Messages in this thread | | | Date | Thu, 16 Jan 2014 09:45:48 +0200 | From | sagi grimberg <> | Subject | Re: [PATCH 00/14] target: Initial support for DIF Type1+Type3 emulation |
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On 1/16/2014 3:42 AM, Martin K. Petersen wrote: >>>>>> "nab" == Nicholas A Bellinger <nab@linux-iscsi.org> writes: > nab> The issue is that existing fs/bio-integrity.c code always assumes > nab> client/initiator mode, in that it will attempt to > nab> bio_integrity_generate() protection information in the submit_bio > nab> WRITE path, and bio_integrity_verify() of protection information in > nab> the bio_endio READ completion path. > > Only if the submit_bio() caller hasn't attached protection information > already. If you submit a bio with a bip already attached the block layer > will not generate/verify. >
Yes, that was my understanding as well.
Thanks Martin,
Sagi.
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