte sector sizes, Matthew Wilcox, (Tue Aug 5, 12:54 pm)
Re: tools support for non-512 byte sector sizes, Matthew Wilcox, (Tue Aug 5, 12:57 pm)
Re: tools support for non-512 byte sector sizes, Jim Meyering, (Wed Jul 30, 1:16 pm)
Re: tools support for non-512 byte sector sizes, Matt Domsch, (Wed Jul 30, 1:29 pm)
Re: tools support for non-512 byte sector sizes, Pavel Machek, (Sat Aug 9, 9:21 am)
Re: tools support for non-512 byte sector sizes, Theodore Tso, (Wed Jul 30, 2:13 pm)
Re: tools support for non-512 byte sector sizes, Ric Wheeler, (Wed Jul 30, 2:28 pm)
Re: tools support for non-512 byte sector sizes, Theodore Tso, (Wed Jul 30, 2:45 pm)
Re: tools support for non-512 byte sector sizes, Alan Cox, (Wed Jul 30, 1:24 pm)
Re: tools support for non-512 byte sector sizes, Ric Wheeler, (Tue Jul 29, 2:54 pm)
Re: tools support for non-512 byte sector sizes, James Bottomley, (Tue Jul 29, 2:56 pm)
Re: tools support for non-512 byte sector sizes, FUJITA Tomonori, (Tue Jul 29, 7:41 pm)
Re: tools support for non-512 byte sector sizes, Matthew Wilcox, (Tue Jul 29, 2:42 pm)
Re: tools support for non-512 byte sector sizes, James Bottomley, (Tue Jul 29, 2:44 pm)
Re: tools support for non-512 byte sector sizes, Matthew Wilcox, (Tue Jul 29, 2:50 pm)
Re: tools support for non-512 byte sector sizes, James Bottomley, (Tue Jul 29, 3:00 pm)