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SubjectRe: [PATCH 00/14] target: Initial support for DIF Type1+Type3 emulation
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>>>>> "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.

--
Martin K. Petersen Oracle Linux Engineering


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