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From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: James Bottomley <James.Bottomley@hansenpartnership.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>,
	akpm@linux-foundation.org, linux-scsi@vger.kernel.org,
	stefanr@s5r6.in-berlin.de
Subject: Re: [patch 17/18] scsi: select CRC_T10DIF only when necessary
Date: Thu, 21 Aug 2008 10:49:41 -0400	[thread overview]
Message-ID: <yq1ljyqfmnu.fsf@sermon.lab.mkp.net> (raw)
In-Reply-To: <1219328396.3265.4.camel@localhost.localdomain> (James Bottomley's message of "Thu\, 21 Aug 2008 09\:19\:56 -0500")

>>>>> "James" == James Bottomley <James.Bottomley@HansenPartnership.com> writes:

James> Actually, I don't think this is right at all.

James> This is a purely cosmetic fix and the tip of the iceberg.  If
James> not compiling in the integrity code matters on grounds of
James> kernel bloat, and I think it does, then the correct fix is to
James> make sure none of it compiles into SD if BLK_DEV_INTEGRITY
James> isn't set.

The only code that currently uses the T10 CRC is in sd_dif.c.  And
that file isn't compiled in if BLK_DEV_INTEGRITY isn't set.

-- 
Martin K. Petersen	Oracle Linux Engineering


  reply	other threads:[~2008-08-21 14:50 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-20 23:55 [patch 17/18] scsi: select CRC_T10DIF only when necessary akpm
2008-08-21 14:01 ` Martin K. Petersen
2008-08-21 14:19   ` James Bottomley
2008-08-21 14:49     ` Martin K. Petersen [this message]
2008-08-21 15:07       ` James Bottomley

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