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Go Back   Linux Archive > Redhat > Device-mapper Development

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Old 03-11-2011, 04:11 PM
"Martin K. Petersen"
Default block: Require subsystems to explicitly allocate bio_set integrity mempool

>>>>> "Mike" == Mike Snitzer <snitzer@redhat.com> writes:

>> Yeah, that'll come as part of my DIX1.1 patch set.

Mike> Seems my concern should be fixed independent of a larger update
Mike> patchset. Unless DIX isn't meaningful for "stable" kernels
Mike> without your full DIX1.1 update?

Well, I'm not aware of any shipping non-512 byte block DIF devices other
than scsi_debug.

And it's not good enough to just fix it in DM since this is a hardware
parameter that needs to be queried and bubbled up. It can't be scaled
like the rest of the topology block sizes, it's wired in the
hardware. So I just don't see much point in trying to fix it now when
any ties to the logical block size will be severed in my impending patch

Martin K. Petersen Oracle Linux Engineering

dm-devel mailing list

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